refactoring / image array / adapters

2026-01-23 17:28:21 +00:00 · 2026-01-23 17:28:21 +00:00 · 4487709bf2
commit 4487709bf2
parent c46871f99f
53 changed files with 1760 additions and 567 deletions
--- a/adapters/requests/dealCreate.adapter.js
+++ b/adapters/requests/dealCreate.adapter.js
@ -6,16 +6,16 @@ function mapCreateDealRequestToDealCreateData(
    title: data.title,
    description: data.description ?? null,
    url: data.url ?? null,
-    price: data.price ?? null,
+    price: Number(data.price) ?? null,

    // 🔑 adapter burada seller’ı “custom” gibi yazar
    // service bunu düzeltecek
-    customCompany: data.sellerName,
+    customSeller: data.sellerName,

    user: {
      connect: { id: userId },
    },
-
+/*
    images: data.images?.length
      ? {
          create: data.images.map((imgUrl, index) => ({
@ -24,9 +24,10 @@ function mapCreateDealRequestToDealCreateData(
          })),
        }
      : undefined,
-  }
-}
+  */

+}
+}
 module.exports = {
  mapCreateDealRequestToDealCreateData,
 }
--- a/adapters/responses/comment.adapter.js
+++ b/adapters/responses/comment.adapter.js
@ -0,0 +1,30 @@
+function mapCommentToDealCommentResponse(comment) {
+  return {
+    id: comment.id,
+    text: comment.text, // eğer DB'de content ise burada text'e çevir
+    createdAt: comment.createdAt,
+    user: {
+      id: comment.user.id,
+      username: comment.user.username,
+      avatarUrl: comment.user.avatarUrl ?? null,
+    },
+  }
+}
+
+function mapCommentsToDealCommentResponse(comments) {
+  return comments.map(mapCommentToDealCommentResponse)
+}
+
+
+function mapCommentToUserCommentResponse(c) {
+  return {
+    ...mapCommentToDealCommentResponse(c),
+    deal: { id: c.deal.id, title: c.deal.title },
+  }
+}
+
+module.exports = {
+  mapCommentToDealCommentResponse,
+  mapCommentsToDealCommentResponse,
+  mapCommentToUserCommentResponse
+}
--- a/adapters/responses/dealCard.adapter.js
+++ b/adapters/responses/dealCard.adapter.js
@ -6,12 +6,14 @@ function mapDealToDealCardResponse(deal) {
    price: deal.price ?? null,

    score: deal.score,
-    commentsCount: deal._count?.comments ?? 0,
+    commentsCount: deal.commentCount,

    status: deal.status,
    saleType: deal.saletype,
    affiliateType: deal.affiliateType,

+    myVote:deal.myVote,
+
    createdAt: deal.createdAt,
    updatedAt: deal.updatedAt,

@ -21,14 +23,21 @@ function mapDealToDealCardResponse(deal) {
      avatarUrl: deal.user.avatarUrl ?? null,
    },

-    seller: deal.company
-      ? { name: deal.company.name,
-          url:deal.company.url
+    seller: deal.seller
+      ? { name: deal.seller.name,
+          url:deal.seller.url
       }
-      : { name: deal.customCompany || "" },
+      : { name: deal.customSeller || "" },
       
    imageUrl: deal.images?.[0]?.imageUrl || "",
  }
 }

-module.exports = { mapDealToDealCardResponse }
+function mapPaginatedDealsToDealCardResponse(paginated) {
+  return {
+    ...paginated,
+    results: paginated.results.map(mapDealToDealCardResponse),
+  }
+}
+
+module.exports = { mapDealToDealCardResponse,mapPaginatedDealsToDealCardResponse }
--- a/adapters/responses/dealDetail.adapter.js
+++ b/adapters/responses/dealDetail.adapter.js
@ -22,9 +22,9 @@ function mapDealToDealDetailResponse(deal) {
      avatarUrl: deal.user.avatarUrl ?? null,
    },

-    seller: deal.company
-      ? { id: deal.company.id, name: deal.company.name }
-      : { name: deal.customCompany || "Bilinmiyor" },
+    seller: deal.seller
+      ? { id: deal.seller.id, name: deal.seller.name }
+      : { name: deal.customSeller || "Bilinmiyor" },

    images: deal.images.map((img) => ({
      id: img.id,
--- a/adapters/responses/login.adapter.js
+++ b/adapters/responses/login.adapter.js
@ -0,0 +1,26 @@
+// adapters/login.adapter.js
+
+function mapLoginRequestToLoginInput(body) {
+  return {
+    email: (body?.email || "").trim().toLowerCase(),
+    password: body?.password || "",
+  };
+}
+
+function mapLoginResultToResponse(result) {
+  // result: { token, user }
+  return {
+    token: result.token,
+    user: {
+      id: result.user.id,
+      username: result.user.username,
+      email: result.user.email,
+      avatarUrl: result.user.avatarUrl ?? null,
+    },
+  };
+}
+
+module.exports = {
+  mapLoginRequestToLoginInput,
+  mapLoginResultToResponse,
+};
--- a/adapters/responses/me.adapter.js
+++ b/adapters/responses/me.adapter.js
@ -0,0 +1,18 @@
+function mapMeRequestToUserId(req) {
+  // authMiddleware -> req.user.userId
+  return req.user.userId;
+}
+
+function mapMeResultToResponse(user) {
+  return {
+    id: user.id,
+    username: user.username,
+    email: user.email,
+    avatarUrl: user.avatarUrl ?? null,
+  };
+}
+
+module.exports = {
+  mapMeRequestToUserId,
+  mapMeResultToResponse,
+};
--- a/adapters/responses/publicUser.adapter.js
+++ b/adapters/responses/publicUser.adapter.js
@ -0,0 +1,22 @@
+// adapters/responses/publicUser.adapter.js
+function mapUserToPublicUserSummaryResponse(user) {
+  return {
+    id: user.id,
+    username: user.username,
+    avatarUrl: user.avatarUrl ?? null,
+  }
+}
+
+function mapUserToPublicUserDetailsResponse(user) {
+  return {
+    id: user.id,
+    username: user.username,
+    avatarUrl: user.avatarUrl ?? null,
+    createdAt: user.createdAt, // ISO string olmalı
+  }
+}
+
+module.exports = {
+  mapUserToPublicUserSummaryResponse,
+  mapUserToPublicUserDetailsResponse,
+}
--- a/adapters/responses/register.adapter.js
+++ b/adapters/responses/register.adapter.js
@ -0,0 +1,19 @@
+function mapRegisterRequestToRegisterInput(body) {
+  return {
+    username: (body?.username || "").trim(),
+    email: (body?.email || "").trim().toLowerCase(),
+    password: body?.password || "",
+  };
+}
+
+function mapRegisterResultToResponse(result) {
+  return {
+    token: result.token,
+    user: result.user,
+  };
+}
+
+module.exports = {
+  mapRegisterRequestToRegisterInput,
+  mapRegisterResultToResponse,
+};
--- a/adapters/responses/userComment.adapter.js
+++ b/adapters/responses/userComment.adapter.js
--- a/adapters/responses/userProfile.adapter.js
+++ b/adapters/responses/userProfile.adapter.js
@ -0,0 +1,16 @@
+// adapters/responses/userProfile.adapter.js
+const dealCardAdapter = require("./dealCard.adapter")
+const dealCommentAdapter = require("./comment.adapter")
+const publicUserAdapter = require("./publicUser.adapter") // yoksa yaz
+const userProfileStatsAdapter = require("./userProfileStats.adapter")
+
+function mapUserProfileToResponse({ user, deals, comments, stats }) {
+  return {
+    user: publicUserAdapter.mapUserToPublicUserDetailsResponse(user),
+    stats: userProfileStatsAdapter.mapUserProfileStatsToResponse(stats),
+    deals: deals.map(dealCardAdapter.mapDealToDealCardResponse),
+    comments: comments.map(dealCommentAdapter.mapCommentToUserCommentResponse),
+  }
+}
+
+module.exports = { mapUserProfileToResponse }
--- a/adapters/responses/userProfileStats.adapter.js
+++ b/adapters/responses/userProfileStats.adapter.js
@ -0,0 +1,12 @@
+function mapUserProfileStatsToResponse(stats) {
+  return {
+    totalLikes: stats?.totalLikes ?? 0,
+    totalShares: stats?.totalShares ?? 0,
+    totalComments: stats?.totalComments ?? 0,
+    totalDeals: stats?.totalDeals ?? 0,
+  }
+}
+
+module.exports = {
+  mapUserProfileStatsToResponse,
+}
--- a/adapters/responses/vote.adapter.js
+++ b/adapters/responses/vote.adapter.js
@ -0,0 +1,32 @@
+const { z } = require("zod");
+
+const VoteBodySchema = z.object({
+  dealId: z.coerce.number().int().positive(),
+  voteType: z.coerce
+    .number()
+    .int()
+    .refine((v) => v === 1 || v === 0 || v === -1, {
+      message: "voteType 1, 0 veya -1 olmalı",
+    }),
+});
+
+function mapVoteRequestToVoteInput(req) {
+  const parsed = VoteBodySchema.safeParse(req.body);
+  if (!parsed.success) {
+    const err = new Error(parsed.error.issues?.[0]?.message || "Geçersiz istek");
+    err.statusCode = 400;
+    err.details = parsed.error.flatten();
+    throw err;
+  }
+
+  const userIdRaw = req.user?.userId;
+  const userId = Number(userIdRaw);
+
+  return {
+    userId,
+    dealId: parsed.data.dealId,
+    voteType: parsed.data.voteType, // 1 | 0 | -1
+  };
+}
+
+module.exports = { mapVoteRequestToVoteInput, VoteBodySchema };
--- a/db/auth.db.js
+++ b/db/auth.db.js
@ -0,0 +1,27 @@
+
+const prisma = require("./client");
+
+async function findUserByEmail(email, options = {}) {
+  return prisma.user.findUnique({
+    where: { email },
+    include: options.include || undefined,
+    select: options.select || undefined,
+  });
+}
+async function createUser(data) {
+  return prisma.user.create({ data });
+}
+
+async function findUserById(id, options = {}) {
+  return prisma.user.findUnique({
+    where: { id },
+    select: options.select || undefined,
+    include: options.include || undefined,
+  });
+}
+
+module.exports = {
+  findUserByEmail,
+  createUser,
+  findUserById,
+};
--- a/db/comment.db.js
+++ b/db/comment.db.js
@ -1,5 +1,9 @@
 const prisma = require("./client")

+function getDb(db) {
+  return db || prisma
+}
+
 async function findComments(where, options = {}) {
  return prisma.comment.findMany({
    where,
@ -9,8 +13,9 @@ async function findComments(where, options = {}) {
  })
 }

-async function createComment(data, options = {}) {
-  return prisma.comment.create({
+async function createComment(data, options = {}, db) {
+  const p = getDb(db)
+  return p.comment.create({
    data,
    include: options.include || undefined,
    select: options.select || undefined,
@ -20,9 +25,15 @@ async function createComment(data, options = {}) {
 async function deleteComment(where) {
  return prisma.comment.delete({ where })
 }
+async function countComments(where = {}, db) {
+  const p = getDb(db)
+  return p.comment.count({ where })
+}
+

 module.exports = {
  findComments,
+  countComments,
  createComment,
  deleteComment,
 }
--- a/db/deal.db.js
+++ b/db/deal.db.js
@ -1,5 +1,9 @@
 const prisma = require("./client")

+function getDb(db) {
+  return db || prisma
+}
+
 async function findDeals(where = {}, options = {}) {
  return prisma.deal.findMany({
    where,
@ -11,14 +15,16 @@ async function findDeals(where = {}, options = {}) {
  })
 }

-async function findDeal(where, options = {}) {
-  return prisma.deal.findUnique({
+async function findDeal(where, options = {}, db) {
+  const p = getDb(db)
+  return p.deal.findUnique({
    where,
    include: options.include || undefined,
    select: options.select || undefined,
  })
 }

+
 async function createDeal(data, options = {}) {
  return prisma.deal.create({
    data,
@ -27,8 +33,9 @@ async function createDeal(data, options = {}) {
  })
 }

-async function updateDeal(where, data, options = {}) {
-  return prisma.deal.update({
+async function updateDeal(where, data, options = {}, db) {
+  const p = getDb(db)
+  return p.deal.update({
    where,
    data,
    include: options.include || undefined,
@ -68,9 +75,28 @@ async function updateVote(where, data, options = {}) {
 async function countVotes(where = {}) {
  return prisma.dealVote.count({ where })
 }
+async function getDealWithImages(dealId) {
+  return prisma.deal.findUnique({
+    where: { id: dealId },
+    include: { images: { orderBy: { order: "asc" } } },
+  });
+}
+
+async function aggregateDeals(where = {}, db) {
+  const p = getDb(db)
+  return p.deal.aggregate({
+    where,
+    _count: { _all: true },
+    _sum: { score: true },
+  })
+}
+
+

 module.exports = {
  findDeals,
+  aggregateDeals,
+  getDealWithImages,
  findDeal,
  createDeal,
  updateDeal,
--- a/db/dealImage.db.js
+++ b/db/dealImage.db.js
@ -0,0 +1,14 @@
+const prisma = require("./client"); // sende prisma neredeyse oradan
+
+async function createManyDealImages(data) {
+  return prisma.dealImage.createMany({ data });
+}
+
+async function listDealImagesByDealId(dealId) {
+  return prisma.dealImage.findMany({
+    where: { dealId },
+    orderBy: { order: "asc" },
+  });
+}
+
+module.exports = { createManyDealImages, listDealImagesByDealId };
--- a/db/seller.db.js
+++ b/db/seller.db.js
@ -1,16 +1,16 @@
 const { PrismaClient } = require("@prisma/client")
 const prisma = new PrismaClient()

-async function findCompany(where, options = {}) {
-  return prisma.company.findFirst({
+async function findSeller(where, options = {}) {
+  return prisma.seller.findFirst({
    where,
    include: options.include || undefined,
    select: options.select || undefined,
  })
 }

-async function findCompanyByDomain(domain) {
-  return prisma.company.findFirst({
+async function findSellerByDomain(domain) {
+  return prisma.seller.findFirst({
    where: {
      domains: {
        some: {
@ -23,6 +23,6 @@ async function findCompanyByDomain(domain) {


 module.exports = {
-  findCompany,
-  findCompanyByDomain,
+  findSeller,
+  findSellerByDomain,
 }
--- a/db/vote.db.js
+++ b/db/vote.db.js
@ -0,0 +1,57 @@
+const prisma = require("./client");
+
+async function voteDealTx({ dealId, userId, voteType }) {
+  return prisma.$transaction(async (db) => {
+    const current = await db.dealVote.findUnique({
+      where: { dealId_userId: { dealId, userId } },
+      select: { voteType: true },
+    });
+
+    const oldValue = current ? current.voteType : 0;
+    const delta = voteType - oldValue;
+
+    // history (append-only)
+    await db.dealVoteHistory.create({
+      data: { dealId, userId, voteType },
+    });
+
+    // current state
+    await db.dealVote.upsert({
+      where: { dealId_userId: { dealId, userId } },
+      create: {
+        dealId,
+        userId,
+        voteType,
+        lastVotedAt: new Date(),
+      },
+      update: {
+        voteType,
+        lastVotedAt: new Date(),
+      },
+    });
+
+    // score delta
+    if (delta !== 0) {
+      await db.deal.update({
+        where: { id: dealId },
+        data: { score: { increment: delta } },
+      });
+    }
+
+    const deal = await db.deal.findUnique({
+      where: { id: dealId },
+      select: { score: true },
+    });
+
+    return {
+      dealId,
+      voteType,
+      delta,
+      score: deal?.score ?? null,
+    };
+  });
+}
+
+module.exports = {
+  voteDealTx,
+};
--- a/middleware/authOptional.middleware.js
+++ b/middleware/authOptional.middleware.js
@ -0,0 +1,31 @@
+const jwt = require("jsonwebtoken");
+
+module.exports = (req, res, next) => {
+  const authHeader = req.headers.authorization;
+
+  // token yoksa normal devam
+  if (!authHeader) {
+    req.user = null;
+    return next();
+  }
+
+  const parts = authHeader.split(" ");
+  const token = parts.length === 2 ? parts[1] : null;
+
+  if (!token) {
+    req.user = null;
+    return next();
+  }
+
+  try {
+    const decoded = jwt.verify(token, process.env.JWT_SECRET);
+    req.user = {
+      ...decoded,
+      userId: Number(decoded.userId),
+    };
+    return next();
+  } catch (err) {
+    // token varsa ama bozuksa => 401 (tercih)
+    return res.status(401).json({ error: "Token geçersiz" });
+  }
+};
--- a/middleware/authRequired.middleware.js
+++ b/middleware/authRequired.middleware.js
--- a/middleware/upload.middleware.js
+++ b/middleware/upload.middleware.js
@ -0,0 +1,11 @@
+const multer = require("multer");
+
+const upload = multer({
+  storage: multer.memoryStorage(),
+  limits: {
+    files: 5,
+    fileSize: 10 * 1024 * 1024,
+  },
+});
+
+module.exports = { upload };
--- a/package-lock.json
+++ b/package-lock.json
@ -16,6 +16,8 @@
        "express": "^5.1.0",
        "jsonwebtoken": "^9.0.2",
        "multer": "^2.0.2",
+        "sharp": "^0.34.5",
+        "uuid": "^13.0.0",
        "zod": "^4.1.12"
      },
      "devDependencies": {
@ -41,6 +43,481 @@
        "node": ">=12"
      }
    },
+    "node_modules/@emnapi/runtime": {
+      "version": "1.8.1",
+      "resolved": "https://registry.npmjs.org/@emnapi/runtime/-/runtime-1.8.1.tgz",
+      "integrity": "sha512-mehfKSMWjjNol8659Z8KxEMrdSJDDot5SXMq00dM8BN4o+CLNXQ0xH2V7EchNHV4RmbZLmmPdEaXZc5H2FXmDg==",
+      "license": "MIT",
+      "optional": true,
+      "dependencies": {
+        "tslib": "^2.4.0"
+      }
+    },
+    "node_modules/@img/colour": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@img/colour/-/colour-1.0.0.tgz",
+      "integrity": "sha512-A5P/LfWGFSl6nsckYtjw9da+19jB8hkJ6ACTGcDfEJ0aE+l2n2El7dsVM7UVHZQ9s2lmYMWlrS21YLy2IR1LUw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/@img/sharp-darwin-arm64": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-darwin-arm64/-/sharp-darwin-arm64-0.34.5.tgz",
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+      "cpu": [
+        "arm64"
+      ],
+      "license": "Apache-2.0",
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-libvips-darwin-arm64": "1.2.4"
+      }
+    },
+    "node_modules/@img/sharp-darwin-x64": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-darwin-x64/-/sharp-darwin-x64-0.34.5.tgz",
+      "integrity": "sha512-YNEFAF/4KQ/PeW0N+r+aVVsoIY0/qxxikF2SWdp+NRkmMB7y9LBZAVqQ4yhGCm/H3H270OSykqmQMKLBhBJDEw==",
+      "cpu": [
+        "x64"
+      ],
+      "license": "Apache-2.0",
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-libvips-darwin-x64": "1.2.4"
+      }
+    },
+    "node_modules/@img/sharp-libvips-darwin-arm64": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-darwin-arm64/-/sharp-libvips-darwin-arm64-1.2.4.tgz",
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+      "cpu": [
+        "arm64"
+      ],
+      "license": "LGPL-3.0-or-later",
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
+    "node_modules/@img/sharp-libvips-darwin-x64": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-darwin-x64/-/sharp-libvips-darwin-x64-1.2.4.tgz",
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+      "cpu": [
+        "x64"
+      ],
+      "license": "LGPL-3.0-or-later",
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
+    "node_modules/@img/sharp-libvips-linux-arm": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-linux-arm/-/sharp-libvips-linux-arm-1.2.4.tgz",
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+      "cpu": [
+        "arm"
+      ],
+      "license": "LGPL-3.0-or-later",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
+    "node_modules/@img/sharp-libvips-linux-arm64": {
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+    "node_modules/@img/sharp-win32-ia32": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-win32-ia32/-/sharp-win32-ia32-0.34.5.tgz",
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+      "optional": true,
+      "os": [
+        "win32"
+      ],
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+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
+    "node_modules/@img/sharp-win32-x64": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-win32-x64/-/sharp-win32-x64-0.34.5.tgz",
+      "integrity": "sha512-+29YMsqY2/9eFEiW93eqWnuLcWcufowXewwSNIT6UwZdUUCrM3oFjMWH/Z6/TMmb4hlFenmfAVbpWeup2jryCw==",
+      "cpu": [
+        "x64"
+      ],
+      "license": "Apache-2.0 AND LGPL-3.0-or-later",
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
    "node_modules/@jridgewell/resolve-uri": {
      "version": "3.1.2",
      "resolved": "https://registry.npmjs.org/@jridgewell/resolve-uri/-/resolve-uri-3.1.2.tgz",
@ -865,6 +1342,15 @@
      "devOptional": true,
      "license": "MIT"
    },
+    "node_modules/detect-libc": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-2.1.2.tgz",
+      "integrity": "sha512-Btj2BOOO83o3WyH59e8MgXsxEQVcarkUOpEYrubB0urwnN10yQ364rsiByU11nZlqWYZm05i/of7io4mzihBtQ==",
+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=8"
+      }
+    },
    "node_modules/diff": {
      "version": "4.0.2",
      "resolved": "https://registry.npmjs.org/diff/-/diff-4.0.2.tgz",
@ -2118,6 +2604,50 @@
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      "license": "ISC"
    },
+    "node_modules/sharp": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/sharp/-/sharp-0.34.5.tgz",
+      "integrity": "sha512-Ou9I5Ft9WNcCbXrU9cMgPBcCK8LiwLqcbywW3t4oDV37n1pzpuNLsYiAV8eODnjbtQlSDwZ2cUEeQz4E54Hltg==",
+      "hasInstallScript": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@img/colour": "^1.0.0",
+        "detect-libc": "^2.1.2",
+        "semver": "^7.7.3"
+      },
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-darwin-arm64": "0.34.5",
+        "@img/sharp-darwin-x64": "0.34.5",
+        "@img/sharp-libvips-darwin-arm64": "1.2.4",
+        "@img/sharp-libvips-darwin-x64": "1.2.4",
+        "@img/sharp-libvips-linux-arm": "1.2.4",
+        "@img/sharp-libvips-linux-arm64": "1.2.4",
+        "@img/sharp-libvips-linux-ppc64": "1.2.4",
+        "@img/sharp-libvips-linux-riscv64": "1.2.4",
+        "@img/sharp-libvips-linux-s390x": "1.2.4",
+        "@img/sharp-libvips-linux-x64": "1.2.4",
+        "@img/sharp-libvips-linuxmusl-arm64": "1.2.4",
+        "@img/sharp-libvips-linuxmusl-x64": "1.2.4",
+        "@img/sharp-linux-arm": "0.34.5",
+        "@img/sharp-linux-arm64": "0.34.5",
+        "@img/sharp-linux-ppc64": "0.34.5",
+        "@img/sharp-linux-riscv64": "0.34.5",
+        "@img/sharp-linux-s390x": "0.34.5",
+        "@img/sharp-linux-x64": "0.34.5",
+        "@img/sharp-linuxmusl-arm64": "0.34.5",
+        "@img/sharp-linuxmusl-x64": "0.34.5",
+        "@img/sharp-wasm32": "0.34.5",
+        "@img/sharp-win32-arm64": "0.34.5",
+        "@img/sharp-win32-ia32": "0.34.5",
+        "@img/sharp-win32-x64": "0.34.5"
+      }
+    },
    "node_modules/side-channel": {
      "version": "1.1.0",
      "resolved": "https://registry.npmjs.org/side-channel/-/side-channel-1.1.0.tgz",
@ -2428,6 +2958,19 @@
      "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==",
      "license": "MIT"
    },
+    "node_modules/uuid": {
+      "version": "13.0.0",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-13.0.0.tgz",
+      "integrity": "sha512-XQegIaBTVUjSHliKqcnFqYypAd4S+WCYt5NIeRs6w/UAry7z8Y9j5ZwRRL4kzq9U3sD6v+85er9FvkEaBpji2w==",
+      "funding": [
+        "https://github.com/sponsors/broofa",
+        "https://github.com/sponsors/ctavan"
+      ],
+      "license": "MIT",
+      "bin": {
+        "uuid": "dist-node/bin/uuid"
+      }
+    },
    "node_modules/v8-compile-cache-lib": {
      "version": "3.0.1",
      "resolved": "https://registry.npmjs.org/v8-compile-cache-lib/-/v8-compile-cache-lib-3.0.1.tgz",
--- a/package.json
+++ b/package.json
@ -21,6 +21,8 @@
    "express": "^5.1.0",
    "jsonwebtoken": "^9.0.2",
    "multer": "^2.0.2",
+    "sharp": "^0.34.5",
+    "uuid": "^13.0.0",
    "zod": "^4.1.12"
  },
  "devDependencies": {
--- a/prisma/migrations/20260118124917_add_company_and_affiliate_fields/migration.sql
+++ b/prisma/migrations/20260118124917_add_company_and_affiliate_fields/migration.sql
@ -9,7 +9,7 @@ CREATE TYPE "AffiliateType" AS ENUM ('AFFILIATE', 'NON_AFFILIATE', 'USER_AFFILIA

 -- AlterTable
 ALTER TABLE "Deal" ADD COLUMN     "affiliateType" "AffiliateType" NOT NULL DEFAULT 'NON_AFFILIATE',
-ADD COLUMN     "companyId" INTEGER,
+ADD COLUMN     "sellerId" INTEGER,
 ADD COLUMN     "customCompany" TEXT,
 ADD COLUMN     "saletype" "SaleType" NOT NULL DEFAULT 'ONLINE',
 ADD COLUMN     "status" "DealStatus" NOT NULL DEFAULT 'PENDING';
@ -18,7 +18,7 @@ ADD COLUMN     "status" "DealStatus" NOT NULL DEFAULT 'PENDING';
 CREATE TABLE "CompanyDomain" (
    "id" SERIAL NOT NULL,
    "domain" TEXT NOT NULL,
-    "companyId" INTEGER NOT NULL,
+    "sellerId" INTEGER NOT NULL,
    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "createdById" INTEGER NOT NULL,

@ -44,7 +44,7 @@ CREATE UNIQUE INDEX "CompanyDomain_domain_key" ON "CompanyDomain"("domain");
 CREATE UNIQUE INDEX "Company_name_key" ON "Company"("name");

 -- AddForeignKey
-ALTER TABLE "CompanyDomain" ADD CONSTRAINT "CompanyDomain_companyId_fkey" FOREIGN KEY ("companyId") REFERENCES "Company"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+ALTER TABLE "CompanyDomain" ADD CONSTRAINT "CompanyDomain_sellerId_fkey" FOREIGN KEY ("sellerId") REFERENCES "Company"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

 -- AddForeignKey
 ALTER TABLE "CompanyDomain" ADD CONSTRAINT "CompanyDomain_createdById_fkey" FOREIGN KEY ("createdById") REFERENCES "User"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
@ -53,4 +53,4 @@ ALTER TABLE "CompanyDomain" ADD CONSTRAINT "CompanyDomain_createdById_fkey" FORE
 ALTER TABLE "Company" ADD CONSTRAINT "Company_createdById_fkey" FOREIGN KEY ("createdById") REFERENCES "User"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

 -- AddForeignKey
-ALTER TABLE "Deal" ADD CONSTRAINT "Deal_companyId_fkey" FOREIGN KEY ("companyId") REFERENCES "Company"("id") ON DELETE SET NULL ON UPDATE CASCADE;
+ALTER TABLE "Deal" ADD CONSTRAINT "Deal_sellerId_fkey" FOREIGN KEY ("sellerId") REFERENCES "Company"("id") ON DELETE SET NULL ON UPDATE CASCADE;
--- a/prisma/migrations/20260120163044_seller_naming_change/migration.sql
+++ b/prisma/migrations/20260120163044_seller_naming_change/migration.sql
@ -0,0 +1,72 @@
+/*
+  Warnings:
+
+  - You are about to drop the column `sellerId` on the `Deal` table. All the data in the column will be lost.
+  - You are about to drop the column `customCompany` on the `Deal` table. All the data in the column will be lost.
+  - You are about to drop the `Company` table. If the table is not empty, all the data it contains will be lost.
+  - You are about to drop the `CompanyDomain` table. If the table is not empty, all the data it contains will be lost.
+
+*/
+-- DropForeignKey
+ALTER TABLE "public"."Company" DROP CONSTRAINT "Company_createdById_fkey";
+
+-- DropForeignKey
+ALTER TABLE "public"."CompanyDomain" DROP CONSTRAINT "CompanyDomain_sellerId_fkey";
+
+-- DropForeignKey
+ALTER TABLE "public"."CompanyDomain" DROP CONSTRAINT "CompanyDomain_createdById_fkey";
+
+-- DropForeignKey
+ALTER TABLE "public"."Deal" DROP CONSTRAINT "Deal_sellerId_fkey";
+
+-- AlterTable
+ALTER TABLE "Deal" DROP COLUMN "sellerId",
+DROP COLUMN "customCompany",
+ADD COLUMN     "customSeller" TEXT,
+ADD COLUMN     "sellerId" INTEGER;
+
+-- DropTable
+DROP TABLE "public"."Company";
+
+-- DropTable
+DROP TABLE "public"."CompanyDomain";
+
+-- CreateTable
+CREATE TABLE "SellerDomain" (
+    "id" SERIAL NOT NULL,
+    "domain" TEXT NOT NULL,
+    "sellerId" INTEGER NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "createdById" INTEGER NOT NULL,
+
+    CONSTRAINT "SellerDomain_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "Seller" (
+    "id" SERIAL NOT NULL,
+    "name" TEXT NOT NULL,
+    "isActive" BOOLEAN NOT NULL DEFAULT true,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "createdById" INTEGER NOT NULL,
+
+    CONSTRAINT "Seller_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "SellerDomain_domain_key" ON "SellerDomain"("domain");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "Seller_name_key" ON "Seller"("name");
+
+-- AddForeignKey
+ALTER TABLE "SellerDomain" ADD CONSTRAINT "SellerDomain_sellerId_fkey" FOREIGN KEY ("sellerId") REFERENCES "Seller"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "SellerDomain" ADD CONSTRAINT "SellerDomain_createdById_fkey" FOREIGN KEY ("createdById") REFERENCES "User"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "Seller" ADD CONSTRAINT "Seller_createdById_fkey" FOREIGN KEY ("createdById") REFERENCES "User"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "Deal" ADD CONSTRAINT "Deal_sellerId_fkey" FOREIGN KEY ("sellerId") REFERENCES "Seller"("id") ON DELETE SET NULL ON UPDATE CASCADE;
--- a/prisma/migrations/20260121111845_added_commentcount_into_deals/migration.sql
+++ b/prisma/migrations/20260121111845_added_commentcount_into_deals/migration.sql
@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "Deal" ADD COLUMN     "commentCount" INTEGER NOT NULL DEFAULT 0;
--- a/prisma/migrations/20260121134508_added_url_to_seller/migration.sql
+++ b/prisma/migrations/20260121134508_added_url_to_seller/migration.sql
@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "Seller" ADD COLUMN     "url" TEXT NOT NULL DEFAULT '';
--- a/prisma/migrations/20260121152845_vote_overhaul/migration.sql
+++ b/prisma/migrations/20260121152845_vote_overhaul/migration.sql
@ -0,0 +1,39 @@
+/*
+  Warnings:
+
+  - The `voteType` column on the `DealVote` table would be dropped and recreated. This will lead to data loss if there is data in the column.
+
+*/
+-- AlterTable
+ALTER TABLE "DealVote" ADD COLUMN     "lastVotedAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+DROP COLUMN "voteType",
+ADD COLUMN     "voteType" INTEGER NOT NULL DEFAULT 0;
+
+-- CreateTable
+CREATE TABLE "DealVoteHistory" (
+    "id" SERIAL NOT NULL,
+    "dealId" INTEGER NOT NULL,
+    "userId" INTEGER NOT NULL,
+    "voteType" INTEGER NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "DealVoteHistory_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE INDEX "DealVoteHistory_dealId_idx" ON "DealVoteHistory"("dealId");
+
+-- CreateIndex
+CREATE INDEX "DealVoteHistory_userId_idx" ON "DealVoteHistory"("userId");
+
+-- CreateIndex
+CREATE INDEX "DealVoteHistory_createdAt_idx" ON "DealVoteHistory"("createdAt");
+
+-- CreateIndex
+CREATE INDEX "DealVote_dealId_idx" ON "DealVote"("dealId");
+
+-- AddForeignKey
+ALTER TABLE "DealVoteHistory" ADD CONSTRAINT "DealVoteHistory_dealId_fkey" FOREIGN KEY ("dealId") REFERENCES "Deal"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "DealVoteHistory" ADD CONSTRAINT "DealVoteHistory_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@ -24,8 +24,9 @@ model User {
  Deal         Deal[]
  votes        DealVote[]
  comments Comment[]
-  companies    Company[]      
-  domains      CompanyDomain[] 
+  companies    Seller[]      
+  domains      SellerDomain[] 
+  dealVoteHistory  DealVoteHistory[]
 }

 enum DealStatus {
@ -47,28 +48,28 @@ enum AffiliateType{
  USER_AFFILIATE
 }

-  model CompanyDomain {
+  model SellerDomain {
    id        Int      @id @default(autoincrement())
    domain    String   @unique  
-    companyId Int
-    company   Company  @relation(fields: [companyId], references: [id])
+    sellerId Int
+    seller   Seller  @relation(fields: [sellerId], references: [id])

    createdAt DateTime @default(now())
    createdById Int
    createdBy User     @relation(fields: [createdById], references: [id])
  }

-  model Company {
+  model Seller {
    id        Int      @id @default(autoincrement())
    name      String   @unique
+    url       String   @default("")
    isActive  Boolean  @default(true)
-    Links String?
    createdAt DateTime @default(now())
    createdById Int

    deals     Deal[]
    createdBy User     @relation(fields: [createdById], references: [id])
-    domains     CompanyDomain[]
+    domains     SellerDomain[]
  }

 model Deal {
@ -80,19 +81,21 @@ model Deal {

  userId      Int
  score       Int         @default(0)
+  commentCount Int       @default(0)
  status      DealStatus  @default(PENDING)
  saletype SaleType @default(ONLINE)
  affiliateType AffiliateType @default(NON_AFFILIATE)

-  companyId     Int?
-  customCompany String?
+  sellerId     Int?
+  customSeller String?
  
-  company       Company?   @relation(fields: [companyId], references: [id])
+  seller       Seller?   @relation(fields: [sellerId], references: [id])
  createdAt   DateTime    @default(now())
  updatedAt   DateTime    @updatedAt

  user      User        @relation(fields: [userId], references: [id])
  votes     DealVote[]
+  voteHistory  DealVoteHistory[]
  comments  Comment[]
  images    DealImage[]  // ← yeni ilişki
 }
@ -110,13 +113,30 @@ model DealVote {
  id         Int      @id @default(autoincrement())
  dealId     Int
  userId     Int
-  voteType  String
+  voteType   Int      @default(0) // -1,0,1
+  createdAt  DateTime @default(now())
+  lastVotedAt DateTime @default(now()) // her vote değişiminde set edeceğiz
+
+  deal Deal @relation(fields: [dealId], references: [id])
+  user User @relation(fields: [userId], references: [id])
+
+  @@unique([dealId, userId])
+  @@index([dealId])
+}
+
+model DealVoteHistory {
+  id        Int      @id @default(autoincrement())
+  dealId    Int
+  userId    Int
+  voteType  Int
  createdAt DateTime @default(now())

  deal Deal @relation(fields: [dealId], references: [id])
  user User @relation(fields: [userId], references: [id])

-  @@unique([dealId, userId]) // aynı kullanıcı aynı ilana bir kez oy verebilir
+  @@index([dealId])
+  @@index([userId])
+  @@index([createdAt])
 }


--- a/prisma/seed.js
+++ b/prisma/seed.js
@ -28,8 +28,8 @@ async function main() {
    },
  })

-  // ---------- COMPANY ----------
-  const amazon = await prisma.company.upsert({
+  // ---------- Seller ----------
+  const amazon = await prisma.seller.upsert({
    where: { name: 'Amazon' },
    update: {},
    create: {
@ -39,16 +39,16 @@ async function main() {
    },
  })

-  // ---------- COMPANY DOMAINS ----------
+  // ---------- Seller DOMAINS ----------
  const domains = ['amazon.com', 'amazon.com.tr']

  for (const domain of domains) {
-    await prisma.companyDomain.upsert({
+    await prisma.SellerDomain.upsert({
      where: { domain },
      update: {},
      create: {
        domain,
-        companyId: amazon.id,
+        sellerId: amazon.id,
        createdById: admin.id,
      },
    })
@ -64,8 +64,9 @@ async function main() {
      status: DealStatus.ACTIVE,
      saletype: SaleType.ONLINE,
      affiliateType: AffiliateType.NON_AFFILIATE,
+      commentCount:1,
      userId: user.id,
-      companyId: amazon.id,
+      sellerId: amazon.id,
    },
  })

@ -97,7 +98,7 @@ async function main() {
    create: {
      dealId: deal.id,
      userId: admin.id,
-      voteType: 'UP',
+      voteType: 1,
    },
  })

--- a/routes/account/accountSettings.routes.js
+++ b/routes/account/accountSettings.routes.js
@ -1,19 +1,21 @@
 const express = require("express")
 const multer = require("multer")
 const fs = require("fs")
-const { uploadProfileImage } = require("../../services/supabase/supabaseUpload.service")
-const { validateImage } = require("../../utils/validateImage")
-const authMiddleware = require("../../middleware/authMiddleware")
-const { getUserProfile } = require("../../services/profile/profile.service")
+const { uploadProfileImage } = require("../services/supabaseUpload.service")
+const { validateImage } = require("../utils/validateImage")
+const authRequiredMiddleware = require("../middleware/authRequired.middleware")
+const authOptionalMiddleware = require("../middleware/authOptional.middleware")
+const { getUserProfile } = require("../services/profile.service")

 const router = express.Router()
 const upload = multer({ dest: "uploads/" })

-const { updateUserAvatar } = require("../../services/account/avatar.service")
+const { updateUserAvatar } = require("../services/avatar.service")

 router.post(
  "/avatar",
-  authMiddleware,
+  authRequiredMiddleware
+,
  upload.single("file"),
  async (req, res) => {
    try {
@ -34,7 +36,8 @@ router.post(
 )


-router.get("/me", authMiddleware, async (req, res) => {
+router.get("/me", authRequiredMiddleware
+, async (req, res) => {
  try {
    const user = await getUserProfile(req.user.id)
    res.json(user)
--- a/routes/auth.routes.js
+++ b/routes/auth.routes.js
@ -1,79 +1,61 @@
 const express = require("express");
-const bcrypt = require("bcryptjs");
-const jwt = require("jsonwebtoken");
-const { PrismaClient } = require("@prisma/client");
-const generateToken = require("../utils/generateToken");
-const authMiddleware = require("../middleware/authMiddleware");
-
+const authRequiredMiddleware
+ = require("../middleware/authRequired.middleware");
+const authService=require("../services/auth.service")
 const router = express.Router();
-const prisma = new PrismaClient();
+
+const {
+  mapLoginRequestToLoginInput,
+  mapLoginResultToResponse,
+} = require("../adapters/responses/login.adapter");
+const {
+  mapRegisterRequestToRegisterInput,
+  mapRegisterResultToResponse,
+} = require("../adapters/responses/register.adapter");
+const {
+  mapMeRequestToUserId,
+  mapMeResultToResponse,
+} = require("../adapters/responses/me.adapter");


-// Kayıt ol
 router.post("/register", async (req, res) => {
  try {
-    const { username, email, password } = req.body;
-
-    const existingUser = await prisma.user.findUnique({ where: { email } });
-    if (existingUser) return res.status(400).json({ message: "Bu e-posta zaten kayıtlı." });
-
-    const hashedPassword = await bcrypt.hash(password, 10);
-
-    const user = await prisma.user.create({
-      data: { username, email, passwordHash: hashedPassword },
-    });
-
-    const token = generateToken(user.id);
-
-    res.json({ token, user: { id: user.id, username: user.username, email: user.email } });
+    const input = mapRegisterRequestToRegisterInput(req.body);
+    const result = await authService.register(input);
+    res.json(mapRegisterResultToResponse(result));
  } catch (err) {
-    res.status(500).json({ message: "Kayıt işlemi başarısız.", error: err.message });
+    const status = err.statusCode || 500;
+    res.status(status).json({
+      message: err.message || "Kayıt işlemi başarısız.",
+    });
  }
 });


-// Giriş yap
 router.post("/login", async (req, res) => {
  try {
-    const { email, password } = req.body;
-
-    const user = await prisma.user.findUnique({ where: { email } });
-    if (!user)
-      return res.status(400).json({ message: "Kullanıcı bulunamadı." });
-
-    const isMatch = await bcrypt.compare(password, user.passwordHash);
-    if (!isMatch)
-      return res.status(401).json({ message: "Şifre hatalı." });
-
-    // userId olarak imzala
-    const token = generateToken(user.id);
-
-    res.json({
-      token,
-      user: { id: user.id, username: user.username, email: user.email,avatarUrl:user.avatarUrl },
-    });
+    const input = mapLoginRequestToLoginInput(req.body);
+    const result = await authService.login(input);
+    res.json(mapLoginResultToResponse(result));
  } catch (err) {
-    console.error(err);
-    res
-      .status(500)
-      .json({ message: "Giriş işlemi başarısız.", error: err.message });
+    const status = err.statusCode || 500;
+    res.status(status).json({ message: err.message || "Giriş işlemi başarısız." });
  }
 });


-router.get("/me", authMiddleware, async (req, res) => {
+
+router.get("/me", authRequiredMiddleware
+, async (req, res) => {
  try {
-    const user = await prisma.user.findUnique({
-      where: { id: req.user.userId },
-      select: { id: true, username: true, email: true,avatarUrl:true },
-    })
-
-    if (!user) return res.status(404).json({ error: "Kullanıcı bulunamadı" })
-    res.json(user)
+    const userId = mapMeRequestToUserId(req);
+    const user = await authService.getMe(userId);
+    res.json(mapMeResultToResponse(user));
  } catch (err) {
-    console.error(err)
-    res.status(500).json({ error: "Sunucu hatası" })
+    const status = err.statusCode || 500;
+    res.status(status).json({
+      message: err.message || "Sunucu hatası",
+    });
  }
-})
-
+});
 module.exports = router;
--- a/routes/deal/comment.routes.js
+++ b/routes/deal/comment.routes.js
@ -1,24 +1,31 @@
 const express = require("express")
-const authMiddleware = require("../../middleware/authMiddleware")
+const authRequiredMiddleware = require("../middleware/authRequired.middleware")
+const authOptionalMiddleware = require("../middleware/authOptional.middleware")
 const {
  getCommentsByDealId,
  createComment,
  deleteComment,
-} = require("../../services/deal/comment.service")
+} = require("../services/comment.service")

+
+const dealCommentAdapter=require("../adapters/responses/comment.adapter")
+const commentService=require("../services/comment.service")
 const router = express.Router()

 router.get("/:dealId", async (req, res) => {
  try {
-    const comments = await getCommentsByDealId(req.params.dealId)
-    res.json(comments)
+    const dealId = Number(req.params.dealId)
+    const comments = await commentService.getCommentsByDealId(dealId)
+    res.json(dealCommentAdapter.mapCommentsToDealCommentResponse(comments))
+
  } catch (err) {
-    console.error(err)
-    res.status(500).json({ error: "Sunucu hatası" })
+    console.log(err.message)
+    res.status(400).json({ error: err.message })
  }
 })

-router.post("/", authMiddleware, async (req, res) => {
+router.post("/", authRequiredMiddleware
+, async (req, res) => {
  try {
    const { dealId, text } = req.body
    const userId = req.user.userId
@ -32,7 +39,8 @@ router.post("/", authMiddleware, async (req, res) => {
  }
 })

-router.delete("/:id", authMiddleware, async (req, res) => {
+router.delete("/:id", authRequiredMiddleware
+, async (req, res) => {
  try {
    const result = await deleteComment(req.params.id, req.user.userId)
    res.json(result)
--- a/routes/deal.routes.js
+++ b/routes/deal.routes.js
@ -0,0 +1,75 @@
+const express = require("express")
+const router = express.Router()
+const { getDeals, getDealById, createDeal,searchDeals } = require("../services/deal.service")
+const authRequiredMiddleware = require("../middleware/authRequired.middleware")
+const authOptionalMiddleware = require("../middleware/authOptional.middleware")
+const { upload } = require("../middleware/upload.middleware");
+
+
+const {mapCreateDealRequestToDealCreateData} =require("../adapters/requests/dealCreate.adapter")
+const { mapDealToDealDetailResponse } = require("../adapters/responses/dealDetail.adapter")
+const { mapDealToDealCardResponse,mapPaginatedDealsToDealCardResponse } = require("../adapters/responses/dealCard.adapter")
+
+
+router.get("/", authOptionalMiddleware, async (req, res) => {
+  try {
+    const q = (req.query.q ?? "").toString().trim()
+    const page = Number(req.query.page) || 1
+    const limit = Number(req.query.limit) || 10
+    const userId = req.user?.userId ?? null
+    const data = await getDeals({ q, page, limit, userId })
+    
+    res.json(mapPaginatedDealsToDealCardResponse(data))
+  } catch (e) {
+    console.error(e)
+    res.status(500).json({ error: "Sunucu hatası" })
+  }
+})
+
+
+router.get("/search", async (req, res) => {
+  try {
+    const query = req.query.q || ""
+    const page = Number(req.query.page) || 1
+    const limit = 10
+
+    if (!query.trim()) {
+      return res.json({ results: [], total: 0, totalPages: 0, page })
+    }
+
+    const data = await searchDeals(query, page, limit)
+    res.json(mapPaginatedDealsToDealCardResponse(data))
+  } catch (e) {
+    console.error(e)
+    res.status(500).json({ error: "Sunucu hatası" })
+  }
+})
+
+router.get("/:id", async (req, res) => { //MAPPED
+  try {
+    const deal = await getDealById(req.params.id)
+    if (!deal) return res.status(404).json({ error: "Deal bulunamadı" })
+    console.log(mapDealToDealDetailResponse(deal))
+      res.json(mapDealToDealDetailResponse(deal))
+  } catch (e) {
+    console.error(e)
+    res.status(500).json({ error: "Sunucu hatası" })
+  }
+})
+
+router.post(  "/",  authRequiredMiddleware,  upload.array("images", 5),  async (req, res) => {
+    try {
+      const userId = req.user.userId;
+      const dealCreateData = mapCreateDealRequestToDealCreateData(req.body, userId);
+      const deal = await createDeal(dealCreateData, req.files || []);
+      res.json(deal);
+    } catch (err) {
+      console.error(err);
+      res.status(500).json({ error: "Sunucu hatası" });
+    }
+  }
+);
+
+
+
+module.exports = router
--- a/routes/deal/deal.routes.js
+++ b/routes/deal/deal.routes.js
@ -1,61 +0,0 @@
-const express = require("express")
-const router = express.Router()
-const { getAllDeals, getDealById, createDeal,searchDeals } = require("../../services/deal/deal.service")
-const authMiddleware = require("../../middleware/authMiddleware")
-
-router.get("/", async (req, res) => {
-  try {
-    const page = Number(req.query.page) || 1
-    const limit = 10
-    const data = await getAllDeals(page, limit)
-    res.json(data)
-  } catch (e) {
-    console.error(e)
-    res.status(500).json({ error: "Sunucu hatası" })
-  }
-})
-
-
-router.get("/search", async (req, res) => {
-  try {
-    const query = req.query.q || ""
-    const page = Number(req.query.page) || 1
-    const limit = 10
-
-    if (!query.trim()) {
-      return res.json({ results: [], total: 0, totalPages: 0, page })
-    }
-
-    const data = await searchDeals(query, page, limit)
-    res.json(data)
-  } catch (e) {
-    console.error(e)
-    res.status(500).json({ error: "Sunucu hatası" })
-  }
-})
-
-router.get("/:id", async (req, res) => {
-  try {
-    const deal = await getDealById(req.params.id)
-    if (!deal) return res.status(404).json({ error: "Deal bulunamadı" })
-    res.json(deal)
-  } catch (e) {
-    console.error(e)
-    res.status(500).json({ error: "Sunucu hatası" })
-  }
-})
-
-router.post("/", authMiddleware, async (req, res) => {
-  try {
-    const userId = req.user.userId
-    const deal = await createDeal(req.body, userId)
-    res.json(deal)
-  } catch (err) {
-    console.error(err)
-    res.status(500).json({ error: "Sunucu hatası" })
-  }
-})
-
-
-
-module.exports = router
--- a/routes/deal/vote.routes.js
+++ b/routes/deal/vote.routes.js
@ -1,51 +0,0 @@
-const express = require("express")
-const authMiddleware = require("../../middleware/authMiddleware")
-const { voteDeal, getVotes } = require("../../services/deal/deal.service")
-const { z } = require("zod")
-
-const router = express.Router()
-
-// Şema tanımı
-const voteSchema = z.object({
-  dealId: z.number().int().positive(),
-  voteType: z.enum(["UP", "DOWN"]),
-})
-
-// Oy verme
-router.post("/", authMiddleware, async (req, res) => {
-  const parsed = voteSchema.safeParse(req.body)
-  if (!parsed.success) {
-    return res.status(400).json({
-      error: "Geçersiz veri",
-      details: parsed.error.errors.map((e) => e.message),
-    })
-  }
-
-  const { dealId, voteType } = parsed.data
-  const userId = req.user.userId
-
-  try {
-    const score = await voteDeal(dealId, userId, voteType)
-    res.json({ score })
-  } catch (err) {
-    console.error(err)
-    res.status(500).json({ error: "Sunucu hatası" })
-  }
-})
-
-// Belirli deal için oyları çek
-router.get("/:dealId", async (req, res) => {
-  try {
-    const dealId = Number(req.params.dealId)
-    if (isNaN(dealId) || dealId <= 0)
-      return res.status(400).json({ error: "Geçersiz dealId" })
-
-    const data = await getVotes(dealId)
-    res.json(data)
-  } catch (err) {
-    console.error(err)
-    res.status(500).json({ error: "Sunucu hatası" })
-  }
-})
-
-module.exports = router
--- a/routes/seller.routes.js
+++ b/routes/seller.routes.js
@ -0,0 +1,31 @@
+const express = require("express")
+const router = express.Router()
+const authRequiredMiddleware = require("../middleware/authRequired.middleware")
+const authOptionalMiddleware = require("../middleware/authOptional.middleware")
+const { findSellerFromLink } = require("../services/seller.service")
+
+
+router.post("/from-link", authRequiredMiddleware
+, async (req, res) => {
+  try {
+    const  sellerUrl  = req.body.url
+    const Seller = await findSellerFromLink(sellerUrl)
+
+    if (!Seller) {
+      return res.json({
+        sellerId: -1,
+        sellerName: null,
+      })
+    }
+    return res.json({
+      id: Seller.id,
+      name: Seller.name,
+    })
+    
+  } catch (e) {
+    console.error(e)
+    res.status(500).json({ error: "Sunucu hatası" })
+  }
+})
+
+module.exports = router
--- a/routes/seller/seller.routes.js
+++ b/routes/seller/seller.routes.js
@ -1,34 +0,0 @@
-const express = require("express")
-const router = express.Router()
-const authMiddleware = require("../../middleware/authMiddleware")
-const { findCompanyFromLink } = require("../../services/seller/seller.service")
-
-
-router.post("/from-link", authMiddleware, async (req, res) => {
-  try {
-    const seller  = req.body.seller
-
-    if (!seller) {
-      return res.status(400).json({ error: "URL gerekli" })
-    }
-
-    const company = await findCompanyFromLink(url)
-
-    if (!company) {
-      return res.json({
-        sellerId: -1,
-        sellerName: null,
-      })
-    }
-
-    return res.json({
-      sellerId: company.id,
-      sellerName: company.name,
-    })
-  } catch (e) {
-    console.error(e)
-    res.status(500).json({ error: "Sunucu hatası" })
-  }
-})
-
-module.exports = router
--- a/routes/user.routes.js
+++ b/routes/user.routes.js
@ -1,11 +1,19 @@
-const express = require("express");
-const { PrismaClient } = require("@prisma/client");
-const router = express.Router();
-const prisma = new PrismaClient();
+// routes/user.js
+const express = require("express")
+const router = express.Router()

-router.get("/", async (req, res) => {
-  const users = await prisma.user.findMany();
-  res.json(users);
-});
+const userService = require("../services/user.service")
+const userProfileAdapter = require("../adapters/responses/userProfile.adapter")

-module.exports = router;
+router.get("/:userName", async (req, res) => {
+  try {
+    const data = await userService.getUserProfileByUsername(req.params.userName)
+    res.json(userProfileAdapter.mapUserProfileToResponse(data))
+  } catch (err) {
+    console.error(err)
+    const status = err.statusCode || 500
+    res.status(status).json({ message: err.message || "Profil bilgileri alınamadı." })
+  }
+})
+
+module.exports = router
--- a/routes/user/user.routes.js
+++ b/routes/user/user.routes.js
@ -1,63 +0,0 @@
-// routes/profileRoutes.js
-const express = require("express")
-const { PrismaClient } = require("@prisma/client")
-const prisma = new PrismaClient()
-const router = express.Router()
-
-// Belirli bir kullanıcının profil detayları
-router.get("/:userName", async (req, res) => {
-  console.log("İstek geldi:", req.params.userName)
-  try {
-    const username = req.params.userName
-    const user = await prisma.user.findUnique({
-      where: { username: username },
-      select: {
-        id: true,
-        username: true,
-        avatarUrl: true,
-        createdAt: true,
-      },
-    })
-
-    if (!user) return res.status(404).json({ message: "Kullanıcı bulunamadı." })
-
-    // Kullanıcının paylaştığı fırsatlar
-    const deals = await prisma.deal.findMany({
-      where: { userId: user.id },
-      orderBy: { createdAt: "desc" },
-      select: {
-        id: true,
-        title: true,
-        price: true,
-        createdAt: true,
-        score: true,
-        images: {
-          orderBy: { order: "asc" }, // küçük order en önde
-          take: 1,                    // sadece ilk görsel
-          select: { imageUrl: true },
-        },
-      },
-    })
-
-
-    // Kullanıcının yaptığı yorumlar
-    const comments = await prisma.comment.findMany({
-      where: { userId:user.id },
-      orderBy: { createdAt: "desc" },
-      select: {
-        id: true,
-        text: true,
-        dealId: true,
-        createdAt: true,
-        deal: { select: { title: true } },
-      },
-    })
-
-    res.json({ user, deals, comments })
-  } catch (err) {
-    console.error(err)
-    res.status(500).json({ message: "Profil bilgileri alınamadı.", error: err.message })
-  }
-})
-
-module.exports = router
--- a/routes/vote.routes.js
+++ b/routes/vote.routes.js
@ -0,0 +1,35 @@
+const express = require("express")
+const authRequiredMiddleware = require("../middleware/authRequired.middleware")
+const authOptionalMiddleware = require("../middleware/authOptional.middleware")
+const voteService = require("../services/vote.service")
+const {mapVoteRequestToVoteInput,mapVoteResultToResponse}=require("../adapters/responses/vote.adapter")
+const router = express.Router()
+
+
+router.post("/", authRequiredMiddleware
+, async (req, res) => {
+  try {
+    const input = mapVoteRequestToVoteInput(req);
+    const result = await voteService.voteDeal(input);
+    res.json(result);
+  } catch (err) {
+    const status = err.statusCode || 500;
+    res.status(status).json({ message: err.message || "Sunucu hatası" });
+  }
+});
+// Belirli deal için oyları çek
+router.get("/:dealId", async (req, res) => {
+  try {
+    const dealId = Number(req.params.dealId)
+    if (isNaN(dealId) || dealId <= 0)
+      return res.status(400).json({ error: "Geçersiz dealId" })
+
+    const data = await voteService.getVotes(dealId)
+    res.json(data)
+  } catch (err) {
+    console.error(err)
+    res.status(500).json({ error: "Sunucu hatası" })
+  }
+})
+
+module.exports = router
--- a/server.js
+++ b/server.js
@ -3,15 +3,16 @@ const cors = require("cors")
 require("dotenv").config()

 const userRoutesneedRefactor = require("./routes/user.routes")
-const dealRoutes = require("./routes/deal/deal.routes")
+const dealRoutes = require("./routes/deal.routes")
 const authRoutes = require("./routes/auth.routes")
-const dealVoteRoutes = require("./routes/deal/vote.routes")
-const commentRoutes = require("./routes/deal/comment.routes")
-const accountSettingsRoutes = require("./routes/account/accountSettings.routes")
-const userRoutes = require("./routes/user/user.routes")
-const sellerRoutes = require("./routes/seller/seller.routes")
-
+const dealVoteRoutes = require("./routes/vote.routes")
+const commentRoutes = require("./routes/comment.routes")
+const accountSettingsRoutes = require("./routes/accountSettings.routes")
+const userRoutes = require("./routes/user.routes")
+const sellerRoutes = require("./routes/seller.routes")
+const voteRoutes=require("./routes/vote.routes")
 const app = express()
+
 app.use(cors())
 app.use(express.json())
 app.use(express.urlencoded({ extended: true }))
@ -24,4 +25,6 @@ app.use("/api/comments", commentRoutes)
 app.use("/api/account", accountSettingsRoutes)
 app.use("/api/user", userRoutes)
 app.use("/api/seller", sellerRoutes)
+app.use("/api/vote", voteRoutes)
+
 app.listen(3000, () => console.log("Server running on http://localhost:3000"))
--- a/services/auth.service.js
+++ b/services/auth.service.js
@ -0,0 +1,85 @@
+const bcrypt = require("bcryptjs");
+const generateToken  = require("../utils/generateToken");
+const authDb = require("../db/auth.db");
+
+async function login({ email, password }) {
+  const user = await authDb.findUserByEmail(email);
+
+  if (!user) {
+    const err = new Error("Kullanıcı bulunamadı.");
+    err.statusCode = 400;
+    throw err;
+  }
+
+  const isMatch = await bcrypt.compare(password, user.passwordHash);
+  if (!isMatch) {
+    const err = new Error("Şifre hatalı.");
+    err.statusCode = 401;
+    throw err;
+  }
+
+  const token = generateToken(user.id);
+
+  return {
+    token,
+    user: {
+      id: user.id,
+      username: user.username,
+      email: user.email,
+      avatarUrl: user.avatarUrl,
+    },
+  };
+}
+
+async function register({ username, email, password }) {
+  const existingUser = await authDb.findUserByEmail(email);
+  if (existingUser) {
+    const err = new Error("Bu e-posta zaten kayıtlı.");
+    err.statusCode = 400;
+    throw err;
+  }
+
+  const passwordHash = await bcrypt.hash(password, 10);
+
+  const user = await authDb.createUser({
+    username,
+    email,
+    passwordHash,
+  });
+
+  const token = generateToken(user.id);
+
+  return {
+    token,
+    user: {
+      id: user.id,
+      username: user.username,
+      email: user.email,
+      avatarUrl: user.avatarUrl ?? null,
+    },
+  };
+}
+
+async function getMe(userId) {
+  const user = await authDb.findUserById(userId, {
+    select: {
+      id: true,
+      username: true,
+      email: true,
+      avatarUrl: true,
+    },
+  });
+
+  if (!user) {
+    const err = new Error("Kullanıcı bulunamadı");
+    err.statusCode = 404;
+    throw err;
+  }
+
+  return user;
+}
+module.exports = { 
+  login,
+  register,
+  getMe,
+};
--- a/services/account/avatar.service.js
+++ b/services/account/avatar.service.js
@ -1,8 +1,8 @@
 const fs = require("fs")
-const { uploadImage } = require("../uploadImage.service")
-const { validateImage } = require("../../utils/validateImage")
+const { uploadImage } = require("./uploadImage.service")
+const { validateImage } = require("../utils/validateImage")

-const userDB = require("../../db/user.db")
+const userDB = require("../db/user.db")

 async function updateUserAvatar(userId, file) {
  if (!file) {
--- a/services/deal/comment.service.js
+++ b/services/deal/comment.service.js
@ -1,5 +1,6 @@
-const dealDB = require("../../db/deal.db")
-const commentDB = require("../../db/comment.db")
+const dealDB = require("../db/deal.db")
+const commentDB = require("../db/comment.db")
+const prisma = require("../db/client")

 function assertPositiveInt(v, name = "id") {
  const n = Number(v)
@ -8,33 +9,41 @@ function assertPositiveInt(v, name = "id") {
 }

 async function getCommentsByDealId(dealId) {
-  const id = assertPositiveInt(dealId, "dealId")
+  const id = Number(dealId)

  const deal = await dealDB.findDeal({ id })
  if (!deal) throw new Error("Deal bulunamadı.")

-  const include = { user: { select: { username: true, avatarUrl: true } } }
+  const include = { user: { select: { id:true,username: true, avatarUrl: true } } }
  return commentDB.findComments({ dealId: id }, { include })
 }

 async function createComment({ dealId, userId, text }) {
-  const dId = assertPositiveInt(dealId, "dealId")
-  const uId = assertPositiveInt(userId, "userId")
-
  if (!text || typeof text !== "string" || !text.trim())
    throw new Error("Yorum boş olamaz.")

-  const deal = await dealDB.findDeal({ id: dId })
+  const trimmed = text.trim()
+  const include = { user: { select: { username: true, avatarUrl: true } } }
+
+  return prisma.$transaction(async (tx) => {
+    const deal = await dealDB.findDeal({ id: dealId }, {}, tx)
    if (!deal) throw new Error("Deal bulunamadı.")

-  const include = { user: { select: { username: true, avatarUrl: true } } }
-  const data = {
-    text: text.trim(),
-    userId: uId,
-    dealId: dId,
-  }
+    const comment = await commentDB.createComment(
+      { text: trimmed, userId, dealId },
+      { include },
+      tx
+    )

-  return commentDB.createComment(data, { include })
+    await dealDB.updateDeal(
+      { id: dealId },
+      { commentCount: { increment: 1 } },
+      {},
+      tx
+    )
+
+    return comment
+  })
 }

 async function deleteComment(commentId, userId) {
@ -51,6 +60,12 @@ async function deleteComment(commentId, userId) {

  await commentDB.deleteComment({ id: cId })
  return { message: "Yorum silindi." }
+}
+
+async function commentChange(length,dealId){
+
+
+
 }

 module.exports = {
--- a/services/deal.service.js
+++ b/services/deal.service.js
@ -0,0 +1,203 @@
+const dealDB = require("../db/deal.db")
+
+const {  findSellerFromLink,  } = require("./seller.service")
+const { makeDetailWebp, makeThumbWebp } = require("../utils/processImage");
+const { v4: uuidv4 } = require("uuid");
+const {uploadImage}=require("./uploadImage.service")
+
+const dealImageDB = require("../db/dealImage.db");
+
+async function getDeals({ q = "", page = 1, limit = 10, userId = null }) {
+  const skip = (page - 1) * limit
+
+  const queryRaw = (q ?? "").toString().trim()
+  const query =
+    queryRaw === "undefined" || queryRaw === "null" ? "" : queryRaw
+
+  const where =
+    query.length > 0
+      ? {
+          OR: [
+            { title: { contains: query, mode: "insensitive" } },
+            { description: { contains: query, mode: "insensitive" } },
+          ],
+        }
+      : {}
+
+  const [deals, total] = await Promise.all([
+    dealDB.findDeals(where, {
+      skip,
+      take: limit,
+      orderBy: { createdAt: "desc" },
+      include: {
+        seller: { select: { name: true, url: true } },
+        user: { select: { id: true, username: true, avatarUrl: true } },
+        images: {
+          orderBy: { order: "asc" },
+          take: 1,
+          select: { imageUrl: true },
+        },
+      },
+    }),
+    dealDB.countDeals(where),
+  ])
+
+  // auth yoksa myVote=0
+  if (!userId) {
+    return {
+      page,
+      total,
+      totalPages: Math.ceil(total / limit),
+      results: deals.map((d) => ({ ...d, myVote: 0 })),
+    }
+  }
+
+  const dealIds = deals.map((d) => d.id)
+
+  const votes = await dealDB.findVotes(
+    { userId, dealId: { in: dealIds } },
+    { select: { dealId: true, voteType: true } }
+  )
+
+  const voteByDealId = new Map(votes.map((v) => [v.dealId, v.voteType]))
+
+  return {
+    page,
+    total,
+    totalPages: Math.ceil(total / limit),
+    results: deals.map((d) => ({
+      ...d,
+      myVote: voteByDealId.get(d.id) ?? 0,
+    })),
+  }
+}
+
+
+
+async function getDealById(id) {
+  const deal=await dealDB.findDeal(
+    { id: Number(id) },
+    {
+      include: {
+        seller:{
+          select: {
+            name:true,
+            url:true
+          },
+        },
+        user: {
+          select: {
+            id: true,
+            username: true,
+            avatarUrl: true,
+          },
+        },
+        seller: {
+          select: {
+            id: true,
+            name: true,
+          },
+        },
+        images: {
+          orderBy: { order: "asc" },
+          select: {
+            id: true,
+            imageUrl: true,
+            order: true,
+          },
+        },
+        comments: {
+          orderBy: { createdAt: "desc" },
+          select: {
+            id: true,
+            text: true,
+            createdAt: true,
+            user: {
+              select: {
+                id: true,
+                username: true,
+                avatarUrl: true,
+              },
+            },
+          },
+        },
+        _count: {
+          select: {
+            comments: true,
+          },
+        },
+      },
+    }
+  )
+
+  return deal
+}
+
+
+async function createDeal(dealCreateData, files = []) {
+  // seller bağlama
+  if (dealCreateData.url) {
+    const seller = await findSellerFromLink(dealCreateData.url);
+    if (seller) {
+      dealCreateData.seller = { connect: { id: seller.id } };
+      dealCreateData.customSeller = null;
+    }
+  }
+
+  // 1) Deal oluştur
+  const deal = await dealDB.createDeal(dealCreateData);
+
+  // 2) Önce image işle + upload
+  const rows = [];
+
+  for (let i = 0; i < files.length && i < 5; i++) {
+    const file = files[i];
+    const order = i;
+
+    const key = uuidv4();
+    const basePath = `deals/${deal.id}/${key}`;
+    const detailPath = `${basePath}_detail.webp`;
+    const thumbPath = `${basePath}_thumb.webp`;
+    const BUCKET="deal";
+
+    const detailBuffer = await makeDetailWebp(file.buffer);
+    const detailUrl = await uploadImage({
+      bucket: BUCKET,
+      path: detailPath,
+      fileBuffer: detailBuffer,
+      contentType: "image/webp",
+    });
+
+    if (order === 0) {
+      const thumbBuffer = await makeThumbWebp(file.buffer);
+      await uploadImage({
+        bucket: BUCKET,
+        path: thumbPath,
+        fileBuffer: thumbBuffer,
+        contentType: "image/webp",
+      });
+    }
+
+    rows.push({ dealId: deal.id, order, imageUrl: detailUrl });
+  }
+
+  // 3) Uploadlar bitti -> DB’de tek seferde yaz
+  if (rows.length > 0) {
+    await dealImageDB.createManyDealImages(rows);
+  }
+
+  // 4) Deal + images dön
+  return dealDB.getDealWithImages(deal.id);
+}
+
+
+
+
+
+
+
+module.exports = {
+  getDeals,
+  getDealById,
+  createDeal,
+}
--- a/services/deal/deal.service.js
+++ b/services/deal/deal.service.js
@ -1,187 +0,0 @@
-const dealDB = require("../../db/deal.db")
-const { mapDealToDealCardResponse } = require("../../adapters/responses/dealCard.adapter")
-const { mapDealToDealDetailResponse } = require("../../adapters/responses/dealDetail.adapter")
-const {
-  findCompanyFromLink,
-} = require("../seller/seller.service")
-
-
-async function searchDeals(query, page = 1, limit = 10) {
-  const skip = (page - 1) * limit
-  const where = {
-    OR: [
-      { title: { contains: query, mode: "insensitive" } },
-      { description: { contains: query, mode: "insensitive" } },
-    ],
-  }
-
-  const [deals, total] = await Promise.all([
-    dealDB.findDeals(where, {
-      skip,
-      take: limit,
-      orderBy: { createdAt: "desc" },
-      include: {
-        company:{select:{name:true}},
-        user: { select: {id:true,username: true } },
-        images: {
-          orderBy: { order: "asc" },
-          take: 1,
-          select: { imageUrl: true },
-        },
-        
-      },
-    }),
-    dealDB.countDeals(where),
-  ])
-
-  return {
-    page,
-    total,
-    totalPages: Math.ceil(total / limit),
-    results: deals.map(mapDealToDealCardResponse),
-  }
-}
-
-async function getAllDeals(page = 1, limit = 10) {
-  const skip = (page - 1) * limit
-
-  const [deals, total] = await Promise.all([
-    dealDB.findDeals({}, {
-      skip,
-      take: limit,
-      orderBy: { createdAt: "desc" },
-      include: {
-        company:{select:{name:true}},
-        user: { select: { id:true,username: true } },
-        images: {
-          orderBy: { order: "asc" },
-          take: 1,
-          select: { imageUrl: true },
-        },
-      },
-    }),
-    dealDB.countDeals(),
-  ])
-
-  return {
-    page,
-    total,
-    totalPages: Math.ceil(total / limit),
-    results: deals.map(mapDealToDealCardResponse),
-  }
-}
-
-async function getDealById(id) {
-  const deal=await dealDB.findDeal(
-    { id: Number(id) },
-    {
-      include: {
-        company:{
-          select: {
-            name:true,
-            url:true
-          },
-        },
-        user: {
-          select: {
-            id: true,
-            username: true,
-            avatarUrl: true,
-          },
-        },
-        company: {
-          select: {
-            id: true,
-            name: true,
-          },
-        },
-        images: {
-          orderBy: { order: "asc" },
-          select: {
-            id: true,
-            imageUrl: true,
-            order: true,
-          },
-        },
-        comments: {
-          orderBy: { createdAt: "desc" },
-          select: {
-            id: true,
-            text: true,
-            createdAt: true,
-            user: {
-              select: {
-                id: true,
-                username: true,
-                avatarUrl: true,
-              },
-            },
-          },
-        },
-        _count: {
-          select: {
-            comments: true,
-          },
-        },
-      },
-    }
-  )
-
-  return mapDealToDealDetailResponse(deal)
-}
-
-
-async function createDeal(dealCreateData) {
-  // 🔴 SADECE link varsa bak
-  if (dealCreateData.url) {
-    const company = await findCompanyFromLink(
-      dealCreateData.url
-    )
-
-    if (company) {
-      dealCreateData.company = {
-        connect: { id: company.id },
-      }
-      dealCreateData.customCompany = null
-    }
-  }
-
-  return dealDB.createDeal(dealCreateData, {
-    include: { images: true },
-  })
-}
-
-async function voteDeal(dealId, userId, voteType) {
-  if (!dealId || !userId || !voteType) throw new Error("Eksik veri")
-
-  const existingVote = await dealDB.findVotes({ dealId, userId })
-  const vote = existingVote[0]
-
-  if (vote) {
-    await dealDB.updateVote({ id: vote.id }, { voteType })
-  } else {
-    await dealDB.createVote({ dealId, userId, voteType })
-  }
-
-  const upvotes = await dealDB.countVotes({ dealId, voteType: "UP" })
-  const downvotes = await dealDB.countVotes({ dealId, voteType: "DOWN" })
-  const score = upvotes - downvotes
-
-  await dealDB.updateDeal({ id: dealId }, { score })
-  return score
-}
-
-async function getVotes(dealId) {
-  const upvotes = await dealDB.countVotes({ dealId: Number(dealId), voteType: "UP" })
-  const downvotes = await dealDB.countVotes({ dealId: Number(dealId), voteType: "DOWN" })
-  return { upvotes, downvotes, score: upvotes - downvotes }
-}
-
-module.exports = {
-  getAllDeals,
-  getDealById,
-  createDeal,
-  voteDeal,
-  getVotes,
-  searchDeals,
-}
--- a/services/profile/profile.service.js
+++ b/services/profile/profile.service.js
@ -1,4 +1,4 @@
-const userDb = require("../../db/user.db")
+const userDb = require("../db/user.db")

 function assertPositiveInt(v, name = "id") {
  const n = Number(v)
--- a/services/seller/seller.service.js
+++ b/services/seller/seller.service.js
@ -1,11 +1,11 @@
-// services/company/companyService.js
-const { findCompanyByDomain } = require("../../db/seller.db")
+// services/seller/sellerService.js
+const { findSellerByDomain } = require("../db/seller.db")

 function normalizeDomain(hostname) {
  return hostname.replace(/^www\./, "")
 }

-async function findCompanyFromLink(url) {
+async function findSellerFromLink(url) {
  let hostname

  try {
@ -16,17 +16,17 @@ async function findCompanyFromLink(url) {

  const domain = normalizeDomain(hostname)

-  const company = await findCompanyByDomain(domain)
-  if (company) {
-    return company
+  const seller = await findSellerByDomain(domain)
+  if (seller) {
+    return seller
  }

  const domainParts = domain.split(".")
  for (let i = 1; i <= domainParts.length - 2; i += 1) {
    const parentDomain = domainParts.slice(i).join(".")
-    const parentCompany = await findCompanyByDomain(parentDomain)
-    if (parentCompany) {
-      return parentCompany
+    const parentSeller = await findSellerByDomain(parentDomain)
+    if (parentSeller) {
+      return parentSeller
    }
  }

@ -34,5 +34,5 @@ async function findCompanyFromLink(url) {
 }

 module.exports = {
-  findCompanyFromLink,
+  findSellerFromLink,
 }
--- a/services/supabase/supabaseUpload.service.js
+++ b/services/supabase/supabaseUpload.service.js
--- a/services/user.service.js
+++ b/services/user.service.js
@ -0,0 +1,60 @@
+// services/user.service.js
+const userDB = require("../db/user.db")
+const dealDB = require("../db/deal.db")
+const commentDB = require("../db/comment.db")
+
+async function getUserProfileByUsername(userName) {
+  const username = String(userName).trim()
+  if (!username) throw new Error("username zorunlu")
+
+  const user = await userDB.findUser(
+    { username },
+    { select: { id: true, username: true, avatarUrl: true, createdAt: true } }
+  )
+
+  if (!user) {
+    const err = new Error("Kullanıcı bulunamadı.")
+    err.statusCode = 404
+    throw err
+  }
+
+    const [dealAgg, totalComments, deals, comments] = await Promise.all([
+      dealDB.aggregateDeals({ userId: user.id }),
+      commentDB.countComments({ userId: user.id }),
+      dealDB.findDeals(
+        { userId: user.id },
+        {
+          orderBy: { createdAt: "desc" },
+          take: 20,
+          include: {
+            user: { select: { id: true, username: true, avatarUrl: true } },
+            seller: { select: { name: true, url: true } },
+            images: { orderBy: { order: "asc" }, take: 1, select: { imageUrl: true } },
+          },
+        }
+      ),
+      commentDB.findComments(
+        { userId: user.id },
+        {
+          orderBy: { createdAt: "desc" },
+          take: 20,
+          include: {
+            user: { select: { id: true, username: true, avatarUrl: true } },
+            deal: { select: { id: true, title: true } },
+          },
+        }
+      ),
+    ])
+
+    const stats = {
+      totalLikes: dealAgg?._sum?.score ?? 0,
+      totalComments: totalComments ?? 0,
+      totalShares: dealAgg?._count?._all ?? 0,
+    }
+
+
+    return { user, stats, deals, comments }
+
+    }
+
+module.exports = { getUserProfileByUsername }
--- a/services/vote.service.js
+++ b/services/vote.service.js
@ -0,0 +1,19 @@
+const voteDb = require("../db/vote.db");
+
+async function voteDeal({ dealId, userId, voteType }) {
+  if (!dealId || !userId || voteType === undefined) {
+    const err = new Error("Eksik veri");
+    err.statusCode = 400;
+    throw err;
+  }
+
+  if (![ -1, 0, 1 ].includes(voteType)) {
+    const err = new Error("voteType -1, 0 veya 1 olmalı");
+    err.statusCode = 400;
+    throw err;
+  }
+
+  return voteDb.voteDealTx({ dealId, userId, voteType });
+}
+
+module.exports = { voteDeal };
--- a/utils/processImage.js
+++ b/utils/processImage.js
@ -0,0 +1,19 @@
+const sharp = require("sharp");
+
+async function makeDetailWebp(inputBuffer) {
+  return sharp(inputBuffer)
+    .rotate()
+    .resize({ width: 1200, withoutEnlargement: true })
+    .webp({ quality: 80 })
+    .toBuffer();
+}
+
+async function makeThumbWebp(inputBuffer) {
+  return sharp(inputBuffer)
+    .rotate()
+    .resize({ width: 400, withoutEnlargement: true })
+    .webp({ quality: 75 })
+    .toBuffer();
+}
+
+module.exports = { makeDetailWebp, makeThumbWebp };