Initial commit

controllers/application/posts/postController.js

@@ -184,9 +184,89 @@ const getUserPostsWeb = async (req, res, next) => {
   }
 }
 
+const getPostByIdWeb = async (req, res, next) => {
+  try {
+    const { postId } = req.params
+
+    if (!mongoose.Types.ObjectId.isValid(postId)) {
+      return res.status(400).json({ message: 'شناسه پست معتبر نیست' })
+    }
+
+    let userReqId = null
+    const authHeader = req.header('Authorization')
+    if (authHeader) {
+      const token = authHeader.split(' ')[1]
+      try {
+        const decodedToken = jwt.verify(token, process.env.APP_SECRET)
+        userReqId = decodedToken.id
+      } catch (err) {
+        console.warn('توکن نامعتبر است، ادامه بدون احراز هویت')
+      }
+    }
+
+    const post = await PostModel.findById(postId).lean()
+    if (!post || post.status !== 'accept') {
+      return res.status(404).json({ message: 'پست یافت نشد' })
+    }
+
+    const user = await UserModel.findById(post.user_id)
+      .select(
+        '_id user_name first_name last_name expertise sub_expertise province city user_level show_location profile_image blocked_users'
+      )
+      .lean()
+
+    if (!user) {
+      return res.status(404).json({ message: 'پست یافت نشد' })
+    }
+
+    if (userReqId && viewerIsBlockedBy(user, userReqId)) {
+      return res.status(404).json({ message: 'پست یافت نشد' })
+    }
+
+    const LikeModel = require('../../../models/LikeModel')
+    const CommentModel = require('../../../models/CommentModel')
+
+    let is_liked = false
+    if (userReqId) {
+      const like = await LikeModel.findOne({
+        userId: userReqId,
+        postId: post._id,
+      }).lean()
+      is_liked = !!like
+    }
+
+    const commentsCount = await CommentModel.countDocuments({
+      post: post._id,
+      status: 'accepted',
+    })
+
+    return res.status(200).json({
+      post: {
+        ...post,
+        user_name: user.user_name || '',
+        first_name: user.first_name || '',
+        last_name: user.last_name || '',
+        expertise: user.expertise || '',
+        sub_expertise: user.sub_expertise || [],
+        province: user.show_location ? user.province || {} : {},
+        city: user.show_location ? user.city || {} : {},
+        show_location: user.show_location,
+        user_level: user.user_level || '',
+        profile_image: user.profile_image || '',
+        likesCount: post.likes ? post.likes.length : 0,
+        is_liked,
+        commentsCount,
+      },
+    })
+  } catch (error) {
+    next(error)
+  }
+}
+
 module.exports = {
   createPostValidationRules,
   createPost,
   getUserPosts,
-  getUserPostsWeb
+  getUserPostsWeb,
+  getPostByIdWeb
 }