Initial commit

controllers/application/academy/academyControllers.js

@@ -1395,12 +1395,28 @@ const createComment = async (req, res) => {
       });
     }
 
+    const parsedRate = Number(rate) || 0;
+    const existingRatedComment = await CourseComment.findOne({
+      user_id: userId,
+      course_id,
+      rate: { $gt: 0 },
+    });
+
+    if (existingRatedComment && parsedRate > 0) {
+      return res.status(400).json({
+        error: true,
+        message: "شما قبلاً به این دوره امتیاز داده‌اید.",
+      });
+    }
+
+    const finalRate = existingRatedComment ? 0 : parsedRate;
+
     // ایجاد کامنت جدید
     const newComment = await CourseComment.create({
       user_id: userId,
       course_id: course_id,
       comment: comment,
-      rate: rate || 0,
+      rate: finalRate,
       status: "accepted", // با توجه به مدل شما که default: 'accepted' است
     });
 
@@ -4184,6 +4200,84 @@ const getFeatured = async (req, res) => {
 };
 
 
+const getFreeAcademyExploreContent = async (req, res, next) => {
+  try {
+    const page = parseInt(req.query.page, 10) || 1;
+    const limit = parseInt(req.query.limit, 10) || 15;
+    const skip = (page - 1) * limit;
+
+    const query = { is_free: true, status: "accept" };
+    const totalItems = await AcademyContentModel.countDocuments(query);
+    const contents = await AcademyContentModel.find(query)
+      .sort({ createdAt: -1 })
+      .skip(skip)
+      .limit(limit)
+      .lean();
+
+    const courseIds = [
+      ...new Set(contents.map((item) => item.courseId).filter(Boolean)),
+    ];
+    const courses = courseIds.length
+      ? await CourseModel.find({ _id: { $in: courseIds } })
+          .select(
+            "cuorse_name course_image teacher_name academyId user_id caption likes"
+          )
+          .lean()
+      : [];
+    const courseMap = Object.fromEntries(
+      courses.map((course) => [String(course._id), course])
+    );
+
+    const userIds = [
+      ...new Set(courses.map((course) => String(course.user_id)).filter(Boolean)),
+    ];
+    const users = userIds.length
+      ? await UserModel.find({ _id: { $in: userIds } })
+          .select("user_name first_name last_name profile_image")
+          .lean()
+      : [];
+    const userMap = Object.fromEntries(
+      users.map((user) => [String(user._id), user])
+    );
+
+    const items = contents.map((content) => {
+      const course = courseMap[String(content.courseId)] || {};
+      const user = userMap[String(course.user_id)] || {};
+      return {
+        ...content,
+        course_name: course.cuorse_name || content.file_name || "",
+        course_image: course.course_image || "",
+        teacher_name: course.teacher_name || "",
+        academyId: course.academyId || "",
+        user_name: user.user_name || "",
+        first_name: user.first_name || "",
+        last_name: user.last_name || "",
+        profile_image: user.profile_image || "",
+        likesCount: Array.isArray(course.likes) ? course.likes.length : 0,
+      };
+    });
+
+    const totalPages = Math.ceil(totalItems / limit) || 1;
+
+    return res.status(200).json({
+      success: true,
+      data: {
+        items,
+        pagination: {
+          currentPage: page,
+          totalPages,
+          totalItems,
+          hasNextPage: page < totalPages,
+        },
+      },
+    });
+  } catch (error) {
+    console.error("Error in getFreeAcademyExploreContent:", error);
+    next(error);
+  }
+};
+
+
 module.exports = {
   // ==========================================
   // 🏢 ماژول آکادمی (Academy)
@@ -4234,6 +4328,9 @@ module.exports = {
   
   // دریافت لیست همه دوره‌ها با فیلتر و جستجو
   getCourses,
+
+  // محتوای رایگان آموزشگاه برای اکسپلور
+  getFreeAcademyExploreContent,
   
   // دریافت دوره‌های یک آکادمی خاص
   getAcademyCourse,