feat: Remove outdated migration

models/blogComment.js

@@ -0,0 +1,84 @@
+const mongoose = require('mongoose');
+
+const blogCommentSchema = new mongoose.Schema({
+  postId: {
+    type: mongoose.Schema.Types.ObjectId,
+    ref: 'Blog',
+    required: true
+  },
+  authorName: {
+    type: String,
+    required: true,
+    trim: true // "Frank Flores"
+  },
+  authorAvatar: {
+    type: String,
+    default: '' // "/assets/img/inner-page/news-details/comment-1.png"
+  },
+  content: {
+    type: String,
+    required: true,
+    trim: true
+  },
+  parentId: {
+    type: mongoose.Schema.Types.ObjectId,
+    ref: 'BlogComment',
+    default: null // Cho threaded comments (reply)
+  },
+  status: {
+    type: String,
+    enum: ['pending', 'approved', 'rejected'],
+    default: 'pending'
+  }
+}, {
+  timestamps: true // Vẫn giữ timestamps cho admin quản lý
+});
+
+// Indexes
+blogCommentSchema.index({ postId: 1, status: 1, createdAt: -1 });
+blogCommentSchema.index({ parentId: 1 });
+blogCommentSchema.index({ status: 1 });
+
+// Remove __v from JSON output
+blogCommentSchema.set('toJSON', {
+  transform: function(doc, ret) {
+    delete ret.__v;
+    return ret;
+  }
+});
+
+// Static methods
+blogCommentSchema.statics.getApprovedByPost = function(postId) {
+  return this.find({ 
+    postId: postId,
+    status: 'approved',
+    parentId: null // Chỉ lấy comments gốc, không lấy replies
+  }).sort({ createdAt: -1 });
+};
+
+blogCommentSchema.statics.getReplies = function(parentId) {
+  return this.find({ 
+    parentId: parentId,
+    status: 'approved'
+  }).sort({ createdAt: 1 }); // Replies sắp xếp theo thời gian tăng dần
+};
+
+blogCommentSchema.statics.getByStatus = function(status) {
+  return this.find({ status: status })
+    .populate('postId', 'title slug')
+    .sort({ createdAt: -1 });
+};
+
+// Method to approve comment
+blogCommentSchema.methods.approve = function() {
+  this.status = 'approved';
+  return this.save();
+};
+
+// Method to reject comment
+blogCommentSchema.methods.reject = function() {
+  this.status = 'rejected';
+  return this.save();
+};
+
+module.exports = mongoose.model('BlogComment', blogCommentSchema);