Add full project files

models/MessageModel.js

@@ -0,0 +1,51 @@
+const mongoose = require('mongoose')
+const { Schema } = mongoose
+
+const messageSchema = new Schema({
+  senderId: {
+    type: mongoose.Schema.Types.ObjectId,
+    ref: 'User',
+    required: true
+  },
+  receiverId: {
+    type: mongoose.Schema.Types.ObjectId,
+    ref: 'User',
+    required: true
+  },
+  content: {
+    type: String,
+    required: false,
+    trim: true
+  },
+  file: {
+    type: String,
+    required: false
+  },
+  fileType: {
+    type: String,
+    enum: ['image', 'video', 'file', 'voice', 'location'],
+    required: false
+  },
+  replyToId: {
+    type: mongoose.Schema.Types.ObjectId,
+    ref: 'Message',
+    required: false
+  },
+  forwardedFrom: {
+    userId: { type: mongoose.Schema.Types.ObjectId, ref: 'User' },
+    userName: String,
+    displayName: String
+  },
+  createdAt: {
+    type: Date,
+    default: Date.now
+  },
+  readStatus: {
+    type: Number,
+    default: 0
+  }
+})
+
+const MessageModel = mongoose.model('Message', messageSchema)
+
+module.exports = MessageModel