Add full project files

models/OfferModel.js

@@ -0,0 +1,32 @@
+const mongoose = require('mongoose')
+const mongoosePaginate = require('mongoose-paginate-v2')
+const timestamp = require('mongoose-timestamp')
+
+const offerSchema = new mongoose.Schema({
+  sender: {
+    type: mongoose.Schema.Types.ObjectId,
+    ref: 'User',
+    required: true
+  },
+  receiver: {
+    type: mongoose.Schema.Types.ObjectId,
+    ref: 'User',
+    required: true
+  },
+  status: {
+    type: String,
+    enum: ['pending', 'accepted', 'rejected'], // وضعیت درخواست
+    default: 'pending'
+  },
+  transaction_id: {
+    type: mongoose.Schema.Types.ObjectId,
+    ref: 'Payment',
+    default: null
+  }
+})
+
+offerSchema.plugin(timestamp)
+offerSchema.plugin(mongoosePaginate)
+
+const OfferModel = mongoose.model('Offer', offerSchema)
+module.exports = OfferModel