update

server/routers/procurement/models/Activity.js

@@ -0,0 +1,61 @@
+const mongoose = require('mongoose');
+
+const activitySchema = new mongoose.Schema({
+  companyId: {
+    type: String,
+    required: true,
+    index: true
+  },
+  userId: {
+    type: String,
+    required: true
+  },
+  type: {
+    type: String,
+    enum: [
+      'message_received',
+      'message_sent',
+      'request_received',
+      'request_sent',
+      'request_response',
+      'product_accepted',
+      'review_received',
+      'profile_updated',
+      'product_added',
+      'buy_product_added'
+    ],
+    required: true
+  },
+  title: {
+    type: String,
+    required: true
+  },
+  description: {
+    type: String
+  },
+  relatedCompanyId: {
+    type: String
+  },
+  relatedCompanyName: {
+    type: String
+  },
+  metadata: {
+    type: mongoose.Schema.Types.Mixed
+  },
+  read: {
+    type: Boolean,
+    default: false
+  },
+  createdAt: {
+    type: Date,
+    default: Date.now,
+    index: true
+  }
+});
+
+// Индексы для оптимизации
+activitySchema.index({ companyId: 1, createdAt: -1 });
+activitySchema.index({ companyId: 1, read: 1, createdAt: -1 });
+
+module.exports = mongoose.model('Activity', activitySchema);
+