Merge pull request #17 from adityashirsatrao007/feature/subscription-model

feat: design and implement core subscription model

Author: ShubhamKumarSahu-svg

server/.env.example

@@ -1,5 +1,5 @@
 # MongoDB
-MONGO_URI=
+MONGODB_URI=mongodb://localhost:27017/subsentry
 
 # Server
 PORT=5000

server/src/models/Subscription.js

@@ -0,0 +1,68 @@
+import mongoose from 'mongoose';
+
+const subscriptionSchema = new mongoose.Schema(
+  {
+    name: {
+      type: String,
+      required: [true, 'Subscription name is required'],
+      trim: true,
+    },
+    price: {
+      type: Number,
+      required: [true, 'Price is required'],
+      min: [0, 'Price cannot be negative'],
+    },
+    currency: {
+      type: String,
+      default: 'USD',
+      uppercase: true,
+    },
+    billingCycle: {
+      type: String,
+      required: [true, 'Billing cycle is required'],
+      enum: {
+        values: ['monthly', 'yearly', 'weekly'],
+        message: '{VALUE} is not a supported billing cycle',
+      },
+      lowercase: true,
+    },
+    category: {
+      type: String,
+      trim: true,
+    },
+    startDate: {
+      type: Date,
+      default: Date.now,
+    },
+    nextBillingDate: {
+      type: Date,
+    },
+    status: {
+      type: String,
+      enum: ['active', 'cancelled', 'paused'],
+      default: 'active',
+      lowercase: true,
+    },
+    userClerkId: {
+      type: String,
+      required: [true, 'User ownership (Clerk ID) is required'],
+      index: true,
+    },
+    source: {
+      type: String,
+      enum: ['manual', 'email'],
+      default: 'manual',
+      lowercase: true,
+    },
+  },
+  {
+    timestamps: true,
+  }
+);
+
+// Add index for common queries
+subscriptionSchema.index({ userClerkId: 1, status: 1 });
+
+const Subscription = mongoose.model('Subscription', subscriptionSchema);
+
+export default Subscription;