Feature: First version of the REST API done

app/models/entry.js

@@ -0,0 +1,20 @@
+var mongoose    = require('mongoose'),
+    Schema      = mongoose.Schema,
+    ObjectId    = Schema.Types.ObjectId;
+    
+var DEBIT   = 'D',
+    BILL    = 'B';
+    
+var EntrySchema = new Schema({
+    account_id: {type: ObjectId, ref: 'Category', required: true},
+    category: {type: ObjectId, ref: 'Account', required: false},
+    sub_category: {type: ObjectId, required: false},
+    label: {type: String, required:false},
+    type: {type: String, required: true},
+    amount: {type: Number, required: true},
+    date: {type: Date, required: true}, 
+    created_at:  {type: Date, default: Date.now}
+});
+
+var Entry = mongoose.model('Entry', EntrySchema);
+module.exports = Entry;