continuing to connect models and services

models/CartProductModel.js

@@ -3,18 +3,51 @@ const pgp = require('pg-promise')({ capSQL: true });
 
 module.exports = class CartProductModel {
     async create(data) {
-
+        try {
+            const statement = pgp.helpers.insert(data, null, 'products_orders') + 'RETURNING *';
+            const result = await db.query(statement);
+            if (result.rows.length) return result.rows[0];
+            return null;
+        } catch(e) {
+            throw new Error(e);
+        }
     }
 
     async find(cartid) {
-
+        try {
+            const statement = "SELECT * FROM products_orders WHERE cartid = $1";
+            const values = [cartid];
+            const result = await db.query(statement, values);
+            if (result.rows.length) return result.rows[0];
+            return [];
+        } catch(e) {
+            throw new Error(e);
+        }
     }
 
     async update(data) {
+        const { id } = data;
 
+        try {
+            const condition = pgp.as.format("WHERE id = $1", [id]);
+            const statement = pgp.helpers.update(data, null, 'products_orders') + condition;
+            const result = await db.query(statement);
+            if (result.rows.length) return result.rows[0];
+            return null;
+        } catch(e) {
+            throw new Error(e);
+        }
     }
 
     async delete(productid) {
-
+        try {
+            const statement = "DELETE FROM products_orders WHERE id = $1 RETURNING *";
+            const values = [productid];
+            const result = await db.query(statement, values);
+            if (result.rows.length) return result.rows[0];
+            return null;
+        } catch(e) {
+            throw new Error(e);
+        }
     }
 }

models/OrderModel.js

@@ -1,17 +1,44 @@
-module.exports = class OrderModel {
-    async create() {
+const db = require('../db/Pool');
+const pgp = require('pg-promise')({ capSQL: true });
 
+/**
+ * TODO: conceptualize and implement order lifecycle, from not submitted,
+ * to submitted/not shipped, to shipped and pending, to delivered?
+**/
+
+module.exports = class OrderModel {
+    async create(userid) {
+        try {
+            const statement = pgp.helpers.insert(userid, null, 'orders') + 'RETURNING *';
+            const result = await db.query(statement);
+            if (result.rows.length) return result.rows[0];
+            return null;
+        } catch(e) {
+            throw new Error(e);
+        }
     }
 
     async update(data) {
+        try {
 
+        } catch(e) {
+            throw new Error(e);
+        }
     }
 
     async findByUser(userid) {
+        try {
 
+        } catch(e) {
+            throw new Error(e);
+        }
     }
 
     async findByOrderId(orderid) {
-        
+        try {
+
+        } catch(e) {
+            throw new Error(e);
+        }
     }
 }