From 6ed046ae7292d373a5599ac59b83521b9b45d975 Mon Sep 17 00:00:00 2001 From: mhallaq Date: Wed, 22 Feb 2023 10:03:40 +0000 Subject: [PATCH 01/11] initial api setup --- 2-api/.gitignore | 1 + 2-api/package.json | 14 + 2-api/yarn.lock | 711 +++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 726 insertions(+) create mode 100644 2-api/.gitignore create mode 100644 2-api/package.json create mode 100644 2-api/yarn.lock diff --git a/2-api/.gitignore b/2-api/.gitignore new file mode 100644 index 00000000..40b878db --- /dev/null +++ b/2-api/.gitignore @@ -0,0 +1 @@ +node_modules/ \ No newline at end of file diff --git a/2-api/package.json b/2-api/package.json new file mode 100644 index 00000000..8a263613 --- /dev/null +++ b/2-api/package.json @@ -0,0 +1,14 @@ +{ + "name": "cyf-ecommerce-api", + "version": "1.0.0", + "main": "server.js", + "author": "Mohammed", + "license": "MIT", + "dependencies": { + "express": "^4.18.2", + "pg": "^8.9.0" + }, + "devDependencies": { + "nodemon": "^2.0.20" + } +} diff --git a/2-api/yarn.lock b/2-api/yarn.lock new file mode 100644 index 00000000..903844c7 --- /dev/null +++ b/2-api/yarn.lock @@ -0,0 +1,711 @@ +# THIS IS AN AUTOGENERATED FILE. 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"https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713" + integrity sha512-pMZTvIkT1d+TFGvDOqodOclx0QWkkgi6Tdoa8gC8ffGAAqz9pzPTZWAybbsHHoED/ztMtkv/VoYTYyShUn81hA== + +vary@~1.1.2: + version "1.1.2" + resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc" + integrity sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg== + +xtend@^4.0.0: + version "4.0.2" + resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.2.tgz#bb72779f5fa465186b1f438f674fa347fdb5db54" + integrity sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ== From ae41d49e574c5d8057daebbeda9a41c4941c7911 Mon Sep 17 00:00:00 2001 From: mhallaq Date: Wed, 22 Feb 2023 10:11:50 +0000 Subject: [PATCH 02/11] add Pool Db connection file --- 2-api/dbConnection.js | 11 +++++++++++ 2-api/package.json | 3 +++ 2 files changed, 14 insertions(+) create mode 100644 2-api/dbConnection.js diff --git a/2-api/dbConnection.js b/2-api/dbConnection.js new file mode 100644 index 00000000..06fd9118 --- /dev/null +++ b/2-api/dbConnection.js @@ -0,0 +1,11 @@ +const Pool = require("pg").Pool; + +const pool = new Pool({ + user: "postgres", + password: "cyf", + host: "localhost", + port: 5432, + database: "cyf_ecommerce", +}); + +module.exports = pool; diff --git a/2-api/package.json b/2-api/package.json index 8a263613..467db316 100644 --- a/2-api/package.json +++ b/2-api/package.json @@ -10,5 +10,8 @@ }, "devDependencies": { "nodemon": "^2.0.20" + }, + "scripts": { + "start": "nodemon server.js" } } From a970712b09bd70b1fb4d61b9532824bca3010f7b Mon Sep 17 00:00:00 2001 From: mhallaq Date: Wed, 22 Feb 2023 10:25:09 +0000 Subject: [PATCH 03/11] add get customers api endpoint --- 2-api/dbConnection.js | 2 +- 2-api/server.js | 18 ++++++++++++++++++ 2 files changed, 19 insertions(+), 1 deletion(-) create mode 100644 2-api/server.js diff --git a/2-api/dbConnection.js b/2-api/dbConnection.js index 06fd9118..57aa441d 100644 --- a/2-api/dbConnection.js +++ b/2-api/dbConnection.js @@ -1,4 +1,4 @@ -const Pool = require("pg").Pool; +const { Pool } = require("pg"); const pool = new Pool({ user: "postgres", diff --git a/2-api/server.js b/2-api/server.js new file mode 100644 index 00000000..1728b818 --- /dev/null +++ b/2-api/server.js @@ -0,0 +1,18 @@ +const express = require("express"); +const pool = require("./dbConnection"); + +const app = express(); + +app.get("/customers", async (req, res) => { + try { + const result = await pool.query("SELECT * FROM customers"); + res.json(result.rows); + } catch (err) { + console.error(err); + res.status(500).json({ error: "Internal Server Error" }); + } +}); + +app.listen(3000, () => { + console.log("Server is listening on port 3000"); +}); From b062be0a52b42396b7342002e0955f290b721f8e Mon Sep 17 00:00:00 2001 From: mhallaq Date: Wed, 22 Feb 2023 11:03:24 +0000 Subject: [PATCH 04/11] add Get products API End-Point --- 2-api/server.js | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/2-api/server.js b/2-api/server.js index 1728b818..82b058a8 100644 --- a/2-api/server.js +++ b/2-api/server.js @@ -3,6 +3,7 @@ const pool = require("./dbConnection"); const app = express(); +// Get All customers End Point app.get("/customers", async (req, res) => { try { const result = await pool.query("SELECT * FROM customers"); @@ -16,3 +17,24 @@ app.get("/customers", async (req, res) => { app.listen(3000, () => { console.log("Server is listening on port 3000"); }); + +//Get All Products or a specific product name End Point + +app.get("/products", async (req, res) => { + try { + const { name } = req.query; + let query = ` + SELECT products.product_name, product_availability.unit_price, suppliers.supplier_name + FROM products + JOIN product_availability ON products.id = product_availability.prod_id + JOIN suppliers ON suppliers.id = product_availability.supp_id + WHERE ($1::text IS NULL OR products.product_name ILIKE $1) + `; + const values = [name ? `%${name}%` : null]; + const result = await pool.query(query, values); + res.json(result.rows); + } catch (error) { + console.error(error); + res.status(500).json({ error: "Something went wrong!" }); + } +}); From a844008f50249b4bd2db1a71b9f01454c80a168e Mon Sep 17 00:00:00 2001 From: mhallaq Date: Wed, 22 Feb 2023 11:16:34 +0000 Subject: [PATCH 05/11] add Get Customer by ID API End-Point --- 2-api/server.js | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/2-api/server.js b/2-api/server.js index 82b058a8..78088784 100644 --- a/2-api/server.js +++ b/2-api/server.js @@ -18,6 +18,26 @@ app.listen(3000, () => { console.log("Server is listening on port 3000"); }); +// Get customer by ID API end point + +app.get("/customers/:customerId", async (req, res) => { + try { + const { customerId } = req.params; + const query = "SELECT * FROM customers WHERE id = $1"; + const result = await pool.query(query, [customerId]); + if (result.rowCount === 0) { + res + .status(404) + .json({ error: `No customer with ID ${customerId} found` }); + } else { + res.json(result.rows[0]); + } + } catch (error) { + console.error(error); + res.status(500).json({ error: "Something went wrong!" }); + } +}); + //Get All Products or a specific product name End Point app.get("/products", async (req, res) => { From e5014f8ea385bd92a768389420f22fcd88a20807 Mon Sep 17 00:00:00 2001 From: mhallaq Date: Wed, 22 Feb 2023 11:33:18 +0000 Subject: [PATCH 06/11] add POST Customer API End-Point --- 2-api/server.js | 28 +++++++++++++++++++++++----- 1 file changed, 23 insertions(+), 5 deletions(-) diff --git a/2-api/server.js b/2-api/server.js index 78088784..0308599e 100644 --- a/2-api/server.js +++ b/2-api/server.js @@ -3,6 +3,8 @@ const pool = require("./dbConnection"); const app = express(); +app.use(express.json()); + // Get All customers End Point app.get("/customers", async (req, res) => { try { @@ -14,10 +16,6 @@ app.get("/customers", async (req, res) => { } }); -app.listen(3000, () => { - console.log("Server is listening on port 3000"); -}); - // Get customer by ID API end point app.get("/customers/:customerId", async (req, res) => { @@ -49,7 +47,7 @@ app.get("/products", async (req, res) => { JOIN product_availability ON products.id = product_availability.prod_id JOIN suppliers ON suppliers.id = product_availability.supp_id WHERE ($1::text IS NULL OR products.product_name ILIKE $1) - `; + `; const values = [name ? `%${name}%` : null]; const result = await pool.query(query, values); res.json(result.rows); @@ -58,3 +56,23 @@ app.get("/products", async (req, res) => { res.status(500).json({ error: "Something went wrong!" }); } }); + +app.post("/customers", async (req, res) => { + try { + const { name, address, city, country } = req.body; + const query = ` + INSERT INTO customers (name, address, city, country) + VALUES ($1, $2, $3, $4) + RETURNING * + `; + const result = await pool.query(query, [name, address, city, country]); + res.status(201).json(result.rows[0]); + } catch (error) { + console.error(error); + res.status(500).json({ error: "Something went wrong!" }); + } +}); + +app.listen(3000, () => { + console.log("Server is listening on port 3000"); +}); From ab76b7bd829c8b1a64390aa6226c198181535144 Mon Sep 17 00:00:00 2001 From: mhallaq Date: Wed, 22 Feb 2023 11:42:27 +0000 Subject: [PATCH 07/11] add POST Products API End-Point --- 2-api/server.js | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/2-api/server.js b/2-api/server.js index 0308599e..3801d98a 100644 --- a/2-api/server.js +++ b/2-api/server.js @@ -57,6 +57,7 @@ app.get("/products", async (req, res) => { } }); +// POST customer API End point app.post("/customers", async (req, res) => { try { const { name, address, city, country } = req.body; @@ -73,6 +74,23 @@ app.post("/customers", async (req, res) => { } }); +// POST product API End point +app.post("/products", async (req, res) => { + try { + const { product_name } = req.body; + const query = ` + INSERT INTO products (product_name) + VALUES ($1) + RETURNING * + `; + const result = await pool.query(query, [product_name]); + res.status(201).json(result.rows[0]); + } catch (error) { + console.error(error); + res.status(500).json({ error: "Something went wrong!" }); + } +}); + app.listen(3000, () => { console.log("Server is listening on port 3000"); }); From e5bdf203dda4965d9267b6edbb713484351c045c Mon Sep 17 00:00:00 2001 From: mhallaq Date: Wed, 22 Feb 2023 12:59:02 +0000 Subject: [PATCH 08/11] add DELETE Orders API End-Point --- 2-api/server.js | 101 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 101 insertions(+) diff --git a/2-api/server.js b/2-api/server.js index 3801d98a..677eeed9 100644 --- a/2-api/server.js +++ b/2-api/server.js @@ -91,6 +91,107 @@ app.post("/products", async (req, res) => { } }); +//POST Customer order End point + +app.post("/customers/:customerId/orders", async (req, res) => { + const customerId = req.params.customerId; + const { order_date, order_reference } = req.body; + + try { + // Check if customer exists + const customer = await pool.query("SELECT * FROM customers WHERE id = $1", [ + customerId, + ]); + if (customer.rows.length === 0) { + return res.status(404).json({ error: "Customer not found." }); + } + + // Insert new order + const query = ` + INSERT INTO orders (order_date, order_reference, customer_id) + VALUES ($1, $2, $3) + RETURNING * + `; + const result = await pool.query(query, [ + order_date, + order_reference, + customerId, + ]); + res.status(201).json(result.rows[0]); + } catch (error) { + console.error(error); + res.status(500).json({ error: "Something went wrong!" }); + } +}); + +// PUT API end point to update Customer Details + +app.put("/customers/:customerId", async (req, res) => { + const customerId = req.params.customerId; + const { name, address, city, country } = req.body; + + try { + // Check if customer exists + const customer = await pool.query("SELECT * FROM customers WHERE id = $1", [ + customerId, + ]); + if (customer.rows.length === 0) { + return res.status(404).json({ error: "Customer not found." }); + } + + // Update customer + const query = ` + UPDATE customers + SET name = $1, address = $2, city = $3, country = $4 + WHERE id = $5 + RETURNING * + `; + const result = await pool.query(query, [ + name, + address, + city, + country, + customerId, + ]); + res.json(result.rows[0]); + } catch (error) { + console.error(error); + res.status(500).json({ error: "Something went wrong!" }); + } +}); + +// DELETE API end point to delete the order and its details + +app.delete("/orders/:orderId", async (req, res) => { + const orderId = req.params.orderId; + try { + // Get order items associated with the order + const orderItems = await pool.query( + "SELECT * FROM order_items WHERE order_id = $1", + [orderId] + ); + const orderItemIds = orderItems.rows.map((item) => item.id); + + // Delete the order and associated order items in a transaction + await pool.query("BEGIN"); + await pool.query("DELETE FROM orders WHERE id = $1", [orderId]); + await pool.query("DELETE FROM order_items WHERE id = ANY($1)", [ + orderItemIds, + ]); + await pool.query("COMMIT"); + + res + .status(200) + .json({ + message: "Order and associated order items deleted successfully.", + }); + } catch (error) { + await pool.query("ROLLBACK"); + console.error(error); + res.status(500).json({ error: "Something went wrong!" }); + } +}); + app.listen(3000, () => { console.log("Server is listening on port 3000"); }); From 1cfada3b313751f38c81b016ada00387df00eb30 Mon Sep 17 00:00:00 2001 From: mhallaq Date: Wed, 22 Feb 2023 13:29:17 +0000 Subject: [PATCH 09/11] add DELETE Orders API End-Point --- 2-api/server.js | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/2-api/server.js b/2-api/server.js index 677eeed9..5c8a8737 100644 --- a/2-api/server.js +++ b/2-api/server.js @@ -174,17 +174,15 @@ app.delete("/orders/:orderId", async (req, res) => { // Delete the order and associated order items in a transaction await pool.query("BEGIN"); - await pool.query("DELETE FROM orders WHERE id = $1", [orderId]); await pool.query("DELETE FROM order_items WHERE id = ANY($1)", [ orderItemIds, ]); + await pool.query("DELETE FROM orders WHERE id = $1", [orderId]); await pool.query("COMMIT"); - res - .status(200) - .json({ - message: "Order and associated order items deleted successfully.", - }); + res.status(200).json({ + message: "Order and associated order items deleted successfully.", + }); } catch (error) { await pool.query("ROLLBACK"); console.error(error); From de8387bc5be1282e360c3501b683295a8ba63f37 Mon Sep 17 00:00:00 2001 From: mhallaq Date: Wed, 22 Feb 2023 13:40:23 +0000 Subject: [PATCH 10/11] add more API End-Point --- 2-api/server.js | 99 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 99 insertions(+) diff --git a/2-api/server.js b/2-api/server.js index 3801d98a..5c8a8737 100644 --- a/2-api/server.js +++ b/2-api/server.js @@ -91,6 +91,105 @@ app.post("/products", async (req, res) => { } }); +//POST Customer order End point + +app.post("/customers/:customerId/orders", async (req, res) => { + const customerId = req.params.customerId; + const { order_date, order_reference } = req.body; + + try { + // Check if customer exists + const customer = await pool.query("SELECT * FROM customers WHERE id = $1", [ + customerId, + ]); + if (customer.rows.length === 0) { + return res.status(404).json({ error: "Customer not found." }); + } + + // Insert new order + const query = ` + INSERT INTO orders (order_date, order_reference, customer_id) + VALUES ($1, $2, $3) + RETURNING * + `; + const result = await pool.query(query, [ + order_date, + order_reference, + customerId, + ]); + res.status(201).json(result.rows[0]); + } catch (error) { + console.error(error); + res.status(500).json({ error: "Something went wrong!" }); + } +}); + +// PUT API end point to update Customer Details + +app.put("/customers/:customerId", async (req, res) => { + const customerId = req.params.customerId; + const { name, address, city, country } = req.body; + + try { + // Check if customer exists + const customer = await pool.query("SELECT * FROM customers WHERE id = $1", [ + customerId, + ]); + if (customer.rows.length === 0) { + return res.status(404).json({ error: "Customer not found." }); + } + + // Update customer + const query = ` + UPDATE customers + SET name = $1, address = $2, city = $3, country = $4 + WHERE id = $5 + RETURNING * + `; + const result = await pool.query(query, [ + name, + address, + city, + country, + customerId, + ]); + res.json(result.rows[0]); + } catch (error) { + console.error(error); + res.status(500).json({ error: "Something went wrong!" }); + } +}); + +// DELETE API end point to delete the order and its details + +app.delete("/orders/:orderId", async (req, res) => { + const orderId = req.params.orderId; + try { + // Get order items associated with the order + const orderItems = await pool.query( + "SELECT * FROM order_items WHERE order_id = $1", + [orderId] + ); + const orderItemIds = orderItems.rows.map((item) => item.id); + + // Delete the order and associated order items in a transaction + await pool.query("BEGIN"); + await pool.query("DELETE FROM order_items WHERE id = ANY($1)", [ + orderItemIds, + ]); + await pool.query("DELETE FROM orders WHERE id = $1", [orderId]); + await pool.query("COMMIT"); + + res.status(200).json({ + message: "Order and associated order items deleted successfully.", + }); + } catch (error) { + await pool.query("ROLLBACK"); + console.error(error); + res.status(500).json({ error: "Something went wrong!" }); + } +}); + app.listen(3000, () => { console.log("Server is listening on port 3000"); }); From 98d4d0ce42801386095e6295d3c4fb9d62cc2795 Mon Sep 17 00:00:00 2001 From: mhallaq Date: Wed, 22 Feb 2023 14:05:18 +0000 Subject: [PATCH 11/11] add get customer order API end point --- 2-api/server.js | 59 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) diff --git a/2-api/server.js b/2-api/server.js index 5c8a8737..481b2c35 100644 --- a/2-api/server.js +++ b/2-api/server.js @@ -190,6 +190,65 @@ app.delete("/orders/:orderId", async (req, res) => { } }); +// DELETE API end point to delete customers without orders + +app.delete("/customers/:customerId", async (req, res) => { + const customerId = req.params.customerId; + try { + // Check if customer has associated orders + const orders = await pool.query( + "SELECT * FROM orders WHERE customer_id = $1", + [customerId] + ); + if (orders.rows.length > 0) { + return res.status(400).json({ + error: "Customer has associated orders and cannot be deleted.", + }); + } + + // Delete the customer + await pool.query("DELETE FROM customers WHERE id = $1", [customerId]); + + res.status(200).json({ message: "Customer deleted successfully." }); + } catch (error) { + console.error(error); + res.status(500).json({ error: "Something went wrong!" }); + } +}); + +// GET API point to send customer order information + +app.get("/customers/:customerId/orders", async (req, res) => { + const customerId = req.params.customerId; + try { + const orders = await pool.query( + "SELECT * FROM orders WHERE customer_id = $1", + [customerId] + ); + const result = []; + for (const order of orders.rows) { + const orderItem = await pool.query( + `SELECT oi.order_id, oi.quantity, pa.unit_price, p.product_name, s.supplier_name + FROM order_items oi + JOIN product_availability pa ON oi.product_id = pa.prod_id AND oi.supplier_id = pa.supp_id + JOIN products p ON oi.product_id = p.id + JOIN suppliers s ON oi.supplier_id = s.id + WHERE oi.order_id = $1`, + [order.id] + ); + result.push({ + order_reference: order.order_reference, + order_date: order.order_date, + items: orderItem.rows, + }); + } + res.status(200).json(result); + } catch (error) { + console.error(error); + res.status(500).json({ error: "Something went wrong!" }); + } +}); + app.listen(3000, () => { console.log("Server is listening on port 3000"); });