From c8e6c0d9231a8751a6a53961bfd18d48b35173f5 Mon Sep 17 00:00:00 2001 From: Ahmed Mohamed <105979851+AhmedMohamed809@users.noreply.github.com> Date: Thu, 23 Feb 2023 12:20:52 +0000 Subject: [PATCH 1/4] done --- 2-api/server.js | 178 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 178 insertions(+) create mode 100644 2-api/server.js diff --git a/2-api/server.js b/2-api/server.js new file mode 100644 index 00000000..9a71a584 --- /dev/null +++ b/2-api/server.js @@ -0,0 +1,178 @@ +const express = require("express"); +const app = express(); +const cors = require("cors"); +app.use(cors()); +const { Pool } = require("pg"); +const bodyParser = require("body-parser"); +app.use(bodyParser.json()); + +const db = new Pool({ + user: "kmona", // replace with you username + host: "localhost", + database: "cyf_ecommerce", + password: "0007", + port: 5432, +}); + +app.get("/customers", function (req, res) { + db.query("SELECT * FROM customers", (error, result) => { + res.json(result.rows); + }); +}); +// get all orders + +app.get("/orders", function (req, res) { + db.query("SELECT * FROM orders", (error, result) => { + res.json(result.rows); + }); +}); +//- Add a new GET endpoint `/customers/:customerId` to load a single customer by ID. + +app.get("/customers/:customerId", function (req, res) { + const cuName = Number(req.params.customerId); + db.query( + `SELECT * FROM customers + Where id=${cuName} + `, + (error, result) => { + res.json(result.rows); + } + ); +}); +//- Add a new PUT endpoint `/customers/:customerId` to update an existing customer (name, address, city and country). +app.put("/customers/:customerId", function (req, res) { + const customerId = Number(req.params.customerId); + const newName = req.body.name; + const newAdress = req.body.address; + const newCity = req.body.city; + const newCountry = req.body.country; + + db.query( + `UPDATE customers SET name=$1,address=$2, city = $3 , country=$4 + Where id=${customerId} + `, + [newName, newAdress, newCity, newCountry] + ).then(() => res.send(`Customer ${customerId} updated!`)); +}); + +//Add a new POST endpoint `/customers` to create a new customer with name, address, city and country. + +app.post("/customers", function (req, res) { + const newName = req.body.name; + const newAdress = req.body.address; + const newCity = req.body.city; + const newCountry = req.body.country; + + const query = + "INSERT INTO customers (name, address, city,country) VALUES ($1, $2, $3,$4)"; + + db.query(query, [newName, newAdress, newCity, newCountry]) + .then(() => res.send("customer created!")) + .catch((error) => { + console.error(error); + res.status(500).json(error); + }); +}); +//- Add a new DELETE endpoint `/orders/:orderId` to delete an existing order along with all the associated order items. + +app.delete("/orders/:orderId", (req, res) => { + const orderID = +req.params.orderId; + db.query("DELETE FROM order_items WHERE order_id=$1", [orderID]) + .then(() => { + db.query("DELETE FROM orders WHERE id=$1", [orderID]) + .then(() => res.send(`order ${orderID} deleted!`)) + .catch((e) => console.error(e)); + }) + .catch((e) => console.error(e)); +}); +//- Add a new POST endpoint `/customers/:customerId/orders` to create a new order (including an order date, and an order reference) for a customer. Check that the customerId corresponds to an existing customer or return an error. +app.post("/customers/:customerId/orders", function (req, res) { + const customerId = Number(req.params.customerId); + const newOrderDate = req.body.order_date; + const newOrderRef = req.body.order_reference; + const query = + "INSERT INTO orders (order_date, order_reference, customer_id) VALUES ($1, $2, $3)"; + + db.query(query, [newOrderDate, newOrderRef, customerId]) + .then(() => res.send(" new order created!")) + .catch((error) => { + console.error(error); + res.status(500).json(error); + }); +}); + +//- Add a new DELETE endpoint `/customers/:customerId` to delete an existing customer only if this customer doesn't have orders. +app.delete("/customers/:customerId", (req, res) => { + const custID = +req.params.orderId; + db.query( + "DELETE FROM orders WHERE customer_id=$1 and order_reference = Null", + [custID] + ) + .then(() => { + db.query("DELETE FROM customers WHERE id=$1", [custID]) + .then(() => res.send(`customers ${custID} deleted!`)) + .catch((e) => console.error(e)); + }) + .catch((e) => console.error(e)); +}); + +//- Add a new POST endpoint `/availability` to create a new product availability (with a price and a supplier id). Check that the price is a positive integer and that both the product and supplier ID's exist in the database, otherwise return an error. + +app.post("/availability", function (req, res) { + const newProduactID = req.body.prod_id; + const newnewSupplerID = req.body.supp_id; + const newProductPrice = req.body.unit_price; + + const query = + "INSERT INTO product_availability (prod_id, supp_id, unit_price) VALUES ($1, $2, $3)"; + + db.query(query, [newProduactID, newnewSupplerID, newProductPrice]) + .then(() => res.send("new product availability created!")) + .catch((error) => { + console.error(error); + res.status(500).json(error); + }); +}); +// Update the previous GET endpoint `/products` to filter the list of products by name using a query parameter, for example `/products?name=Cup`. This endpoint should still work even if you don't use the `name` query parameter! +app.get("/products", function (req, res) { + const findByName = req.query.name; + let query; + if (findByName) { + query = ` + Select p.product_name , pa.unit_price , s.supplier_name from products p + join product_availability pa + on p.id =pa.prod_id + join suppliers s + on pa.supp_id = s.id + where p.product_name Like '%${findByName}%' + `; + } + query = ` + Select p.product_name , pa.unit_price , s.supplier_name from products p + join product_availability pa + on p.id =pa.prod_id + join suppliers s + on pa.supp_id = s.id + + `; + db.query(query, (error, result) => { + res.json(result.rows); + }); +}); +//- Add a new POST endpoint `/products` to create a new product. +app.post("/products", function (req, res) { + const newName = req.body.product_name; + + const query = "INSERT INTO products (product_name) VALUES ($1)"; + + db.query(query, [newName]) + .then(() => res.send("products created!")) + .catch((error) => { + console.error(error); + res.status(500).json(error); + }); +}); + +app.listen(9090, () => { + console.log("hi I'm from node js 9090"); +}); From 97d2300bcdc219ecf30b5ad76cf5287a833158f2 Mon Sep 17 00:00:00 2001 From: Ahmed Mohamed <105979851+AhmedMohamed809@users.noreply.github.com> Date: Thu, 23 Feb 2023 15:04:25 +0000 Subject: [PATCH 2/4] complete all the task --- 2-api/server.js | 184 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 184 insertions(+) create mode 100644 2-api/server.js diff --git a/2-api/server.js b/2-api/server.js new file mode 100644 index 00000000..69819c8c --- /dev/null +++ b/2-api/server.js @@ -0,0 +1,184 @@ +const express = require("express"); +const app = express(); +const cors = require("cors"); +app.use(cors()); +const { Pool } = require("pg"); +const bodyParser = require("body-parser"); +app.use(bodyParser.json()); + +const db = new Pool({ + user: "kmona", // replace with you username + host: "localhost", + database: "cyf_ecommerce", + password: process.env.db_password, + port: 5432, +}); + +app.get("/customers", function (req, res) { + db.query("SELECT * FROM customers", (error, result) => { + res.json(result.rows); + }); +}); +// get all orders + +app.get("/orders", function (req, res) { + db.query("SELECT * FROM orders", (error, result) => { + res.json(result.rows); + }); +}); +//- Add a new GET endpoint `/customers/:customerId` to load a single customer by ID. + +app.get("/customers/:customerId", function (req, res) { + const cuName = Number(req.params.customerId); + db.query( + `SELECT * FROM customers + Where id=${cuName} + `, + (error, result) => { + res.json(result.rows); + } + ); +}); +//- Add a new PUT endpoint `/customers/:customerId` to update an existing customer (name, address, city and country). +app.put("/customers/:customerId", function (req, res) { + const customerId = Number(req.params.customerId); + const newName = req.body.name; + const newAdress = req.body.address; + const newCity = req.body.city; + const newCountry = req.body.country; + + db.query( + `UPDATE customers SET name=$1,address=$2, city = $3 , country=$4 + Where id=${customerId} + `, + [newName, newAdress, newCity, newCountry] + ).then(() => res.send(`Customer ${customerId} updated!`)); +}); + +//Add a new POST endpoint `/customers` to create a new customer with name, address, city and country. + +app.post("/customers", function (req, res) { + const newName = req.body.name; + const newAdress = req.body.address; + const newCity = req.body.city; + const newCountry = req.body.country; + + const query = + "INSERT INTO customers (name, address, city,country) VALUES ($1, $2, $3,$4)"; + + db.query(query, [newName, newAdress, newCity, newCountry]) + .then(() => res.send("customer created!")) + .catch((error) => { + console.error(error); + res.status(500).json(error); + }); +}); +//- Add a new DELETE endpoint `/orders/:orderId` to delete an existing order along with all the associated order items. + +app.delete("/orders/:orderId", (req, res) => { + const orderID = +req.params.orderId; + db.query("DELETE FROM order_items WHERE order_id=$1", [orderID]) + .then(() => { + db.query("DELETE FROM orders WHERE id=$1", [orderID]) + .then(() => res.send(`order ${orderID} deleted!`)) + .catch((e) => console.error(e)); + }) + .catch((e) => console.error(e)); +}); +//- Add a new POST endpoint `/customers/:customerId/orders` to create a new order (including an order date, and an order reference) for a customer. Check that the customerId corresponds to an existing customer or return an error. +app.post("/customers/:customerId/orders", async function (req, res) { + const customerId = Number(req.params.customerId); + const newOrderDate = req.body.order_date; + const newOrderRef = req.body.order_reference; + try { + const customer= await db.query("select * from customers where id = $1",[customerId]) + if(customer.rows.length ===0){ + return res.json({error:"custoumer not found !!"}) + } + const query = + "INSERT INTO orders (order_date, order_reference, customer_id) VALUES ($1, $2, $3)"; + + const result = await db.query(query, [newOrderDate, newOrderRef, customerId]) + .then(() => res.send(" new order created!")) + + } catch (error) { + res.status(500).json(error); + } + +}); + +//- Add a new DELETE endpoint `/customers/:customerId` to delete an existing customer only if this customer doesn't have orders. +app.delete("/customers/:customerId", (req, res) => { + const custID = +req.params.orderId; + db.query( + "DELETE FROM orders WHERE customer_id=$1 and order_reference = Null", + [custID] + ) + .then(() => { + db.query("DELETE FROM customers WHERE id=$1", [custID]) + .then(() => res.send(`customers ${custID} deleted!`)) + .catch((e) => console.error(e)); + }) + .catch((e) => console.error(e)); +}); + +//- Add a new POST endpoint `/availability` to create a new product availability (with a price and a supplier id). Check that the price is a positive integer and that both the product and supplier ID's exist in the database, otherwise return an error. + +app.post("/availability", function (req, res) { + const newProduactID = req.body.prod_id; + const newnewSupplerID = req.body.supp_id; + const newProductPrice = req.body.unit_price; + + const query = + "INSERT INTO product_availability (prod_id, supp_id, unit_price) VALUES ($1, $2, $3)"; + + db.query(query, [newProduactID, newnewSupplerID, newProductPrice]) + .then(() => res.send("new product availability created!")) + .catch((error) => { + console.error(error); + res.status(500).json(error); + }); +}); +// Update the previous GET endpoint `/products` to filter the list of products by name using a query parameter, for example `/products?name=Cup`. This endpoint should still work even if you don't use the `name` query parameter! +app.get("/products", function (req, res) { + const findByName = req.query.name; + let query; + if (findByName) { + query = ` + Select p.product_name , pa.unit_price , s.supplier_name from products p + join product_availability pa + on p.id =pa.prod_id + join suppliers s + on pa.supp_id = s.id + where p.product_name Like '%${findByName}%' + `; + } + query = ` + Select p.product_name , pa.unit_price , s.supplier_name from products p + join product_availability pa + on p.id =pa.prod_id + join suppliers s + on pa.supp_id = s.id + + `; + db.query(query, (error, result) => { + res.json(result.rows); + }); +}); +//- Add a new POST endpoint `/products` to create a new product. +app.post("/products", function (req, res) { + const newName = req.body.product_name; + + const query = "INSERT INTO products (product_name) VALUES ($1)"; + + db.query(query, [newName]) + .then(() => res.send("products created!")) + .catch((error) => { + console.error(error); + res.status(500).json(error); + }); +}); + +app.listen(3000, () => { + console.log("hi I'm from node js 3000"); +}); \ No newline at end of file From 7364c9b9927cbaf348855804f94311a9cf3452ce Mon Sep 17 00:00:00 2001 From: Ahmed Mohamed <105979851+AhmedMohamed809@users.noreply.github.com> Date: Sat, 19 Aug 2023 06:12:36 +0100 Subject: [PATCH 3/4] add packade.jason --- 2-api/package-lock.json | 758 ++++++++++++++++++++++++++++++++++++++++ 2-api/package.json | 18 + package-lock.json | 6 + 3 files changed, 782 insertions(+) create mode 100644 2-api/package-lock.json create mode 100644 2-api/package.json create mode 100644 package-lock.json diff --git a/2-api/package-lock.json b/2-api/package-lock.json new file mode 100644 index 00000000..3baa7cfb --- /dev/null +++ b/2-api/package-lock.json @@ -0,0 +1,758 @@ +{ + "name": "2-api", + "version": "1.0.0", + "lockfileVersion": 3, + "requires": true, + "packages": { + "": { + "name": "2-api", + 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specified\" && exit 1", + "start": "node server.js" + }, + "author": "", + "license": "ISC", + "dependencies": { + "cors": "^2.8.5", + "experss": "^0.0.1-security", + "express": "^4.18.2", + "pg": "^8.9.0" + } +} diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 00000000..d21adbeb --- /dev/null +++ b/package-lock.json @@ -0,0 +1,6 @@ +{ + "name": "SQL-Coursework-Week3", + "lockfileVersion": 3, + "requires": true, + "packages": {} +} From af802804ae7bff6f462d155b13215294b4531353 Mon Sep 17 00:00:00 2001 From: Ahmed Mohamed <105979851+AhmedMohamed809@users.noreply.github.com> Date: Sun, 20 Aug 2023 06:25:57 +0100 Subject: [PATCH 4/4] read me file --- 1-reading/task.md | 2 +- 2-api/node_modules/accepts/README.md | 140 +++++++++++++++++++++++++++ 2 files changed, 141 insertions(+), 1 deletion(-) create mode 100644 2-api/node_modules/accepts/README.md diff --git a/1-reading/task.md b/1-reading/task.md index e97fb664..8cbcfe0a 100644 --- a/1-reading/task.md +++ b/1-reading/task.md @@ -1 +1 @@ -# Reading +# Reading \ No newline at end of file diff --git a/2-api/node_modules/accepts/README.md b/2-api/node_modules/accepts/README.md new file mode 100644 index 00000000..82680c53 --- /dev/null +++ b/2-api/node_modules/accepts/README.md @@ -0,0 +1,140 @@ +# accepts + +[![NPM Version][npm-version-image]][npm-url] +[![NPM Downloads][npm-downloads-image]][npm-url] +[![Node.js Version][node-version-image]][node-version-url] +[![Build Status][github-actions-ci-image]][github-actions-ci-url] +[![Test Coverage][coveralls-image]][coveralls-url] + +Higher level content negotiation based on [negotiator](https://www.npmjs.com/package/negotiator). +Extracted from [koa](https://www.npmjs.com/package/koa) for general use. + +In addition to negotiator, it allows: + +- Allows types as an array or arguments list, ie `(['text/html', 'application/json'])` + as well as `('text/html', 'application/json')`. +- Allows type shorthands such as `json`. +- Returns `false` when no types match +- Treats non-existent headers as `*` + +## Installation + +This is a [Node.js](https://nodejs.org/en/) module available through the +[npm registry](https://www.npmjs.com/). Installation is done using the +[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally): + +```sh +$ npm install accepts +``` + +## API + +```js +var accepts = require('accepts') +``` + +### accepts(req) + +Create a new `Accepts` object for the given `req`. + +#### .charset(charsets) + +Return the first accepted charset. If nothing in `charsets` is accepted, +then `false` is returned. + +#### .charsets() + +Return the charsets that the request accepts, in the order of the client's +preference (most preferred first). + +#### .encoding(encodings) + +Return the first accepted encoding. If nothing in `encodings` is accepted, +then `false` is returned. + +#### .encodings() + +Return the encodings that the request accepts, in the order of the client's +preference (most preferred first). + +#### .language(languages) + +Return the first accepted language. If nothing in `languages` is accepted, +then `false` is returned. + +#### .languages() + +Return the languages that the request accepts, in the order of the client's +preference (most preferred first). + +#### .type(types) + +Return the first accepted type (and it is returned as the same text as what +appears in the `types` array). If nothing in `types` is accepted, then `false` +is returned. + +The `types` array can contain full MIME types or file extensions. Any value +that is not a full MIME types is passed to `require('mime-types').lookup`. + +#### .types() + +Return the types that the request accepts, in the order of the client's +preference (most preferred first). + +## Examples + +### Simple type negotiation + +This simple example shows how to use `accepts` to return a different typed +respond body based on what the client wants to accept. The server lists it's +preferences in order and will get back the best match between the client and +server. + +```js +var accepts = require('accepts') +var http = require('http') + +function app (req, res) { + var accept = accepts(req) + + // the order of this list is significant; should be server preferred order + switch (accept.type(['json', 'html'])) { + case 'json': + res.setHeader('Content-Type', 'application/json') + res.write('{"hello":"world!"}') + break + case 'html': + res.setHeader('Content-Type', 'text/html') + res.write('hello, world!') + break + default: + // the fallback is text/plain, so no need to specify it above + res.setHeader('Content-Type', 'text/plain') + res.write('hello, world!') + break + } + + res.end() +} + +http.createServer(app).listen(3000) +``` + +You can test this out with the cURL program: +```sh +curl -I -H'Accept: text/html' http://localhost:3000/ +``` + +## License + +[MIT](LICENSE) + +[coveralls-image]: https://badgen.net/coveralls/c/github/jshttp/accepts/master +[coveralls-url]: https://coveralls.io/r/jshttp/accepts?branch=master +[github-actions-ci-image]: https://badgen.net/github/checks/jshttp/accepts/master?label=ci +[github-actions-ci-url]: https://github.com/jshttp/accepts/actions/workflows/ci.yml +[node-version-image]: https://badgen.net/npm/node/accepts +[node-version-url]: https://nodejs.org/en/download +[npm-downloads-image]: https://badgen.net/npm/dm/accepts +[npm-url]: https://npmjs.org/package/accepts +[npm-version-image]: https://badgen.net/npm/v/accepts