BETTERZON-38: Added all currently required models with required service classes and routers

Backend/src/models/products/products.service.ts

@@ -0,0 +1,147 @@
+import * as dotenv from 'dotenv';
+
+dotenv.config();
+
+const mariadb = require('mariadb');
+const pool = mariadb.createPool({
+    host: process.env.DB_HOST,
+    user: process.env.DB_USER,
+    password: process.env.DB_PASSWORD,
+    database: process.env.DB_DATABASE,
+    connectionLimit: 5
+});
+
+/**
+ * Data Model Interfaces
+ */
+
+import {Product} from './product.interface';
+import {Products} from './products.interface';
+
+
+/**
+ * Service Methods
+ */
+
+export const findAll = async (): Promise<Products> => {
+    let conn;
+    let prodRows = [];
+    try {
+        conn = await pool.getConnection();
+        const rows = await conn.query('SELECT product_id, name, asin FROM products');
+        for (let row in rows) {
+            if (row !== 'meta') {
+                let prod: Product = {
+                    asin: '',
+                    category_id: 0,
+                    date_added: new Date(),
+                    image_guid: '',
+                    is_active: false,
+                    last_modified: new Date(),
+                    long_description: '',
+                    manufacturer_id: 0,
+                    name: '',
+                    product_id: 0,
+                    selling_rank: '',
+                    short_description: ''
+                };
+                const sqlProd = rows[row];
+
+                prod.product_id = sqlProd.product_id;
+                prod.name = sqlProd.name;
+                prod.asin = sqlProd.asin;
+                prodRows.push(prod);
+            }
+        }
+
+    } catch (err) {
+        throw err;
+    } finally {
+        if (conn) {
+            conn.end();
+        }
+    }
+
+    return prodRows;
+};
+
+export const find = async (id: number): Promise<Product> => {
+    let conn;
+    let prod: any;
+    try {
+        conn = await pool.getConnection();
+        const rows = await conn.query('SELECT product_id, name FROM products WHERE product_id = ?', id);
+        for (let row in rows) {
+            if (row !== 'meta') {
+                prod = rows[row];
+            }
+        }
+
+    } catch (err) {
+        throw err;
+    } finally {
+        if (conn) {
+            conn.end();
+        }
+    }
+
+    return prod;
+};
+
+export const findBySearchTerm = async (term: string): Promise<Products> => {
+    let conn;
+    let prodRows = [];
+    try {
+        conn = await pool.getConnection();
+        term = '%' + term + '%';
+        const rows = await conn.query('SELECT product_id, name FROM products WHERE name LIKE ?', term);
+        for (let row in rows) {
+            if (row !== 'meta') {
+                prodRows.push(rows[row]);
+            }
+        }
+
+    } catch (err) {
+        console.log(err);
+        throw err;
+    } finally {
+        if (conn) {
+            conn.end();
+        }
+    }
+
+    return prodRows;
+};
+
+// export const create = async (newItem: Product): Promise<void> => {
+//     let conn;
+//     try {
+//         conn = await pool.getConnection();
+//         await conn.query("");
+//
+//     } catch (err) {
+//         throw err;
+//     } finally {
+//         if (conn) conn.end();
+//     }
+// };
+//
+// export const update = async (updatedItem: Product): Promise<void> => {
+//     if (models.products[updatedItem.product_id]) {
+//         models.products[updatedItem.product_id] = updatedItem;
+//         return;
+//     }
+//
+//     throw new Error("No record found to update");
+// };
+//
+// export const remove = async (id: number): Promise<void> => {
+//     const record: Product = models.products[id];
+//
+//     if (record) {
+//         delete models.products[id];
+//         return;
+//     }
+//
+//     throw new Error("No record found to delete");
+// };