[finishes #187585696] ordermanagement

some changes ii [finishes #187354263]crud operations of items to a cart new file: src/controllers/cartController.ts new file: src/database/migrations/20240510102608-create-user-product.js new file: src/database/models/userProduct.ts new file: src/docs/cart.yaml new file: src/routes/cartRoute.ts modified: src/routes/index.ts pick a62f333 [finishes #187354263]crud operations of items to a cart fixing bugs squashing previous commits new file: .vscode/launch.json modified: package.json new file: src/controllers/cartController.ts new file: src/controllers/orderController.ts modified: src/controllers/productsController.ts modified: src/controllers/roleControllers.ts modified: src/dat abase/migrations/20240413203456-create-role.js new file: src/database/migrations/20240510102608-create-user-product.js new file: src/database/migrations/20240513164738-cart-model.js new file: src/database/migrations/20240514160800-orders.js new file: src/database/migrations/20240514174638-cart-product.js modified: src/database/models/Product.ts new file: src/database/models/cart.ts new file: src/database/models/order.ts modified: src/database/models/role.ts modified: src/database/seeders/20240427082911-create-default-role.js :i` modified: src/database/seeders/20240429200629-add-seller-role.js new file: src/docs/cart.yaml modified: src/middlewares/authMiddlewares.ts new file: src/routes/cartRoute.ts modified: src/routes/index.ts new file: src/routes/orderRoute.ts modified: src/routes/productRoutes.ts modified: src/validations/index.ts new file: .vscode/launch.json modified: package.json new file: src/controllers/cartController.ts new file: src/controllers/orderController.ts modified: src/controllers/productsController.ts modified: src/controllers/roleControllers.ts new file: src/database/migrations/20240510102608-create-user-product.js new file: src/database/migrations/20240513164738-cart-model.js new file: src/database/migrations/20240514160800-orders.js new file: src/database/migrations/20240514174638-cart-product.js modified: src/database/models/Product.ts new file: src/database/models/cart.ts modified: src/database/models/order.ts modified: src/database/models/role.ts new file: src/database/seeders/20240429200629-add-seller-role.js new file: src/docs/cart.yaml new file: src/docs/orders.yaml modified: src/middlewares/authMiddlewares.ts new file: src/routes/cartRoute.ts modified: src/routes/index.ts new file: src/routes/orderRoute.ts modified: src/routes/productRoutes.ts modified: src/validations/index.ts
atlp-rwanda · May 19, 2024 · 8dbdc8e · 8dbdc8e
1 parent becf88b
commit 8dbdc8e
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Showing 31 changed files with 1,215 additions and 30 deletions.
diff --git a/.vscode/launch.json b/.vscode/launch.json
@@ -0,0 +1,20 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "node",
+            "request": "launch",
+            "name": "Launch Program",
+            "skipFiles": [
+                "<node_internals>/**"
+            ],
+            "program": "${workspaceFolder}/src/controllers/orderController.ts",
+            "outFiles": [
+                "${workspaceFolder}/**/*.js"
+            ]
+        }
+    ]
+}
diff --git a/package.json b/package.json
@@ -16,8 +16,10 @@
     "migrate": "npx sequelize-cli db:migrate",
     "migrate:undo": "npx sequelize-cli db:migrate:undo",
     "migrate:undo:all": "npx sequelize-cli db:migrate:undo:all",
+    "migrate:undo:all": "npx sequelize-cli db:migrate:undo:all",
     "seed": "npx sequelize-cli db:seed:all",
-    "seed:undo": "npx sequelize-cli db:seed:undo:all"
+    "seed:undo": "npx sequelize-cli db:seed:undo",
+    "seed:undo:all": "npx sequelize-cli db:seed:undo:all"
   },
   "keywords": [],
   "author": "",
@@ -101,4 +103,4 @@
       "eslint --fix"
     ]
   }
-}
+}
diff --git a/src/controllers/cartController.ts b/src/controllers/cartController.ts
@@ -0,0 +1,225 @@
+import { Request, Response } from 'express';
+import { Cart } from '../database/models/cart';
+import { Product, ProductAttributes } from '../database/models/Product';
+import User from '../database/models/user';
+import { sendInternalErrorResponse, validateFields } from '../validations';
+import sequelize from '../database/models';
+import logger from '../logs/config';
+import { Size } from '../database/models/Size';
+
+const addCartItem = async (req: Request, res: Response): Promise<void> => {
+  const { productId, sizeId } = req.body;
+  const { id: userId } = req.user as User;
+  try {
+    // Validate request body
+    const missingFields = validateFields(req, ['productId']);
+    if (missingFields.length > 0) {
+      res.status(400).json({
+        ok: false,
+        message: `Following required fields are missing: ${missingFields.join(', ')}`,
+      });
+      return;
+    }
+
+    // Start transaction
+    const transaction = await sequelize.transaction();
+
+    try {
+      // Check if the product exists
+      const product = await Product.findByPk(productId, {
+        include: {
+          model: Size,
+          as: 'Sizes',
+          attributes: ['quantity'],
+        },
+        transaction,
+      });
+      if (!product) {
+        res.status(404).json({ ok: false, message: 'Product was not found in stock!' });
+        return;
+      }
+
+      // Check if the item already exists in the cart
+      const cartItem: any = await Cart.findOne({
+        include: [
+          {
+            model: User,
+            as: 'user',
+            attributes: ['id', 'firstName', 'lastName', 'email', 'phoneNumber', 'gender'],
+          },
+          {
+            model: Product,
+            as: 'products',
+            through: { attributes: ['quantity'] },
+          },
+        ],
+        where: { userId },
+        transaction: transaction,
+      });
+
+      if (cartItem) {
+        // Check if the product being added is already in the cart
+        const existingProduct = cartItem.products.find((product: ProductAttributes) => product.id === productId);
+        if (existingProduct) {
+          const [currentCartSize] = await sequelize.query('SELECT quantity from "CartsProducts" where "productId" =?', {
+            replacements: [productId],
+          });
+          const quantity = (currentCartSize[0] as any).quantity;
+          const stockSize = (product as any).Sizes[0].quantity;
+          if (quantity < stockSize) {
+            // If the product already exists in the cart, increment the quantity in the join table
+            await sequelize.query(
+              'UPDATE "CartsProducts" SET quantity = quantity + 1 WHERE "cartId" =? AND "productId" =?',
+              {
+                replacements: [cartItem.id, productId],
+              }
+            );
+          } else {
+            throw new Error('No more same products in stock');
+            return;
+          }
+        } else {
+          // If the product doesn't exist in the cart, add it to the cart
+          await cartItem.addProducts(product, {
+            through: { quantity: 1 },
+            transaction: transaction,
+          });
+        }
+      } else {
+        // If the cart is empty, create a new cart item
+        const newCartItem: any = await Cart.create({ userId }, { transaction });
+        await newCartItem.addProducts(product, {
+          through: { quantity: 1 },
+          transaction,
+        });
+      }
+
+      // Commit the transaction
+      await transaction.commit();
+      res.status(200).json({ ok: true, message: 'Product added to cart successfully' });
+    } catch (error) {
+      // Rollback the transaction if an error occurs
+      await transaction.rollback();
+      throw error;
+    }
+  } catch (error) {
+    // Handle any unexpected errors
+    console.error(error);
+    // res.status(500).json({ ok: false, message: 'An unexpected error occurred' });
+    sendInternalErrorResponse(res, error);
+  }
+};
+
+//updating an item
+
+const updateCartItem = async (req: Request, res: Response): Promise<void> => {
+  const { productId, quantity } = req.body;
+  const { id: userId } = req.user as User;
+
+  const transaction = await sequelize.transaction();
+  try {
+    const cartItem: any = await Cart.findOne({
+      where: { userId },
+      transaction,
+    });
+
+    if (!cartItem) {
+      res.status(404).json({ ok: false, message: 'Cart not found' });
+      return;
+    }
+    if (quantity >= 1) {
+      await sequelize.query('UPDATE "CartsProducts" SET quantity =? WHERE "cartId" =? AND "productId" =?', {
+        replacements: [quantity, cartItem.id, productId],
+        transaction,
+      });
+
+      await transaction.commit();
+      res.status(200).json({ ok: true, message: 'Cart updated successfully' });
+    } else {
+      throw new Error('Quantity cannot be less than 1');
+    }
+  } catch (error) {
+    await transaction.rollback();
+    logger.error(error);
+    sendInternalErrorResponse(res, error);
+  }
+};
+
+//getting items of a cart
+
+const getCartItems = async (req: Request, res: Response): Promise<void> => {
+  const { id: userId } = req.user as User;
+
+  const transaction = await sequelize.transaction();
+  try {
+    const cart: any = await Cart.findOne({
+      where: { userId },
+      include: [
+        {
+          model: Product,
+          as: 'products',
+          through: { attributes: ['quantity'] },
+          include: {
+            model: Size,
+            as: 'Sizes',
+            attributes: ['quantity'],
+          },
+        },
+      ],
+      transaction,
+    });
+
+    if (!cart) {
+      res.status(404).json({ ok: false, message: 'Cart not found' });
+      return;
+    }
+    const [productIds] = await sequelize.query(
+      'SELECT "productId" from "CartsProducts" where "cartId" =? AND "userId" =?',
+      { replacements: [cart.id, userId], transaction }
+    );
+    const products = cart.products.map((product: any) => {
+      return {
+        id: product.id,
+        name: product.name,
+        description: product.description,
+        quantity: product.CartsProducts,
+        image: product.images[0],
+        sellerId: product.sellerId,
+        createdAt: product.createdAt,
+      };
+    });
+    res.status(200).json({ cart: products });
+  } catch (error) {
+    await transaction.rollback();
+    throw error;
+  }
+};
+
+//clear cart
+
+const clearCart = async (req: Request, res: Response): Promise<void> => {
+  const { id: userId } = req.user as User;
+
+  const transaction = await sequelize.transaction();
+  try {
+    const cart = await Cart.findOne({
+      where: { userId },
+      transaction,
+    });
+
+    if (!cart) {
+      res.status(404).json({ ok: false, message: 'Cart not found' });
+      return;
+    }
+
+    await sequelize.query('DELETE FROM "CartsProducts" WHERE "cartId" =?', { replacements: [cart.id], transaction });
+    await transaction.commit();
+    res.status(200).json({ ok: true, message: 'Cart cleared successfully' });
+  } catch (error) {
+    await transaction.rollback();
+    logger.error(error);
+    sendInternalErrorResponse(res, error);
+  }
+};
+
+export { addCartItem, updateCartItem, getCartItems, clearCart };
diff --git a/src/controllers/categoriesController.ts b/src/controllers/categoriesController.ts
@@ -17,3 +17,14 @@ export const createCategory = async (req: Request, res: Response) => {
     res.status(500).json({ error: 'Failed to create category' });
   }
 };
+export const getAllCategories = async (req: Request, res: Response) => {
+  try {
+    const categories = await Category.findAll();
+    res.status(200).json({ ok: true, data: categories });
+  } catch (error) {
+    if (error instanceof Error) {
+      logger.error(error.message);
+    }
+    res.status(500).json({ error: 'Failed to fetch categories' });
+  }
+};