order api:implement pagination system

src/app/modules/order/order.service.ts

@@ -1,61 +1,92 @@
-
 import { Request } from "express";
 import { configs } from "../../configs";
 import { prisma } from "../../lib/prisma";
 import { orderEmailQueue } from "../../queues/email/order/order.email.queue";
+import paginationHelper from "../../utils/pagination_helper";
 
 const get_all_order_from_db = async (req: Request) => {
   // define your own login here
-  const search=req.query.search as string
-  const customerName=req.query.customerName as string
-  const productName=req.query.productName as string
- console.log(productName)
-  const andCondition=[] as any[]
-  if(search){
+  const search = req.query.search as string;
+  const customerName = req.query.customerName as string;
+  const productName = req.query.productName as string;
+  const status = (req.query.status as string) || undefined;
+  const { page, limit, skip, sortBy, sortOrder } = paginationHelper(req.query);
+
+  const andCondition = [] as any[];
+  if (search) {
     andCondition.push({
-      OR:[
+      OR: [
         {
-          productName:{
-            contains:search,
-            mode:"insensitive"
-          }
-        }
-      ]
-    })
+          productName: {
+            contains: search,
+            mode: "insensitive",
+          },
+        },
+      ],
+    });
   }
-  if(customerName){
+  if (customerName) {
     andCondition.push({
-      OR:[
+      OR: [
         {
-          customerName:{
-            contains:customerName,
-            mode:"insensitive"
-          }
-        }
-      ]
-    })
+          customerName: {
+            contains: customerName,
+            mode: "insensitive",
+          },
+        },
+      ],
+    });
   }
-  if(productName){
+  if (productName) {
     andCondition.push({
-      OR:[
+      OR: [
         {
-          productName:{
-            contains:productName,
-            mode:"insensitive"
-          }
-        }
-      ]
-    })
+          productName: {
+            contains: productName,
+            mode: "insensitive",
+          },
+        },
+      ],
+    });
+  }
+  if (status) {
+    andCondition.push({
+      OR: [
+        {
+          status: {
+            contains: status,
+            mode: "insensitive",
+          },
+        },
+      ],
+    });
   }
 
-  console.log(search)
-
-  const result = await prisma.order.findMany({
-    where:{
-      AND:andCondition
-    }
+  const getAllOrders = await prisma.order.findMany({
+    take: limit,
+    skip,
+    where: {
+      AND: andCondition,
+    },
+    orderBy: {
+      [sortBy as string]: sortOrder,
+    },
   });
-  return result;
+  const result = await prisma.order.count({
+    where: {
+      AND: andCondition,
+    },
+  });
+  console.log(status);
+  return {
+    data: getAllOrders,
+    pagination: {
+      total: result,
+      page,
+      limit,
+      totalPages: Math.ceil(result / limit),
+    },
+  };
 };
 
 const get_single_order_from_db = async (req: Request) => {
@@ -67,9 +98,9 @@ const get_single_order_from_db = async (req: Request) => {
 
 const create_order_into_db = async (req: Request) => {
   const payload = req?.body;
-  console.log(payload)
+  console.log(payload);
   payload.status = "INITIATED";
-  payload.paymentType = "COD"
+  payload.paymentType = "COD";
 
   // nwo init order
   const result = await prisma.order.create({ data: payload });
@@ -81,8 +112,8 @@ const create_order_into_db = async (req: Request) => {
       email: payload.customerEmail,
       subject: "Order Tracking",
       textBody: `Your order has been created. Track your order here: ${trackingLink}`,
-      htmlBody: `<p>Your order has been created. Track your order here: <a href="${trackingLink}">Track Order</a></p>`
-    })
+      htmlBody: `<p>Your order has been created. Track your order here: <a href="${trackingLink}">Track Order</a></p>`,
+    });
   }
   return result;
 };

src/app/modules/order/order.swagger.ts

@@ -1,4 +1,3 @@
-
 export const orderSwaggerDocs = {
   "/api/order": {
     post: {
@@ -10,16 +9,16 @@ export const orderSwaggerDocs = {
         content: {
           "application/json": {
             example: JSON.stringify({
-              "shopAccountId": "",
-              "productPrice": 1500,
-              "productQuantity": 2,
-              "productName": "Wireless Mouse",
-              "customerName": "Rahim Uddin",
-              "customerPhone": "+8801712345678",
-              "customerEmail": "softvence.abumahid@gmail.com",
-              "customerAddress": "Rangpur, Bangladesh",
-              "customerNote": "Please deliver between 3-5 PM"
-            })
+              shopAccountId: "",
+              productPrice: 1500,
+              productQuantity: 2,
+              productName: "Wireless Mouse",
+              customerName: "Rahim Uddin",
+              customerPhone: "+8801712345678",
+              customerEmail: "softvence.abumahid@gmail.com",
+              customerAddress: "Rangpur, Bangladesh",
+              customerNote: "Please deliver between 3-5 PM",
+            }),
           },
         },
       },
@@ -63,6 +62,12 @@ export const orderSwaggerDocs = {
           required: false,
           schema: { type: "string" },
         },
+        {
+          name: "status",
+          in: "query",
+          required: false,
+          schema: { type: "string" },
+        },
       ],
       responses: {
         200: { description: "order fetched successfully" },
@@ -106,14 +111,14 @@ export const orderSwaggerDocs = {
         content: {
           "application/json": {
             example: JSON.stringify({
-              "shopAccountId": "",
-              "productPrice": 1500,
-              "productQuantity": 2,
-              "productName": "Wireless Mouse",
-              "customerName": "Rahim Uddin",
-              "customerPhone": "+8801712345678",
-              "customerAddress": "Rangpur, Bangladesh",
-              "customerNote": "Please deliver between 3-5 PM"
+              shopAccountId: "",
+              productPrice: 1500,
+              productQuantity: 2,
+              productName: "Wireless Mouse",
+              customerName: "Rahim Uddin",
+              customerPhone: "+8801712345678",
+              customerAddress: "Rangpur, Bangladesh",
+              customerNote: "Please deliver between 3-5 PM",
             }), // put your request body
           },
         },
@@ -142,5 +147,3 @@ export const orderSwaggerDocs = {
     },
   },
 };
-
-

src/app/utils/pagination_helper.ts

@@ -0,0 +1,34 @@
+// options type
+type IOptions = {
+  page?: number | string;
+  limit?: number | string;
+  sortOrder?: string;
+  sortBy?: string;
+};
+
+// return type
+export type IPaginationResult = {
+  page: number;
+  limit: number;
+  skip: number;
+  sortOrder?: string;
+  sortBy?: string;
+};
+const paginationHelper = (options:IOptions): IPaginationResult => {
+  const page = Number(options?.page) || 1;
+  const limit = Number(options?.limit) || 10;
+  const skip = (page-1)*limit
+  const sortBy =options?.sortBy ||"createdAt";
+  const sortOrder = options?.sortOrder || "desc";
+
+  return {
+    page,
+    limit,
+    skip,
+    sortBy,
+    sortOrder
+  }
+};
+
+
+export default paginationHelper;