feat: add endpoint to retrieve paginated payers with bearer token validation

backend/src/app.ts

@@ -79,6 +79,28 @@ app.use(route.post('/payer', async (ctx) => {
 	ctx.status = 204
 }))
 
+app.use(route.get('/payer', async (ctx) => {
+	// 请求头验证 bearer token
+	const bearerToken = ctx.request.headers['authorization']?.split(' ')
+	if (!bearerToken) throw new HttpError(ErrorDescEnum.unauthorized, 401)
+	if (bearerToken[0] !== 'Bearer') throw new HttpError(ErrorDescEnum.unauthorized, 401)
+	if (!bearerToken[1]) throw new HttpError(ErrorDescEnum.unauthorized, 401)
+	await func.verifyBearerToken(bearerToken[1])
+
+	// 获取 pager 和 limit
+	const pageQuery = ctx.request.query.page
+	if (Array.isArray(pageQuery)) throw new HttpError(ErrorDescEnum.invalid_field_format, 400, ['page'])
+	const page = pageQuery ? parseInt(pageQuery) : 1
+	const limitQuery = ctx.request.query.limit
+	if (Array.isArray(limitQuery)) throw new HttpError(ErrorDescEnum.invalid_field_format, 400, ['limit'])
+	const limit = limitQuery ? parseInt(limitQuery) : 10
+	if (page <= 0 || limit < 5) throw new HttpError(ErrorDescEnum.invalid_field_format, 400, ['page', 'limit'])
+
+	// 获取付款人
+	const payers = await func.getPayers(ctx.prisma, page, limit)
+	ctx.body = payers
+}))
+
 app.use(route.post('/invoice', async (ctx) => {
 	// 请求头验证 bearer token
 	const bearerToken = ctx.request.headers['authorization']?.split(' ')

backend/src/func/getPayers.ts

@@ -0,0 +1,20 @@
+import { PrismaClient } from '@prisma/client'
+
+export default async function getPayers(prisma: PrismaClient, page: number, limit: number) {
+	const payers = await prisma.payer.findMany({
+		skip: (page - 1) * limit,
+		take: limit,
+		orderBy: {
+			payer_id: 'asc'
+		}
+	})
+	return payers.map(payer => {
+		return {
+			id: payer.payer_id,
+			name: payer.payer_name,
+			address: payer.payer_address.split('\n'),
+			email: payer.payer_email,
+			abn: payer.payer_abn
+		}
+	})
+}

backend/src/func/index.ts

@@ -3,6 +3,7 @@ import issueInvoice from "./issueInvoice"
 import verifyBearerToken from "./verifyBearerToken"
 import getSpecificInvoice from "./getSpecificInvoice"
 import getInvoices from "./getInvoices"
+import getPayers from "./getPayers"
 
 export default {
 	createPayer,
@@ -10,4 +11,5 @@ export default {
 	verifyBearerToken,
 	getSpecificInvoice,
 	getInvoices,
+	getPayers,
 }