From 91a20704afed06ed72e87b24375d6fe3d7009540 Mon Sep 17 00:00:00 2001
From: leonnicolas <leonloechner@gmx.de>
Date: Thu, 17 Sep 2020 16:34:17 +0200
Subject: [PATCH] src/resolvers: added resolvers and lendingStationAPI

---
 src/datasources/db/lendingstationAPI.ts  | 35 ++++++++++++++++++++----
 src/resolvers/lendingstationResolvers.ts | 14 ++++++++++
 src/schema/type-defs.ts                  |  3 +-
 3 files changed, 45 insertions(+), 7 deletions(-)

diff --git a/src/datasources/db/lendingstationAPI.ts b/src/datasources/db/lendingstationAPI.ts
index ddf0ec8..fc75017 100644
--- a/src/datasources/db/lendingstationAPI.ts
+++ b/src/datasources/db/lendingstationAPI.ts
@@ -10,6 +10,30 @@ export class LendingStationAPI extends DataSource {
         this.connection = getConnection();
     }
 
+    async getLendingStationById ({ id }: { id: any }) {
+        return await this.connection.manager
+            .createQueryBuilder()
+            .select('lendingStation')
+            .from(LendingStation, 'lendingStation')
+            .where('lendingStation.id = :id', { id: id })
+            .getOne();
+    }
+
+    /**
+     * get all lendingStations
+     */
+    async getLendingStations () {
+        return await this.connection.manager
+            .createQueryBuilder()
+            .select('lendingStation')
+            .from(LendingStation, 'lendingStation')
+            .getMany() || new GraphQLError('Internal Server Error: could not query data from table lendingStation');
+    }
+
+    /**
+     * creates new lendingStation and returns new lendingStation with its new id
+     * @param param0 new lendingStation
+     */
     async createLendingStation ({ lendingStation }:{ lendingStation: any }) {
         console.log(lendingStation);
         const inserts = await this.connection.manager
@@ -24,6 +48,10 @@ export class LendingStationAPI extends DataSource {
         return newLendingStaion;
     }
 
+    /**
+     * updates lendingStation and return updated lendingStation
+     * @param param0 lendingStation to be updated
+     */
     async updateLendingStation ({ lendingStation }:{ lendingStation: any }) {
         const oldLendingStation = await this.connection.manager.createQueryBuilder()
             .select('lendingStation')
@@ -37,12 +65,7 @@ export class LendingStationAPI extends DataSource {
                 .set({ ...lendingStation })
                 .where('id = :id', { id: lendingStation.id })
                 .execute();
-            return await this.connection
-                .createQueryBuilder()
-                .select('lendingStation')
-                .from(LendingStation, 'lendingStation')
-                .where('lendingStation.id = :id', { id: lendingStation.id })
-                .getOne();
+            return this.getLendingStationById({ id: lendingStation.id });
         } else {
             return new GraphQLError('ID not in database');
         }
diff --git a/src/resolvers/lendingstationResolvers.ts b/src/resolvers/lendingstationResolvers.ts
index 028c7eb..20cc5fe 100644
--- a/src/resolvers/lendingstationResolvers.ts
+++ b/src/resolvers/lendingstationResolvers.ts
@@ -4,6 +4,20 @@ import { LendingStation } from '../model/LendingStation';
 
 export default {
     Query: {
+        lendingStationById: (_: any, { id }: { id: any }, { dataSources, req }: { dataSources: any, req: any }) => {
+            if (req.permissions.includes(Permission.ReadBike)) {
+                return dataSources.lendingStationAPI.getLendingStationById({ id });
+            } else {
+                return new GraphQLError('Insufficient Permissions');
+            }
+        },
+        lendingStations: (_: any, __: any, { dataSources, req }: { dataSources: any, req: any }) => {
+            if (req.permissions.includes(Permission.ReadBike)) {
+                return dataSources.lendingStationAPI.getLendingStations();
+            } else {
+                return new GraphQLError('Insufficient Permissions');
+            }
+        }
     },
     Mutation: {
         createLendingStation: (_: any, { lendingStation }:{ lendingStation: LendingStation }, { dataSources, req }:{dataSources: any, req: any }) => {
diff --git a/src/schema/type-defs.ts b/src/schema/type-defs.ts
index 9fa24ef..1fc2d52 100644
--- a/src/schema/type-defs.ts
+++ b/src/schema/type-defs.ts
@@ -574,8 +574,9 @@ input AddressUpdateInput {
 
 type Query {
     cargoBikeById(id:ID!): CargoBike
-    "!!!!"
+    "returns all cargoBikes"
     cargoBikes: [CargoBike]!
+    "not important, you can just use providerById {cargoBikes}"
     cargoBikesByProvider(providerId:ID!): [CargoBike]!
     providerById(id:ID!): Provider
     providers: [Provider]!