feat: 캔 조회

src/buildings/buildings.repository.ts

@@ -91,4 +91,19 @@ export class BuildingsRepository {
       console.error(err);
     }
   }
+
+  async getCans(buildingNumber: number) {
+    try {
+      const buildingDoc = await this.buildingModel
+        .find({
+          buildingNumber: buildingNumber,
+        })
+        .exec();
+
+      return buildingDoc;
+    } catch (err) {
+      console.log('error... get Cans');
+      console.error(err);
+    }
+  }
 }

src/buildings/floors/cans/cans.controller.ts

@@ -1,4 +1,4 @@
-import { Controller, Param, Post } from '@nestjs/common';
+import { Controller, Get, Param, Post } from '@nestjs/common';
 import { CansService } from './cans.service';
 
 @Controller()
@@ -12,4 +12,9 @@ export class CansController {
   ) {
     return this.cansService.createCan({ buildingNumber, floorNumber });
   }
+
+  @Get('/buildings/:buildingNumber')
+  getCans(@Param('buildingNumber') buildingNumber: number) {
+    return this.cansService.getCans(buildingNumber);
+  }
 }

src/buildings/floors/cans/cans.service.ts

@@ -20,5 +20,28 @@ export class CansService {
       console.log(res);
     });
   }
+
+  getCans(buildingNumber: number) {
+    console.log(`get cans! on ${buildingNumber} building`);
+    const buildings = this.buildingRepository.getCans(buildingNumber);
+    return buildings
+      .then((res) => {
+        return res.map(({ buildingNumber, buildingName, floors }) => ({
+          buildingNumber,
+          buildingName,
+          floors: floors.map(({ floorNumber, trashCans }) => ({
+            floorNumber,
+            trashCans: trashCans.map(({ _id, status }) => {
+              return {
+                canId: _id,
+                status,
+              };
+            }),
+          })),
+        }));
+      })
+      .catch((err) => {
+        console.log(err);
+      });
   }
 }