load recipe by id

bruno/recipe-backend/getRecipeById.bru

@@ -0,0 +1,15 @@
+meta {
+  name: getRecipeById
+  type: http
+  seq: 6
+}
+
+get {
+  url: https://localhost:4000/recipe/
+  body: none
+  auth: inherit
+}
+
+settings {
+  encodeUrl: true
+}

src/controllers/RecipeController.ts

@@ -1,7 +1,7 @@
 import { RecipeDto } from "../dtos/RecipeDto.js";
 import { RecipeDtoEntityMapper } from "../mappers/RecipeDtoEntityMapper.js";
 import { RecipeRepository } from "../repositories/RecipeRepository.js";
-import { ValidationError } from "../errors/httpErrors.js";
+import { NotFoundError, ValidationError } from "../errors/httpErrors.js";
 import { RecipeInstructionStepDto } from "../dtos/RecipeInstructionStepDto.js";
 import { RecipeIngredientGroupDto } from "../dtos/RecipeIngredientGroupDto.js";
 import { RecipeIngredientDto } from "../dtos/RecipeIngredientDto.js";
@@ -11,10 +11,18 @@ import { RecipeIngredientDto } from "../dtos/RecipeIngredientDto.js";
  */
 export class RecipeController {
     constructor(
-        private repository: RecipeRepository,
+        private recipeRepository: RecipeRepository,
         private mapper: RecipeDtoEntityMapper
     ) { }
 
+    async getRecipeById(id: string){
+        const recipeEntity = await this.recipeRepository.findById(id);
+        if(recipeEntity === null){
+            throw new NotFoundError("recipe with id " + id + " not found!")
+        }
+        const recipeDto = this.mapper.toDto(recipeEntity);
+        return recipeDto;
+    }
     /**
      * Create a new recipe
      * @param dto RecipeDto containing the new recipe
@@ -24,8 +32,8 @@ export class RecipeController {
             throw new ValidationError("recipe data is not valid!")
         }
         const recipeEntity = this.mapper.toEntity(dto)
-        const entity = await this.repository.create(recipeEntity);
-        return this.mapper.toDto(entity);
+        const savedEntity = await this.recipeRepository.create(recipeEntity);
+        return this.mapper.toDto(savedEntity);
     }
 
     /**

src/endpoints/RecipePoint.ts

@@ -33,4 +33,13 @@ router.post(
   })
 );
 
+router.get(
+  "/:id",
+  asyncHandler(async(req, res) => {
+    const id = req.params.id;
+    const responseDto = await recipeController.getRecipeById(id);
+    res.status(201).json(responseDto);
+  })
+)
+
 export default router;

src/repositories/AbstractRepository.ts

@@ -1,4 +1,4 @@
-import { Repository, DeepPartial, ObjectLiteral } from "typeorm";
+import { Repository, DeepPartial } from "typeorm";
 import { AppDataSource } from "../data-source.js";
 import { AbstractEntity } from "../entities/AbstractEntity.js";
 

src/repositories/RecipeRepository.ts

@@ -5,4 +5,21 @@ export class RecipeRepository extends AbstractRepository<RecipeEntity> {
   constructor() {
     super(RecipeEntity);
   }
+
+  /**
+   * Find recipe including all relations by id
+   * @param id Recipe id
+   * @returns RecipeEntity including all relations such as ingredients groups, ingredients and instruction steps
+   */
+  async findById(id: string): Promise<RecipeEntity | null> {
+    return this.repo.findOne(
+    { where: { id } as any,
+      relations: [
+        'ingredientGroups', 
+        'ingredientGroups.ingredients',
+        'instructionSteps'
+      ] 
+    });
+    
+  }
 }