implement update recipe - does not create new ingredient groups, incredients or instruction steps yet

src/controllers/RecipeController.ts

@@ -5,6 +5,7 @@ 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";
+import { Entity } from "typeorm";
 
 /**
  * Controls all recipe specific actions
@@ -15,6 +16,11 @@ export class RecipeController {
         private mapper: RecipeDtoEntityMapper
     ) { }
 
+    /**
+     * Load a specific recipe
+     * @param id recipe id
+     * @returns RecipeDto for requested recipe
+     */
     async getRecipeById(id: string){
         const recipeEntity = await this.recipeRepository.findById(id);
         if(recipeEntity === null){
@@ -23,6 +29,20 @@ export class RecipeController {
         const recipeDto = this.mapper.toDto(recipeEntity);
         return recipeDto;
     }
+    /**
+     * Update recipe data
+     * @param RecipeDto containing the entire updated recipe
+     * @returns Up-to-date RecipeDto as saved in the database
+     */
+    async updateRecipe(dto: RecipeDto){
+        if (!this.isRecipeDtoValid(dto)) {
+            throw new ValidationError("recipe data is not valid!")
+        }
+        const recipeEntity = this.mapper.toEntity(dto);
+        // @todo doesn't create new ingredient groups, ingredients or instruction steps yet
+        const savedEntity = await this.recipeRepository.save(recipeEntity);
+        return this.mapper.toDto(savedEntity);
+    }
     /**
      * Create a new recipe
      * @param dto RecipeDto containing the new recipe

src/endpoints/RecipePoint.ts

@@ -7,6 +7,7 @@ import { RecipeDto } from "../dtos/RecipeDto.js";
 import { RecipeIngredientDtoEntityMapper } from "../mappers/RecipeIngredientDtoEntityMapper.js";
 import { RecipeIngredientGroupDtoEntityMapper } from "../mappers/RecipeIngredientGroupDtoEntityMapper.js";
 import { RecipeInstructionStepDtoEntityMapper } from "../mappers/RecipeInstructionStepDtoEntityMapper.js";
+import { ValidationError } from "../errors/httpErrors.js";
 
 /**
  * Handles all recipe related routes
@@ -40,6 +41,19 @@ router.get(
     const responseDto = await recipeController.getRecipeById(id);
     res.status(201).json(responseDto);
   })
-)
+);
+
+router.put(
+  "/:id",
+  asyncHandler(async(req, res) =>{
+    const id = req.params.id;
+    const recipeDto : RecipeDto = req.body;
+    if(id != recipeDto.id){
+      throw new ValidationError("Cannot save recipe! ID in request body " + recipeDto.id + " doesn't match ID in path " + id +"!")
+    }
+    const responseDto = await recipeController.updateRecipe(recipeDto);
+    res.status(201).json(responseDto);
+  })
+);
 
 export default router;