add search for recipe title

src/endpoints/CompactRecipePoint.ts

@@ -12,7 +12,7 @@ const router = Router();
 // Inject repo + mapper here
 const recipeRepository = new RecipeRepository();
 const compactRecipeMapper = new CompactRecipeDtoEntityMapper();
-const compactRecipeController = new CompactRecipeHandler(recipeRepository, compactRecipeMapper);
+const compactRecipeHandler = new CompactRecipeHandler(recipeRepository, compactRecipeMapper);
 /**
  * Load header data of all recipes
  * Responds with a list of CompactRecipeDtos
@@ -20,7 +20,9 @@ const compactRecipeController = new CompactRecipeHandler(recipeRepository, compa
 router.get(
   "/",
   asyncHandler(async (req, res) => {  
-    const response = await compactRecipeController.getAllCompactRecipes();
+    // extract search string from query parameters, convert to lower case for case insensitive search
+    const searchString : string  = req.query.search ? req.query.search.toString().toLowerCase() : "";
+    const response = await compactRecipeHandler.getMatchingRecipes(searchString);
     res.status(201).json(response);
   })
 );

src/handlers/CompactRecipeHandler.ts

@@ -25,4 +25,19 @@ export class CompactRecipeHandler {
         });
         return recipeDtos;
     }
+
+    /**
+     * Get all recipes matching search
+     * 
+     * Recipe title must contain type string
+     * @todo Full text search??
+     */
+    async getMatchingRecipes(searchString : string){
+        if(!searchString || searchString.length===0){
+            // get all 
+            return this.getAllCompactRecipes();
+        } else {
+            return this.repository.findCompactRecipeBySearch(searchString);
+        }
+    }
 }

src/repositories/RecipeRepository.ts

@@ -1,6 +1,7 @@
 import { AbstractRepository } from "./AbstractRepository.js";
 import { RecipeEntity } from "../entities/RecipeEntity.js";
 import { AppDataSource } from "../data-source.js";
+import { Like } from "typeorm";
 
 export class RecipeRepository extends AbstractRepository<RecipeEntity> {
   constructor() {
@@ -23,6 +24,23 @@ export class RecipeRepository extends AbstractRepository<RecipeEntity> {
     });
   }
 
+  /**
+   * Find all recipes matching the search. Currently it only searches on the title. Fetches only recipe header data but no relations.
+   * @param searchString String to search for
+   * @returns List of recipe entities matching the search criteria
+   */
+  async findCompactRecipeBySearch(searchString : string): Promise<RecipeEntity[] | null>{
+    // @todo doesn't work like expected...
+    return this.repo.find(
+      { where: {title: Like(`%${searchString}%`)}}
+    );
+  }
+
+  /**
+   * Update recipe and relations
+   * @param entity Updated entity
+   * @returns Updated Entity
+   */
   async updateRecipe(entity: RecipeEntity): Promise<RecipeEntity> {
   return AppDataSource.transaction(async (em) => {
     // load existing data