FilterByDifficulty testing

Francesco.Recipes.World/Controller/Recipe/RecipeController.cs

@@ -5,7 +5,6 @@
     using Francesco.Recipes.World.Repositories.Ingredient;
     using Francesco.Recipes.World.Repositories.Recipe;
     using Francesco.Recipes.World.Repositories.Unit;
-    using Francesco.Recipes.World.Views.Recipe;
     using Microsoft.AspNetCore.Mvc;
     using Microsoft.AspNetCore.Mvc.Rendering;
 
@@ -25,6 +24,8 @@
             _ingredientRepository = ingredientRepository;
         }
 
+        public IReadOnlyCollection<Recipe> Recipes { get; set; }
+
         // GET: /Recipe/AddOrCreateIngredient
         [HttpGet("{recipeId}/AddOrCreateIngredient")]
         public async Task<IActionResult> AddOrCreateIngredient()
@@ -140,17 +141,8 @@
         [HttpGet("FilterByDifficulty")]
         public async Task<IActionResult> FilterByDifficulty(Difficulty? difficulty)
         {
-            var viewModel = new FilterByDifficultyViewModel
-            {
-                SelectedDifficulty = difficulty,
-            };
-
-            if (difficulty.HasValue)
-            {
-                viewModel.Recipes = (await _recipeRepository.GetRecipesByDifficultyAsync(difficulty.Value)).ToList();
-            }
-
-            return View(viewModel);
+            Recipes = await _recipeRepository.GetRecipesByDifficultyAsync(difficulty);
+            return View(Recipes);
         }
     }
 }

Francesco.Recipes.World/Models/BackendModels/Recipe/Difficulty.cs

@@ -2,14 +2,14 @@
 {
     public enum Difficulty
     {
-        VeryEasy = 1,
+        VeryEasy = 0,
 
-        Easy = 2,
+        Easy = 1,
 
-        Medium = 3,
+        Medium = 2,
 
-        Hard = 4,
+        Hard = 3,
 
-        Expert = 5,
+        Expert = 4,
     }
 }

Francesco.Recipes.World/Repositories/Recipe/IRecipeRepository.cs

@@ -14,7 +14,7 @@
 
         Task<IEnumerable<Recipe>> GetRecipesByNameOrIngredientAsync(string name, string ingredient);
 
-        Task<IEnumerable<Recipe>> GetRecipesByDifficultyAsync(Difficulty difficulty);
+        Task<IReadOnlyCollection<Recipe>> GetRecipesByDifficultyAsync(Difficulty? difficulty);
 
         Task<Unit> AddUnitToRecipeAsync(string name, string symbol);
 

Francesco.Recipes.World/Repositories/Recipe/RecipeRepository.cs

@@ -160,7 +160,7 @@
             return await query.ToListAsync();
         }
 
-        public async Task<IEnumerable<Recipe>> GetRecipesByDifficultyAsync(Difficulty difficulty)
+        public async Task<IReadOnlyCollection<Recipe>> GetRecipesByDifficultyAsync(Difficulty? difficulty)
         {
           return await _context.Recipes
               .Where(r => r.Difficulty == difficulty)

Francesco.Recipes.World/Views/Recipe/FilterByDifficulty.cshtml

@@ -7,13 +7,14 @@
 
 <h1>Filter Recipes by Difficulty</h1>
 
-<form asp-action="FilterByDifficulty" method="get">
+<form asp-action="FilterByDifficulty" method="get" id="filterForm">
     <div class="form-group">
         <label asp-for="SelectedDifficulty" class="control-label"></label>
-        <select asp-for="SelectedDifficulty" class="form-control" asp-items="Html.GetEnumSelectList<Difficulty>()"></select>
+        <select asp-for="SelectedDifficulty" class="form-control" asp-items="Html.GetEnumSelectList<Difficulty>()" class="form-select" onchange="submitForm()">
+            <option value="">All Difficulties</option>
+        </select>
         <span asp-validation-for="SelectedDifficulty" class="text-danger"></span>
     </div>
-    <button type="submit" class="btn btn-primary">Filter</button>
 </form>
 
 @if (Model.Recipes != null && Model.Recipes.Any())
@@ -22,7 +23,7 @@
     <ul>
         @foreach (var recipe in Model.Recipes)
         {
-            <li>@recipe.Name - @recipe.Difficulty</li>
+            <li>@recipe.Name - @recipe.Difficulty.</li>
         }
     </ul>
 }
@@ -32,5 +33,10 @@ else
 }
 
 @section Scripts {
+    <script>
+        function submitForm() {
+            document.getElementById('filterForm').submit();
+        }
+    </script>
     @await Html.PartialAsync("_ValidationScriptsPartial")
-    }
+}