Favorites (#4)

* Added favorites page
* Refactor table to a reusable component

Reviewed-on: #4
Co-authored-by: Berack96 <giacomobertolazzi7@gmail.com>
Co-committed-by: Berack96 <giacomobertolazzi7@gmail.com>

Components/Layout/MovieTable.razor

@@ -0,0 +1,35 @@
+<table class="table table-striped" id="moviesTable">
+    <thead class="table-primary">
+        <tr>
+            <th></th>
+            <th style="width: 100%;">Title</th>
+            <th>Year</th>
+        </tr>
+    </thead>
+    <tbody>
+        @if (Movies?.Search != null)
+        {
+            @foreach (var movie in Movies.Search)
+            {
+                <tr>
+                    <td><button class="btn btn-secondary" @onclick="() => OnMovieSelected(movie.IdIMDB)">Details</button></td>
+                    <td>@movie.Title</td>
+                    <td>@movie.Year</td>
+                </tr>
+            }
+        }
+    </tbody>
+</table>
+
+@inject NavigationManager NavigationManager
+
+@code {
+
+    [Parameter]
+    public MovieSearch? Movies { get; set; }
+
+    private async Task OnMovieSelected(string imdbID)
+    {
+        NavigationManager.NavigateTo($"/movie/{imdbID}");
+    }
+}

Components/Pages/Favorites.razor

@@ -2,17 +2,25 @@
 
 <PageTitle>Favorites</PageTitle>
 
-<h1>TODO</h1>
+<MovieTable Movies="movies" />
 
-<button class="btn btn-primary" @onclick="FaiCose">FaiCose</button>
-
-@inject OmdbService OmdbService
-@inject IJSRuntime JSRuntime
+@inject ManageFavorite ManageFavorite
 
 @code {
-    private async Task FaiCose()
+    public MovieSearch? movies = null;
+
+    protected override async Task OnAfterRenderAsync(bool firstRender)
     {
-        var movies = await OmdbService.FetchMovies("Matrix");
-        var movieDetail = await OmdbService.FetchMovieDetail("tt11749868");
+        if (firstRender)
+        {
+            await ManageFavorite.LoadFavorites();
+            var favoriteMovies = ManageFavorite.GetFavoriteMovies();
+            movies = new MovieSearch
+            {
+                Search = favoriteMovies.ToArray(),
+                TotalResults = favoriteMovies.Count.ToString()
+            };
+            StateHasChanged();
+        }
     }
 }

Components/Pages/Home.razor

@@ -12,42 +12,14 @@
     </div>
 </form>
 
-<table class="table table-striped" id="moviesTable">
-    <thead class="table-primary">
-        <tr>
-            <th></th>
-            <th style="width: 100%;">Title</th>
-            <th>Year</th>
-        </tr>
-    </thead>
-    <tbody>
-        @if (movies?.Search != null)
-        {
-            @foreach (var movie in movies.Search)
-            {
-                <tr>
-                    <td><button class="btn btn-secondary" @onclick="() => OnMovieSelected(movie.IdIMDB)">Details</button></td>
-                    <td>@movie.Title</td>
-                    <td>@movie.Year</td>
-                </tr>
-            }
-        }
-    </tbody>
-</table>
-    
+<MovieTable Movies="movies" />
 
 @inject OmdbService OmdbService
-@inject NavigationManager NavigationManager
 
 @code {
     private string searchTitle = "";
     private MovieSearch? movies = null;
 
-    private async Task OnMovieSelected(string imdbID)
-    {
-        NavigationManager.NavigateTo($"/movie/{imdbID}");
-    }
-
     private async Task OnSearch()
     {
         movies = await OmdbService.FetchMovies(searchTitle);

Components/Pages/Movie.razor

@@ -1,11 +0,0 @@
-@page "/movie/{id}"
-
-<PageTitle>Movie Details</PageTitle>
-
-<h1>TODO</h1>
-<p>Movie ID: @id</p>
-
-@code {
-    [Parameter]
-    public string id { get; set; }
-}

Components/Pages/MovieDetail.razor

@@ -0,0 +1,58 @@
+@page "/movie/{id}"
+
+<PageTitle>Movie Details</PageTitle>
+
+<div class="row g-4" style="max-width: 800px;">
+    @if (movie is not null)
+    {
+        <h1>@movie.Title</h1>
+        <div class="col-md-4">
+            <img src="@movie.Poster" alt="@movie.Title Poster" class="img-fluid" />
+        </div>
+        <div class="col-md-8">
+            <p>@movie.Runtime</p>
+            <p>@movie.Plot</p>
+            @if(ManageFavorite.IsFavorite(id))
+            {
+                <button class="btn btn-warning" @onclick="ToggleFavoriteMovie">Remove Favorite</button>
+            }
+            else
+            {
+                <button class="btn btn-secondary" @onclick="ToggleFavoriteMovie">Add to Favorites</button>
+            }
+        </div>
+    }
+    else
+    {
+        <p>Loading movie details...</p>
+    }
+</div>
+
+
+@inject OmdbService OmdbService
+@inject ManageFavorite ManageFavorite
+
+@code {
+    [Parameter]
+    public required string id { get; set; }
+    private Movie? movie;
+
+    protected override async Task OnInitializedAsync()
+    {
+        movie = await OmdbService.FetchMovieDetail(id);
+    }
+
+    protected override async Task OnAfterRenderAsync(bool firstRender)
+    {
+        if (firstRender)
+        {
+            await ManageFavorite.LoadFavorites();
+            StateHasChanged();
+        }
+    }
+
+    private async Task ToggleFavoriteMovie()
+    {
+        await ManageFavorite.ToggleFavoriteMovie(movie!);
+    }
+}

Models/Movie.cs

@@ -1,13 +1,10 @@
-
-
 using System.Text.Json.Serialization;
 
-
 /// <summary>
 /// Rappresenta un film con le sue proprietà principali.
 /// Non ho preso tutte le proprietà disponibili dall'API OMDB, solo quelle richieste.
 /// </summary>
-class Movie
+public class Movie
 {
     public required string Title { get; set; }
     public required string Year { get; set; }

Models/MovieSearch.cs

@@ -1,13 +1,10 @@
-
-
 using System.Text.Json.Serialization;
 
-
 /// <summary>
 /// Modello per rappresentare i risultati di una ricerca di film.
 /// Ha solo scopo di deserializzazione della risposta JSON dell'API OMDB.
 /// </summary>
-class MovieSearch
+public class MovieSearch
 {
     public required Movie[] Search { get; set; }
     [JsonPropertyName("totalResults")]

Program.cs

@@ -1,13 +1,16 @@
 using test_alebro.Components;
+using Blazored.LocalStorage;
 
 var builder = WebApplication.CreateBuilder(args);
 
 // Add services to the container.
 builder.Services.AddRazorComponents()
     .AddInteractiveServerComponents();
+builder.Services.AddBlazoredLocalStorage();
 
 // Mine services
 builder.Services.AddSingleton<OmdbService>();
+builder.Services.AddScoped<ManageFavorite>();
 
 var app = builder.Build();
 

Services/ManageFavorite.cs

@@ -0,0 +1,63 @@
+
+
+/// <summary>
+/// Service to manage favorite movies using local storage
+/// </summary>
+/// <param name="localStorage">The local storage service</param>
+class ManageFavorite(Blazored.LocalStorage.ILocalStorageService localStorage)
+{
+    // Inject the local storage service
+    private readonly Blazored.LocalStorage.ILocalStorageService LocalStorage = localStorage;
+    private readonly List<Movie> Movies = [];
+
+    /// <summary>
+    /// Load favorite movies from local storage
+    /// Use Immediately after service instantiation otherwise the list will be empty
+    /// </summary>
+    /// <returns></returns>
+    public async Task LoadFavorites()
+    {
+        var favorites = await LocalStorage.GetItemAsync<List<Movie>>("favorite") ?? [];
+        Movies.Clear();
+        Movies.AddRange(favorites);
+    }
+
+    /// <summary>
+    /// Check if a movie is favorite or not
+    /// </summary>
+    /// <param name="movieID">The movie ID to check</param>
+    /// <returns>True if the movie is favorite, otherwise false</returns>
+    public bool IsFavorite(string movieID)
+    {
+        return Movies.Any(m => m.IdIMDB == movieID);
+    }
+
+    /// <summary>
+    /// Toggle favorite status of a movie (by ID)
+    /// </summary>
+    /// <param name="movie">The movie ID to toggle</param>
+    /// <returns>The new favorite status</returns>
+    public async Task<bool> ToggleFavoriteMovie(Movie movie)
+    {
+        if (!IsFavorite(movie.IdIMDB))
+        {
+            Movies.Add(movie);
+        }
+        else
+        {
+            Movies.RemoveAll(m => m.IdIMDB == movie.IdIMDB);
+        }
+
+        await LocalStorage.SetItemAsync("favorite", Movies);
+        return IsFavorite(movie.IdIMDB);
+    }
+
+    /// <summary>
+    /// Get the list of favorite movie IDs
+    /// </summary>
+    /// <returns>The list of favorite movie IDs</returns>
+    public List<Movie> GetFavoriteMovies()
+    {
+        return Movies;
+    }
+}

test-alebro.csproj

@@ -9,4 +9,8 @@
     <BlazorDisableThrowNavigationException>true</BlazorDisableThrowNavigationException>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Blazored.LocalStorage" Version="4.3.0" />
+  </ItemGroup>
+
 </Project>