Initial commit

Chapter08/MyBlog/BlazorWebAssembly/Client/BlogApiWebClient.cs

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+using Data.Models;
+using Data.Models.Interfaces;
+using Microsoft.AspNetCore.Components.WebAssembly.Authentication;
+using System.Net.Http.Json;
+using System.Text.Json;
+
+namespace BlazorWebAssembly.Client;
+
+public class BlogApiWebClient : IBlogApi
+{
+    private readonly IHttpClientFactory _factory;
+    public BlogApiWebClient(IHttpClientFactory factory)
+    {
+        _factory = factory;
+    }
+    public async Task<BlogPost?> GetBlogPostAsync(string id)
+    {
+        var httpclient = _factory.CreateClient("Public");
+        return await httpclient.GetFromJsonAsync<BlogPost>($"api/BlogPosts/{id}");
+    }
+
+    public async Task<int> GetBlogPostCountAsync()
+    {
+        var httpclient = _factory.CreateClient("Public");
+        return await httpclient.GetFromJsonAsync<int>("/api/BlogPostCount");
+    }
+
+    public async Task<List<BlogPost>?> GetBlogPostsAsync(int numberofposts, int startindex)
+    {
+        var httpclient = _factory.CreateClient("Public");
+        return await httpclient.GetFromJsonAsync<List<BlogPost>>($"/api/BlogPosts?numberofposts={numberofposts}&startindex={startindex}");
+    }
+
+    public async Task<BlogPost?> SaveBlogPostAsync(BlogPost item)
+    {
+        try
+        {
+            var httpclient = _factory.CreateClient("Authenticated");
+            var response = await httpclient.PutAsJsonAsync<BlogPost>
+               ("api/BlogPosts", item);
+            var json = await response.Content.ReadAsStringAsync();
+            return JsonSerializer.Deserialize<BlogPost>(json);
+        }
+        catch (AccessTokenNotAvailableException exception)
+        {
+            exception.Redirect();
+        }
+        return null;
+    }
+    public async Task DeleteBlogPostAsync(string id)
+    {
+        try
+        {
+            var httpclient = _factory.CreateClient("Authenticated");
+            await httpclient.DeleteAsync($"api/BlogPosts/{id}");
+        }
+        catch (AccessTokenNotAvailableException exception)
+        {
+            exception.Redirect();
+        }
+    }
+
+    public async Task<List<Category>?> GetCategoriesAsync()
+    {
+        var httpclient = _factory.CreateClient("Public");
+        return await httpclient.GetFromJsonAsync<List<Category>>($"api/Categories");
+    }
+    public async Task<Category?> GetCategoryAsync(string id)
+    {
+        var httpclient = _factory.CreateClient("Public");
+        return await httpclient.GetFromJsonAsync<Category>($"api/Categories/{id}");
+    }
+    public async Task DeleteCategoryAsync(string id)
+    {
+        try
+        {
+            var httpclient = _factory.CreateClient("Authenticated");
+            await httpclient.DeleteAsync($"api/Categories/{id}");
+        }
+        catch (AccessTokenNotAvailableException exception)
+        {
+            exception.Redirect();
+        }
+    }
+    public async Task<Category?> SaveCategoryAsync(Category item)
+    {
+        try
+        {
+            var httpclient = _factory.CreateClient("Authenticated");
+            var response = await httpclient.PutAsJsonAsync<Category>("api/Categories", item);
+            var json = await response.Content.ReadAsStringAsync();
+            return JsonSerializer.Deserialize<Category>(json);
+        }
+        catch (AccessTokenNotAvailableException exception)
+        {
+            exception.Redirect();
+        }
+        return null;
+    }
+    public async Task<Tag?> GetTagAsync(string id)
+    {
+        var httpclient = _factory.CreateClient("Public");
+        return await httpclient.GetFromJsonAsync<Tag>($"api/Tags/{id}");
+    }
+    public async Task<List<Tag>?> GetTagsAsync()
+    {
+        var httpclient = _factory.CreateClient("Public");
+        return await httpclient.GetFromJsonAsync<List<Tag>>($"api/Tags");
+    }
+    public async Task DeleteTagAsync(string id)
+    {
+        try
+        {
+            var httpclient = _factory.CreateClient("Authenticated");
+            await httpclient.DeleteAsync($"api/Tags/{id}");
+        }
+        catch (AccessTokenNotAvailableException exception)
+        {
+            exception.Redirect();
+        }
+    }
+    public async Task<Tag?> SaveTagAsync(Tag item)
+    {
+        try
+        {
+            var httpclient = _factory.CreateClient("Authenticated");
+            var response = await httpclient.PutAsJsonAsync<Tag>("api/Tags", item);
+            var json = await response.Content.ReadAsStringAsync();
+            return JsonSerializer.Deserialize<Tag>(json);
+        }
+        catch (AccessTokenNotAvailableException exception)
+        {
+            exception.Redirect();
+        }
+        return null;
+    }
+
+    public Task InvalidateCacheAsync()
+    {
+        throw new NotImplementedException();
+    }
+}