Add MySQL Database

src/GitHubActionsDemo.Api/Controllers/LibraryController.cs

@@ -43,7 +43,7 @@ public class LibraryController : ControllerBase
     }
 
     [HttpPost(Name = "AddAuthor")]
-    public async Task<AuthorResponse> AddauthorAsync(AuthorRequest authorRequest)
+    public async Task<AuthorResponse> AddAuthorAsync(AuthorRequest authorRequest)
     {
         var author = await _libraryService.AddAuthorAsync(authorRequest.Map());
         return author.Map();

src/GitHubActionsDemo.Api/GitHubActionsDemo.Api.csproj

@@ -14,6 +14,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\GitHubActionsDemo.Service\GitHubActionsDemo.Service.csproj" />
+    <ProjectReference Include="..\GitHubActionsDemo.Persistance\GitHubActionsDemo.Persistance.csproj" />
   </ItemGroup>
 
 </Project>

src/GitHubActionsDemo.Api/Program.cs

@@ -1,4 +1,5 @@
-using GitHubActionsDemo.Service;
+using GitHubActionsDemo.Service.Infrastructure;
+using GitHubActionsDemo.Persistance.Infrastructure;
 
 var builder = WebApplication.CreateBuilder(args);
 
@@ -6,8 +7,11 @@ builder.Services.AddControllers();
 builder.Services.AddEndpointsApiExplorer();
 builder.Services.AddSwaggerGen();
 
+builder.Services.Configure<DbSettings>(builder.Configuration.GetSection("DbSettings"));
+
 // DI
-builder.Services.AddScoped<ILibraryService, LibraryService>();
+builder.Services.AddServiceDependencies();
+
 var app = builder.Build();
 
 // Configure the HTTP request pipeline.
@@ -17,6 +21,10 @@ if (app.Environment.IsDevelopment())
     app.UseSwaggerUI();
 }
 
+{
+    await app.InitDatabase();
+}
+
 app.UseAuthorization();
 app.MapControllers();
 app.Run();

src/GitHubActionsDemo.Api/appsettings.Development.json

@@ -1,4 +1,8 @@
 {
+  "DbSettings": {
+    "ConnectionString": "Server=localhost; Database=library; Uid=root; Pwd=libraryDbPassword;",
+    "Database": "library"
+  },
   "Logging": {
     "LogLevel": {
       "Default": "Information",

src/GitHubActionsDemo.Api/appsettings.json

@@ -1,4 +1,8 @@
 {
+  "DbSettings": {
+    "ConnectionString": "Server=localhost; Database=library; Uid=root; Pwd=libraryDbPassword;",
+    "Database": "library"
+  },
   "Logging": {
     "LogLevel": {
       "Default": "Information",

src/GitHubActionsDemo.Persistance/DbContext.cs

@@ -0,0 +1,79 @@
+using Dapper;
+using MySql.Data.MySqlClient;
+using System.Data;
+using GitHubActionsDemo.Persistance.Infrastructure;
+using Microsoft.Extensions.Options;
+
+namespace GitHubActionsDemo.Persistance;
+
+public class DbContext : IDbContext
+{
+    private readonly DbSettings _dbSettings;
+
+    public DbContext(IOptions<DbSettings> dbSettings)
+    {
+        _dbSettings = dbSettings?.Value ?? throw new ArgumentNullException(nameof(dbSettings));
+    }
+
+    public IDbConnection CreateConnection()
+    {
+        return new MySqlConnection(_dbSettings.ConnectionString);
+    }
+
+    public async Task Init()
+    {
+        await InitDatabase();
+        await InitTables();
+    }
+
+    private async Task InitDatabase()
+    {
+        // create database if it doesn't exist
+        using var connection = new MySqlConnection(_dbSettings.ConnectionString);
+        var sql = $"CREATE DATABASE IF NOT EXISTS `{_dbSettings.Database}`;";
+        await connection.ExecuteAsync(sql);
+    }
+
+    private async Task InitTables()
+    {
+        // create tables if they don't exist
+        using var connection = CreateConnection();
+        await _initAuthors();
+        await _initBooks();
+
+        async Task _initAuthors()
+        {
+            var sql = """
+                CREATE TABLE IF NOT EXISTS Authors (
+                    AuthorId INT NOT NULL AUTO_INCREMENT,
+                    FirstName VARCHAR(255) NOT NULL,
+                    LastName VARCHAR(255) NOT NULL,
+                    DateCreated DATETIME NOT NULL,
+                    DateModified DATETIME NOT NULL,
+                    PRIMARY KEY (AuthorId)
+                );
+            """;
+            await connection.ExecuteAsync(sql);
+        }
+
+        async Task _initBooks()
+        {
+            var sql = """
+                CREATE TABLE IF NOT EXISTS Books(
+                    BookId INT NOT NULL AUTO_INCREMENT,
+                    Title VARCHAR(255),
+                    AuthorId INT NOT NULL,
+                    Isbn VARCHAR(13) NOT NULL,
+                    DatePublished DATETIME NOT NULL,
+                    DateCreated DATETIME NOT NULL,
+                    DateModified DATETIME NOT NULL,
+                    PRIMARY KEY(BookId),
+                    FOREIGN KEY(AuthorId) REFERENCES Authors(AuthorId)
+                );
+            """;
+            await connection.ExecuteAsync(sql);
+        }
+
+
+    }
+}

src/GitHubActionsDemo.Persistance/GitHubActionsDemo.Persistance.csproj

@@ -7,7 +7,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="7.0.0" />
+    <PackageReference Include="Dapper" Version="2.0.143" />
+    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="7.0.5" />
+    <PackageReference Include="MySql.Data" Version="8.0.33" />
   </ItemGroup>
 
 </Project>

src/GitHubActionsDemo.Persistance/IDbContext.cs

@@ -0,0 +1,9 @@
+using System.Data;
+
+namespace GitHubActionsDemo.Persistance;
+
+public interface IDbContext
+{
+    IDbConnection CreateConnection();
+    Task Init();
+}

src/GitHubActionsDemo.Persistance/Infrastructure/DbSettings.cs

@@ -0,0 +1,7 @@
+namespace GitHubActionsDemo.Persistance.Infrastructure;
+
+public class DbSettings
+{
+    public string ConnectionString { get; set; }
+    public string Database { get; set; }
+}

src/GitHubActionsDemo.Persistance/Infrastructure/InfrastructureExtensions.cs

@@ -1,13 +1,20 @@
-using GitHubActionsDemo.Persistance;
+using Microsoft.AspNetCore.Builder;
 using Microsoft.Extensions.DependencyInjection;
 
-namespace GitHubActionsDemo.Service.Infrastructure
-{
+namespace GitHubActionsDemo.Persistance.Infrastructure;
+
 public static class InfrastructureExtensions
 {
     public static IServiceCollection AddPersistanceDependencies(this IServiceCollection services)
     {
-            return services.AddSingleton<ILibraryRespository, LibraryRespository>();
-        }
+        return services.AddSingleton<IDbContext, DbContext>()
+                       .AddScoped<ILibraryRespository, LibraryRespository>();
+    }
+
+    public static async Task InitDatabase(this WebApplication app)
+    {
+        using var scope = app.Services.CreateScope();
+        var context = scope.ServiceProvider.GetRequiredService<IDbContext>();
+        await context.Init();
     }
 }

src/GitHubActionsDemo.Service/Infrastructure/InfrastructureExtensions.cs

@@ -1,4 +1,4 @@
-using GitHubActionsDemo.Persistance;
+using GitHubActionsDemo.Persistance.Infrastructure;
 using Microsoft.Extensions.DependencyInjection;
 
 namespace GitHubActionsDemo.Service.Infrastructure
@@ -8,8 +8,8 @@ namespace GitHubActionsDemo.Service.Infrastructure
         public static IServiceCollection AddServiceDependencies(this IServiceCollection services)
         {
             return services
-                .AddScoped<ILibraryService, LibraryService>()
-                .AddPersistanceDependencies();
+                .AddPersistanceDependencies()
+                .AddScoped<ILibraryService, LibraryService>();
         }
     }
 }

src/GitHubActionsDemo.Service/LibraryService.cs

@@ -34,6 +34,6 @@ public class LibraryService : ILibraryService
     public async Task<IEnumerable<Book>> GetBooksAsync(int page, int pageSize)
     {
         var books = await _libraryRepository.GetBooksAsync(page, pageSize);
-        return books.Select(book => book.Map());
+        return books?.Select(book => book.Map()) ?? new List<Book>();
     }
 }