initial commit

App_Code/Controller/APIController.cs

@@ -0,0 +1,94 @@
+using Microsoft.AspNetCore.Mvc;
+using System.Text;
+using System.Text.Json;
+
+namespace Library;
+
+public class APIController : AbstractController
+{
+	protected APIController( ILogger logger , IConfiguration configuration )
+		: base( logger , configuration )
+	{
+	}
+
+	protected void AssertID( int value )
+	{
+		if ( value <= 0 )
+			throw new APIErrorException( "Invalid id parameter" );
+	}
+
+	protected void AssertParameter( int value , int min_value )
+	{
+		if ( value < min_value )
+			throw new APIErrorException( "Invalid int parameter" );
+	}
+
+	protected void AssertParameter( string? value , int min_length )
+	{
+		if ( !ValidateString( value , min_length ) )
+			throw new APIErrorException( "Invalid string parameter" );
+	}
+
+	protected void AssertURL( string? value , bool mandatory )
+	{
+		if ( !ValidateURL( value , mandatory ) )
+			throw new APIErrorException( "Invalid url parameter" );
+	}
+
+	protected void AssertEmail( string? value , bool mandatory )
+	{
+		if ( !ValidateEmail( value , mandatory ) )
+			throw new APIErrorException( "Invalid email parameter" );
+	}
+
+	protected override void OnInvalidLogin( )
+	{
+		throw new APIErrorException( "Access denied." );
+	}
+
+	protected override void OnInvalidAdminLogin( )
+	{
+		throw new APIErrorException( "Access denied (admin)." );
+	}
+
+	protected ContentResult Error( string message )
+	{
+		using MemoryStream stream = new( );
+
+		using Utf8JsonWriter writer = new( stream );
+		writer.WriteStartObject( );
+		writer.WriteBoolean( "Success" , false );
+		writer.WriteString( "ErrorMessage" , message );
+		writer.WriteEndObject( );
+		writer.Dispose( );
+
+		return new ContentResult( )
+		{
+			ContentType = System.Net.Mime.MediaTypeNames.Application.Json ,
+			Content = Encoding.UTF8.GetString( stream.ToArray( ) )
+		};
+	}
+
+	protected ContentResult Success( )
+	{
+		return Success( "true" );
+	}
+
+	protected ContentResult Success( string data )
+	{
+		using MemoryStream stream = new( );
+
+		using Utf8JsonWriter writer = new( stream );
+		writer.WriteStartObject( );
+		writer.WriteBoolean( "Success" , true );
+		writer.WriteString( "Result" , data );
+		writer.WriteEndObject( );
+		writer.Dispose( );
+
+		return new ContentResult( )
+		{
+			ContentType = System.Net.Mime.MediaTypeNames.Application.Json ,
+			Content = Encoding.UTF8.GetString( stream.ToArray( ) )
+		};
+	}
+}