feat: implement logger service

lib/internal/console/README.md

@@ -0,0 +1,2 @@
+# Console
+This directory contains the implementation of the mineral command line interface.

lib/internal/services/intents/intents.dart

@@ -20,4 +20,6 @@ class Intents {
 
   /// Creates an [Intents] service with the intents defined in the builder.
   factory Intents.builder(Function(IntentBuilder) builder) => Intents._(builder(IntentBuilder()).intents);
+
+  int get calculatedValue => _intents.fold(0, (previousValue, element) => previousValue += element.value);
 }

lib/services/logger/logger.dart

@@ -0,0 +1,30 @@
+import 'dart:io';
+
+import 'package:mineral/services/logger/logger_contract.dart';
+import 'package:tint/tint.dart';
+
+class Logger implements LoggerContract {
+  @override
+  void debug(String message) =>
+      stdout.writeln('${'[ debug ]'.grey()} $message');
+
+  @override
+  void error(String message) =>
+      stdout.writeln('${'[ error ]'.red()} $message');
+
+  @override
+  void info(String message) =>
+      stdout.writeln('${'[ info ]'.cyan()} $message');
+
+  @override
+  void log(message) =>
+      stdout.writeln('[log] $message');
+
+  @override
+  void success(String message) =>
+      stdout.writeln('${'[ success ]'.green()} $message');
+
+  @override
+  void warning(String message) =>
+      stdout.writeln('${'[ warning ]'.yellow()} $message');
+}

lib/services/logger/logger_contract.dart

@@ -0,0 +1,13 @@
+abstract interface class LoggerContract {
+  void log(dynamic message);
+
+  void error(String message);
+
+  void warning(String message);
+
+  void success(String message);
+
+  void info(String message);
+
+  void debug(String message);
+}

test/functionals/intent_test.dart

@@ -39,4 +39,12 @@ void main () {
     final Intents service = Intents.none();
     expect(service.intents, isEmpty);
   });
+
+  test('can create Intent service without intents', () {
+    final List<Intent> intents = [Intent.guilds, Intent.directMessages];
+    final Intents service = Intents.only(intents);
+
+    expect(service.intents, allOf([hasLength(2), containsAll(intents)]));
+    expect(service.calculatedValue, equals(4097));
+  });
 }