refactor to use app package instead of service

refactor app to be composable

internal/app/app.go

@@ -0,0 +1,66 @@
+package app
+
+import (
+	"context"
+	"time"
+
+	"github.com/LazyBachelor/LazyPM/internal/models"
+	"github.com/LazyBachelor/LazyPM/internal/storage"
+	"github.com/steveyegge/beads"
+)
+
+type App = models.App
+type Config = models.Config
+
+func New(ctx context.Context, config Config, opts ...Option) (*App, func(), error) {
+	b := defaultBuilder(ctx, config)
+
+	for _, opt := range opts {
+		if err := opt(b); err != nil {
+			return nil, nil, err
+		}
+	}
+
+	if !config.AutoInit {
+		if err := b.initializer.Init(config.BeadsDBPath); err != nil {
+			return nil, nil, err
+		}
+	}
+
+	if b.issueService == nil {
+		sqliteStore, err := beads.NewSQLiteStorage(b.ctx, config.BeadsDBPath)
+		if err != nil {
+			return nil, nil, err
+		}
+		b.lifecycle.Add(func() { sqliteStore.Close() })
+
+		b.issueService, err = storage.NewBeadsIssueStorage(b.ctx, sqliteStore, config.IssuePrefix)
+		if err != nil {
+			return nil, nil, err
+		}
+	}
+
+	if b.statsService == nil {
+		statStore := storage.NewJsonStorage(config.StatisticsStoragePath, &models.Statistics{
+			ID:        0,
+			StartTime: time.Now(),
+		})
+
+		jsonStatService, err := NewStatisticsService(statStore)
+		if err != nil {
+			return nil, nil, err
+		}
+
+		b.statsService = jsonStatService
+	}
+
+	app := &App{
+		Config: config,
+		Logger: b.logger,
+
+		Issues: b.issueService,
+		Stats:  b.statsService,
+	}
+
+	return app, b.lifecycle.Close, nil
+}