Refactor config package

- Parse configuration only once during startup time
- Store configuration values in a global variable

2 files changed, 24 insertions, 14 deletions

diff --git a/cli/cli.go b/cli/cli.go
index 623b9bb..ae94aba 100644
--- a/cli/cli.go
+++ b/cli/cli.go
@@ -51,9 +51,11 @@ func Parse() {
 	flag.BoolVar(&flagDebugMode, "debug", false, flagDebugModeHelp)
 	flag.Parse()
 
-	cfg := config.NewConfig()
+	if err := config.ParseConfig(); err != nil {
+		logger.Fatal("%v", err)
+	}
 
-	if flagDebugMode || cfg.HasDebugMode() {
+	if flagDebugMode || config.Opts.HasDebugMode() {
 		logger.EnableDebug()
 	}
 
@@ -67,7 +69,15 @@ func Parse() {
 		return
 	}
 
-	db, err := database.NewConnectionPool(cfg.DatabaseURL(), cfg.DatabaseMinConns(), cfg.DatabaseMaxConns())
+	if config.Opts.IsDefaultDatabaseURL() {
+		logger.Info("The default value for DATABASE_URL is used")
+	}
+
+	db, err := database.NewConnectionPool(
+		config.Opts.DatabaseURL(),
+		config.Opts.DatabaseMinConns(),
+		config.Opts.DatabaseMaxConns(),
+	)
 	if err != nil {
 		logger.Fatal("Unable to connect to the database: %v", err)
 	}
@@ -101,14 +111,14 @@ func Parse() {
 	}
 
 	// Run migrations and start the deamon.
-	if cfg.RunMigrations() {
+	if config.Opts.RunMigrations() {
 		database.Migrate(db)
 	}
 
 	// Create admin user and start the deamon.
-	if cfg.CreateAdmin() {
+	if config.Opts.CreateAdmin() {
 		createAdmin(store)
 	}
 
-	startDaemon(cfg, store)
+	startDaemon(store)
 }
diff --git a/cli/daemon.go b/cli/daemon.go
index aa673d4..dc12087 100644
--- a/cli/daemon.go
+++ b/cli/daemon.go
@@ -16,13 +16,13 @@ import (
 	"miniflux.app/config"
 	"miniflux.app/logger"
 	"miniflux.app/reader/feed"
-	"miniflux.app/service/scheduler"
 	"miniflux.app/service/httpd"
+	"miniflux.app/service/scheduler"
 	"miniflux.app/storage"
 	"miniflux.app/worker"
 )
 
-func startDaemon(cfg *config.Config, store *storage.Storage) {
+func startDaemon(store *storage.Storage) {
 	logger.Info("Starting Miniflux...")
 
 	stop := make(chan os.Signal, 1)
@@ -30,17 +30,17 @@ func startDaemon(cfg *config.Config, store *storage.Storage) {
 	signal.Notify(stop, syscall.SIGTERM)
 
 	feedHandler := feed.NewFeedHandler(store)
-	pool := worker.NewPool(feedHandler, cfg.WorkerPoolSize())
+	pool := worker.NewPool(feedHandler, config.Opts.WorkerPoolSize())
 
 	go showProcessStatistics()
 
-	if cfg.HasSchedulerService() {
-		scheduler.Serve(cfg, store, pool)
+	if config.Opts.HasSchedulerService() {
+		scheduler.Serve(store, pool)
 	}
 
 	var httpServer *http.Server
-	if cfg.HasHTTPService() {
-		httpServer = httpd.Serve(cfg, store, pool, feedHandler)
+	if config.Opts.HasHTTPService() {
+		httpServer = httpd.Serve(store, pool, feedHandler)
 	}
 
 	<-stop
@@ -64,4 +64,4 @@ func showProcessStatistics() {
 			runtime.NumGoroutine(), runtime.NumCPU())
 		time.Sleep(30 * time.Second)
 	}
-}
\ No newline at end of file
+}