refactor(ESISSO): enhance error handling during initialization and update startup logic in App

app.go

@@ -36,7 +36,7 @@ func (a *App) startup(ctx context.Context) {
 	}
 
 	// Add location read scope so we can fetch character locations
-	a.ssi = NewESISSO(clientID, redirectURI, []string{
+	ssi, err := NewESISSO(clientID, redirectURI, []string{
 		"esi-location.read_location.v1",
 		"esi-location.read_ship_type.v1",
 		"esi-mail.organize_mail.v1",
@@ -76,6 +76,11 @@ func (a *App) startup(ctx context.Context) {
 		"esi-characters.read_titles.v1",
 		"esi-characters.read_fw_stats.v1",
 	})
+	if err != nil {
+		fmt.Printf("ERROR: Failed to initialize ESI SSO: %v\n", err)
+		return
+	}
+	a.ssi = ssi
 }
 
 // Greet returns a greeting for the given name

esi_sso.go

@@ -74,6 +74,10 @@ type ESIToken struct {
 	CreatedAt       time.Time
 }
 
+func (ESIToken) TableName() string {
+	return "esi_tokens"
+}
+
 type CharacterInfo struct {
 	CharacterID     int64  `json:"character_id"`
 	CharacterName   string `json:"character_name"`
@@ -108,28 +112,42 @@ type SystemKills struct {
 	NpcKills  int64 `json:"npc_kills"`
 }
 
-func NewESISSO(clientID string, redirectURI string, scopes []string) *ESISSO {
+func NewESISSO(clientID string, redirectURI string, scopes []string) (*ESISSO, error) {
 	s := &ESISSO{
 		clientID:    clientID,
 		redirectURI: redirectURI,
 		scopes:      scopes,
 	}
-	_ = s.initDB()
-	return s
+	if err := s.initDB(); err != nil {
+		return nil, fmt.Errorf("failed to initialize database: %w", err)
+	}
+	return s, nil
 }
 
 func (s *ESISSO) initDB() error {
 	home, err := os.UserHomeDir()
 	if err != nil {
-		return err
+		return fmt.Errorf("failed to get user home directory: %w", err)
 	}
 	dbPath := filepath.Join(home, ".industrializer", "sqlite-latest.sqlite")
 	db, err := gorm.Open(sqlite.Open(dbPath), &gorm.Config{})
 	if err != nil {
-		return err
+		return fmt.Errorf("failed to open database at %s: %w", dbPath, err)
+	}
+
+	sqlDB, err := db.DB()
+	if err != nil {
+		return fmt.Errorf("failed to get underlying sql.DB: %w", err)
+	}
+
+	if err := sqlDB.Ping(); err != nil {
+		return fmt.Errorf("failed to ping database: %w", err)
+	}
+
+	if !db.Migrator().HasTable(&ESIToken{}) {
+		if err := db.Migrator().CreateTable(&ESIToken{}); err != nil {
+			return fmt.Errorf("failed to create table esi_tokens: %w", err)
 		}
-	if err := db.AutoMigrate(&ESIToken{}); err != nil {
-		return err
 	}
 	s.db = db
 	return nil