chore: extract mail to it's own service

handler/auth.go

@@ -73,7 +73,7 @@ func (handler HandlerAuthImpl) handleSignIn() http.HandlerFunc {
 				http.Error(w, "Invalid email or password", http.StatusUnauthorized)
 			} else {
 				utils.LogError("Error signing in", err)
-				http.Error(w, "An error occurred", http.StatusInternalServerError)
+				http.Error(w, "InternalServerErr", http.StatusInternalServerError)
 			}
 			return
 		}

handler/auth_test.go

@@ -0,0 +1,11 @@
+package handler
+
+import (
+	"testing"
+)
+
+func TestHandleSignIn(t *testing.T) {
+	t.Parallel()
+	t.Run("should signIn and return session cookie", func(t *testing.T) {
+	})
+}

handler/default.go

@@ -14,7 +14,7 @@ func GetHandler(d *sql.DB) http.Handler {
 
 	router.HandleFunc("/", service.HandleIndexAnd404(d))
 
-	handlerAuth := NewHandlerAuth(d, service.NewServiceAuthImpl(db.NewDbAuthSqlite(d)))
+	handlerAuth := NewHandlerAuth(d, service.NewServiceAuthImpl(db.NewDbAuthSqlite(d), service.NewServiceMail()))
 
 	// Serve static files (CSS, JS and images)
 	router.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.Dir("./static/"))))