Backend: Add translations for API messages

Signed-off-by: Michael Mayer <michael@liquidbytes.net>

internal/api/api.go

@@ -32,7 +32,11 @@ https://docs.photoprism.org/developer-guide/
 package api
 
 import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
 	"github.com/photoprism/photoprism/internal/event"
+	"github.com/photoprism/photoprism/internal/i18n"
 	"github.com/photoprism/photoprism/internal/service"
 )
 
@@ -49,3 +53,33 @@ func UpdateClientConfig() {
 
 	event.Publish("config.updated", event.Data{"config": conf.UserConfig()})
 }
+
+func Abort(c *gin.Context, code int, id i18n.Message, params ...interface{}) {
+	resp := i18n.NewResponse(code, id, params...)
+	log.Errorf("api: %s", resp.LowerString())
+	c.AbortWithStatusJSON(code, resp)
+}
+
+func AbortUnauthorized(c *gin.Context) {
+	Abort(c, http.StatusUnauthorized, i18n.ErrUnauthorized)
+}
+
+func AbortEntityNotFound(c *gin.Context) {
+	Abort(c, http.StatusNotFound, i18n.ErrEntityNotFound)
+}
+
+func AbortSaveFailed(c *gin.Context) {
+	Abort(c, http.StatusInternalServerError, i18n.ErrSaveFailed)
+}
+
+func AbortUnexpected(c *gin.Context) {
+	Abort(c, http.StatusInternalServerError, i18n.ErrUnexpected)
+}
+
+func AbortBadRequest(c *gin.Context) {
+	Abort(c, http.StatusBadRequest, i18n.ErrBadRequest)
+}
+
+func AbortAlreadyExists(c *gin.Context, s string) {
+	Abort(c, http.StatusConflict, i18n.ErrAlreadyExists, s)
+}