admin: Use gin-gonic as router

admin/sync/themes.go

@@ -5,13 +5,14 @@ import (
 	"image"
 	"image/jpeg"
 	"math/rand"
+	"net/http"
 	"os"
 	"path"
 	"regexp"
 	"strings"
 	"unicode"
 
-	"github.com/julienschmidt/httprouter"
+	"github.com/gin-gonic/gin"
 	"github.com/russross/blackfriday/v2"
 	"golang.org/x/image/draw"
 
@@ -235,16 +236,23 @@ func SyncThemes(i Importer) (errs []string) {
 }
 
 // ApiListRemoteThemes is an accessor letting foreign packages to access remote themes list.
-func ApiListRemoteThemes(_ httprouter.Params, _ []byte) (interface{}, error) {
-	return GetThemes(GlobalImporter)
+func ApiListRemoteThemes(c *gin.Context) {
+	themes, err := GetThemes(GlobalImporter)
+	if err != nil {
+		c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"errmsg": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, themes)
 }
 
 // ApiListRemoteTheme is an accessor letting foreign packages to access remote main theme attributes.
-func ApiGetRemoteTheme(ps httprouter.Params, _ []byte) (interface{}, error) {
-	r, errs := BuildTheme(GlobalImporter, ps.ByName("thid"))
+func ApiGetRemoteTheme(c *gin.Context) {
+	r, errs := BuildTheme(GlobalImporter, c.Params.ByName("thid"))
 	if r == nil {
-		return r, fmt.Errorf("%q", errs)
-	} else {
-		return r, nil
+		c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"errmsg": fmt.Errorf("%q", errs)})
+		return
 	}
+
+	c.JSON(http.StatusOK, r)
 }