UI für die simple pagination. 'add' und 'sub' template-funktionen hinzugefügt.

1 files changed, 16 insertions, 0 deletions

diff --git a/modules/tags/tags.go b/modules/tags/tags.go
index aca1b44..527d1d9 100644
--- a/modules/tags/tags.go
+++ b/modules/tags/tags.go
@@ -69,6 +69,20 @@ func (m *Module) viewTagPage(w http.ResponseWriter, r *http.Request, p httproute
                 pageNumber = 1
         }
 
+        // Anzahl an Pages holen
+        var pageNum int
+        err = m.g.DB.QueryRow(`SELECT COUNT(*) FROM grilist.grils_tags WHERE tag_id = $1`, tagID).Scan(&pageNum)
+        if err != nil {
+                log.Println("error getting page count", err)
+                http.Redirect(w, r, "/", 302)
+                return
+        }
+        pageCount := (int)((float64)(pageNum)/12.0 + 0.5)
+
+        if pageNumber > pageCount {
+                pageNumber = pageCount
+        }
+
         idList := make([]int, 0)
         rows, err := m.g.DB.Query(
                 "SELECT gril_id FROM grilist.grils_tags WHERE tag_id = $1 LIMIT 12 OFFSET $2",
@@ -108,5 +122,7 @@ func (m *Module) viewTagPage(w http.ResponseWriter, r *http.Request, p httproute
         data["user"] = user
         data["tag"] = tag
         data["cards"] = cards
+        data["currentPage"] = pageNumber
+        data["pageCount"] = pageCount
         m.g.Renderer.RenderPage("tag", w, data)
 }