1 files changed, 42 insertions, 2 deletions

diff --git a/modules/lists/lists.go b/modules/lists/lists.go
index 8957c5f..85e6ce5 100644
--- a/modules/lists/lists.go
+++ b/modules/lists/lists.go
@@ -15,6 +15,7 @@ import (
         "net/http"
         "net/url"
         "strconv"
+        "sort"
 )
 
 // Module und so.
@@ -40,6 +41,12 @@ type ListGril struct {
         Order int
 }
 
+// ListGrils ist die Sort-Interface Implementation für Grils einer Liste.
+type ListGrils []*ListGril
+func (l ListGrils) Len() int { return len(l) }
+func (l ListGrils) Swap(i, j int) { l[i], l[j] = l[j], l[i] }
+func (l ListGrils) Less(i, j int) bool { return l[i].Order < l[j].Order }
+
 // Name gibt den Namen des Moduls zurück
 func (m *Module) Name() string {
         return "Lists"
@@ -90,6 +97,7 @@ func (m *Module) getListGrils(list *List) error {
 
                 list.Grils = append(list.Grils, lg)
         }
+        sort.Sort(ListGrils(list.Grils))
         return nil
 }
 
@@ -258,8 +266,40 @@ func (m *Module) addGrilToList(w http.ResponseWriter, r *http.Request, p httprou
                 return
         }
 
-        log.Println("implement: add gril", grilID, "to list", listID)
-        http.Error(w, "not implemented", 500)
+        list, err := m.FromID(listID)
+        if err != nil {
+                http.Error(w, "invalid list", 404)
+                return
+        }
+
+        rank := 0
+        if len(list.Grils) > 0 {
+                rank = list.Grils[len(list.Grils) - 1].Order + 1
+        }
+
+        // rein in die DB damit
+        _, err = m.g.DB.Query(`INSERT INTO grilist.lists_grils(list_id, gril_id, "order") VALUES($1, $2, $3)`, listID, grilID, rank)
+        if err != nil {
+                log.Println("error inserting gril into list:", err)
+                http.Error(w, "could not insert gril", 500)
+                return
+        }
+
+        gril, err := m.grils.FromID(grilID)
+        if err != nil {
+                log.Println("inserted gril into list but couldnt get gril afterwards:", err)
+                http.Error(w, "error after insert", 500)
+                return
+        }
+
+        data := m.g.Renderer.DefaultData()
+        data["Index"] = len(list.Grils)
+        value := make(map[string]interface{})
+        value["IsListOwner"] = true
+        value["Gril"] = ListGril{ gril, rank }
+        data["Value"] = value
+        m.g.Renderer.RenderPage("list_gril", w, data)
+        return
 }
 
 func (m *Module) displayCreateList(w http.ResponseWriter, r *http.Request, p httprouter.Params) {