dates in tabulatures, based on django style with almost no new code. only applied to projects change list page

input/admin.py

@@ -32,13 +32,18 @@ class ProjectAdmin(admin.ModelAdmin):
     search_fields = ('name', 'pid','finance_id', 'realname', 'start', 'end', 'participants_estimated', 'participants_real', 'cost', 'status')
     list_display = ('name', 'pid','finance_id', 'realname', 'start', 'end', 'participants_estimated', 'participants_real', 'cost', 'status')
     #    action = ['export_as_csv']
+    date_hierarchy = 'start'
 
 @admin.register(BusinessCard)
 class BusinessCardAdmin(admin.ModelAdmin):
-    save_as = True
-    search_fields = ('realname', 'service_id', 'granted', 'granted_date', 'project')
+    save_as = True    
+    search_fields = (('realname', 'service_id'), 'granted', 'granted_date', 'project')
     list_display = ('realname', 'service_id', 'granted', 'granted_date', 'project')
+    list_display_links = ('realname', 'service_id')
     #    action = ['export_as_csv']
+    classes = ['collapse']
+    
+
 
 admin.site.register([
                      Account,

input/models.py

@@ -93,12 +93,14 @@ class Project(Volunteer):
         # we don't call save with args/kwargs to avoid UNIQUE CONSTRAINT errors
         # but maybe there is a better solution?
         super().save()
-        self.pid = str(self.account.code) + str(self.pk).zfill(3)
+        self.pid = str(self.start.year) + '-' + str(self.account.code) + str(self.pk).zfill(3)
+        # self.pid = str(self.account.code) + str(self.pk).zfill(3)
         # generation of finance_id
         if not self.project_of_year:
-            #print('AAA')
+            print('AAA')
             # we need to determine if this is a new year with its first new project...
             year = self.start.year
+            print(year)
             projects = Project.objects.filter(start__year=year)
             if not projects:
                 #print('BBB')