Add file and admin panel

app/admin.py

@@ -1,8 +1,25 @@
 from django.contrib import admin
-from django.contrib import admin
-from app.models import Setting
+from app.models import Setting, File
+from django.conf import settings
 
 # Register your models here.
 
 
-admin.site.register(Setting)
+class SettingAdmin(admin.ModelAdmin):
+    list_display = ('name', 'language', 'string_short')
+    search_fields = ('name', )
+
+    def string_short(self, obj):
+        if len(obj.string) > 70:
+            return obj.string[:70] + '...'
+        else:
+            return obj.string
+
+
+class FileAdmin(admin.ModelAdmin):
+    list_display = ('name', )
+
+
+admin.site.register(Setting, SettingAdmin)
+admin.site.register(File, FileAdmin)
+admin.site.site_header = settings.APP_NAME + ' administration'