Added admin pages for failures and success.

SAVE_LIMIT can now be set to limit the amount of saved tasks results.

django_q/admin.py

@@ -1,7 +1,6 @@
 from django.contrib import admin
 
-# Register your models here.
-from .models import Task
+from .models import Success, Failure
 
 
 class TaskAdmin(admin.ModelAdmin):
@@ -9,7 +8,48 @@ class TaskAdmin(admin.ModelAdmin):
         u'name',
         'func',
         'started',
-        'time_taken',
-        'success'
+        'time_taken'
     )
-admin.site.register(Task, TaskAdmin)
+
+    def has_add_permission(self, request, obj=None):
+        """Don't allow adds"""
+        return False
+
+    def get_queryset(self, request):
+        """Only show successes"""
+        qs = super(TaskAdmin, self).get_queryset(request)
+        return qs.filter(success=True)
+
+    search_fields = ['name']
+    readonly_fields = []
+
+    def get_readonly_fields(self, request, obj=None):
+        return list(self.readonly_fields) + \
+               [field.name for field in obj._meta.fields]
+
+
+def retry_failed(FailAdmin, request, queryset):
+    pass
+
+
+retry_failed.short_description = "Resubmit selected tasks to Q"
+
+
+class FailAdmin(admin.ModelAdmin):
+    list_display = (
+        u'name',
+        'func',
+        'started',
+        'result'
+    )
+    actions = [retry_failed]
+    search_fields = ['name']
+    readonly_fields = []
+
+    def get_readonly_fields(self, request, obj=None):
+        return list(self.readonly_fields) + \
+               [field.name for field in obj._meta.fields]
+
+
+admin.site.register(Success, TaskAdmin)
+admin.site.register(Failure, FailAdmin)