23 lines
707 B
Python
23 lines
707 B
Python
from django.contrib import admin
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from django.http import HttpResponseRedirect
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from django.urls import reverse
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from core.apps.shared.models import UsdCourse
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@admin.register(UsdCourse)
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class UsdCourseAdmin(admin.ModelAdmin):
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def has_add_permission(self, request):
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return not UsdCourse.objects.exists()
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def has_delete_permission(self, request, obj = ...):
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return False
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def changelist_view(self, request, extra_context=None):
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config, created = UsdCourse.objects.get_or_create(
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defaults=dict(
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value=0
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)
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)
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url = reverse("admin:shared_usdcourse_change", args=[config.id])
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return HttpResponseRedirect(url) |