95 lines
3.1 KiB
Python
95 lines
3.1 KiB
Python
from django.http import JsonResponse
|
|
from django.utils.decorators import method_decorator
|
|
from django.views.decorators.http import require_POST
|
|
from django.views.generic.base import TemplateResponseMixin, View
|
|
from django.views.generic.detail import SingleObjectMixin
|
|
from django.views.generic.edit import FormMixin, ModelFormMixin, ProcessFormView
|
|
|
|
# #############################################################################
|
|
# Views for use with AJAX
|
|
# #############################################################################
|
|
|
|
|
|
class JsonMixin:
|
|
success = True
|
|
errors = {}
|
|
|
|
def get_data(self, **kwargs):
|
|
data = {"success": self.success, "errors": self.errors}
|
|
data.update(kwargs)
|
|
return data
|
|
|
|
def render_to_json(self, **kwargs):
|
|
return JsonResponse(self.get_data(**kwargs))
|
|
|
|
|
|
class JsonFormMixin(JsonMixin, FormMixin):
|
|
def form_valid(self, form):
|
|
"""If the form is valid, return success"""
|
|
return self.render_to_json()
|
|
|
|
def form_invalid(self, form):
|
|
"""If the form is invalid, return the errors and no success"""
|
|
return self.render_to_json(success=False, errors=form.errors)
|
|
|
|
|
|
class JsonModelFormMixin(JsonFormMixin, ModelFormMixin):
|
|
def form_valid(self, form):
|
|
"""Override form_valid to return a JSON response"""
|
|
self.object = form.save()
|
|
return super().form_valid(form)
|
|
|
|
|
|
class JsonMessageMixin:
|
|
message = ""
|
|
|
|
def get_message(self):
|
|
return {"content": self.message, "class": "success"}
|
|
|
|
def get_data(self, **kwargs):
|
|
kwargs.update(message=self.get_message())
|
|
return super().get_data(**kwargs)
|
|
|
|
|
|
class JsonDetailView(JsonMixin, SingleObjectMixin, TemplateResponseMixin, View):
|
|
def get(self, request, *args, **kwargs):
|
|
self.object = self.get_object()
|
|
context = self.get_context_data(object=self.object)
|
|
return self.render_to_json(
|
|
html=self.render_to_response(context).rendered_content
|
|
)
|
|
|
|
|
|
class JsonDeleteView(JsonMessageMixin, JsonDetailView):
|
|
def get(self, request, *args, **kwargs):
|
|
obj = self.get_object()
|
|
obj.delete()
|
|
return self.render_to_json(action="delete")
|
|
|
|
|
|
@method_decorator(require_POST, name="dispatch")
|
|
class JsonCreateView(
|
|
JsonMessageMixin, JsonModelFormMixin, TemplateResponseMixin, ProcessFormView
|
|
):
|
|
def render_to_json(self, **kwargs):
|
|
context = self.get_context_data(object=self.object)
|
|
kwargs.update(
|
|
html=self.render_to_response(context).rendered_content, action="create"
|
|
)
|
|
return super().render_to_json(**kwargs)
|
|
|
|
|
|
@method_decorator(require_POST, name="dispatch")
|
|
class JsonUpdateView(
|
|
JsonMessageMixin, JsonModelFormMixin, TemplateResponseMixin, ProcessFormView
|
|
):
|
|
def post(self, request, *args, **kwargs):
|
|
self.object = self.get_object()
|
|
return super().post(request, *args, **kwargs)
|
|
|
|
def render_to_json(self, **kwargs):
|
|
context = self.get_context_data(object=self.object)
|
|
kwargs.update(
|
|
html=self.render_to_response(context).rendered_content, action="update"
|
|
)
|
|
return super().render_to_json(**kwargs)
|