Please help me to add button functionality in django admin panel for filter list of objects

[ARVIND SHRIVASTAV]

hey guys i want to add the action on click the list will be filter of objects

here the on click of view client task i want to filter task which author type is client

Here its my try.

inherit html

{% extends 'admin/change_list.html' %}

{% block object-tools %}

<div>

<form action="" method="POST">

{% csrf_token %}

<button type="submit" name="get_client">View Client Task</button>

</form>

</div>

<br />

admin.py

task admin

from django.conf.urls import patterns, url

from django.core.urlresolvers import reverse

class TaskAdmin(SimpleHistoryAdmin, ExportActionModelAdmin):

change_list_template = "admin/client_task_change_list.html"

fieldsets = (

(

None,

{'fields': ('title', 'amount','word','status', 'manager', 'executive', 'assignee','owner','timezone','moved_to_freelancer_portal', 'can_send_without_payment', 'start_date','deadline_soft','deadline_hard','client','team_lead','quality_manager','referencing_style', 'tags')}

),

(

_('Content'),

{'fields': ('description','author')}

),

(

_('Tracking'),

{'fields': ('accepted_by_manager', 'accepted_by_manager_at', 'completed_by_employee', 'completed_by_employee_at',\

'verified_by_manager','verified_by_manager_at','verified_by_quality','verified_by_quality_at',\

'sent_to_client','sent_to_client_at','completed_on')}

),

)

inlines = (PaymentInline,RatingInline,)

list_display = ('title', 'status', 'client', 'manager', 'assignee', 'executive', 'team_lead', 'quality_manager','get_payment_status','author','created_at','deadline_soft','deadline_hard','word')

list_filter = ('status', 'author__type', 'client__clientprofile__email_to_use', OverdueTaskListFilter,('manager', admin.RelatedOnlyFieldListFilter), ('team_lead', admin.RelatedOnlyFieldListFilter), ('quality_manager', admin.RelatedOnlyFieldListFilter),PaymentStatusCategoryListFilter,('deadline_soft', DateRangeFilter),('deadline_hard', DateRangeFilter), ('start_date', DateRangeFilter), ('completed_on', DateRangeFilter), AuthorFilter, ('owner', admin.RelatedOnlyFieldListFilter), 'moved_to_freelancer_portal')

search_fields = ('key', 'title', 'client__username', 'client__email', 'manager__email',)

date_hierarchy = ('deadline_hard')

resource_class = TaskResource

# def get_urls(self):

# urls = super(TaskAdmin,self).get_urls()

# extra_url = patterns('',

# # url(r'^Client/$',self.get_client_task, name='get_client_task'),#self.admin_site.admin_view(self.do_evil_view))

# url(r'^client/$',self.admin_site.admin_view(self.get_client_task)),

# )

# return urls + extra_url

# def get_client_task(self, request):

# # if 'get_client' in request.POST:

# Task.objects.filter(author__type = UserAccount.LEVEL0)

# # if self.model.objects.filter(author__type = UserAccount.LEVEL0).exists():

# self.message_user(request, "Here Its all Clients Tasks")

# # else:

# # self.message_user(request, "NO Clients Tasks")

# return reverse('../')

formats = (

base_formats.CSV,

base_formats.XLS,

)

raw_id_fields = ('author','assignee', 'team_lead','executive','quality_manager', 'manager', 'client', 'owner', 'executive', 'specification')

history_list_display = ["history_change_reason", "word", "deadline_hard","moved_to_freelancer_portal", "status"]

#filter_horizontal = ('equipment',)

# def render_change_form(self, request, context, *args, **kwargs):

# """We need to update the context to show the button."""

# context.update({'show_client_task': True})

# return super().render_change_form(request, context, *args, **kwargs)

def get_payment_status(self, obj):

return obj.payment.get_status()

get_payment_status.short_description = 'Payment'

def get_queryset(self, request):

queryset = super(TaskAdmin, self).get_queryset(

request).annotate(feedback_count=Count('feedback'))

# if 'get_client' in request.POST:

# queryset.filter(author__type = UserAccount.LEVEL0)

# return queryset

# return queryset

    {{ block.super }}

{% endblock %}

[MR INDIA]

This article can help : https://hakibenita.medium.com/how-to-add-custom-action-buttons-to-django-admin-8d266f5b0d41