2018-09-06 12:00:01 +02:00

252 lines
8.5 KiB
Python

from django.contrib import messages
from django.contrib.admin import helpers
from django.contrib.admin.utils import model_ngettext
from django.core.exceptions import PermissionDenied
from django.template.response import TemplateResponse
from documents.classifier import DocumentClassifier
from documents.models import Tag, Correspondent, DocumentType
def add_tag_to_selected(modeladmin, request, queryset):
opts = modeladmin.model._meta
app_label = opts.app_label
if not modeladmin.has_change_permission(request):
raise PermissionDenied
if request.POST.get('post'):
n = queryset.count()
tag = Tag.objects.get(id=request.POST.get('tag_id'))
if n:
for obj in queryset:
obj.tags.add(tag)
obj_display = str(obj)
modeladmin.log_change(request, obj, obj_display)
modeladmin.message_user(request, "Successfully added tag %(tag)s to %(count)d %(items)s." % {
"tag": tag.name, "count": n, "items": model_ngettext(modeladmin.opts, n)
}, messages.SUCCESS)
# Return None to display the change list page again.
return None
title = "Add tag to multiple documents"
context = dict(
modeladmin.admin_site.each_context(request),
title=title,
queryset=queryset,
opts=opts,
action_checkbox_name=helpers.ACTION_CHECKBOX_NAME,
media=modeladmin.media,
action="add_tag_to_selected",
tags=Tag.objects.all()
)
request.current_app = modeladmin.admin_site.name
return TemplateResponse(request,
"admin/%s/%s/mass_modify_tag.html" % (app_label, opts.model_name)
, context)
add_tag_to_selected.short_description = "Add tag to selected documents"
def remove_tag_from_selected(modeladmin, request, queryset):
opts = modeladmin.model._meta
app_label = opts.app_label
if not modeladmin.has_change_permission(request):
raise PermissionDenied
if request.POST.get('post'):
n = queryset.count()
tag = Tag.objects.get(id=request.POST.get('tag_id'))
if n:
for obj in queryset:
obj.tags.remove(tag)
obj_display = str(obj)
modeladmin.log_change(request, obj, obj_display)
modeladmin.message_user(request, "Successfully removed tag %(tag)s from %(count)d %(items)s." % {
"tag": tag.name, "count": n, "items": model_ngettext(modeladmin.opts, n)
}, messages.SUCCESS)
# Return None to display the change list page again.
return None
title = "Remove tag from multiple documents"
context = dict(
modeladmin.admin_site.each_context(request),
title=title,
queryset=queryset,
opts=opts,
action_checkbox_name=helpers.ACTION_CHECKBOX_NAME,
media=modeladmin.media,
action="remove_tag_from_selected",
tags=Tag.objects.all()
)
request.current_app = modeladmin.admin_site.name
return TemplateResponse(request,
"admin/%s/%s/mass_modify_tag.html" % (app_label, opts.model_name)
, context)
remove_tag_from_selected.short_description = "Remove tag from selected documents"
def set_correspondent_on_selected(modeladmin, request, queryset):
opts = modeladmin.model._meta
app_label = opts.app_label
if not modeladmin.has_change_permission(request):
raise PermissionDenied
if request.POST.get('post'):
n = queryset.count()
correspondent = Correspondent.objects.get(id=request.POST.get('correspondent_id'))
if n:
for obj in queryset:
obj_display = str(obj)
modeladmin.log_change(request, obj, obj_display)
queryset.update(correspondent=correspondent)
modeladmin.message_user(request, "Successfully set correspondent %(correspondent)s on %(count)d %(items)s." % {
"correspondent": correspondent.name, "count": n, "items": model_ngettext(modeladmin.opts, n)
}, messages.SUCCESS)
# Return None to display the change list page again.
return None
title = "Set correspondent on multiple documents"
context = dict(
modeladmin.admin_site.each_context(request),
title=title,
queryset=queryset,
opts=opts,
action_checkbox_name=helpers.ACTION_CHECKBOX_NAME,
media=modeladmin.media,
correspondents=Correspondent.objects.all()
)
request.current_app = modeladmin.admin_site.name
return TemplateResponse(request,
"admin/%s/%s/set_correspondent.html" % (app_label, opts.model_name)
, context)
set_correspondent_on_selected.short_description = "Set correspondent on selected documents"
def remove_correspondent_from_selected(modeladmin, request, queryset):
if not modeladmin.has_change_permission(request):
raise PermissionDenied
n = queryset.count()
if n:
for obj in queryset:
obj_display = str(obj)
modeladmin.log_change(request, obj, obj_display)
queryset.update(correspondent=None)
modeladmin.message_user(request, "Successfully removed correspondent from %(count)d %(items)s." % {
"count": n, "items": model_ngettext(modeladmin.opts, n)
}, messages.SUCCESS)
return None
remove_correspondent_from_selected.short_description = "Remove correspondent from selected documents"
def set_document_type_on_selected(modeladmin, request, queryset):
opts = modeladmin.model._meta
app_label = opts.app_label
if not modeladmin.has_change_permission(request):
raise PermissionDenied
if request.POST.get('post'):
n = queryset.count()
document_type = DocumentType.objects.get(id=request.POST.get('document_type_id'))
if n:
for obj in queryset:
obj_display = str(obj)
modeladmin.log_change(request, obj, obj_display)
queryset.update(document_type=document_type)
modeladmin.message_user(request, "Successfully set document type %(document_type)s on %(count)d %(items)s." % {
"document_type": document_type.name, "count": n, "items": model_ngettext(modeladmin.opts, n)
}, messages.SUCCESS)
# Return None to display the change list page again.
return None
title = "Set document type on multiple documents"
context = dict(
modeladmin.admin_site.each_context(request),
title=title,
queryset=queryset,
opts=opts,
action_checkbox_name=helpers.ACTION_CHECKBOX_NAME,
media=modeladmin.media,
document_types=DocumentType.objects.all()
)
request.current_app = modeladmin.admin_site.name
return TemplateResponse(request,
"admin/%s/%s/set_document_type.html" % (app_label, opts.model_name)
, context)
set_document_type_on_selected.short_description = "Set document type on selected documents"
def remove_document_type_from_selected(modeladmin, request, queryset):
if not modeladmin.has_change_permission(request):
raise PermissionDenied
n = queryset.count()
if n:
for obj in queryset:
obj_display = str(obj)
modeladmin.log_change(request, obj, obj_display)
queryset.update(document_type=None)
modeladmin.message_user(request, "Successfully removed document type from %(count)d %(items)s." % {
"count": n, "items": model_ngettext(modeladmin.opts, n)
}, messages.SUCCESS)
return None
remove_document_type_from_selected.short_description = "Remove document type from selected documents"
def run_document_classifier_on_selected(modeladmin, request, queryset):
if not modeladmin.has_change_permission(request):
raise PermissionDenied
try:
clf = DocumentClassifier.load_classifier()
except FileNotFoundError:
modeladmin.message_user(request, "Classifier model file not found.", messages.ERROR)
return None
n = queryset.count()
if n:
for obj in queryset:
clf.classify_document(obj, classify_correspondent=True, classify_tags=True, classify_type=True, replace_tags=True)
modeladmin.log_change(request, obj, str(obj))
modeladmin.message_user(request, "Successfully applied tags, correspondent and type to %(count)d %(items)s." % {
"count": n, "items": model_ngettext(modeladmin.opts, n)
}, messages.SUCCESS)
return None
run_document_classifier_on_selected.short_description = "Run document classifier on selected"