2018-07-16 18:19:05 +02:00

281 lines
9.6 KiB
Python
Executable File

from datetime import datetime
from django.conf import settings
from django.contrib import admin, messages
from django.contrib.admin.templatetags.admin_urls import add_preserved_filters
from django.contrib.auth.models import User, Group
from django.http import HttpResponseRedirect
from django.urls import reverse
from django.templatetags.static import static
from django.utils.html import format_html
from django.utils.http import urlquote
from django.utils.safestring import mark_safe
from documents.actions import add_tag_to_selected, remove_tag_from_selected, set_correspondent_on_selected, \
remove_correspondent_from_selected
from .models import Correspondent, Tag, Document, Log
class FinancialYearFilter(admin.SimpleListFilter):
title = "Financial Year"
parameter_name = "fy"
_fy_wraps = None
def _fy_start(self, year):
"""Return date of the start of financial year for the given year."""
fy_start = "{}-{}".format(str(year), settings.FY_START)
return datetime.strptime(fy_start, "%Y-%m-%d").date()
def _fy_end(self, year):
"""Return date of the end of financial year for the given year."""
fy_end = "{}-{}".format(str(year), settings.FY_END)
return datetime.strptime(fy_end, "%Y-%m-%d").date()
def _fy_does_wrap(self):
"""Return whether the financial year spans across two years."""
if self._fy_wraps is None:
start = "{}".format(settings.FY_START)
start = datetime.strptime(start, "%m-%d").date()
end = "{}".format(settings.FY_END)
end = datetime.strptime(end, "%m-%d").date()
self._fy_wraps = end < start
return self._fy_wraps
def _determine_fy(self, date):
"""Return a (query, display) financial year tuple of the given date."""
if self._fy_does_wrap():
fy_start = self._fy_start(date.year)
if date.date() >= fy_start:
query = "{}-{}".format(date.year, date.year + 1)
else:
query = "{}-{}".format(date.year - 1, date.year)
# To keep it simple we use the same string for both
# query parameter and the display.
return (query, query)
else:
query = "{0}-{0}".format(date.year)
display = "{}".format(date.year)
return (query, display)
def lookups(self, request, model_admin):
if not settings.FY_START or not settings.FY_END:
return None
r = []
for document in Document.objects.all():
r.append(self._determine_fy(document.created))
return sorted(set(r), key=lambda x: x[0], reverse=True)
def queryset(self, request, queryset):
if not self.value() or not settings.FY_START or not settings.FY_END:
return None
start, end = self.value().split("-")
return queryset.filter(created__gte=self._fy_start(start),
created__lte=self._fy_end(end))
class CommonAdmin(admin.ModelAdmin):
list_per_page = settings.PAPERLESS_LIST_PER_PAGE
class CorrespondentAdmin(CommonAdmin):
list_display = ("name", "match", "matching_algorithm", "document_count")
list_filter = ("matching_algorithm",)
list_editable = ("match", "matching_algorithm")
def save_model(self, request, obj, form, change):
super().save_model(request, obj, form, change)
for document in Document.objects.filter(correspondent__isnull=True).exclude(tags__is_archived_tag=True):
if obj.matches(document.content):
document.correspondent = obj
document.save(update_fields=("correspondent",))
def document_count(self, obj):
return obj.documents.count()
class TagAdmin(CommonAdmin):
list_display = ("name", "colour", "match", "matching_algorithm",
"document_count")
list_filter = ("colour", "matching_algorithm")
list_editable = ("colour", "match", "matching_algorithm")
def save_model(self, request, obj, form, change):
super().save_model(request, obj, form, change)
for document in Document.objects.all().exclude(tags__is_archived_tag=True):
if obj.matches(document.content):
document.tags.add(obj)
def document_count(self, obj):
return obj.documents.count()
class DocumentAdmin(CommonAdmin):
class Media:
css = {
"all": ("paperless.css",)
}
search_fields = ("correspondent__name", "title", "content", "tags__name")
readonly_fields = ("added",)
list_display = ("title", "created", "added", "thumbnail", "correspondent",
"tags_", "archive_serial_number")
list_filter = ("tags", "correspondent", FinancialYearFilter)
ordering = ["-created", "correspondent"]
actions = [add_tag_to_selected, remove_tag_from_selected, set_correspondent_on_selected, remove_correspondent_from_selected]
date_hierarchy = 'created'
document_queue = None
def has_add_permission(self, request):
return False
def created_(self, obj):
return obj.created.date().strftime("%Y-%m-%d")
created_.short_description = "Created"
def changelist_view(self, request, extra_context=None):
response = super().changelist_view(request, extra_context)
if 'cl' in response.context_data:
self.document_queue = [doc.id for doc in response.context_data['cl'].queryset]
return response
def change_view(self, request, object_id=None, form_url='', extra_context=None):
extra_context = extra_context or {}
doc = Document.objects.get(id=object_id)
extra_context['download_url'] = doc.download_url
extra_context['file_type'] = doc.file_type
if self.document_queue:
#There is a queue of documents
current_index = self.document_queue.index(int(object_id))
if current_index < len(self.document_queue) - 1:
#... and there are still documents in the queue
next_object = self.document_queue[current_index + 1]
extra_context['next_object'] = next_object
return super(DocumentAdmin, self).change_view(
request, object_id, form_url, extra_context=extra_context,
)
def response_change(self, request, obj):
# This is mostly copied from ModelAdmin.response_change()
opts = self.model._meta
preserved_filters = self.get_preserved_filters(request)
msg_dict = {
'name': opts.verbose_name,
'obj': format_html('<a href="{}">{}</a>', urlquote(request.path), obj),
}
if "_saveandeditnext" in request.POST:
msg = format_html(
'The {name} "{obj}" was changed successfully. Editing next object.',
**msg_dict
)
self.message_user(request, msg, messages.SUCCESS)
redirect_url = reverse('admin:%s_%s_change' %
(opts.app_label, opts.model_name),
args=(request.POST['_next_object'],),
current_app=self.admin_site.name)
redirect_url = add_preserved_filters({'preserved_filters': preserved_filters, 'opts': opts}, redirect_url)
response = HttpResponseRedirect(redirect_url)
else:
response = super().response_change(request, obj)
return response
@mark_safe
def thumbnail(self, obj):
return self._html_tag(
"a",
self._html_tag(
"img",
src=reverse("fetch", kwargs={"kind": "thumb", "pk": obj.pk}),
width=180,
alt="Thumbnail of {}".format(obj.file_name),
title=obj.file_name
),
href=obj.download_url
)
@mark_safe
def tags_(self, obj):
r = ""
for tag in obj.tags.all():
colour = tag.get_colour_display()
r += self._html_tag(
"a",
tag.slug,
**{
"class": "tag",
"style": "background-color: {};".format(colour),
"href": "{}?tags__id__exact={}".format(
reverse("admin:documents_document_changelist"),
tag.pk
)
}
)
return r
@mark_safe
def document(self, obj):
# TODO: is this method even used anymore?
return self._html_tag(
"a",
self._html_tag(
"img",
src=static("documents/img/{}.png".format(obj.file_type)),
width=22,
height=22,
alt=obj.file_type,
title=obj.file_name
),
href=obj.download_url
)
@staticmethod
def _html_tag(kind, inside=None, **kwargs):
attributes = []
for lft, rgt in kwargs.items():
attributes.append('{}="{}"'.format(lft, rgt))
if inside is not None:
return "<{kind} {attributes}>{inside}</{kind}>".format(
kind=kind, attributes=" ".join(attributes), inside=inside)
return "<{} {}/>".format(kind, " ".join(attributes))
class LogAdmin(CommonAdmin):
list_display = ("created", "message", "level",)
list_filter = ("level", "created",)
admin.site.register(Correspondent, CorrespondentAdmin)
admin.site.register(Tag, TagAdmin)
admin.site.register(Document, DocumentAdmin)
admin.site.register(Log, LogAdmin)
# Unless we implement multi-user, these default registrations don't make sense.
admin.site.unregister(Group)
admin.site.unregister(User)