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411 lines
19 KiB
Python
411 lines
19 KiB
Python
from django.contrib import admin, messages
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from django.utils.safestring import mark_safe
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from django import forms
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from django.forms import Textarea, ClearableFileInput
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from django.http import HttpResponse, HttpResponseRedirect
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from django.db.models import TextField, Q
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from django.urls import path, reverse
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from functools import update_wrapper
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from django.utils.translation import gettext_lazy as _
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from django.shortcuts import render
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from django.conf import settings
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from contrib.admin import CommonAdminInlineMixin, CommonAdminMixin
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from utils import get_member, RestrictedFileField
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from rules.contrib.admin import ObjectPermissionsModelAdmin
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from members.pdf import render_tex_with_attachments
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from .models import Ledger, Statement, Receipt, Transaction, Bill, StatementSubmitted, StatementConfirmed,\
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StatementUnSubmitted, BillOnStatementProxy
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@admin.register(Ledger)
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class LedgerAdmin(admin.ModelAdmin):
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search_fields = ('name', )
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class BillOnStatementInlineForm(forms.ModelForm):
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class Meta:
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model = BillOnStatementProxy
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fields = ['short_description', 'explanation', 'amount', 'paid_by', 'proof']
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widgets = {
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'proof': ClearableFileInput(attrs={'accept': 'application/pdf,image/jpeg,image/png'}),
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'explanation': Textarea(attrs={'rows': 1, 'cols': 40})
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}
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class BillOnStatementInline(CommonAdminInlineMixin, admin.TabularInline):
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model = BillOnStatementProxy
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extra = 0
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sortable_options = []
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form = BillOnStatementInlineForm
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@admin.register(StatementUnSubmitted)
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class StatementUnSubmittedAdmin(CommonAdminMixin, admin.ModelAdmin):
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fields = ['short_description', 'explanation', 'excursion', 'submitted']
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list_display = ['__str__', 'excursion', 'created_by']
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inlines = [BillOnStatementInline]
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def save_model(self, request, obj, form, change):
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if not change and hasattr(request.user, 'member'):
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obj.created_by = request.user.member
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super().save_model(request, obj, form, change)
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def get_readonly_fields(self, request, obj=None):
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readonly_fields = ['submitted', 'excursion']
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if obj is not None and obj.submitted:
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return readonly_fields + self.fields
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else:
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return readonly_fields
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def get_urls(self):
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urls = super().get_urls()
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def wrap(view):
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def wrapper(*args, **kwargs):
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return self.admin_site.admin_view(view)(*args, **kwargs)
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wrapper.model_admin = self
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return update_wrapper(wrapper, view)
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custom_urls = [
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path(
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"<path:object_id>/submit/",
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wrap(self.submit_view),
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name="%s_%s_submit" % (self.opts.app_label, self.opts.model_name),
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),
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]
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return custom_urls + urls
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def submit_view(self, request, object_id):
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statement = Statement.objects.get(pk=object_id)
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if statement.submitted:
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messages.error(request,
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_("%(name)s is already submitted.") % {'name': str(statement)})
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return HttpResponseRedirect(reverse('admin:%s_%s_changelist' % (self.opts.app_label, self.opts.model_name)))
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if "apply" in request.POST:
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statement.submit(get_member(request))
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messages.success(request,
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_("Successfully submited %(name)s. The finance department will notify the requestors as soon as possible.") % {'name': str(statement)})
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return HttpResponseRedirect(reverse('admin:%s_%s_changelist' % (self.opts.app_label, self.opts.model_name)))
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if statement.excursion:
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memberlist = statement.excursion
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context = dict(self.admin_site.each_context(request),
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title=_('Finance overview'),
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opts=self.opts,
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memberlist=memberlist,
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object=memberlist,
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participant_count=memberlist.participant_count,
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ljp_contributions=memberlist.payable_ljp_contributions,
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total_relative_costs=memberlist.total_relative_costs,
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**memberlist.statement.template_context())
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return render(request, 'admin/freizeit_finance_overview.html', context=context)
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else:
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context = dict(self.admin_site.each_context(request),
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title=_('Submit statement'),
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opts=self.opts,
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statement=statement)
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return render(request, 'admin/submit_statement.html', context=context)
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class TransactionOnSubmittedStatementInline(admin.TabularInline):
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model = Transaction
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fields = ['amount', 'member', 'reference', 'text_length_warning', 'ledger']
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formfield_overrides = {
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TextField: {'widget': Textarea(attrs={'rows': 1, 'cols': 40})}
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}
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readonly_fields = ['text_length_warning']
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extra = 0
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def text_length_warning(self, obj):
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"""Display reference length, warn if exceeds 140 characters."""
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len_reference = len(obj.reference)
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len_string = f"{len_reference}/140"
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if len_reference > 140:
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return mark_safe(f'<span style="color: red;">{len_string}</span>')
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return len_string
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text_length_warning.short_description = _("Length")
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class BillOnSubmittedStatementInline(BillOnStatementInline):
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model = BillOnStatementProxy
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extra = 0
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sortable_options = []
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fields = ['short_description', 'explanation', 'amount', 'paid_by', 'proof', 'costs_covered']
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formfield_overrides = {
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TextField: {'widget': Textarea(attrs={'rows': 1, 'cols': 40})}
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}
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def get_readonly_fields(self, request, obj=None):
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return ['short_description', 'explanation', 'amount', 'paid_by', 'proof']
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@admin.register(StatementSubmitted)
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class StatementSubmittedAdmin(admin.ModelAdmin):
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fields = ['short_description', 'explanation', 'excursion', 'submitted']
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list_display = ['__str__', 'is_valid', 'submitted_date', 'submitted_by']
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ordering = ('-submitted_date',)
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inlines = [BillOnSubmittedStatementInline, TransactionOnSubmittedStatementInline]
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def has_add_permission(self, request, obj=None):
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# Submitted statements should not be added directly, but instead be created
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# as unsubmitted statements and then submitted.
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return False
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def has_change_permission(self, request, obj=None):
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return request.user.has_perm('finance.process_statementsubmitted')
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def has_delete_permission(self, request, obj=None):
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# Submitted statements should not be deleted. Instead they can be rejected
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# and then deleted as unsubmitted statements.
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return False
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def get_readonly_fields(self, request, obj=None):
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readonly_fields = ['submitted']
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if obj is not None and obj.submitted:
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return readonly_fields + self.fields
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else:
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return readonly_fields
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def get_urls(self):
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urls = super().get_urls()
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def wrap(view):
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def wrapper(*args, **kwargs):
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return self.admin_site.admin_view(view)(*args, **kwargs)
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wrapper.model_admin = self
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return update_wrapper(wrapper, view)
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custom_urls = [
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path(
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"<path:object_id>/overview/",
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wrap(self.overview_view),
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name="%s_%s_overview" % (self.opts.app_label, self.opts.model_name),
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),
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path(
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"<path:object_id>/reduce_transactions/",
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wrap(self.reduce_transactions_view),
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name="%s_%s_reduce_transactions" % (self.opts.app_label, self.opts.model_name),
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),
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]
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return custom_urls + urls
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def overview_view(self, request, object_id):
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statement = StatementSubmitted.objects.get(pk=object_id)
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if not statement.submitted:
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messages.error(request,
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_("%(name)s is not yet submitted.") % {'name': str(statement)})
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return HttpResponseRedirect(reverse('admin:%s_%s_change' % (self.opts.app_label, self.opts.model_name), args=(statement.pk,)))
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if "transaction_execution_confirm" in request.POST:
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res = statement.confirm(confirmer=get_member(request))
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if not res:
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# this should NOT happen!
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messages.error(request,
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_("An error occured while trying to confirm %(name)s. Please try again.") % {'name': str(statement)})
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return HttpResponseRedirect(reverse('admin:%s_%s_overview' % (self.opts.app_label, self.opts.model_name)))
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messages.success(request,
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_("Successfully confirmed %(name)s. I hope you executed the associated transactions, I wont remind you again.")
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% {'name': str(statement)})
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download_link = reverse('admin:finance_statementconfirmed_summary', args=(statement.pk,))
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messages.success(request,
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mark_safe(_("You can download a <a href='%(link)s', target='_blank'>receipt</a>.") % {'link': download_link}))
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return HttpResponseRedirect(reverse('admin:%s_%s_changelist' % (self.opts.app_label, self.opts.model_name)))
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if "confirm" in request.POST:
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res = statement.validity
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if res == Statement.VALID:
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context = dict(self.admin_site.each_context(request),
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title=_('Statement confirmed'),
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opts=self.opts,
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statement=statement)
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return render(request, 'admin/confirmed_statement.html', context=context)
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elif res == Statement.NON_MATCHING_TRANSACTIONS:
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messages.error(request,
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_("Transactions do not match the covered expenses. Please correct the mistakes listed below.")
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% {'name': str(statement)})
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return HttpResponseRedirect(reverse('admin:%s_%s_overview' % (self.opts.app_label, self.opts.model_name), args=(statement.pk,)))
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elif res == Statement.MISSING_LEDGER:
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messages.error(request,
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_("Some transactions have no ledger configured. Please fill in the gaps.")
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% {'name': str(statement)})
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return HttpResponseRedirect(reverse('admin:%s_%s_overview' % (self.opts.app_label, self.opts.model_name), args=(statement.pk,)))
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elif res == Statement.INVALID_ALLOWANCE_TO:
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messages.error(request,
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_("The configured recipients for the allowance don't match the regulations. Please correct this on the excursion."))
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return HttpResponseRedirect(reverse('admin:%s_%s_overview' % (self.opts.app_label, self.opts.model_name), args=(statement.pk,)))
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elif res == Statement.INVALID_TOTAL:
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messages.error(request,
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_("The calculated total amount does not match the sum of all transactions. This is most likely a bug."))
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return HttpResponseRedirect(reverse('admin:%s_%s_overview' % (self.opts.app_label, self.opts.model_name), args=(statement.pk,)))
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return HttpResponseRedirect(reverse('admin:%s_%s_changelist' % (self.opts.app_label, self.opts.model_name)))
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if "reject" in request.POST:
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statement.submitted = False
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statement.save()
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messages.success(request,
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_("Successfully rejected %(name)s. The requestor can reapply, when needed.")
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% {'name': str(statement)})
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return HttpResponseRedirect(reverse('admin:%s_%s_changelist' % (self.opts.app_label, self.opts.model_name)))
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if "generate_transactions" in request.POST:
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if statement.transaction_set.count() > 0:
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messages.error(request,
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_("%(name)s already has transactions. Please delete them first, if you want to generate new ones") % {'name': str(statement)})
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else:
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success = statement.generate_transactions()
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if success:
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messages.success(request,
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_("Successfully generated transactions for %(name)s") % {'name': str(statement)})
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else:
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messages.error(request,
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_("Error while generating transactions for %(name)s. Do all bills have a payer and, if this statement is attached to an excursion, was a person selected that receives the subsidies?") % {'name': str(statement)})
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return HttpResponseRedirect(reverse('admin:%s_%s_change' % (self.opts.app_label, self.opts.model_name), args=(statement.pk,)))
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context = dict(self.admin_site.each_context(request),
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title=_('View submitted statement'),
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opts=self.opts,
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statement=statement,
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settings=settings,
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transaction_issues=statement.transaction_issues,
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**statement.template_context())
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return render(request, 'admin/overview_submitted_statement.html', context=context)
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def reduce_transactions_view(self, request, object_id):
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statement = StatementSubmitted.objects.get(pk=object_id)
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statement.reduce_transactions()
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messages.success(request,
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_("Successfully reduced transactions for %(name)s.") % {'name': str(statement)})
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return HttpResponseRedirect(request.GET['redirectTo'])
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#return HttpResponseRedirect(reverse('admin:%s_%s_change' % (self.opts.app_label, self.opts.model_name), args=(statement.pk,)))
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@admin.register(StatementConfirmed)
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class StatementConfirmedAdmin(admin.ModelAdmin):
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fields = ['short_description', 'explanation', 'excursion', 'confirmed']
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#readonly_fields = fields
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list_display = ['__str__', 'total_pretty', 'confirmed_date', 'confirmed_by']
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ordering = ('-confirmed_date',)
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inlines = [BillOnSubmittedStatementInline, TransactionOnSubmittedStatementInline]
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def has_add_permission(self, request, obj=None):
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# To preserve integrity, no one is allowed to add confirmed statements
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return False
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def has_change_permission(self, request, obj=None):
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# To preserve integrity, no one is allowed to change confirmed statements
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return False
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def has_delete_permission(self, request, obj=None):
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# To preserve integrity, no one is allowed to delete confirmed statements
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return False
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def get_urls(self):
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urls = super().get_urls()
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def wrap(view):
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def wrapper(*args, **kwargs):
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return self.admin_site.admin_view(view)(*args, **kwargs)
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wrapper.model_admin = self
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return update_wrapper(wrapper, view)
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custom_urls = [
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path(
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"<path:object_id>/unconfirm/",
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wrap(self.unconfirm_view),
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name="%s_%s_unconfirm" % (self.opts.app_label, self.opts.model_name),
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),
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path(
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"<path:object_id>/summary/",
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wrap(self.statement_summary_view),
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name="%s_%s_summary" % (self.opts.app_label, self.opts.model_name),
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),
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]
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return custom_urls + urls
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def unconfirm_view(self, request, object_id):
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statement = StatementConfirmed.objects.get(pk=object_id)
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if not statement.confirmed:
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messages.error(request,
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_("%(name)s is not yet confirmed.") % {'name': str(statement)})
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return HttpResponseRedirect(reverse('admin:%s_%s_change' % (self.opts.app_label, self.opts.model_name), args=(statement.pk,)))
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if "unconfirm" in request.POST:
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statement.confirmed = False
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statement.confirmed_date = None
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statement.confired_by = None
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statement.save()
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messages.success(request,
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_("Successfully unconfirmed %(name)s. I hope you know what you are doing.")
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% {'name': str(statement)})
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return HttpResponseRedirect(reverse('admin:%s_%s_changelist' % (self.opts.app_label, self.opts.model_name)))
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context = dict(self.admin_site.each_context(request),
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title=_('Unconfirm statement'),
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opts=self.opts,
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statement=statement)
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return render(request, 'admin/unconfirm_statement.html', context=context)
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def statement_summary_view(self, request, object_id):
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try:
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statement = StatementConfirmed.objects.get(pk=object_id)
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except StatementConfirmed.DoesNotExist:
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messages.error(request, _('Statement not found.'))
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return HttpResponseRedirect(reverse('admin:%s_%s_changelist' % (self.opts.app_label, self.opts.model_name)))
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if not statement.confirmed:
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messages.error(request,
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_("%(name)s is not yet confirmed.") % {'name': str(statement)})
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return HttpResponseRedirect(reverse('admin:%s_%s_change' % (self.opts.app_label, self.opts.model_name), args=(statement.pk,)))
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excursion = statement.excursion
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context = dict(statement=statement.template_context(), excursion=excursion, settings=settings)
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pdf_filename = f"{excursion.code}_{excursion.name}_Zuschussbeleg" if excursion else f"Abrechnungsbeleg"
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attachments = [bill.proof.path for bill in statement.bills_covered]
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return render_tex_with_attachments(pdf_filename, 'finance/statement_summary.tex', context, attachments)
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statement_summary_view.short_description = _('Download summary')
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@admin.register(Transaction)
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class TransactionAdmin(admin.ModelAdmin):
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"""The transaction admin site. This is only used to display transactions. All editing
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is disabled on this site. All transactions should be changed on the respective statement
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at the correct stage of the approval chain."""
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list_display = ['member', 'ledger', 'amount', 'reference', 'statement', 'confirmed',
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'confirmed_date', 'confirmed_by']
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list_filter = ('ledger', 'member', 'statement', 'confirmed')
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search_fields = ('reference', )
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fields = ['reference', 'amount', 'member', 'ledger', 'statement']
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def get_readonly_fields(self, request, obj=None):
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if obj is not None and obj.confirmed:
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return self.fields
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return super(TransactionAdmin, self).get_readonly_fields(request, obj)
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def has_add_permission(self, request, obj=None):
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# To preserve integrity, no one is allowed to add transactions
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return False
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def has_change_permission(self, request, obj=None):
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# To preserve integrity, no one is allowed to change transactions
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return False
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def has_delete_permission(self, request, obj=None):
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# To preserve integrity, no one is allowed to delete transactions
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return False
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@admin.register(Bill)
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class BillAdmin(admin.ModelAdmin):
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list_display = ['__str__', 'statement', 'explanation', 'pretty_amount', 'paid_by', 'refunded']
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list_filter = ('statement', 'paid_by', 'refunded')
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search_fields = ('reference', 'statement')
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