mirror of https://gitlab.crans.org/bde/nk20
149 lines
4.0 KiB
Python
149 lines
4.0 KiB
Python
# -*- mode: python; coding: utf-8 -*-
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# Copyright (C) 2018-2019 by BDE ENS Paris-Saclay
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# SPDX-License-Identifier: GPL-3.0-or-later
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from django.contrib import admin
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from django.utils.translation import gettext_lazy as _
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from polymorphic.admin import PolymorphicChildModelAdmin, \
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PolymorphicChildModelFilter, PolymorphicParentModelAdmin
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from .models.notes import Alias, Note, NoteClub, NoteSpecial, NoteUser
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from .models.transactions import Transaction, TransactionTemplate
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class AliasInlines(admin.TabularInline):
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"""
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Define user and club aliases when editing their note
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"""
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extra = 0
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model = Alias
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@admin.register(Note)
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class NoteAdmin(PolymorphicParentModelAdmin):
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"""
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Parent regrouping all note types as children
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"""
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child_models = (NoteClub, NoteSpecial, NoteUser)
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list_filter = (PolymorphicChildModelFilter, 'is_active',)
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# Use a polymorphic list
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list_display = ('__str__', 'balance', 'is_active')
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polymorphic_list = True
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# Organize notes by registration date
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date_hierarchy = 'created_at'
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ordering = ['-created_at']
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# Search by aliases
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search_fields = ['alias__name']
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@admin.register(NoteClub)
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class NoteClubAdmin(PolymorphicChildModelAdmin):
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"""
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Child for a club note, see NoteAdmin
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"""
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inlines = (AliasInlines,)
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# We can't change club after creation or the balance
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readonly_fields = ('club', 'balance')
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def has_add_permission(self, request):
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"""
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A club note should not be manually added
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"""
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return False
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def has_delete_permission(self, request, obj=None):
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"""
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A club note should not be manually removed
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"""
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return False
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@admin.register(NoteSpecial)
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class NoteSpecialAdmin(PolymorphicChildModelAdmin):
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"""
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Child for a special note, see NoteAdmin
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"""
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readonly_fields = ('balance',)
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@admin.register(NoteUser)
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class NoteUserAdmin(PolymorphicChildModelAdmin):
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"""
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Child for an user note, see NoteAdmin
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"""
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inlines = (AliasInlines,)
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# We can't change user after creation or the balance
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readonly_fields = ('user', 'balance')
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def has_add_permission(self, request):
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"""
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An user note should not be manually added
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"""
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return False
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def has_delete_permission(self, request, obj=None):
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"""
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An user note should not be manually removed
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"""
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return False
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@admin.register(Transaction)
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class TransactionAdmin(admin.ModelAdmin):
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"""
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Admin customisation for Transaction
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"""
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list_display = ('created_at', 'poly_source', 'poly_destination',
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'quantity', 'amount', 'transaction_type', 'valid')
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list_filter = ('transaction_type', 'valid')
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autocomplete_fields = ('source', 'destination',)
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def poly_source(self, obj):
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"""
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Force source to resolve polymorphic object
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"""
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return str(obj.source)
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poly_source.short_description = _('source')
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def poly_destination(self, obj):
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"""
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Force destination to resolve polymorphic object
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"""
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return str(obj.destination)
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poly_destination.short_description = _('destination')
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def get_readonly_fields(self, request, obj=None):
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"""
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Only valid can be edited after creation
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Else the amount of money would not be transferred
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"""
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if obj: # user is editing an existing object
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return 'created_at', 'source', 'destination', 'quantity',\
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'amount', 'transaction_type'
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return []
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@admin.register(TransactionTemplate)
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class TransactionTemplateAdmin(admin.ModelAdmin):
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"""
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Admin customisation for TransactionTemplate
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"""
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list_display = ('name', 'poly_destination', 'amount', 'template_type')
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list_filter = ('template_type',)
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autocomplete_fields = ('destination',)
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def poly_destination(self, obj):
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"""
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Force destination to resolve polymorphic object
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"""
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return str(obj.destination)
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poly_destination.short_description = _('destination')
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