auf_savoirs_en_partage/savoirs/admin.py

   1 # -*- encoding: utf-8 -*-
   2 import operator
   3 import re
   4
   5 from django.core.urlresolvers import reverse as url
   6 from django.db import models
   7 from django.db.models import Q
   8 from django.db.models.query import QuerySet
   9 from django.contrib import admin
  10 from django.contrib.auth.admin import UserAdmin
  11 from django.contrib.auth.models import User
  12 from django.contrib.admin.filterspecs import RelatedFilterSpec, FilterSpec
  13 from django.utils.safestring import mark_safe
  14 from django.utils.translation import ugettext as _
  15 from django.utils.encoding import smart_unicode, iri_to_uri
  16 from django.http import HttpResponseRedirect
  17
  18 from models import SourceActualite, Actualite, Discipline, Evenement, \
  19                    Record, ListSet, HarvestLog, Profile, PageStatique
  20 from savoirs.globals import META
  21
  22 class ListSetFilterSpec(RelatedFilterSpec):
  23     """
  24     Filtre custom automatiquement lié à un field nommé 'listsets'. Il a pour but de s'afficher
  25     lorsqu'un server a déjà été présélectionné. Dans ce cas, il affiche une liste qui contient les
  26     listsets de ce server.
  27     """
  28     def __init__(self, f, request, params, model, model_admin):
  29         super(ListSetFilterSpec, self).__init__(f, request, params, model, model_admin)
  30         self.server_name = request.GET.get('server', None)
  31
  32     def has_output(self):
  33         return self.server_name is not None
  34
  35 FilterSpec.filter_specs.insert(0, (lambda f: f.name == 'listsets', ListSetFilterSpec))
  36
  37 # Ces deux classes permettent d'implémenter la possibilité d'avoir un champs readonly_fields
  38 # dans l.administration.
  39 # Ce champs est devenu natif à partir de la version 1.2
  40 # http://docs.djangoproject.com/en/dev/ref/contrib/admin/#django.contrib.admin.ModelAdmin.readonly_fields
  41 from django import forms
  42 class ReadOnlyWidget(forms.Widget):
  43     def __init__(self, original_value, display_value):
  44         self.original_value = original_value
  45         self.display_value = display_value
  46
  47         super(ReadOnlyWidget, self).__init__()
  48
  49     def render(self, name, value, attrs=None):
  50         if self.display_value is not None:
  51             output = self.display_value
  52         else:
  53             output = unicode(self.original_value)
  54
  55         # pour les relations
  56         try:
  57             output = ", ".join([ls.name for ls in self.original_value.get_query_set()])
  58         except:
  59             pass
  60
  61         is_url = re.match('http[s]?://(?:[a-zA-Z]|[0-9]|[$-_@.&+]|[!*\(\),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+', output)
  62         if is_url:
  63             output = "<a target='_blank' href='%s'>%s</a>" % (output, output)
  64
  65         return mark_safe(output)
  66
  67     def value_from_datadict(self, data, files, name):
  68         return self.original_value
  69
  70 class ReadOnlyAdminFields(object):
  71     def get_form(self, request, obj=None):
  72         form = super(ReadOnlyAdminFields, self).get_form(request, obj)
  73
  74         if hasattr(self, 'readonly_fields'):
  75             for field_name in self.readonly_fields:
  76                 if field_name in form.base_fields:
  77
  78                     if hasattr(obj, 'get_%s_display' % field_name):
  79                         display_value = getattr(obj, 'get_%s_display' % field_name)()
  80                     else:
  81                         display_value = None
  82
  83                     form.base_fields[field_name].widget = ReadOnlyWidget(getattr(obj, field_name, ''), display_value)
  84                     form.base_fields[field_name].required = False
  85         return form
  86
  87 class RecordAdminQuerySet(QuerySet):
  88
  89     def filter(self, *args, **kwargs):
  90         """Gère des filtres supplémentaires pour l'admin.
  91
  92         C'est la seule façon que j'ai trouvée de contourner les mécanismes
  93         de recherche de l'admin."""
  94         search = kwargs.pop('admin_search', None)
  95         search_titre = kwargs.pop('admin_search_titre', None)
  96         search_sujet = kwargs.pop('admin_search_sujet', None)
  97         search_description = kwargs.pop('admin_search_description', None)
  98         search_auteur = kwargs.pop('admin_search_auteur', None)
  99
 100         if search:
 101             qs = self
 102             search_all = not (search_titre or search_description or search_sujet or search_auteur)
 103             fields = []
 104             if search_titre or search_all:
 105                 fields += ['title', 'alt_title']
 106             if search_description or search_all:
 107                 fields += ['description', 'abstract']
 108             if search_sujet or search_all:
 109                 fields += ['subject']
 110             if search_auteur or search_all:
 111                 fields += ['creator', 'contributor']
 112
 113             for bit in search.split():
 114                 or_queries = [Q(**{field + '__icontains': bit}) for field in fields]
 115                 qs = qs.filter(reduce(operator.or_, or_queries))
 116
 117             if args or kwargs:
 118                 qs = super(RecordAdminQuerySet, qs).filter(*args, **kwargs)
 119             return qs
 120         else:
 121             return super(RecordAdminQuerySet, self).filter(*args, **kwargs)
 122
 123 class RecordAdmin(ReadOnlyAdminFields, admin.ModelAdmin):
 124     fields = ['server', 'title', 'creator', 'description', 'modified',
 125               'identifier', 'uri', 'source', 'contributor', 'publisher',
 126               'type', 'format', 'language', 'disciplines', 'thematiques',
 127               'pays', 'regions', 'validated']
 128
 129     readonly_fields = []
 130
 131     list_filter = ('validated', 'server', 'listsets', 'pays', 'regions',
 132                    'disciplines', 'thematiques')
 133     list_display = ('title', 'subject', 'uri_display', 'creator',
 134                     'est_complet', 'validated',)
 135     list_editable = ('validated',)
 136     list_per_page = 25
 137
 138     actions = ['assigner_pays', 'assigner_regions', 'assigner_disciplines',
 139                'assigner_thematiques']
 140
 141     def __init__(self, *args, **kwargs):
 142         """Surcharge l'initialisation pour définir les champs de recherche dynamiquement,
 143         et les champs en lecture seule uniquement."""
 144         self.readonly_fields = META.keys()
 145         self.readonly_fields.append('listsets')
 146         super(RecordAdmin, self).__init__(*args, **kwargs)
 147
 148     def queryset(self, request):
 149         return RecordAdminQuerySet(Record)
 150
 151     # Présentation de l'information
 152
 153     def est_complet(self, obj):
 154         v = obj.est_complet()
 155         return '<img src="/admin_media/img/admin/icon-%s.gif" alt="%d"/>' % (('no','yes')[v], v)
 156     est_complet.allow_tags = True
 157     est_complet.short_description = u'complet'
 158
 159     def uri_display(self, obj):
 160         return "<a target='_blank' href='%s'>%s</a>" % (obj.uri, obj.uri)
 161     uri_display.allow_tags = True
 162     uri_display.short_description = u'lien'
 163
 164     def description_display(self, obj):
 165         max = 140
 166         if obj.description is not None and len(obj.description) > max:
 167             return "%s..." % obj.description[:max]
 168         else:
 169             return obj.description
 170     description_display.short_description = u'description'
 171
 172     # Actions
 173
 174     def assigner_pays(self, request, queryset):
 175         selected = request.POST.getlist(admin.ACTION_CHECKBOX_NAME)
 176         return HttpResponseRedirect("/admin/assigner_%s?ids=%s" % ('pays', ",".join(selected)))
 177     assigner_pays.short_description = u'Assigner des pays'
 178
 179     def assigner_regions(self, request, queryset):
 180         selected = request.POST.getlist(admin.ACTION_CHECKBOX_NAME)
 181         return HttpResponseRedirect(url('assigner_regions', kwargs=dict(app_name='savoirs', model_name='record')) + '?ids=' + ','.join(selected))
 182     assigner_regions.short_description = u'Assigner des régions'
 183
 184     def assigner_thematiques(self, request, queryset):
 185         selected = request.POST.getlist(admin.ACTION_CHECKBOX_NAME)
 186         return HttpResponseRedirect("/admin/assigner_%s?ids=%s" % ('thematiques', ",".join(selected)))
 187     assigner_thematiques.short_description = u'Assigner des thématiques'
 188
 189     def assigner_disciplines(self, request, queryset):
 190         selected = request.POST.getlist(admin.ACTION_CHECKBOX_NAME)
 191         return HttpResponseRedirect(url('assigner_disciplines', kwargs=dict(app_name='savoirs', model_name='record')) + '?ids=' + ','.join(selected))
 192     assigner_disciplines.short_description = u'Assigner des disciplines'
 193
 194 admin.site.register(Record, RecordAdmin)
 195
 196 class ListSetAdmin(ReadOnlyAdminFields, admin.ModelAdmin):
 197     fields = ['spec', 'name', 'server', 'validated' ]
 198     list_display = fields
 199     readonly_fields = ['spec', 'name', 'server',]
 200     list_filter = ('server',)
 201
 202 admin.site.register(ListSet, ListSetAdmin)
 203
 204 class HarvestLogAdmin(ReadOnlyAdminFields, admin.ModelAdmin):
 205     fields = ['context', 'name', 'added', 'updated', 'processed', 'record']
 206     list_display = fields + ['date']
 207     admin_order_fields = ['date']
 208     search_fields = fields
 209     readonly_fields = fields
 210     list_filter = ('context',)
 211
 212 admin.site.register(HarvestLog, HarvestLogAdmin)
 213
 214 class ProfileInline(admin.TabularInline):
 215     model = Profile
 216     fk_name = 'user'
 217     max_num = 1
 218
 219 class UserProfileAdmin(UserAdmin):
 220     inlines = [ProfileInline, ]
 221
 222 admin.site.unregister(User)
 223 admin.site.register(User, UserProfileAdmin)
 224
 225 class ActualiteAdmin(admin.ModelAdmin):
 226     list_filter = ('visible', 'disciplines', 'regions')
 227     list_display = ('titre', 'source', 'date', 'visible')
 228     list_editable = ['visible']
 229     actions = ['rendre_visible', 'rendre_invisible', 'assigner_regions', 'assigner_disciplines']
 230
 231     def queryset(self, request):
 232         return Actualite.all_objects.get_query_set()
 233
 234     # actions
 235     def rendre_visible(self, request, queryset):
 236         selected = request.POST.getlist(admin.ACTION_CHECKBOX_NAME)
 237         return HttpResponseRedirect("/admin/confirmation/%s/%s?ids=%s" % ('actualite', 'visible', ",".join(selected)))
 238
 239     def rendre_invisible(self, request, queryset):
 240         selected = request.POST.getlist(admin.ACTION_CHECKBOX_NAME)
 241         return HttpResponseRedirect("/admin/confirmation/%s/%s?ids=%s" % ('actualite', 'invisible', ",".join(selected)))
 242
 243     def assigner_regions(self, request, queryset):
 244         selected = request.POST.getlist(admin.ACTION_CHECKBOX_NAME)
 245         return HttpResponseRedirect(url('assigner_regions', kwargs=dict(app_name='savoirs', model_name='actualite')) + '?ids=' + ','.join(selected))
 246     assigner_regions.short_description = u'Assigner des régions'
 247
 248     def assigner_disciplines(self, request, queryset):
 249         selected = request.POST.getlist(admin.ACTION_CHECKBOX_NAME)
 250         return HttpResponseRedirect(url('assigner_disciplines', kwargs=dict(app_name='savoirs', model_name='actualite')) + '?ids=' + ','.join(selected))
 251     assigner_disciplines.short_description = u'Assigner des disciplines'
 252
 253 admin.site.register(Actualite, ActualiteAdmin)
 254
 255 class SourceActualiteAdmin(admin.ModelAdmin):
 256     actions = ['update_sources']
 257     list_display = ['nom', 'url', 'type']
 258     list_filter = ['type']
 259
 260     def update_sources(self, request, queryset):
 261         for source in queryset:
 262             source.update()
 263     update_sources.short_description = u'Mettre à jour les fils sélectionnés'
 264
 265 admin.site.register(SourceActualite, SourceActualiteAdmin)
 266
 267 class EvenementAdminForm(forms.ModelForm):
 268     mots_cles = forms.CharField(label='Mots-clés', required=False)
 269
 270     class Meta:
 271         model = Evenement
 272
 273     def clean(self,):
 274         cleaned_data = self.cleaned_data
 275         debut = cleaned_data.get("debut")
 276         fin = cleaned_data.get("fin")
 277         if debut and fin and debut > fin:
 278             raise forms.ValidationError("La date de fin ne doit pas être antérieure à la date de début")
 279         return cleaned_data
 280
 281 class EvenementAdmin(admin.ModelAdmin):
 282     form = EvenementAdminForm
 283     list_filter = ('approuve', 'regions', 'discipline', 'discipline_secondaire')
 284     list_display = ('titre', 'debut', 'fin', 'ville', 'pays', 'approuve')
 285     fields = ['titre', 'discipline', 'discipline_secondaire', 'mots_cles',
 286               'type', 'adresse', 'ville', 'pays', 'fuseau', 'debut', 'fin', 'piece_jointe', 'regions',
 287               'description', 'prenom', 'nom', 'courriel', 'url', 'approuve']
 288     actions = ['assigner_regions', 'assigner_disciplines']
 289
 290     def queryset(self, request):
 291         return Evenement.all_objects.get_query_set()
 292
 293     def assigner_regions(self, request, queryset):
 294         selected = request.POST.getlist(admin.ACTION_CHECKBOX_NAME)
 295         return HttpResponseRedirect(url('assigner_regions', kwargs=dict(app_name='savoirs', model_name='evenement')) + '?ids=' + ','.join(selected))
 296     assigner_regions.short_description = u'Assigner des régions'
 297
 298     def assigner_disciplines(self, request, queryset):
 299         selected = request.POST.getlist(admin.ACTION_CHECKBOX_NAME)
 300         return HttpResponseRedirect(url('assigner_disciplines', kwargs=dict(app_name='savoirs', model_name='evenement')) + '?ids=' + ','.join(selected))
 301     assigner_disciplines.short_description = u'Assigner des disciplines'
 302
 303 admin.site.register(Evenement, EvenementAdmin)
 304
 305 class PageStatiqueAdmin(admin.ModelAdmin):
 306     list_display = ['titre', 'id']
 307     list_display_links = ['titre', 'id']
 308
 309     class Media:
 310         js = ['js/tiny_mce/tiny_mce.js', 'js/tiny_mce_textareas.js']
 311
 312 admin.site.register(PageStatique, PageStatiqueAdmin)
 313