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, ActualiteVoir, Discipline, \
  19                    Evenement, EvenementVoir, Record, RecordCategorie, \
  20                    ListSet, HarvestLog, Profile, PageStatique
  21
  22 from savoirs.globals import META
  23
  24 class ListSetFilterSpec(RelatedFilterSpec):
  25     """
  26     Filtre custom automatiquement lié à un field nommé 'listsets'. Il a pour but de s'afficher
  27     lorsqu'un server a déjà été présélectionné. Dans ce cas, il affiche une liste qui contient les
  28     listsets de ce server.
  29     """
  30     def __init__(self, f, request, params, model, model_admin):
  31         super(ListSetFilterSpec, self).__init__(f, request, params, model, model_admin)
  32         self.server_name = request.GET.get('server', None)
  33
  34     def has_output(self):
  35         return self.server_name is not None
  36
  37 FilterSpec.filter_specs.insert(0, (lambda f: f.name == 'listsets', ListSetFilterSpec))
  38
  39 # Ces deux classes permettent d'implémenter la possibilité d'avoir un champs readonly_fields
  40 # dans l.administration.
  41 # Ce champs est devenu natif à partir de la version 1.2
  42 # http://docs.djangoproject.com/en/dev/ref/contrib/admin/#django.contrib.admin.ModelAdmin.readonly_fields
  43 from django import forms
  44 class ReadOnlyWidget(forms.Widget):
  45     def __init__(self, original_value, display_value):
  46         self.original_value = original_value
  47         self.display_value = display_value
  48
  49         super(ReadOnlyWidget, self).__init__()
  50
  51     def render(self, name, value, attrs=None):
  52         if self.display_value is not None:
  53             output = self.display_value
  54         else:
  55             output = unicode(self.original_value)
  56
  57         # pour les relations
  58         try:
  59             output = ", ".join([ls.name for ls in self.original_value.get_query_set()])
  60         except:
  61             pass
  62
  63         is_url = re.match('http[s]?://(?:[a-zA-Z]|[0-9]|[$-_@.&+]|[!*\(\),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+', output)
  64         if is_url:
  65             output = "<a target='_blank' href='%s'>%s</a>" % (output, output)
  66
  67         return mark_safe(output)
  68
  69     def value_from_datadict(self, data, files, name):
  70         return self.original_value
  71
  72 class ReadOnlyAdminFields(object):
  73     def get_form(self, request, obj=None):
  74         form = super(ReadOnlyAdminFields, self).get_form(request, obj)
  75
  76         if hasattr(self, 'readonly_fields'):
  77             for field_name in self.readonly_fields:
  78                 if field_name in form.base_fields:
  79
  80                     if hasattr(obj, 'get_%s_display' % field_name):
  81                         display_value = getattr(obj, 'get_%s_display' % field_name)()
  82                     else:
  83                         display_value = None
  84
  85                     form.base_fields[field_name].widget = ReadOnlyWidget(getattr(obj, field_name, ''), display_value)
  86                     form.base_fields[field_name].required = False
  87         return form
  88
  89 class RecordAdminQuerySet(QuerySet):
  90
  91     def filter(self, *args, **kwargs):
  92         """Gère des filtres supplémentaires pour l'admin.
  93
  94         C'est la seule façon que j'ai trouvée de contourner les mécanismes
  95         de recherche de l'admin."""
  96         search = kwargs.pop('admin_search', None)
  97         search_titre = kwargs.pop('admin_search_titre', None)
  98         search_sujet = kwargs.pop('admin_search_sujet', None)
  99         search_description = kwargs.pop('admin_search_description', None)
 100         search_auteur = kwargs.pop('admin_search_auteur', None)
 101
 102         if search:
 103             qs = self
 104             search_all = not (search_titre or search_description or search_sujet or search_auteur)
 105             fields = []
 106             if search_titre or search_all:
 107                 fields += ['title', 'alt_title']
 108             if search_description or search_all:
 109                 fields += ['description', 'abstract']
 110             if search_sujet or search_all:
 111                 fields += ['subject']
 112             if search_auteur or search_all:
 113                 fields += ['creator', 'contributor']
 114
 115             for bit in search.split():
 116                 or_queries = [Q(**{field + '__icontains': bit}) for field in fields]
 117                 qs = qs.filter(reduce(operator.or_, or_queries))
 118
 119             if args or kwargs:
 120                 qs = super(RecordAdminQuerySet, qs).filter(*args, **kwargs)
 121             return qs
 122         else:
 123             return super(RecordAdminQuerySet, self).filter(*args, **kwargs)
 124
 125 class RecordAdmin(ReadOnlyAdminFields, admin.ModelAdmin):
 126     fields = ['server', 'title', 'creator', 'description', 'modified',
 127               'identifier', 'uri', 'source', 'contributor', 'publisher',
 128               'type', 'format', 'language', 'categorie', 'disciplines',
 129               'thematiques','pays', 'regions', 'validated']
 130
 131     readonly_fields = []
 132
 133     list_filter = ('validated', 'server', 'listsets', 'pays', 'regions',
 134                    'disciplines', 'thematiques', 'categorie')
 135     list_display = ('title', 'subject', 'uri_display', 'creator',
 136                     'categorie', 'est_complet', 'validated',)
 137     list_editable = ('validated',)
 138     list_per_page = 25
 139
 140     actions = ['assigner_pays', 'assigner_regions', 'assigner_disciplines',
 141                'assigner_thematiques', 'assigner_categorie']
 142
 143     def __init__(self, *args, **kwargs):
 144         """Surcharge l'initialisation pour définir les champs de recherche dynamiquement,
 145         et les champs en lecture seule uniquement."""
 146         self.readonly_fields = META.keys()
 147         self.readonly_fields.append('listsets')
 148         super(RecordAdmin, self).__init__(*args, **kwargs)
 149
 150     def queryset(self, request):
 151         return RecordAdminQuerySet(Record)
 152
 153     # Présentation de l'information
 154
 155     def est_complet(self, obj):
 156         v = obj.est_complet()
 157         return '<img src="/admin_media/img/admin/icon-%s.gif" alt="%d"/>' % (('no','yes')[v], v)
 158     est_complet.allow_tags = True
 159     est_complet.short_description = u'complet'
 160
 161     def uri_display(self, obj):
 162         return "<a target='_blank' href='%s'>%s</a>" % (obj.uri, obj.uri)
 163     uri_display.allow_tags = True
 164     uri_display.short_description = u'lien'
 165
 166     def description_display(self, obj):
 167         max = 140
 168         if obj.description is not None and len(obj.description) > max:
 169             return "%s..." % obj.description[:max]
 170         else:
 171             return obj.description
 172     description_display.short_description = u'description'
 173
 174     # Actions
 175
 176     def assigner_pays(self, request, queryset):
 177         selected = queryset.values_list('id', flat=True)
 178         selected = ",".join("%s" % val for val in selected)
 179         return HttpResponseRedirect("/admin/assigner_%s?ids=%s" % ('pays', selected))
 180     assigner_pays.short_description = u'Assigner des pays'
 181
 182     def assigner_regions(self, request, queryset):
 183         selected = queryset.values_list('id', flat=True)
 184         selected = ",".join("%s" % val for val in selected)
 185         return HttpResponseRedirect(url('assigner_regions', kwargs=dict(app_name='savoirs', model_name='record')) + '?ids=' + selected)
 186     assigner_regions.short_description = u'Assigner des régions'
 187
 188     def assigner_thematiques(self, request, queryset):
 189         selected = queryset.values_list('id', flat=True)
 190         selected = ",".join("%s" % val for val in selected)
 191         return HttpResponseRedirect("/admin/assigner_%s?ids=%s" % ('thematiques', selected))
 192     assigner_thematiques.short_description = u'Assigner des thématiques'
 193
 194     def assigner_disciplines(self, request, queryset):
 195         selected = queryset.values_list('id', flat=True)
 196         selected = ",".join("%s" % val for val in selected)
 197         return HttpResponseRedirect(url('assigner_disciplines', kwargs=dict(app_name='savoirs', model_name='record')) + '?ids=' + selected)
 198     assigner_disciplines.short_description = u'Assigner des disciplines'
 199
 200     def assigner_categorie(self, request, queryset):
 201         selected = queryset.values_list('id', flat=True)
 202         selected = ",".join("%s" % val for val in selected)
 203         return HttpResponseRedirect("/admin/assigner_%s?ids=%s" % ('categorie', selected))
 204     assigner_categorie.short_description = u'Assigner une catégorie'
 205
 206 admin.site.register(Record, RecordAdmin)
 207
 208 class ListSetAdmin(ReadOnlyAdminFields, admin.ModelAdmin):
 209     fields = ['spec', 'name', 'server', 'validated' ]
 210     list_display = fields
 211     readonly_fields = ['spec', 'name', 'server',]
 212     list_filter = ('server',)
 213
 214 admin.site.register(ListSet, ListSetAdmin)
 215
 216 class HarvestLogAdmin(ReadOnlyAdminFields, admin.ModelAdmin):
 217     fields = ['context', 'name', 'added', 'updated', 'processed', 'record']
 218     list_display = fields + ['date']
 219     admin_order_fields = ['date']
 220     search_fields = ['context', 'name', 'added', 'updated', 'processed', 'record__title']
 221     readonly_fields = fields
 222     list_filter = ('context',)
 223
 224 admin.site.register(HarvestLog, HarvestLogAdmin)
 225
 226 class ProfileInline(admin.TabularInline):
 227     model = Profile
 228     fk_name = 'user'
 229     max_num = 1
 230
 231 class UserProfileAdmin(UserAdmin):
 232     inlines = [ProfileInline, ]
 233
 234 admin.site.unregister(User)
 235 admin.site.register(User, UserProfileAdmin)
 236
 237 class ActualiteAdmin(admin.ModelAdmin):
 238     list_filter = ('visible', 'disciplines', 'regions')
 239     list_display = ('titre', 'source', 'date', 'visible')
 240     list_editable = ['visible']
 241     actions = ['rendre_visible', 'rendre_invisible', 'assigner_regions', 'assigner_disciplines']
 242
 243     def queryset(self, request):
 244         return Actualite.all_objects.get_query_set()
 245
 246     # actions
 247     def rendre_visible(self, request, queryset):
 248         selected = queryset.values_list('id', flat=True)
 249         selected = ",".join("%s" % val for val in selected)
 250         return HttpResponseRedirect("/admin/confirmation/%s/%s?ids=%s" % ('actualite', 'visible', selected))
 251
 252     def rendre_invisible(self, request, queryset):
 253         selected = queryset.values_list('id', flat=True)
 254         selected = ",".join("%s" % val for val in selected)
 255         return HttpResponseRedirect("/admin/confirmation/%s/%s?ids=%s" % ('actualite', 'invisible', selected))
 256
 257     def assigner_regions(self, request, queryset):
 258         selected = queryset.values_list('id', flat=True)
 259         selected = ",".join("%s" % val for val in selected)
 260         return HttpResponseRedirect(url('assigner_regions', kwargs=dict(app_name='savoirs', model_name='actualite')) + '?ids=' + selected)
 261     assigner_regions.short_description = u'Assigner des régions'
 262
 263     def assigner_disciplines(self, request, queryset):
 264         selected = queryset.values_list('id', flat=True)
 265         selected = ",".join("%s" % val for val in selected)
 266         return HttpResponseRedirect(url('assigner_disciplines', kwargs=dict(app_name='savoirs', model_name='actualite')) + '?ids=' + selected)
 267     assigner_disciplines.short_description = u'Assigner des disciplines'
 268
 269 admin.site.register(Actualite, ActualiteAdmin)
 270
 271 class ActualiteVoirAdmin(ActualiteAdmin):
 272
 273     actions = None
 274     list_editable = []
 275     fields = ['titre', 'texte', 'url', 'date', 'visible', 'ancienid', 'source', 'disciplines', 'regions']
 276
 277     def __init__(self, model, admin_site):
 278         super(ActualiteVoirAdmin, self).__init__(model, admin_site)
 279
 280         self.readonly_fields = self.fields
 281
 282
 283 admin.site.register(ActualiteVoir, ActualiteVoirAdmin)
 284
 285 class SourceActualiteAdmin(admin.ModelAdmin):
 286     actions = ['update_sources']
 287     list_display = ['nom', 'url', 'type']
 288     list_filter = ['type']
 289
 290     def update_sources(self, request, queryset):
 291         for source in queryset:
 292             source.update()
 293     update_sources.short_description = u'Mettre à jour les fils sélectionnés'
 294
 295 admin.site.register(SourceActualite, SourceActualiteAdmin)
 296
 297 class EvenementAdminForm(forms.ModelForm):
 298     mots_cles = forms.CharField(label='Mots-clés', required=False)
 299
 300     class Meta:
 301         model = Evenement
 302
 303     def clean(self,):
 304         cleaned_data = self.cleaned_data
 305         debut = cleaned_data.get("debut")
 306         fin = cleaned_data.get("fin")
 307         if debut and fin and debut > fin:
 308             raise forms.ValidationError("La date de fin ne doit pas être antérieure à la date de début")
 309         return cleaned_data
 310
 311 class EvenementAdmin(admin.ModelAdmin):
 312     form = EvenementAdminForm
 313     list_filter = ('approuve', 'regions', 'discipline', 'discipline_secondaire')
 314     list_display = ('titre', 'debut', 'fin', 'ville', 'pays', 'approuve')
 315     fields = ['titre', 'discipline', 'discipline_secondaire', 'mots_cles',
 316               'type', 'adresse', 'ville', 'pays', 'fuseau', 'debut', 'fin', 'piece_jointe', 'regions',
 317               'description', 'prenom', 'nom', 'courriel', 'url', 'approuve']
 318     actions = ['assigner_regions', 'assigner_disciplines']
 319
 320     def queryset(self, request):
 321         return Evenement.all_objects.get_query_set()
 322
 323     def assigner_regions(self, request, queryset):
 324         selected = queryset.values_list('id', flat=True)
 325         selected = ",".join("%s" % val for val in selected)
 326         return HttpResponseRedirect(url('assigner_regions', kwargs=dict(app_name='savoirs', model_name='evenement')) + '?ids=' + selected)
 327     assigner_regions.short_description = u'Assigner des régions'
 328
 329     def assigner_disciplines(self, request, queryset):
 330         selected = queryset.values_list('id', flat=True)
 331         selected = ",".join("%s" % val for val in selected)
 332         return HttpResponseRedirect(url('assigner_disciplines', kwargs=dict(app_name='savoirs', model_name='evenement')) + '?ids=' + selected)
 333     assigner_disciplines.short_description = u'Assigner des disciplines'
 334
 335 admin.site.register(Evenement, EvenementAdmin)
 336
 337 class EvenementVoirAdmin(EvenementAdmin):
 338
 339     actions = None
 340     list_editable = []
 341
 342     def __init__(self, model, admin_site):
 343         super(EvenementVoirAdmin, self).__init__(model, admin_site)
 344
 345         self.readonly_fields = self.fields
 346
 347
 348 admin.site.register(EvenementVoir, EvenementVoirAdmin)
 349
 350 class PageStatiqueAdmin(admin.ModelAdmin):
 351     list_display = ['titre', 'id']
 352     list_display_links = ['titre', 'id']
 353
 354     class Media:
 355         js = ['js/tiny_mce/tiny_mce.js', 'js/tiny_mce_textareas.js']
 356
 357 admin.site.register(PageStatique, PageStatiqueAdmin)
 358
 359
 360 admin.site.register(RecordCategorie)