d48b6f3ce32cff797dca893e2b90865199c0147e
[auf_savoirs_en_partage_django.git] / auf_savoirs_en_partage / savoirs / models.py
1 # -*- encoding: utf-8 -*-
2 from django.db import models
3 import simplejson
4 import uuid, datetime
5 from timezones.fields import TimeZoneField
6 from savoirs.globals import META
7 from datamaster_modeles.models import Thematique, Pays, Region
8
9 class Discipline(models.Model):
10 id = models.IntegerField(primary_key=True, db_column='id_discipline')
11 nom = models.CharField(max_length=765, db_column='nom_discipline')
12
13 def __unicode__ (self):
14 return self.nom
15
16 class Meta:
17 db_table = u'discipline'
18 ordering = ["nom",]
19
20 class SourceActualite(models.Model):
21 nom = models.CharField(max_length=255)
22 url = models.CharField(max_length=255)
23
24 class Actualite(models.Model):
25 id = models.AutoField(primary_key=True, db_column='id_actualite')
26 titre = models.CharField(max_length=765, db_column='titre_actualite')
27 texte = models.TextField(db_column='texte_actualite')
28 url = models.CharField(max_length=765, db_column='url_actualite')
29 logo = models.CharField(max_length=765, db_column='logo_actualite')
30 date = models.DateField(db_column='date_actualite')
31 visible = models.CharField(max_length=3, db_column='visible_actualite')
32 ancienid = models.IntegerField(db_column='ancienId_actualite')
33
34 def __unicode__ (self):
35 return "Actualite %d: %s" % (self.id, self.titre)
36
37 class Meta:
38 db_table = u'actualite'
39 ordering = ["-date",]
40
41
42 class ActiveManager(models.Manager):
43 def get_query_set(self):
44 return super(ActiveManager, self).get_query_set().filter(actif=True)
45
46 class Evenement(models.Model):
47 actif = models.BooleanField(default = True)
48 uid = models.CharField(max_length = 255, default = uuid.uuid1)
49 approuve = models.BooleanField(default = False)
50 titre = models.CharField(max_length=255)
51 discipline = models.ForeignKey('Discipline', related_name = "discipline",
52 blank = True, null = True)
53 discipline_secondaire = models.ForeignKey('Discipline', related_name = \
54 "discipline_secondaire",
55 verbose_name = \
56 "Discipline secondaire",
57 blank = True, null = True)
58 mots_cles = models.TextField('Mots-Clés', blank = True, null = True)
59 type = models.CharField(max_length = 255, choices = \
60 (('Colloque', 'Colloque'),
61 ('Conférence', 'Conférence'),
62 ('Appel à contribution', 'Appel à contribution'),
63 ('Journée d\'étude', 'Journée d\'étude'),
64 (None, 'Autre')
65 )) #TODO: choices
66 fuseau = TimeZoneField(verbose_name = 'Fuseau horaire')
67 debut = models.DateTimeField(default = datetime.datetime.now)
68 fin = models.DateTimeField(default = datetime.datetime.now)
69 lieu = models.TextField()
70 description = models.TextField(blank = True, null = True)
71 #fichiers = TODO?
72 contact = models.TextField(blank = True, null = True)
73 url = models.CharField(max_length=255, blank = True, null = True)
74
75 objects = ActiveManager()
76
77 class ListSet(models.Model):
78 spec = models.CharField(primary_key = True, max_length = 255)
79 name = models.CharField(max_length = 255)
80 server = models.CharField(max_length = 255)
81 validated = models.BooleanField(default = True)
82
83 class Record(models.Model):
84
85 #fonctionnement interne
86 id = models.AutoField(primary_key = True)
87 server = models.CharField(max_length = 255)
88 last_update = models.CharField(max_length = 255)
89 last_checksum = models.CharField(max_length = 255)
90 validated = models.BooleanField(default = True)
91
92 #OAI
93 title = models.TextField(null = True, blank = True)
94 creator = models.TextField(null = True, blank = True)
95 description = models.TextField(null = True, blank = True)
96 modified = models.CharField(max_length = 255, null = True, blank = True)
97 identifier = models.CharField(max_length = 255, null = True, blank = True, unique = True)
98 uri = models.CharField(max_length = 255, null = True, blank = True, unique = True)
99 source = models.TextField(null = True, blank = True)
100 contributor = models.TextField(null = True, blank = True)
101 subject = models.TextField(null = True, blank = True)
102 publisher = models.TextField(null = True, blank = True)
103 type = models.TextField(null = True, blank = True)
104 format = models.TextField(null = True, blank = True)
105 language = models.TextField(null = True, blank = True)
106
107 listsets = models.ManyToManyField(ListSet, null = True, blank = True)
108
109 #SEP 2 (aucune données récoltées)
110 alt_title = models.TextField(null = True, blank = True)
111 abstract = models.TextField(null = True, blank = True)
112 creation = models.CharField(max_length = 255, null = True, blank = True)
113 issued = models.CharField(max_length = 255, null = True, blank = True)
114 isbn = models.TextField(null = True, blank = True)
115 orig_lang = models.TextField(null = True, blank = True)
116
117 # Metadata AUF multivaluées
118 disciplines = models.ManyToManyField(Discipline)
119 thematiques = models.ManyToManyField(Thematique)
120 pays = models.ManyToManyField(Pays)
121 regions = models.ManyToManyField(Region)
122
123
124 def __unicode__(self):
125 return "R[%s] %s" % (self.id, self.title)
126
127 # Ces fonctions sont utilisées pour travailler directement sur les données JSON enregistrées tel quel
128 # sur la base de données. Lorsque le modèle est initialisé, les fields sont décodés, et lorsque l'objet
129 # est sauvegardé, on s'assure de remettre les données encodées en JSON.
130 # TODO : a terme, les données ne seront plus stockées au format JSON dans la BD et ces fonctions seront
131 # donc obsolètes.
132 #
133 # def save(self, *args, **kwargs):
134 #
135 # for field_name in [f for f in self._meta.get_all_field_names() if f in META.keys()]:
136 # v = getattr (self, field_name, None)
137 # setattr(self, field_name, simplejson.dumps(v))
138 #
139 # super(Record, self).save(*args, **kwargs)
140 #
141 #def decode_json(instance, **kwargs):
142 # for field_name in [f for f in instance._meta.get_all_field_names() if f in META.keys()]:
143 # json = getattr(instance, field_name)
144 # data = "-"
145 # v = getattr (instance, field_name, None)
146 # if v is not None:
147 # data = simplejson.loads(v)
148 # if not isinstance(data, basestring):
149 # decoded_value = u",".join(data)
150 # else:
151 # decoded_value = data
152 # setattr(instance, field_name, decoded_value)
153 #
154 #models.signals.post_init.connect(decode_json, Record)
155
156
157 class HarvestLog(models.Model):
158 context = models.CharField(max_length = 255)
159 name = models.CharField(max_length = 255)
160 date = models.DateTimeField(auto_now = True)
161 added = models.IntegerField(null = True, blank = True)
162 updated = models.IntegerField(null = True, blank = True)
163 processed = models.IntegerField(null = True, blank = True)
164 record = models.ForeignKey(Record, null = True, blank = True)
165
166 @staticmethod
167 def add(message):
168 logger = HarvestLog()
169 if message.has_key('record_id'):
170 message['record'] = Record.objects.get(id=message['record_id'])
171 del(message['record_id'])
172
173 for k,v in message.items():
174 setattr(logger, k, v)
175 logger.save()