758981283f6e25b5220633a58a0d12074296b2ef
[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
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 Record(models.Model):
78
79 #fonctionnement interne
80 id = models.AutoField(primary_key = True)
81 server = models.CharField(max_length = 255)
82 last_update = models.CharField(max_length = 255)
83 last_checksum = models.CharField(max_length = 255)
84
85 #OAI
86 title = models.TextField(null = True, blank = True)
87 creator = models.TextField(null = True, blank = True)
88 description = models.TextField(null = True, blank = True)
89 modified = models.CharField(max_length = 255, null = True, blank = True)
90 identifier = models.CharField(max_length = 255, null = True, blank = True, unique = True)
91 uri = models.CharField(max_length = 255, null = True, blank = True, unique = True)
92 source = models.TextField(null = True, blank = True)
93 contributor = models.TextField(null = True, blank = True)
94 subject = models.TextField(null = True, blank = True)
95 publisher = models.TextField(null = True, blank = True)
96 type = models.TextField(null = True, blank = True)
97 format = models.TextField(null = True, blank = True)
98 language = models.TextField(null = True, blank = True)
99
100 #SEP 2 (aucune données récoltées)
101 alt_title = models.TextField(null = True, blank = True)
102 abstract = models.TextField(null = True, blank = True)
103 creation = models.CharField(max_length = 255, null = True, blank = True)
104 issued = models.CharField(max_length = 255, null = True, blank = True)
105 isbn = models.TextField(null = True, blank = True)
106 orig_lang = models.TextField(null = True, blank = True)
107
108 # Metadata AUF multivaluées
109 disciplines = models.ManyToManyField(Discipline)
110 thematiques = models.ManyToManyField(Thematique)
111
112 def __unicode__(self):
113 return "R[%s] %s" % (self.id, self.title)
114
115 # Ces fonctions sont utilisées pour travailler directement sur les données JSON enregistrées tel quel
116 # sur la base de données. Lorsque le modèle est initialisé, les fields sont décodés, et lorsque l'objet
117 # est sauvegardé, on s'assure de remettre les données encodées en JSON.
118 # TODO : a terme, les données ne seront plus stockées au format JSON dans la BD et ces fonctions seront
119 # donc obsolètes.
120 #
121 # def save(self, *args, **kwargs):
122 #
123 # for field_name in [f for f in self._meta.get_all_field_names() if f in META.keys()]:
124 # v = getattr (self, field_name, None)
125 # setattr(self, field_name, simplejson.dumps(v))
126 #
127 # super(Record, self).save(*args, **kwargs)
128 #
129 #def decode_json(instance, **kwargs):
130 # for field_name in [f for f in instance._meta.get_all_field_names() if f in META.keys()]:
131 # json = getattr(instance, field_name)
132 # data = "-"
133 # v = getattr (instance, field_name, None)
134 # if v is not None:
135 # data = simplejson.loads(v)
136 # if not isinstance(data, basestring):
137 # decoded_value = u",".join(data)
138 # else:
139 # decoded_value = data
140 # setattr(instance, field_name, decoded_value)
141 #
142 #models.signals.post_init.connect(decode_json, Record)
143
144
145 class HarvestLog(models.Model):
146 context = models.CharField(max_length = 255)
147 name = models.CharField(max_length = 255)
148 date = models.DateTimeField(auto_now = True)
149 added = models.IntegerField(null = True, blank = True)
150 updated = models.IntegerField(null = True, blank = True)
151 record = models.ForeignKey(Record, null = True, blank = True)
152
153 @staticmethod
154 def add(message):
155 logger = HarvestLog()
156 if message.has_key('record_id'):
157 message['record'] = Record.objects.get(id=message['record_id'])
158 del(message['record_id'])
159
160 for k,v in message.items():
161 setattr(logger, k, v)
162 logger.save()