diff -r 651f67b66c51 -r 7c994c98d1df web/ldt_utils/ldt/models.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/ldt_utils/ldt/models.py	Tue Jun 08 15:31:42 2010 +0200
@@ -0,0 +1,124 @@
+from django.db import models
+from django.conf import settings
+from ldt.core.models import Document, Owner
+from django.utils.translation import ugettext_lazy as _
+from utils import create_ldt, copy_ldt
+import uuid
+
+class Author(models.Model):
+
+    handle = models.CharField(max_length=512, unique=True, blank=True, null=True)
+    email = models.EmailField(unique=False, blank=True, null=True)
+    firstname = models.CharField(max_length=512, blank=True, null=True)
+    lastname = models.CharField(max_length=512, blank=True, null=True)
+    
+    def __unicode__(self):
+        return unicode(self.id) + " - " + self.handle + ", " + self.email + ", " + self.firstname + " " + self.lastname
+
+
+class Content(models.Model):
+    iri_id = models.CharField(max_length=1024, unique=True)
+    iriurl = models.URLField()
+    videopath = models.URLField(null=True, blank=True)
+    creation_date = models.DateTimeField(auto_now_add=True)
+    update_date = models.DateTimeField(auto_now=True)
+    title = models.CharField(max_length=1024, null=True, blank=True)
+    description = models.TextField(null=True, blank=True)
+    external_id = models.CharField(max_length=1024, null=True, blank=True)
+    authors = models.ManyToManyField(Author)
+    duration = models.IntegerField(null=True, blank=True)
+
+    def get_duration(self):
+        if self.duration is None:
+            doc = xml.dom.minidom.parse(self.iri_file_path())
+            doc = Ft.Xml.Domlette.ConvertDocument(doc)        
+            con = xml.xpath.Context.Context(doc, 1, 1, None)
+            res = xml.xpath.Evaluate("/iri/body/medias/media[@id='video']/video", context=con)
+            self.duration = int(res[0].getAttributeNS(None, 'dur'))
+            self.save()
+        return self.duration
+    
+    def delete(self):
+        super(Content, self).delete()
+        writer = lucene.IndexWriter(STORE, ANALYZER, True, lucene.IndexWriter.MaxFieldLength.UNLIMITED)
+        writer.deleteDocuments(lucene.Term("iri_id", self.iri_id))
+        writer.commit() 
+    
+    def __unicode__(self):
+        return str(self.id) + ": " + self.iri_id
+        
+    def iri_url(self, web_url=settings.WEB_URL):
+        if 'http' in self.iriurl or 'https' in self.iriurl:
+            return self.iriurl
+        else:
+            return unicode(web_url) + unicode(settings.MEDIA_URL)+u"media/ldt/"+unicode(self.iriurl)
+        
+        
+class Project(Document):  
+    STATE_CHOICES=(
+    (1, 'edition'),
+    (2, 'published'),
+    (3, 'moderated'),
+    (4, 'rejected'),
+    (5, 'deleted')
+    )
+    ldt_id = models.CharField(max_length=1024, unique=True)
+    ldt = models.TextField(null=True)
+    title = models.CharField(max_length=1024)
+    contents = models.ManyToManyField(Content)
+    creation_date = models.DateTimeField(auto_now_add=True)
+    modification_date = models.DateTimeField(auto_now=True)
+    created_by = models.CharField(_("created by"), max_length=70)
+    changed_by = models.CharField(_("changed by"), max_length=70)
+    state = models.IntegerField(choices=STATE_CHOICES, default=1)
+    
+    def __unicode__(self):
+        return unicode(self.id) + u": " + unicode(self.ldt_id)
+
+    @staticmethod
+    def create_project(user, title, contents):
+        owner = Owner.objects.get(user=user)
+        project = Project(title=title, owner=owner)
+        project.ldt_id = str(uuid.uuid1())
+        project.created_by=user.username
+        project.changed_by=user.username
+        project.state = 1
+        project.save()
+        for content in contents:
+            project.contents.add(content)
+        project.save()
+        return create_ldt(project, user)
+
+    def copy_project(self, user, title):
+        owner = Owner.objects.get(user=user)
+        project = Project(title=title, owner=owner)
+        project = copy_ldt(self, project, user)
+        project.save()
+        for content in self.contents.all():
+            project.contents.add(content)
+        project.save()
+        return project
+
+class Segment(models.Model):
+    
+    project_obj = models.ForeignKey(Project, null=True)
+    content = models.ForeignKey(Content)
+    project_id = models.CharField(max_length=1024, unique=False, blank=True, null=True)
+    iri_id = models.CharField(max_length=1024, unique=False)
+    ensemble_id = models.CharField(max_length=1024, unique=False)
+    cutting_id = models.CharField(max_length=1024, unique=False)    
+    element_id = models.CharField(max_length=1024, unique=False)
+    tags = models.CharField(max_length=2048, unique=False, null=True, blank=True)  
+    title = models.CharField(max_length=2048, unique=False, null=True, blank=True)
+    duration = models.IntegerField(null=True)
+    start_ts = models.IntegerField(null=True)
+    author = models.CharField(max_length=1024, unique=False, null=True, blank=True)
+    date = models.CharField(max_length=128, unique=False, null=True, blank=True)
+    abstract = models.TextField(null=True, blank=True)
+    
+    def __unicode__(self):
+        return "/".join((unicode(self.project_id), unicode(self.iri_id), unicode(self.ensemble_id), unicode(self.cutting_id), unicode(self.element_id)))
+    
+    class Meta:
+        unique_together = (('project_id', 'iri_id', 'ensemble_id', 'cutting_id', 'element_id'),)
+