# encoding: utf-8
#@PydevCodeAnalysisIgnore
import datetime
from south.db import db
from south.v2 import DataMigration
from django.db import models
from django.conf import settings
from django.contrib.auth.models import Group, User
from ldt.ldt_utils.models import Project, Content
from guardian.shortcuts import assign
from guardian.core import ObjectPermissionChecker

class Migration(DataMigration):
    
    depends_on = (
                  ("guardian", "0005_auto__chg_field_groupobjectpermission_object_pk__chg_field_userobjectp"),
                  ("user", "0004_fill_language"), 
                  )

    def forwards(self, orm):
        
        for model in ["project", "content", "segment", "author", "media"]:
            self.add_perm(orm, model)            

        everyone = Group.objects.create(name=settings.PUBLIC_GROUP_NAME)
        
        for proj in Project.objects.all():
            assign('ldt_utils.change_project', proj.owner, proj)
            assign('ldt_utils.view_project', proj.owner, proj)
        
        for published_proj in Project.objects.filter(state=2):
            assign('ldt_utils.view_project', everyone, published_proj)
        
        for user in User.objects.all():
            user.groups.add(everyone) 
            
            for group in user.groups.exclude(name=settings.PUBLIC_GROUP_NAME):
                for proj in Project.objects.filter(owner=user):
                    assign('ldt_utils.view_project', group, proj)
            
            checker = ObjectPermissionChecker(user)
            for content in Content.objects.all():
                if checker.has_perm('view_content', content):
                    assign('view_media', user, content.media_obj)
        
        for c in Content.objects.all():
            c.is_public = True

    
    def add_perm(self, orm, model_name):
        # Since south does not migrate permissions, they need to
        # be added to the database manually
        ct, created = orm['contenttypes.ContentType'].objects.get_or_create(model=model_name, app_label='ldt_utils') # model must be lowercase!
        orm['auth.permission'].objects.get_or_create(content_type=ct, codename='view_%s' % model_name, defaults={'name': 'Can view %s' % model_name })
   
    def backwards(self, orm):
        "Write your backwards methods here."


    models = {
        'auth.group': {
            'Meta': {'object_name': 'Group'},
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
        },
        'auth.permission': {
            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
        },
        'auth.user': {
            'Meta': {'object_name': 'User'},
            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
        },
        'contenttypes.contenttype': {
            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
        },
        'ldt_utils.author': {
            'Meta': {'object_name': 'Author'},
            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'null': 'True', 'blank': 'True'}),
            'firstname': ('django.db.models.fields.CharField', [], {'max_length': '512', 'null': 'True', 'blank': 'True'}),
            'handle': ('django.db.models.fields.CharField', [], {'max_length': '512', 'unique': 'True', 'null': 'True', 'blank': 'True'}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'lastname': ('django.db.models.fields.CharField', [], {'max_length': '512', 'null': 'True', 'blank': 'True'})
        },
        'ldt_utils.content': {
            'Meta': {'ordering': "['title']", 'object_name': 'Content'},
            'authors': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['ldt_utils.Author']", 'symmetrical': 'False', 'blank': 'True'}),
            'content_creation_date': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
            'creation_date': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
            'description': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
            'duration': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'iri_id': ('django.db.models.fields.CharField', [], {'default': "u'b6e0454f-174c-11e1-af90-001485352c9a'", 'unique': 'True', 'max_length': '1024'}),
            'iriurl': ('django.db.models.fields.CharField', [], {'max_length': '1024'}),
            'media_obj': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['ldt_utils.Media']", 'null': 'True', 'blank': 'True'}),
            'tags': ('tagging.fields.TagField', [], {'max_length': '2048', 'null': 'True'}),
            'title': ('django.db.models.fields.CharField', [], {'max_length': '1024', 'null': 'True', 'blank': 'True'}),
            'update_date': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'blank': 'True'})
        },
        'ldt_utils.media': {
            'Meta': {'object_name': 'Media'},
            'creation_date': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
            'creator': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
            'description': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
            'duration': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
            'external_id': ('django.db.models.fields.CharField', [], {'max_length': '1024', 'null': 'True', 'blank': 'True'}),
            'external_permalink': ('django.db.models.fields.URLField', [], {'max_length': '1024', 'null': 'True', 'blank': 'True'}),
            'external_publication_url': ('django.db.models.fields.URLField', [], {'max_length': '1024', 'null': 'True', 'blank': 'True'}),
            'external_src_url': ('django.db.models.fields.CharField', [], {'max_length': '1024', 'null': 'True', 'blank': 'True'}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'media_creation_date': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
            'mimetype_field': ('django.db.models.fields.CharField', [], {'max_length': '512', 'null': 'True', 'blank': 'True'}),
            'src': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '1024'}),
            'title': ('django.db.models.fields.CharField', [], {'max_length': '1024', 'null': 'True', 'blank': 'True'}),
            'update_date': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'blank': 'True'}),
            'videopath': ('django.db.models.fields.CharField', [], {'max_length': '1024', 'null': 'True', 'blank': 'True'})
        },
        'ldt_utils.project': {
            'Meta': {'ordering': "['title']", 'object_name': 'Project'},
            'changed_by': ('django.db.models.fields.CharField', [], {'max_length': '70'}),
            'contents': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['ldt_utils.Content']", 'symmetrical': 'False'}),
            'created_by': ('django.db.models.fields.CharField', [], {'max_length': '70'}),
            'creation_date': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
            'description': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'ldt': ('django.db.models.fields.TextField', [], {'null': 'True'}),
            'ldt_id': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '1024'}),
            'modification_date': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'blank': 'True'}),
            'owner': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
            'state': ('django.db.models.fields.IntegerField', [], {'default': '1'}),
            'title': ('django.db.models.fields.CharField', [], {'max_length': '1024'})
        },
        'ldt_utils.segment': {
            'Meta': {'unique_together': "(('project_id', 'iri_id', 'ensemble_id', 'cutting_id', 'element_id'),)", 'object_name': 'Segment'},
            'abstract': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
            'author': ('django.db.models.fields.CharField', [], {'max_length': '1024', 'null': 'True', 'blank': 'True'}),
            'content': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['ldt_utils.Content']"}),
            'cutting_id': ('django.db.models.fields.CharField', [], {'max_length': '1024'}),
            'date': ('django.db.models.fields.CharField', [], {'max_length': '128', 'null': 'True', 'blank': 'True'}),
            'duration': ('django.db.models.fields.IntegerField', [], {'null': 'True'}),
            'element_id': ('django.db.models.fields.CharField', [], {'max_length': '1024'}),
            'ensemble_id': ('django.db.models.fields.CharField', [], {'max_length': '1024'}),
            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
            'iri_id': ('django.db.models.fields.CharField', [], {'max_length': '1024'}),
            'project_id': ('django.db.models.fields.CharField', [], {'max_length': '1024', 'null': 'True', 'blank': 'True'}),
            'project_obj': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['ldt_utils.Project']", 'null': 'True'}),
            'start_ts': ('django.db.models.fields.IntegerField', [], {'null': 'True'}),
            'tags': ('tagging.fields.TagField', [], {'max_length': '2048', 'null': 'True'}),
            'title': ('django.db.models.fields.CharField', [], {'max_length': '2048', 'null': 'True', 'blank': 'True'})
        }
    }

    complete_apps = ['ldt_utils']
