web/ldt/ldt_utils/views.py
changeset 82 9202807b4cec
parent 81 97b12f5f2c7a
child 83 ec31a4bd86d3
--- a/web/ldt/ldt_utils/views.py	Wed Sep 29 10:10:07 2010 +0200
+++ b/web/ldt/ldt_utils/views.py	Tue Oct 12 03:23:33 2010 +0200
@@ -1,37 +1,40 @@
-import django.core.urlresolvers
-from django.http import HttpResponse, HttpResponseRedirect, HttpResponseForbidden
-from django.shortcuts import render_to_response, get_object_or_404, get_list_or_404
+from Ft.Xml import MarkupWriter
+from contentindexer import *
+from django.conf import settings
+from django.contrib.auth.decorators import login_required
+from django.core import serializers
+from django.core.urlresolvers import reverse
+from django.forms.util import ErrorList
+from django.http import HttpResponse, HttpResponseRedirect, \
+    HttpResponseForbidden
+from django.shortcuts import render_to_response, get_object_or_404, \
+    get_list_or_404
 from django.template import RequestContext
-from django.core.urlresolvers import reverse
-from django.contrib.auth.decorators import login_required
-from django.conf import settings
-from django.core import serializers
 from django.utils import simplejson
 from django.utils.html import escape
+from django.utils.translation import ugettext as _, ungettext
 from fileimport import *
-from forms import LdtImportForm, LdtAddForm, SearchForm, AddProjectForm, CopyProjectForm, ContentForm, MediaForm
+from forms import LdtImportForm, LdtAddForm, SearchForm, AddProjectForm, \
+    CopyProjectForm, ContentForm, MediaForm
 from ldt.core.models import Owner
 from models import *
-from utils import *
-from contentindexer import *
 from projectserializer import *
 from string import Template
-from Ft.Xml import MarkupWriter
+from urllib2 import urlparse
+from utils import *
+import base64
 import cgi
+import django.core.urlresolvers
+import ldt.auth as ldt_auth
+import ldt.utils.path as ldt_utils_path
+import logging
+import lucene
+import tempfile
+import urllib2
 import uuid
-import base64
-import lucene
 import xml.dom
 import xml.dom.ext
 import xml.dom.minidom
-import tempfile
-import urllib2
-from urllib2 import urlparse
-from jogging import logging
-import ldt.utils.path
-import ldt.auth as ldt_auth
-from django.utils.translation import ugettext as _
-
 
     
 def searchForm(request):
@@ -159,11 +162,15 @@
         if form.is_valid():
             user = request.user
             Project.create_project(title=form.cleaned_data['title'], user=user, contents=form.cleaned_data['contents'])
-            return HttpResponseRedirect(reverse("ldt.ldt_utils.views.list_ldt"))
+            form_status = "saved"
+            contents=[]
+            #return HttpResponseRedirect(reverse("ldt.ldt_utils.views.list_ldt"))
     else:
         form = LdtAddForm()
-        contents = Content.objects.all()    
-        return render_to_response('ldt/ldt_utils/create_ldt.html', {'contents': contents, 'form': form,'create_project_action':reverse(create_ldt_view)}, context_instance=RequestContext(request))
+        contents = Content.objects.all()
+        form_status = "none"
+            
+    return render_to_response('ldt/ldt_utils/create_ldt.html', {'contents': contents, 'form': form, 'form_status':form_status,'create_project_action':reverse(create_ldt_view)}, context_instance=RequestContext(request))
      
 def created_ldt(request):
     return render_to_response('ldt/ldt_utils/done.html', context_instance=RequestContext(request))
@@ -358,7 +365,42 @@
             return HttpResponseRedirect(reverse('ldt.ldt_utils.views.indexProject', args=[project.ldt_id]))
     else:
         form = AddProjectForm()
-    return render_to_response('ldt/ldt_utils/create_ldt.html', {'form':form, 'contents':contents, 'iri_id':iri_id, 'create_project_action':reverse("ldt.ldt_utils.views.create_project",args=[iri_id])}, context_instance=RequestContext(request))
+    return render_to_response('ldt/ldt_utils/create_ldt.html', {'form':form, 'contents':contents, 'create_project_action':reverse("ldt.ldt_utils.views.create_project",args=[iri_id])}, context_instance=RequestContext(request))
+
+@login_required
+def update_project(request, ldt_id):
+
+    project = get_object_or_404(Project, ldt_id=ldt_id)
+    contents = project.contents.all()
+    if request.method == "POST" :
+        submit_action = request.REQUEST.get("submit_button",False)
+        if submit_action == "prepare_delete":
+            errors = []
+            if project.state == 2:
+                errors.append(_("the project %(title)s is published. please unpublish before deleting.")%{'title':project.title})
+                message = _("can not delete the project. Please correct the following error")
+                title =  _('title error deleting project')
+            else:
+                message = _("please confirm deleting project %(title)s")%{'title':project.title}
+                title = _("confirm deletion")
+            return render_to_response('ldt/ldt_utils/error_confirm.html', {'errors':errors, 'message':message, 'title': title}, context_instance=RequestContext(request))
+        elif submit_action == "delete":
+            if project.state != 2:
+                project.delete()
+            form_status= 'deleted'
+            form = AddProjectForm()
+        else:
+            form_status= 'saved'
+            form = AddProjectForm(request.POST)
+            if form.is_valid():
+                project.title=form.cleaned_data['title']
+                project.save()
+    else:
+        form = AddProjectForm({'title':unicode(project.title)})
+        form_status= 'none'
+        
+    return render_to_response('ldt/ldt_utils/create_ldt.html', {'form':form, 'form_status':form_status, 'ldt_id': ldt_id, 'contents':contents, 'create_project_action':reverse("ldt.ldt_utils.views.update_project",args=[ldt_id])}, context_instance=RequestContext(request))
+
 
 @login_required
 def copy_project(request, ldt_id):
@@ -377,6 +419,7 @@
 
 def write_content_base(request, iri_id=None):
 
+    logging.debug(repr(request))
     if iri_id:        
         instance_content = Content.objects.get(iri_id=iri_id)
         instance_media = instance_content.media_obj
@@ -408,59 +451,70 @@
             elif media_input_type == "link":
                 media = content_form.cleaned_data["media_obj"]
                 created = False
-            elif media_input_type == "url" or  media_input_type == "upload" or  media_input_type == "create":                
+            elif media_input_type == "create":
+                del cleaned_data["media_file"]
+                if not cleaned_data['videopath']:
+                    cleaned_data['videopath'] = settings.STREAM_URL
+                media, created = Media.objects.get_or_create(src=cleaned_data['src'], defaults=cleaned_data)
+            elif media_input_type == "url" or  media_input_type == "upload" :                
                 # copy file
                 #complet src
                 destination_file = None
                 source_file = None
                 destination_file_path = None
-                if media_input_type != "create":
-                    try:
-                        if media_input_type == "url":
-                            url = cleaned_data["external_src_url"]
-                            source_file = urllib2.urlopen(url)
-                            source_filename = source_file.info().get('Content-Disposition', None)
-                            if not source_filename:
-                                source_filename = urlparse.urlparse(url).path.rstrip("/").split('/')[-1]
-                        elif media_input_type == "upload":
-                            source_file = request.FILES['media-media_file']
-                            source_filename = source_file.name
-                            
-                        source_filename = ldt.utils.path.sanitize_filename(source_filename)
-                        destination_filepath = os.path.join(settings.STREAM_PATH, source_filename)
-                        base_source_filename = source_filename
-                        extension = base_source_filename.split(".")[-1]
-                        if extension == base_source_filename:
-                            extension = ""
-                            base_basename_filename = base_source_filename
-                        else:
-                            base_basename_filename  =  base_source_filename[:-1 *(len(extension)+1)]
-                        i = 0
-                        while os.path.exists(destination_filepath):
-                            base_source_filename = "%s.%d.%s" % (base_basename_filename,i,extension)
-                            destination_filepath = os.path.join(settings.STREAM_PATH, base_source_filename)
-                            i += 1
-                            
-                        destination_file = open(destination_filepath, "w")
-                        src_prefix = settings.STREAM_SRC_PREFIX.rstrip("/")
-                        if len(src_prefix) > 0:
-                            cleaned_data["src"] = src_prefix + "/" + base_source_filename
-                        else:
-                            cleaned_data["src"] =  base_source_filename
+                try:
+                    if media_input_type == "url":
+                        url = cleaned_data["external_src_url"]
+                        source_file = urllib2.urlopen(url)
+                        source_filename = source_file.info().get('Content-Disposition', None)
+                        if not source_filename:
+                            source_filename = urlparse.urlparse(url).path.rstrip("/").split('/')[-1]
+                    elif media_input_type == "upload":
+                        source_file = request.FILES['media-media_file']
+                        source_filename = source_file.name
+                    
+                    source_filename = ldt_utils_path.sanitize_filename(source_filename)
+                    destination_filepath = os.path.join(settings.STREAM_PATH, source_filename)
+                    base_source_filename = source_filename
+                    extension = base_source_filename.split(".")[-1]
+                    if extension == base_source_filename:
+                        extension = ""
+                        base_basename_filename = base_source_filename
+                    else:
+                        base_basename_filename  =  base_source_filename[:-1 *(len(extension)+1)]
+                    i = 0
+                    while os.path.exists(destination_filepath):
+                        base_source_filename = "%s.%d.%s" % (base_basename_filename,i,extension)
+                        destination_filepath = os.path.join(settings.STREAM_PATH, base_source_filename)
+                        i += 1
                         
+                    destination_file = open(destination_filepath, "w")
+                    src_prefix = settings.STREAM_SRC_PREFIX.rstrip("/")
+                    if len(src_prefix) > 0:
+                        cleaned_data["src"] = src_prefix + "/" + base_source_filename
+                    else:
+                        cleaned_data["src"] =  base_source_filename
+                    
+                    chunck = source_file.read(2048)
+                    while chunck:
+                        destination_file.write(chunck)
                         chunck = source_file.read(2048)
-                        while chunck:
-                            destination_file.write(chunck)
-                            chunck = source_file.read(2048)
-            
-                    except Exception as inst:
-                        logging.debug("write_content_base : POST error when processing file:" + str(inst))
-                        form_status = "error"
-                    finally:
-                        if destination_file:
-                            destination_file.close()
-                        if source_file:
-                            source_file.close()
+        
+                except Exception as inst:
+                    logging.debug("write_content_base : POST error when processing file:" + str(inst))
+                    form_status = "error"
+                    #set error for form
+                    if media_input_type == "url":
+                        errors = media_form._errors.setdefault("external_src_url", ErrorList())
+                        errors.append(_("Problem when downloading file from url : ")+str(inst))
+                    elif media_input_type == "upload":
+                        errors = media_form._errors.setdefault("media_file", ErrorList())
+                        errors.append(_("Problem when uploading file : ") + str(inst))
+                finally:
+                    if destination_file:
+                        destination_file.close()
+                    if source_file:
+                        source_file.close()
                         
                 if form_status != "error":
                     #try:
@@ -517,18 +571,61 @@
     
     return content_form, media_form, form_status
 
-
+@login_required
 def write_content(request, iri_id=None):
     
-    logging.debug("write_content : " + str(iri_id) )
-    content_form, media_form, form_status = write_content_base(request, iri_id)
-    
+    submit_action = request.REQUEST.get("submit_button",False) 
+
+    if submit_action == "prepare_delete": 
+        errors, titles = prepare_delete_content(request, iri_id)
+        if errors and len(errors) > 0:
+            message = ungettext("There is %(count)d error when deleting content", "There are %(count)d errors when deleting content", len(errors)) % { 'count': len(errors)}
+            title_msg = _('title error deleting content')
+        else:
+            message = _("Confirm delete content %(titles)s") % { 'titles' : ",".join(titles) }
+            title_msg = _("confirm delete content")
+        return render_to_response('ldt/ldt_utils/error_confirm.html', {'errors':errors, 'message':message, 'title': title_msg}, context_instance=RequestContext(request))  
+    elif submit_action == "delete":
+        delete_content(request, iri_id)
+        form_status = "deleted"
+        content_form = ContentForm()
+        media_form = MediaForm()
+    else:
+        content_form, media_form, form_status = write_content_base(request, iri_id)
+
     if iri_id:
         create_content_action =  reverse(write_content, kwargs={'iri_id':iri_id})
     else:
         create_content_action =  reverse(write_content)
+
     
-    return render_to_response('ldt/ldt_utils/create_content.html', {'content_form': content_form, 'media_form': media_form,'form_status': form_status,'create_content_action': create_content_action}, context_instance=RequestContext(request))
+    return render_to_response('ldt/ldt_utils/create_content.html', {'content_form': content_form, 'media_form': media_form,'form_status': form_status,'create_content_action': create_content_action, 'iri_id': iri_id}, context_instance=RequestContext(request))
+
+@login_required
+def prepare_delete_content(request, iri_id=None):
+    errors = []
+    titles = []
+    if not iri_id:
+        iri_id = request.REQUEST.get("iri_id", None)
+        
+    if iri_id:
+        for content in Content.objects.filter(iri_id=iri_id):
+            titles.append(unicode(content.title))
+            projects = Content.objects.all()[0].project_set.all()
+            projects_nb = len(projects)
+            if projects_nb > 0:
+                project_titles = [lambda p: p.title for p in projects]
+                errors.append(ungettext("Content '%(title)s' is referenced by this project : %(project_titles)s. Please delete it beforehand.", "Content '%(title)s' is referenced by %(count)d projects: %(project_titles)s. Please delete them beforehand.", projects_nb)%{'title':content.title,'count':projects_nb, 'project_titles': ",".join(project_titles)}) 
+        
+    return errors, titles
 
 
+@login_required
+def delete_content(request, iri_id=None):
+    if not iri_id:
+        iri_id = request.REQUEST.get("iri_id", None)
+        
+    if iri_id:
+        Content.objects.filter(iri_id=iri_id).delete()
+    
     
\ No newline at end of file