Merge branch 'master' of git@stigma:platforma
[redakcja.git] / apps / explorer / views.py
index eeac7b6..585edcc 100644 (file)
 from librarian import html
-import hg, urllib2
+import hg, urllib2, time
+
 from django.utils import simplejson as json
+from lxml import etree
+from librarian import dcparser
 
 from django.views.generic.simple import direct_to_template
 
 from django.conf import settings
-from django.http import HttpResponseRedirect
-from django.contrib.auth.decorators import login_required
+from django.http import HttpResponseRedirect, HttpResponse
+
+from django.core.urlresolvers import reverse
+from django.core.paginator import Paginator, InvalidPage, EmptyPage
+
+from django.contrib.auth.decorators import login_required, permission_required
 
 from explorer import forms, models
 
-repo = hg.Repository(settings.REPOSITORY_PATH)
+#
+# Some useful decorators
+#
+def with_repo(view):
+    """Open a repository for this view"""
+    def view_with_repo(request, *args, **kwargs):          
+        kwargs['repo'] = hg.Repository(settings.REPOSITORY_PATH)
+        return view(request, *args, **kwargs)
+    return view_with_repo
+
+#
+def ajax_login_required(view):
+    """Similar ro @login_required, but instead of redirect, 
+    just return some JSON stuff with error."""
+    def view_with_auth(request, *args, **kwargs):
+        if request.user.is_authenticated():
+            return view(request, *args, **kwargs)
+        # not authenticated
+        return HttpResponse( json.dumps({'result': 'access_denied'}) );
+    return view_with_auth
+
+#
+# View all files
+#
+@with_repo
+def file_list(request, repo):
+    paginator = Paginator( repo.file_list('default'), 100);
+    bookform = forms.BookUploadForm()
+
+    try:
+        page = int(request.GET.get('page', '1'))
+    except ValueError:
+        page = 1
+
+    try:
+        files = paginator.page(page)
+    except (EmptyPage, InvalidPage):
+        files = paginator.page(paginator.num_pages)
 
-def file_list(request):
     return direct_to_template(request, 'explorer/file_list.html', extra_context={
-        'objects': repo.all_files(),
+        'files': files, 'page': page, 'bookform': bookform,
     })
 
-def file_xml(request, path):
+@permission_required('explorer.can_add_files')
+@with_repo
+def file_upload(request, repo):
+    form = forms.BookUploadForm(request.POST, request.FILES)
+    if form.is_valid():
+        f = request.FILES['file']        
+
+        def upload_action():
+            print 'Adding file: %s' % f.name
+            repo._add_file(f.name, f.read().decode('utf-8'))
+            repo._commit(message="File %s uploaded from platform by %s" %
+                (f.name, request.user.username), user=request.user.username)
+
+        repo.in_branch(upload_action, 'default')
+        return HttpResponseRedirect( reverse('editor_view', kwargs={'path': f.name}) )
+
+    return direct_to_template(request, 'explorer/file_upload.html',
+        extra_context = {'form' : form} )
+   
+#
+# Edit the file
+#
+
+@ajax_login_required
+@with_repo
+def file_xml(request, repo, path):
     if request.method == 'POST':
         form = forms.BookForm(request.POST)
         if form.is_valid():
-            repo.add_file(path, form.cleaned_data['text'])
-            
-            # add references to comment
-            issues = _get_issues_for_file(path)
-            commit_message = _add_references(form.cleaned_data['commit_message'], issues)
-            print 'Commiting with: ' + commit_message
-
-            repo.commit(message=commit_message, user=form.cleaned_data['user'])
-            return HttpResponseRedirect(request.get_full_path())
-    else:
-        form = forms.BookForm()
-        form.fields['text'].initial = repo.get_file(path).data()
+            print 'Saving whole text.', request.user.username
+            def save_action():
+                print 'In branch: ' + repo.repo[None].branch()
+                repo._add_file(path, form.cleaned_data['content'])                
+                repo._commit(message=(form.cleaned_data['commit_message'] or 'Lokalny zapis platformy.'), user=request.user.username)
+
+            print repo.in_branch(save_action, models.user_branch(request.user) );
+            result = "ok"
+        else:
+            result = "error"
+
+        errors = dict( (field[0], field[1].as_text()) for field in form.errors.iteritems() )
+        return HttpResponse( json.dumps({'result': result, 'errors': errors}) );
+
+    form = forms.BookForm()
+    data = repo.get_file(path, models.user_branch(request.user))
+    form.fields['content'].initial = data
+    return HttpResponse( json.dumps({'result': 'ok', 'content': data}) ) 
+
+@ajax_login_required
+@with_repo
+def file_dc(request, path, repo):
+    if request.method == 'POST':
+        form = forms.DublinCoreForm(request.POST)
+        
+        if form.is_valid():
+            def save_action():
+                file_contents = repo._get_file(path)
+                doc = etree.fromstring(file_contents)
+
+                book_info = dcparser.BookInfo()
+                for name, value in form.cleaned_data.items():
+                    if value is not None and value != '':
+                        setattr(book_info, name, value)
+                rdf = etree.XML(book_info.to_xml())
+
+                old_rdf = doc.getroottree().find('//{http://www.w3.org/1999/02/22-rdf-syntax-ns#}RDF')
+                old_rdf.getparent().remove(old_rdf)
+                doc.insert(0, rdf)
+                repo._add_file(path, etree.tostring(doc, pretty_print=True, encoding=unicode))
+                repo._commit(message=(form.cleaned_data['commit_message'] or 'Lokalny zapis platformy.'), user=request.user.username)
+
+            repo.in_branch(save_action, models.user_branch(request.user) )
+
+            result = "ok"
+        else:
+            result = "error" 
+
+        errors = dict( (field[0], field[1].as_text()) for field in form.errors.iteritems() )
+        return HttpResponse( json.dumps({'result': result, 'errors': errors}) );
     
-    return direct_to_template(request, 'explorer/file_xml.html', extra_context={
-        'hash': path,
-        'form': form,
-        'image_folders_form': forms.ImageFoldersForm(),
-    })
+    fulltext = repo.get_file(path, models.user_branch(request.user))
+    form = forms.DublinCoreForm(text=fulltext)       
+    return HttpResponse( json.dumps({'result': 'ok', 'content': fulltext}) ) 
 
+# Display the main editor view
+
+@login_required
+def display_editor(request, path):
+    return direct_to_template(request, 'explorer/editor.html', extra_context={
+        'hash': path, 'panel_list': ['lewy', 'prawy'],
+    })
 
 # ===============
 # = Panel views =
 # ===============
-def xmleditor_panel(request, path):
+
+@ajax_login_required
+@with_repo
+def xmleditor_panel(request, path, repo):
     form = forms.BookForm()
-    text = repo.get_file(path).data()
+    text = repo.get_file(path, models.user_branch(request.user))
     
     return direct_to_template(request, 'explorer/panels/xmleditor.html', extra_context={
+        'fpath': path,
         'text': text,
     })
     
 
+@ajax_login_required
 def gallery_panel(request, path):
     return direct_to_template(request, 'explorer/panels/gallery.html', extra_context={
+        'fpath': path,
         'form': forms.ImageFoldersForm(),
     })
 
-
-def htmleditor_panel(request, path):
+@ajax_login_required
+@with_repo
+def htmleditor_panel(request, path, repo):
+    user_branch = models.user_branch(request.user)
     return direct_to_template(request, 'explorer/panels/htmleditor.html', extra_context={
-        'html': html.transform(repo.get_file(path).data(), is_file=False),
+        'fpath': path,
+        'html': html.transform(repo.get_file(path, user_branch), is_file=False),
     })
  
 
+@ajax_login_required
+@with_repo
+def dceditor_panel(request, path, repo):
+    user_branch = models.user_branch(request.user)
+    text = repo.get_file(path, user_branch)
+    form = forms.DublinCoreForm(text=text)       
+
+    return direct_to_template(request, 'explorer/panels/dceditor.html', extra_context={
+        'fpath': path,
+        'form': form,
+    })
+
+
+# =================
+# = Utility views =
+# =================
+@ajax_login_required
 def folder_images(request, folder):
     return direct_to_template(request, 'explorer/folder_images.html', extra_context={
         'images': models.get_images_from_folder(folder),
     })
 
+
 def _add_references(message, issues):
     return message + " - " + ", ".join(map(lambda issue: "Refs #%d" % issue['id'], issues))
 
@@ -87,3 +225,11 @@ def _get_issues_for_file(path):
         return []
     finally:
         if uf: uf.close()
+
+
+# =================
+# = Pull requests =
+# =================
+def pull_requests(request):
+    return direct_to_template(request, 'manager/pull_request.html', extra_context = {
+        'objects': models.PullRequest.objects.all()} )