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[redakcja.git] / apps / wiki / views.py
diff --git a/apps/wiki/views.py b/apps/wiki/views.py
index ea6fa8b..424de24 100644 (file)
--- a/apps/wiki/views.py
+++ b/apps/wiki/views.py
@@ -1,81 +1,697 @@
 import os
 import os
+from StringIO import StringIO
+import logging
+logger = logging.getLogger("fnp.wiki")
+
+from lxml import etree
 
 from django.conf import settings
 
 from django.conf import settings
+
+from django.contrib import auth
+from django.contrib.auth.models import User
+from django.contrib.auth.decorators import login_required
+from django.db.models import Count
+from django.utils.http import urlquote_plus
 from django.views.generic.simple import direct_to_template
 from django.views.generic.simple import direct_to_template
-from django.http import HttpResponse, Http404
-from django.utils import simplejson as json
+from django.views.decorators.http import require_POST, require_GET
+from django.core.urlresolvers import reverse
+from wiki.helpers import (JSONResponse, JSONFormInvalid, JSONServerError,
+                ajax_require_permission, recursive_groupby, active_tab)
+from wiki import helpers
+from django import http
+from django.shortcuts import get_object_or_404, redirect
+from django.http import Http404
 
 
-from wiki.models import storage, Document, DocumentNotFound
-from wiki.forms import DocumentForm
+from wiki.models import Book, Chunk, Theme
+from wiki import forms
 from datetime import datetime
 from datetime import datetime
+from django.utils.encoding import smart_unicode
+from django.utils.translation import ugettext_lazy as _
+from django.utils.decorators import decorator_from_middleware
+from django.middleware.gzip import GZipMiddleware
+
+import librarian.html
+import librarian.text
+from wiki import xml_tools
+from apiclient import api_call
+
+#
+# Quick hack around caching problems, TODO: use ETags
+#
+from django.views.decorators.cache import never_cache
+
+import nice_diff
+import operator
+
+MAX_LAST_DOCS = 10
+
+
+@active_tab('all')
+@never_cache
+def document_list(request):
+    chunks_list = helpers.ChunksList(Chunk.objects.order_by(
+        'book__title', 'book', 'number'))
+
+    return direct_to_template(request, 'wiki/document_list.html', extra_context={
+        'books': chunks_list,
+        #'books': [helpers.BookChunks(b) for b in Book.objects.all().select_related()],
+        'last_books': sorted(request.session.get("wiki_last_books", {}).items(),
+                        key=lambda x: x[1]['time'], reverse=True),
+    })
 
 
-# import google_diff
-import difflib
 
 
+@active_tab('unassigned')
+@never_cache
+def unassigned(request):
+    chunks_list = helpers.ChunksList(Chunk.objects.filter(
+        user=None).order_by('book__title', 'book__id', 'number'))
 
 
-class DateTimeEncoder(json.JSONEncoder):
-     def default(self, obj):
-         if isinstance(obj, datetime):
-             return datetime.ctime(obj) + " " + (datetime.tzname(obj) or 'GMT')
-         return json.JSONEncoder.default(self, obj)
+    return direct_to_template(request, 'wiki/document_list.html', extra_context={
+        'books': chunks_list,
+        'last_books': sorted(request.session.get("wiki_last_books", {}).items(),
+                        key=lambda x: x[1]['time'], reverse=True),
+    })
+
+
+@never_cache
+def user(request, username=None):
+    if username is None:
+        if request.user.is_authenticated():
+            user = request.user
+        else:
+            raise Http404
+    else:
+        user = get_object_or_404(User, username=username)
 
 
-def document_list(request, template_name = 'wiki/document_list.html'):
-    return direct_to_template(request, template_name, extra_context = {
-        'document_list': storage.all(),
+    chunks_list = helpers.ChunksList(Chunk.objects.filter(
+        user=user).order_by('book__title', 'book', 'number'))
+
+    return direct_to_template(request, 'wiki/document_list.html', extra_context={
+        'books': chunks_list,
+        'last_books': sorted(request.session.get("wiki_last_books", {}).items(),
+                        key=lambda x: x[1]['time'], reverse=True),
     })
     })
+my = login_required(active_tab('my')(user))
+
+
+@active_tab('users')
+def users(request):
+    return direct_to_template(request, 'wiki/user_list.html', extra_context={
+        'users': User.objects.all().annotate(count=Count('chunk')).order_by(
+            '-count', 'last_name', 'first_name'),
+    })
+
 
 
+@never_cache
+def logout_then_redirect(request):
+    auth.logout(request)
+    return http.HttpResponseRedirect(urlquote_plus(request.GET.get('next', '/'), safe='/?='))
 
 
-def document_detail(request, name, template_name = 'wiki/document_details.html'):
+
+@never_cache
+def editor(request, slug, chunk=None, template_name='wiki/document_details.html'):
+    try:
+        chunk = Chunk.get(slug, chunk)
+    except Chunk.MultipleObjectsReturned:
+        # TODO: choice page
+        raise Http404
+    except Chunk.DoesNotExist:
+        if chunk is None:
+            try:
+                book = Book.objects.get(slug=slug)
+            except Book.DoesNotExist:
+                return http.HttpResponseRedirect(reverse("wiki_create_missing", args=[slug]))
+        else:
+            raise Http404
+
+    access_time = datetime.now()
+    last_books = request.session.get("wiki_last_books", {})
+    last_books[slug, chunk.slug] = {
+        'time': access_time,
+        'title': chunk.pretty_name(),
+        }
+
+    if len(last_books) > MAX_LAST_DOCS:
+        oldest_key = min(last_books, key=lambda x: last_books[x]['time'])
+        del last_books[oldest_key]
+    request.session['wiki_last_books'] = last_books
+
+    return direct_to_template(request, template_name, extra_context={
+        'chunk': chunk,
+        'forms': {
+            "text_save": forms.DocumentTextSaveForm(prefix="textsave"),
+            "text_revert": forms.DocumentTextRevertForm(prefix="textrevert"),
+            "add_tag": forms.DocumentTagForm(prefix="addtag"),
+            "pubmark": forms.DocumentPubmarkForm(prefix="pubmark"),
+        },
+        'REDMINE_URL': settings.REDMINE_URL,
+    })
+
+
+@require_GET
+def editor_readonly(request, slug, chunk=None, template_name='wiki/document_details_readonly.html'):
     try:
     try:
-        document = storage.get(name)
-    except DocumentNotFound:        
+        chunk = Chunk.get(slug, chunk)
+        revision = request.GET['revision']
+    except (Chunk.MultipleObjectsReturned, Chunk.DoesNotExist, KeyError):
+        raise Http404
+
+    access_time = datetime.now()
+    last_books = request.session.get("wiki_last_books", {})
+    last_books[slug, chunk.slug] = {
+        'time': access_time,
+        'title': chunk.book.title,
+        }
+
+    if len(last_books) > MAX_LAST_DOCS:
+        oldest_key = min(last_books, key=lambda x: last_books[x]['time'])
+        del last_books[oldest_key]
+    request.session['wiki_last_books'] = last_books
+
+    return direct_to_template(request, template_name, extra_context={
+        'chunk': chunk,
+        'revision': revision,
+        'readonly': True,
+        'REDMINE_URL': settings.REDMINE_URL,
+    })
+
+
+@active_tab('create')
+def create_missing(request, slug=None):
+    if slug is None:
+        slug = ''
+    slug = slug.replace(' ', '-')
+
+    if request.method == "POST":
+        form = forms.DocumentCreateForm(request.POST, request.FILES)
+        if form.is_valid():
+            
+            if request.user.is_authenticated():
+                creator = request.user
+            else:
+                creator = None
+            book = Book.create(creator=creator,
+                slug=form.cleaned_data['slug'],
+                title=form.cleaned_data['title'],
+                text=form.cleaned_data['text'],
+            )
+
+            return http.HttpResponseRedirect(reverse("wiki_editor", args=[book.slug]))
+    else:
+        form = forms.DocumentCreateForm(initial={
+                "slug": slug,
+                "title": slug.replace('-', ' ').title(),
+        })
+
+    return direct_to_template(request, "wiki/document_create_missing.html", extra_context={
+        "slug": slug,
+        "form": form,
+    })
+
+
+@active_tab('upload')
+def upload(request):
+    if request.method == "POST":
+        form = forms.DocumentsUploadForm(request.POST, request.FILES)
+        if form.is_valid():
+            import slughifi
+
+            if request.user.is_authenticated():
+                creator = request.user
+            else:
+                creator = None
+
+            zip = form.cleaned_data['zip']
+            skipped_list = []
+            ok_list = []
+            error_list = []
+            slugs = {}
+            existing = [book.slug for book in Book.objects.all()]
+            for filename in zip.namelist():
+                if filename[-1] == '/':
+                    continue
+                title = os.path.basename(filename)[:-4]
+                slug = slughifi(title)
+                if not (slug and filename.endswith('.xml')):
+                    skipped_list.append(filename)
+                elif slug in slugs:
+                    error_list.append((filename, slug, _('Slug already used for %s' % slugs[slug])))
+                elif slug in existing:
+                    error_list.append((filename, slug, _('Slug already used in repository.')))
+                else:
+                    try:
+                        zip.read(filename).decode('utf-8') # test read
+                        ok_list.append((filename, slug, title))
+                    except UnicodeDecodeError:
+                        error_list.append((filename, title, _('File should be UTF-8 encoded.')))
+                    slugs[slug] = filename
+
+            if not error_list:
+                for filename, slug, title in ok_list:
+                    Book.create(creator=creator,
+                        slug=slug,
+                        title=title,
+                        text=zip.read(filename).decode('utf-8'),
+                    )
+
+            return direct_to_template(request, "wiki/document_upload.html", extra_context={
+                "form": form,
+                "ok_list": ok_list,
+                "skipped_list": skipped_list,
+                "error_list": error_list,
+            })
+    else:
+        form = forms.DocumentsUploadForm()
+
+    return direct_to_template(request, "wiki/document_upload.html", extra_context={
+        "form": form,
+    })
+
+
+@never_cache
+@decorator_from_middleware(GZipMiddleware)
+def text(request, slug, chunk=None):
+    try:
+        doc = Chunk.get(slug, chunk)
+    except (Chunk.MultipleObjectsReturned, Chunk.DoesNotExist):
         raise Http404
         raise Http404
-    
-#    access_time = datetime.ctime();
-#    last_documents = request.session.get("wiki_last_docs", [])
-#        
-#    if name not in last_documents:
-#        last_documents.insert(0, (name, access_time))        
 
     if request.method == 'POST':
 
     if request.method == 'POST':
-        
-        form = DocumentForm(request.POST, instance = document)
+        form = forms.DocumentTextSaveForm(request.POST, prefix="textsave")
         if form.is_valid():
         if form.is_valid():
-            document = form.save()
-            return HttpResponse(json.dumps({'text': document.plain_text, 'meta': document.meta(), 'revision': document.revision()}))
+            if request.user.is_authenticated():
+                author = request.user
+            else:
+                author = None
+            text = form.cleaned_data['text']
+            parent_revision = form.cleaned_data['parent_revision']
+            parent = doc.at_revision(parent_revision)
+            stage = form.cleaned_data['stage_completed']
+            tags = [stage] if stage else []
+            doc.commit(author=author,
+                       text=text,
+                       parent=parent,
+                       description=form.cleaned_data['comment'],
+                       tags=tags,
+                       )
+            revision = doc.revision()
+            return JSONResponse({
+                'text': doc.materialize() if parent_revision != revision else None,
+                'meta': {},
+                'revision': revision,
+            })
         else:
         else:
-            return HttpResponse(json.dumps({'errors': form.errors}))
+            return JSONFormInvalid(form)
     else:
     else:
-        form = DocumentForm(instance = document)
+        revision = request.GET.get("revision", None)
+        
+        try:
+            revision = int(revision)
+        except (ValueError, TypeError):
+            revision = None
 
 
-    return direct_to_template(request, template_name, extra_context = {
-        'document': document,
-        'form': form,
-    })
+        return JSONResponse({
+            'text': doc.at_revision(revision).materialize(),
+            'meta': {},
+            'revision': revision if revision else doc.revision(),
+        })
+
+
+@never_cache
+def book_xml(request, slug):
+    xml = get_object_or_404(Book, slug=slug).materialize()
+
+    response = http.HttpResponse(xml, content_type='application/xml', mimetype='application/wl+xml')
+    response['Content-Disposition'] = 'attachment; filename=%s.xml' % slug
+    return response
+
+
+@never_cache
+def book_txt(request, slug):
+    xml = get_object_or_404(Book, slug=slug).materialize()
+    output = StringIO()
+    # errors?
+    librarian.text.transform(StringIO(xml), output)
+    text = output.getvalue()
+    response = http.HttpResponse(text, content_type='text/plain', mimetype='text/plain')
+    response['Content-Disposition'] = 'attachment; filename=%s.txt' % slug
+    return response
+
+
+@never_cache
+def book_html(request, slug):
+    xml = get_object_or_404(Book, slug=slug).materialize()
+    output = StringIO()
+    # errors?
+    librarian.html.transform(StringIO(xml), output, parse_dublincore=False,
+                             flags=['full-page'])
+    html = output.getvalue()
+    response = http.HttpResponse(html, content_type='text/html', mimetype='text/html')
+    return response
+
+
+@never_cache
+@require_POST
+def revert(request, slug, chunk=None):
+    form = forms.DocumentTextRevertForm(request.POST, prefix="textrevert")
+    if form.is_valid():
+        try:
+            doc = Chunk.get(slug, chunk)
+        except (Chunk.MultipleObjectsReturned, Chunk.DoesNotExist):
+            raise Http404
 
 
+        revision = form.cleaned_data['revision']
 
 
-def document_gallery(request, directory):
+        comment = form.cleaned_data['comment']
+        comment += "\n#revert to %s" % revision
+
+        if request.user.is_authenticated():
+            author = request.user
+        else:
+            author = None
+
+        before = doc.revision()
+        logger.info("Reverting %s to %s", slug, revision)
+        doc.at_revision(revision).revert(author=author, description=comment)
+
+        return JSONResponse({
+            'text': doc.materialize() if before != doc.revision() else None,
+            'meta': {},
+            'revision': doc.revision(),
+        })
+    else:
+        return JSONFormInvalid(form)
+
+
+@never_cache
+def gallery(request, directory):
     try:
     try:
-        base_dir = os.path.join(settings.MEDIA_ROOT, settings.FILEBROWSER_DIRECTORY, directory)
-        images = [u'%s%s%s/%s' % (settings.MEDIA_URL, settings.FILEBROWSER_DIRECTORY, directory, f) for f in os.listdir(base_dir) if os.path.splitext(f)[1].lower() in (u'.jpg', u'.jpeg', u'.png')]
+        base_url = ''.join((
+                        smart_unicode(settings.MEDIA_URL),
+                        smart_unicode(settings.FILEBROWSER_DIRECTORY),
+                        smart_unicode(directory)))
+
+        base_dir = os.path.join(
+                    smart_unicode(settings.MEDIA_ROOT),
+                    smart_unicode(settings.FILEBROWSER_DIRECTORY),
+                    smart_unicode(directory))
+
+        def map_to_url(filename):
+            return "%s/%s" % (base_url, smart_unicode(filename))
+
+        def is_image(filename):
+            return os.path.splitext(f)[1].lower() in (u'.jpg', u'.jpeg', u'.png')
+
+        images = [map_to_url(f) for f in map(smart_unicode, os.listdir(base_dir)) if is_image(f)]
         images.sort()
         images.sort()
-        return HttpResponse(json.dumps(images))
-    except (IndexError, OSError), exc:
-        import traceback
-        traceback.print_exc()
+        return JSONResponse(images)
+    except (IndexError, OSError):
+        logger.exception("Unable to fetch gallery")
+        raise http.Http404
+
+
+@never_cache
+def diff(request, slug, chunk=None):
+    revA = int(request.GET.get('from', 0))
+    revB = int(request.GET.get('to', 0))
+
+    if revA > revB:
+        revA, revB = revB, revA
+
+    if revB == 0:
+        revB = None
+
+    try:
+        doc = Chunk.get(slug, chunk)
+    except (Chunk.MultipleObjectsReturned, Chunk.DoesNotExist):
+        raise Http404
+    docA = doc.at_revision(revA).materialize()
+    docB = doc.at_revision(revB).materialize()
+
+    return http.HttpResponse(nice_diff.html_diff_table(docA.splitlines(),
+                                         docB.splitlines(), context=3))
+
+
+@never_cache
+def revision(request, slug, chunk=None):
+    try:
+        doc = Chunk.get(slug, chunk)
+    except (Chunk.MultipleObjectsReturned, Chunk.DoesNotExist):
+        raise Http404
+    return http.HttpResponse(str(doc.revision()))
+
+
+@never_cache
+def history(request, slug, chunk=None):
+    # TODO: pagination
+    try:
+        doc = Chunk.get(slug, chunk)
+    except (Chunk.MultipleObjectsReturned, Chunk.DoesNotExist):
+        raise Http404
+
+    changes = []
+    for change in doc.history().order_by('-created_at'):
+        changes.append({
+                "version": change.revision,
+                "description": change.description,
+                "author": change.author_str(),
+                "date": change.created_at,
+                "publishable": "Publishable\n" if change.publishable else "",
+                "tag": ',\n'.join(unicode(tag) for tag in change.tags.all()),
+            })
+    return JSONResponse(changes)
+
 
 
+def book(request, slug):
+    book = get_object_or_404(Book, slug=slug)
+
+    # TODO: most of this should go somewhere else
+
+    # do we need some automation?
+    first_master = None
+    chunks = []
+    need_fixing = False
+    choose_master = False
+
+    length = len(book)
+    for i, chunk in enumerate(book):
+        chunk_dict = {
+            "chunk": chunk,
+            "fix": [],
+            "grade": ""
+            }
+        graded = xml_tools.GradedText(chunk.materialize())
+        if graded.is_wl():
+            master = graded.master()
+            if first_master is None:
+                first_master = master
+            elif master != first_master:
+                chunk_dict['fix'].append('bad-master')
+
+            if i > 0 and not graded.has_trim_begin():
+                chunk_dict['fix'].append('trim-begin')
+            if i < length - 1 and not graded.has_trim_end():
+                chunk_dict['fix'].append('trim-end')
+
+            if chunk_dict['fix']:
+                chunk_dict['grade'] = 'wl-fix'
+            else:
+                chunk_dict['grade'] = 'wl'
+
+        elif graded.is_broken_wl():
+            chunk_dict['grade'] = 'wl-broken'
+        elif graded.is_xml():
+            chunk_dict['grade'] = 'xml'
+        else:
+            chunk_dict['grade'] = 'plain'
+            chunk_dict['fix'].append('wl')
+            choose_master = True
+
+        if chunk_dict['fix']:
+            need_fixing = True
+        chunks.append(chunk_dict)
+
+    if first_master or not need_fixing:
+        choose_master = False
+
+    if request.method == "POST":
+        form = forms.ChooseMasterForm(request.POST)
+        if not choose_master or form.is_valid():
+            if choose_master:
+                first_master = form.cleaned_data['master']
+
+            # do the actual fixing
+            for c in chunks:
+                if not c['fix']:
+                    continue
+
+                text = c['chunk'].materialize()
+                for fix in c['fix']:
+                    if fix == 'bad-master':
+                        text = xml_tools.change_master(text, first_master)
+                    elif fix == 'trim-begin':
+                        text = xml_tools.add_trim_begin(text)
+                    elif fix == 'trim-end':
+                        text = xml_tools.add_trim_end(text)
+                    elif fix == 'wl':
+                        text = xml_tools.basic_structure(text, first_master)
+                author = request.user if request.user.is_authenticated() else None
+                description = "auto-fix: " + ", ".join(c['fix'])
+                c['chunk'].commit(text=text, author=author, 
+                    description=description)
+
+            return http.HttpResponseRedirect(book.get_absolute_url())
+    elif choose_master:
+        form = forms.ChooseMasterForm()
+    else:
+        form = None
+
+    return direct_to_template(request, "wiki/book_detail.html", extra_context={
+        "book": book,
+        "chunks": chunks,
+        "need_fixing": need_fixing,
+        "choose_master": choose_master,
+        "first_master": first_master,
+        "form": form,
+    })
+
+
+def chunk_add(request, slug, chunk):
+    try:
+        doc = Chunk.get(slug, chunk)
+    except (Chunk.MultipleObjectsReturned, Chunk.DoesNotExist):
         raise Http404
         raise Http404
-    
-def document_diff(request, name, revA, revB):
-    differ = difflib.HtmlDiff(wrapcolumn=60)
-     
-    docA = storage.get(name, int(revA))
-    docB = storage.get(name, int(revB))
-     
-    return HttpResponse(differ.make_table(
-                                docA.plain_text.splitlines(),
-                                docB.plain_text.splitlines() ) )                                           
-    
-    
-def document_history(reuqest, name):
-    return HttpResponse( json.dumps(storage.history(name), cls=DateTimeEncoder), mimetype='application/json')
+
+    if request.method == "POST":
+        form = forms.ChunkAddForm(request.POST, instance=doc)
+        if form.is_valid():
+            if request.user.is_authenticated():
+                creator = request.user
+            else:
+                creator = None
+            doc.split(creator=creator,
+                slug=form.cleaned_data['slug'],
+                comment=form.cleaned_data['comment'],
+            )
+
+            return http.HttpResponseRedirect(doc.book.get_absolute_url())
+    else:
+        form = forms.ChunkAddForm(initial={
+                "slug": str(doc.number + 1),
+                "comment": "cz. %d" % (doc.number + 1, ),
+        })
+
+    return direct_to_template(request, "wiki/chunk_add.html", extra_context={
+        "chunk": doc,
+        "form": form,
+    })
+
+
+def chunk_edit(request, slug, chunk):
+    try:
+        doc = Chunk.get(slug, chunk)
+    except (Chunk.MultipleObjectsReturned, Chunk.DoesNotExist):
+        raise Http404
+    if request.method == "POST":
+        form = forms.ChunkForm(request.POST, instance=doc)
+        if form.is_valid():
+            form.save()
+            return http.HttpResponseRedirect(doc.book.get_absolute_url())
+    else:
+        form = forms.ChunkForm(instance=doc)
+    return direct_to_template(request, "wiki/chunk_edit.html", extra_context={
+        "chunk": doc,
+        "form": form,
+    })
+
+
+def book_append(request, slug):
+    book = get_object_or_404(Book, slug=slug)
+    if request.method == "POST":
+        form = forms.BookAppendForm(request.POST)
+        if form.is_valid():
+            append_to = form.cleaned_data['append_to']
+            append_to.append(book)
+            return http.HttpResponseRedirect(append_to.get_absolute_url())
+    else:
+        form = forms.BookAppendForm()
+    return direct_to_template(request, "wiki/book_append_to.html", extra_context={
+        "book": book,
+        "form": form,
+    })
+
+
+def book_edit(request, slug):
+    book = get_object_or_404(Book, slug=slug)
+    if request.method == "POST":
+        form = forms.BookForm(request.POST, instance=book)
+        if form.is_valid():
+            form.save()
+            return http.HttpResponseRedirect(book.get_absolute_url())
+    else:
+        form = forms.BookForm(instance=book)
+    return direct_to_template(request, "wiki/book_edit.html", extra_context={
+        "book": book,
+        "form": form,
+    })
+
+
+@require_POST
+@ajax_require_permission('wiki.can_change_tags')
+def add_tag(request, slug, chunk=None):
+    form = forms.DocumentTagForm(request.POST, prefix="addtag")
+    if form.is_valid():
+        try:
+            doc = Chunk.get(slug, chunk)
+        except (Chunk.MultipleObjectsReturned, Chunk.DoesNotExist):
+            raise Http404
+
+        tag = form.cleaned_data['tag']
+        revision = form.cleaned_data['revision']
+        doc.at_revision(revision).tags.add(tag)
+        return JSONResponse({"message": _("Tag added")})
+    else:
+        return JSONFormInvalid(form)
+
+
+@require_POST
+@ajax_require_permission('wiki.can_pubmark')
+def pubmark(request, slug, chunk=None):
+    form = forms.DocumentPubmarkForm(request.POST, prefix="pubmark")
+    if form.is_valid():
+        try:
+            doc = Chunk.get(slug, chunk)
+        except (Chunk.MultipleObjectsReturned, Chunk.DoesNotExist):
+            raise Http404
+
+        revision = form.cleaned_data['revision']
+        publishable = form.cleaned_data['publishable']
+        change = doc.at_revision(revision)
+        print publishable, change.publishable
+        if publishable != change.publishable:
+            change.publishable = publishable
+            change.save()
+            return JSONResponse({"message": _("Revision marked")})
+        else:
+            return JSONResponse({"message": _("Nothing changed")})
+    else:
+        return JSONFormInvalid(form)
+
+
+@require_POST
+@login_required
+def publish(request, slug):
+    book = get_object_or_404(Book, slug=slug)
+    try:
+        ret = api_call(request.user, "books", {"book_xml": book.materialize()})
+    except BaseException, e:
+        return http.HttpResponse(e)
+    else:
+        book.last_published = datetime.now()
+        book.save()
+        return http.HttpResponseRedirect(book.get_absolute_url())
+
+
+def themes(request):
+    prefix = request.GET.get('q', '')
+    return http.HttpResponse('\n'.join([str(t) for t in Theme.objects.filter(name__istartswith=prefix)]))