Allow empty value in metadata

[redakcja.git] / apps / wiki / views.py

diff --git a/apps/wiki/views.py b/apps/wiki/views.py
index b78959f..4b825e5 100644 (file)
--- a/apps/wiki/views.py
+++ b/apps/wiki/views.py
@@ -1,221 +1,213 @@
+from datetime import datetime

 import os
 import os

-import functools

 import logging
 import logging

-logger = logging.getLogger("fnp.wiki")

 
 from django.conf import settings
 
 from django.conf import settings

-
-from django.views.generic.simple import direct_to_template
-from django.views.decorators.http import require_POST, require_GET

 from django.core.urlresolvers import reverse
 from django.core.urlresolvers import reverse

-from wiki.helpers import (JSONResponse, JSONFormInvalid, JSONServerError,
-                ajax_require_permission, recursive_groupby)

 from django import http
 from django import http

-
-from wiki.models import getstorage, DocumentNotFound, normalize_name, split_name, join_name, Theme
-from wiki.forms import DocumentTextSaveForm, DocumentTagForm, DocumentCreateForm
-from datetime import datetime
+from django.http import Http404, HttpResponseForbidden
+from django.middleware.gzip import GZipMiddleware
+from django.utils.decorators import decorator_from_middleware

 from django.utils.encoding import smart_unicode
 from django.utils.encoding import smart_unicode

-from django.utils.translation import ugettext_lazy as _
+from django.utils.formats import localize
+from django.utils.translation import ugettext as _
+from django.views.decorators.http import require_POST, require_GET
+from django.views.generic.simple import direct_to_template
+from django.shortcuts import get_object_or_404

 
 

+from catalogue.models import Book, Chunk
+import nice_diff
+from wiki import forms
+from wiki.helpers import (JSONResponse, JSONFormInvalid, JSONServerError,
+                ajax_require_permission)
+from wiki.models import Theme

 
 #
 # Quick hack around caching problems, TODO: use ETags
 #
 from django.views.decorators.cache import never_cache
 
 
 #
 # Quick hack around caching problems, TODO: use ETags
 #
 from django.views.decorators.cache import never_cache
 

-import wlapi
-import nice_diff
-import operator
+logger = logging.getLogger("fnp.wiki")

 
 MAX_LAST_DOCS = 10
 
 
 
 MAX_LAST_DOCS = 10
 
 

-def normalized_name(view):
-
-    @functools.wraps(view)
-    def decorated(request, name, *args):
-        normalized = normalize_name(name)
-        logger.debug('View check %r -> %r', name, normalized)
-
-        if normalized != name:
-            return http.HttpResponseRedirect(
-                        reverse('wiki_' + view.__name__, kwargs={'name': normalized}))
-
-        return view(request, name, *args)
-
-    return decorated
-
-

 @never_cache
 @never_cache

-def document_list(request):
-    return direct_to_template(request, 'wiki/document_list.html', extra_context={
-        'docs': getstorage().all(),
-        'last_docs': sorted(request.session.get("wiki_last_docs", {}).items(),
-                        key=operator.itemgetter(1), reverse=True),
-    })
-
-
-@never_cache
-@normalized_name
-def editor(request, name, template_name='wiki/document_details.html'):
-    storage = getstorage()
-
+def editor(request, slug, chunk=None, template_name='wiki/document_details.html'):

     try:
     try:

-        document = storage.get(name)
-    except DocumentNotFound:
-        return http.HttpResponseRedirect(reverse("wiki_create_missing", args=[name]))
+        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("catalogue_create_missing", args=[slug]))
+        else:
+            raise Http404
+    if not chunk.book.accessible(request):
+        return HttpResponseForbidden("Not authorized.")

 
     access_time = datetime.now()
 
     access_time = datetime.now()

-    last_documents = request.session.get("wiki_last_docs", {})
-    last_documents[name] = access_time
+    last_books = request.session.get("wiki_last_books", {})
+    last_books[slug, chunk.slug] = {
+        'time': access_time,
+        'title': chunk.pretty_name(),
+        }

 
 

-    if len(last_documents) > MAX_LAST_DOCS:
-        oldest_key = min(last_documents, key=last_documents.__getitem__)
-        del last_documents[oldest_key]
-    request.session['wiki_last_docs'] = last_documents
+    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={
 
     return direct_to_template(request, template_name, extra_context={

-        'document': document,
-        'document_name': document.name,
-        'document_info': document.info,
-        'document_meta': document.meta,
+        'chunk': chunk,

         'forms': {
         'forms': {

-            "text_save": DocumentTextSaveForm(prefix="textsave"),
-            "add_tag": DocumentTagForm(prefix="addtag"),
+            "text_save": forms.DocumentTextSaveForm(user=request.user, prefix="textsave"),
+            "text_revert": forms.DocumentTextRevertForm(prefix="textrevert"),
+            "pubmark": forms.DocumentPubmarkForm(prefix="pubmark"),

         },
         },

+        'can_pubmark': request.user.has_perm('catalogue.can_pubmark'),
+        'REDMINE_URL': settings.REDMINE_URL,

     })
 
 
 @require_GET
     })
 
 
 @require_GET

-@normalized_name
-def editor_readonly(request, name, template_name='wiki/document_details_readonly.html'):
-    name = normalize_name(name)
-    storage = getstorage()
-
+def editor_readonly(request, slug, chunk=None, template_name='wiki/document_details_readonly.html'):

     try:
     try:

+        chunk = Chunk.get(slug, chunk)

         revision = request.GET['revision']
         revision = request.GET['revision']

-        document = storage.get(name, revision)
-    except (KeyError, DocumentNotFound):
-        raise http.Http404
+    except (Chunk.MultipleObjectsReturned, Chunk.DoesNotExist, KeyError):
+        raise Http404
+    if not chunk.book.accessible(request):
+        return HttpResponseForbidden("Not authorized.")

 
     access_time = datetime.now()
 
     access_time = datetime.now()

-    last_documents = request.session.get("wiki_last_docs", {})
-    last_documents[name] = access_time
+    last_books = request.session.get("wiki_last_books", {})
+    last_books[slug, chunk.slug] = {
+        'time': access_time,
+        'title': chunk.book.title,
+        }

 
 

-    if len(last_documents) > MAX_LAST_DOCS:
-        oldest_key = min(last_documents, key=last_documents.__getitem__)
-        del last_documents[oldest_key]
-    request.session['wiki_last_docs'] = last_documents
+    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={
 
     return direct_to_template(request, template_name, extra_context={

-        'document': document,
-        'document_name': document.name,
-        'document_info': dict(document.info(), readonly=True),
-        'document_meta': document.meta,
-    })
-
-
-@normalized_name
-def create_missing(request, name):
-    storage = getstorage()
-
-    if request.method == "POST":
-        form = DocumentCreateForm(request.POST, request.FILES)
-        if form.is_valid():
-            doc = storage.create_document(
-                id=form.cleaned_data['id'],
-                text=form.cleaned_data['text'],
-            )
-
-            return http.HttpResponseRedirect(reverse("wiki_details", args=[doc.name]))
-    else:
-        form = DocumentCreateForm(initial={
-                "id": name.replace(" ", "_"),
-                "title": name.title(),
-        })
-
-    return direct_to_template(request, "wiki/document_create_missing.html", extra_context={
-        "document_name": name,
-        "form": form,
+        'chunk': chunk,
+        'revision': revision,
+        'readonly': True,
+        'REDMINE_URL': settings.REDMINE_URL,

     })
 
 
 @never_cache
     })
 
 
 @never_cache

-@normalized_name
-def text(request, name):
-    storage = getstorage()
+@decorator_from_middleware(GZipMiddleware)
+def text(request, chunk_id):
+    doc = get_object_or_404(Chunk, pk=chunk_id)
+    if not doc.book.accessible(request):
+        return HttpResponseForbidden("Not authorized.")

 
     if request.method == 'POST':
 
     if request.method == 'POST':

-        form = DocumentTextSaveForm(request.POST, prefix="textsave")
+        form = forms.DocumentTextSaveForm(request.POST, user=request.user, prefix="textsave")

         if form.is_valid():
         if form.is_valid():

-            revision = form.cleaned_data['parent_revision']
-            document = storage.get_or_404(name, revision)          
-            document.text = form.cleaned_data['text']
-            comment = form.cleaned_data['comment']
-            if form.cleaned_data['stage_completed']:        
-                comment += '\n#stage-finished: %s\n' % form.cleaned_data['stage_completed']         
-            author = "%s <%s>" % (form.cleaned_data['author_name'], form.cleaned_data['author_email'])           
-            storage.put(document, author=author, comment=comment, parent=revision)           
-            document = storage.get(name)          
+            if request.user.is_authenticated():
+                author = request.user
+            else:
+                author = None
+            text = form.cleaned_data['text']
+            parent_revision = form.cleaned_data['parent_revision']
+            if parent_revision is not None:
+                parent = doc.at_revision(parent_revision)
+            else:
+                parent = None
+            stage = form.cleaned_data['stage_completed']
+            tags = [stage] if stage else []
+            publishable = (form.cleaned_data['publishable'] and
+                    request.user.has_perm('catalogue.can_pubmark'))
+            doc.commit(author=author,
+                       text=text,
+                       parent=parent,
+                       description=form.cleaned_data['comment'],
+                       tags=tags,
+                       author_name=form.cleaned_data['author_name'],
+                       author_email=form.cleaned_data['author_email'],
+                       publishable=publishable,
+                       )
+            revision = doc.revision()

             return JSONResponse({
             return JSONResponse({

-                'text': document.plain_text if revision != document.revision else None,
-                'meta': document.meta(),
-                'revision': document.revision,
+                'text': doc.materialize() if parent_revision != revision else None,
+                'meta': {},
+                'revision': revision,

             })
         else:
             return JSONFormInvalid(form)
     else:
         revision = request.GET.get("revision", None)
             })
         else:
             return JSONFormInvalid(form)
     else:
         revision = request.GET.get("revision", None)

-
+        

         try:
         try:

-            try:
-                revision = revision and int(revision)
-                logger.info("Fetching %s", revision)
-                document = storage.get(name, revision)
-            except ValueError:
-                # treat as a tag
-                logger.info("Fetching tag %s", revision)
-                document = storage.get_by_tag(name, revision)
-        except DocumentNotFound:
-            raise http.Http404
+            revision = int(revision)
+        except (ValueError, TypeError):
+            revision = doc.revision()
+
+        if revision is not None:
+            text = doc.at_revision(revision).materialize()
+        else:
+            text = ''

 
         return JSONResponse({
 
         return JSONResponse({

-            'text': document.plain_text,
-            'meta': document.meta(),
-            'revision': document.revision,
+            'text': text,
+            'meta': {},
+            'revision': revision,

         })
 
 
 @never_cache
         })
 
 
 @never_cache

-@normalized_name

 @require_POST
 @require_POST

-def revert(request, name):
-    storage = getstorage()
-    revision = request.POST['target_revision']
+def revert(request, chunk_id):
+    form = forms.DocumentTextRevertForm(request.POST, prefix="textrevert")
+    if form.is_valid():
+        doc = get_object_or_404(Chunk, pk=chunk_id)
+        if not doc.book.accessible(request):
+            return HttpResponseForbidden("Not authorized.")

 
 

-    try:
-        document = storage.revert(name, revision)
+        revision = form.cleaned_data['revision']
+
+        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", chunk_id, revision)
+        doc.at_revision(revision).revert(author=author, description=comment)

 
         return JSONResponse({
 
         return JSONResponse({

-            'text': document.plain_text if revision != document.revision else None,
-            'meta': document.meta(),
-            'revision': document.revision,
+            'text': doc.materialize() if before != doc.revision() else None,
+            'meta': {},
+            'revision': doc.revision(),

         })
         })

-    except DocumentNotFound:
-        raise http.Http404
+    else:
+        return JSONFormInvalid(form)
+

 
 @never_cache
 def gallery(request, directory):
     try:
         base_url = ''.join((
                         smart_unicode(settings.MEDIA_URL),
 
 @never_cache
 def gallery(request, directory):
     try:
         base_url = ''.join((
                         smart_unicode(settings.MEDIA_URL),

-                        smart_unicode(settings.FILEBROWSER_DIRECTORY),
+                        smart_unicode(settings.IMAGE_DIR),

                         smart_unicode(directory)))
 
         base_dir = os.path.join(
                     smart_unicode(settings.MEDIA_ROOT),
                         smart_unicode(directory)))
 
         base_dir = os.path.join(
                     smart_unicode(settings.MEDIA_ROOT),

-                    smart_unicode(settings.FILEBROWSER_DIRECTORY),
+                    smart_unicode(settings.IMAGE_DIR),

                     smart_unicode(directory))
 
         def map_to_url(filename):
                     smart_unicode(directory))
 
         def map_to_url(filename):


@@ -226,6 +218,10 @@ def gallery(request, directory):
 
         images = [map_to_url(f) for f in map(smart_unicode, os.listdir(base_dir)) if is_image(f)]
         images.sort()
 
         images = [map_to_url(f) for f in map(smart_unicode, os.listdir(base_dir)) if is_image(f)]
         images.sort()

+
+        if not request.user.is_authenticated():
+            return HttpResponseForbidden("Not authorized.")
+

         return JSONResponse(images)
     except (IndexError, OSError):
         logger.exception("Unable to fetch gallery")
         return JSONResponse(images)
     except (IndexError, OSError):
         logger.exception("Unable to fetch gallery")


@@ -233,10 +229,7 @@ def gallery(request, directory):
 
 
 @never_cache
 
 
 @never_cache

-@normalized_name
-def diff(request, name):
-    storage = getstorage()
-
+def diff(request, chunk_id):

     revA = int(request.GET.get('from', 0))
     revB = int(request.GET.get('to', 0))
 
     revA = int(request.GET.get('from', 0))
     revB = int(request.GET.get('to', 0))
 


@@ -246,57 +239,70 @@ def diff(request, name):
     if revB == 0:
         revB = None
 
     if revB == 0:
         revB = None
 

-    docA = storage.get_or_404(name, int(revA))
-    docB = storage.get_or_404(name, int(revB))
+    doc = get_object_or_404(Chunk, pk=chunk_id)
+    if not doc.book.accessible(request):
+        return HttpResponseForbidden("Not authorized.")

 
 

-    return http.HttpResponse(nice_diff.html_diff_table(docA.plain_text.splitlines(),
-                                         docB.plain_text.splitlines(), context=3))
+    # allow diff from the beginning
+    if revA:
+        docA = doc.at_revision(revA).materialize()
+    else:
+        docA = ""
+    docB = doc.at_revision(revB).materialize()
+
+    return http.HttpResponse(nice_diff.html_diff_table(docA.splitlines(),
+                                         docB.splitlines(), context=3))

 
 
 @never_cache
 
 
 @never_cache

-@normalized_name
-def history(request, name):
-    storage = getstorage()
+def revision(request, chunk_id):
+    doc = get_object_or_404(Chunk, pk=chunk_id)
+    if not doc.book.accessible(request):
+        return HttpResponseForbidden("Not authorized.")
+    return http.HttpResponse(str(doc.revision()))

 
 

-    # TODO: pagination
-    changesets = list(storage.history(name))

 
 

-    return JSONResponse(changesets)
+@never_cache
+def history(request, chunk_id):
+    # TODO: pagination
+    doc = get_object_or_404(Chunk, pk=chunk_id)
+    if not doc.book.accessible(request):
+        return HttpResponseForbidden("Not authorized.")
+
+    changes = []
+    for change in doc.history().reverse():
+        changes.append({
+                "version": change.revision,
+                "description": change.description,
+                "author": change.author_str(),
+                "date": localize(change.created_at),
+                "publishable": _("Publishable") + "\n" if change.publishable else "",
+                "tag": ',\n'.join(unicode(tag) for tag in change.tags.all()),
+            })
+    return JSONResponse(changes)

 
 
 @require_POST
 
 
 @require_POST

-@ajax_require_permission('wiki.can_change_tags')
-def add_tag(request, name):
-    name = normalize_name(name)
-    storage = getstorage()
-
-    form = DocumentTagForm(request.POST, prefix="addtag")
+@ajax_require_permission('catalogue.can_pubmark')
+def pubmark(request, chunk_id):
+    form = forms.DocumentPubmarkForm(request.POST, prefix="pubmark")

     if form.is_valid():
     if form.is_valid():

-        doc = storage.get_or_404(form.cleaned_data['id'])
-        doc.add_tag(tag=form.cleaned_data['tag'],
-                    revision=form.cleaned_data['revision'],
-                    author=request.user.username)
-        return JSONResponse({"message": _("Tag added")})
+        doc = get_object_or_404(Chunk, pk=chunk_id)
+        if not doc.book.accessible(request):
+            return HttpResponseForbidden("Not authorized.")
+
+        revision = form.cleaned_data['revision']
+        publishable = form.cleaned_data['publishable']
+        change = doc.at_revision(revision)
+        if publishable != change.publishable:
+            change.set_publishable(publishable)
+            return JSONResponse({"message": _("Revision marked")})
+        else:
+            return JSONResponse({"message": _("Nothing changed")})

     else:
         return JSONFormInvalid(form)
 
 
     else:
         return JSONFormInvalid(form)
 
 

-@require_POST
-@ajax_require_permission('wiki.can_publish')
-def publish(request, name):
-    name = normalize_name(name)
-
-    storage = getstorage()
-    document = storage.get_by_tag(name, "ready_to_publish")
-
-    api = wlapi.WLAPI(**settings.WL_API_CONFIG)
-
-    try:
-        return JSONResponse({"result": api.publish_book(document)})
-    except wlapi.APICallException, e:
-        return JSONServerError({"message": str(e)})
-
-

 def themes(request):
     prefix = request.GET.get('q', '')
     return http.HttpResponse('\n'.join([str(t) for t in Theme.objects.filter(name__istartswith=prefix)]))
 def themes(request):
     prefix = request.GET.get('q', '')
     return http.HttpResponse('\n'.join([str(t) for t in Theme.objects.filter(name__istartswith=prefix)]))