Move gallery merging logic to a helper class, to keep views as clean as possible.
[redakcja.git] / apps / wiki / views.py
index 6f09ddd..0356d50 100644 (file)
+from datetime import datetime
 import os
 import logging
-logger = logging.getLogger("fnp.wiki")
 
 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 wiki.helpers import (JSONResponse, JSONFormInvalid, JSONServerError,
-                ajax_require_permission, recursive_groupby)
 from django import http
-from django.shortcuts import get_object_or_404, redirect
-
-from wiki.models import Book, Theme
-from wiki.forms import DocumentTextSaveForm, DocumentTextRevertForm, DocumentTagForm, DocumentCreateForm, DocumentsUploadForm
-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.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.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
 
-import nice_diff
-import operator
+logger = logging.getLogger("fnp.wiki")
 
 MAX_LAST_DOCS = 10
 
 
 @never_cache
-def document_list(request):
-    return direct_to_template(request, 'wiki/document_list.html', extra_context={
-        'books': Book.objects.all(),
-        'last_books': sorted(request.session.get("wiki_last_books", {}).items(),
-                        key=lambda x: x[1]['time'], reverse=True),
-    })
-
-
-@never_cache
-def editor(request, slug, template_name='wiki/document_details.html'):
+def editor(request, slug, chunk=None, template_name='wiki/document_details.html'):
     try:
-        book = Book.objects.get(slug=slug)
-    except Book.DoesNotExist:
-        return http.HttpResponseRedirect(reverse("wiki_create_missing", args=[slug]))
+        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()
     last_books = request.session.get("wiki_last_books", {})
-    last_books[slug] = {
+    last_books[slug, chunk.slug] = {
         'time': access_time,
-        'title': book.title,
+        'title': chunk.pretty_name(),
         }
 
     if len(last_books) > MAX_LAST_DOCS:
-        oldest_key = min(last_books, key=operator.itemgetter('time'))
+        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={
-        'book': book,
+        'chunk': chunk,
         'forms': {
-            "text_save": DocumentTextSaveForm(prefix="textsave"),
-            "text_revert": DocumentTextRevertForm(prefix="textrevert"),
-            "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
-def editor_readonly(request, slug, template_name='wiki/document_details_readonly.html'):
+def editor_readonly(request, slug, chunk=None, template_name='wiki/document_details_readonly.html'):
     try:
-        book = Book.objects.get(slug=slug)
+        chunk = Chunk.get(slug, chunk)
         revision = request.GET['revision']
-    except KeyError:
-        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()
     last_books = request.session.get("wiki_last_books", {})
-    last_books[slug] = {
+    last_books[slug, chunk.slug] = {
         'time': access_time,
-        'title': book.title,
+        'title': chunk.book.title,
         }
 
     if len(last_books) > MAX_LAST_DOCS:
-        oldest_key = min(last_books, key=operator.itemgetter('time'))
+        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={
-        'book': book,
+        'chunk': chunk,
         'revision': revision,
         'readonly': True,
         'REDMINE_URL': settings.REDMINE_URL,
     })
 
 
-def create_missing(request, slug):
-    slug = slug.replace(' ', '-')
-
-    if request.method == "POST":
-        form = 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 = DocumentCreateForm(initial={
-                "slug": slug,
-                "title": slug.replace('-', ' ').title(),
-        })
-
-    return direct_to_template(request, "wiki/document_create_missing.html", extra_context={
-        "slug": slug,
-        "form": form,
-    })
-
-
-def upload(request):
-    if request.method == "POST":
-        form = 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 = DocumentsUploadForm()
-
-    return direct_to_template(request, "wiki/document_upload.html", extra_context={
-        "form": form,
-    })
-
-
 @never_cache
 @decorator_from_middleware(GZipMiddleware)
-def text(request, slug):
-    doc = get_object_or_404(Book, slug=slug).doc
+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':
-        form = DocumentTextSaveForm(request.POST, prefix="textsave")
+        form = forms.DocumentTextSaveForm(request.POST, user=request.user, prefix="textsave")
         if form.is_valid():
-            # TODO:
-            # - stage completion should be stored (as a relation)
-
             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)
+            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({
@@ -223,22 +150,30 @@ def text(request, slug):
         
         try:
             revision = int(revision)
-        except ValueError:
-            revision = None
+        except (ValueError, TypeError):
+            revision = doc.revision()
+
+        if revision is not None:
+            text = doc.at_revision(revision).materialize()
+        else:
+            text = ''
 
         return JSONResponse({
-            'text': doc.at_revision(revision).materialize(),
+            'text': text,
             'meta': {},
-            'revision': revision if revision else doc.revision(),
+            'revision': revision,
         })
 
 
 @never_cache
 @require_POST
-def revert(request, slug):
-    form = DocumentTextRevertForm(request.POST, prefix="textrevert")
+def revert(request, chunk_id):
+    form = forms.DocumentTextRevertForm(request.POST, prefix="textrevert")
     if form.is_valid():
-        doc = get_object_or_404(Book, slug=slug).doc
+        doc = get_object_or_404(Chunk, pk=chunk_id)
+        if not doc.book.accessible(request):
+            return HttpResponseForbidden("Not authorized.")
+
         revision = form.cleaned_data['revision']
 
         comment = form.cleaned_data['comment']
@@ -250,7 +185,7 @@ def revert(request, slug):
             author = None
 
         before = doc.revision()
-        logger.info("Reverting %s to %s", slug, revision)
+        logger.info("Reverting %s to %s", chunk_id, revision)
         doc.at_revision(revision).revert(author=author, description=comment)
 
         return JSONResponse({
@@ -283,6 +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()
+
+        if not request.user.is_authenticated():
+            return HttpResponseForbidden("Not authorized.")
+
         return JSONResponse(images)
     except (IndexError, OSError):
         logger.exception("Unable to fetch gallery")
@@ -290,7 +229,7 @@ def gallery(request, directory):
 
 
 @never_cache
-def diff(request, slug):
+def diff(request, chunk_id):
     revA = int(request.GET.get('from', 0))
     revB = int(request.GET.get('to', 0))
 
@@ -300,8 +239,15 @@ def diff(request, slug):
     if revB == 0:
         revB = None
 
-    doc = get_object_or_404(Book, slug=slug).doc
-    docA = doc.at_revision(revA).materialize()
+    doc = get_object_or_404(Chunk, pk=chunk_id)
+    if not doc.book.accessible(request):
+        return HttpResponseForbidden("Not authorized.")
+
+    # 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(),
@@ -309,74 +255,54 @@ def diff(request, slug):
 
 
 @never_cache
-def revision(request, slug):
-    book = get_object_or_404(Book, slug=slug)
-    return http.HttpResponse(str(book.doc.revision()))
+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()))
 
 
 @never_cache
-def history(request, slug):
+def history(request, chunk_id):
     # TODO: pagination
-    book = get_object_or_404(Book, slug=slug)
-    rev = book.doc.revision()
+    doc = get_object_or_404(Chunk, pk=chunk_id)
+    if not doc.book.accessible(request):
+        return HttpResponseForbidden("Not authorized.")
+
     changes = []
-    for change in book.doc.history().order_by('-created_at'):
-        if change.author:
-            author = "%s %s <%s>" % (
-                change.author.first_name,
-                change.author.last_name, 
-                change.author.email)
-        else:
-            author = None
+    for change in doc.history().reverse():
         changes.append({
-                "version": rev,
+                "version": change.revision,
                 "description": change.description,
-                "author": author,
-                "date": change.created_at,
-                "tag": [],
+                "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()),
             })
-        rev -= 1
     return JSONResponse(changes)
 
 
-
-"""
-import wlapi
-
-
 @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():
-        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)
 
 
-@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)]))