X-Git-Url: https://git.mdrn.pl/redakcja.git/blobdiff_plain/084544e4f7c9269b1445a9e5109fa641a3e1aaac..9c42ef76e42e997b52c8b02eae058e345d103d80:/apps/wiki/views.py diff --git a/apps/wiki/views.py b/apps/wiki/views.py index 339bde8c..b3035422 100644 --- a/apps/wiki/views.py +++ b/apps/wiki/views.py @@ -1,31 +1,453 @@ +import os +from StringIO import StringIO +import logging +logger = logging.getLogger("fnp.wiki") + +from lxml import etree + +from django.conf import settings + from django.views.generic.simple import direct_to_template -from django.http import HttpResponseRedirect +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 django.http import Http404 + +from wiki.models import Book, Chunk, 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.middleware.gzip import GZipMiddleware + +import librarian.html +import librarian.text + +# +# Quick hack around caching problems, TODO: use ETags +# +from django.views.decorators.cache import never_cache + +import nice_diff +import operator -from wiki.models import storage, Document, DocumentNotFound -from wiki.forms import DocumentForm +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, 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 -def document_list(request, template_name='wiki/document_list.html'): return direct_to_template(request, template_name, extra_context={ - 'document_list': storage.all(), + 'chunk': chunk, + 'forms': { + "text_save": DocumentTextSaveForm(prefix="textsave"), + "text_revert": DocumentTextRevertForm(prefix="textrevert"), + "add_tag": DocumentTagForm(prefix="addtag"), + }, + 'REDMINE_URL': settings.REDMINE_URL, }) -def document_detail(request, name, template_name='wiki/document_details.html'): +@require_GET +def editor_readonly(request, slug, chunk=None, template_name='wiki/document_details_readonly.html'): try: - document = storage.get(name) - except DocumentNotFound: - document = Document(storage, name=name, text='') - + 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, + }) + + +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, chunk=None): + try: + doc = Chunk.get(slug, chunk) + except (Chunk.MultipleObjectsReturned, Chunk.DoesNotExist): + raise Http404 + if request.method == 'POST': - form = DocumentForm(request.POST, instance=document) + form = DocumentTextSaveForm(request.POST, prefix="textsave") if form.is_valid(): - form.save() - return HttpResponseRedirect('/') + # 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) + doc.commit(author=author, + text=text, + parent=parent, + description=form.cleaned_data['comment'], + ) + revision = doc.revision() + return JSONResponse({ + 'text': doc.materialize() if parent_revision != revision else None, + 'meta': {}, + 'revision': revision, + }) + else: + return JSONFormInvalid(form) else: - form = DocumentForm(instance=document) + revision = request.GET.get("revision", None) + + try: + revision = int(revision) + except (ValueError, TypeError): + revision = None + + 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() - return direct_to_template(request, template_name, extra_context={ - 'document': document, - 'form': form, + 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 = 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'] + + 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: + 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() + 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'): + if change.author: + author = "%s %s <%s>" % ( + change.author.first_name, + change.author.last_name, + change.author.email) + else: + author = None + changes.append({ + "version": change.revision, + "description": change.description, + "author": author, + "date": change.created_at, + "tag": [], + }) + return JSONResponse(changes) + + +def book(request, slug): + book = get_object_or_404(Book, slug=slug) + + return direct_to_template(request, "wiki/book_detail.html", extra_context={ + "book": book, }) + + + +""" +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") + 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")}) + 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)]))