-from librarian import html
+# -*- coding: utf-8 -*-
+import urllib2
import hg
+from librarian import html, parser, dcparser, ParseError, ValidationError
-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, permission_required
+
+from django.core.urlresolvers import reverse
+from django.http import HttpResponseRedirect, HttpResponse
+from django.utils import simplejson as json
+from django.views.generic.simple import direct_to_template
+
+from explorer import forms, models
+from toolbar import models as toolbar_models
-from explorer import forms
+#
+# Some useful decorators
+def file_branch(path, user=None):
+ return ('personal_'+user.username + '_' if user is not None else '') \
+ + 'file_' + path
-repo = hg.Repository(settings.REPOSITORY_PATH)
+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', 'errors': ['Brak dostępu.']}) );
+ return view_with_auth
+
+#
+# View all files
+#
+@with_repo
+def file_list(request, repo):
+ #
+ latest_default = repo.get_branch_tip('default')
+ files = list( repo.repo[latest_default] )
+ bookform = forms.BookUploadForm()
-def file_list(request):
return direct_to_template(request, 'explorer/file_list.html', extra_context={
- 'objects': repo.all_files(),
+ 'files': files, 'bookform': bookform,
})
+@permission_required('explorer.can_add_files')
+@with_repo
+def file_upload(request, repo):
+ other_errors = []
+ if request.method == 'POST':
+ form = forms.BookUploadForm(request.POST, request.FILES)
+ if form.is_valid():
+ try:
+ # prepare the data
+ f = request.FILES['file']
+ decoded = f.read().decode('utf-8')
+ path = form.cleaned_data['bookname']
+
+ def upload_action():
+ repo._add_file(path ,decoded.encode('utf-8') )
+ repo._commit(message="File %s uploaded by user %s" % \
+ (path, request.user.username), user=request.user.username)
+
+ repo.in_branch(upload_action, 'default')
-def file_xml(request, path):
+ # if everything is ok, redirect to the editor
+ return HttpResponseRedirect( reverse('editor_view',
+ kwargs={'path': path}) )
+
+ except hg.RepositoryException, e:
+ other_errors.append(u'Błąd repozytorium: ' + unicode(e) )
+ #except UnicodeDecodeError, e:
+ # other_errors.append(u'Niepoprawne kodowanie pliku: ' + e.reason \
+ # + u'. Żądane kodowanie: ' + e.encoding)
+ # invalid form
+
+ # get
+ form = forms.BookUploadForm()
+ return direct_to_template(request, 'explorer/file_upload.html',\
+ extra_context = {'form' : form, 'other_errors': other_errors})
+
+#
+# Edit the file
+#
+
+@ajax_login_required
+@with_repo
+def file_xml(request, repo, path):
if request.method == 'POST':
+ errors = None
+ warnings = None
form = forms.BookForm(request.POST)
if form.is_valid():
- repo.add_file(path, form.cleaned_data['text'])
- repo.commit()
- return HttpResponseRedirect('/')
- else:
- form = forms.BookForm()
- form.fields['text'].initial = repo.get_file(path).data()
+ print 'Saving whole text.', request.user.username
+ try:
+ # encode it back to UTF-8, so we can put it into repo
+ encoded_data = form.cleaned_data['content'].encode('utf-8')
+
+ def save_action():
+ repo._add_file(path, encoded_data)
+ repo._commit(message=(form.cleaned_data['commit_message'] or 'Lokalny zapis platformy.'),\
+ user=request.user.username)
+
+ try:
+ # wczytaj dokument z ciągu znaków -> weryfikacja
+ document = parser.WLDocument.from_string(form.cleaned_data['content'])
+ except (ParseError, ValidationError), e:
+ warnings = [u'Niepoprawny dokument XML: ' + unicode(e.message)]
+
+ # save to user's branch
+ repo.in_branch(save_action, file_branch(path, request.user) );
+ except UnicodeDecodeError, e:
+ errors = [u'Błąd kodowania danych przed zapisem: ' + unicode(e.message)]
+ except hg.RepositoryException, e:
+ errors = [u'Błąd repozytorium: ' + unicode(e.message)]
+
+ if not errors:
+ errors = dict( (field[0], field[1].as_text()) for field in form.errors.iteritems() )
+
+ return HttpResponse( json.dumps({'result': errors and 'error' or 'ok',
+ 'errors': errors, 'warnings': warnings}) );
+
+ form = forms.BookForm()
+ data = repo.get_file(path, file_branch(path, request.user))
+ form.fields['content'].initial = data
+ return HttpResponse( json.dumps({'result': 'ok', 'content': data}) )
+
+@ajax_login_required
+@with_repo
+def file_update_local(request, path, repo):
+ result = None
+ errors = None
+
+ wlock = repo.write_lock()
+ try:
+ tipA = repo.get_branch_tip('default')
+ tipB = repo.get_branch_tip( file_branch(path, request.user) )
+
+ nodeA = repo.getnode(tipA)
+ nodeB = repo.getnode(tipB)
+
+ # do some wild checks - see file_commit() for more info
+ if (repo.common_ancestor(tipA, tipB) == nodeA) \
+ or (nodeB in nodeA.parents()):
+ result = 'nothing-to-do'
+ else:
+ # Case 2+
+ repo.merge_revisions(tipB, tipA, \
+ request.user.username, 'Personal branch update.')
+ result = 'done'
+ except hg.UncleanMerge, e:
+ errors = [e.message]
+ result = 'fatal-error'
+ except hg.RepositoryException, e:
+ errors = [e.message]
+ result = 'fatal-error'
+ finally:
+ wlock.release()
+
+ if result is None:
+ raise Exception("Ouch, this shouldn't happen!")
+
+ return HttpResponse( json.dumps({'result': result, 'errors': errors}) );
+
+@ajax_login_required
+@with_repo
+def file_commit(request, path, repo):
+ result = None
+ errors = None
+ local_modified = False
+ if request.method == 'POST':
+ form = forms.MergeForm(request.POST)
+
+ if form.is_valid():
+ wlock = repo.write_lock()
+ try:
+ tipA = repo.get_branch_tip('default')
+ tipB = repo.get_branch_tip( file_branch(path, request.user) )
+
+ nodeA = repo.getnode(tipA)
+ nodeB = repo.getnode(tipB)
+
+ print repr(nodeA), repr(nodeB), repo.common_ancestor(tipA, tipB), repo.common_ancestor(tipB, tipA)
+
+ if repo.common_ancestor(tipB, tipA) == nodeA:
+ # Case 1:
+ # * tipB
+ # |
+ # * <- can also be here!
+ # /|
+ # / |
+ # tipA * *
+ # | |
+ # The local branch has been recently updated,
+ # so we don't need to update yet again, but we need to
+ # merge down to default branch, even if there was
+ # no commit's since last update
+ repo.merge_revisions(tipA, tipB, \
+ request.user.username, form.cleaned_data['message'])
+ result = 'done'
+ elif any( p.branch()==nodeB.branch() for p in nodeA.parents()):
+ # Case 2:
+ #
+ # tipA * * tipB
+ # |\ |
+ # | \|
+ # | *
+ # | |
+ # Default has no changes, to update from this branch
+ # since the last merge of local to default.
+ if nodeB not in nodeA.parents():
+ repo.merge_revisions(tipA, tipB, \
+ request.user.username, form.cleaned_data['message'])
+ result = 'done'
+ else:
+ result = 'nothing-to-do'
+ elif repo.common_ancestor(tipA, tipB) == nodeB:
+ # Case 3:
+ # tipA *
+ # |
+ # * <- this case overlaps with previos one
+ # |\
+ # | \
+ # | * tipB
+ # | |
+ #
+ # There was a recent merge to the defaul branch and
+ # no changes to local branch recently.
+ #
+ # Use the fact, that user is prepared to see changes, to
+ # update his branch if there are any
+ if nodeB not in nodeA.parents():
+ repo.merge_revisions(tipB, tipA, \
+ request.user.username, 'Personal branch update during merge.')
+ local_modified = True
+ result = 'done'
+ else:
+ result = 'nothing-to-do'
+ else:
+ # both branches have changes made to them, so
+ # first do an update
+ repo.merge_revisions(tipB, tipA, \
+ request.user.username, 'Personal branch update during merge.')
+
+ local_modified = True
+
+ # fetch the new tip
+ tipB = repo.get_branch_tip( file_branch(path, request.user) )
+
+ # and merge back to the default
+ repo.merge_revisions(tipA, tipB, \
+ request.user.username, form.cleaned_data['message'])
+ result = 'done'
+ except hg.UncleanMerge, e:
+ errors = [e.message]
+ result = 'fatal-error'
+ except hg.RepositoryException, e:
+ errors = [e.message]
+ result = 'fatal-error'
+ finally:
+ wlock.release()
+
+ if result is None:
+ errors = [ form.errors['message'].as_text() ]
+ if len(errors) > 0:
+ result = 'fatal-error'
+
+ return HttpResponse( json.dumps({'result': result, 'errors': errors, 'localmodified': local_modified}) );
+
+ return HttpResponse( json.dumps({'result': 'fatal-error', 'errors': ['No data posted']}) )
+
+
+@ajax_login_required
+@with_repo
+def file_dc(request, path, repo):
+ errors = None
+
+ if request.method == 'POST':
+ form = forms.DublinCoreForm(request.POST)
+
+ if form.is_valid():
+
+ def save_action():
+ file_contents = repo._get_file(path)
+
+ # wczytaj dokument z repozytorium
+ document = parser.WLDocument.from_string(file_contents)
+ document.book_info.update(form.cleaned_data)
+
+ # zapisz
+ repo._write_file(path, document.serialize().encode('utf-8'))
+ repo._commit( \
+ message=(form.cleaned_data['commit_message'] or 'Lokalny zapis platformy.'), \
+ user=request.user.username )
+
+ try:
+ repo.in_branch(save_action, file_branch(path, request.user) )
+ except UnicodeEncodeError, e:
+ errors = ['Bład wewnętrzny: nie można zakodować pliku do utf-8']
+ except (ParseError, ValidationError), e:
+ errors = [e.message]
+
+ if errors is None:
+ errors = ["Pole '%s': %s\n" % (field[0], field[1].as_text()) for field in form.errors.iteritems()]
+
+ return HttpResponse( json.dumps({'result': errors and 'error' or 'ok', 'errors': errors}) );
+
+ # this is unused currently, but may come in handy
+ content = []
- return direct_to_template(request, 'explorer/file_xml.html', extra_context={
- 'hash': path,
- 'form': form,
+ try:
+ fulltext = repo.get_file(path, file_branch(path, request.user))
+ bookinfo = dcparser.BookInfo.from_string(fulltext)
+ content = bookinfo.to_dict()
+ except (ParseError, ValidationError), e:
+ errors = [e.message]
+
+ return HttpResponse( json.dumps({'result': errors and 'error' or 'ok',
+ 'errors': errors, 'content': content }) )
+
+# Display the main editor view
+
+@login_required
+@with_repo
+def display_editor(request, path, repo):
+
+ # this is the only entry point where we create an autobranch for the user
+ # if it doesn't exists. All other views SHOULD fail.
+ def ensure_branch_exists():
+ parent = repo.get_branch_tip('default')
+ repo._create_branch(file_branch(path, request.user), parent)
+
+ try:
+ repo.with_wlock(ensure_branch_exists)
+
+ return direct_to_template(request, 'explorer/editor.html', extra_context={
+ 'hash': path,
+ 'panel_list': ['lewy', 'prawy'],
+ 'scriptlets': toolbar_models.Scriptlet.objects.all()
+ })
+ except KeyError:
+ return direct_to_template(request, 'explorer/nofile.html', \
+ extra_context = { 'path': path })
+
+# ===============
+# = Panel views =
+# ===============
+
+@ajax_login_required
+@with_repo
+def xmleditor_panel(request, path, repo):
+ text = repo.get_file(path, file_branch(path, 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(),
})
+@ajax_login_required
+@with_repo
+def htmleditor_panel(request, path, repo):
+ user_branch = file_branch(path, request.user)
+ try:
+ return direct_to_template(request, 'explorer/panels/htmleditor.html', extra_context={
+ 'fpath': path,
+ 'html': html.transform(repo.get_file(path, user_branch), is_file=False),
+ })
+ except (ParseError, ValidationError), e:
+ return direct_to_template(request, 'explorer/panels/parse_error.html', extra_context={
+ 'fpath': path, 'exception_type': type(e).__name__, 'exception': e, 'panel_name': 'Edytor HTML'})
+
+@ajax_login_required
+@with_repo
+def dceditor_panel(request, path, repo):
+ user_branch = file_branch(path, request.user)
+
+ try:
+ doc_text = repo.get_file(path, user_branch)
+ document = parser.WLDocument.from_string(doc_text)
+ form = forms.DublinCoreForm(info=document.book_info)
+ return direct_to_template(request, 'explorer/panels/dceditor.html', extra_context={
+ 'fpath': path,
+ 'form': form,
+ })
+ except (ParseError, ValidationError), e:
+ return direct_to_template(request, 'explorer/panels/parse_error.html', extra_context={
+ 'fpath': path, 'exception_type': type(e).__name__, 'exception': e,
+ 'panel_name': 'Edytor DublinCore'})
-def file_html(request, path):
- return direct_to_template(request, 'explorer/file_html.html', extra_context={
- 'object': html.transform(repo.get_file(path).data(), is_file=False),
- 'hash': path,
+# =================
+# = 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),
})
-
\ No newline at end of file
+
+
+def _add_references(message, issues):
+ return message + " - " + ", ".join(map(lambda issue: "Refs #%d" % issue['id'], issues))
+
+def _get_issues_for_file(path):
+ if not path.endswith('.xml'):
+ raise ValueError('Path must end with .xml')
+
+ book_id = path[:-4]
+ uf = None
+
+ try:
+ uf = urllib2.urlopen(settings.REDMINE_URL + 'publications/issues/%s.json' % book_id)
+ return json.loads(uf.read())
+ except urllib2.HTTPError:
+ 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()} )