+# -*- coding: utf-8 -*-
import urllib2
import hg
-from lxml import etree
-from librarian import html,dcparser
+from librarian import html, parser, dcparser, ParseError, ValidationError
from django.conf import settings
from django.contrib.auth.decorators import login_required, permission_required
-from django.core.paginator import Paginator, InvalidPage, EmptyPage
+
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
#
# Some useful decorators
-#
+
+def file_branch(path, user=None):
+ return ('personal_'+user.username + '_' if user is not None else '') \
+ + 'file_' + path
+
def with_repo(view):
"""Open a repository for this view"""
def view_with_repo(request, *args, **kwargs):
if request.user.is_authenticated():
return view(request, *args, **kwargs)
# not authenticated
- return HttpResponse( json.dumps({'result': 'access_denied'}) );
+ return HttpResponse( json.dumps({'result': 'access_denied', 'errors': ['Brak dostępu.']}) );
return view_with_auth
#
#
@with_repo
def file_list(request, repo):
- paginator = Paginator( repo.file_list('default'), 100);
+ #
+ latest_default = repo.get_branch_tip('default')
+ files = list( repo.repo[latest_default] )
bookform = forms.BookUploadForm()
- try:
- page = int(request.GET.get('page', '1'))
- except ValueError:
- page = 1
-
- try:
- files = paginator.page(page)
- except (EmptyPage, InvalidPage):
- files = paginator.page(paginator.num_pages)
-
return direct_to_template(request, 'explorer/file_list.html', extra_context={
- 'files': files, 'page': page, 'bookform': bookform,
+ 'files': files, 'bookform': bookform,
})
@permission_required('explorer.can_add_files')
@with_repo
def file_upload(request, repo):
- form = forms.BookUploadForm(request.POST, request.FILES)
- if form.is_valid():
- f = request.FILES['file']
-
- def upload_action():
- print 'Adding file: %s' % f.name
- repo._add_file(f.name, f.read().decode('utf-8'))
- repo._commit(message="File %s uploaded from platform by %s" %
- (f.name, request.user.username), user=request.user.username)
-
- repo.in_branch(upload_action, 'default')
- return HttpResponseRedirect( reverse('editor_view', kwargs={'path': f.name}) )
-
- return direct_to_template(request, 'explorer/file_upload.html',
- extra_context = {'form' : form} )
+ 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')
+
+ # 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
@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():
print 'Saving whole text.', request.user.username
- def save_action():
- print 'In branch: ' + repo.repo[None].branch()
- repo._add_file(path, form.cleaned_data['content'])
- repo._commit(message=(form.cleaned_data['commit_message'] or 'Lokalny zapis platformy.'), user=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) )
- print repo.in_branch(save_action, models.user_branch(request.user) );
- result = "ok"
+ 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:
- result = "error"
+ # 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()
- errors = dict( (field[0], field[1].as_text()) for field in form.errors.iteritems() )
- return HttpResponse( json.dumps({'result': result, 'errors': errors}) );
+ if result is None:
+ raise Exception("Ouch, this shouldn't happen!")
+
+ return HttpResponse( json.dumps({'result': result, 'errors': errors}) );
- form = forms.BookForm()
- data = repo.get_file(path, models.user_branch(request.user))
- form.fields['content'].initial = data
- return HttpResponse( json.dumps({'result': 'ok', 'content': data}) )
+@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)
- doc = etree.fromstring(file_contents)
-
- book_info = dcparser.BookInfo()
- for name, value in form.cleaned_data.items():
- if value is not None and value != '':
- setattr(book_info, name, value)
- rdf = etree.XML(book_info.to_xml())
-
- old_rdf = doc.getroottree().find('//{http://www.w3.org/1999/02/22-rdf-syntax-ns#}RDF')
- old_rdf.getparent().remove(old_rdf)
- doc.insert(0, rdf)
- repo._add_file(path, etree.tostring(doc, pretty_print=True, encoding=unicode))
- repo._commit(message=(form.cleaned_data['commit_message'] or 'Lokalny zapis platformy.'), user=request.user.username)
- repo.in_branch(save_action, models.user_branch(request.user) )
-
- result = "ok"
- else:
- result = "error"
-
- errors = dict( (field[0], field[1].as_text()) for field in form.errors.iteritems() )
- return HttpResponse( json.dumps({'result': result, 'errors': errors}) );
+ # 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 = []
- fulltext = repo.get_file(path, models.user_branch(request.user))
- form = forms.DublinCoreForm(text=fulltext)
- return HttpResponse( json.dumps({'result': 'ok', 'content': fulltext}) )
+ 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
-def display_editor(request, path):
- return direct_to_template(request, 'explorer/editor.html', extra_context={
- 'hash': path, 'panel_list': ['lewy', 'prawy'],
- })
+@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):
- form = forms.BookForm()
- text = repo.get_file(path, models.user_branch(request.user))
+ text = repo.get_file(path, file_branch(path, request.user))
return direct_to_template(request, 'explorer/panels/xmleditor.html', extra_context={
'fpath': path,
@ajax_login_required
@with_repo
def htmleditor_panel(request, path, repo):
- user_branch = models.user_branch(request.user)
- 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),
- })
-
+ 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 = models.user_branch(request.user)
- text = repo.get_file(path, user_branch)
- form = forms.DublinCoreForm(text=text)
-
- return direct_to_template(request, 'explorer/panels/dceditor.html', extra_context={
- 'fpath': path,
- 'form': form,
- })
+ 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'})
# =================
# = Utility views =
fnp / redakcja.git / blobdiff