X-Git-Url: https://git.mdrn.pl/redakcja.git/blobdiff_plain/db3e243b1ed74dce4437d9e72b975ce49b47763b..3a100c86bdaa0dbdd25796286ef3b6d4888911d8:/apps/explorer/views.py?ds=sidebyside diff --git a/apps/explorer/views.py b/apps/explorer/views.py index 19582e25..18f79b3e 100644 --- a/apps/explorer/views.py +++ b/apps/explorer/views.py @@ -5,18 +5,22 @@ 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): @@ -32,7 +36,7 @@ def ajax_login_required(view): 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 # @@ -40,41 +44,50 @@ def ajax_login_required(view): # @with_repo def file_list(request, repo): - paginator = Paginator( repo.file_list('default'), 100); + # + latest_default = repo.get_branch_tip('default') + files = [ f for f in repo.repo[latest_default] if not f.startswith('.')] 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 @@ -85,32 +98,187 @@ def file_upload(request, 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: - # wczytaj dokument z ciągu znaków -> weryfikacja - document = parser.WLDocument.from_string(form.cleaned_data['content']) + # 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, models.user_branch(request.user) ); - except (ParseError, ValidationError), e: - errors = [e.message] + 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})); + return HttpResponse( json.dumps({'result': errors and 'error' or 'ok', + 'errors': errors, 'warnings': warnings}) ); form = forms.BookForm() - data = repo.get_file(path, models.user_branch(request.user)) + data = repo.get_file(path, file_branch(path, request.user)) form.fields['content'].initial = data - return HttpResponse( json.dumps({'result': 'ok', 'content': 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 @@ -121,23 +289,24 @@ def file_dc(request, path, repo): 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) - - print "SAVING DC" + document.book_info.update(form.cleaned_data) # zapisz - repo._add_file(path, document.serialize()) + 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, models.user_branch(request.user) ) + 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] @@ -150,7 +319,7 @@ def file_dc(request, path, repo): content = [] try: - fulltext = repo.get_file(path, models.user_branch(request.user)) + fulltext = repo.get_file(path, file_branch(path, request.user)) bookinfo = dcparser.BookInfo.from_string(fulltext) content = bookinfo.to_dict() except (ParseError, ValidationError), e: @@ -162,10 +331,26 @@ def file_dc(request, path, repo): # 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 = @@ -174,8 +359,7 @@ def display_editor(request, path): @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, @@ -193,7 +377,7 @@ def gallery_panel(request, path): @ajax_login_required @with_repo def htmleditor_panel(request, path, repo): - user_branch = models.user_branch(request.user) + user_branch = file_branch(path, request.user) try: return direct_to_template(request, 'explorer/panels/htmleditor.html', extra_context={ 'fpath': path, @@ -206,7 +390,7 @@ def htmleditor_panel(request, path, repo): @ajax_login_required @with_repo def dceditor_panel(request, path, repo): - user_branch = models.user_branch(request.user) + user_branch = file_branch(path, request.user) try: doc_text = repo.get_file(path, user_branch)