""" Created on Jan 31, 2011 @author: leifj """ from celery.utils import deprecated from meetingtools.apps.sco.models import get_sco, get_sco_shortcuts from meetingtools.apps.room.models import Room from meetingtools.multiresponse import respond_to, redirect_to, json_response from meetingtools.apps.room.forms import DeleteRoomForm,\ CreateRoomForm, ModifyRoomForm, TagRoomForm from django.shortcuts import get_object_or_404 from meetingtools.ac import ac_api_client import re from django.contrib.auth.decorators import login_required import logging from pprint import pformat from meetingtools.utils import session, base_url import time from django.conf import settings from django.utils.datetime_safe import datetime from django.http import HttpResponseRedirect from django.core.exceptions import ObjectDoesNotExist, MultipleObjectsReturned from django_co_acls.models import allow, acl, clear_acl from meetingtools.ac.api import ACPClient from tagging.models import Tag, TaggedItem import random, string from django.utils.feedgenerator import rfc3339_date from django.views.decorators.cache import never_cache from meetingtools.apps.cluster.models import acc_for_user from django.contrib.auth.models import User import iso8601 from celery.execute import send_task from meetingtools.apps.room.tasks import start_user_counts_poll def _user_meeting_folder(request,acc): if not session(request,'my_meetings_sco_id'): with ac_api_client(acc) as api: userid = request.user.username folders = api.request('sco-search-by-field',{'filter-type': 'folder','field':'name','query':userid}).et.xpath('//sco[folder-name="User Meetings"]') logging.debug("user meetings folder: "+pformat(folders)) #folder = next((f for f in folders if f.findtext('.//folder-name') == 'User Meetings'), None) if folders and len(folders) > 0: session(request,'my_meetings_sco_id',folders[0].get('sco-id')) return session(request,'my_meetings_sco_id') def _user_templates(request,acc,folder_sco): templates = [] with ac_api_client(acc) as api: if folder_sco: my_templates = api.request('sco-contents',{'sco-id': folder_sco.sco_id,'filter-type': 'folder'}).et.xpath('.//sco[folder-name="My Templates"][0]') if my_templates and len(my_templates) > 0: my_templates_sco_id = my_templates[0].get('sco_id') meetings = api.request('sco-contents',{'sco-id': my_templates_sco_id,'filter-type': 'meeting'}) if meetings: templates += [(get_sco(acc,r.get('sco-id')),r.findtext('name')) for r in meetings.et.findall('.//sco')] shared_templates_sco = get_sco_shortcuts(acc,'shared-meeting-templates') shared_templates = api.request('sco-contents',{'sco-id': shared_templates_sco.sco_id,'filter-type': 'meeting'}) if shared_templates: templates += [(get_sco(acc,r.get('sco-id')).id,r.findtext('name')) for r in shared_templates.et.findall('.//sco')] return templates def _find_current_session(session_info): for r in session_info.et.xpath('//row'): #logging.debug(pformat(etree.tostring(r))) end = r.findtext('date-end') if end is None: return r return None def _nusers(session_info): cur = _find_current_session(session_info) if cur is not None: return cur.get('num-participants') else: return 0 @login_required def view(request,id): room = get_object_or_404(Room,pk=id) return respond_to(request, {'text/html':'apps/room/list.html'}, {'user':request.user, 'rooms':[room], 'title': room.name, 'baseurl': base_url(request), 'active': True, }) def _init_update_form(request,form,acc,folder_sco): if form.fields.has_key('urlpath'): url = base_url(request) form.fields['urlpath'].widget.prefix = url if form.fields.has_key('source_sco'): form.fields['source_sco'].widget.choices = [('','-- select template --')]+[r for r in _user_templates(request,acc,folder_sco)] def _update_room(request, room, data=dict(), acc=None): params = {'type':'meeting'} if acc is None: acc = acc_for_user(request.user) for attr,param in (('sco','sco-id'),('folder_sco','folder-id'),('source_sco','source-sco-id'),('urlpath','url-path'),('name','name'),('description','description')): v = None if hasattr(room,attr): v = getattr(room,attr) logging.debug("%s,%s = %s" % (attr,param,repr(v))) if data.has_key(attr) and data[attr]: v = data[attr] if v: if isinstance(v,(str,unicode)): params[param] = v elif hasattr(v,'sco_id'): params[param] = v.sco_id # support ACObject instances elif hasattr(v,'__getitem__'): params[param] = v[0] else: params[param] = repr(v) logging.debug(pformat(params)) with ac_api_client(acc) as api: r = api.request('sco-update', params, True) sco_elt = r.et.find(".//sco") if sco_elt: sco_id = sco_elt.get('sco-id') if sco_id: data['sco'] = get_sco(acc,sco_id) source_sco_id = r.et.find(".//sco").get('sco-source-id') if source_sco_id: data['source_sco'] = get_sco(acc,source_sco_id) room.sco = data['sco'] room.save() sco_id = room.sco.sco_id assert(sco_id is not None and sco_id > 0) user_principal = api.find_user(room.creator.username) #api.request('permissions-reset',{'acl-id': sco_id},True) api.request('permissions-update',{'acl-id': sco_id, 'principal-id': user_principal.get('principal-id'), 'permission-id':'host'},True) # owner is always host if data.has_key('access'): access = data['access'] if access == 'public': allow(room,'anyone','view-hidden') elif access == 'private': allow(room,'anyone','remove') # XXX figure out how to keep the room permissions in sync with the AC permissions for ace in acl(room): principal_id = None if ace.group: principal = api.find_group(ace.group.name) if principal: principal_id = principal.get('principal-id') elif ace.user: principal = api.find_user(ace.user.username) if principal: principal_id = principal.get('principal-id') else: principal_id = "public-access" if principal_id: api.request('permissions-update',{'acl-id': room.sco_id, 'principal-id': principal_id, 'permission-id': ace.permission},True) room.deleted_sco = None # if we just cleaned a room we zero out the deleted_sco_id field to indicate the room is now ready for use room.save() # a second save here to avoid races return room @never_cache @login_required def create(request): acc = acc_for_user(request.user) my_meetings_sco = get_sco(acc,_user_meeting_folder(request,acc)) template_sco_id = acc.default_template_sco_id if not template_sco_id: template_sco_id = settings.DEFAULT_TEMPLATE_SCO room = Room(creator=request.user,folder_sco=my_meetings_sco,source_sco=get_sco(acc,template_sco_id)) what = "Create" title = "Create a new room" if request.method == 'POST': form = CreateRoomForm(request.POST,instance=room) _init_update_form(request, form, acc, my_meetings_sco) if form.is_valid(): _update_room(request, room, form.cleaned_data) room = form.save() return redirect_to("/rooms#%d" % room.id) else: form = CreateRoomForm(instance=room) _init_update_form(request, form, acc, my_meetings_sco) return respond_to(request,{'text/html':'apps/room/create.html'}, {'form':form, 'formtitle': title, 'cancelurl': '/rooms', 'cancelname':'Cancel', 'submitname':'%s Room' % what}) @never_cache @login_required def myroom(request): acc = acc_for_user(request.user) my_meetings_sco = get_sco(acc,_user_meeting_folder(request,acc)) template_sco_id = acc.default_template_sco_id if not template_sco_id: template_sco_id = settings.DEFAULT_TEMPLATE_SCO template_sco = get_sco(acc,template_sco_id) room = None try: room = Room.by_name(acc,name=request.user.username) except MultipleObjectsReturned: raise ValueError("Oops - there seem to be multiple rooms with name '%s'" % request.user.username) except ObjectDoesNotExist: room = Room(creator=request.user, folder_sco=my_meetings_sco, name=request.user.username, source_sco=template_sco) _update_room(request,room,dict(access='public')) if not room: raise ValueError("Opps - can't find your room") return _goto(request,room) @never_cache @login_required def update(request,id): room = get_object_or_404(Room,pk=id) acc = room.sco.acc what = "Update" title = "Modify %s" % room.name if request.method == 'POST': form = ModifyRoomForm(request.POST,instance=room) _init_update_form(request, form, acc, room.folder_sco) if form.is_valid(): _update_room(request, room, form.cleaned_data) room = form.save() return redirect_to("/rooms#%d" % room.id) else: form = ModifyRoomForm(instance=room) _init_update_form(request, form, acc, room.folder_sco) return respond_to(request,{'text/html':'apps/room/update.html'}, {'form':form, 'formtitle': title, 'cancelurl': '/rooms#%d' % room.id, 'cancelname': 'Cancel', 'submitname':'%s Room' % what}) @deprecated def _import_room(request,acc,r): modified = False room = None if room and (abs(room.lastupdate() - time.time()) < settings.IMPORT_TTL): return room if r.has_key('urlpath'): r['urlpath'] = r['urlpath'].strip('/') try: room = Room.by_sco(r['sco']) for key in ('sco','name','source_sco','urlpath','description','user_count','host_count'): if r.has_key(key) and hasattr(room,key): rv = getattr(room,key) if rv != r[key] and r[key] is not None and r[key]: setattr(room,key,r[key]) modified = True if modified: logging.debug("+++ saving room ... %s" % pformat(room)) room.save() except ObjectDoesNotExist: if r['folder_sco']: try: room = Room.objects.create(sco=r['sco'], source_sco=r['source_sco'], name=r['name'], urlpath=r['urlpath'], description=r['description'], creator=request.user, folder_sco=r['folder_sco']) except Exception,e: room = None pass if not room: return None logging.debug("+++ looking at user counts") with ac_api_client(acc) as api: userlist = api.request('meeting-usermanager-user-list',{'sco-id': room.sco.sco_id},False) if userlist.status_code() == 'ok': room.user_count = int(userlist.et.xpath("count(.//userdetails)")) room.host_count = int(userlist.et.xpath("count(.//userdetails/role[text() = 'host'])")) room.save() return room @login_required def list_rooms(request,username=None): user = request.user if username: try: user = User.objects.get(username=username) except ObjectDoesNotExist: user = None rooms = [] if user: rooms = Room.objects.filter(creator=user).order_by('name').all().prefetch_related("creator","sco","folder_sco","source_sco","deleted_sco") return respond_to(request, {'text/html':'apps/room/list.html'}, {'title':'Your Rooms','edit':True,'active':len(rooms) == 1,'rooms':rooms}) @login_required def unlock(request,id): room = get_object_or_404(Room,pk=id) room.unlock() return redirect_to("/rooms#%d" % room.id) @login_required def delete(request,id): room = get_object_or_404(Room,pk=id) if request.method == 'POST': form = DeleteRoomForm(request.POST) if form.is_valid(): with ac_api_client(room.sco.acc) as api: api.request('sco-delete',{'sco-id':room.sco.sco_id},raise_error=True) clear_acl(room) del room.sco if room.folder_sco is not None: del room.folder_sco if room.deleted_sco is not None: del room.deleted_sco room.delete() return redirect_to("/rooms") else: form = DeleteRoomForm() return respond_to(request,{'text/html':'edit.html'}, {'form':form, 'formtitle': 'Delete %s' % room.name, 'cancelurl': '/rooms', 'cancelname':'Cancel', 'submitname':'Delete Room'}) def _clean(request,room): with ac_api_client(room.sco.acc) as api: room.deleted_sco = room.sco room.save() api.request('sco-delete',{'sco-id':room.sco.sco_id},raise_error=False) room.sco = None return _update_room(request, room) def occupation(request,rid): room = get_object_or_404(Room,pk=rid) with ac_api_client(room.sco.acc) as api: api.poll_user_counts(room) d = {'nusers': room.user_count, 'nhosts': room.host_count} return respond_to(request, {'text/html': 'apps/room/fragments/occupation.txt', 'application/json': json_response(d, request)}, d) def go_by_id(request,id): room = get_object_or_404(Room,pk=id) return goto(request,room) def go_by_path(request,path): room = get_object_or_404(Room,urlpath=path) return goto(request,room) @login_required def promote_and_launch(request,rid): room = get_object_or_404(Room,pk=rid) return _goto(request,room,clean=False,promote=True) def launch(request,rid): room = get_object_or_404(Room,pk=rid) return _goto(request,room,clean=False) def goto(request,room): return _goto(request,room,clean=True) def _random_key(length=20): rg = random.SystemRandom() alphabet = string.letters + string.digits return str().join(rg.choice(alphabet) for _ in range(length)) def _goto(request,room,clean=True,promote=False): if room.is_locked(): return respond_to(request, {"text/html": "apps/room/retry.html"}, {'room': room, 'wait': 10}) now = time.time() lastvisit = room.lastvisit() room.lastvisited = datetime.now() with ac_api_client(room.sco.acc) as api: api.poll_user_counts(room) if clean: # don't clean the room unless you get a good status code from the call to the usermanager api above if room.self_cleaning and room.user_count == 0: if (room.user_count == 0) and (abs(lastvisit - now) > settings.GRACE): room.lock("Locked for cleaning") try: room = _clean(request,room) finally: room.unlock() if room.host_count == 0 and room.allow_host: return respond_to(request, {"text/html": "apps/room/launch.html"}, {'room': room}) else: room.save() key = None if request.user.is_authenticated(): key = _random_key(20) user_principal = api.find_user(request.user.username) principal_id = user_principal.get('principal-id') with ac_api_client(room.sco.acc) as api: api.request("user-update-pwd",{"user-id": principal_id, 'password': key,'password-verify': key},True) if promote and room.self_cleaning: if user_principal: api.request('permissions-update',{'acl-id': room.sco.sco_id,'principal-id': user_principal.get('principal-id'),'permission-id':'host'},True) r = api.request('sco-info',{'sco-id':room.sco.sco_id},True) urlpath = r.et.findtext('.//sco/url-path') start_user_counts_poll(room,10) if key: try: user_client = ACPClient(room.sco.acc.api_url, request.user.username, key, cache=False) return user_client.redirect_to(room.sco.acc.url+urlpath) except Exception,e: pass return HttpResponseRedirect(room.sco.acc.url+urlpath) ## Tagging def _room2dict(request,room): return {'name':room.name, 'description':room.description, 'user_count':room.nusers(), 'host_count':room.nhosts(), 'updated': rfc3339_date(room.lastupdated), 'self_cleaning': room.self_cleaning, 'url': base_url(request,room.go_url())} # should not require login def list_by_tag(request,tn): tags = tn.split('+') rooms = TaggedItem.objects.get_by_model(Room, tags).order_by('name').all().prefetch_related("creator","sco","folder_sco","source_sco","deleted_sco") title = 'Rooms tagged with %s' % " and ".join(tags) return respond_to(request, {'text/html':'apps/room/list.html', 'application/json': json_response([_room2dict(request,room) for room in rooms],request)}, {'title':title, 'description':title , 'edit':False, 'active':len(rooms) == 1, 'baseurl': base_url(request), 'tagstring': tn, 'rooms':rooms}) def widget(request,tags=None): title = 'Meetingtools jQuery widget' return respond_to(request,{'text/html':'apps/room/widget.html'},{'title': title,'tags':tags}) def _can_tag(request,tag): if tag in ('selfcleaning','cleaning','public','private'): return False,"'%s' is reserved" % tag # XXX implement access model for tags here soon return True,"" @never_cache @login_required def untag(request,rid,tag): room = get_object_or_404(Room,pk=rid) new_tags = [] for t in Tag.objects.get_for_object(room): if t.name != tag: new_tags.append(t.name) Tag.objects.update_tags(room, ' '.join(new_tags)) return redirect_to("/room/%d/tag" % room.id) @never_cache @login_required def tag(request,rid): room = get_object_or_404(Room,pk=rid) if request.method == 'POST': form = TagRoomForm(request.POST) if form.is_valid(): for tag in re.split('[,\s]+',form.cleaned_data['tag']): tag = tag.strip() ok,reason = _can_tag(request,tag) if ok: Tag.objects.add_tag(room, tag) else: form._errors['tag'] = form.error_class([u'%s ... please choose another tag!' % reason]) else: form = TagRoomForm() tags = Tag.objects.get_for_object(room) tn = "+".join([t.name for t in tags]) return respond_to(request, {'text/html': "apps/room/tag.html"}, {'form': form, 'formtitle': 'Add Tag', 'cancelurl': '/rooms#%d' % room.id, 'cancelname':'Done', 'submitname': 'Add Tag', 'room': room, 'tagstring': tn, 'tags': tags}) def room_recordings(request,room): acc = room.sco.acc with ac_api_client(acc) as api: r = api.request('sco-expanded-contents',{'sco-id': room.sco.sco_id,'filter-icon':'archive'},True) return [{'published': False, 'name': sco_elt.findtext('name'), 'sco': get_sco(acc,sco_elt.get('sco-id')), 'url': room.sco.acc.make_url(sco_elt.findtext('url-path')), 'dl': room.sco.acc.make_dl_url(sco_elt.findtext('url-path')), 'description': sco_elt.findtext('description'), 'date_created': iso8601.parse_date(sco_elt.findtext('date-created')), 'date_modified': iso8601.parse_date(sco_elt.findtext('date-modified'))} for sco_elt in r.et.findall(".//sco")] + [ {'published': True, 'ar': ar, 'name': ar.name, 'description': ar.description, 'sco': ar.sco, 'url': room.sco.acc.make_url(ar.urlpath), 'dl': room.sco.acc.make_url(ar.urlpath), 'date_created': ar.timecreated, 'date_modified': ar.lastupdated} for ar in room.archives.all().prefetch_related("creator","sco","folder_sco","source_sco","deleted_sco") ] @login_required def recordings(request,rid): room = get_object_or_404(Room,pk=rid) return respond_to(request, {'text/html': 'apps/room/recordings.html'}, {'recordings': room_recordings(request,room),'room':room})