class EventView(BrowserView):
""" Event View """
implements(IEventView)
def __init__(self, context, request):
self.context = context
self.request = request
self.database = IEventDatabaseProvider(context)
self.portal_state = getMultiAdapter(
(self.context, self.request),
name=u'plone_portal_state'
)
self.navigation_root = self.portal_state.navigation_root()
self.db_org_id = getattr(aq_base(self.navigation_root), 'dbOrgId', 0)
self.params = param_utils.getQueryParams(request)
self.eid = self.params['eid']
def getEvent(self):
""" find an event by eid """
return self.database.getEvent(self.eid)
def getEventDates(self):
"""
Return a display list of dates.
"""
return getEventDateRep(self.database.getEventDates(self.eid))
def displayTime(self, event):
""" start/end time for display; None if all-day """
begins = event['begins']
ends = event['ends']
if begins == ends:
if begins == '12:00 AM':
return None
return begins
if ends == '12:00 AM':
return begins
return u"%s–%s" % (begins, ends)
def needOrg(self, oid):
""" do we need to show organizational details? """
# Yes, unless oid of event matches that from nav root
return self.db_org_id != oid
def getOrg(self, oid):
""" return a dict for the organization """
return self.database.getOrgData(oid)
def getParams(self):
""" get the useful params as a dict """
return self.params
class EventEditForm(form.SchemaForm):
""" Define Form handling
"""
schema = IEventEditForm
ignoreContext = False
# attributes we'll get from the database view
database_attributes = (
'eid',
'title',
'description',
'location',
'eventUrl',
'eventContact',
'eventEmail',
'eventPhone',
'begins',
'ends',
)
def __init__(self, context, request):
assert(INavigationRoot.providedBy(context))
super(EventEditForm, self).__init__(context, request)
self.database = IEventDatabaseProvider(context)
# get eid from 'eid' or 'form.widgets.eid'
self.eid = int(
request.form.get('eid',
request.form.get('form.widgets.eid', '0').replace(',', '')
)
)
self.pdtcal = parsedatetime.Calendar()
request['disable_border'] = 1
request['disable_plone.rightcolumn'] = 1
def updateWidgets(self):
super(EventEditForm, self).updateWidgets()
self.widgets['eid'].mode = z3c.form.interfaces.HIDDEN_MODE
def updateActions(self):
super(EventEditForm, self).updateActions()
delete_action = self.actions.get('handleDelete')
if delete_action:
delete_action.onclick = u"return confirm('Delete this event?')"
def getContent(self):
"""
fill and return a content object
"""
def strToDate(s):
yr, mo, day = s.split('-')
return date(int(yr), int(mo), int(day))
def findRecurs(dates):
last_delta = None
starts = [d.start for d in dates]
prev = strToDate(starts[0])
for start in starts[1:]:
dt = strToDate(start)
delta = dt - prev
if last_delta and delta != last_delta:
return None
prev = dt
last_delta = delta
if delta.days == 1:
recurs = "daily"
elif delta.days == 7:
recurs = "weekly"
elif delta.days == 7:
recurs = "biweekly"
else:
return None
# we need to return an object with start, end, recurs
# attributes
obj = Recurrence()
obj.start = starts[0]
obj.end = starts[-1]
obj.recurs = recurs
return obj
obj = EventContext()
obj._database = self.database
eid = self.eid
if eid:
event_data = self.database.getEvent(eid)
for key in EventEditForm.database_attributes:
value = event_data.get(key)
setattr(obj, key, value)
for key in ('public', 'free', 'community'):
setattr(obj, key, event_data[key] == "Y")
cats = [c.gcid for c in self.database.getEventCats(eid)]
my_cats = [c.gcid for c in self.database.getOrgCats()]
org_cats = []
major_cats = []
for gcid in cats:
if gcid in my_cats:
org_cats.append(gcid)
else:
major_cats.append(gcid)
obj.majorCats = major_cats
obj.orgCats = org_cats
dates = self.database.getEventDates(eid)
# check to see if this is an old-style date list
# that happens to recur regularly
if len(dates) > 1:
recurs = findRecurs(dates)
if recurs:
# we can normalize it to start, end, recurs
dates = [recurs]
if len(dates) == 1:
# simple scheduling
obj.start = strToDate(dates[0].start)
obj.end = strToDate(dates[0].end)
obj.recurs = dates[0].recurs
else:
# we are irregularly scheduled
obj.start = date.today()
obj.end = date.today()
obj.recurs = 'irregular'
if len(dates):
wkdates = []
for d in dates:
yr, mo, dy = d.start.split('-')
wkdates.append("/".join((mo, dy, yr[2:])))
obj.dates = ", ".join(wkdates)
else:
obj.start = date.today()
obj.end = date.today()
portal_state = getMultiAdapter(
(self.context, self.request), name=u'plone_portal_state')
navigation_root = portal_state.navigation_root()
obj.majorCats = getattr(navigation_root, 'defaultMajorCats', [])
return obj
def _getWriter(self):
"""
return a database writer
"""
portal_state = getMultiAdapter(
(self.context, self.request),
name=u'plone_portal_state'
)
navigation_root = portal_state.navigation_root()
return IEventDatabaseWriteProvider(navigation_root)
@button.buttonAndHandler(u'Save Event')
def handleApply(self, action):
data, errors = self.extractData()
if errors:
self.status = self.formErrorsMessage
return
# get write access to the database
writer = self._getWriter()
form = self.request.form
portal_state = getMultiAdapter(
(self.context, self.request),
name=u'plone_portal_state'
)
member = portal_state.member()
eid = data['eid']
event_data = {}
for key in EventEditForm.database_attributes:
if key != 'eid':
if key == 'begins':
# ##:## time from struct_time
event_data['startTime'] = struct_time2str(form['begins_time'])
elif key == 'ends':
event_data['endTime'] = struct_time2str(form['ends_time'])
else:
event_data[key] = data.get(key)
for key in ('public', 'free', 'community'):
event_data[key] = data.get(key) and "Y" or "N"
if eid:
writer.updateEvent(eid, member, **event_data)
writer.deleteEventCats(eid)
writer.deleteEventDates(eid)
else:
eid = writer.eventInsert(member, **event_data)
writer.evCatsInsert(eid, list(data['orgCats'].union(data['majorCats'])))
if data['recurs'] == 'irregular':
# irregular scheduling; save a list of dates
writer.evDatesInsert(
eid,
[(dt, dt, u"daily") for dt in form['date_list']]
)
else:
# regular scheduling
writer.evDatesInsert(eid, ((data['start'], data['end'], data['recurs']), ))
messages = IStatusMessage(self.request)
messages.add(u"Event saved", type=u"info")
self.request.response.redirect("@@caledit")
@button.buttonAndHandler(u"Delete Event",
name="handleDelete",
condition=lambda form: form.eid != 0)
def handleDelete(self, action):
"""
Delete this event.
"""
eid = self.eid
assert(eid != 0)
writer = self._getWriter()
writer.deleteEventCats(eid)
writer.deleteEventDates(eid)
writer.deleteEvent(eid)
messages = IStatusMessage(self.request)
messages.add(u"Event deleted", type=u"info")
self.request.response.redirect("caledit")
@button.buttonAndHandler(u"Cancel Edits")
def handleCancel(self, action):
"""User cancelled. Redirect back to the front page.
"""
self.request.response.redirect("caledit")
