author | Sylvain Thénault <sylvain.thenault@logilab.fr> |
Thu, 15 Apr 2010 14:01:29 +0200 | |
branch | stable |
changeset 5275 | 32fbb13c06d3 |
parent 4930 | 9fcc9ae2aebe |
child 5421 | 8167de96c523 |
permissions | -rw-r--r-- |
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"""some views to handle notification on data changes |
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:organization: Logilab |
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update copyright: welcome 2010
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:copyright: 2001-2010 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2. |
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:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr |
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:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses |
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""" |
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__docformat__ = "restructuredtext en" |
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_ = unicode |
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from itertools import repeat |
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from logilab.common.textutils import normalize_text |
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from logilab.common.deprecation import class_renamed, class_moved, deprecated |
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from cubicweb.selectors import yes |
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from cubicweb.view import Component |
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from cubicweb.mail import NotificationView, SkipEmail |
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from cubicweb.server.hook import SendMailOp |
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class RecipientsFinder(Component): |
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"""this component is responsible to find recipients of a notification |
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by default user's with their email set are notified if any, else the default |
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email addresses specified in the configuration are used |
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""" |
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__regid__ = 'recipients_finder' |
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__select__ = yes() |
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user_rql = ('Any X,E,A WHERE X is CWUser, X in_state S, S name "activated",' |
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'X primary_email E, E address A') |
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def recipients(self): |
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mode = self._cw.vreg.config['default-recipients-mode'] |
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if mode == 'users': |
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execute = self._cw.execute |
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dests = [(u.get_email(), u.property_value('ui.language')) |
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for u in execute(self.user_rql, build_descr=True).entities()] |
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elif mode == 'default-dest-addrs': |
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lang = self._cw.vreg.property_value('ui.language') |
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dests = zip(self._cw.vreg.config['default-dest-addrs'], repeat(lang)) |
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else: # mode == 'none' |
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dests = [] |
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return dests |
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# abstract or deactivated notification views and mixin ######################## |
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class NotificationView(NotificationView): |
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"""overriden to delay actual sending of mails to a commit operation by |
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default |
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""" |
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def send_on_commit(self, recipients, msg): |
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SendMailOp(self._cw, recipients=recipients, msg=msg) |
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send = send_on_commit |
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class StatusChangeMixIn(object): |
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__regid__ = 'notif_status_change' |
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msgid_timestamp = True |
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message = _('status changed') |
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content = _(""" |
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%(user)s changed status from <%(previous_state)s> to <%(current_state)s> for entity |
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'%(title)s' |
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%(comment)s |
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url: %(url)s |
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""") |
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############################################################################### |
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# Actual notification views. # |
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# # |
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# disable them at the recipients_finder level if you don't want them # |
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############################################################################### |
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# XXX should be based on dc_title/dc_description, no? |
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class ContentAddedView(NotificationView): |
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"""abstract class for notification on entity/relation |
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all you have to do by default is : |
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* set id and __select__ attributes to match desired events and entity types |
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* set a content attribute to define the content of the email (unless you |
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override call) |
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""" |
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__abstract__ = True |
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__regid__ = 'notif_after_add_entity' |
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msgid_timestamp = False |
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message = _('new') |
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content = """ |
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%(title)s |
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%(content)s |
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url: %(url)s |
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""" |
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def context(self, **kwargs): |
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entity = self.cw_rset.get_entity(self.cw_row or 0, self.cw_col or 0) |
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content = entity.printable_value(self.content_attr, format='text/plain') |
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if content: |
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contentformat = getattr(entity, self.content_attr + '_format', |
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'text/rest') |
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# XXX don't try to wrap rest until we've a proper transformation (see |
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# #103822) |
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if contentformat != 'text/rest': |
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content = normalize_text(content, 80) |
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return super(ContentAddedView, self).context(content=content, **kwargs) |
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def subject(self): |
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entity = self.cw_rset.get_entity(self.cw_row or 0, self.cw_col or 0) |
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return u'%s #%s (%s)' % (self._cw.__('New %s' % entity.e_schema), |
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entity.eid, self.user_data['login']) |
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def format_value(value): |
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if isinstance(value, unicode): |
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return u'"%s"' % value |
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return value |
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class EntityUpdatedNotificationView(NotificationView): |
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"""abstract class for notification on entity/relation |
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all you have to do by default is : |
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* set id and __select__ attributes to match desired events and entity types |
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* set a content attribute to define the content of the email (unless you |
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override call) |
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""" |
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__abstract__ = True |
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__regid__ = 'notif_entity_updated' |
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msgid_timestamp = False |
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message = _('updated') |
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no_detailed_change_attrs = () |
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content = """ |
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Properties have been updated by %(user)s: |
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%(changes)s |
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url: %(url)s |
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""" |
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def context(self, **kwargs): |
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context = super(EntityUpdatedNotificationView, self).context(**kwargs) |
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changes = self._cw.transaction_data['changes'][self.cw_rset[0][0]] |
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_ = self._cw._ |
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formatted_changes = [] |
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entity = self.cw_rset.get_entity(self.cw_row or 0, self.cw_col or 0) |
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151 |
for attr, oldvalue, newvalue in sorted(changes): |
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# check current user has permission to see the attribute |
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rschema = self._cw.vreg.schema[attr] |
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154 |
if rschema.final: |
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rdef = entity.e_schema.rdef(rschema) |
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if not rdef.has_perm(self._cw, 'read', eid=self.cw_rset[0][0]): |
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157 |
continue |
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158 |
# XXX suppose it's a subject relation... |
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elif not rschema.has_perm(self._cw, 'read', |
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fromeid=self.cw_rset[0][0]): |
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161 |
continue |
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162 |
if attr in self.no_detailed_change_attrs: |
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163 |
msg = _('%s updated') % _(attr) |
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164 |
elif oldvalue not in (None, ''): |
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msg = _('%(attr)s updated from %(oldvalue)s to %(newvalue)s') % { |
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166 |
'attr': _(attr), |
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167 |
'oldvalue': format_value(oldvalue), |
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168 |
'newvalue': format_value(newvalue)} |
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169 |
else: |
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msg = _('%(attr)s set to %(newvalue)s') % { |
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171 |
'attr': _(attr), 'newvalue': format_value(newvalue)} |
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172 |
formatted_changes.append('* ' + msg) |
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173 |
if not formatted_changes: |
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174 |
# current user isn't allowed to see changes, skip this notification |
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175 |
raise SkipEmail() |
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176 |
context['changes'] = '\n'.join(formatted_changes) |
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177 |
return context |
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178 |
|
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179 |
def subject(self): |
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entity = self.cw_rset.get_entity(self.cw_row or 0, self.cw_col or 0) |
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181 |
return u'%s #%s (%s)' % (self._cw.__('Updated %s' % entity.e_schema), |
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182 |
entity.eid, self.user_data['login']) |
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|
184 |
||
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from cubicweb.hooks.notification import RenderAndSendNotificationView |
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186 |
from cubicweb.mail import parse_message_id |
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|
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188 |
NormalizedTextView = class_renamed('NormalizedTextView', ContentAddedView) |
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RenderAndSendNotificationView = class_moved(RenderAndSendNotificationView) |
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parse_message_id = deprecated('parse_message_id is now defined in cubicweb.mail')(parse_message_id) |
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191 |