author | Sylvain Thénault <sylvain.thenault@logilab.fr> |
Thu, 17 Jun 2010 15:15:52 +0200 | |
changeset 5774 | 0d792bceb25d |
parent 5424 | 8ecbcbff9777 |
child 6142 | 8bc6eac1fac1 |
permissions | -rw-r--r-- |
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# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved. |
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# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr |
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parents:
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3 |
# |
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4 |
# This file is part of CubicWeb. |
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5 |
# |
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parents:
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# CubicWeb is free software: you can redistribute it and/or modify it under the |
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# terms of the GNU Lesser General Public License as published by the Free |
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# Software Foundation, either version 2.1 of the License, or (at your option) |
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# any later version. |
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# |
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# CubicWeb is distributed in the hope that it will be useful, but WITHOUT |
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more |
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# details. |
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15 |
# |
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# You should have received a copy of the GNU Lesser General Public License along |
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# with CubicWeb. If not, see <http://www.gnu.org/licenses/>. |
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"""some hooks and views to handle supervising of any data changes |
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""" |
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__docformat__ = "restructuredtext en" |
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from cubicweb import UnknownEid |
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from cubicweb.selectors import none_rset |
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from cubicweb.schema import display_name |
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from cubicweb.view import Component |
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from cubicweb.mail import format_mail |
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from cubicweb.server.hook import SendMailOp |
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def filter_changes(changes): |
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""" |
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* when an entity has been deleted: |
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* don't show deletion of its relations |
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* don't show related TrInfo deletion if any |
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* when an entity has been added don't show owned_by relation addition |
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* don't show new TrInfo entities if any |
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""" |
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# first build an index of changes |
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index = {} |
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added, deleted = set(), set() |
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for change in changes[:]: |
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event, changedescr = change |
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if event == 'add_entity': |
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entity = changedescr.entity |
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added.add(entity.eid) |
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if entity.e_schema == 'TrInfo': |
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changes.remove(change) |
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event = 'change_state' |
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change = (event, |
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(entity.wf_info_for[0], |
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entity.from_state[0], entity.to_state[0])) |
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changes.append(change) |
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elif event == 'delete_entity': |
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deleted.add(changedescr[0]) |
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index.setdefault(event, set()).add(change) |
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for key in ('delete_relation', 'add_relation'): |
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for change in index.get(key, {}).copy(): |
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if change[1].rtype == 'in_state': |
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index[key].remove(change) |
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# filter changes |
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for eid in added: |
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try: |
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for change in index['add_relation'].copy(): |
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changedescr = change[1] |
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# skip meta-relations which are set automatically |
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# XXX generate list below using rtags (category = 'generated') |
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if changedescr.rtype in ('created_by', 'owned_by', 'is', 'is_instance_of', |
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'from_state', 'to_state', 'by_transition', |
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'wf_info_for') \ |
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and changedescr.eidfrom == eid: |
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index['add_relation'].remove(change) |
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except KeyError: |
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break |
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for eid in deleted: |
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try: |
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for change in index['delete_relation'].copy(): |
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if change[1].eidfrom == eid: |
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index['delete_relation'].remove(change) |
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elif change[1].eidto == eid: |
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index['delete_relation'].remove(change) |
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if change[1].rtype == 'wf_info_for': |
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for change_ in index['delete_entity'].copy(): |
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if change_[1].eidfrom == change[1].eidfrom: |
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index['delete_entity'].remove(change_) |
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except KeyError: |
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break |
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for change in changes: |
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event, changedescr = change |
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if change in index[event]: |
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yield change |
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class SupervisionEmailView(Component): |
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"""view implementing the email API for data changes supervision notification |
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""" |
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__regid__ = 'supervision_notif' |
730 | 99 |
__select__ = none_rset() |
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def recipients(self): |
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return self._cw.vreg.config['supervising-addrs'] |
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def subject(self): |
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return self._cw._('[%s supervision] changes summary') % self._cw.vreg.config.appid |
1723 | 106 |
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0 | 107 |
def call(self, changes): |
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user = self._cw.user |
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self.w(self._cw._('user %s has made the following change(s):\n\n') |
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% user.login) |
111 |
for event, changedescr in filter_changes(changes): |
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self.w(u'* ') |
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getattr(self, event)(changedescr) |
0 | 114 |
self.w(u'\n\n') |
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def _entity_context(self, entity): |
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return {'eid': entity.eid, |
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'etype': entity.dc_type().lower(), |
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'title': entity.dc_title()} |
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def add_entity(self, changedescr): |
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msg = self._cw._('added %(etype)s #%(eid)s (%(title)s)') |
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self.w(u'%s\n' % (msg % self._entity_context(changedescr.entity))) |
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self.w(u' %s' % changedescr.entity.absolute_url()) |
1723 | 125 |
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def update_entity(self, changedescr): |
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msg = self._cw._('updated %(etype)s #%(eid)s (%(title)s)') |
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self.w(u'%s\n' % (msg % self._entity_context(changedescr.entity))) |
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# XXX print changes |
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self.w(u' %s' % changedescr.entity.absolute_url()) |
1723 | 131 |
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def delete_entity(self, (eid, etype, title)): |
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msg = self._cw._('deleted %(etype)s #%(eid)s (%(title)s)') |
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etype = display_name(self._cw, etype).lower() |
0 | 135 |
self.w(msg % locals()) |
1723 | 136 |
|
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def change_state(self, (entity, fromstate, tostate)): |
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msg = self._cw._('changed state of %(etype)s #%(eid)s (%(title)s)') |
0 | 139 |
self.w(u'%s\n' % (msg % self._entity_context(entity))) |
1723 | 140 |
self.w(_(' from state %(fromstate)s to state %(tostate)s\n' % |
0 | 141 |
{'fromstate': _(fromstate.name), 'tostate': _(tostate.name)})) |
142 |
self.w(u' %s' % entity.absolute_url()) |
|
1723 | 143 |
|
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def _relation_context(self, changedescr): |
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session = self._cw |
0 | 146 |
def describe(eid): |
147 |
try: |
|
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148 |
return session._(session.describe(eid)[0]).lower() |
0 | 149 |
except UnknownEid: |
150 |
# may occurs when an entity has been deleted from an external |
|
151 |
# source and we're cleaning its relation |
|
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152 |
return session._('unknown external entity') |
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eidfrom, rtype, eidto = changedescr.eidfrom, changedescr.rtype, changedescr.eidto |
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return {'rtype': session._(rtype), |
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'eidfrom': eidfrom, |
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'frometype': describe(eidfrom), |
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'eidto': eidto, |
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'toetype': describe(eidto)} |
1723 | 159 |
|
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160 |
def add_relation(self, changedescr): |
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161 |
msg = self._cw._('added relation %(rtype)s from %(frometype)s #%(eidfrom)s to %(toetype)s #%(eidto)s') |
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162 |
self.w(msg % self._relation_context(changedescr)) |
0 | 163 |
|
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531395cb5a22
[supervising] fix delete_relation() prototype and changedescr usage
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
3377
diff
changeset
|
164 |
def delete_relation(self, changedescr): |
3430
e6d50513936c
[api] use cw_* in supervising
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
3429
diff
changeset
|
165 |
msg = self._cw._('deleted relation %(rtype)s from %(frometype)s #%(eidfrom)s to %(toetype)s #%(eidto)s') |
2841
107ba1c45227
rewrite hooks in sobjects as new Hook style into hooks sub-package
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2812
diff
changeset
|
166 |
self.w(msg % self._relation_context(changedescr)) |
1723 | 167 |
|
168 |
||
0 | 169 |
class SupervisionMailOp(SendMailOp): |
170 |
"""special send email operation which should be done only once for a bunch |
|
171 |
of changes |
|
172 |
""" |
|
173 |
def _get_view(self): |
|
2650
18aec79ec3a3
R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2649
diff
changeset
|
174 |
return self.session.vreg['components'].select('supervision_notif', |
18aec79ec3a3
R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2649
diff
changeset
|
175 |
self.session) |
1723 | 176 |
|
0 | 177 |
def _prepare_email(self): |
178 |
session = self.session |
|
179 |
config = session.vreg.config |
|
180 |
uinfo = {'email': config['sender-addr'], |
|
181 |
'name': config['sender-name']} |
|
182 |
view = self._get_view() |
|
2102
268659907769
finish to update transaction data api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2101
diff
changeset
|
183 |
content = view.render(changes=session.transaction_data.get('pendingchanges')) |
0 | 184 |
recipients = view.recipients() |
185 |
msg = format_mail(uinfo, recipients, content, view.subject(), config=config) |
|
186 |
self.to_send = [(msg, recipients)] |
|
187 |
||
188 |
def commit_event(self): |
|
189 |
self._prepare_email() |
|
190 |
SendMailOp.commit_event(self) |