1 # -*- coding: utf-8 -*-
2 ##############################################################################
4 # OpenERP, Open Source Management Solution
5 # Copyright (C) 2009 Sharoon Thomas
6 # Copyright (C) 2010-Today OpenERP SA (<http://www.openerp.com>)
8 # This program is free software: you can redistribute it and/or modify
9 # it under the terms of the GNU General Public License as published by
10 # the Free Software Foundation, either version 3 of the License, or
11 # (at your option) any later version.
13 # This program is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
18 # You should have received a copy of the GNU General Public License
19 # along with this program. If not, see <http://www.gnu.org/licenses/>
21 ##############################################################################
25 import dateutil.relativedelta as relativedelta
29 from openerp import SUPERUSER_ID
30 from openerp.osv import osv, fields
31 from openerp import tools
32 from openerp.tools.translate import _
33 from urllib import urlencode, quote as quote
35 _logger = logging.getLogger(__name__)
38 # We use a jinja2 sandboxed environment to render mako templates.
39 # Note that the rendering does not cover all the mako syntax, in particular
40 # arbitrary Python statements are not accepted, and not all expressions are
41 # allowed: only "public" attributes (not starting with '_') of objects may
43 # This is done on purpose: it prevents incidental or malicious execution of
44 # Python code that may break the security of the server.
45 from jinja2.sandbox import SandboxedEnvironment
46 mako_template_env = SandboxedEnvironment(
47 block_start_string="<%",
48 block_end_string="%>",
49 variable_start_string="${",
50 variable_end_string="}",
51 comment_start_string="<%doc>",
52 comment_end_string="</%doc>",
53 line_statement_prefix="%",
54 line_comment_prefix="##",
55 trim_blocks=True, # do not output newline after blocks
56 autoescape=True, # XML/HTML automatic escaping
58 mako_template_env.globals.update({
61 'urlencode': urlencode,
64 # dateutil.relativedelta is an old-style class and cannot be directly
65 # instanciated wihtin a jinja2 expression, so a lambda "proxy" is
66 # is needed, apparently.
67 'relativedelta': lambda *a, **kw : relativedelta.relativedelta(*a, **kw),
70 _logger.warning("jinja2 not available, templating features will not work!")
72 class email_template(osv.osv):
73 "Templates for sending email"
74 _name = "email.template"
75 _description = 'Email Templates'
78 def render_template_batch(self, cr, uid, template, model, res_ids, context=None):
79 """Render the given template text, replace mako expressions ``${expr}``
80 with the result of evaluating these expressions with
81 an evaluation context containing:
83 * ``user``: browse_record of the current user
84 * ``object``: browse_record of the document record this mail is
86 * ``context``: the context passed to the mail composition wizard
88 :param str template: the template text to render
89 :param str model: model name of the document record this mail is related to.
90 :param int res_ids: list of ids of document records those mails are related to.
94 results = dict.fromkeys(res_ids, u"")
96 # try to load the template
98 template = mako_template_env.from_string(tools.ustr(template))
100 _logger.exception("Failed to load template %r", template)
103 # prepare template variables
104 user = self.pool.get('res.users').browse(cr, uid, uid, context=context)
105 records = self.pool[model].browse(cr, uid, res_ids, context=context) or [None]
108 'ctx': context, # context kw would clash with mako internals
110 for record in records:
111 res_id = record.id if record else None
112 variables['object'] = record
114 render_result = template.render(variables)
116 _logger.exception("Failed to render template %r using values %r" % (template, variables))
118 if render_result == u"False":
120 results[res_id] = render_result
123 def get_email_template_batch(self, cr, uid, template_id=False, res_ids=None, context=None):
128 results = dict.fromkeys(res_ids, False)
132 template = self.browse(cr, uid, template_id, context)
133 langs = self.render_template_batch(cr, uid, template.lang, template.model, res_ids, context)
134 for res_id, lang in langs.iteritems():
136 # Use translated template if necessary
139 template = self.browse(cr, uid, template.id, ctx)
141 template = self.browse(cr, uid, int(template_id), context)
142 results[res_id] = template
145 def onchange_model_id(self, cr, uid, ids, model_id, context=None):
148 mod_name = self.pool.get('ir.model').browse(cr, uid, model_id, context).model
149 return {'value': {'model': mod_name}}
152 'name': fields.char('Name'),
153 'model_id': fields.many2one('ir.model', 'Applies to', help="The kind of document with with this template can be used"),
154 'model': fields.related('model_id', 'model', type='char', string='Related Document Model',
155 size=128, select=True, store=True, readonly=True),
156 'lang': fields.char('Language',
157 help="Optional translation language (ISO code) to select when sending out an email. "
158 "If not set, the english version will be used. "
159 "This should usually be a placeholder expression "
160 "that provides the appropriate language code, e.g. "
161 "${object.partner_id.lang.code}.",
162 placeholder="${object.partner_id.lang.code}"),
163 'user_signature': fields.boolean('Add Signature',
164 help="If checked, the user's signature will be appended to the text version "
166 'subject': fields.char('Subject', translate=True, help="Subject (placeholders may be used here)",),
167 'email_from': fields.char('From',
168 help="Sender address (placeholders may be used here). If not set, the default "
169 "value will be the author's email alias if configured, or email address."),
170 'email_to': fields.char('To (Emails)', help="Comma-separated recipient addresses (placeholders may be used here)"),
171 'partner_to': fields.char('To (Partners)',
172 help="Comma-separated ids of recipient partners (placeholders may be used here)",
173 oldname='email_recipients'),
174 'email_cc': fields.char('Cc', help="Carbon copy recipients (placeholders may be used here)"),
175 'reply_to': fields.char('Reply-To', help="Preferred response address (placeholders may be used here)"),
176 'mail_server_id': fields.many2one('ir.mail_server', 'Outgoing Mail Server', readonly=False,
177 help="Optional preferred server for outgoing mails. If not set, the highest "
178 "priority one will be used."),
179 'body_html': fields.text('Body', translate=True, help="Rich-text/HTML version of the message (placeholders may be used here)"),
180 'report_name': fields.char('Report Filename', translate=True,
181 help="Name to use for the generated report file (may contain placeholders)\n"
182 "The extension can be omitted and will then come from the report type."),
183 'report_template': fields.many2one('ir.actions.report.xml', 'Optional report to print and attach'),
184 'ref_ir_act_window': fields.many2one('ir.actions.act_window', 'Sidebar action', readonly=True,
185 help="Sidebar action to make this template available on records "
186 "of the related document model"),
187 'ref_ir_value': fields.many2one('ir.values', 'Sidebar Button', readonly=True,
188 help="Sidebar button to open the sidebar action"),
189 'attachment_ids': fields.many2many('ir.attachment', 'email_template_attachment_rel', 'email_template_id',
190 'attachment_id', 'Attachments',
191 help="You may attach files to this template, to be added to all "
192 "emails created from this template"),
193 'auto_delete': fields.boolean('Auto Delete', help="Permanently delete this email after sending it, to save space"),
195 # Fake fields used to implement the placeholder assistant
196 'model_object_field': fields.many2one('ir.model.fields', string="Field",
197 help="Select target field from the related document model.\n"
198 "If it is a relationship field you will be able to select "
199 "a target field at the destination of the relationship."),
200 'sub_object': fields.many2one('ir.model', 'Sub-model', readonly=True,
201 help="When a relationship field is selected as first field, "
202 "this field shows the document model the relationship goes to."),
203 'sub_model_object_field': fields.many2one('ir.model.fields', 'Sub-field',
204 help="When a relationship field is selected as first field, "
205 "this field lets you select the target field within the "
206 "destination document model (sub-model)."),
207 'null_value': fields.char('Default Value', help="Optional value to use if the target field is empty"),
208 'copyvalue': fields.char('Placeholder Expression', help="Final placeholder expression, to be copy-pasted in the desired template field."),
215 def create_action(self, cr, uid, ids, context=None):
216 action_obj = self.pool.get('ir.actions.act_window')
217 data_obj = self.pool.get('ir.model.data')
218 for template in self.browse(cr, uid, ids, context=context):
219 src_obj = template.model_id.model
220 model_data_id = data_obj._get_id(cr, uid, 'mail', 'email_compose_message_wizard_form')
221 res_id = data_obj.browse(cr, uid, model_data_id, context=context).res_id
222 button_name = _('Send Mail (%s)') % template.name
223 act_id = action_obj.create(cr, SUPERUSER_ID, {
225 'type': 'ir.actions.act_window',
226 'res_model': 'mail.compose.message',
227 'src_model': src_obj,
229 'context': "{'default_composition_mode': 'mass_mail', 'default_template_id' : %d, 'default_use_template': True}" % (template.id),
230 'view_mode':'form,tree',
235 ir_values_id = self.pool.get('ir.values').create(cr, SUPERUSER_ID, {
238 'key2': 'client_action_multi',
239 'value': "ir.actions.act_window,%s" % act_id,
244 'ref_ir_act_window': act_id,
245 'ref_ir_value': ir_values_id,
250 def unlink_action(self, cr, uid, ids, context=None):
251 for template in self.browse(cr, uid, ids, context=context):
253 if template.ref_ir_act_window:
254 self.pool.get('ir.actions.act_window').unlink(cr, SUPERUSER_ID, template.ref_ir_act_window.id, context)
255 if template.ref_ir_value:
256 ir_values_obj = self.pool.get('ir.values')
257 ir_values_obj.unlink(cr, SUPERUSER_ID, template.ref_ir_value.id, context)
259 raise osv.except_osv(_("Warning"), _("Deletion of the action record failed."))
262 def unlink(self, cr, uid, ids, context=None):
263 self.unlink_action(cr, uid, ids, context=context)
264 return super(email_template, self).unlink(cr, uid, ids, context=context)
266 def copy(self, cr, uid, id, default=None, context=None):
267 template = self.browse(cr, uid, id, context=context)
270 default = default.copy()
272 name=_("%s (copy)") % (template.name),
273 ref_ir_act_window=False,
275 return super(email_template, self).copy(cr, uid, id, default, context)
277 def build_expression(self, field_name, sub_field_name, null_value):
278 """Returns a placeholder expression for use in a template field,
279 based on the values provided in the placeholder assistant.
281 :param field_name: main field name
282 :param sub_field_name: sub field name (M2O)
283 :param null_value: default value if the target value is empty
284 :return: final placeholder expression
288 expression = "${object." + field_name
290 expression += "." + sub_field_name
292 expression += " or '''%s'''" % null_value
296 def onchange_sub_model_object_value_field(self, cr, uid, ids, model_object_field, sub_model_object_field=False, null_value=None, context=None):
300 'sub_model_object_field': False,
303 if model_object_field:
304 fields_obj = self.pool.get('ir.model.fields')
305 field_value = fields_obj.browse(cr, uid, model_object_field, context)
306 if field_value.ttype in ['many2one', 'one2many', 'many2many']:
307 res_ids = self.pool.get('ir.model').search(cr, uid, [('model', '=', field_value.relation)], context=context)
308 sub_field_value = False
309 if sub_model_object_field:
310 sub_field_value = fields_obj.browse(cr, uid, sub_model_object_field, context)
313 'sub_object': res_ids[0],
314 'copyvalue': self.build_expression(field_value.name, sub_field_value and sub_field_value.name or False, null_value or False),
315 'sub_model_object_field': sub_model_object_field or False,
316 'null_value': null_value or False
320 'copyvalue': self.build_expression(field_value.name, False, null_value or False),
321 'null_value': null_value or False
323 return {'value': result}
325 def generate_email_batch(self, cr, uid, template_id, res_ids, context=None, fields=None):
326 """Generates an email from the template for given the given model based on
327 records given by res_ids.
329 :param template_id: id of the template to render.
330 :param res_id: id of the record to use for rendering the template (model
331 is taken from template definition)
332 :returns: a dict containing all relevant fields for creating a new
333 mail.mail entry, with one extra key ``attachments``, in the
334 format expected by :py:meth:`mail_thread.message_post`.
339 fields = ['subject', 'body_html', 'email_from', 'email_to', 'partner_to', 'email_cc', 'reply_to']
341 report_xml_pool = self.pool.get('ir.actions.report.xml')
342 res_ids_to_templates = self.get_email_template_batch(cr, uid, template_id, res_ids, context)
344 # templates: res_id -> template; template -> res_ids
345 templates_to_res_ids = {}
346 for res_id, template in res_ids_to_templates.iteritems():
347 templates_to_res_ids.setdefault(template, []).append(res_id)
350 for template, template_res_ids in templates_to_res_ids.iteritems():
351 # generate fields value for all res_ids linked to the current template
352 for field in ['subject', 'body_html', 'email_from', 'email_to', 'partner_to', 'email_cc', 'reply_to']:
353 generated_field_values = self.render_template_batch(cr, uid, getattr(template, field), template.model, template_res_ids, context=context)
354 for res_id, field_value in generated_field_values.iteritems():
355 results.setdefault(res_id, dict())[field] = field_value
356 # update values for all res_ids
357 for res_id in template_res_ids:
358 values = results[res_id]
359 if template.user_signature:
360 signature = self.pool.get('res.users').browse(cr, uid, uid, context).signature
361 values['body_html'] = tools.append_content_to_html(values['body_html'], signature)
362 if values['body_html']:
363 values['body'] = tools.html_sanitize(values['body_html'])
365 mail_server_id=template.mail_server_id.id or False,
366 auto_delete=template.auto_delete,
367 model=template.model,
368 res_id=res_id or False,
369 attachment_ids=[attach.id for attach in template.attachment_ids],
372 # Add report in attachments
373 if template.report_template:
374 for res_id in template_res_ids:
376 report_name = self.render_template(cr, uid, template.report_name, template.model, res_id, context=context)
377 report_service = report_xml_pool.browse(cr, uid, template.report_template.id, context).report_name
378 # Ensure report is rendered using template's language
381 ctx['lang'] = self.render_template_batch(cr, uid, template.lang, template.model, res_id, context) # take 0 ?
382 result, format = openerp.report.render_report(cr, uid, [res_id], report_service, {'model': template.model}, ctx)
383 result = base64.b64encode(result)
385 report_name = 'report.' + report_service
387 if not report_name.endswith(ext):
389 attachments.append((report_name, result))
391 values['attachments'] = attachments
395 def send_mail(self, cr, uid, template_id, res_id, force_send=False, raise_exception=False, context=None):
396 """Generates a new mail message for the given template and record,
397 and schedules it for delivery through the ``mail`` module's scheduler.
399 :param int template_id: id of the template to render
400 :param int res_id: id of the record to render the template with
401 (model is taken from the template)
402 :param bool force_send: if True, the generated mail.message is
403 immediately sent after being created, as if the scheduler
404 was executed for this message only.
405 :returns: id of the mail.message that was created
409 mail_mail = self.pool.get('mail.mail')
410 ir_attachment = self.pool.get('ir.attachment')
412 # create a mail_mail based on values, without attachments
413 values = self.generate_email(cr, uid, template_id, res_id, context=context)
414 assert values.get('email_from'), 'email_from is missing or empty after template rendering, send_mail() cannot proceed'
415 del values['partner_to'] # TODO Properly use them.
416 attachment_ids = values.pop('attachment_ids', [])
417 attachments = values.pop('attachments', [])
418 msg_id = mail_mail.create(cr, uid, values, context=context)
419 mail = mail_mail.browse(cr, uid, msg_id, context=context)
422 for attachment in attachments:
424 'name': attachment[0],
425 'datas_fname': attachment[0],
426 'datas': attachment[1],
427 'res_model': 'mail.message',
428 'res_id': mail.mail_message_id.id,
430 context.pop('default_type', None)
431 attachment_ids.append(ir_attachment.create(cr, uid, attachment_data, context=context))
433 values['attachment_ids'] = [(6, 0, attachment_ids)]
434 mail_mail.write(cr, uid, msg_id, {'attachment_ids': [(6, 0, attachment_ids)]}, context=context)
437 mail_mail.send(cr, uid, [msg_id], raise_exception=raise_exception, context=context)
440 # Compatibility method
441 def render_template(self, cr, uid, template, model, res_id, context=None):
442 return self.render_template_batch(cr, uid, template, model, [res_id], context)[res_id]
444 def get_email_template(self, cr, uid, template_id=False, record_id=None, context=None):
445 return self.get_email_template_batch(cr, uid, template_id, [record_id], context)[record_id]
447 def generate_email(self, cr, uid, template_id, res_id, context=None):
448 return self.generate_email_batch(cr, uid, template_id, [res_id], context)[res_id]
450 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: