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 ##############################################################################
28 from osv import fields
30 from tools.translate import _
31 from urllib import quote as quote
32 _logger = logging.getLogger(__name__)
35 from mako.template import Template as MakoTemplate
37 _logger.warning("email_template: mako templates not available, templating features will not work!")
39 class email_template(osv.osv):
40 "Templates for sending email"
41 _inherit = 'mail.message'
42 _name = "email.template"
43 _description = 'Email Templates'
44 _rec_name = 'name' # override mail.message's behavior
46 def render_template(self, cr, uid, template, model, res_id, context=None):
47 """Render the given template text, replace mako expressions ``${expr}``
48 with the result of evaluating these expressions with
49 an evaluation context containing:
51 * ``user``: browse_record of the current user
52 * ``object``: browse_record of the document record this mail is
54 * ``context``: the context passed to the mail composition wizard
56 :param str template: the template text to render
57 :param str model: model name of the document record this mail is related to.
58 :param int res_id: id of the document record this mail is related to.
60 if not template: return u""
64 template = tools.ustr(template)
67 record = self.pool.get(model).browse(cr, uid, res_id, context=context)
68 user = self.pool.get('res.users').browse(cr, uid, uid, context=context)
69 result = MakoTemplate(template).render_unicode(object=record,
71 # context kw would clash with mako internals
74 format_exceptions=True)
75 if result == u'False':
79 _logger.exception("failed to render mako template value %r", template)
82 def get_email_template(self, cr, uid, template_id=False, record_id=None, context=None):
87 template = self.browse(cr, uid, template_id, context)
88 lang = self.render_template(cr, uid, template.lang, template.model, record_id, context)
90 # Use translated template if necessary
93 template = self.browse(cr, uid, template.id, ctx)
95 template = self.browse(cr, uid, int(template_id), context)
98 def onchange_model_id(self, cr, uid, ids, model_id, context=None):
101 mod_name = self.pool.get('ir.model').browse(cr, uid, model_id, context).model
102 return {'value':{'model': mod_name}}
105 'name': fields.char('Name', size=250),
106 'model_id': fields.many2one('ir.model', 'Related document model'),
107 'lang': fields.char('Language Selection', size=250,
108 help="Optional translation language (ISO code) to select when sending out an email. "
109 "If not set, the english version will be used. "
110 "This should usually be a placeholder expression "
111 "that provides the appropriate language code, e.g. "
112 "${object.partner_id.lang.code}."),
113 'user_signature': fields.boolean('Add Signature',
114 help="If checked, the user's signature will be appended to the text version "
116 'report_name': fields.char('Report Filename', size=200, translate=True,
117 help="Name to use for the generated report file (may contain placeholders)\n"
118 "The extension can be omitted and will then come from the report type."),
119 'report_template':fields.many2one('ir.actions.report.xml', 'Optional report to print and attach'),
120 'ref_ir_act_window':fields.many2one('ir.actions.act_window', 'Sidebar action', readonly=True,
121 help="Sidebar action to make this template available on records "
122 "of the related document model"),
123 'ref_ir_value':fields.many2one('ir.values', 'Sidebar Button', readonly=True,
124 help="Sidebar button to open the sidebar action"),
125 'track_campaign_item': fields.boolean('Resource Tracking',
126 help="Enable this is you wish to include a special tracking marker "
127 "in outgoing emails so you can identify replies and link "
128 "them back to the corresponding resource record. "
129 "This is useful for CRM leads for example"),
131 # Overridden mail.message.common fields for technical reasons:
132 'model': fields.related('model_id','model', type='char', string='Related Document Model',
133 size=128, select=True, store=True, readonly=True),
134 # we need a separate m2m table to avoid ID collisions with the original mail.message entries
135 'attachment_ids': fields.many2many('ir.attachment', 'email_template_attachment_rel', 'email_template_id',
136 'attachment_id', 'Files to attach',
137 help="You may attach files to this template, to be added to all "
138 "emails created from this template"),
140 # Overridden mail.message.common fields to make tooltips more appropriate:
141 'subject':fields.char('Subject', size=512, translate=True, help="Subject (placeholders may be used here)",),
142 'email_from': fields.char('From', size=128, help="Sender address (placeholders may be used here)"),
143 'email_to': fields.char('To', size=256, help="Comma-separated recipient addresses (placeholders may be used here)"),
144 'email_cc': fields.char('Cc', size=256, help="Carbon copy recipients (placeholders may be used here)"),
145 'email_bcc': fields.char('Bcc', size=256, help="Blind carbon copy recipients (placeholders may be used here)"),
146 'reply_to': fields.char('Reply-To', size=250, help="Preferred response address (placeholders may be used here)"),
147 'mail_server_id': fields.many2one('ir.mail_server', 'Outgoing Mail Server', readonly=False,
148 help="Optional preferred server for outgoing mails. If not set, the highest "
149 "priority one will be used."),
150 'body_text': fields.text('Text Contents', translate=True, help="Plaintext version of the message (placeholders may be used here)"),
151 'body_html': fields.text('Rich-text Contents', translate=True, help="Rich-text/HTML version of the message (placeholders may be used here)"),
152 'message_id': fields.char('Message-Id', size=256, help="Message-ID SMTP header to use in outgoing messages based on this template. "
153 "Please note that this overrides the 'Resource Tracking' option, "
154 "so if you simply need to track replies to outgoing emails, enable "
155 "that option instead.\n"
156 "Placeholders must be used here, as this value always needs to be unique!"),
158 # Fake fields used to implement the placeholder assistant
159 'model_object_field': fields.many2one('ir.model.fields', string="Field",
160 help="Select target field from the related document model.\n"
161 "If it is a relationship field you will be able to select "
162 "a target field at the destination of the relationship."),
163 'sub_object': fields.many2one('ir.model', 'Sub-model', readonly=True,
164 help="When a relationship field is selected as first field, "
165 "this field shows the document model the relationship goes to."),
166 'sub_model_object_field': fields.many2one('ir.model.fields', 'Sub-field',
167 help="When a relationship field is selected as first field, "
168 "this field lets you select the target field within the "
169 "destination document model (sub-model)."),
170 'null_value': fields.char('Null value', help="Optional value to use if the target field is empty", size=128),
171 'copyvalue': fields.char('Expression', size=256, help="Final placeholder expression, to be copy-pasted in the desired template field."),
175 'track_campaign_item': True
178 def create_action(self, cr, uid, ids, context=None):
180 action_obj = self.pool.get('ir.actions.act_window')
181 data_obj = self.pool.get('ir.model.data')
182 for template in self.browse(cr, uid, ids, context=context):
183 src_obj = template.model_id.model
184 model_data_id = data_obj._get_id(cr, uid, 'mail', 'email_compose_message_wizard_form')
185 res_id = data_obj.browse(cr, uid, model_data_id, context=context).res_id
186 button_name = _('Send Mail (%s)') % template.name
187 vals['ref_ir_act_window'] = action_obj.create(cr, uid, {
189 'type': 'ir.actions.act_window',
190 'res_model': 'mail.compose.message',
191 'src_model': src_obj,
193 'context': "{'mail.compose.message.mode':'mass_mail', 'mail.compose.template_id' : %d}" % (template.id),
194 'view_mode':'form,tree',
199 vals['ref_ir_value'] = self.pool.get('ir.values').create(cr, uid, {
202 'key2': 'client_action_multi',
203 'value': "ir.actions.act_window," + str(vals['ref_ir_act_window']),
206 self.write(cr, uid, ids, {
207 'ref_ir_act_window': vals.get('ref_ir_act_window',False),
208 'ref_ir_value': vals.get('ref_ir_value',False),
212 def unlink_action(self, cr, uid, ids, context=None):
213 for template in self.browse(cr, uid, ids, context=context):
215 if template.ref_ir_act_window:
216 self.pool.get('ir.actions.act_window').unlink(cr, uid, template.ref_ir_act_window.id, context)
217 if template.ref_ir_value:
218 ir_values_obj = self.pool.get('ir.values')
219 ir_values_obj.unlink(cr, uid, template.ref_ir_value.id, context)
221 raise osv.except_osv(_("Warning"), _("Deletion of the action record failed."))
224 def unlink(self, cr, uid, ids, context=None):
225 self.unlink_action(cr, uid, ids, context=context)
226 return super(email_template, self).unlink(cr, uid, ids, context=context)
228 def copy(self, cr, uid, id, default=None, context=None):
229 template = self.browse(cr, uid, id, context=context)
232 default = default.copy()
233 default['name'] = template.name + _('(copy)')
234 return super(email_template, self).copy(cr, uid, id, default, context)
236 def build_expression(self, field_name, sub_field_name, null_value):
237 """Returns a placeholder expression for use in a template field,
238 based on the values provided in the placeholder assistant.
240 :param field_name: main field name
241 :param sub_field_name: sub field name (M2O)
242 :param null_value: default value if the target value is empty
243 :return: final placeholder expression
247 expression = "${object." + field_name
249 expression += "." + sub_field_name
251 expression += " or '''%s'''" % null_value
255 def onchange_sub_model_object_value_field(self, cr, uid, ids, model_object_field, sub_model_object_field=False, null_value=None, context=None):
259 'sub_model_object_field': False,
262 if model_object_field:
263 fields_obj = self.pool.get('ir.model.fields')
264 field_value = fields_obj.browse(cr, uid, model_object_field, context)
265 if field_value.ttype in ['many2one', 'one2many', 'many2many']:
266 res_ids = self.pool.get('ir.model').search(cr, uid, [('model', '=', field_value.relation)], context=context)
267 sub_field_value = False
268 if sub_model_object_field:
269 sub_field_value = fields_obj.browse(cr, uid, sub_model_object_field, context)
272 'sub_object': res_ids[0],
273 'copyvalue': self.build_expression(field_value.name, sub_field_value and sub_field_value.name or False, null_value or False),
274 'sub_model_object_field': sub_model_object_field or False,
275 'null_value': null_value or False
279 'copyvalue': self.build_expression(field_value.name, False, null_value or False),
280 'null_value': null_value or False
282 return {'value':result}
285 def generate_email(self, cr, uid, template_id, res_id, context=None):
286 """Generates an email from the template for given (model, res_id) pair.
288 :param template_id: id of the template to render.
289 :param res_id: id of the record to use for rendering the template (model
290 is taken from template definition)
291 :returns: a dict containing all relevant fields for creating a new
292 mail.message entry, with the addition one additional
293 special key ``attachments`` containing a list of
306 'auto_delete': False,
309 'mail_server_id': False,
310 'attachments': False,
311 'attachment_ids': False,
319 report_xml_pool = self.pool.get('ir.actions.report.xml')
320 template = self.get_email_template(cr, uid, template_id, res_id, context)
322 for field in ['subject', 'body_text', 'body_html', 'email_from',
323 'email_to', 'email_cc', 'email_bcc', 'reply_to',
325 values[field] = self.render_template(cr, uid, getattr(template, field),
326 template.model, res_id, context=context) \
329 if values['body_html']:
330 values.update(subtype='html')
332 if template.user_signature:
333 signature = self.pool.get('res.users').browse(cr, uid, uid, context).signature
334 values['body_text'] += '\n\n' + signature
336 values.update(mail_server_id = template.mail_server_id.id or False,
337 auto_delete = template.auto_delete,
338 model=template.model,
339 res_id=res_id or False)
342 # Add report as a Document
343 if template.report_template:
344 report_name = self.render_template(cr, uid, template.report_name, template.model, res_id, context=context)
345 report_service = 'report.' + report_xml_pool.browse(cr, uid, template.report_template.id, context).report_name
346 # Ensure report is rendered using template's language
349 ctx['lang'] = self.render_template(cr, uid, template.lang, template.model, res_id, context)
350 service = netsvc.LocalService(report_service)
351 (result, format) = service.create(cr, uid, [res_id], {'model': template.model}, ctx)
352 result = base64.b64encode(result)
354 report_name = report_service
356 if not report_name.endswith(ext):
358 attachments[report_name] = result
360 # Add document attachments
361 for attach in template.attachment_ids:
362 # keep the bytes as fetched from the db, base64 encoded
363 attachments[attach.datas_fname] = attach.datas
365 values['attachments'] = attachments
368 def send_mail(self, cr, uid, template_id, res_id, force_send=False, context=None):
369 """Generates a new mail message for the given template and record,
370 and schedules it for delivery through the ``mail`` module's scheduler.
372 :param int template_id: id of the template to render
373 :param int res_id: id of the record to render the template with
374 (model is taken from the template)
375 :param bool force_send: if True, the generated mail.message is
376 immediately sent after being created, as if the scheduler
377 was executed for this message only.
378 :returns: id of the mail.message that was created
380 if context is None: context = {}
381 mail_message = self.pool.get('mail.message')
382 ir_attachment = self.pool.get('ir.attachment')
383 values = self.generate_email(cr, uid, template_id, res_id, context=context)
384 assert 'email_from' in values, 'email_from is missing or empty after template rendering, send_mail() cannot proceed'
385 attachments = values.pop('attachments') or {}
386 msg_id = mail_message.create(cr, uid, values, context=context)
389 for fname, fcontent in attachments.iteritems():
392 'datas_fname': fname,
394 'res_model': mail_message._name,
397 context.pop('default_type', None)
398 attachment_ids.append(ir_attachment.create(cr, uid, attachment_data, context=context))
400 mail_message.write(cr, uid, msg_id, {'attachment_ids': [(6, 0, attachment_ids)]}, context=context)
402 mail_message.send(cr, uid, [msg_id], context=context)
405 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: