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
34 from mako.template import Template as MakoTemplate
36 logging.getLogger('init').warning("email_template: mako templates not available, templating features will not work!")
38 class email_template(osv.osv):
39 "Templates for sending email"
40 _inherit = 'mail.message'
41 _name = "email.template"
42 _description = 'Email Templates'
43 _rec_name = 'name' # override mail.message's behavior
45 def render_template(self, cr, uid, template, model, res_id, context=None):
46 """Render the given template text, replace mako expressions ``${expr}``
47 with the result of evaluating these expressions with
48 an evaluation context containing:
50 * ``user``: browse_record of the current user
51 * ``object``: browse_record of the document record this mail is
53 * ``context``: the context passed to the mail composition wizard
55 :param str template: the template text to render
56 :param str model: model name of the document record this mail is related to.
57 :param int res_id: id of the document record this mail is related to.
59 if not template: return u""
61 template = tools.ustr(template)
64 record = self.pool.get(model).browse(cr, uid, res_id, context=context)
65 user = self.pool.get('res.users').browse(cr, uid, uid, context=context)
66 result = MakoTemplate(template).render_unicode(object=record,
68 # context kw would clash with mako internals
71 format_exceptions=True)
72 if result == u'False':
76 logging.exception("failed to render mako template value %r", template)
79 def get_email_template(self, cr, uid, template_id=False, record_id=None, context=None):
84 template = self.browse(cr, uid, template_id, context)
85 lang = self.render_template(cr, uid, template.lang, template.model, record_id, context)
87 # Use translated template if necessary
90 template = self.browse(cr, uid, template.id, ctx)
92 template = self.browse(cr, uid, int(template_id), context)
95 def onchange_model_id(self, cr, uid, ids, model_id, context=None):
98 mod_name = self.pool.get('ir.model').browse(cr, uid, model_id, context).model
99 return {'value':{'model': mod_name}}
102 'name': fields.char('Name', size=250),
103 'model_id': fields.many2one('ir.model', 'Related document model'),
104 'lang': fields.char('Language Selection', size=250,
105 help="Optional translation language (ISO code) to select when sending out an email. "
106 "If not set, the english version will be used. "
107 "This should usually be a placeholder expression "
108 "that provides the appropriate language code, e.g. "
109 "${object.partner_id.lang.code}."),
110 'user_signature': fields.boolean('Add Signature',
111 help="If checked, the user's signature will be appended to the text version "
113 'report_name': fields.char('Report Filename', size=200, translate=True,
114 help="Name to use for the generated report file (may contain placeholders)\n"
115 "The extension can be omitted and will then come from the report type."),
116 'report_template':fields.many2one('ir.actions.report.xml', 'Optional report to print and attach'),
117 'ref_ir_act_window':fields.many2one('ir.actions.act_window', 'Sidebar action', readonly=True,
118 help="Sidebar action to make this template available on records "
119 "of the related document model"),
120 'ref_ir_value':fields.many2one('ir.values', 'Sidebar button', readonly=True,
121 help="Sidebar button to open the sidebar action"),
122 'track_campaign_item': fields.boolean('Resource Tracking',
123 help="Enable this is you wish to include a special tracking marker "
124 "in outgoing emails so you can identify replies and link "
125 "them back to the corresponding resource record. "
126 "This is useful for CRM leads for example"),
128 # Overridden mail.message.common fields for technical reasons:
129 'model': fields.related('model_id','model', type='char', string='Related Document model',
130 size=128, select=True, store=True, readonly=True),
131 # we need a separate m2m table to avoid ID collisions with the original mail.message entries
132 'attachment_ids': fields.many2many('ir.attachment', 'email_template_attachment_rel', 'email_template_id',
133 'attachment_id', 'Files to attach',
134 help="You may attach files to this template, to be added to all "
135 "emails created from this template"),
137 # Overridden mail.message.common fields to make tooltips more appropriate:
138 'subject':fields.char('Subject', size=512, translate=True, help="Subject (placeholders may be used here)",),
139 'email_from': fields.char('From', size=128, help="Sender address (placeholders may be used here)"),
140 'email_to': fields.char('To', size=256, help="Comma-separated recipient addresses (placeholders may be used here)"),
141 'email_cc': fields.char('Cc', size=256, help="Carbon copy recipients (placeholders may be used here)"),
142 'email_bcc': fields.char('Bcc', size=256, help="Blind carbon copy recipients (placeholders may be used here)"),
143 'reply_to': fields.char('Reply-To', size=250, help="Preferred response address (placeholders may be used here)"),
144 'mail_server_id': fields.many2one('ir.mail_server', 'Outgoing Mail Server', readonly=False,
145 help="Optional preferred server for outgoing mails. If not set, the highest "
146 "priority one will be used."),
147 'body_text': fields.text('Text contents', translate=True, help="Plaintext version of the message (placeholders may be used here)"),
148 'body_html': fields.text('Rich-text contents', help="Rich-text/HTML version of the message (placeholders may be used here)"),
149 'message_id': fields.char('Message-Id', size=256, help="Message-ID SMTP header to use in outgoing messages based on this template. "
150 "Please note that this overrides the 'Resource Tracking' option, "
151 "so if you simply need to track replies to outgoing emails, enable "
152 "that option instead.\n"
153 "Placeholders must be used here, as this value always needs to be unique!"),
155 # Fake fields used to implement the placeholder assistant
156 'model_object_field': fields.many2one('ir.model.fields', string="Field",
157 help="Select target field from the related document model.\n"
158 "If it is a relationship field you will be able to select "
159 "a target field at the destination of the relationship."),
160 'sub_object': fields.many2one('ir.model', 'Sub-model', readonly=True,
161 help="When a relationship field is selected as first field, "
162 "this field shows the document model the relationship goes to."),
163 'sub_model_object_field': fields.many2one('ir.model.fields', 'Sub-field',
164 help="When a relationship field is selected as first field, "
165 "this field lets you select the target field within the "
166 "destination document model (sub-model)."),
167 'null_value': fields.char('Null value', help="Optional value to use if the target field is empty", size=128),
168 'copyvalue': fields.char('Expression', size=256, help="Final placeholder expression, to be copy-pasted in the desired template field."),
172 'track_campaign_item': True
175 def create_action(self, cr, uid, ids, context=None):
177 action_obj = self.pool.get('ir.actions.act_window')
178 data_obj = self.pool.get('ir.model.data')
179 for template in self.browse(cr, uid, ids, context=context):
180 src_obj = template.model_id.model
181 model_data_id = data_obj._get_id(cr, uid, 'mail', 'email_compose_message_wizard_form')
182 res_id = data_obj.browse(cr, uid, model_data_id, context=context).res_id
183 button_name = _('Send Mail (%s)') % template.name
184 vals['ref_ir_act_window'] = action_obj.create(cr, uid, {
186 'type': 'ir.actions.act_window',
187 'res_model': 'mail.compose.message',
188 'src_model': src_obj,
190 'context': "{'mail.compose.message.mode':'mass_mail', 'mail.compose.template_id' : %d}" % (template.id),
191 'view_mode':'form,tree',
196 vals['ref_ir_value'] = self.pool.get('ir.values').create(cr, uid, {
199 'key2': 'client_action_multi',
200 'value': "ir.actions.act_window," + str(vals['ref_ir_act_window']),
203 self.write(cr, uid, ids, {
204 'ref_ir_act_window': vals.get('ref_ir_act_window',False),
205 'ref_ir_value': vals.get('ref_ir_value',False),
209 def unlink_action(self, cr, uid, ids, context=None):
210 for template in self.browse(cr, uid, ids, context=context):
212 if template.ref_ir_act_window:
213 self.pool.get('ir.actions.act_window').unlink(cr, uid, template.ref_ir_act_window.id, context)
214 if template.ref_ir_value:
215 ir_values_obj = self.pool.get('ir.values')
216 ir_values_obj.unlink(cr, uid, template.ref_ir_value.id, context)
218 raise osv.except_osv(_("Warning"), _("Deletion of the action record failed."))
221 def unlink(self, cr, uid, ids, context=None):
222 self.unlink_action(cr, uid, ids, context=context)
223 return super(email_template, self).unlink(cr, uid, ids, context=context)
225 def copy(self, cr, uid, id, default=None, context=None):
226 template = self.browse(cr, uid, id, context=context)
229 default = default.copy()
230 default['name'] = template.name + _('(copy)')
231 return super(email_template, self).copy(cr, uid, id, default, context)
233 def build_expression(self, field_name, sub_field_name, null_value):
234 """Returns a placeholder expression for use in a template field,
235 based on the values provided in the placeholder assistant.
237 :param field_name: main field name
238 :param sub_field_name: sub field name (M2O)
239 :param null_value: default value if the target value is empty
240 :return: final placeholder expression
244 expression = "${object." + field_name
246 expression += "." + sub_field_name
248 expression += " or '''%s'''" % null_value
252 def onchange_sub_model_object_value_field(self, cr, uid, ids, model_object_field, sub_model_object_field=False, null_value=None, context=None):
256 'sub_model_object_field': False,
259 if model_object_field:
260 fields_obj = self.pool.get('ir.model.fields')
261 field_value = fields_obj.browse(cr, uid, model_object_field, context)
262 if field_value.ttype in ['many2one', 'one2many', 'many2many']:
263 res_ids = self.pool.get('ir.model').search(cr, uid, [('model', '=', field_value.relation)], context=context)
264 sub_field_value = False
265 if sub_model_object_field:
266 sub_field_value = fields_obj.browse(cr, uid, sub_model_object_field, context)
269 'sub_object': res_ids[0],
270 'copyvalue': self.build_expression(field_value.name, sub_field_value and sub_field_value.name or False, null_value or False),
271 'sub_model_object_field': sub_model_object_field or False,
272 'null_value': null_value or False
276 'copyvalue': self.build_expression(field_value.name, False, null_value or False),
277 'null_value': null_value or False
279 return {'value':result}
282 def generate_email(self, cr, uid, template_id, res_id, context=None):
283 """Generates an email from the template for given (model, res_id) pair.
285 :param template_id: id of the template to render.
286 :param res_id: id of the record to use for rendering the template (model
287 is taken from template definition)
288 :returns: a dict containing all relevant fields for creating a new
289 mail.message entry, with the addition one additional
290 special key ``attachments`` containing a list of
303 'auto_delete': False,
306 'mail_server_id': False,
307 'attachments': False,
308 'attachment_ids': False,
316 report_xml_pool = self.pool.get('ir.actions.report.xml')
317 template = self.get_email_template(cr, uid, template_id, res_id, context)
319 for field in ['subject', 'body_text', 'body_html', 'email_from',
320 'email_to', 'email_cc', 'email_bcc', 'reply_to',
322 values[field] = self.render_template(cr, uid, getattr(template, field),
323 template.model, res_id, context=context) \
326 if values['body_html']:
327 values.update(subtype='html')
329 if template.user_signature:
330 signature = self.pool.get('res.users').browse(cr, uid, uid, context).signature
331 values['body_text'] += '\n\n' + signature
333 values.update(mail_server_id = template.mail_server_id.id or False,
334 auto_delete = template.auto_delete,
335 model=template.model,
336 res_id=res_id or False)
339 # Add report as a Document
340 if template.report_template:
341 report_name = template.report_name
342 report_service = 'report.' + report_xml_pool.browse(cr, uid, template.report_template.id, context).report_name
343 # Ensure report is rendered using template's language
346 ctx['lang'] = self.render_template(cr, uid, template.lang, template.model, res_id, context)
347 service = netsvc.LocalService(report_service)
348 (result, format) = service.create(cr, uid, [res_id], {'model': template.model}, ctx)
349 result = base64.b64encode(result)
351 report_name = report_service
353 if not report_name.endswith(ext):
355 attachments[report_name] = result
357 # Add document attachments
358 for attach in template.attachment_ids:
359 # keep the bytes as fetched from the db, base64 encoded
360 attachments[attach.datas_fname] = attach.datas
362 values['attachments'] = attachments
365 def send_mail(self, cr, uid, template_id, res_id, force_send=False, context=None):
366 """Generates a new mail message for the given template and record,
367 and schedules it for delivery through the ``mail`` module's scheduler.
369 :param int template_id: id of the template to render
370 :param int res_id: id of the record to render the template with
371 (model is taken from the template)
372 :param bool force_send: if True, the generated mail.message is
373 immediately sent after being created, as if the scheduler
374 was executed for this message only.
375 :returns: id of the mail.message that was created
377 mail_message = self.pool.get('mail.message')
378 ir_attachment = self.pool.get('ir.attachment')
379 values = self.generate_email(cr, uid, template_id, res_id, context=context)
380 assert 'email_from' in values, 'email_from is missing or empty after template rendering, send_mail() cannot proceed'
381 attachments = values.pop('attachments') or {}
382 msg_id = mail_message.create(cr, uid, values, context=context)
385 for fname, fcontent in attachments.iteritems():
388 'datas_fname': fname,
390 'res_model': mail_message._name,
393 if context.has_key('default_type'):
394 del context['default_type']
395 attachment_ids.append(ir_attachment.create(cr, uid, attachment_data, context=context))
397 mail_message.send(cr, uid, [msg_id], context=context)
400 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: