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# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.
from odoo import api, fields, models
from odoo.exceptions import UserError
class MailTemplatePreview(models.TransientModel):
_name = 'mail.template.preview'
_description = 'Email Template Preview'
_MAIL_TEMPLATE_FIELDS = ['subject', 'body_html', 'email_from', 'email_to',
'email_cc', 'reply_to', 'scheduled_date', 'attachment_ids']
@api.model
def _selection_target_model(self):
return [(model.model, model.name) for model in self.env['ir.model'].search([])]
@api.model
def _selection_languages(self):
return self.env['res.lang'].get_installed()
@api.model
def default_get(self, fields):
result = super(MailTemplatePreview, self).default_get(fields)
if not result.get('mail_template_id') or 'resource_ref' not in fields:
return result
mail_template = self.env['mail.template'].browse(result['mail_template_id'])
res = self.env[mail_template.model_id.model].search([], limit=1)
if res:
result['resource_ref'] = '%s,%s' % (mail_template.model_id.model, res.id)
return result
mail_template_id = fields.Many2one('mail.template', string='Related Mail Template', required=True)
model_id = fields.Many2one('ir.model', string='Targeted model', related="mail_template_id.model_id")
resource_ref = fields.Reference(string='Record', selection='_selection_target_model')
lang = fields.Selection(_selection_languages, string='Template Preview Language')
no_record = fields.Boolean('No Record', compute='_compute_no_record')
error_msg = fields.Char('Error Message', readonly=True)
# Fields same than the mail.template model, computed with resource_ref and lang
subject = fields.Char('Subject', compute='_compute_mail_template_fields')
email_from = fields.Char('From', compute='_compute_mail_template_fields', help="Sender address")
email_to = fields.Char('To', compute='_compute_mail_template_fields',
help="Comma-separated recipient addresses")
email_cc = fields.Char('Cc', compute='_compute_mail_template_fields', help="Carbon copy recipients")
reply_to = fields.Char('Reply-To', compute='_compute_mail_template_fields', help="Preferred response address")
scheduled_date = fields.Char('Scheduled Date', compute='_compute_mail_template_fields',
help="The queue manager will send the email after the date")
body_html = fields.Html('Body', compute='_compute_mail_template_fields', sanitize=False)
attachment_ids = fields.Many2many('ir.attachment', 'Attachments', compute='_compute_mail_template_fields')
# Extra fields info generated by generate_email
partner_ids = fields.Many2many('res.partner', string='Recipients', compute='_compute_mail_template_fields')
@api.depends('model_id')
def _compute_no_record(self):
for preview in self:
preview.no_record = (self.env[preview.model_id.model].search_count([]) == 0) if preview.model_id else True
@api.depends('lang', 'resource_ref')
def _compute_mail_template_fields(self):
""" Preview the mail template (body, subject, ...) depending of the language and
the record reference, more precisely the record id for the defined model of the mail template.
If no record id is selectable/set, the jinja placeholders won't be replace in the display information. """
copy_depends_values = {'lang': self.lang}
mail_template = self.mail_template_id.with_context(lang=self.lang)
try:
if not self.resource_ref:
self._set_mail_attributes()
else:
copy_depends_values['resource_ref'] = '%s,%s' % (self.resource_ref._name, self.resource_ref.id)
mail_values = mail_template.with_context(template_preview_lang=self.lang).generate_email(
self.resource_ref.id, self._MAIL_TEMPLATE_FIELDS)
self._set_mail_attributes(values=mail_values)
self.error_msg = False
except UserError as user_error:
self._set_mail_attributes()
self.error_msg = user_error.args[0]
finally:
# Avoid to be change by a invalidate_cache call (in generate_mail), e.g. Quotation / Order report
for key, value in copy_depends_values.items():
self[key] = value
def _set_mail_attributes(self, values=None):
for field in self._MAIL_TEMPLATE_FIELDS:
field_value = values.get(field, False) if values else self.mail_template_id[field]
self[field] = field_value
self.partner_ids = values.get('partner_ids', False) if values else False
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