# -*- coding: utf-8 -*-
import base64
import copy
import datetime
import dateutil.relativedelta as relativedelta
import logging
import lxml
import urlparse
import openerp
from urllib import urlencode, quote as quote
from openerp import _, api, fields, models, SUPERUSER_ID
from openerp import tools
from openerp import report as odoo_report
from openerp.exceptions import UserError
_logger = logging.getLogger(__name__)
def format_tz(pool, cr, uid, dt, tz=False, format=False, context=None):
context = dict(context or {})
if tz:
context['tz'] = tz or pool.get('res.users').read(cr, SUPERUSER_ID, uid, ['tz'])['tz'] or "UTC"
timestamp = datetime.datetime.strptime(dt, tools.DEFAULT_SERVER_DATETIME_FORMAT)
ts = openerp.osv.fields.datetime.context_timestamp(cr, uid, timestamp, context)
# Babel allows to format datetime in a specific language without change locale
# So month 1 = January in English, and janvier in French
# Be aware that the default value for format is 'medium', instead of 'short'
# medium: Jan 5, 2016, 10:20:31 PM | 5 janv. 2016 22:20:31
# short: 1/5/16, 10:20 PM | 5/01/16 22:20
if context.get('use_babel'):
# Formatting available here : http://babel.pocoo.org/en/latest/dates.html#date-fields
from babel.dates import format_datetime
return format_datetime(ts, format or 'medium', locale=context.get("lang") or 'en_US')
if format:
return ts.strftime(format)
else:
lang = context.get("lang")
lang_params = {}
if lang:
res_lang = pool.get('res.lang')
ids = res_lang.search(cr, uid, [("code", "=", lang)])
if ids:
lang_params = res_lang.read(cr, uid, ids[0], ["date_format", "time_format"])
format_date = lang_params.get("date_format", '%B-%d-%Y')
format_time = lang_params.get("time_format", '%I-%M %p')
fdate = ts.strftime(format_date).decode('utf-8')
ftime = ts.strftime(format_time)
return "%s %s%s" % (fdate, ftime, (' (%s)' % tz) if tz else '')
try:
# We use a jinja2 sandboxed environment to render mako templates.
# Note that the rendering does not cover all the mako syntax, in particular
# arbitrary Python statements are not accepted, and not all expressions are
# allowed: only "public" attributes (not starting with '_') of objects may
# be accessed.
# This is done on purpose: it prevents incidental or malicious execution of
# Python code that may break the security of the server.
from jinja2.sandbox import SandboxedEnvironment
mako_template_env = SandboxedEnvironment(
block_start_string="<%",
block_end_string="%>",
variable_start_string="${",
variable_end_string="}",
comment_start_string="<%doc>",
comment_end_string="",
line_statement_prefix="%",
line_comment_prefix="##",
trim_blocks=True, # do not output newline after blocks
autoescape=True, # XML/HTML automatic escaping
)
mako_template_env.globals.update({
'str': str,
'quote': quote,
'urlencode': urlencode,
'datetime': datetime,
'len': len,
'abs': abs,
'min': min,
'max': max,
'sum': sum,
'filter': filter,
'reduce': reduce,
'map': map,
'round': round,
'cmp': cmp,
# dateutil.relativedelta is an old-style class and cannot be directly
# instanciated wihtin a jinja2 expression, so a lambda "proxy" is
# is needed, apparently.
'relativedelta': lambda *a, **kw : relativedelta.relativedelta(*a, **kw),
})
mako_safe_template_env = copy.copy(mako_template_env)
mako_safe_template_env.autoescape = False
except ImportError:
_logger.warning("jinja2 not available, templating features will not work!")
class MailTemplate(models.Model):
"Templates for sending email"
_name = "mail.template"
_description = 'Email Templates'
_order = 'name'
@api.model
def default_get(self, fields):
res = super(MailTemplate, self).default_get(fields)
if res.get('model'):
res['model_id'] = self.env['ir.model'].search([('model', '=', res.pop('model'))]).id
return res
name = fields.Char('Name')
model_id = fields.Many2one('ir.model', 'Applies to', help="The type of document this template can be used with")
model = fields.Char('Related Document Model', related='model_id.model', select=True, store=True, readonly=True)
lang = fields.Char('Language',
help="Optional translation language (ISO code) to select when sending out an email. "
"If not set, the english version will be used. "
"This should usually be a placeholder expression "
"that provides the appropriate language, e.g. "
"${object.partner_id.lang}.",
placeholder="${object.partner_id.lang}")
user_signature = fields.Boolean('Add Signature',
help="If checked, the user's signature will be appended to the text version "
"of the message")
subject = fields.Char('Subject', translate=True, help="Subject (placeholders may be used here)")
email_from = fields.Char('From',
help="Sender address (placeholders may be used here). If not set, the default "
"value will be the author's email alias if configured, or email address.")
use_default_to = fields.Boolean(
'Default recipients',
help="Default recipients of the record:\n"
"- partner (using id on a partner or the partner_id field) OR\n"
"- email (using email_from or email field)")
email_to = fields.Char('To (Emails)', help="Comma-separated recipient addresses (placeholders may be used here)")
partner_to = fields.Char('To (Partners)', oldname='email_recipients',
help="Comma-separated ids of recipient partners (placeholders may be used here)")
email_cc = fields.Char('Cc', help="Carbon copy recipients (placeholders may be used here)")
reply_to = fields.Char('Reply-To', help="Preferred response address (placeholders may be used here)")
mail_server_id = fields.Many2one('ir.mail_server', 'Outgoing Mail Server', readonly=False,
help="Optional preferred server for outgoing mails. If not set, the highest "
"priority one will be used.")
body_html = fields.Html('Body', translate=True, sanitize=False)
report_name = fields.Char('Report Filename', translate=True,
help="Name to use for the generated report file (may contain placeholders)\n"
"The extension can be omitted and will then come from the report type.")
report_template = fields.Many2one('ir.actions.report.xml', 'Optional report to print and attach')
ref_ir_act_window = fields.Many2one('ir.actions.act_window', 'Sidebar action', readonly=True, copy=False,
help="Sidebar action to make this template available on records "
"of the related document model")
ref_ir_value = fields.Many2one('ir.values', 'Sidebar Button', readonly=True, copy=False,
help="Sidebar button to open the sidebar action")
attachment_ids = fields.Many2many('ir.attachment', 'email_template_attachment_rel', 'email_template_id',
'attachment_id', 'Attachments',
help="You may attach files to this template, to be added to all "
"emails created from this template")
auto_delete = fields.Boolean('Auto Delete', default=True, help="Permanently delete this email after sending it, to save space")
# Fake fields used to implement the placeholder assistant
model_object_field = fields.Many2one('ir.model.fields', string="Field",
help="Select target field from the related document model.\n"
"If it is a relationship field you will be able to select "
"a target field at the destination of the relationship.")
sub_object = fields.Many2one('ir.model', 'Sub-model', readonly=True,
help="When a relationship field is selected as first field, "
"this field shows the document model the relationship goes to.")
sub_model_object_field = fields.Many2one('ir.model.fields', 'Sub-field',
help="When a relationship field is selected as first field, "
"this field lets you select the target field within the "
"destination document model (sub-model).")
null_value = fields.Char('Default Value', help="Optional value to use if the target field is empty")
copyvalue = fields.Char('Placeholder Expression', help="Final placeholder expression, to be copy-pasted in the desired template field.")
scheduled_date = fields.Char('Scheduled Date', help="If set, the queue manager will send the email after the date. If not set, the email will be send as soon as possible. Jinja2 placeholders may be used.")
@api.onchange('model_id')
def onchange_model_id(self):
# TDE CLEANME: should'nt it be a stored related ?
if self.model_id:
self.model = self.model_id.model
else:
self.model = False
def build_expression(self, field_name, sub_field_name, null_value):
"""Returns a placeholder expression for use in a template field,
based on the values provided in the placeholder assistant.
:param field_name: main field name
:param sub_field_name: sub field name (M2O)
:param null_value: default value if the target value is empty
:return: final placeholder expression """
expression = ''
if field_name:
expression = "${object." + field_name
if sub_field_name:
expression += "." + sub_field_name
if null_value:
expression += " or '''%s'''" % null_value
expression += "}"
return expression
@api.onchange('model_object_field', 'sub_model_object_field', 'null_value')
def onchange_sub_model_object_value_field(self):
if self.model_object_field:
if self.model_object_field.ttype in ['many2one', 'one2many', 'many2many']:
models = self.env['ir.model'].search([('model', '=', self.model_object_field.relation)])
if models:
self.sub_object = models.id
self.copyvalue = self.build_expression(self.model_object_field.name, self.sub_model_object_field and self.sub_model_object_field.name or False, self.null_value or False)
else:
self.sub_object = False
self.sub_model_object_field = False
self.copyvalue = self.build_expression(self.model_object_field.name, False, self.null_value or False)
else:
self.sub_object = False
self.copyvalue = False
self.sub_model_object_field = False
self.null_value = False
@api.multi
def unlink(self):
self.unlink_action()
return super(MailTemplate, self).unlink()
@api.multi
def copy(self, default=None):
default = dict(default or {},
name=_("%s (copy)") % self.name)
return super(MailTemplate, self).copy(default=default)
@api.multi
def unlink_action(self):
for template in self:
if template.ref_ir_act_window:
template.ref_ir_act_window.sudo().unlink()
if template.ref_ir_value:
template.ref_ir_value.sudo().unlink()
return True
@api.multi
def create_action(self):
ActWindowSudo = self.env['ir.actions.act_window'].sudo()
IrValuesSudo = self.env['ir.values'].sudo()
view = self.env.ref('mail.email_compose_message_wizard_form')
for template in self:
src_obj = template.model_id.model
button_name = _('Send Mail (%s)') % template.name
action = ActWindowSudo.create({
'name': button_name,
'type': 'ir.actions.act_window',
'res_model': 'mail.compose.message',
'src_model': src_obj,
'view_type': 'form',
'context': "{'default_composition_mode': 'mass_mail', 'default_template_id' : %d, 'default_use_template': True}" % (template.id),
'view_mode': 'form,tree',
'view_id': view.id,
'target': 'new',
})
ir_value = IrValuesSudo.create({
'name': button_name,
'model': src_obj,
'key2': 'client_action_multi',
'value': "ir.actions.act_window,%s" % action.id})
template.write({
'ref_ir_act_window': action.id,
'ref_ir_value': ir_value.id,
})
return True
# ----------------------------------------
# RENDERING
# ----------------------------------------
@api.model
def _replace_local_links(self, html):
""" Post-processing of html content to replace local links to absolute
links, using web.base.url as base url. """
if not html:
return html
# form a tree
root = lxml.html.fromstring(html)
if not len(root) and root.text is None and root.tail is None:
html = '%s
' % html
root = lxml.html.fromstring(html)
base_url = self.env['ir.config_parameter'].get_param('web.base.url')
(base_scheme, base_netloc, bpath, bparams, bquery, bfragment) = urlparse.urlparse(base_url)
def _process_link(url):
new_url = url
(scheme, netloc, path, params, query, fragment) = urlparse.urlparse(url)
if not scheme and not netloc:
new_url = urlparse.urlunparse((base_scheme, base_netloc, path, params, query, fragment))
return new_url
# check all nodes, replace :
# - img src -> check URL
# - a href -> check URL
for node in root.iter():
if node.tag == 'a' and node.get('href'):
node.set('href', _process_link(node.get('href')))
elif node.tag == 'img' and not node.get('src', 'data').startswith('data'):
node.set('src', _process_link(node.get('src')))
html = lxml.html.tostring(root, pretty_print=False, method='html')
# this is ugly, but lxml/etree tostring want to put everything in a 'div' that breaks the editor -> remove that
if html.startswith('') and html.endswith('
'):
html = html[5:-6]
return html
@api.model
def render_post_process(self, html):
html = self._replace_local_links(html)
return html
@api.model
def render_template(self, template_txt, model, res_ids, post_process=False):
""" Render the given template text, replace mako expressions ``${expr}``
with the result of evaluating these expressions with an evaluation
context containing:
- ``user``: browse_record of the current user
- ``object``: record of the document record this mail is related to
- ``context``: the context passed to the mail composition wizard
:param str template_txt: the template text to render
:param str model: model name of the document record this mail is related to.
:param int res_ids: list of ids of document records those mails are related to.
"""
multi_mode = True
if isinstance(res_ids, (int, long)):
multi_mode = False
res_ids = [res_ids]
results = dict.fromkeys(res_ids, u"")
# try to load the template
try:
mako_env = mako_safe_template_env if self.env.context.get('safe') else mako_template_env
template = mako_env.from_string(tools.ustr(template_txt))
except Exception:
_logger.info("Failed to load template %r", template_txt, exc_info=True)
return multi_mode and results or results[res_ids[0]]
# prepare template variables
records = self.env[model].browse(filter(None, res_ids)) # filter to avoid browsing [None]
res_to_rec = dict.fromkeys(res_ids, None)
for record in records:
res_to_rec[record.id] = record
variables = {
'format_tz': lambda dt, tz=False, format=False, context=self._context: format_tz(self.pool, self._cr, self._uid, dt, tz, format, context),
'user': self.env.user,
'ctx': self._context, # context kw would clash with mako internals
}
for res_id, record in res_to_rec.iteritems():
variables['object'] = record
try:
render_result = template.render(variables)
except Exception:
_logger.info("Failed to render template %r using values %r" % (template, variables), exc_info=True)
raise UserError(_("Failed to render template %r using values %r")% (template, variables))
render_result = u""
if render_result == u"False":
render_result = u""
results[res_id] = render_result
if post_process:
for res_id, result in results.iteritems():
results[res_id] = self.render_post_process(result)
return multi_mode and results or results[res_ids[0]]
@api.multi
def get_email_template(self, res_ids):
multi_mode = True
if isinstance(res_ids, (int, long)):
res_ids = [res_ids]
multi_mode = False
if res_ids is None:
res_ids = [None]
results = dict.fromkeys(res_ids, False)
if not self.ids:
return results
self.ensure_one()
langs = self.render_template(self.lang, self.model, res_ids)
for res_id, lang in langs.iteritems():
if lang:
template = self.with_context(lang=lang)
else:
template = self
results[res_id] = template
return multi_mode and results or results[res_ids[0]]
@api.multi
def generate_recipients(self, results, res_ids):
"""Generates the recipients of the template. Default values can ben generated
instead of the template values if requested by template or context.
Emails (email_to, email_cc) can be transformed into partners if requested
in the context. """
self.ensure_one()
if self.use_default_to or self._context.get('tpl_force_default_to'):
default_recipients = self.env['mail.thread'].message_get_default_recipients(res_model=self.model, res_ids=res_ids)
for res_id, recipients in default_recipients.iteritems():
results[res_id].pop('partner_to', None)
results[res_id].update(recipients)
for res_id, values in results.iteritems():
partner_ids = values.get('partner_ids', list())
if self._context.get('tpl_partners_only'):
mails = tools.email_split(values.pop('email_to', '')) + tools.email_split(values.pop('email_cc', ''))
for mail in mails:
partner_id = self.env['res.partner'].find_or_create(mail)
partner_ids.append(partner_id)
partner_to = values.pop('partner_to', '')
if partner_to:
# placeholders could generate '', 3, 2 due to some empty field values
tpl_partner_ids = [int(pid) for pid in partner_to.split(',') if pid]
partner_ids += self.env['res.partner'].sudo().browse(tpl_partner_ids).exists().ids
results[res_id]['partner_ids'] = partner_ids
return results
@api.multi
def generate_email(self, res_ids, fields=None):
"""Generates an email from the template for given the given model based on
records given by res_ids.
:param template_id: id of the template to render.
:param res_id: id of the record to use for rendering the template (model
is taken from template definition)
:returns: a dict containing all relevant fields for creating a new
mail.mail entry, with one extra key ``attachments``, in the
format [(report_name, data)] where data is base64 encoded.
"""
self.ensure_one()
multi_mode = True
if isinstance(res_ids, (int, long)):
res_ids = [res_ids]
multi_mode = False
if fields is None:
fields = ['subject', 'body_html', 'email_from', 'email_to', 'partner_to', 'email_cc', 'reply_to', 'scheduled_date']
res_ids_to_templates = self.get_email_template_batch(res_ids)
# templates: res_id -> template; template -> res_ids
templates_to_res_ids = {}
for res_id, template in res_ids_to_templates.iteritems():
templates_to_res_ids.setdefault(template, []).append(res_id)
results = dict()
for template, template_res_ids in templates_to_res_ids.iteritems():
Template = self.env['mail.template']
# generate fields value for all res_ids linked to the current template
if template.lang:
Template = Template.with_context(lang=template._context.get('lang'))
for field in fields:
Template = Template.with_context(safe=field in {'subject'})
generated_field_values = Template.render_template(
getattr(template, field), template.model, template_res_ids,
post_process=(field == 'body_html'))
for res_id, field_value in generated_field_values.iteritems():
results.setdefault(res_id, dict())[field] = field_value
# compute recipients
if any(field in fields for field in ['email_to', 'partner_to', 'email_cc']):
results = template.generate_recipients(results, template_res_ids)
# update values for all res_ids
for res_id in template_res_ids:
values = results[res_id]
# body: add user signature, sanitize
if 'body_html' in fields and template.user_signature:
signature = self.env.user.signature
if signature:
values['body_html'] = tools.append_content_to_html(values['body_html'], signature, plaintext=False)
if values.get('body_html'):
values['body'] = tools.html_sanitize(values['body_html'])
# technical settings
values.update(
mail_server_id=template.mail_server_id.id or False,
auto_delete=template.auto_delete,
model=template.model,
res_id=res_id or False,
attachment_ids=[attach.id for attach in template.attachment_ids],
)
# Add report in attachments: generate once for all template_res_ids
if template.report_template and not 'report_template_in_attachment' in self.env.context:
for res_id in template_res_ids:
attachments = []
report_name = self.render_template(template.report_name, template.model, res_id)
report = template.report_template
report_service = report.report_name
if report.report_type in ['qweb-html', 'qweb-pdf']:
result, format = self.pool['report'].get_pdf(self._cr, self._uid, [res_id], report_service, context=Template._context), 'pdf'
else:
result, format = odoo_report.render_report(self._cr, self._uid, [res_id], report_service, {'model': template.model}, Template._context)
# TODO in trunk, change return format to binary to match message_post expected format
result = base64.b64encode(result)
if not report_name:
report_name = 'report.' + report_service
ext = "." + format
if not report_name.endswith(ext):
report_name += ext
attachments.append((report_name, result))
results[res_id]['attachments'] = attachments
return multi_mode and results or results[res_ids[0]]
@api.multi
def send_mail(self, res_id, force_send=False, raise_exception=False, email_values=None):
"""Generates a new mail message for the given template and record,
and schedules it for delivery through the ``mail`` module's scheduler.
:param int res_id: id of the record to render the template with
(model is taken from the template)
:param bool force_send: if True, the generated mail.message is
immediately sent after being created, as if the scheduler
was executed for this message only.
:param dict email_values: if set, the generated mail.message is
updated with given values dict
:returns: id of the mail.message that was created
"""
self.ensure_one()
Mail = self.env['mail.mail']
Attachment = self.env['ir.attachment'] # TDE FIXME: should remove dfeault_type from context
# create a mail_mail based on values, without attachments
values = self.generate_email(res_id)
values['recipient_ids'] = [(4, pid) for pid in values.get('partner_ids', list())]
values.update(email_values or {})
attachment_ids = values.pop('attachment_ids', [])
attachments = values.pop('attachments', [])
# add a protection against void email_from
if 'email_from' in values and not values.get('email_from'):
values.pop('email_from')
mail = Mail.create(values)
# manage attachments
for attachment in attachments:
attachment_data = {
'name': attachment[0],
'datas_fname': attachment[0],
'datas': attachment[1],
'res_model': 'mail.message',
'res_id': mail.mail_message_id.id,
}
attachment_ids.append(Attachment.create(attachment_data).id)
if attachment_ids:
values['attachment_ids'] = [(6, 0, attachment_ids)]
mail.write({'attachment_ids': [(6, 0, attachment_ids)]})
if force_send:
mail.send(raise_exception=raise_exception)
return mail.id # TDE CLEANME: return mail + api.returns ?
# compatibility
render_template_batch = render_template
get_email_template_batch = get_email_template
generate_email_batch = generate_email
# Compatibility method
# def render_template(self, cr, uid, template, model, res_id, context=None):
# return self.render_template_batch(cr, uid, template, model, [res_id], context)[res_id]
# def get_email_template(self, cr, uid, template_id=False, record_id=None, context=None):
# return self.get_email_template_batch(cr, uid, template_id, [record_id], context)[record_id]
# def generate_email(self, cr, uid, template_id, res_id, context=None):
# return self.generate_email_batch(cr, uid, template_id, [res_id], context)[res_id]