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45 lines
1.7 KiB
45 lines
1.7 KiB
# -*- coding: utf-8 -*-
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# Copyright 2015 Grupo ESOC Ingeniería de Servicios, S.L.U. - Jairo Llopis
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# Copyright 2016 Tecnativa - Vicent Cubells
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# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
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from openerp import _
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from openerp.exceptions import ValidationError
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def pre_init_hook(cr):
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"""Make sure there are no duplicates before installing the module.
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If you define a unique key in Odoo that cannot be applied, Odoo will log a
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warning and install the module without that constraint. Since this module
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is useless without those constraints, we check here if all will work before
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installing, and provide a user-friendly message in case of failure.
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"""
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errors = list()
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# Search for duplicates in emails
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cr.execute("""SELECT c.email, l.name, COUNT(c.id)
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FROM
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mail_mass_mailing_contact AS c
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INNER JOIN mail_mass_mailing_list AS l ON c.list_id = l.id
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GROUP BY l.name, l.id, c.email
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HAVING COUNT(c.id) > 1""")
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for result in cr.fetchall():
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errors.append(
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_("{0} appears {2} times in list {1}.").format(*result))
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# Search for duplicates in list's name
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cr.execute("""SELECT name, COUNT(id)
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FROM mail_mass_mailing_list
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GROUP BY name
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HAVING COUNT(id) > 1""")
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for result in cr.fetchall():
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errors.append(
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_("There are {1} lists with name {0}.").format(*result))
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# Abort if duplicates are found
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if errors:
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raise ValidationError(
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_("Fix this before installing:") +
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"".join("\n" + e for e in errors))
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