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116 lines
4.7 KiB
116 lines
4.7 KiB
# -*- coding: utf-8 -*-
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##############################################################################
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#
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# OpenERP, Open Source Management Solution
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# Copyright (C) 2015 Akretion (<http://www.akretion.com>).
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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##############################################################################
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from openerp import models, fields, api
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from openerp.osv.orm import setup_modifiers
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import StringIO
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import base64
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import datetime
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from lxml import etree
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from openerp.tools import DEFAULT_SERVER_DATETIME_FORMAT
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import uuid
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class SqlFileWizard(models.TransientModel):
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_name = "sql.file.wizard"
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_description = "Allow the user to save the file with sql request's data"
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binary_file = fields.Binary('File', readonly=True)
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file_name = fields.Char('File Name', readonly=True)
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valid = fields.Boolean()
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sql_export_id = fields.Many2one(comodel_name='sql.export', required=True)
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@api.model
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def fields_view_get(self, view_id=None, view_type='form',
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toolbar=False, submenu=False):
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"""
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Display dinamicaly parameter fields depending on the sql_export.
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"""
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res = super(SqlFileWizard, self).fields_view_get(
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view_id=view_id, view_type=view_type, toolbar=toolbar,
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submenu=submenu)
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export_obj = self.env['sql.export']
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if view_type == 'form':
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sql_export = export_obj.browse(self._context.get('active_id'))
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if sql_export.field_ids:
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eview = etree.fromstring(res['arch'])
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group = etree.Element(
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'group', name="variables_group", colspan="4")
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toupdate_fields = []
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for field in sql_export.field_ids:
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kwargs = {'name': "%s" % field.name}
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toupdate_fields.append(field.name)
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view_field = etree.SubElement(group, 'field', **kwargs)
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setup_modifiers(view_field, self.fields_get(field.name))
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res['fields'].update(self.fields_get(toupdate_fields))
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placeholder = eview.xpath(
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"//separator[@string='variables_placeholder']")[0]
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placeholder.getparent().replace(
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placeholder, group)
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res['arch'] = etree.tostring(eview, pretty_print=True)
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return res
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@api.multi
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def export_sql(self):
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self.ensure_one()
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sql_export = self.sql_export_id
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today = datetime.datetime.now()
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today_tz = fields.Datetime.context_timestamp(
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sql_export, today)
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date = today_tz.strftime(DEFAULT_SERVER_DATETIME_FORMAT)
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output = StringIO.StringIO()
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variable_dict = {}
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if sql_export.field_ids:
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for field in sql_export.field_ids:
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variable_dict[field.name] = self[field.name]
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if "%(company_id)s" in sql_export.query:
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variable_dict['company_id'] = self.env.user.company_id.id
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if "%(user_id)s" in sql_export.query:
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variable_dict['user_id'] = self._uid
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format_query = self.env.cr.mogrify(
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sql_export.query, variable_dict).decode('utf-8')
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query = "COPY (" + format_query + ") TO STDOUT WITH " + \
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sql_export.copy_options
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name = 'export_query_%s' % uuid.uuid1().hex
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self.env.cr.execute("SAVEPOINT %s" % name)
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try:
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self.env.cr.copy_expert(query, output)
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output.getvalue()
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new_output = base64.b64encode(output.getvalue())
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output.close()
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finally:
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self.env.cr.execute("ROLLBACK TO SAVEPOINT %s" % name)
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self.write({
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'binary_file': new_output,
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'file_name': sql_export.name + '_' + date + '.csv'
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})
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if not sql_export.valid:
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sql_export.sudo().valid = True
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return {
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'view_type': 'form',
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'view_mode': 'form',
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'res_model': 'sql.file.wizard',
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'res_id': self.id,
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'type': 'ir.actions.act_window',
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'target': 'new',
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'context': self._context,
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'nodestroy': True,
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}
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