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740 lines
30 KiB
740 lines
30 KiB
# -*- encoding: utf-8 -*-
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##############################################################################
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#
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# mis_builder module for OpenERP, Management Information System Builder
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# Copyright (C) 2014 ACSONE SA/NV (<http://acsone.eu>)
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#
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# This file is a part of mis_builder
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#
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# mis_builder 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 v3 or later
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# as 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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# mis_builder 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 v3 or later 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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# v3 or later along with this program.
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# If not, see <http://www.gnu.org/licenses/>.
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#
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##############################################################################
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from datetime import datetime, timedelta
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from dateutil import parser
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import traceback
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import re
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import pytz
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from openerp.osv import orm, fields
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from openerp.tools.safe_eval import safe_eval
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from openerp.tools.translate import _
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from openerp import tools
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from collections import OrderedDict
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class AutoStruct(object):
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def __init__(self, **kwargs):
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for k, v in kwargs.items():
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setattr(self, k, v)
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def _get_selection_label(selection, value):
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for v, l in selection:
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if v == value:
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return l
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return ''
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def _utc_midnight(d, tz_name, add_day=0):
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d = datetime.strptime(d, tools.DEFAULT_SERVER_DATE_FORMAT)
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if add_day:
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d = d + timedelta(days=add_day)
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utc_tz = pytz.timezone('UTC')
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context_tz = pytz.timezone(tz_name)
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local_timestamp = context_tz.localize(d, is_dst=False)
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return datetime.strftime(local_timestamp.astimezone(utc_tz),
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tools.DEFAULT_SERVER_DATETIME_FORMAT)
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def _clean(varStr):
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return re.sub('\W|^(?=\d)', '_', varStr).lower()
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class mis_report_kpi(orm.Model):
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""" A KPI is an element of a MIS report.
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In addition to a name and description, it has an expression
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to compute it based on queries defined in the MIS report.
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It also has various informations defining how to render it
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(numeric or percentage or a string, a suffix, divider) and
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how to render comparison of two values of the KPI.
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KPI are ordered inside the MIS report, as some KPI expressions
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can depend on other KPI that need to be computed before.
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"""
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_name = 'mis.report.kpi'
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_columns = {
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'name': fields.char(size=32, required=True,
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string='Name'),
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'description': fields.char(required=True,
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string='Description',
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translate=True),
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'expression': fields.char(required=True,
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string='Expression'),
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'css_style': fields.char(string='CSS style'),
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'type': fields.selection([('num', _('Numeric')),
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('pct', _('Percentage')),
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('str', _('String'))],
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required=True,
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string='Type'),
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'divider': fields.selection([('1e-6', _('µ')),
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('1e-3', _('m')),
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('1', _('1')),
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('1e3', _('k')),
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('1e6', _('M'))],
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string='Factor'),
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'dp': fields.integer(string='Rounding'),
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'suffix': fields.char(size=16, string='Suffix'),
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'compare_method': fields.selection([('diff', _('Difference')),
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('pct', _('Percentage')),
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('none', _('None'))],
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required=True,
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string='Comparison Method'),
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'sequence': fields.integer(string='Sequence'),
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'report_id': fields.many2one('mis.report', string='Report'),
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}
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_defaults = {
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'type': 'num',
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'divider': '1',
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'dp': 0,
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'compare_method': 'pct',
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'sequence': 100,
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}
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_order = 'sequence'
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def _check_name(self, cr, uid, ids, context=None):
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for record_name in self.read(cr, uid, ids, ['name']):
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if not re.match("[_A-Za-z][_a-zA-Z0-9]*$", record_name['name']):
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return False
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return True
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_constraints = [
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(_check_name, 'The name must be a valid python identifier', ['name']),
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]
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def onchange_name(self, cr, uid, ids, name, context=None):
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# check it is a valid python identifier
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res = {}
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if name and not re.match("[_A-Za-z][_a-zA-Z0-9]*$", name):
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res['warning'] = {
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'title': 'Invalid name',
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'message': 'The name must be a valid python identifier'}
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return res
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def onchange_description(self, cr, uid, ids, description, name,
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context=None):
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# construct name from description
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res = {}
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if description and not name:
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res = {'value': {'name': _clean(description)}}
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return res
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def onchange_type(self, cr, uid, ids, kpi_type, context=None):
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res = {}
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if kpi_type == 'pct':
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res['value'] = {'compare_method': 'diff'}
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elif kpi_type == 'str':
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res['value'] = {'compare_method': 'none',
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'divider': '',
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'dp': 0}
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return res
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def _render(self, cr, uid, kpi, value, context=None):
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""" render a KPI value as a unicode string, ready for display """
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if kpi.type == 'num':
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return self._render_num(cr, uid, value, kpi.divider, kpi.dp,
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kpi.suffix, context=context)
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elif kpi.type == 'pct':
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return self._render_num(cr, uid, value, 0.01, kpi.dp, '%',
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context=context)
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else:
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return unicode(value)
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def _render_comparison(self, cr, uid, kpi, value, base_value,
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average_value, average_base_value, context=None):
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""" render the comparison of two KPI values, ready for display """
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if value is None or base_value is None:
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return ''
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if kpi.type == 'pct':
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return self._render_num(cr, uid, value - base_value, 0.01, kpi.dp,
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_('pp'), sign='+', context=context)
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elif kpi.type == 'num':
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if average_value:
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value = value / float(average_value)
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if average_base_value:
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base_value = base_value / float(average_base_value)
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if kpi.compare_method == 'diff':
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return self._render_num(cr, uid, value - base_value,
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kpi.divider,
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kpi.dp, kpi.suffix, sign='+',
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context=context)
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elif kpi.compare_method == 'pct' and base_value != 0:
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return self._render_num(cr, uid, value / base_value - 1,
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0.01, kpi.dp, '%',
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sign='+', context=context)
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return ''
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def _render_num(self, cr, uid, value, divider, dp, suffix, sign='-',
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context=None):
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divider_label = _get_selection_label(
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self._columns['divider'].selection, divider)
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if divider_label == '1':
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divider_label = ''
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# format number following user language
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lang = self.pool['res.users'].read(
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cr, uid, uid, ['lang'], context=context)['lang']
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language_id = self.pool['res.lang'].search(
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cr, uid, [('code', '=', lang)], context=context)
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value = round(value / float(divider or 1), dp) or 0
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return '%s %s%s' % (self.pool['res.lang'].format(cr, uid, language_id,
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'%%%s.%df' % (
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sign, dp),
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value,
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grouping=True,
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context=context),
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divider_label, suffix or '')
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class mis_report_query(orm.Model):
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""" A query to fetch data for a MIS report.
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A query works on a model and has a domain and list of fields to fetch.
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At runtime, the domain is expanded with a "and" on the date/datetime field.
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"""
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_name = 'mis.report.query'
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def _get_field_names(self, cr, uid, ids, name, args, context=None):
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res = {}
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for query in self.browse(cr, uid, ids, context=context):
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field_names = []
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for field in query.field_ids:
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field_names.append(field.name)
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res[query.id] = ', '.join(field_names)
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return res
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def onchange_field_ids(self, cr, uid, ids, field_ids, context=None):
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# compute field_names
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field_names = []
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for field in self.pool.get('ir.model.fields').read(cr, uid,
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field_ids[0][2],
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['name'],
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context=context):
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field_names.append(field['name'])
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return {'value': {'field_names': ', '.join(field_names)}}
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_columns = {
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'name': fields.char(size=32, required=True,
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string='Name'),
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'model_id': fields.many2one('ir.model', required=True,
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string='Model'),
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'field_ids': fields.many2many('ir.model.fields', required=True,
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string='Fields to fetch'),
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'field_names': fields.function(_get_field_names, type='char',
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string='Fetched fields name',
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store={'mis.report.query':
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(lambda self, cr, uid, ids, c={}:
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ids, ['field_ids'], 20), }),
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'date_field': fields.many2one('ir.model.fields', required=True,
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string='Date field',
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domain=[('ttype', 'in', ('date',
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'datetime'))]),
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'domain': fields.char(string='Domain'),
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'report_id': fields.many2one('mis.report', string='Report'),
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}
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_order = 'name'
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def _check_name(self, cr, uid, ids, context=None):
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for record_name in self.read(cr, uid, ids, ['name']):
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if not re.match("[_A-Za-z][_a-zA-Z0-9]*$", record_name['name']):
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return False
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return True
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_constraints = [
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(_check_name, 'The name must be a valid python identifier', ['name']),
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]
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class mis_report(orm.Model):
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""" A MIS report template (without period information)
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The MIS report holds:
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* an implicit query fetching allow the account balances;
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for each account, the balance is stored in a variable named
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bal_{code} where {code} is the account code
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* a list of explicit queries; the result of each query is
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stored in a variable with same name as a query, containing as list
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of data structures populated with attributes for each fields to fetch
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* a list of KPI to be evaluated based on the variables resulting
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from the balance and queries
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"""
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_name = 'mis.report'
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_columns = {
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'name': fields.char(size=32, required=True,
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string='Name', translate=True),
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'description': fields.char(required=False,
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string='Description', translate=True),
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'query_ids': fields.one2many('mis.report.query', 'report_id',
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string='Queries'),
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'kpi_ids': fields.one2many('mis.report.kpi', 'report_id',
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string='KPI\'s'),
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}
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def create(self, cr, uid, vals, context=None):
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if 'kpi_ids' in vals:
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mis_report_kpi_obj = self.pool.get('mis.report.kpi')
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for idx, line in enumerate(vals['kpi_ids']):
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if line[0] == 0:
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line[2]['sequence'] = idx + 1
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else:
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mis_report_kpi_obj.write(
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cr, uid, [line[1]], {'sequence': idx + 1},
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context=context)
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return super(mis_report, self).create(cr, uid, vals, context=context)
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def write(self, cr, uid, ids, vals, context=None):
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res = super(mis_report, self).write(
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cr, uid, ids, vals, context=context)
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mis_report_kpi_obj = self.pool.get('mis.report.kpi')
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for report in self.browse(cr, uid, ids, context):
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for idx, kpi in enumerate(report.kpi_ids):
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mis_report_kpi_obj.write(
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cr, uid, [kpi.id], {'sequence': idx + 1}, context=context)
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return res
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class mis_report_instance_period(orm.Model):
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""" A MIS report instance has the logic to compute
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a report template for a give date period.
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Periods have a duration (day, week, fiscal period) and
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are defined as an offset relative to a pivot date.
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"""
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def _get_dates(self, cr, uid, ids, field_names, arg, context=None):
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if isinstance(ids, (int, long)):
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ids = [ids]
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res = {}
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for c in self.browse(cr, uid, ids, context=context):
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d = parser.parse(c.report_instance_id.pivot_date)
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if c.type == 'd':
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date_from = d + timedelta(days=c.offset)
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date_to = date_from + timedelta(days=c.duration - 1)
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date_from = date_from.strftime(
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tools.DEFAULT_SERVER_DATE_FORMAT)
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date_to = date_to.strftime(tools.DEFAULT_SERVER_DATE_FORMAT)
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period_ids = None
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elif c.type == 'w':
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date_from = d - timedelta(d.weekday())
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date_from = date_from + timedelta(days=c.offset * 7)
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date_to = date_from + timedelta(days=(7 * c.duration) - 1)
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date_from = date_from.strftime(
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tools.DEFAULT_SERVER_DATE_FORMAT)
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date_to = date_to.strftime(tools.DEFAULT_SERVER_DATE_FORMAT)
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period_ids = None
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elif c.type == 'fp':
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period_obj = self.pool['account.period']
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all_period_ids = period_obj.search(
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cr, uid,
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[('special', '=', False),
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'|', (
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'company_id', '=',
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False),
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('company_id', '=',
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c.company_id.id)],
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order='date_start',
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context=context)
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current_period_ids = period_obj.search(
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cr, uid,
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[('special', '=', False),
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('date_start', '<=', d),
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('date_stop',
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'>=', d),
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'|',
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('company_id',
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'=', False),
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('company_id', '=', c.company_id.id)],
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context=context)
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if not current_period_ids:
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raise orm.except_orm(_("Error!"),
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_("No current fiscal period for %s")
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% d)
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p = all_period_ids.index(current_period_ids[0]) + c.offset
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if p < 0 or p >= len(all_period_ids):
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raise orm.except_orm(_("Error!"),
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_("No such fiscal period for %s "
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"with offset %d") % (d, c.offset))
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period_ids = all_period_ids[p:p + c.duration]
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periods = period_obj.browse(cr, uid, period_ids,
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context=context)
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date_from = periods[0].date_start
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date_to = periods[-1].date_stop
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else:
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raise orm.except_orm(_("Error!"),
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_("Unimplemented period type %s") %
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(c.type,))
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res[c.id] = {
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'date_from': date_from,
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'date_to': date_to,
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'period_from': period_ids and period_ids[0],
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'period_to': period_ids and period_ids[-1],
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}
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return res
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_name = 'mis.report.instance.period'
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_columns = {
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'name': fields.char(size=32, required=True,
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string='Description', translate=True),
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'type': fields.selection([('d', _('Day')),
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('w', _('Week')),
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('fp', _('Fiscal Period')),
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# ('fy', _('Fiscal Year'))
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],
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required=True,
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string='Period type'),
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'offset': fields.integer(string='Offset',
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help='Offset from current period'),
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'duration': fields.integer(string='Duration',
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help='Number of periods'),
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'date_from': fields.function(_get_dates,
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type='date',
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multi="dates",
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string="From"),
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'date_to': fields.function(_get_dates,
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type='date',
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multi="dates",
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string="To"),
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'period_from': fields.function(_get_dates,
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type='many2one', obj='account.period',
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multi="dates", string="From period"),
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'period_to': fields.function(_get_dates,
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type='many2one', obj='account.period',
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multi="dates", string="To period"),
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'sequence': fields.integer(string='Sequence'),
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'report_instance_id': fields.many2one('mis.report.instance',
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string='Report Instance'),
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'comparison_column_ids': fields.many2many(
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'mis.report.instance.period',
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'mis_report_instance_period_rel',
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'period_id',
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'compare_period_id',
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string='Compare with'),
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'company_id': fields.many2one('res.company', 'Company', required=True),
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'normalize_factor': fields.integer(
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string='Factor',
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help='Factor to use to normalize the period (used in comparison'),
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}
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_defaults = {
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'offset': -1,
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'duration': 1,
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'sequence': 100,
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'normalize_factor': 1,
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'company_id': lambda s, cr, uid, c:
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s.pool.get('res.company')._company_default_get(
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cr, uid,
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'mis.report.instance.period',
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context=c)
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}
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_order = 'sequence'
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_sql_constraints = [
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('duration', 'CHECK (duration>0)',
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'Wrong duration, it must be positive!'),
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('normalize_factor', 'CHECK (normalize_factor>0)',
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'Wrong normalize factor, it must be positive!'),
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('name_unique', 'unique(name, report_instance_id)',
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'Period name should be unique by report'),
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]
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def _fetch_balances(self, cr, uid, c, context=None):
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""" fetch the general account balances for the given period
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returns a dictionary {bal_<account.code>: account.balance}
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"""
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if context is None:
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context = {}
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account_obj = self.pool['account.account']
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search_ctx = dict(context)
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if c.period_from:
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search_ctx.update({'period_from': c.period_from.id,
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|
'period_to': c.period_to.id})
|
|
else:
|
|
search_ctx.update({'date_from': c.date_from,
|
|
'date_to': c.date_to})
|
|
|
|
# TODO: initial balance?
|
|
account_ids = account_obj.search(cr, uid, ['|', ('company_id', '=',
|
|
False), (
|
|
'company_id', '=', c.company_id.id)], context=context)
|
|
account_datas = account_obj.read(
|
|
cr, uid, account_ids, ['code', 'balance'], context=search_ctx)
|
|
balances = {}
|
|
for account_data in account_datas:
|
|
key = 'bal' + _clean(account_data['code'])
|
|
assert key not in balances
|
|
balances[key] = account_data['balance']
|
|
|
|
return balances
|
|
|
|
def _fetch_queries(self, cr, uid, c, context):
|
|
res = {}
|
|
|
|
report = c.report_instance_id.report_id
|
|
for query in report.query_ids:
|
|
obj = self.pool[query.model_id.model]
|
|
domain = query.domain and safe_eval(query.domain) or []
|
|
if query.date_field.ttype == 'date':
|
|
domain.extend([(query.date_field.name, '>=', c.date_from),
|
|
(query.date_field.name, '<=', c.date_to)])
|
|
else:
|
|
datetime_from = _utc_midnight(
|
|
c.date_from, context.get('tz', 'UTC'))
|
|
datetime_to = _utc_midnight(
|
|
c.date_to, context.get('tz', 'UTC'), add_day=1)
|
|
domain.extend([(query.date_field.name, '>=', datetime_from),
|
|
(query.date_field.name, '<', datetime_to)])
|
|
if obj._columns.get('company_id', False):
|
|
domain.extend(
|
|
['|', ('company_id', '=', False), ('company_id', '=',
|
|
c.company_id.id)])
|
|
field_names = [field.name for field in query.field_ids]
|
|
obj_ids = obj.search(cr, uid, domain, context=context)
|
|
obj_datas = obj.read(
|
|
cr, uid, obj_ids, field_names, context=context)
|
|
res[query.name] = [AutoStruct(**d) for d in obj_datas]
|
|
|
|
return res
|
|
|
|
def _compute(self, cr, uid, c, context=None):
|
|
if context is None:
|
|
context = {}
|
|
|
|
kpi_obj = self.pool['mis.report.kpi']
|
|
|
|
res = {}
|
|
|
|
localdict = {
|
|
'registry': self.pool,
|
|
'sum': sum,
|
|
'min': min,
|
|
'max': max,
|
|
'len': len,
|
|
'avg': lambda l: sum(l) / float(len(l)),
|
|
}
|
|
localdict.update(self._fetch_balances(cr, uid, c, context=context))
|
|
localdict.update(self._fetch_queries(cr, uid, c, context=context))
|
|
|
|
for kpi in c.report_instance_id.report_id.kpi_ids:
|
|
try:
|
|
kpi_val = safe_eval(kpi.expression, localdict)
|
|
except ZeroDivisionError:
|
|
kpi_val = None
|
|
kpi_val_rendered = '#DIV/0'
|
|
kpi_val_comment = traceback.format_exc()
|
|
except:
|
|
kpi_val = None
|
|
kpi_val_rendered = '#ERR'
|
|
kpi_val_comment = traceback.format_exc()
|
|
else:
|
|
kpi_val_rendered = kpi_obj._render(
|
|
cr, uid, kpi, kpi_val, context=context)
|
|
kpi_val_comment = None
|
|
|
|
localdict[kpi.name] = kpi_val
|
|
try:
|
|
kpi_style = None
|
|
if kpi.css_style:
|
|
kpi_style = safe_eval(kpi.css_style, localdict)
|
|
except:
|
|
kpi_style = None
|
|
|
|
res[kpi.name] = {
|
|
'val': kpi_val,
|
|
'val_r': kpi_val_rendered,
|
|
'val_c': kpi_val_comment,
|
|
'style': kpi_style,
|
|
'suffix': kpi.suffix,
|
|
'dp': kpi.dp,
|
|
'is_percentage': kpi.type == 'pct',
|
|
}
|
|
|
|
return res
|
|
|
|
|
|
class mis_report_instance(orm.Model):
|
|
|
|
""" The MIS report instance combines compute and
|
|
display a MIS report template for a set of periods """
|
|
|
|
def _get_pivot_date(self, cr, uid, ids, field_name, arg, context=None):
|
|
res = {}
|
|
for r in self.browse(cr, uid, ids, context=context):
|
|
if r.date:
|
|
res[r.id] = r.date
|
|
else:
|
|
res[r.id] = fields.date.context_today(self, cr, uid,
|
|
context=context)
|
|
return res
|
|
|
|
_name = 'mis.report.instance'
|
|
|
|
_columns = {
|
|
'name': fields.char(size=32, required=True,
|
|
string='Name', translate=True),
|
|
'description': fields.char(required=False,
|
|
string='Description', translate=True),
|
|
'date': fields.date(string='Base date',
|
|
help='Report base date '
|
|
'(leave empty to use current date)'),
|
|
'pivot_date': fields.function(_get_pivot_date,
|
|
type='date',
|
|
string="Pivot date"),
|
|
'report_id': fields.many2one('mis.report',
|
|
required=True,
|
|
string='Report'),
|
|
'period_ids': fields.one2many('mis.report.instance.period',
|
|
'report_instance_id',
|
|
required=True,
|
|
string='Periods'),
|
|
'target_move': fields.selection([('posted', 'All Posted Entries'),
|
|
('all', 'All Entries'),
|
|
], 'Target Moves', required=True),
|
|
}
|
|
|
|
_defaults = {
|
|
'target_move': 'posted',
|
|
}
|
|
|
|
def create(self, cr, uid, vals, context=None):
|
|
if 'period_ids' in vals:
|
|
mis_report_instance_period_obj = self.pool.get(
|
|
'mis.report.instance.period')
|
|
for idx, line in enumerate(vals['period_ids']):
|
|
if line[0] == 0:
|
|
line[2]['sequence'] = idx + 1
|
|
else:
|
|
mis_report_instance_period_obj.write(
|
|
cr, uid, [line[1]], {'sequence': idx + 1},
|
|
context=context)
|
|
return super(mis_report_instance, self).create(cr, uid, vals,
|
|
context=context)
|
|
|
|
def write(self, cr, uid, ids, vals, context=None):
|
|
res = super(mis_report_instance, self).write(
|
|
cr, uid, ids, vals, context=context)
|
|
mis_report_instance_period_obj = self.pool.get(
|
|
'mis.report.instance.period')
|
|
for instance in self.browse(cr, uid, ids, context):
|
|
for idx, period in enumerate(instance.period_ids):
|
|
mis_report_instance_period_obj.write(
|
|
cr, uid, [period.id], {'sequence': idx + 1},
|
|
context=context)
|
|
return res
|
|
|
|
def _format_date(self, cr, uid, date, context=None):
|
|
# format date following user language
|
|
lang = self.pool['res.users'].read(
|
|
cr, uid, uid, ['lang'], context=context)['lang']
|
|
language_id = self.pool['res.lang'].search(
|
|
cr, uid, [('code', '=', lang)], context=context)[0]
|
|
tformat = self.pool['res.lang'].read(
|
|
cr, uid, language_id, ['date_format'])['date_format']
|
|
return datetime.strftime(datetime.strptime(
|
|
date,
|
|
tools.DEFAULT_SERVER_DATE_FORMAT),
|
|
tformat)
|
|
|
|
def compute(self, cr, uid, _ids, context=None):
|
|
assert isinstance(_ids, (int, long))
|
|
if context is None:
|
|
context = {}
|
|
r = self.browse(cr, uid, _ids, context=context)
|
|
context['state'] = r.target_move
|
|
|
|
content = OrderedDict()
|
|
# empty line name for header
|
|
header = OrderedDict()
|
|
header[''] = {'kpi_name': '', 'cols': []}
|
|
|
|
# initialize lines with kpi
|
|
for kpi in r.report_id.kpi_ids:
|
|
content[kpi.name] = {'kpi_name': kpi.description, 'cols': []}
|
|
|
|
report_instance_period_obj = self.pool.get(
|
|
'mis.report.instance.period')
|
|
kpi_obj = self.pool.get('mis.report.kpi')
|
|
|
|
period_values = {}
|
|
|
|
for period in r.period_ids:
|
|
# add the column header
|
|
header['']['cols'].append(dict(
|
|
name=period.name,
|
|
date=(period.duration > 1 or period.type == 'w') and
|
|
_('from %s to %s' %
|
|
(period.period_from and period.period_from.name
|
|
or self._format_date(cr, uid, period.date_from,
|
|
context=context),
|
|
period.period_to and period.period_to.name
|
|
or self._format_date(cr, uid, period.date_to,
|
|
context=context)))
|
|
or period.period_from and period.period_from.name or
|
|
period.date_from))
|
|
# compute kpi values
|
|
values = report_instance_period_obj._compute(
|
|
cr, uid, period, context=context)
|
|
period_values[period.name] = values
|
|
for key in values:
|
|
content[key]['cols'].append(values[key])
|
|
|
|
# add comparison column
|
|
for period in r.period_ids:
|
|
for compare_col in period.comparison_column_ids:
|
|
# add the column header
|
|
header['']['cols'].append(
|
|
dict(name='%s - %s' % (period.name, compare_col.name),
|
|
date=''))
|
|
column1_values = period_values[period.name]
|
|
column2_values = period_values[compare_col.name]
|
|
for kpi in r.report_id.kpi_ids:
|
|
content[kpi.name]['cols'].append(
|
|
{'val_r': kpi_obj._render_comparison(
|
|
cr,
|
|
uid,
|
|
kpi,
|
|
column1_values[kpi.name]['val'],
|
|
column2_values[kpi.name]['val'],
|
|
period.normalize_factor,
|
|
compare_col.normalize_factor,
|
|
context=context)})
|
|
|
|
return {'header': header,
|
|
'content': content}
|