67 lines
3.3 KiB
Python
67 lines
3.3 KiB
Python
# -*- coding: utf-8 -*-
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# Part of Odoo. See LICENSE file for full copyright and licensing details.
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from odoo import api, fields, models, _
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from dateutil.relativedelta import relativedelta
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class MaintenanceEquipment(models.Model):
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_inherit = "maintenance.equipment"
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_check_company_auto = True
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expected_mtbf = fields.Integer(string='Expected MTBF', help='Expected Mean Time Between Failure')
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mtbf = fields.Integer(compute='_compute_maintenance_request', string='MTBF',
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help='Mean Time Between Failure, computed based on done corrective maintenances.')
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mttr = fields.Integer(compute='_compute_maintenance_request', string='MTTR', help='Mean Time To Repair')
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estimated_next_failure = fields.Date(compute='_compute_maintenance_request',
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string='Estimated time before next failure (in days)',
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help='Computed as Latest Failure Date + MTBF')
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latest_failure_date = fields.Date(compute='_compute_maintenance_request', string='Latest Failure Date')
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workcenter_id = fields.Many2one(
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'mrp.workcenter', string='Work Center', check_company=True)
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@api.depends('effective_date', 'maintenance_ids.stage_id', 'maintenance_ids.close_date',
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'maintenance_ids.request_date')
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def _compute_maintenance_request(self):
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for equipment in self:
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maintenance_requests = equipment.maintenance_ids.filtered(
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lambda x: x.maintenance_type == 'corrective' and x.stage_id.done)
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mttr_days = 0
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for maintenance in maintenance_requests:
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if maintenance.stage_id.done and maintenance.close_date:
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mttr_days += (maintenance.close_date - maintenance.request_date).days
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equipment.mttr = len(maintenance_requests) and (mttr_days / len(maintenance_requests)) or 0
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maintenance = maintenance_requests.sorted(lambda x: x.request_date)
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if len(maintenance) >= 1:
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equipment.mtbf = (maintenance[-1].request_date - equipment.effective_date).days / len(maintenance)
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equipment.latest_failure_date = maintenance and maintenance[-1].request_date or False
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if equipment.mtbf:
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equipment.estimated_next_failure = equipment.latest_failure_date + relativedelta(days=equipment.mtbf)
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else:
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equipment.estimated_next_failure = False
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def button_mrp_workcenter(self):
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self.ensure_one()
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return {
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'name': _('work centers'),
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'view_mode': 'form',
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'res_model': 'mrp.workcenter',
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'view_id': self.env.ref('mrp.mrp_workcenter_view').id,
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'type': 'ir.actions.act_window',
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'res_id': self.workcenter_id.id,
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'context': {
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'default_company_id': self.company_id.id
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}
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}
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class MaintenanceRequest(models.Model):
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_inherit = "maintenance.request"
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_check_company_auto = True
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production_id = fields.Many2one(
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'mrp.production', string='Manufacturing Order', check_company=True)
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workorder_id = fields.Many2one(
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'mrp.workorder', string='Work Order', check_company=True)
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production_company_id = fields.Many2one(string='Production Company', related='production_id.company_id')
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company_id = fields.Many2one(domain="[('id', '=?', production_company_id)]")
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