# -*- coding: utf-8 -*- import ast from datetime import date, datetime, timedelta from odoo import api, fields, models, SUPERUSER_ID, _ from odoo.exceptions import UserError from odoo.osv import expression from odoo.tools import DEFAULT_SERVER_DATE_FORMAT, DEFAULT_SERVER_DATETIME_FORMAT class MaintenanceStage(models.Model): """ Model for case stages. This models the main stages of a Maintenance Request management flow. """ _name = 'maintenance.stage' _description = 'Maintenance Stage' _order = 'sequence, id' name = fields.Char('Name', required=True, translate=True) sequence = fields.Integer('Sequence', default=20) fold = fields.Boolean('Folded in Maintenance Pipe') done = fields.Boolean('Request Done') class MaintenanceEquipmentCategory(models.Model): _name = 'maintenance.equipment.category' _inherit = ['mail.alias.mixin', 'mail.thread'] _description = 'Maintenance Equipment Category' @api.depends('equipment_ids') def _compute_fold(self): # fix mutual dependency: 'fold' depends on 'equipment_count', which is # computed with a read_group(), which retrieves 'fold'! self.fold = False for category in self: category.fold = False if category.equipment_count else True name = fields.Char('Category Name', required=True, translate=True) company_id = fields.Many2one('res.company', string='Company', default=lambda self: self.env.company) technician_user_id = fields.Many2one('res.users', 'Responsible', tracking=True, default=lambda self: self.env.uid) color = fields.Integer('Color Index') note = fields.Html('Comments', translate=True) equipment_ids = fields.One2many('maintenance.equipment', 'category_id', string='Equipments', copy=False) equipment_count = fields.Integer(string="Equipment", compute='_compute_equipment_count') maintenance_ids = fields.One2many('maintenance.request', 'category_id', copy=False) maintenance_count = fields.Integer(string="Maintenance Count", compute='_compute_maintenance_count') alias_id = fields.Many2one( 'mail.alias', 'Alias', ondelete='restrict', required=True, help="Email alias for this equipment category. New emails will automatically " "create a new equipment under this category.") fold = fields.Boolean(string='Folded in Maintenance Pipe', compute='_compute_fold', store=True) def _compute_equipment_count(self): equipment_data = self.env['maintenance.equipment']._read_group([('category_id', 'in', self.ids)], ['category_id'], ['category_id']) mapped_data = dict([(m['category_id'][0], m['category_id_count']) for m in equipment_data]) for category in self: category.equipment_count = mapped_data.get(category.id, 0) def _compute_maintenance_count(self): maintenance_data = self.env['maintenance.request']._read_group([('category_id', 'in', self.ids)], ['category_id'], ['category_id']) mapped_data = dict([(m['category_id'][0], m['category_id_count']) for m in maintenance_data]) for category in self: category.maintenance_count = mapped_data.get(category.id, 0) @api.ondelete(at_uninstall=False) def _unlink_except_contains_maintenance_requests(self): for category in self: if category.equipment_ids or category.maintenance_ids: raise UserError(_("You cannot delete an equipment category containing equipments or maintenance requests.")) def _alias_get_creation_values(self): values = super(MaintenanceEquipmentCategory, self)._alias_get_creation_values() values['alias_model_id'] = self.env['ir.model']._get('maintenance.request').id if self.id: values['alias_defaults'] = defaults = ast.literal_eval(self.alias_defaults or "{}") defaults['category_id'] = self.id return values class MaintenanceEquipment(models.Model): _name = 'maintenance.equipment' _inherit = ['mail.thread', 'mail.activity.mixin'] _description = 'Maintenance Equipment' _check_company_auto = True def _track_subtype(self, init_values): self.ensure_one() if 'owner_user_id' in init_values and self.owner_user_id: return self.env.ref('maintenance.mt_mat_assign') return super(MaintenanceEquipment, self)._track_subtype(init_values) def name_get(self): result = [] for record in self: if record.name and record.serial_no: result.append((record.id, record.name + '/' + record.serial_no)) if record.name and not record.serial_no: result.append((record.id, record.name)) return result @api.model def _name_search(self, name, args=None, operator='ilike', limit=100, name_get_uid=None): args = args or [] equipment_ids = [] if name and operator not in expression.NEGATIVE_TERM_OPERATORS and operator != '=': equipment_ids = self._search([('name', '=', name)] + args, limit=limit, access_rights_uid=name_get_uid) return equipment_ids or super()._name_search(name, args, operator, limit, name_get_uid) name = fields.Char('Equipment Name', required=True, translate=True) company_id = fields.Many2one('res.company', string='Company', default=lambda self: self.env.company) active = fields.Boolean(default=True) technician_user_id = fields.Many2one('res.users', string='Technician', tracking=True) owner_user_id = fields.Many2one('res.users', string='Owner', tracking=True) category_id = fields.Many2one('maintenance.equipment.category', string='Equipment Category', tracking=True, group_expand='_read_group_category_ids') partner_id = fields.Many2one('res.partner', string='Vendor', check_company=True) partner_ref = fields.Char('Vendor Reference') location = fields.Char('Location') model = fields.Char('Model') serial_no = fields.Char('Serial Number', copy=False) assign_date = fields.Date('Assigned Date', tracking=True) effective_date = fields.Date('Effective Date', default=fields.Date.context_today, required=True, help="Date at which the equipment became effective. This date will be used to compute the Mean Time Between Failure.") cost = fields.Float('Cost') note = fields.Html('Note') warranty_date = fields.Date('Warranty Expiration Date') color = fields.Integer('Color Index') scrap_date = fields.Date('Scrap Date') maintenance_ids = fields.One2many('maintenance.request', 'equipment_id') maintenance_count = fields.Integer(compute='_compute_maintenance_count', string="Maintenance Count", store=True) maintenance_open_count = fields.Integer(compute='_compute_maintenance_count', string="Current Maintenance", store=True) period = fields.Integer('Days between each preventive maintenance') next_action_date = fields.Date(compute='_compute_next_maintenance', string='Date of the next preventive maintenance', store=True) maintenance_team_id = fields.Many2one('maintenance.team', string='Maintenance Team', check_company=True, ondelete="restrict") maintenance_duration = fields.Float(help="Maintenance Duration in hours.") @api.depends('effective_date', 'period', 'maintenance_ids.request_date', 'maintenance_ids.close_date') def _compute_next_maintenance(self): date_now = fields.Date.context_today(self) equipments = self.filtered(lambda x: x.period > 0) for equipment in equipments: next_maintenance_todo = self.env['maintenance.request'].search([ ('equipment_id', '=', equipment.id), ('maintenance_type', '=', 'preventive'), ('stage_id.done', '!=', True), ('close_date', '=', False)], order="request_date asc", limit=1) last_maintenance_done = self.env['maintenance.request'].search([ ('equipment_id', '=', equipment.id), ('maintenance_type', '=', 'preventive'), ('stage_id.done', '=', True), ('close_date', '!=', False)], order="close_date desc", limit=1) if next_maintenance_todo and last_maintenance_done: next_date = next_maintenance_todo.request_date date_gap = next_maintenance_todo.request_date - last_maintenance_done.close_date # If the gap between the last_maintenance_done and the next_maintenance_todo one is bigger than 2 times the period and next request is in the future # We use 2 times the period to avoid creation too closed request from a manually one created if date_gap > timedelta(0) and date_gap > timedelta(days=equipment.period) * 2 and next_maintenance_todo.request_date > date_now: # If the new date still in the past, we set it for today if last_maintenance_done.close_date + timedelta(days=equipment.period) < date_now: next_date = date_now else: next_date = last_maintenance_done.close_date + timedelta(days=equipment.period) elif next_maintenance_todo: next_date = next_maintenance_todo.request_date date_gap = next_maintenance_todo.request_date - date_now # If next maintenance to do is in the future, and in more than 2 times the period, we insert an new request # We use 2 times the period to avoid creation too closed request from a manually one created if date_gap > timedelta(0) and date_gap > timedelta(days=equipment.period) * 2: next_date = date_now + timedelta(days=equipment.period) elif last_maintenance_done: next_date = last_maintenance_done.close_date + timedelta(days=equipment.period) # If when we add the period to the last maintenance done and we still in past, we plan it for today if next_date < date_now: next_date = date_now else: next_date = equipment.effective_date + timedelta(days=equipment.period) equipment.next_action_date = next_date (self - equipments).next_action_date = False @api.depends('maintenance_ids.stage_id.done') def _compute_maintenance_count(self): for equipment in self: equipment.maintenance_count = len(equipment.maintenance_ids) equipment.maintenance_open_count = len(equipment.maintenance_ids.filtered(lambda x: not x.stage_id.done)) @api.onchange('company_id') def _onchange_company_id(self): if self.company_id and self.maintenance_team_id: if self.maintenance_team_id.company_id and not self.maintenance_team_id.company_id.id == self.company_id.id: self.maintenance_team_id = False @api.onchange('category_id') def _onchange_category_id(self): self.technician_user_id = self.category_id.technician_user_id _sql_constraints = [ ('serial_no', 'unique(serial_no)', "Another asset already exists with this serial number!"), ] @api.model_create_multi def create(self, vals_list): equipments = super().create(vals_list) for equipment in equipments: if equipment.owner_user_id: equipment.message_subscribe(partner_ids=[equipment.owner_user_id.partner_id.id]) return equipments def write(self, vals): if vals.get('owner_user_id'): self.message_subscribe(partner_ids=self.env['res.users'].browse(vals['owner_user_id']).partner_id.ids) return super(MaintenanceEquipment, self).write(vals) @api.model def _read_group_category_ids(self, categories, domain, order): """ Read group customization in order to display all the categories in the kanban view, even if they are empty. """ category_ids = categories._search([], order=order, access_rights_uid=SUPERUSER_ID) return categories.browse(category_ids) def _prepare_maintenance_request_vals(self, date): self.ensure_one() return { 'name': _('Preventive Maintenance - %s', self.name), 'request_date': date, 'schedule_date': date, 'category_id': self.category_id.id, 'equipment_id': self.id, 'maintenance_type': 'preventive', 'owner_user_id': self.owner_user_id.id, 'user_id': self.technician_user_id.id, 'maintenance_team_id': self.maintenance_team_id.id, 'duration': self.maintenance_duration, 'company_id': self.company_id.id or self.env.company.id } def _create_new_request(self, date): self.ensure_one() vals = self._prepare_maintenance_request_vals(date) maintenance_requests = self.env['maintenance.request'].create(vals) return maintenance_requests @api.model def _cron_generate_requests(self): """ Generates maintenance request on the next_action_date or today if none exists """ for equipment in self.search([('period', '>', 0)]): next_requests = self.env['maintenance.request'].search([('stage_id.done', '=', False), ('equipment_id', '=', equipment.id), ('maintenance_type', '=', 'preventive'), ('request_date', '=', equipment.next_action_date)]) if not next_requests: equipment._create_new_request(equipment.next_action_date) class MaintenanceRequest(models.Model): _name = 'maintenance.request' _inherit = ['mail.thread.cc', 'mail.activity.mixin'] _description = 'Maintenance Request' _order = "id desc" _check_company_auto = True @api.returns('self') def _default_stage(self): return self.env['maintenance.stage'].search([], limit=1) def _creation_subtype(self): return self.env.ref('maintenance.mt_req_created') def _track_subtype(self, init_values): self.ensure_one() if 'stage_id' in init_values: return self.env.ref('maintenance.mt_req_status') return super(MaintenanceRequest, self)._track_subtype(init_values) def _get_default_team_id(self): MT = self.env['maintenance.team'] team = MT.search([('company_id', '=', self.env.company.id)], limit=1) if not team: team = MT.search([], limit=1) return team.id name = fields.Char('Subjects', required=True) company_id = fields.Many2one('res.company', string='Company', default=lambda self: self.env.company) description = fields.Html('Description') request_date = fields.Date('Request Date', tracking=True, default=fields.Date.context_today, help="Date requested for the maintenance to happen") owner_user_id = fields.Many2one('res.users', string='Created by User', default=lambda s: s.env.uid) category_id = fields.Many2one('maintenance.equipment.category', related='equipment_id.category_id', string='Category', store=True, readonly=True) equipment_id = fields.Many2one('maintenance.equipment', string='Equipment', ondelete='restrict', index=True, check_company=True) user_id = fields.Many2one('res.users', string='Technician', tracking=True) stage_id = fields.Many2one('maintenance.stage', string='Stage', ondelete='restrict', tracking=True, group_expand='_read_group_stage_ids', default=_default_stage, copy=False) priority = fields.Selection([('0', 'Very Low'), ('1', 'Low'), ('2', 'Normal'), ('3', 'High')], string='Priority') color = fields.Integer('Color Index') close_date = fields.Date('Close Date', help="Date the maintenance was finished. ") kanban_state = fields.Selection([('normal', 'In Progress'), ('blocked', 'Blocked'), ('done', 'Ready for next stage')], string='Kanban State', required=True, default='normal', tracking=True) # active = fields.Boolean(default=True, help="Set active to false to hide the maintenance request without deleting it.") archive = fields.Boolean(default=False, help="Set archive to true to hide the maintenance request without deleting it.") maintenance_type = fields.Selection([('corrective', 'Corrective'), ('preventive', 'Preventive')], string='Maintenance Type', default="corrective") schedule_date = fields.Datetime('Scheduled Date', help="Date the maintenance team plans the maintenance. It should not differ much from the Request Date. ") maintenance_team_id = fields.Many2one('maintenance.team', string='Team', required=True, default=_get_default_team_id, check_company=True) duration = fields.Float(help="Duration in hours.") done = fields.Boolean(related='stage_id.done') def archive_equipment_request(self): self.write({'archive': True}) def reset_equipment_request(self): """ Reinsert the maintenance request into the maintenance pipe in the first stage""" first_stage_obj = self.env['maintenance.stage'].search([], order="sequence asc", limit=1) # self.write({'active': True, 'stage_id': first_stage_obj.id}) self.write({'archive': False, 'stage_id': first_stage_obj.id}) @api.onchange('company_id') def _onchange_company_id(self): if self.company_id and self.maintenance_team_id: if self.maintenance_team_id.company_id and not self.maintenance_team_id.company_id.id == self.company_id.id: self.maintenance_team_id = False @api.onchange('equipment_id') def onchange_equipment_id(self): if self.equipment_id: self.user_id = self.equipment_id.technician_user_id if self.equipment_id.technician_user_id else self.equipment_id.category_id.technician_user_id self.category_id = self.equipment_id.category_id if self.equipment_id.maintenance_team_id: self.maintenance_team_id = self.equipment_id.maintenance_team_id.id @api.onchange('category_id') def onchange_category_id(self): if not self.user_id or not self.equipment_id or (self.user_id and not self.equipment_id.technician_user_id): self.user_id = self.category_id.technician_user_id @api.model_create_multi def create(self, vals_list): # context: no_log, because subtype already handle this maintenance_requests = super().create(vals_list) for request in maintenance_requests: if request.owner_user_id or request.user_id: request._add_followers() if request.equipment_id and not request.maintenance_team_id: request.maintenance_team_id = request.equipment_id.maintenance_team_id if request.close_date and not request.stage_id.done: request.close_date = False if not request.close_date and request.stage_id.done: request.close_date = fields.Date.today() maintenance_requests.activity_update() return maintenance_requests def write(self, vals): # Overridden to reset the kanban_state to normal whenever # the stage (stage_id) of the Maintenance Request changes. if vals and 'kanban_state' not in vals and 'stage_id' in vals: vals['kanban_state'] = 'normal' res = super(MaintenanceRequest, self).write(vals) if vals.get('owner_user_id') or vals.get('user_id'): self._add_followers() if 'stage_id' in vals: self.filtered(lambda m: m.stage_id.done).write({'close_date': fields.Date.today()}) self.filtered(lambda m: not m.stage_id.done).write({'close_date': False}) self.activity_feedback(['maintenance.mail_act_maintenance_request']) self.activity_update() if vals.get('user_id') or vals.get('schedule_date'): self.activity_update() if vals.get('equipment_id'): # need to change description of activity also so unlink old and create new activity self.activity_unlink(['maintenance.mail_act_maintenance_request']) self.activity_update() return res def activity_update(self): """ Update maintenance activities based on current record set state. It reschedule, unlink or create maintenance request activities. """ self.filtered(lambda request: not request.schedule_date).activity_unlink(['maintenance.mail_act_maintenance_request']) for request in self.filtered(lambda request: request.schedule_date): date_dl = fields.Datetime.from_string(request.schedule_date).date() updated = request.activity_reschedule( ['maintenance.mail_act_maintenance_request'], date_deadline=date_dl, new_user_id=request.user_id.id or request.owner_user_id.id or self.env.uid) if not updated: if request.equipment_id: note = _( 'Request planned for %s', request.equipment_id._get_html_link() ) else: note = False request.activity_schedule( 'maintenance.mail_act_maintenance_request', fields.Datetime.from_string(request.schedule_date).date(), note=note, user_id=request.user_id.id or request.owner_user_id.id or self.env.uid) def _add_followers(self): for request in self: partner_ids = (request.owner_user_id.partner_id + request.user_id.partner_id).ids request.message_subscribe(partner_ids=partner_ids) @api.model def _read_group_stage_ids(self, stages, domain, order): """ Read group customization in order to display all the stages in the kanban view, even if they are empty """ stage_ids = stages._search([], order=order, access_rights_uid=SUPERUSER_ID) return stages.browse(stage_ids) class MaintenanceTeam(models.Model): _name = 'maintenance.team' _description = 'Maintenance Teams' name = fields.Char('Team Name', required=True, translate=True) active = fields.Boolean(default=True) company_id = fields.Many2one('res.company', string='Company', default=lambda self: self.env.company) member_ids = fields.Many2many( 'res.users', 'maintenance_team_users_rel', string="Team Members", domain="[('company_ids', 'in', company_id)]") color = fields.Integer("Color Index", default=0) request_ids = fields.One2many('maintenance.request', 'maintenance_team_id', copy=False) equipment_ids = fields.One2many('maintenance.equipment', 'maintenance_team_id', copy=False) # For the dashboard only todo_request_ids = fields.One2many('maintenance.request', string="Requests", copy=False, compute='_compute_todo_requests') todo_request_count = fields.Integer(string="Number of Requests", compute='_compute_todo_requests') todo_request_count_date = fields.Integer(string="Number of Requests Scheduled", compute='_compute_todo_requests') todo_request_count_high_priority = fields.Integer(string="Number of Requests in High Priority", compute='_compute_todo_requests') todo_request_count_block = fields.Integer(string="Number of Requests Blocked", compute='_compute_todo_requests') todo_request_count_unscheduled = fields.Integer(string="Number of Requests Unscheduled", compute='_compute_todo_requests') @api.depends('request_ids.stage_id.done') def _compute_todo_requests(self): for team in self: team.todo_request_ids = self.env['maintenance.request'].search([('maintenance_team_id', '=', team.id), ('stage_id.done', '=', False)]) team.todo_request_count = len(team.todo_request_ids) team.todo_request_count_date = self.env['maintenance.request'].search_count([('maintenance_team_id', '=', team.id), ('schedule_date', '!=', False)]) team.todo_request_count_high_priority = self.env['maintenance.request'].search_count([('maintenance_team_id', '=', team.id), ('priority', '=', '3')]) team.todo_request_count_block = self.env['maintenance.request'].search_count([('maintenance_team_id', '=', team.id), ('kanban_state', '=', 'blocked')]) team.todo_request_count_unscheduled = self.env['maintenance.request'].search_count([('maintenance_team_id', '=', team.id), ('schedule_date', '=', False)]) @api.depends('equipment_ids') def _compute_equipment(self): for team in self: team.equipment_count = len(team.equipment_ids)