eiru_base_for_services/models/car_workshop.py

# -*- coding: utf-8 -*-
##############################################################################
#
#    Cybrosys Technologies Pvt. Ltd.
#    Copyright (C) 2008-TODAY Cybrosys Technologies(<http://www.cybrosys.com>).
#    Author: Nilmar Shereef(<http://www.cybrosys.com>)
#    you can modify it under the terms of the GNU LESSER
#    GENERAL PUBLIC LICENSE (LGPL v3), Version 3.
#
#    It is forbidden to publish, distribute, sublicense, or sell copies
#    of the Software or modified copies of the Software.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU LESSER GENERAL PUBLIC LICENSE (LGPL v3) for more details.
#
#    You should have received a copy of the GNU LESSER GENERAL PUBLIC LICENSE
#    GENERAL PUBLIC LICENSE (LGPL v3) along with this program.
#    If not, see <http://www.gnu.org/licenses/>.
#
##############################################################################
from datetime import date
from dateutil.relativedelta import relativedelta
from openerp import models, api, fields, _
from openerp.osv import osv


class CarWorkshop(models.Model):
    _name = 'car.workshop'
    _inherit = ['mail.thread']

    name = fields.Char(string='Title', track_visibility='onchange', required=True)
    vehicle_id = fields.Many2one('car.car', string='Vehicle', track_visibility='onchange')
    user_id = fields.Many2one('res.users', string='Assigned to', select=True)
    active = fields.Boolean('Active')
    partner_id = fields.Many2one('res.partner', string='Customer')
    priority = fields.Selection([('0', 'Normal'), ('1', 'High')], string='Priority', select=True)
    description = fields.Html('Description')
    sequence = fields.Integer(string='Sequence', select=True, help="Gives the sequence order when displaying a list of tasks.")
    tag_ids = fields.Many2many('worksheet.tags', string='Tags')
    kanban_state = fields.Selection(
        [('normal', 'In Progress'), ('done', 'Ready for next stage'), ('blocked', 'Blocked')], string='Kanban State',
        help="A task's kanban state indicates special situations affecting it:\n"
             " * Normal is the default situation\n"
             " * Blocked indicates something is preventing the progress of this task\n"
             " * Ready for next stage indicates the task is ready to be pulled to the next stage",
        required=True, track_visibility='onchange', copy=False)
    create_date = fields.Datetime(string='Create Date', readonly=True, select=True)
    write_date = fields.Datetime(string='Last Modification Date', readonly=True, select=True)
    date_start = fields.Datetime(string='Starting Date', select=True, copy=False)
    date_end = fields.Datetime(string='Ending Date', select=True, copy=False)
    date_assign = fields.Datetime(string='Assigning Date', select=True, copy=False, readonly=True)
    date_deadline = fields.Datetime(string='Deadline', select=True, copy=False)
    progress = fields.Integer(string="Working Time Progress(%)", copy=False, readonly=True)
    date_last_stage_update = fields.Datetime(string='Last Stage Update', select=True, copy=False, readonly=True)
    id = fields.Integer(string='ID', readonly=True)
    color = fields.Integer(string='Color Index')
    company_id = fields.Many2one('res.company', string='Company',
                                 default=lambda self: self.env['res.company']._company_default_get('car.workshop'))
    stage_id = fields.Many2one('worksheet.stages', string='Stage', track_visibility='onchange', copy=False)
    state = fields.Selection([
        ('waiting', 'Ready'),
        ('workshop_create_invoices', 'Invoiced'),
        ('cancel', 'Invoice Canceled'),
    ], string='Status', readonly=True, default='waiting', track_visibility='onchange', select=True)
    planned_works = fields.One2many('planned.work', 'work_id', string='Planned/Ordered Works')
    works_done = fields.One2many('planned.work', 'work_id', string='Work Done', domain=[('completed', '=', True)])
    materials_used = fields.One2many('material.used', 'material_id', string='Materials Used')
    remaining_hour = fields.Float(string='Remaining Hour',readonly=True, compute="hours_left")
    effective_hour = fields.Float(string='Hours Spent', readonly=True, compute="hours_spent")
    amount_total = fields.Float(string='Total Amount', readonly=True, compute="amount_total1")
    include_materials = fields.Boolean('Incluir')
    
    _defaults = {
        'stage_id': 1,
        'vehicle_id': lambda self, cr, uid, ctx=None: ctx.get('default_vehicle_id') if ctx is not None else False,
        'date_last_stage_update': fields.datetime.now(),
        'kanban_state': 'normal',
        'priority': '0',
        'sequence': 10,
        'active': True,
        'user_id': lambda obj, cr, uid, ctx=None: uid,
        'partner_id': lambda self, cr, uid, ctx=None: self._get_default_vehicle(cr, uid, context=ctx),
        'date_start': fields.datetime.now(),
    }

    @api.depends('planned_works.work_cost', 'materials_used.price')
    def amount_total1(self):
        for records in self:
            for hour in records:
                amount_totall = 0.0
                for line in hour.planned_works:
                    amount_totall += line.work_cost
                if self.include_materials==True:
                    for line2 in hour.materials_used:
                        amount_totall += line2.price
                records.amount_total = amount_totall

    @api.multi
    def cancel(self):
        self.state = 'cancel'

    @api.multi
    def workshop_create_invoices(self):
        self.state = 'workshop_create_invoices'
        inv_obj = self.env['account.invoice']
        inv_line_obj = self.env['account.invoice.line']
        customer = self.partner_id
        if not customer.name:
            raise osv.except_osv(_('UserError!'), _('Please select a Customer.'))
        company_id = self.env['res.users'].browse(1).company_id
        currency_value = company_id.currency_id.id
        self.ensure_one()
        ir_values = self.env['ir.values']
        journal_id = ir_values.get_default('workshop.config.setting', 'invoice_journal_type')
        if not journal_id:
            journal_id = 1
        inv_data = {
            'name': customer.name,
            'reference': customer.name,
            'account_id': customer.property_account_receivable.id,
            'partner_id': customer.id,
            'currency_id': currency_value,
            'journal_id': journal_id,
            'origin': self.name,
            'company_id': company_id.id,
        }
        inv_id = inv_obj.create(inv_data)
        for records in self.planned_works:
            if records.planned_work.id:
                income_account = records.planned_work.property_account_income.id
            if not income_account:
                raise osv.except_osv(_('UserError!'), _('There is no income account defined '
                                                        'for this product: "%s".') % (records.planned_work.name,))
            inv_line_data = {
                'name': records.planned_work.name,
                'account_id': income_account,
                'price_unit': records.work_cost,
                'quantity': 1,
                'product_id': records.planned_work.id,
                'invoice_id': inv_id.id,
            }
            inv_line_obj.create(inv_line_data)
        for records in self.materials_used:
            if records.material.id:
                income_account = records.material.property_account_income.id
            if not income_account:
                raise osv.except_osv(_('UserError!'), _('There is no income account defined '
                                                        'for this product: "%s".') % (records.material.name,))
            if self.include_materials==True:
                inv_line_data = {
                    'name': records.material.name,
                    'account_id': records.material.property_account_income.id,
                    'price_unit': records.price,
                    'quantity': records.amount,
                    'product_id': records.material.id,
                    'invoice_id': inv_id.id,
                }
                inv_line_obj.create(inv_line_data)
        imd = self.env['ir.model.data']
        action = imd.xmlid_to_object('account.action_invoice_tree1')
        list_view_id = imd.xmlid_to_res_id('account.invoice_tree')
        form_view_id = imd.xmlid_to_res_id('account.invoice_form')
        result = {
            'name': action.name,
            'help': action.help,
            'type': 'ir.actions.act_window',
            'views': [[list_view_id, 'tree'], [form_view_id, 'form'], [False, 'graph'], [False, 'kanban'],
                      [False, 'calendar'], [False, 'pivot']],
            'target': action.target,
            'context': action.context,
            'res_model': 'account.invoice',
        }
        if len(inv_id) > 1:
            result['domain'] = "[('id','in',%s)]" % inv_id.ids
        elif len(inv_id) == 1:
            result['views'] = [(form_view_id, 'form')]
            result['res_id'] = inv_id.ids[0]
        else:
            result = {'type': 'ir.actions.act_window_close'}
        invoiced_records = self.env['car.workshop']
        total = 0
        for rows in invoiced_records:
            invoiced_date = rows.date
            invoiced_date = invoiced_date[0:10]
            if invoiced_date == str(date.today()):
                total = total + rows.price_subtotal
        return result

    @api.depends('works_done.duration')
    def hours_spent(self):
        for hour in self:
            effective_hour = 0.0
            for line in hour.works_done:
                effective_hour += line.duration
            self.effective_hour = effective_hour

    @api.depends('planned_works.time_spent')
    def hours_left(self):
        for hour in self:
            remaining_hour = 0.0
            for line in hour.planned_works:
                remaining_hour += line.time_spent
            self.remaining_hour = remaining_hour-self.effective_hour

    def _track_subtype(self, cr, uid, ids, init_values, context=None):
        record = self.browse(cr, uid, ids[0], context=context)
        if 'kanban_state' in init_values and record.kanban_state == 'blocked':
            return 'fleet_car_workshop.mt_task_blocked'
        elif 'kanban_state' in init_values and record.kanban_state == 'done':
            return 'fleet_car_workshop.mt_task_ready'
        elif 'user_id' in init_values and record.user_id:  # assigned -> new
            return 'fleet_car_workshop.mt_task_new'
        elif 'stage_id' in init_values and record.stage_id and record.stage_id.sequence <= 1:  # start stage -> new
            return 'fleet_car_workshop.mt_task_new'
        elif 'stage_id' in init_values:
            return 'fleet_car_workshop.mt_task_stage'
        return super(CarWorkshop, self)._track_subtype(cr, uid, ids, init_values, context=context)

    def create(self, cr, uid, vals, context=None):
        context = dict(context or {})
        if vals.get('vehicle_id') and not context.get('default_vehicle_id'):
            context['default_vehicle_id'] = vals.get('vehicle_id')
        if vals.get('user_id'):
            vals['date_assign'] = fields.datetime.now()
        create_context = dict(context, mail_create_nolog=True)
        work_id = super(CarWorkshop, self).create(cr, uid, vals, context=create_context)
        return work_id
    #

    def write(self, cr, uid, ids, vals, context=None):
        if isinstance(ids, (int, long)):
            ids = [ids]
        if 'stage_id' in vals:
            vals['date_last_stage_update'] = fields.datetime.now()
            vals['date_assign'] = fields.datetime.now()
        if vals and not'kanban_state' in vals and 'stage_id' in vals:
            new_stage = vals.get('stage_id')
            vals_reset_kstate = dict(vals, kanban_state='normal')
            for t in self.browse(cr, uid, ids, context=context):
                write_vals = vals_reset_kstate if t.stage_id.id != new_stage else vals
                super(CarWorkshop, self).write(cr, uid, [t.id], write_vals, context=context)
            result = True
        else:
            result = super(CarWorkshop, self).write(cr, uid, ids, vals, context=context)
        return result

    def _read_group_stages(self, cr, uid, ids, domain, read_group_order=None, access_rights_uid=None, context=None):
        if context is None:
            context = {}
        stage_obj = self.pool.get('worksheet.stages')
        order = stage_obj._order
        access_rights_uid = access_rights_uid or uid
        if read_group_order == 'stage_id desc':
            order = '%s desc' % order
        if 'default_vehicle_id' in context:
            search_domain = ['|', ('vehicle_ids', '=', context['default_vehicle_id']), ('id', 'in', ids)]
        else:
            search_domain = [('id', 'in', ids)]
        stage_ids = stage_obj._search(cr, uid, search_domain, order=order, access_rights_uid=access_rights_uid, context=context)
        result = stage_obj.name_get(cr, access_rights_uid, stage_ids, context=context)
        # restore order of the search
        result.sort(lambda x, y: cmp(stage_ids.index(x[0]), stage_ids.index(y[0])))

        fold = {}
        for stage in stage_obj.browse(cr, access_rights_uid, stage_ids, context=context):
            fold[stage.id] = stage.fold or False
        return result, fold

    _group_by_full = {
        'stage_id': _read_group_stages,
    }

    @api.cr_uid_ids_context
    def onchange_vehicle(self, cr, uid, id, vehicle_id, context=None):
        values = {}
        if vehicle_id:
            vehicle = self.pool.get('fleet.vehicle').browse(cr, uid, vehicle_id, context=context)
            if vehicle.exists():
                values['partner_id'] = vehicle.partner_id.id
        else:
            values['stage_id'] = False
        return {'value': values}

    def _get_default_vehicle(self, cr, uid, context=None):
        if context is None:
            context = {}
        if 'default_vehicle_id' in context:
            vehicle = self.pool.get('car.car').browse(cr, uid, context['default_vehicle_id'], context=context)
            if vehicle and vehicle.partner_id:
                return vehicle.partner_id.id
        return False