eiru_civil_engineering/models/construction_expenses_move_line.py

# -*- coding: utf-8 -*-
from openerp import models, fields, tools, api, _
import openerp.addons.decimal_precision as dp
from  openerp.exceptions import Warning, except_orm, AccessError


class ConstructionExpensesMoveLine(models.Model):
    _name = 'construction.expenses.move.line'

    name = fields.Char('name')
    ''' Move Line '''
    code = fields.Char('Code', size=32)
    move_line_id = fields.Many2one('construction.move.line', string='Move Line', ondelete='restrict', index=True)
    invoice_id = fields.Many2one('account.invoice', string='Invoice', ondelete='restrict', index=True)
    quantity = fields.Float('Price Unit', default=0.0)
    price_unit = fields.Float('Price Unit', digits_compute=dp.get_precision('Account'), default=0.0)
    amount_total = fields.Float('Amount Total', digits_compute=dp.get_precision('Account'), default=0.0)
    comment = fields.Text('Comment', help='information')

    invoice_line_id = fields.Many2one('account.invoice.line', string='Invoice Line', ondelete='restrict', index=True)
    ''' Invoice Line '''

    ''' onchange select invoice line '''
    @api.onchange('invoice_line_id')
    def cheak_line_invoice(self):
        line = self.invoice_line_id

        self.quantity = line.quantity
        self.price_unit = line.price_unit
        self.amount_total = self.quantity * self.price_unit

    ''' onchange Amount and quantity '''
    @api.onchange('quantity', 'price_unit')
    def onchange_amount_expenses(self):
        self.amount_total = self.quantity * self.price_unit


    @api.multi
    def write(self, vals):
        newVals = sorted(vals)

        qty = vals['quantity'] if('quantity' in newVals) else self.quantity
        priceUnit = vals['price_unit'] if('price_unit' in newVals) else self.price_unit

        vals['amount_total'] = qty * priceUnit
        expensesMove = super(ConstructionExpensesMoveLine, self).write(vals)

        moveLine = self.env['construction.move.line'].browse(self.move_line_id.id)
        if (moveLine):
            amount = 0
            for expense in moveLine.expenses_ids:
                amount += expense.amount_total

            moveLine.amount_expenses = amount
            moveLine.residual = moveLine.amount_total - amount
            # import web_pdb; web_pdb.set_trace()
            moveLine.recalculate_paid_expense()



class ConstructionMoveLineExpenses(models.Model):
    _inherit = 'construction.move.line'

    expenses_ids = fields.One2many('construction.expenses.move.line', 'move_line_id', string='Expenses')

class AccountInvoiceMoveLineExpenses(models.Model):
    _inherit = 'account.invoice'

    expenses_ids = fields.One2many('construction.expenses.move.line', 'invoice_id', string='Expenses')