vertical-cooperative/easy_my_coop_loan_account/models/interest_line.py

# Copyright 2020 Coop IT Easy SCRL fs
#   Houssine BAKKALI <houssine@coopiteasy.be>
# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).

from odoo import api, fields, models


class LoanInterestLine(models.Model):
    _inherit = "loan.interest.line"

    loan_due_fy_move = fields.Many2one(
        comodel_name="account.move",
        string="Loan due this fiscal year account move"
    )
    loan_reimbursment_move = fields.Many2one(
        comodel_name="account.move",
        string="Loan reimbursement account move"
    )
    interest_payment_move = fields.Many2one(
        comodel_name="account.move",
        string="Interest payment account move"
    )

    @api.multi
    def get_move_line(self, move_id, partner=None):
        self.ensure_one()
        move_line = {
            "date_maturity": self.due_date,
            "date": self.due_date,
            "move_id": move_id,
        }
        if partner:
            move_line["partner_id"] = partner.id
        return move_line

    @api.multi
    def create_move(self, date=None):
        self.ensure_one()
        if date:
            due_date = date
        else:
            due_date = self.due_date

        return self.env["account.move"].create({
            "ref": self.loan_issue_id.reference,
            "date": due_date,
            "journal_id": self.company_id.loan_journal.id,
        })

    @api.multi
    def generate_interest_payement_move_lines(self):
        self.ensure_one()
        move_line_obj = self.env["account.move.line"]

        move = self.create_move()
        debit_vals = self.get_move_line(self.partner_id)
        loaner_vals = self.get_move_line(self.partner_id)

        debit_vals["debit"] = self.interest
        debit_vals["account_id"] = self.company_id.interest_account.id

        loaner_vals["credit"] = self.due_amount
        loaner_vals["account_id"] = self.company_id.loaner_account
        vals_list = [debit_vals, loaner_vals]
        if self.taxes_amount > 0:
            tax_vals = self.get_move_line()
            tax_vals["credit"] = self.taxes_amount
            tax_vals["account_id"] = self.company_id.tax_account.id
            vals_list.append(tax_vals)

        move_line_obj.create(vals_list)

        self.interest_payment_mpve = move

    @api.multi
    def generate_loan_due_fy(self):
        self.ensure_one()

        move_line_obj = self.env["account.move.line"]

        move = self.create_move(fields.Date.today())

        debit_vals = self.get_move_line(self.partner_id)
        credit_vals = self.get_move_line(self.partner_id)

        debit_vals["debit"] = self.due_amount
        debit_vals["account_id"] = self.company_id.debt_long_term_account.id

        credit_vals["credit"] = self.due_amount
        credit_vals["account_id"] = self.company_id.debt_long_term_fy_account

        move_line_obj.create([debit_vals, credit_vals])

        self.loan_due_fy_move = move

    @api.model
    def _generate_move_line_debt_end_fy(self):
        fy = self.env["account.fiscal.year"].get_next_fiscal_year()
        if fy:
            interest_lines = self.search([
                ('due_date', '>=', fy.date_from),
                ('due_date', '<=', fy.date_to),
                ('due_loan_amount', '>', 0),
                ])

            for line in interest_lines:
                if (not line.loan_reimbursment_move
                        and not line.loan_due_fy_move):
                    self.generate_loan_due_fy()

    @api.model
    def _generate_payment_move(self):
        # TODO configure how many days before you want generate the move lines
        interest_lines = self.search([
            ('due_date', '>=', fy.date_from),
            ('due_date', '<=', fy.date_to),
            ('due_amount', '>', 0),
            ])
        for line in interest_lines:
            if line.interest > 0 and not line.loan_reimbursment_move:
                line.generate_interest_payement_move_lines()

        return True