94 lines
3.9 KiB
Python
94 lines
3.9 KiB
Python
# Copyright 2018 Creu Blanca
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# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
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from odoo import _, api, fields, models
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from odoo.exceptions import UserError
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class AccountLoan(models.TransientModel):
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_name = "account.loan.pay.amount"
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_description = "Loan pay amount"
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loan_id = fields.Many2one("account.loan", required=True, readonly=True,)
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currency_id = fields.Many2one(
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"res.currency", related="loan_id.currency_id", readonly=True
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)
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cancel_loan = fields.Boolean(default=False,)
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date = fields.Date(required=True, default=fields.Date.today())
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amount = fields.Monetary(
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currency_field="currency_id", string="Amount to reduce from Principal",
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)
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fees = fields.Monetary(currency_field="currency_id", string="Bank fees")
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@api.onchange("cancel_loan")
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def _onchange_cancel_loan(self):
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if self.cancel_loan:
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self.amount = max(
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self.loan_id.line_ids.filtered(lambda r: not r.move_ids).mapped(
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"pending_principal_amount"
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)
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)
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def new_line_vals(self, sequence):
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return {
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"loan_id": self.loan_id.id,
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"sequence": sequence,
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"payment_amount": self.amount + self.fees,
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"rate": 0,
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"interests_amount": self.fees,
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"date": self.date,
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}
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def run(self):
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self.ensure_one()
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if self.loan_id.is_leasing:
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if self.loan_id.line_ids.filtered(
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lambda r: r.date <= self.date and not r.move_ids
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):
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raise UserError(_("Some invoices are not created"))
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if self.loan_id.line_ids.filtered(
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lambda r: r.date > self.date and r.move_ids
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):
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raise UserError(_("Some future invoices already exists"))
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if self.loan_id.line_ids.filtered(
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lambda r: r.date < self.date and not r.move_ids
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):
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raise UserError(_("Some moves are not created"))
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if self.loan_id.line_ids.filtered(lambda r: r.date > self.date and r.move_ids):
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raise UserError(_("Some future moves already exists"))
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lines = self.loan_id.line_ids.filtered(lambda r: r.date > self.date).sorted(
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"sequence", reverse=True
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)
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sequence = min(lines.mapped("sequence"))
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for line in lines:
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line.sequence += 1
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line.flush()
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old_line = lines.filtered(lambda r: r.sequence == sequence + 1)
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pending = old_line.pending_principal_amount
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if self.loan_id.currency_id.compare_amounts(self.amount, pending) == 1:
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raise UserError(_("Amount cannot be bigger than debt"))
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if self.loan_id.currency_id.compare_amounts(self.amount, 0) <= 0:
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raise UserError(_("Amount cannot be less than zero"))
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self.loan_id.periods += 1
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self.loan_id.fixed_periods = self.loan_id.periods - sequence
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self.loan_id.fixed_loan_amount = pending - self.amount
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new_line = self.env["account.loan.line"].create(self.new_line_vals(sequence))
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new_line.long_term_pending_principal_amount = (
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old_line.long_term_pending_principal_amount
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)
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amount = self.loan_id.loan_amount
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for line in self.loan_id.line_ids.sorted("sequence"):
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if line.move_ids:
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amount = line.final_pending_principal_amount
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else:
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line.pending_principal_amount = amount
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if line.sequence != sequence:
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line.rate = self.loan_id.rate_period
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line.check_amount()
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amount -= line.payment_amount - line.interests_amount
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if self.loan_id.long_term_loan_account_id:
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self.loan_id.check_long_term_principal_amount()
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if self.loan_id.currency_id.compare_amounts(pending, self.amount) == 0:
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self.loan_id.write({"state": "cancelled"})
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return new_line.view_process_values()
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