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account-financial-tools/account_move_line_purchase_info/models/purchase_order.py

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from odoo import api, fields, models
class PurchaseOrder(models.Model):
_inherit = "purchase.order"
@api.depends("order_line.invoice_lines.move_id")
def _compute_journal_entries(self):
for order in self:
journal_entries = order.mapped("order_line.invoice_lines.move_id").filtered(
lambda r: r.move_type == "entry"
)
order.journal_entry_ids = journal_entries
order.journal_entries_count = len(journal_entries)
journal_entries_count = fields.Integer(compute="_compute_journal_entries")
journal_entry_ids = fields.Many2many(
comodel_name="account.move",
relation="journal_entries_ids_purchase_order",
compute="_compute_journal_entries",
string="Journal Entries",
)
@api.depends("order_line.invoice_lines.move_id")
def _compute_invoice(self):
"""Overwritten compute to avoid show all Journal Entries with
purchase_order_line as invoice_lines One2many would take them into account."""
for order in self:
invoices = order.order_line.invoice_lines.move_id.filtered(
lambda m: m.is_invoice(include_receipts=True)
)
order.invoice_ids = invoices
order.invoice_count = len(invoices)
def action_view_journal_entries(self, invoices=False):
"""This function returns an action that display existing journal entries of
given purchase order ids. When only one found, show the journal entry
immediately.
"""
if not invoices:
self.sudo()._read(["journal_entry_ids"])
invoices = self.journal_entry_ids
result = self.env["ir.actions.act_window"]._for_xml_id(
"account.action_move_journal_line"
)
# choose the view_mode accordingly
if len(invoices) > 1:
result["domain"] = [("id", "in", invoices.ids)]
elif len(invoices) == 1:
res = self.env.ref("account.view_move_form", False)
form_view = [(res and res.id or False, "form")]
if "views" in result:
result["views"] = form_view + [
(state, view) for state, view in result["views"] if view != "form"
]
else:
result["views"] = form_view
result["res_id"] = invoices.id
else:
result = {"type": "ir.actions.act_window_close"}
return result