[IMP] account_asset_management: Allow to reverse the posting of a depreciation line

instead of deleting the journal entry.
This will be done when the company has activated the inalterability hash
on the original journal entry.

account_asset_management/wizard/wiz_asset_move_reverse.py

@@ -0,0 +1,59 @@
+# Copyright 2021 ForgeFlow, S.L.
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+from odoo import api, fields, models
+
+
+class WizAssetMoveReverse(models.TransientModel):
+    _name = "wiz.asset.move.reverse"
+    _description = "Reverse posted journal entry on depreciation line"
+
+    line_id = fields.Many2one(
+        comodel_name="account.asset.line",
+        string="Asset Line",
+        readonly=True,
+        required=True,
+    )
+    date_reversal = fields.Date(
+        string="Reversal date",
+        required=True,
+        default=fields.Date.context_today,
+    )
+    reason = fields.Char(string="Reason")
+    journal_id = fields.Many2one(
+        "account.journal",
+        string="Use Specific Journal",
+        help="If empty, uses the journal of the journal entry to be reversed.",
+    )
+
+    @api.model
+    def default_get(self, fields):
+        res = super(WizAssetMoveReverse, self).default_get(fields)
+        line_ids = (
+            self.env["account.asset.line"].browse(self.env.context["active_ids"])
+            if self.env.context.get("active_model") == "account.asset.line"
+            else self.env["account.asset.line"]
+        )
+        res["line_id"] = line_ids[0].id if line_ids else False
+        return res
+
+    def reverse_move(self):
+        move = self.line_id.move_id
+        move_reversal = (
+            self.env["account.move.reversal"]
+            .with_context(active_model="account.move", active_ids=move.ids)
+            .create(
+                {
+                    "date": fields.Date.today(),
+                    "reason": self.reason,
+                    "refund_method": "refund",
+                    "journal_id": self.journal_id.id,
+                }
+            )
+        )
+        reversal = move_reversal.with_context(allow_asset=True).reverse_moves()
+        reverse_move = self.env["account.move"].browse(reversal["res_id"])
+        reverse_move.action_post()
+        self.line_id.with_context(
+            unlink_from_asset=True
+        ).update_asset_line_after_unlink_move()
+        return True