[MIG] account_invoice_margin: to Odoo 15.0 (patch error, direct copy)

account_invoice_margin/models/account_invoice.py

@@ -0,0 +1,66 @@
+from odoo import api, fields, models
+
+
+class AccountMoveLine(models.Model):
+    _inherit = "account.move.line"
+
+    margin = fields.Float(compute='_product_margin', digits='Product Price', store=True)
+    purchase_price = fields.Float(string='Cost', digits='Product Price')
+
+    def _compute_margin(self, move, product, product_uom, sale_lines):
+        # if sale_line_ids and don't re-browse
+        for line in sale_lines:
+            return line.purchase_price
+        frm_cur = move.company_currency_id
+        to_cur = move.currency_id
+        purchase_price = product.standard_price
+        if product_uom and product_uom != product.uom_id:
+            purchase_price = product.uom_id._compute_price(purchase_price, product_uom)
+        ctx = self.env.context.copy()
+        ctx['date'] = move.date if move.date else fields.Date.context_today(move)
+        price = frm_cur.with_context(ctx)._convert(purchase_price, to_cur, move.company_id, ctx['date'], round=False)
+        return price
+
+    @api.onchange('product_id', 'product_uom_id')
+    def product_id_change_margin(self):
+        for line in self:
+            if not line.product_id:
+                line.purchase_price = 0
+            else:
+                line.purchase_price = line._compute_margin(line.move_id, line.product_id, line.product_uom_id, line.sale_line_ids)
+
+    @api.model_create_multi
+    def create(self, vals):
+        lines = super(AccountMoveLine, self).create(vals)
+        if vals and 'purchase_price' not in vals[0]:
+            lines.product_id_change_margin()
+        return lines
+
+    @api.depends('product_id', 'purchase_price', 'quantity', 'price_unit', 'price_subtotal')
+    def _product_margin(self):
+        for line in self:
+            currency = line.move_id.currency_id
+            price = line.purchase_price
+            margin = line.price_subtotal - (price * line.quantity)
+            if line.product_id and not price:
+                date = line.move_id.date if line.move_id.date else fields.Date.context_today(line.move_id)
+                from_cur = line.move_id.company_currency_id.with_context(date=date)
+                price = from_cur._convert(line.product_id.standard_price, currency, line.company_id, date, round=False)
+                margin = line.price_subtotal - (price * line.quantity)
+ 
+            line.margin = currency.round(margin) if currency else margin
+
+
+class AccountMove(models.Model):
+    _inherit = "account.move"
+
+    margin = fields.Monetary(compute='_product_margin',
+                             help="It gives profitability by calculating the difference between the Unit Price and the cost.",
+                             currency_field='currency_id',
+                             digits='Product Price',
+                             store=True)
+
+    @api.depends('invoice_line_ids.margin')
+    def _product_margin(self):
+        for invoice in self:
+            invoice.margin = sum(invoice.invoice_line_ids.mapped('margin'))