[ADD] product_internal_reference_generator

product_internal_reference_generator/__init__.py

@@ -0,0 +1 @@
+from . import models

product_internal_reference_generator/__manifest__.py

@@ -0,0 +1,17 @@
+{
+    "name": "Product Internal Reference Generator",
+    "summary": """Product template and variant reference based on sequence""",
+    "author": "Ilyas, Ooops, Odoo Community Association (OCA)",
+    "license": "LGPL-3",
+    "website": "https://github.com/OCA/product-variant",
+    "category": "Sale",
+    "version": "14.0.1.0.0",
+    "depends": ["stock"],
+    "data": [
+        "security/ir.model.access.csv",
+        "views/product.xml",
+        "security/groups.xml",
+    ],
+    "installable": True,
+    "application": False,
+}

product_internal_reference_generator/models/__init__.py

@@ -0,0 +1,3 @@
+from . import product_code_sequence
+from . import product_template
+from . import product_product

product_internal_reference_generator/models/product_code_sequence.py

@@ -0,0 +1,10 @@
+from odoo import fields, models
+
+
+class ProductCodeSequence(models.Model):
+    _name = "product.code.sequence"
+    _description = "Internal Reference Template"
+
+    name = fields.Char(required=True)
+    sequence_id = fields.Many2one("ir.sequence", required=True)
+    variant_reference_numbers = fields.Integer(default=3, required=True)

product_internal_reference_generator/models/product_product.py

@@ -0,0 +1,17 @@
+from odoo import api, models
+
+
+class ProductProduct(models.Model):
+    _inherit = "product.product"
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        for vals in vals_list:
+            if vals.get("product_tmpl_id"):
+                pt = self.env["product.template"].browse(vals["product_tmpl_id"])
+                if pt.variants_sequence_id:
+                    vals["default_code"] = (
+                        pt.variants_prefix + pt.variants_sequence_id.next_by_id()
+                    )
+        res = super().create(vals_list)
+        return res

product_internal_reference_generator/models/product_template.py

@@ -0,0 +1,28 @@
+from odoo import api, fields, models
+
+
+class ProductTemplate(models.Model):
+    _inherit = "product.template"
+
+    int_ref_template_id = fields.Many2one(
+        "product.code.sequence", "Internal Reference Template"
+    )
+    variants_sequence_id = fields.Many2one("ir.sequence")
+    variants_prefix = fields.Char(readonly=True, tracking=True)
+
+    @api.onchange("int_ref_template_id")
+    def onchange_int_ref_template_id(self):
+        self.variants_prefix = False
+
+    def btn_generate_sequence(self):
+        self.ensure_one()
+        int_ref_next_val = self.int_ref_template_id.sequence_id.next_by_id()
+        self.variants_prefix = int_ref_next_val
+        var_seq = self.env["ir.sequence"].create(
+            {
+                "name": "variants " + int_ref_next_val,
+                "padding": self.int_ref_template_id.variant_reference_numbers,
+            }
+        )
+        self.variants_sequence_id = var_seq
+        self.default_code = int_ref_next_val + var_seq.get_next_char(0)

product_internal_reference_generator/security/groups.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<odoo>
+    <record id="group_int_ref_template_always_visible" model="res.groups">
+        <field name="name">Internal reference template always visible</field>
+        <field name="category_id" ref="base.module_category_hidden" />
+    </record>
+</odoo>

product_internal_reference_generator/security/ir.model.access.csv

@@ -0,0 +1,3 @@
+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+pcs1,pcs1,model_product_code_sequence,base.group_user,1,1,0,0
+pcs2,pcs2,model_product_code_sequence,base.group_system,1,1,1,1