[ADD] ir.attachment integration

dms/models/__init__.py

@@ -11,3 +11,5 @@
 
 from . import res_company
 from . import res_config_settings
+
+from . import ir_attachment

dms/models/category.py

@@ -74,6 +74,12 @@ class Category(models.Model):
 
     count_files = fields.Integer(compute="_compute_count_files", string="Count Files")
 
+    ir_model_id = fields.Many2one(
+        comodel_name='ir.model',
+        string='Attachment Model',
+        required=False
+    )
+
     # ----------------------------------------------------------
     # Constrains
     # ----------------------------------------------------------

dms/models/ir_attachment.py

@@ -0,0 +1,24 @@
+from odoo import api, models, fields, tools
+
+
+class IrAttachment(models.Model):
+
+    _inherit = "ir.attachment"
+
+    @api.model
+    def create(self, vals):
+        category_id = self.env['dms.category'].search([
+            ('ir_model_id', '=', vals['res_model'])])
+
+        directory_id = self.env['dms.directory'].search([
+            ('category_id', '=', category_id.id)])
+
+        if category_id and directory_id:
+            self.env['dms.file'].create({
+                'name': vals['name'],
+                'category_id': category_id.id,
+                'directory_id': directory_id.id,
+                'content': vals['datas'],
+            })
+
+        return super(IrAttachment, self).create(vals)

dms/views/category.xml

@@ -66,6 +66,9 @@
                             <field name="count_directories" string="Directories" />
                         </group>
                     </group>
+                    <group>
+                        <field name="ir_model_id"/>
+                    </group>
                     <notebook>
                         <page string="Tags">
                             <field