[IMP]Showing related pattern for import wizard

Author: digitalsatori

pattern_import_export/wizard/import_pattern_wizard.py

@@ -1,7 +1,7 @@
 # Copyright 2020 ACSONE SA/NV (<http://acsone.eu>)
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 
-from odoo import fields, models
+from odoo import fields, models, api
 
 
 class ImportPatternWizard(models.TransientModel):
@@ -14,6 +14,15 @@ class ImportPatternWizard(models.TransientModel):
     _name = "import.pattern.wizard"
     _description = "Import pattern wizard"
 
+    def _get_model(self):
+        model_name = self.env.context.get('active_model')
+        active_id = self.env.context.get('active_id')
+        if model_name == "pattern.config":
+            pattern_config = self.env[model_name].browse(active_id)
+            model_name = pattern_config.resource
+        return model_name
+
+
     pattern_config_id = fields.Many2one(
         comodel_name="pattern.config",
         string="Import pattern",
@@ -23,7 +32,15 @@ class ImportPatternWizard(models.TransientModel):
     )
     import_file = fields.Binary(string="File to import", required=True)
     filename = fields.Char()
+    model = fields.Char(default=_get_model)
+    no_import_pattern = fields.Boolean(compute="_compute_no_import_pattern")
 
+    @api.depends("model")
+    def _compute_no_import_pattern(self):
+        for wiz in self:
+            wiz.no_import_pattern = not wiz.env["pattern.config"].search_count(
+                [("resource", "=", wiz.model)]
+            )
     def action_launch_import(self):
         """
 

pattern_import_export/wizard/import_pattern_wizard.xml

@@ -9,19 +9,32 @@
             <form>
                 <group>
                     <group>
+                        <field name="model" invisible="1" />
+                        <field name="no_import_pattern" invisible="1" />
                         <field
                             name="pattern_config_id"
-                            options="{'no_create_edit': True}"
-                            invisible="context.get('hide_pattern_config_id')"
-                        />
-                        <field name="filename" invisible="1" />
-                        <field
-                            name="import_file"
-                            filename="filename"
-                            placeholder="Choose a file to import..."
+                            domain="[('resource', '=', model)]"
+                            options="{'no_create': True, 'no_edit': True}"
+                            attrs="{'invisible': [('no_import_pattern', '=', True)]}"
+
+                            />
+                        <span
+                            attrs="{'invisible': [('no_import_pattern', '=', False)]}"
+                            colspan="2"
+                            >
+                        There is no import pattern for this object !<br />
+                        Please go to the menu .... and create one.
+                    </span>
+                    <field name="filename" invisible="1" />
+                    <field
+                        name="import_file"
+                        filename="filename"
+                        placeholder="Choose a file to import..."
+                        attrs="{'invisible': [('no_import_pattern', '=', True)]}"
                         />
-                    </group>
-                    <group colspan="2">
+                </group>
+                <group colspan="2"
+                        attrs="{'invisible': [('no_import_pattern', '=', True)]}" >
                         <div class="oe_form_box_danger oe_text_center">
                             <p>
                                 <strong