[PORT] porting improvement from v9

from https://github.com/coopiteasy/vertical-cooperative/pull/93

easy_my_coop/__manifest__.py

@@ -6,7 +6,7 @@
 {
     "name": "Easy My Coop",
     "summary": "Manage your cooperative shares",
-    "version": "12.0.3.0.1",
+    "version": "12.0.3.0.2",
     "depends": [
         "base",
         "web",

easy_my_coop/models/operation_request.py

@@ -336,6 +336,7 @@ class OperationRequest(models.Model):
             effective_date = self.effective_date
         else:
             effective_date = self.get_date_now()
+            self.effective_date = effective_date
         sub_request = self.env["subscription.request"]
 
         self.validate()

easy_my_coop/views/operation_request_view.xml

@@ -7,6 +7,7 @@
             <tree string="Operation requests"
                   colors="green:state in ('approved'); blue:state in ('draft');grey: state in ('done')">
                 <field name="request_date"/>
+                <field name="effective_date"/>
                 <field name="partner_id"/>
                 <field name="operation_type"/>
                 <field name="quantity"/>
@@ -49,13 +50,13 @@
                             <field name="operation_type"
                                    attrs="{'readonly':[('state','!=','draft')]}"/>
                             <field name="receiver_not_member"
-                                   attrs="{'invisible':[('operation_type','!=','transfer')]}"/>
+                                   attrs="{'invisible':[('operation_type','!=','transfer')], 'readonly':[('state','!=','draft')]}"/>
                             <field name="partner_id"
                                    options="{'no_create':True}"
                                    attrs="{'readonly':[('state','!=','draft')]}"/>
                             <field name="partner_id_to"
                                    options="{'no_create':True}"
-                                   attrs="{'invisible':['|',('operation_type','!=','transfer'), ('receiver_not_member','=',True)]}"/>
+                                   attrs="{'invisible':['|',('operation_type','!=','transfer'), ('receiver_not_member','=',True)], 'readonly':[('state','!=','draft')]}"/>
                         </group>
                         <group>
                             <field name="user_id"/>