[IMP] Improved contract generation

A check is performed before generating contract, if a contract has already been generated + the button disapear if so

models/financial_deal_tool.py

 # Copyright 2023- Le Filament (https://le-filament.com)
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html)
 
-from odoo import models
+from odoo import fields, models
 
 
 class DealTool(models.Model):
@@ -10,7 +10,7 @@ class DealTool(models.Model):
     # ------------------------------------------------------
     # Fields declaration
     # ------------------------------------------------------
-
+    contract_id = fields.Many2one("financial.contract")
     # ------------------------------------------------------
     # SQL Constraints
     # ------------------------------------------------------
@@ -43,12 +43,13 @@ class DealTool(models.Model):
     # ------------------------------------------------------
     def generate_contract(self):
         self.ensure_one()
-        contract = self.env["financial.contract"].create(
+        if not self.contract_id:
+            self.contract_id = self.env["financial.contract"].create(
                 {
                     "description": self.deal_id.description,
-                "name": "An incoming sequence",
                     "partner_id": self.deal_id.partner_id.id,
                     "deal_tool_id": self.id,
                 }
             )
-        return contract
+
+        return self.contract_id

views/financial_deal_tool.xml

@@ -2,20 +2,27 @@
 <odoo>
     <data>
 
-        <record id="financial_deal_tool_view_tree_inherit_manager_tool"
-                model="ir.ui.view">
-            <field name="name">financial deal tool inherit in manager tool</field>
+        <record
+            id="financial_deal_tool_view_tree_inherit_manager_tool"
+            model="ir.ui.view"
+        >
+            <field
+                name="name"
+            >financial deal tool inherit in manager tool</field>
             <field name="model">financial.deal.tool</field>
-            <field name="inherit_id"
-                   ref="financial_deal_flow.financial_deal_tool_view_tree"/>
+            <field
+                name="inherit_id"
+                ref="financial_deal_flow.financial_deal_tool_view_tree"
+            />
             <field name="arch" type="xml">
                 <xpath expr="//field[@name='amount']" position="after">
-                    <field name="deal_id" invisible="1"/>
+                    <field name="contract_id" invisible="1" />
                     <button
                         name="btn_init_contract"
                         type="object"
                         icon="fa-share"
                         title="transform into tool"
+                        attrs="{'invisible':[('contract_id','!=',False)]}"
                     />
                 </xpath>
             </field>