[18.0][IMP] mgmtsystem: warn when module to install is still not available

mgmtsystem/__manifest__.py

@@ -3,6 +3,7 @@
 
 {
     "name": "Management System",
+    "summary": "Support for management systems, such as ISO compliance.",
     "version": "18.0.1.0.0",
     "author": "Savoir-faire Linux,Odoo Community Association (OCA)",
     "website": "https://github.com/OCA/management-system",

mgmtsystem/models/res_config.py

@@ -1,7 +1,7 @@
 # Copyright (C) 2004-2012 OpenERP S.A. (<http://openerp.com>).
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
-from odoo import fields, models
+from odoo import _, exceptions, fields, models
 
 
 class MgmtsystemConfigSettings(models.TransientModel):
@@ -107,3 +107,20 @@
         help="Provide Work Instructions category.\n"
         "- This installs the module document_page_work_instruction.",
     )
+
+    def execute(self):
+        # Provide error in case the odule to install is not available in the system
+        # This avoids user confusion from the install failing silently
+        self = self.with_context(active_test=False)
+        classified = self._get_classified_fields()
+        to_install = [
+            f[7:] for f in self._fields.keys() if f.startswith("module_") and self[f]
+        ]
+        available = classified["module"].mapped("name")
+        not_available = set(to_install) - set(available)
+        if not_available:
+            raise exceptions.UserError(
+                _("The following modules are not available: %s")
+                % ", ".join(not_available)
+            )
+        return super().execute()