[FIX] crm_reveal: warn user on missing GeoIP

The GeoIP lib is necessary for this module to run but there is zero
documentation on that specificity. This commit adds a bus notification
to inform the user of the absence of the package through the webclient
notification system.

closes odoo/odoo#34968

Signed-off-by: Rémi Rahir (rar) <rar@odoo.com>

addons/crm_reveal/models/crm_reveal_rule.py

@@ -8,7 +8,7 @@ import re
 from dateutil.relativedelta import relativedelta
 from math import floor, log10
 
-from odoo import api, fields, models, tools, _
+from odoo import api, fields, models, tools, _, _geoip_resolver
 from odoo.addons.iap import jsonrpc
 from odoo.addons.crm.models import crm_stage
 from odoo.exceptions import ValidationError
@@ -72,9 +72,18 @@ class CRMRevealRule(models.Model):
         except Exception:
             raise ValidationError(_('Enter Valid Regex.'))
 
+    @api.model
+    def _assert_geoip(self):
+        if not _geoip_resolver:
+            message = _('Lead Generation requires a GeoIP resolver which could not be found on your system. Please consult https://pypi.org/project/GeoIP/.')
+            self.env['bus.bus'].sendone(
+                (self._cr.dbname, 'res.partner', self.env.user.partner_id.id),
+                {'type': 'simple_notification', 'title': _('Missing Library'), 'message': message, 'sticky': True, 'warning': True})
+
     @api.model
     def create(self, vals):
         self.clear_caches() # Clear the cache in order to recompute _get_active_rules
+        self._assert_geoip()
         return super(CRMRevealRule, self).create(vals)
 
     def write(self, vals):
@@ -83,6 +92,7 @@ class CRMRevealRule(models.Model):
         }
         if set(vals.keys()) & fields_set:
             self.clear_caches() # Clear the cache in order to recompute _get_active_rules
+        self._assert_geoip()
         return super(CRMRevealRule, self).write(vals)
 
     def unlink(self):