[IMP] utm, mass_mailing: clean utm.campaign model, form view and stat buttons

This commit cleans up the utm.campaign form view:

  * Don't display mailing related things if no mailings on the campaign or
    if the campaigns were not activated in mass_mailing settings;
  * Stat button for the mass mailings was wrong, it was displaying the number
    of mails instead of the number of mailings;
  * Remove unused global click ratio field all other fields/methods related
    to its computation;
  * Remove ab testing cta on campaign form;
  * Add groups on mailing related fields to avoid access errors;

LINKS

Task ID 2074813 (FP request UTM refactor)
PR: #37185

1 files changed, 0 insertions, 13 deletions

diff --git a/addons/link_tracker/models/utm.py b/addons/link_tracker/models/utm.py
index 6d356ad7d5a..ebb343472e7 100644
--- a/addons/link_tracker/models/utm.py
+++ b/addons/link_tracker/models/utm.py
@@ -8,9 +8,6 @@ class UtmCampaign(models.Model):
     _inherit = ['utm.campaign']
     _description = 'UTM Campaign'
 
-    items_total = fields.Integer(string="Number of items that are part of the campaign", compute="_compute_items_total")
-    clicked_total = fields.Integer(string="Number of items that are part of the campaign who generated a click", compute="_compute_items_total")
-    clicks_ratio = fields.Integer(string="Global Clicks Ratio for the campaign", compute="_compute_clicks_ratio")
     click_count = fields.Integer(string="Number of clicks generated by the campaign", compute="_compute_clicks_count")
 
     def _compute_clicks_count(self):
@@ -22,13 +19,3 @@ class UtmCampaign(models.Model):
 
         for campaign in self:
             campaign.click_count = mapped_data.get(campaign.id, 0)
-
-    def _compute_items_total(self):
-        """Empty method that will be implemented by inheriting classes"""
-        self.clicked_total = 0
-        self.items_total = 0
-
-    @api.depends('items_total', 'clicked_total')
-    def _compute_clicks_ratio(self):
-        for campaign in self:
-            campaign.clicks_ratio = campaign.clicked_total / campaign.items_total * 100 if campaign.items_total > 0 else 0