appview: add `user_mentioned` notification preference option

Signed-off-by: Seongmin Lee <[e-mail]>

appview/db/db.go

···
 		return err
 	})
 
+	runMigration(conn, logger, "add-usermentioned-preference", func(tx *sql.Tx) error {
+		_, err := tx.Exec(`
+			alter table notification_preferences add column user_mentioned integer not null default 1;
+		`)
+		return err
+	})
+
 	return &DB{
 		db,
 		logger,

appview/db/notifications.go

···
 			pull_created,
 			pull_commented,
 			followed,
+			user_mentioned,
 			pull_merged,
 			issue_closed,
 			email_notifications
···
 			&prefs.PullCreated,
 			&prefs.PullCommented,
 			&prefs.Followed,
+			&prefs.UserMentioned,
 			&prefs.PullMerged,
 			&prefs.IssueClosed,
 			&prefs.EmailNotifications,
···
 	query := `
 		INSERT OR REPLACE INTO notification_preferences
 		(user_did, repo_starred, issue_created, issue_commented, pull_created,
-		 pull_commented, followed, pull_merged, issue_closed, email_notifications)
-		VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+		 pull_commented, followed, user_mentioned, pull_merged, issue_closed,
+		 email_notifications)
+		VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
 	`
 
 	result, err := d.DB.ExecContext(ctx, query,
···
 		prefs.PullCreated,
 		prefs.PullCommented,
 		prefs.Followed,
+		prefs.UserMentioned,
 		prefs.PullMerged,
 		prefs.IssueClosed,
 		prefs.EmailNotifications,

appview/models/notifications.go

···
 	PullCreated        bool
 	PullCommented      bool
 	Followed           bool
+	UserMentioned      bool
 	PullMerged         bool
 	IssueClosed        bool
 	EmailNotifications bool
···
 	case NotificationTypeFollowed:
 		return prefs.Followed
 	case NotificationTypeUserMentioned:
-		return true // always notify on mention
+		return prefs.UserMentioned
 	default:
 		return false
 	}
···
 		PullCreated:        true,
 		PullCommented:      true,
 		Followed:           true,
+		UserMentioned:      true,
 		PullMerged:         true,
 		IssueClosed:        true,
 		EmailNotifications: false,

appview/pages/templates/user/settings/notifications.html

···
       <div class="flex items-center justify-between p-2">
         <div class="flex items-center gap-2">
           <div class="flex flex-col gap-1">
+            <span class="font-bold">Mentions</span>
+            <div class="flex text-sm items-center gap-1 text-gray-500 dark:text-gray-400">
+              <span>When someone mentions you.</span>
+            </div>
+          </div>
+        </div>
+        <label class="flex items-center gap-2">
+          <input type="checkbox" name="mentioned" {{if .Preferences.UserMentioned}}checked{{end}}>
+        </label>
+      </div>
+
+      <div class="flex items-center justify-between p-2">
+        <div class="flex items-center gap-2">
+          <div class="flex flex-col gap-1">
             <span class="font-bold">Email notifications</span>
             <div class="flex text-sm items-center gap-1 text-gray-500 dark:text-gray-400">
               <span>Receive notifications via email in addition to in-app notifications.</span>

appview/settings/settings.go

···
 		PullCommented:      r.FormValue("pull_commented") == "on",
 		PullMerged:         r.FormValue("pull_merged") == "on",
 		Followed:           r.FormValue("followed") == "on",
+		UserMentioned:      r.FormValue("user_mentioned") == "on",
 		EmailNotifications: r.FormValue("email_notifications") == "on",
 	}