FEATURE: Add pending assign reminder threshold setting (#571)

* FEATURE: Add pending assign reminder threshold setting

User can define a threshold for the pending assign reminder.

* DEV: rename REMINDER_THRESHOLD with SiteSetting

config/locales/server.en.yml

@@ -14,6 +14,7 @@ en:
     assign_mailer: "When to send notification email for assignments"
     remind_assigns: "Remind users about pending assigns."
     remind_assigns_frequency: "Frequency for reminding users about assigned topics."
+    pending_assign_reminder_threshold: "Number of pending assignments that triggers a reminder notification."
     max_assigned_topics: "Maximum number of topics that can be assigned to a user."
     assign_allowed_on_groups: "Users in these groups are allowed to assign topics and can be assigned topics."
     enable_assign_status: "Add a customizable status field to every assignment."

config/settings.yml

@@ -23,6 +23,10 @@ discourse_assign:
     client: true
     enum: "RemindAssignsFrequencySiteSettings"
     default: 0
+  pending_assign_reminder_threshold:
+    client: true
+    default: 2
+    min: 1
   max_assigned_topics:
     client: true
     default: 10

lib/pending_assigns_reminder.rb

@@ -4,11 +4,10 @@ class PendingAssignsReminder
   REMINDED_AT = "last_reminded_at"
   REMINDERS_FREQUENCY = "remind_assigns_frequency"
   CUSTOM_FIELD_NAME = "assigns_reminder"
-  REMINDER_THRESHOLD = 2
 
   def remind(user)
     newest_topics = assigned_topics(user, order: :desc)
-    return if newest_topics.size < REMINDER_THRESHOLD
+    return if newest_topics.size < SiteSetting.pending_assign_reminder_threshold
 
     delete_previous_reminders(user)
 

spec/jobs/scheduled/enqueue_reminders_spec.rb

@@ -40,7 +40,7 @@ RSpec.describe Jobs::EnqueueReminders do
     it "doesn't count assigns from deleted topics" do
       deleted_post = Fabricate(:post)
       assign_one_task_to(user, post: deleted_post)
-      (PendingAssignsReminder::REMINDER_THRESHOLD - 1).times { assign_one_task_to(user) }
+      (SiteSetting.pending_assign_reminder_threshold - 1).times { assign_one_task_to(user) }
 
       deleted_post.topic.trash!
 
@@ -115,7 +115,7 @@ RSpec.describe Jobs::EnqueueReminders do
     end
 
     def assign_multiple_tasks_to(user, assigned_on: 3.months.ago)
-      PendingAssignsReminder::REMINDER_THRESHOLD.times do
+      SiteSetting.pending_assign_reminder_threshold.times do
         assign_one_task_to(user, assigned_on: assigned_on)
       end
     end