FEATURE: Add modifier to update the assigned count and exclude solved topics

app/lib/plugin_initializers/assigned_reminder_exclude_solved.rb

@@ -27,4 +27,14 @@ def apply_plugin_api
       end
     end
   end
+
+  class AssignedCountForUserQuery < PluginInitializer
+    def apply_plugin_api
+      plugin.register_modifier(:assigned_count_for_user_query) do |query, user|
+        next query if !SiteSetting.ignore_solved_topics_in_assigned_reminder
+        next query if SiteSetting.assignment_status_on_solve.blank?
+        query.where.not(status: SiteSetting.assignment_status_on_solve)
+      end
+    end
+  end
 end

plugin.rb

@@ -47,6 +47,7 @@ class Engine < ::Rails::Engine
 
   require_relative "app/lib/plugin_initializers/assigned_reminder_exclude_solved"
   DiscourseSolved::AssignsReminderForTopicsQuery.new(self).apply_plugin_api
+  DiscourseSolved::AssignedCountForUserQuery.new(self).apply_plugin_api
   module ::DiscourseSolved
     def self.accept_answer!(post, acting_user, topic: nil)
       topic ||= post.topic

spec/integration/solved_spec.rb

@@ -532,6 +532,27 @@
           expect(topics).to include(other_topic)
         end
       end
+
+      describe "assigned count for user" do
+        it "does not count solved topics using assignment_status_on_solve status" do
+          SiteSetting.ignore_solved_topics_in_assigned_reminder = true
+
+          other_topic = Fabricate(:topic, title: "Topic that should be there")
+          post = Fabricate(:post, topic: other_topic, user: user)
+
+          other_topic2 = Fabricate(:topic, title: "Topic that should be there2")
+          post2 = Fabricate(:post, topic: other_topic2, user: user)
+
+          Assigner.new(post.topic, user).assign(user)
+          Assigner.new(post2.topic, user).assign(user)
+
+          reminder = PendingAssignsReminder.new
+          expect(reminder.send(:assigned_count_for, user)).to eq(2)
+
+          DiscourseSolved.accept_answer!(post2, Discourse.system_user)
+          expect(reminder.send(:assigned_count_for, user)).to eq(1)
+        end
+      end
     end
   end