1 files changed, 55 insertions, 0 deletions
diff --git a/app/finders/alert_management/alerts_finder.rb b/app/finders/alert_management/alerts_finder.rb
new file mode 100644
index 00000000000..cb35be43c15
--- /dev/null
+++ b/app/finders/alert_management/alerts_finder.rb
@@ -0,0 +1,55 @@
+# frozen_string_literal: true
+
+module AlertManagement
+  class AlertsFinder
+    # @return [Hash<Integer,Integer>] Mapping of status id to count
+    #          ex) { 0: 6, ...etc }
+    def self.counts_by_status(current_user, project, params = {})
+      new(current_user, project, params).execute.counts_by_status
+    end
+
+    def initialize(current_user, project, params)
+      @current_user = current_user
+      @project = project
+      @params = params
+    end
+
+    def execute
+      return AlertManagement::Alert.none unless authorized?
+
+      collection = project.alert_management_alerts
+      collection = by_status(collection)
+      collection = by_search(collection)
+      collection = by_iid(collection)
+      sort(collection)
+    end
+
+    private
+
+    attr_reader :current_user, :project, :params
+
+    def by_iid(collection)
+      return collection unless params[:iid]
+
+      collection.for_iid(params[:iid])
+    end
+
+    def by_status(collection)
+      values = AlertManagement::Alert::STATUSES.values & Array(params[:status])
+
+      values.present? ? collection.for_status(values) : collection
+    end
+
+    def by_search(collection)
+      params[:search].present? ? collection.search(params[:search]) : collection
+    end
+
+    def sort(collection)
+      params[:sort] ? collection.sort_by_attribute(params[:sort]) : collection
+    end
+
+    def authorized?
+      Ability.allowed?(current_user, :read_alert_management_alert, project)
+    end
+  end
+end