Login hackathon 2024 user narrative account deletion

bin/summarize-user-events

@@ -41,6 +41,7 @@ class SummarizeUserEvents
   def matchers
     @matchers ||= [
       EventSummarizer::ExampleMatcher.new,
+      EventSummarizer::AccountDeletionMatcher.new,
     ]
   end
 

lib/event_summarizer/account_deletion_matcher.rb

@@ -0,0 +1,74 @@
+# frozen_string_literal: true
+
+module EventSummarizer
+  class AccountDeletionMatcher
+    ACCOUNT_DELETION_STARTED_EVENT = 'Account Reset: request'
+    ACCOUNT_DELETION_SUBMITTED_EVENT = 'Account Reset: delete'
+    ACCOUNT_DELETION_CANCELED_EVENT = 'Account Reset: cancel'
+
+    EVENT_PROPERTIES = ['@message', 'properties', 'event_properties'].freeze
+
+    attr_accessor :account_deletion_events, :event_summaries
+
+    def initialize
+      @account_deletion_events = Array.new
+      @event_summaries = Array.new
+      account_deletion_events
+    end
+
+    def handle_cloudwatch_event(event)
+      case event['name']
+      when ACCOUNT_DELETION_STARTED_EVENT
+        process_account_reset_request(event)
+      when ACCOUNT_DELETION_SUBMITTED_EVENT
+        process_account_reset_delete(event)
+      when ACCOUNT_DELETION_CANCELED_EVENT
+        process_account_reset_cancel(event)
+      end
+    end
+
+    def finish
+      event_summaries
+    end
+
+    private
+
+    def process_account_reset_request(event)
+      event_message = {
+        title: 'Account deletion Request',
+        attributes: [
+          { type: :account_deletion_request,
+            description: "On #{event["@timestamp"]} user initiated account deletion" },
+        ],
+      }
+      event_summaries.push(event_message)
+    end
+
+    def process_account_reset_cancel(event)
+      event_message = {
+        title: 'Account deletion cancelled',
+        attributes: [
+          { type: :account_deletion_cancelled,
+            description: "On #{event["@timestamp"]} user initiated account deletion" },
+        ],
+      }
+      event_summaries.push(event_message)
+    end
+
+    def process_account_reset_delete(event)
+      message = event['@message']
+      age = message['properties']['event_properties']['account_age_in_days']
+      date = event['@timestamp']
+      event_message = {
+        title: 'Account deleted',
+        attributes: [
+          {
+            type: :account_deleted,
+            description: "On #{date} user deleted their account which was #{age} days old",
+          },
+        ],
+      }
+      event_summaries.push(event_message)
+    end
+  end
+end