[#6084] add after_party task to fill missing data

lib/tasks/deployment/20210412093054_fill_missing_date_of_fc.rake

@@ -0,0 +1,39 @@
+namespace :after_party do
+  desc 'Deployment task: fill_missing_date_of_fc'
+  task fill_missing_date_of_fc: :environment do
+    rake_puts "Remove invalid FranceConnectInformation records with no associated user…"
+    FranceConnectInformation
+      .where(user_id: nil)
+      .destroy_all
+
+    rake_puts "Fill-in missing created_at from updated_at column on FranceConnectInformation records…"
+    created_from_updated_sql = <<~EOF
+      created_at = updated_at,
+      data = '{ "note": "missing created_at has been copied from updated_at" }'
+    EOF
+
+    FranceConnectInformation
+      .where(created_at: nil)
+      .where.not(updated_at: nil)
+      .update_all(created_from_updated_sql)
+
+    rake_puts "Fill-in missing created_at, updated_at columns from users.created on FranceConnectInformation records…"
+    created_updated_from_user_created_sql = <<~EOF
+      UPDATE france_connect_informations
+      SET created_at = users.created_at,
+          updated_at = users.created_at,
+          data = '{ "note": "missing created_at, updated_at have been copied from users.created_at" }'
+      FROM  users
+      WHERE users.id = france_connect_informations.user_id
+        AND france_connect_informations.created_at IS NULL
+        AND france_connect_informations.updated_at IS NULL
+    EOF
+
+    FranceConnectInformation
+      .connection
+      .execute(created_updated_from_user_created_sql)
+
+    AfterParty::TaskRecord
+      .create version: AfterParty::TaskRecorder.new(__FILE__).timestamp
+  end
+end