chore: Prevent null in Contact JSONB attributes (#3730)

db/migrate/20220111200105_update_nil_contact_attributes_to_empty_hash.rb

@@ -0,0 +1,8 @@
+class UpdateNilContactAttributesToEmptyHash < ActiveRecord::Migration[6.1]
+  def change
+    # rubocop:disable Rails/SkipsModelValidations
+    Contact.where(custom_attributes: nil).update_all(custom_attributes: {})
+    Contact.where(additional_attributes: nil).update_all(additional_attributes: {})
+    # rubocop:enable Rails/SkipsModelValidations
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2021_12_21_125545) do
+ActiveRecord::Schema.define(version: 2022_01_11_200105) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_stat_statements"
@@ -461,7 +461,7 @@ ActiveRecord::Schema.define(version: 2021_12_21_125545) do
     t.string "timezone", default: "UTC"
     t.boolean "enable_email_collect", default: true
     t.boolean "csat_survey_enabled", default: false
-    t.boolean 'allow_messages_after_resolved', default: true
+    t.boolean "allow_messages_after_resolved", default: true
     t.index ["account_id"], name: "index_inboxes_on_account_id"
   end
 
@@ -830,4 +830,4 @@ ActiveRecord::Schema.define(version: 2021_12_21_125545) do
     "NEW.display_id := nextval('camp_dpid_seq_' || NEW.account_id);"
   end
 
-end
+end