Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/models/concerns/content_attribute_validator.rb

@@ -0,0 +1,52 @@
+class ContentAttributeValidator < ActiveModel::Validator
+  ALLOWED_SELECT_ITEM_KEYS = [:title, :value].freeze
+  ALLOWED_CARD_ITEM_KEYS = [:title, :description, :media_url, :actions].freeze
+  ALLOWED_CARD_ITEM_ACTION_KEYS = [:text, :type, :payload, :uri].freeze
+  ALLOWED_FORM_ITEM_KEYS = [:type, :placeholder, :label, :name, :options, :default, :required, :pattern, :title, :pattern_error].freeze
+  ALLOWED_ARTICLE_KEYS = [:title, :description, :link].freeze
+
+  def validate(record)
+    case record.content_type
+    when 'input_select'
+      validate_items!(record)
+      validate_item_attributes!(record, ALLOWED_SELECT_ITEM_KEYS)
+    when 'cards'
+      validate_items!(record)
+      validate_item_attributes!(record, ALLOWED_CARD_ITEM_KEYS)
+      validate_item_actions!(record)
+    when 'form'
+      validate_items!(record)
+      validate_item_attributes!(record, ALLOWED_FORM_ITEM_KEYS)
+    when 'article'
+      validate_items!(record)
+      validate_item_attributes!(record, ALLOWED_ARTICLE_KEYS)
+    end
+  end
+
+  private
+
+  def validate_items!(record)
+    record.errors.add(:content_attributes, 'At least one item is required.') if record.items.blank?
+    record.errors.add(:content_attributes, 'Items should be a hash.') if record.items.reject { |item| item.is_a?(Hash) }.present?
+  end
+
+  def validate_item_attributes!(record, valid_keys)
+    item_keys = record.items.collect(&:keys).flatten.filter_map(&:to_sym)
+    invalid_keys = item_keys - valid_keys
+    record.errors.add(:content_attributes, "contains invalid keys for items : #{invalid_keys}") if invalid_keys.present?
+  end
+
+  def validate_item_actions!(record)
+    if record.items.select { |item| item[:actions].blank? }.present?
+      record.errors.add(:content_attributes, 'contains items missing actions') && return
+    end
+
+    validate_item_action_attributes!(record)
+  end
+
+  def validate_item_action_attributes!(record)
+    item_action_keys = record.items.collect { |item| item[:actions].collect(&:keys) }
+    invalid_keys = item_action_keys.flatten.compact.map(&:to_sym) - ALLOWED_CARD_ITEM_ACTION_KEYS
+    record.errors.add(:content_attributes, "contains invalid keys for actions:  #{invalid_keys}") if invalid_keys.present?
+  end
+end