Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/services/automation_rules/condition_validation_service.rb

@@ -0,0 +1,65 @@
+class AutomationRules::ConditionValidationService
+  ATTRIBUTE_MODEL = 'conversation_attribute'.freeze
+
+  def initialize(rule)
+    @rule = rule
+    @account = rule.account
+
+    file = File.read('./lib/filters/filter_keys.yml')
+    @filters = YAML.safe_load(file)
+
+    @conversation_filters = @filters['conversations']
+    @contact_filters = @filters['contacts']
+    @message_filters = @filters['messages']
+  end
+
+  def perform
+    @rule.conditions.each do |condition|
+      return false unless valid_condition?(condition) && valid_query_operator?(condition)
+    end
+
+    true
+  end
+
+  private
+
+  def valid_query_operator?(condition)
+    query_operator = condition['query_operator']
+
+    return true if query_operator.nil?
+    return true if query_operator.empty?
+
+    %w[AND OR].include?(query_operator.upcase)
+  end
+
+  def valid_condition?(condition)
+    key = condition['attribute_key']
+
+    conversation_filter = @conversation_filters[key]
+    contact_filter = @contact_filters[key]
+    message_filter = @message_filters[key]
+
+    if conversation_filter || contact_filter || message_filter
+      operation_valid?(condition, conversation_filter || contact_filter || message_filter)
+    else
+      custom_attribute_present?(key, condition['custom_attribute_type'])
+    end
+  end
+
+  def operation_valid?(condition, filter)
+    filter_operator = condition['filter_operator']
+
+    # attribute changed is a special case
+    return true if filter_operator == 'attribute_changed'
+
+    filter['filter_operators'].include?(filter_operator)
+  end
+
+  def custom_attribute_present?(attribute_key, attribute_model)
+    attribute_model = attribute_model.presence || self.class::ATTRIBUTE_MODEL
+
+    @account.custom_attribute_definitions.where(
+      attribute_model: attribute_model
+    ).find_by(attribute_key: attribute_key).present?
+  end
+end