rails sql query converstion
SmsMessage.where( sms_campaign_id: sms_campaign_ids ).select( "sum(CASE WHEN sms_messages.status = 1 THEN 1 ELSE 0 END) as enqueued_count", "sum(CASE WHEN sms_messages.status = 2 THEN 1 ELSE 0 END) as delivered_count", "sum(CASE WHEN sms_messages.status = 3 THEN 1 ELSE 0 END) as replies_count", "sum(CASE WHEN sms_messages.status = 4 THEN 1 ELSE 0 END) as failed_count", "sum(CASE WHEN sms_messages.status IN (1,2,4) THEN 1 ELSE 0 END) as sends_count", "count(id) as total_messages_count" )
