; Asterisk func_odbc Configuration
; Custom ODBC functions for multi-tenant DID routing

; TENANT_BY_DID - Lookup tenant code by DID number
; Usage: ${ODBC_TENANT_BY_DID(+3726026553)}
[TENANT_BY_DID]
dsn=asterisk
readsql=SELECT tenant_code FROM did_tenant_lookup WHERE did_number='${SQL_ESC(${ARG1})}' LIMIT 1
synopsis=Lookup tenant code by DID number

; INBOUND_ROUTE - Lookup inbound destination by DID and tenant
; Usage: ${ODBC_INBOUND_ROUTE(+3726026553)}
; Returns: destination_type|destination_id|destination_data
[INBOUND_ROUTE]
dsn=asterisk
readsql=SELECT destination_type || '|' || COALESCE(destination_id::text, '') || '|' || COALESCE(destination_data, '') FROM inbound_route_lookup WHERE did_number='${SQL_ESC(${ARG1})}' ORDER BY priority LIMIT 1
synopsis=Lookup inbound route by DID number

; OUTBOUND_ROUTE - Lookup outbound trunk for dialing
; Usage: ${ODBC_OUTBOUND_ROUTE(tenant_code,dialed_number)}
; Returns: trunk_id|trunk_host|trunk_port
[OUTBOUND_ROUTE]
dsn=asterisk
readsql=SELECT trunk_id || '|' || trunk_host || '|' || trunk_port FROM outbound_route_lookup WHERE tenant_code='${SQL_ESC(${ARG1})}' AND '${SQL_ESC(${ARG2})}' ~ ANY(dial_patterns) ORDER BY route_priority, trunk_priority LIMIT 1
synopsis=Lookup outbound trunk by tenant and dial pattern