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|
type pool = ((module Rapper_helper.CONNECTION), Caqti_error.t) Caqti_eio.Pool.t
let transaction_query =
[%rapper
execute
{sql|
INSERT INTO transactions (client_id, value, type, description)
VALUES (%int{client_id}, %int{value}, %Operation.TransactionType{transaction_type}, %string{description})
|sql}]
;;
let client_query =
let open Client in
[%rapper
get_opt
{sql|
SELECT @int{id}, @int{mov_limit} FROM clients WHERE id = %int{id}
|sql}
record_out]
;;
let execute_operation ~client_id ~(op : Operation.t) pool =
match op with
| Transaction data ->
Caqti_eio.Pool.use
(fun conn ->
transaction_query
~client_id
~value:data.value
~transaction_type:data.transaction_type
~description:data.description
conn)
pool
| _ -> failwith "TODO"
;;
let find_client id pool = Caqti_eio.Pool.use (fun conn -> client_query ~id conn) pool
|
