mlisp/tmp/divi-dates.lsp

34 lines
1.9 KiB
Common Lisp

; (print (make-csv (divi-dates "2021-02-01")))
(defun divi-dates (date-str)
(do
(define curl_cmd (+ "curl -H \"Accept: application/json, text/plain, */*\" -H \"Origin: https://www.nasdaq.com/\" -H \"User-Agent: Mozilla/5.0 (Windows NT 10.0)\" https://api.nasdaq.com/api/calendar/dividends/?date=" date-str " 2>/dev/null"))
(define curl_out (system-cmd curl_cmd))
(define json_list (parse-json (last curl_out)))
(define data (first json_list))
(define calendar (index data 1))
(define calendar_data (index (index calendar 0) 1))
(define header (index (index calendar_data 0) 1))
(define rows (index (index calendar_data 1) 1))
; (define csv_list '())
(define csv_list '(("symbol" "ex-date" "pay-date" "div-rate")))
(if (!= rows '@)
(for e rows
; (("announcement_Date" "01/07/2021") ("companyName" "Itau Unibanco Banco Holding SA") ("dividend_Ex_Date" "02/01/2021") ("dividend_Rate" 0.003) ("indicated_Annual_Dividend" 0.033) ("payment_Date" "03/11/2021") ("record_Date" "02/02/2021") ("symbol" "ITUB"))
(define symbol (second (first (filter (lambda (x) (= (first x) "symbol")) e))))
(define divrate (second (first (filter (lambda (x) (= (first x) "dividend_Rate")) e))))
(define adate (second (first (filter (lambda (x) (= (first x) "announcement_Date")) e))))
(define name (second (first (filter (lambda (x) (= (first x) "companyName")) e))))
(define exdate (second (first (filter (lambda (x) (= (first x) "dividend_Ex_Date")) e))))
(define paydate (second (first (filter (lambda (x) (= (first x) "payment_Date")) e))))
(define rdate (second (first (filter (lambda (x) (= (first x) "record_Date")) e))))
(define csv_list (push csv_list (list symbol exdate paydate divrate))))
'())
csv_list
))