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(declare (uses paths))
(require-extension sqlite3)
(require-library posix srfi-4)
(: string-no-null (string -> string))
(define (string-no-null str)
(if (and (> (string-length str) 0)
(char=? (string-ref str (- (string-length str) 1)) #\nul))
(substring str 0 (- (string-length str) 1))
str))
(: print-row (string fixnum string string -> void))
(define (print-row url seconds name description)
(format #t "~a~% ~a~% ~a~% ~a~%~%" (string-no-null name) (string-no-null description)
(string-no-null url) (seconds->string seconds)))
(define (add-tag db name)
(execute db "INSERT INTO tag VALUES (?)" name)
(last-insert-rowid db))
(define (add-bookmark db url name description tags)
(execute db "INSERT INTO bookmark VALUES (?, STRFTIME('%s'), ?, ?)"
url name description)
(let ((bookmark-id (last-insert-rowid db)))
(for-each (lambda (tag)
(let ((tag-id '()))
(condition-case
(set! tag-id (first-result db "SELECT rowid FROM tag WHERE name = ?" tag))
(exn (exn sqlite3)
(if (eq? (get-condition-property exn 'sqlite3 'status) 'done)
(set! tag-id (add-tag db tag))
(signal exn))))
(execute db "INSERT INTO bookmark_tag VALUES (?, ?)"
bookmark-id tag-id)))
tags)))
(define (url-string? str)
(and (> (string-length str) 7)
(or (string= (substring str 0 7) "http://")
(string= (substring str 0 8) "https://"))))
(define (main args)
(let ((db (open-database (data-file "linkwave.db"))))
(if (null? args)
(for-each-row print-row db "select * from bookmark")
(cond
((url-string? (car args))
(with-transaction
db (lambda () (add-bookmark db (car args) (cadr args) (caddr args) (cdddr args)) #t)))
(else
(format #t "Unrecognized option: ~a~%" (car args)))))
(finalize! db #t)))
(main (command-line-arguments))
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