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