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;; Copyright 2007-2011, Matthew Welland.
;;
;; This program is made available under the GNU GPL version 2.0 or
;; greater. See the accompanying file COPYING for details.
;;
;; This program is distributed WITHOUT ANY WARRANTY; without even the
;; implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
;; PURPOSE.
(declare (unit session))
(require-library dbi)
;; (require-library dbi)
(use dbi)
(import (prefix dbi dbi:))
(require-extension regex)
(declare (uses cookie))
;; sessions table
;; id session_id session_key
;; create table sessions (id serial not null,session-key text);
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(define (session:get-param self key)
;; (session:log s:session "params=" (slot-ref s:session 'params))
(let ((params (sdat-get-params self)))
(session:get-param-from params key)))
;; This one will get the first value found regardless of form
;; param: (dtype [tag1 tag2 ...])
;; dtype:
;; 'raw : do no conversion
;; 'number : convert to number, return #f if fails
;; 'escaped : use html-escape to protect the input
;;
(define (session:get-input self key)
(let* ((formdat (sdat-get-formdat self)))
(if (not formdat) #f
(if (or (string? key)(number? key)(symbol? key))
(if (and (vector? formdat)(eq? (vector-length formdat) 1)(hash-table? (vector-ref formdat 0)))
(formdat:get formdat key)
(begin
(session:log self "ERROR: formdat: " formdat " is not of class <formdat>")
#f))
(session:log self "ERROR: bad key " key)))))
(define (session:get-input self key params)
(let* ((dtype (if (null? params)
'escaped
(car params)))
(tags (if (null? params)
'()
(cdr params)))
(formdat (sdat-get-formdat self))
(res (if (not formdat) #f
(if (or (string? key)(number? key)(symbol? key))
(if (and (vector? formdat)(eq? (vector-length formdat) 1)(hash-table? (vector-ref formdat 0)))
(formdat:get formdat key)
(begin
(session:log self "ERROR: formdat: " formdat " is not of class <formdat>")
#f))
(begin
(session:log self "ERROR: bad key " key)
#f)))))
(case dtype
((raw) res)
((number) (if (string? res)(string->number res) #f))
((escaped) (s:html-filter res tags))
(else (s:html-filter res '())))))
;; This one will get the first value found regardless of form
(define (session:get-input-keys self)
(let* ((formdat (sdat-get-formdat self)))
(if (not formdat) #f
(if (and (vector? formdat)(eq? (vector-length formdat) 1)(hash-table? (vector-ref formdat 0)))
(formdat:keys formdat)
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