Re: [IUG] SMS script question

[Bob Duncan <duncanr at lafayette dot edu>]

At 01:07 PM 1/15/2010, Emily Clasper wrote:
> Thanks to the excellent discussions on this ListServ and the fantastic
> contributions to the IUG Clearinghouse, the Suffolk County Libraries have
> been able to put an SMS call number feature on our catalogs. Most of the
> time, it works well, both on our public and staff servers. However, we have
> been getting complaints that this feature does not always work nicely within
> our libraries' scoped catalogs. Sometimes, it's fine. Other times, we just
> get the "There was a problem. Message Not sent!" Error.
>
> Here is an example from our public Catalog:
>
> This one works: http://alpha2.suffolk.lib.ny.us/record=b4029617~S83 (Our
> full County Scope)
>
> This one doesn't: http://alpha2.suffolk.lib.ny.us/record=b4029617~S34 (From
> an individual library's scope)


The PHP script has a security measure in place -- before it'll send 
the email, it checks to make sure the location and call number that 
it's sending actually appear on the page from which the script call 
originated.  It does this by searching your catalog for the bib 
number that the Javascript sent to the PHP script and checking the 
text of the record for the existence of the location and call number 
strings that the Javascript sent.  Problem is that the Javascript is 
sending just the bib number and not the scope number, and absent the 
scope number for the individual library, the search defaults to the 
full county scope.  And in the record for the full county scope, the 
location for this particular individual library doesn't appear until 
after the "View additional copies..." button is clicked, i.e., the 
string "JJ-Non-fiction" does not appear in the body text that the 
script retrieves when it grabs plain old 
http://alpha2.suffolk.lib.ny.us/record=b4029617 -- no match on the 
location, so no message gets sent.

Possible fixes:
(1)  Don't use the security piece at all.
(2)  Don't use the location part of the security piece and just rely 
on the check for the call number, but there's no assurance that the 
individual library call number will always appear on the full county screen.
(3)  Change the Javascript so that it retrieves the record from the 
scope where the sms function is invoked.

#3 would be preferable, but I'm not sure if the mechanism whereby the 
PHP script grabs the code of a page specified by a URL will get the 
scoped page merely by including the scope in the URL (Bob don't do 
scopes).  But you could try pretty easily by altering this line in sms.js:

var bibNum = bodyText.match(/b[\d]{7}/m);

Change it to:

var bibNum = bodyText.match(/b[\d]{7}~[\d]{1,2}/m);

...I think.  That should match on and retrieve the record number with 
scope, but I'm not sure if the tilde will mess things up.


Bob Duncan


~!~!~!~!~!~!~!~!~!~!~!~!~
Robert E. Duncan
Systems Librarian
Editor of IT Communications
Lafayette College
Easton, PA  18042
duncanr at lafayette dot edu
http://library.lafayette.edu/ 


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