kirchaj
Posts: 215
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| Posted: 04/20/2010, 12:48 PM |
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Been scratching my head over this one and decided to ask for some input.
I need a way to administratively disable logins, for example, system maintenance, moving servers, etc. I would like to be able to turn off the login forms and provide a message to the users explaining the situation and when logins will be re-enabled.
Has anyone else done this? any ideas on how to implement?
I do have two login forms, one for students and one for faculty, so if I could develop something for both, that would be great.
Thanks for your help.
TK
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mamboBROWN
Posts: 1713
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| Posted: 04/20/2010, 6:24 PM |
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kirchaj
You can have one login screen that caters to all users. You can set your code so that when a user logs in (based on their access level:student or faculty) they are directed to the correct screen. You can also set code in your header to always check on system availability which can be set by a system administrator. If during the system check it finds that the system should be closed then the user will automatically be redirected out of the system with a system message. This is one way that you can do it. There are definitely others as well. Hopefully this helps you.
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kirchaj
Posts: 215
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| Posted: 04/21/2010, 6:18 AM |
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mamboBROWN,
Thanks for the info and I think that definitely could work with a little re-working of the system.
Can you elaborate specifically about the code in the header that can check for system availability set by the administrator? I am curious how you would set that up.
Thanks again.
TK
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andy
Posts: 183
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| Posted: 04/21/2010, 8:09 AM |
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You can always temporarily replace your login page with a "Sorry down for maintenance" holding page.
Yeah ok. Not so elegant, I guess... 
_________________
Andy
RAD tools for rich UI controls:
http://www.koolphptools.com |
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Waspman
Posts: 948
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| Posted: 04/21/2010, 8:11 AM |
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No need to login to find out it's offline.
On the login page load the system status into a grid with a hidden field. Save the value to a session.
Put the login form in a panel and show dependent on the session value. And set the value of a label with a message etc.
_________________
http://www.waspmedia.co.uk |
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ckroon
Posts: 869
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| Posted: 04/21/2010, 8:29 AM |
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I use the super elegant method of renaming the index page to 'index1', then rename an Under Construction page to 'Index'.
Works like a charm
:)
_________________
Walter Kempees...you are dearly missed. |
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datadoit
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| Posted: 04/21/2010, 8:49 AM |
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Your login record form is a CCS component. This gives you the ability
to show/hide it via the Show/Hide Component action, or via direct code:
$Container->Visible = false;
Directly beneath the login record form, place a label (which is also CCS
component), and give it a default value of something like "System
maintenance being performed. Please try again later."
In your database, you should already have something like a system_config
type of table. Add a field for system_active (TINYINT, 1). If it's a
1, then the system is active, if not then it's inactive.
In your login form's BeforeShow, add an action of Show/Hide Component,
choose Hide and Expression, and for the expression use:
!CCDLookUp("system_active", "system_config", "",
$Page->Connections["YourConnectionName"])
For your label, use the opposite:
CCDLookUp ...
Untested, but this should work.
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kirchaj
Posts: 215
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| Posted: 04/21/2010, 11:38 AM |
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Thanks for all of your input. All of the solutions would have worked. I came up with a hybrid of all the solutions that seems to work great.
In the Before Show event of the login form I put the following code
$db = new clsDBportfolio();
$login_disabled = (CCDlookup("login_enabled","system_config","",$db));
if ($login_disabled == 0) {
$Login->Visible = False;
}
else {
$Login->Visible = True;
}
I created a grid with a label linked to a date in the database to display when the system would be accessible and used similar code to that above to display or hide the grid.
I can change the field in the database and it immediately turns off logins and shows the grid. :)
Thanks again for all of your help.
TK
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