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List Settings Cookbook

Getting/Setting List Settings

How to find out what lists are available.

Before we can use a list, we have to know what lists are available:

 #!/usr/bin/perl 
 
 # Adding the lib path to the dada directory: 
 use lib qw(/home/myaccount/www/cgi-bin/dada); 
 
 use DADA::App::Guts; 
 
 my @lists = DADA::App::Guts::available_lists(); 
 
 for my $list(@lists){ 
    
    # prints the "listshortname" of every list available.
    print "$_\n";
  }

For more information on the available_lists() subroutine, see:

http://dadamailproject.com/support/documentation-7_4_1/App_Guts.pm.html#available_lists

Making Sure a Listshortname is valid

If you already know the listshortname you want to use, you can verify it using, list_exists, like this:

 #!/usr/bin/perl 
 
 # Adding the lib path to the dada directory: 
 use lib qw(/home/myaccount/www/cgi-bin/dada); 
 
 use DADA::App::Guts; 
 
 my $list = "justin";
 
 my $list_exists = DADA::App::Guts::check_if_list_exists(-List => $list); 
 
 if($list_exists == 1){ 
 
    print "The list does exist!"; 
    
 } else { 
 
    print "The list does not exist!"; 
 }

Getting Information Stored in the List Settings

Once you have your listshortname, it's pretty easy to get the list settings information. You'll be using the DADA::MailingList::Settings module - getting the list settings uses the, get() method, like this:

 #!/usr/bin/perl 
 
 # Adding the lib path to the dada directory: 
 use lib qw(/home/myaccount/www/cgi-bin/dada); 
 
 use DADA::MailingList::Settings; 
 
 
 my $list = 'justin'; 
 
 
 # I use "$ls" as a shorthand for, "List Settings"
 my $ls = DADA::MailingList::Settings->new({-list => $list}); 
  
  
 my $li = $ls->get; 

$li is a hashref, the keys hold the name of your list setting, the value, the setting's value. Some ways to use it:

 # print every list setting saved: 
 for my $setting(keys %$li){ 
    print $setting . ' => ' . $li->{$setting} . "\n";  
 }
 
 # print just the list name: 
 print "This list name is: " . $li->{list_name};

And that's all there is to it. To understand what list settings are available, you may want to look at the Config.pm variable, %LIST_SETUP_DEFAULTS, which lists just about every list setting being used in Dada Mail. More information on that variable:

http://dadamailproject.com/support/documentation-7_4_1/global_variables.pod.html#_list_setup_defaults

More information on the get method:

http://dadamailproject.com/support/documentation-7_4_1/MailingList_Settings_Db.pm.html#get

Storing Information in the List Settings

Storing information is as easy as getting that information. You'll want to use the, save method, like so:

 #!/usr/bin/perl 
  
 # Adding the lib path to the dada directory: 
 use lib qw(/home/myaccount/www/cgi-bin/dada); 
  
 use DADA::MailingList::Settings; 
  
  
 my $list = 'justin'; 
  
  
 # I use "$ls" as a shorthand for, "List Settings"
 my $ls = DADA::MailingList::Settings->new({-list => $list}); 
  
 
 $ls->save(
            {
                list_name => "New List Name!", 
            }
           ); 
          

The save method takes a hashref of any list setting you'd like to change the value to. In the above example, we've changed the setting, list_name to, New List Name!

And that's basically all there is to the save method.

More information on the save method:

http://dadamailproject.com/support/documentation-7_4_1/MailingList_Settings_Db.pm.html#save


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