How would I implement a conditional required module?

[crythias]

I'm looking for an OTRS "Best Practices" way to enable the reCAPTCHA (use Captcha::reCAPTCHA;) within OTRS, but only if the config item is set.

Thoughts?

[reneeb]

Code: Select all

# check if captcha is enabled via sysconfig
if ( $Self->{ConfigObject}->Get( 'UseCAPTCHA' ) ) {

    # load Module 
    $Self->{MainObject}->Require( 'Captcha::reCAPTCHA' );

    # store a flag in the object to avoid function calls
    $Self->{Captcha} = 1;
}

# ...

# in your subaction to show the form
if ( $Self->{Captcha} ) {

    # set variable for use in template
    $Param{...} = ...;
}

# something similar to check the captcha in an other subaction branch

[crythias]

reneeb, that's beautiful.
Although (maybe you might agree?) I shouldn't need a flag if I have a flag.

Code: Select all

if ( $Self->{Captcha} ) {

Code: Select all

if ( $Self->{ConfigObject}->Get( 'UseCAPTCHA' ) ) {

and probably I'll want to error out in a nice way if Require fails, but good enough to get me started.