Blocks: Coupon

Maintained by Picture of Sebsoft Plugins Sebsoft Plugins, Picture of Rogier van Dongen Rogier van Dongen
The Sebsoft Coupon Plugin offers you the possibility to create coupons for various levels of course access. Using a coupon code, users will be enrolled into courses that are attached to the coupon.
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The Sebsoft Coupon Plugin offers you the possibility to create coupons for various levels

of course access. Using a coupon code, users will be enrolled into courses that are attached to the coupon. That way, you can use the coupon system as voucher or vouchering system for your course(s).

There are a few different ways of generating coupons:

- Course level: this means one or more course(s) need to be selected for which the coupon is valid.

  Once the coupon code is entered by a user, he or she will be enroled in every course the coupon

  is attached to.

  A nice extra feature is, when groups are configured for a certain course, you can configure which

  course group the coupon is for. When a user claims the coupon, he or she will be added to that specific

  group in the course. This makes it possible to separate coupon users from regular users.

  You could also make specific course groups every time you generate a batch of new coupons, so there's

  some way of matching a batch of coupons to a group of users. The possibilities are numerous.

- Cohort level: this means one or more cohort(s) need to be selected for which the coupon is valid.

  Once the coupon code is entered by a user, he or she will be added as a cohort member for every

  cohort the coupon is attached to.

  NOTE: When generating cohort level coupons, there is a possibility to "connect" extra courses to

  a given cohort. One MUST know that upon doing this, the courses will at that point be added to

  the cohort enrolment sync. Without knowing this little fact, it could be "unexpected" behavior,

  even though it's a logical step.

Furthermore, coupons can be generated on two "access" levels:

- Personalized. The base of this, is either a CSV is uploaded, or a CSV is given directly in a textbox.

  The needed user information for every coupon to be generated will be the user's name, email address

  and gender.

  These coupons will then be generated and sent off to the appropriate users using a background task.

- Bulk: The base of this is simple: you generate a certain amount of access coupons, which will then

  be emailed to the pre-configured recipient or (if allowed) to an emailaddress that can be freely entered.


  Wherever possible, please use PNG images.

  Also, whenever possible, do NOT use images that have an alpha channel.

  This will MASSIVELY slow down processing time, due to internal conversion of images by TCPDF.

  On our tests, for a 300 DPI image on A4 format (2480 x 3508 pixels) with an alpha channel,

  rendering a single PDF took around 25 seconds. Taking the alpha channel out of the image,

  rendering a single PDF was reduced to around 3 seconds.

  Furthermore, whenever possible, have the coupon generator create a single PDF with all

  coupons (this is only applicable when generating coupons in "bulk" mode). The process of

  generating coupons has been optimized to only "use" the image 1 time when creating any amount

  of coupons in a single PDF. If you choose the option to create a seperate PDF for every coupon,

  the image will have to be rendered for each and every PDF.

  This has 2 major downfalls:

  1. Every PDF will roughly have a slightly bigger size than the image size (in our tests, 350 - 400 kB per PDF)

  2. Every PDF takes the full amount of time to render.

  Effectively, this means the following (using fictitious sizes):

  10 coupons, single PDF -> result is around 400 kB, rendering takes around 3-4 seconds.

  10 coupons, seperate PDFs -> result is around 4 MB, rendering takes around 35-40 seconds.


- Copy the coupon folder to your blocks directory.

- Go to the moodle admin pages (you will probably be confronted with it anyway) and install the plugin

- Configure the main settings for the plugin.

- We're set up for usage!


There are only two pages you can add the coupon block on. This is the site's frontpage

or the user dashboard (my) page. The main reason for this is because the block is the

"frontend" for users to enter their coupon or voucher code.

Administrators and users with the correct capabilities will also see the links to

the coupon administration pages and the coupon generator page.


There's two main configurations to consider when generating coupons.

For course type coupons, this plugin attempts to enrol a user through use of Moodle's

internal function "enrol_try_internal_enrol".

The Moodle documentation shows it will attempt to enrol you using manual enrolment.

For this reason manual enrolment MUST be enabled for these courses.

For cohort type coupons, a user is made a member of a cohort. That's all there is to it.

Surprise though, if you want to actually make a user have access to a course, you

probably want to configure cohort enrolment for the course.

For those paying attention, creating cohort type coupons thus enables a simple

way of enrolling users into multiple courses at once just by configuring the right

cohort enrolments in multiple courses.

That's still not to say course coupons can't be used in a similar way (using meta courses).


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Picture of Sebsoft Plugins
Sebsoft Plugins (Lead maintainer)
Picture of Rogier van Dongen
Rogier van Dongen
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  • Picture of Alisa Natal
    Thu, 13 Sep 2018, 5:41 AM
    Thank you so much, this plugin has worked perfectly and been such an asset! I'm wondering if you have given any consideration to making it so the plugin can be used to purchase coupon codes, so someone would be able to purchase lessons as gifts?
  • Picture of stephane jacques
    Fri, 21 Sep 2018, 6:48 AM
    Hello Rogier,

    Can you tell me how to change the informations inside the coupon ? It seem that we can only change the image of the coupon, but what about the text ?

  • Logo Sebsoft
    Mon, 24 Sep 2018, 3:32 PM
    Hi Stephane,

    Please check the language files for the information that's displayed inside the Coupon smile.
  • Picture of Franky Just
    Wed, 3 Oct 2018, 11:32 PM
    I'm wondering if this plugin could be extended to using it with making a new account? So when a non-registrated user has a couponcode, at the moment that he want to register on the site an extra field is shown for a couponcode, and after registration with a valid code the user is automatically placed in a site- and coursegroup.
  • Logo Sebsoft
    Wed, 3 Oct 2018, 11:37 PM
    Hi Franky,
    You mean like https://yourmoodle/blocks/coupon/view/signup.php? smile - (Do note, that to enforce this, you will have to use that page as signup page)
  • Picture of Franky Just
    Thu, 4 Oct 2018, 12:14 AM
    Hi Sebastian,

    yes, this is exactly what I mean. I've now only put the URL in, and then indeed a field couponcode is showing up at the top. I've not tested it yet further if this works correctly. Is there in the backend a field where you can fill in this specific URL instead of the URL of the normal registration page? I didn't find this field so far.
  • Picture of Franky Just
    Thu, 4 Oct 2018, 12:40 AM
    In backend there is a field to change the Login URL, but it seems that there is surprisingly not a field to change the Signup url. This would mean that this has to be changed in the CFG-file?
  • Picture of Rogier van Dongen
    Thu, 4 Oct 2018, 9:20 PM
    Hi Franky,
    Unfortunately, no. The one way we've been able to implement this without enforcing Moodle core hacks, is by using custom scripts.
    To configure, do the following:
    modify your Moodle config.php and add a line "$CFG->customscripts = /path/to/customscripts/"
    You will usually either out your customscripts either IN the moodle datadir, or just outside of the www-root, e.g.:

    Now, add a folder called "login" so you end up with: /yourhomedir/moodledata/customscripts/login/

    Finally, add a php file called signup.php, so you end up with: /yourhomedir/moodledata/customscripts/login/signup.php

    The ONLY thing you need to do here is enter a redirect statement so you end up with the coupon signup url: <?php
    // This script does nothing more than redirect to the coupon signup method.
    redirect($CFG->wwwroot . '/blocks/coupon/view/signup.php');

    and that's it. Using these 4 lines of code, you're now set up to use the custom signup smile
    Of course this will all totally fail if your host does not provide you with direct access to your Moodle installation.
    Let me know if you get this to work.
    Good luck & cheers,
  • Picture of Franky Just
    Fri, 5 Oct 2018, 3:10 AM
    Hi Rogier,

    Thanks for your advice, this saved me some time to search this out myself. I've implemented your tip and the redirects works fine. Thanks again.

  • Picture of qasmaoui youssef
    Sat, 20 Oct 2018, 4:15 AM
    Hello , im .new to moodle , i just installed your plugin but i can't find a way to generate coupons! i searched everywhere but. no sign of it except the config section. but no way to start generating coupons for courses ? any helo with screebshots if possible !
  • Picture of Rogier van Dongen
    Mon, 22 Oct 2018, 3:40 PM
    Hello Qasmaoui, a first draft of a manual we're working on to get you started can be found on our repository pages.
    Please see the download section at
  • Picture of Mark Iannone
    Fri, 26 Oct 2018, 12:12 AM
    I love this plugin and find it very useful. I would like to make some changes to the directions on the Coupon but am not sure in what directory the stock directions are kept. Could you please give me that information. Thank-you!
  • Picture of Rogier van Dongen
    Wed, 7 Nov 2018, 8:22 PM
    Hello Mark,

    If you're familiar with adjusting the language packages from within Moodle you can do it from there. For the time being this is basically the only way to do this. If you run into any issues with this please send me a message through the messaging system.
  • Picture of Kirsten S.
    Tue, 13 Nov 2018, 12:37 AM
    Is there a way to create a coupon for something like 5% or 10% off, or does this plugin only offer 100% off? If it only works with 100%, is this a possibility in the future? I could really use a plugin where you could offer a 10% discount. Please advise.
  • Picture of mohamed hassan
    Sun, 18 Nov 2018, 2:53 AM
    first of all thank you for such great plugin. i would like to ask how to extend the functionality of this plugin and integrate it with paypal . i want to link it to PayPal listening page where upon receiving PayPal IPN the plugin generate only one code upon the purchased course and duration and email it to the payer email address ( PayPal sends the payer email and course purchased and many other information in the PayPal IPN)
    in this way the scenario will be like that : the participant will click on paypal button on the course page or activity which redirect him to paypal checkout page .
    on completion of purchase and payment the paypal redirect the payer to payment confirmation page where a script is there to generate a single coupon by the plugin it (using the variables from paypal IPN) and send that coupon code to the payer email with other instruction
    any help in this regard
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