whmcsServiceAddon/serviceAddon.php

<?php

if (!defined("WHMCS")) {
    die("This file cannot be accessed directly");
}

function serviceAddon_CreateAccount(array $params) {
    $emailTemplates = serviceAddonGetEmailTemplatesArray($params);
    if(count($emailTemplates) == 1) {
        return $emailTemplates[0];
    }
    if($params['Create_Mail'] > 0) {
        $result = localAPI('SendEmail', ['messagename' => $emailTemplates[$params['Create_Mail']], 'id' => $params['serviceid']]);
    }
    if ($result['result'] == 'success') {
        return 'success';
    }
    return $result['message'];
}

function serviceAddon_SuspendAccount(array $params) {
    $emailTemplates = serviceAddonGetEmailTemplatesArray($params);
    if(count($emailTemplates) == 1) {
        return $emailTemplates[0];
    }
    if($params['Suspend_Mail'] > 0) {
        $result = localAPI('SendEmail', ['messagename' => $emailTemplates[$params['Suspend_Mail']], 'id' => $params['serviceid']]);
    }
    if ($result['result'] == 'success') {
        return 'success';
    }
    return $result['message'];
}

function serviceAddon_UnsuspendAccount(array $params) {
    $emailTemplates = serviceAddonGetEmailTemplatesArray($params);
    if(count($emailTemplates) == 1) {
        return $emailTemplates[0];
    }
    if($params['Unsuspend_Mail'] > 0) {
        $result = localAPI('SendEmail', ['messagename' => $emailTemplates[$params['Unsuspend_Mail']], 'id' => $params['serviceid']]);
    }
    if ($result['result'] == 'success') {
        return 'success';
    }
    return $result['message'];
}

function serviceAddon_TerminateAccount(array $params) {
    $emailTemplates = serviceAddonGetEmailTemplatesArray($params);
    if(count($emailTemplates) == 1) {
        return $emailTemplates[0];
    }
    if($params['Terminate_Mail'] > 0) {
        $result = localAPI('SendEmail', ['messagename' => $emailTemplates[$params['Terminate_Mail']], 'id' => $params['serviceid']]);
    }
    if ($result['result'] == 'success') {
        return 'success';
    }
    return $result['message'];
}

function serviceAddon_ChangePackage(array $params) {
    $emailTemplates = serviceAddonGetEmailTemplatesArray($params);
    if(count($emailTemplates) == 1) {
        return $emailTemplates[0];
    }
    if($params['ChangePackage_Mail'] > 0) {
        $result = localAPI('SendEmail', ['messagename' => $emailTemplates[$params['ChangePackage_Mail']], 'id' => $params['serviceid']]);
    }
    if ($result['result'] == 'success') {
        return 'success';
    }
    return $result['message'];
}

function serviceAddon_TestConnection(array $params) {
    return 'success';
}

function serviceAddon_UsageUpdate(array $params) {
    return 'success';
}

function serviceAddon_ConfigOptions(array $params) {
    $emailTemplates = serviceAddonGetEmailTemplatesArray($params);
    if(count($emailTemplates) > 1) {
        $configOptions = array(
            "Create_Mail" => [
                "Type" => "dropdown", # Dropdown Choice of Options
                "Options" => $emailTemplates,
                "Description" => "E-Mail Template auswählen",
                "Default" => "option1"
            ],
            "Suspend_Mail" => [
                "Type" => "dropdown", # Dropdown Choice of Options
                "Options" => $emailTemplates,
                "Description" => "E-Mail Template auswählen",
                "Default" => "option1"
            ],
            "Unsuspend_Mail" => [
                "Type" => "dropdown", # Dropdown Choice of Options
                "Options" => $emailTemplates,
                "Description" => "E-Mail Template auswählen",
                "Default" => "option1"
            ],
            "ChangePackage_Mail" => [
                "Type" => "dropdown", # Dropdown Choice of Options
                "Options" => $emailTemplates,
                "Description" => "E-Mail Template auswählen",
                "Default" => "option1"
            ],
            "Terminate_Mail" => [
                "Type" => "dropdown", # Dropdown Choice of Options
                "Options" => $emailTemplates,
                "Description" => "E-Mail Template auswählen",
                "Default" => "option1"
            ],
        );
        return $configOptions;
    }
    return array(
        "error" => [
            "Type" => "text",
            "Default" => $emailTemplates[0],
        ]
    );
}

function serviceAddon_MetaData() {
}

function serviceAddon_AdminCustomButtonArray($params) {
}

function serviceAddon_AdminServicesTabFields($params) {
}

function serviceAddon_ClientArea($params) {
    return array(
        'templatefile' => 'clientarea',
        'vars' => array(
            'test1' => 'hello',
            'test2' => 'world',
        ),
    );
}

function serviceAddonGetEmailTemplatesArray($params) {
    $emailTemplates = array('none');
    $response = localAPI('GetEmailTemplates');
    if($response['result'] == 'success') {
        foreach ($response['emailtemplates']['emailtemplate'] as $emailTemplate) {
            if ($emailTemplate['custom'] == 1) {
                $emailTemplates[$emailTemplate['id']] = $emailTemplate['name'];
            }
        }
    } else {
        $emailTemplates[0] = $response['message'];
    }
    return $emailTemplates;
};