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SparkPost API Yii2 Mailer

SparkPost API Mailer for Yii2
Latest Stable Version Build Status Total Downloads License

Installation

The preferred way to install this extension is through composer.

Either run

php composer.phar require --prefer-dist djagya/yii2-sparkpost "*"

or add

"djagya/yii2-sparkpost": "*"

to the require section of your composer.json file.

Set Up

To use SparkPost you will need to have a SparkPost Account.

They have a free Developer account that includes up to 15K messages/month, as well as a sandbox for ongoing development and testing with the same built-in features and performance as their paid plans, with no time limitation.

Once you have an account you will need to create an API Key.
You can create as many API keys as you want, and it's best practice to create one for each website.

For testing purposes, while you're waiting for domain verification, you can use a sandbox mode, which can be enabled in the extension's config.

Usage

To use this extension, add the following code in your application configuration (default cUrl http adapter will be used):

return [
    //....
    'components' => [
        'mailer' => [
            'class' => 'djagya\sparkpost\Mailer',
            'apiKey' => 'YOUR_API_KEY',
            'viewPath' => '@common/mail',
            'defaultEmail' => '[email protected]', // optional if 'adminEmail' app param is specified or 'useDefaultEmail' is false
            'retryLimit' => 5, // optional
        ],
    ],
];

If you want to disable default "from" and "reply to" email address for messages you can set useDefaultEmail to false in Mailer config, but then you must specify "from" email address for every message you send.

Property retryLimit allows to make Mailer relatively failover. Mailer will try to send a transmission few times if it's getting an exception from Sparkpost, because sometimes Sparkpost API fails. When transmission send attempts count reaches specified retryLimit - last exception we got will be thrown. To disable that behavior and try to send transmission only once you can set retryLimit to 0.

Http Adapters

You can use different http adapters: cUrl (default), guzzle, etc. Full list is here: available adapters.
For detailed information refer to ivory-http-adapter.

To configure a http adapter that will be used by mailer you must specify httpAdapter attribute in the component configuration, you can use string, array or closure (BaseYii::createObject() is used to instantiate an adapter):

return [
    //....
    'components' => [
        'mailer' => [
            'class' => 'djagya\sparkpost\Mailer',
            'apiKey' => 'YOUR_API_KEY',
            'viewPath' => '@common/mail',
            'httpAdapter' => 'Ivory\HttpAdapter\Guzzle6HttpAdapter', // OR array or closure
        ],
    ],
];

Send an email

You can then send an email as follows:

Yii::$app->mailer->compose('contact/html')
    ->setFrom('[email protected]')
    ->setTo($to)
    ->setSubject($from)
    ->send();

After email was sent few properties are filled with last transmission information:

$mailer = Yii::$app->mailer;

$mailer->lastTransmissionId; // string, id of the last transmission
$mailer->lastError; // APIResponseException we got from Sparkpost library with detailed information from the response
$mailer->sentCount; // int, amount of successfuly sent messages
$mailer->rejectedCount; // int, amount of rejected messages

Sandbox mode

To test email sending while your domain is not verified by Sparkpost you can use sandbox mode by setting sandbox option to true or use setSandbox directly for message.
Besides that you must set "from" email address to sandbox Sparkpost domain.

return [
    //....
    'components' => [
        'mailer' => [
            'class' => 'djagya\sparkpost\Mailer',
            'apiKey' => 'YOUR_API_KEY',
            'sandbox' => true,
            'defaultEmail' => 'test@SPARKPOST_SANDBOX_DOMAIN',
        ],
    ],
];

OR

Yii::$app->mailer->compose('contact/html')
    ->setSandbox(true)
    ->setFrom('test@SPARKPOST_SANDBOX_DOMAIN')
    ->setTo($to)
    ->setSubject($subject)
    ->send();

Templates

Sparkpost templates are supported.
When you use a template, template's "from" and "subject" params will be used and override specified by you values.

To set message template and it's substitution data (template context) you should either give an array with specified template key and template data as a second param:

Yii::$app->mailer->compose(['template' => 'sparkpost_template_id'], ['template_param' => 'value1', ...])
    ->setTo($to)
    ->send();

OR use setTemplateId() and setSubstitutionData() Message methods:

Yii::$app->mailer->compose()
    ->setTemplateId('sparkpost_template_id')
    ->setSubstitutionData(['template_param' => 'value1', ...])
    ->setTo($to)
    ->send();

Besides that you can specify different set of template data, metadata, tags. You can specify these data for To, Cc, Bcc recipients. To do that you need to pass an array of addresses, where key is email and value is an array with specified metadata, tags and/or recipient name:

$to = [
    '[email protected]' => [
        'name' => 'Recipient #1',
        'metadata' => [
            'key' => 'value',
        ],
        'substitution_data' => [
            'template_key' => 'value',
        ],
        'tags' => ['tag1', 'tag2'],
    ],
    // ... other possible addresses
];

Yii::$app->mailer->compose(['template' => 'sparkpost_template_id'], ['template_param' => 'value1', ...])
    ->setTo($to)
    ->send();

Unit Testing

You must have Codeception installed to be able to run unit tests.

To run tests:

php /vendor/bin/codecept run

If you want to try to send a real message, you should add APIKEY environment variable (it should be a real API key from SparkPost).
Example:

APIKEY=your_api_key php /vendor/bin/codecept run

Logs

All mailer log messages are logged by \Yii::error(), \Yii::warning(), \Yii::info() under special category - sparkpost-mailer.

License

The code for yii2-sparkpost is distributed under the terms of the MIT license (see LICENSE).