AyeCode / invoicing

    do_action_ref_array( $function, $args );

}

function wpinv_new_invoice_notification( $invoice_id, $new_status = '' ) {

    $email_type = 'new_invoice';

    if ( !wpinv_email_is_enabled( $email_type ) ) {

        return false;

    }

    $invoice = wpinv_get_invoice( $invoice_id );

    if ( empty( $invoice ) ) {

        return false;

    }

    if ( !("wpi_invoice" === $invoice->post_type) ) {

        return false;

    }

    $recipient      = wpinv_email_get_recipient( $email_type, $invoice_id, $invoice );

    if ( !is_email( $recipient ) ) {

        return false;

    }

    do_action( 'wpinv_pre_send_invoice_notification', $invoice, $email_type, true );

    $subject        = wpinv_email_get_subject( $email_type, $invoice_id, $invoice );

    $email_heading  = wpinv_email_get_heading( $email_type, $invoice_id, $invoice );

    $headers        = wpinv_email_get_headers( $email_type, $invoice_id, $invoice );

    $message_body   = wpinv_email_get_content( $email_type, $invoice_id, $invoice );

    $attachments    = wpinv_email_get_attachments( $email_type, $invoice_id, $invoice );

    $content        = wpinv_get_template_html( 'emails/wpinv-email-' . $email_type . '.php', array(

            'invoice'       => $invoice,

            'email_type'    => $email_type,

            'email_heading' => $email_heading,

            'sent_to_admin' => true,

            'plain_text'    => false,

            'message_body'  => $message_body,

        ) );

    $sent = wpinv_mail_send( $recipient, $subject, $content, $headers, $attachments );

    do_action( 'wpinv_post_send_invoice_notification', $invoice, $email_type, true );

    return $sent;

}

function wpinv_cancelled_invoice_notification( $invoice_id, $new_status = '' ) {

    $email_type = 'cancelled_invoice';

    return $sent;

}

function wpinv_cancelled_invoice_notification( $invoice_id, $new_status = '' ) {

    $email_type = 'cancelled_invoice';

    if ( !wpinv_email_is_enabled( $email_type ) ) {

        return false;

    }

    $invoice = wpinv_get_invoice( $invoice_id );

    if ( empty( $invoice ) ) {

        return false;

    }

    if ( !("wpi_invoice" === $invoice->post_type) ) {

        return false;

    }

    $recipient      = wpinv_email_get_recipient( $email_type, $invoice_id, $invoice );

    if ( !is_email( $recipient ) ) {

        return false;

    }

    do_action( 'wpinv_pre_send_invoice_notification', $invoice, $email_type, true );

    $subject        = wpinv_email_get_subject( $email_type, $invoice_id, $invoice );

    $email_heading  = wpinv_email_get_heading( $email_type, $invoice_id, $invoice );

    $headers        = wpinv_email_get_headers( $email_type, $invoice_id, $invoice );

    $message_body   = wpinv_email_get_content( $email_type, $invoice_id, $invoice );

    $attachments    = wpinv_email_get_attachments( $email_type, $invoice_id, $invoice );

    $content        = wpinv_get_template_html( 'emails/wpinv-email-' . $email_type . '.php', array(

            'invoice'       => $invoice,

            'email_type'    => $email_type,

            'email_heading' => $email_heading,

            'sent_to_admin' => true,

            'plain_text'    => false,

            'message_body'  => $message_body,

        ) );

    $sent = wpinv_mail_send( $recipient, $subject, $content, $headers, $attachments );

    do_action( 'wpinv_post_send_invoice_notification', $invoice, $email_type, true );

    return $sent;

}

function wpinv_failed_invoice_notification( $invoice_id, $new_status = '' ) {

    $email_type = 'failed_invoice';

    return $sent;

}

function wpinv_failed_invoice_notification( $invoice_id, $new_status = '' ) {

    $email_type = 'failed_invoice';

    if ( !wpinv_email_is_enabled( $email_type ) ) {

        return false;

    }

    $invoice = wpinv_get_invoice( $invoice_id );

    if ( empty( $invoice ) ) {

        return false;

    }

    if ( !("wpi_invoice" === $invoice->post_type) ) {

        return false;

    }

    $recipient      = wpinv_email_get_recipient( $email_type, $invoice_id, $invoice );

    if ( !is_email( $recipient ) ) {

        return false;

    }

    do_action( 'wpinv_pre_send_invoice_notification', $invoice, $email_type, true );

    $subject        = wpinv_email_get_subject( $email_type, $invoice_id, $invoice );

    $email_heading  = wpinv_email_get_heading( $email_type, $invoice_id, $invoice );

    $headers        = wpinv_email_get_headers( $email_type, $invoice_id, $invoice );

    $message_body   = wpinv_email_get_content( $email_type, $invoice_id, $invoice );

    $attachments    = wpinv_email_get_attachments( $email_type, $invoice_id, $invoice );

    $content        = wpinv_get_template_html( 'emails/wpinv-email-' . $email_type . '.php', array(

            'invoice'       => $invoice,

            'email_type'    => $email_type,

            'email_heading' => $email_heading,

            'sent_to_admin' => true,

            'plain_text'    => false,

            'message_body'  => $message_body,

        ) );

    $sent = wpinv_mail_send( $recipient, $subject, $content, $headers, $attachments );

    do_action( 'wpinv_post_send_invoice_notification', $invoice, $email_type, true );

    return $sent;

}

function wpinv_onhold_invoice_notification( $invoice_id, $new_status = '' ) {

    $email_type = 'onhold_invoice';