show license message depending on setting

lam/HISTORY

@@ -1,6 +1,7 @@
 June 2020 7.2
   - LAM Pro:
    -> EMail sending can be done via SMTP without local mail server
+   -> License expiration warning can be sent via email or disabled
 
 
 17.03.2020 7.1

lam/docs/manual-sources/chapter-configuration.xml

@@ -60,6 +60,10 @@
       <para>When you entered the license key then the license details can be
       seen on LAM configuration overview page.</para>
 
+      <para>By default, LAM Pro will show a warning message on the login page
+      3 weeks before expiration. You can disable this here and/or send out an
+      email instead.</para>
+
       <screenshot>
         <mediaobject>
           <imageobject>

lam/lib/config.inc

@@ -3166,6 +3166,18 @@ class LAMCfgMain {
 		return ($type === self::LICENSE_WARNING_ALL) || ($type === self::LICENSE_WARNING_EMAIL);
 	}
 
+	/**
+	 * Returns if the license warning was already sent.
+	 *
+	 * @param int $timeStamp time stamp
+	 */
+	public function wasLicenseWarningSent($timeStamp) {
+		if (empty($this->licenseEmailDateSent)) {
+			return false;
+		}
+		return $timeStamp == $this->licenseEmailDateSent;
+	}
+
 }
 
 ?>

lam/templates/login.php

@@ -452,10 +452,20 @@ function display_LoginPage($licenseValidator, $error_message) {
 		?>
 		<br><br>
 		<?PHP
-			if (isLAMProVersion() && $cfgMain->showLicenseWarningOnScreen() && $licenseValidator->isExpiringSoon()) {
+			if (isLAMProVersion() && $licenseValidator->isExpiringSoon()) {
-				$licenseMessage = sprintf(_('Your licence expires on %s. You need to purchase a new licence to be able to use LAM Pro after this date.'), $licenseValidator->getLicense()->getExpirationDate()->format('Y-m-d'));
+				$expirationDate = $licenseValidator->getLicense()->getExpirationDate()->format('Y-m-d');
+				$expirationTimeStamp = $licenseValidator->getLicense()->getExpirationDate()->getTimestamp();
+				if ($cfgMain->showLicenseWarningOnScreen()) {
+					$licenseMessage = sprintf(_('Your licence expires on %s. You need to purchase a new licence to be able to use LAM Pro after this date.'), $expirationDate);
 					StatusMessage('WARN', $licenseMessage);
 				}
+				if ($cfgMain->sendLicenseWarningByEmail() && !$cfgMain->wasLicenseWarningSent($expirationTimeStamp)) {
+				    $cfgMain->licenseEmailDateSent = $expirationTimeStamp;
+				    $cfgMain->save();
+					$mailer = new \LAM\ENV\LicenseWarningMailer($cfgMain);
+					$mailer->sendMail($expirationDate);
+				}
+			}
 		?>
 		<br><br>
 	</body>

lam/tests/lib/LAMCfgMainTest.php

@@ -75,19 +75,22 @@ class LAMCfgMainTest extends TestCase {
 	 * License related settings.
 	 */
 	public function testLicense() {
+		$timestamp = '12345';
 		$this->assertEquals(LAMCfgMain::LICENSE_WARNING_SCREEN, $this->conf->getLicenseWarningType());
+		$this->assertFalse($this->conf->wasLicenseWarningSent($timestamp));
 		$this->conf->licenseEmailTo = 'TO';
 		$this->conf->licenseEmailFrom = 'FROM';
-		$this->conf->licenseEmailDateSent = 'date';
 		$this->conf->licenseWarningType = LAMCfgMain::LICENSE_WARNING_ALL;
 		$this->conf->setLicenseLines(array('123', '456'));
+		$this->conf->licenseEmailDateSent = $timestamp;
 
 		$this->conf->save();
 		$this->conf = new LAMCfgMain($this->file);
 
 		$this->assertEquals('TO', $this->conf->licenseEmailTo);
 		$this->assertEquals('FROM', $this->conf->licenseEmailFrom);
-		$this->assertEquals('date', $this->conf->licenseEmailDateSent);
+		$this->assertEquals($timestamp, $this->conf->licenseEmailDateSent);
+		$this->assertTrue($this->conf->wasLicenseWarningSent($timestamp));
 		$this->assertEquals(LAMCfgMain::LICENSE_WARNING_ALL, $this->conf->licenseWarningType);
 		$this->assertEquals(array('123', '456'), $this->conf->getLicenseLines());
 	}