Implement daily email sending

public_html/cron.daily.php

@@ -0,0 +1,70 @@
+<?php
+/*
+ * ReDonate is more free software. It is licensed under the WTFPL, which
+ * allows you to do pretty much anything with it, without having to
+ * ask permission. Commercial use is allowed, and no attribution is
+ * required. We do politely request that you share your modifications
+ * to benefit other developers, but you are under no enforced
+ * obligation to do so :)
+ * 
+ * Please read the accompanying LICENSE document for the full WTFPL
+ * licensing text.
+ */
+
+$_APP = true;
+require("includes/base.php");
+
+if(php_sapi_name() !== "cli")
+{
+	//http_status_code(403);
+	//die();
+}
+
+/* This cronjob will send out donation reminder e-mails for every user
+ * that hasn't received an e-mail in the past month. It will also 
+ * re-generate statistics for every campaign, and store them in the
+ * historical statistics logs.
+ */
+
+/* First, we'll start out sending reminder e-mails. */
+
+try
+{
+	$sSubscriptions = Subscription::CreateFromQuery("SELECT * FROM subscriptions WHERE `Confirmed` = 1 AND `LastEmail` IS NULL OR `LastEmail` < DATE_SUB(NOW(), INTERVAL 1 MONTH)");
+}
+catch (NotFoundException $e)
+{
+	$sSubscriptions = array();
+}
+
+foreach($sSubscriptions as $sSubscription)
+{
+	/* Create a payment request */
+	$sPaymentRequest = new PaymentRequest(0);
+	$sPaymentRequest->uCurrency = $sSubscription->uCurrency;
+	$sPaymentRequest->uAmount = $sSubscription->uAmount;
+	$sPaymentRequest->uCampaignId = $sSubscription->uCampaignId;
+	$sPaymentRequest->uSubscriptionId = $sSubscription->sId;
+	$sPaymentRequest->uKey = random_string(16);
+	$sPaymentRequest->uPaid = false;
+	$sPaymentRequest->uDate = time();
+	$sPaymentRequest->InsertIntoDatabase();
+	
+	/* Log an event */
+	$sLogEntry = new LogEntry(0);
+	$sLogEntry->uType = LogEntry::DONATION_ASKED;
+	$sLogEntry->uIp = $_SERVER['REMOTE_ADDR'];
+	$sLogEntry->uData = json_encode(array("payment_request" => $sPaymentRequest->sId));
+	$sLogEntry->uCampaignId = $sPaymentRequest->sCampaign->sId;
+	$sLogEntry->uDate = time();
+	$sLogEntry->uSessionId = session_id();
+	$sLogEntry->InsertIntoDatabase();
+	
+	/* Send an e-mail */
+	$sEmail = $sPaymentRequest->GenerateEmail();
+	send_mail($sSubscription->sEmailAddress, "Your monthly donation to {$sSubscription->sCampaign->sName}", $sEmail['text'], $sEmail['html']);
+	
+	/* Update the subscription to reflect the last sent e-mail */
+	$sSubscription->uLastEmail = time();
+	$sSubscription->InsertIntoDatabase();
+}