From e121bbebe3ccd990b66a7b04289adf481a4aa2af Mon Sep 17 00:00:00 2001
From: Jesse Morgan <jesse@jesterpm.net>
Date: Tue, 30 Aug 2011 12:29:19 -0700
Subject: Working on the moderation schedule iterator

---
 htdocs/src/ModerationSchedule.inc.php | 105 ++++++++++++++++++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 htdocs/src/ModerationSchedule.inc.php

(limited to 'htdocs/src/ModerationSchedule.inc.php')

diff --git a/htdocs/src/ModerationSchedule.inc.php b/htdocs/src/ModerationSchedule.inc.php
new file mode 100644
index 0000000..cca6697
--- /dev/null
+++ b/htdocs/src/ModerationSchedule.inc.php
@@ -0,0 +1,105 @@
+<?php
+
+/* Foursquare Community Site
+ * 
+ * Copyright (C) 2011 Foursquare Church.
+ * 
+ * Developers: Jesse Morgan <jmorgan@foursquarestaff.com>
+ *
+ */
+
+require_once "base.inc.php";
+
+class ModerationSchedule implements Iterator {
+    private $moderators;
+    private $exceptions;
+
+    private $year;
+    private $week;
+    private $expos;
+
+    public function __construct() {
+        $this->moderators = array();
+        $this->exceptions = array();
+    }
+
+    public function getNumberOfModerators() {
+        return count($this->moderators);
+    }
+
+
+    // Iterator methods
+
+    public function rewind() {
+        $this->year = date('o');
+        $this->week = date('W') + 0;
+        $this->expos = 0;
+    }
+
+    public function current() {
+        // Get the scheduled mod.
+        $modpos = $this->week % $this->getNumberOfModerators();
+        $moderator = $this->moderators[$modpos]['user_id'];
+
+        // Check for exceptions
+        if (count($this->exceptions) > 0) {
+            // Skip exceptions prior to the current() date.
+            while (
+                // We have exceptions to search
+                $this->expos < count($this->exceptions) and
+                // and the year is less than the current() year
+                ($this->exceptions[$this->expos]['year'] < $this->year or
+                // or if it is the current() year, but less than the week.
+                ($this->exceptions[$this->expos]['year'] == $this->year
+                and $this->exceptions[$this->expos]['week'] < $this->week))
+                ) {
+
+                $this->expos++;
+            }
+
+            // Check if the top exception is for today.
+            if ($this->exceptions[$this->expos]['year'] == $this->year
+                and $this->exceptions[$this->expos]['week'] == $this->week
+            ) {
+                // Yes, return the replacement
+                $moderator = $this->exceptions[$this->expos]['user_id'];
+            }
+        }
+        
+        return User::getById($moderator);
+    }
+
+    public function key() {
+        // TODO: Return "key" for "current" moderator (date)
+    }
+
+    public function next() {
+        // TODO: Impl. next
+    }
+
+    public function valid() {
+        // The schedule continues forever.
+        return true;
+    }
+
+    private function query() {
+        $db = getDatabase();
+        $this->rewind();
+
+        // Get the moderators
+        $query = "SELECT * FROM moderation_schedule ORDER BY position"; 
+        $this->moderators = $db->fetchAssocRows($query);
+
+        // Get the exceptions
+        $year = date('o');
+        $week = date('W');
+
+        $query = "SELECT * FROM moderator_exceptions"
+            . " WHERE year >= $year AND week >= $week"
+            . " ORDER BY year, week";
+        $this->exceptions = $db->fetchAssocRows($query);
+    }
+}
+
+?>
+
-- 
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