From d2336ce5f06b0e2762149edce0d7253437914f2b Mon Sep 17 00:00:00 2001
From: Iain Patterson <me@iain.cx>
Date: Tue, 24 Sep 2013 09:13:26 +0100
Subject: [PATCH] Report orders by beneficiary postcode.

---
 lib/report.php | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/lib/report.php b/lib/report.php
index 2209d52..d8699d2 100644
--- a/lib/report.php
+++ b/lib/report.php
@@ -102,6 +102,44 @@
     echo "</table>\n";
   }
 
+  function show_postcode_report(&$order_ids) {
+    echo "<h3>Orders by postcode</h3>\n";
+
+    /*
+      No regex replace support in MySQL so we'll have to retrieve all records
+      and group the postcodes ourselves.
+    */
+    $q = new OrderQuery;
+    $q->filterById($order_ids);
+    $q->join("Beneficiary");
+    /* No foreign key so we need to list the two tables. */
+    $q->join("Beneficiary.Address");
+    /* Not a FoodOrder column so we need to ask for it explicitly. */
+    $q->withColumn('upper(postcode)', 'postcode');
+    $rows = $q->find();
+
+    $total = 0;
+    $postcodes = array();
+    foreach ($rows as $row) {
+      $postcode = preg_replace('/\s*[0-9][A-Z]+$/', '', trim($row->getPostcode()));
+      if (! $postcode) $postcode = "Unknown";
+      $postcodes[$postcode]++;
+      $total++;
+    }
+    ksort($postcodes);
+
+    echo "<table class=\"report\">\n";
+    foreach ($postcodes as $postcode => $count) {
+      echo "<tr>\n";
+      printf("  <td align=\"right\">%d</td><td>%s</td>\n", $count, htmlspecialchars($postcode));
+      echo "</tr>\n";
+    }
+    echo "<tr>\n";
+    echo "  <td align=\"right\" class=\"strong\">$total</td><td class=\"strong\">Total</td>\n";
+    echo "</tr>\n";
+    echo "</table>\n";
+  }
+
   function show_contents_report(&$order_ids, $parcel_size, $grand_total) {
     global $parcel_sizes, $parcel_contents;
 
@@ -200,6 +238,7 @@
     }
 
     show_order_report($order_state_ids);
+    show_postcode_report($order_ids);
     show_parcel_report($order_ids);
     show_requester_report($order_ids);
   }
-- 
2.20.1