Move SQL query calculation into separate general function

[misc/kostenrechnung] / lib / general.php

diff --git a/lib/general.php b/lib/general.php
index 9900bf6..3f82f4a 100644 (file)
--- a/lib/general.php
+++ b/lib/general.php
@@ -125,4 +125,20 @@ function debug_info()
   return $html;
 }
 
+function grid_sql($name, $mask)
+{
+  $fields = array();
+  foreach ($mask['list'] as $field => $data) {
+    if (array_key_exists('sql', $data))
+      $fields[] = $data['sql'] . ' AS ' . $field;
+    else
+      $fields[] = $field;
+  }
+
+  $_SESSION['grid_' . $name] = sprintf("SELECT %s FROM %s",
+                                      implode(',', $fields), $mask['table']);
+  if (array_key_exists('join', $mask)) $_SESSION['grid_' . $name] .= ' JOIN ' . join(' JOIN ', $mask['join']);
+  if (array_key_exists('where', $mask)) $_SESSION['grid_' . $name] .= ' WHERE ' . $mask['where'];
+}
+
 ?>