Questtype ?Textinput?: add support for field sizes (Issue #252) and general improvements

www/analytics/core/DataAccess/ArchiveTableCreator.php

@@ -0,0 +1,119 @@
+<?php
+/**
+ * Piwik - Open source web analytics
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ *
+ */
+
+namespace Piwik\DataAccess;
+
+use Exception;
+use Piwik\Common;
+use Piwik\Date;
+use Piwik\Db;
+use Piwik\DbHelper;
+
+class ArchiveTableCreator
+{
+    const NUMERIC_TABLE = "numeric";
+
+    const BLOB_TABLE = "blob";
+
+    static public $tablesAlreadyInstalled = null;
+
+    static public function getNumericTable(Date $date)
+    {
+        return self::getTable($date, self::NUMERIC_TABLE);
+    }
+
+    static public function getBlobTable(Date $date)
+    {
+        return self::getTable($date, self::BLOB_TABLE);
+    }
+
+    static protected function getTable(Date $date, $type)
+    {
+        $tableNamePrefix = "archive_" . $type;
+        $tableName = $tableNamePrefix . "_" . $date->toString('Y_m');
+        $tableName = Common::prefixTable($tableName);
+        self::createArchiveTablesIfAbsent($tableName, $tableNamePrefix);
+        return $tableName;
+    }
+
+    static protected function createArchiveTablesIfAbsent($tableName, $tableNamePrefix)
+    {
+        if (is_null(self::$tablesAlreadyInstalled)) {
+            self::refreshTableList();
+        }
+
+        if (!in_array($tableName, self::$tablesAlreadyInstalled)) {
+            $db  = Db::get();
+            $sql = DbHelper::getTableCreateSql($tableNamePrefix);
+
+            // replace table name template by real name
+            $tableNamePrefix = Common::prefixTable($tableNamePrefix);
+            $sql = str_replace($tableNamePrefix, $tableName, $sql);
+            try {
+                $db->query($sql);
+            } catch (Exception $e) {
+                // accept mysql error 1050: table already exists, throw otherwise
+                if (!$db->isErrNo($e, '1050')) {
+                    throw $e;
+                }
+            }
+            self::$tablesAlreadyInstalled[] = $tableName;
+        }
+    }
+
+    static public function clear()
+    {
+        self::$tablesAlreadyInstalled = null;
+    }
+
+    static public function refreshTableList($forceReload = false)
+    {
+        self::$tablesAlreadyInstalled = DbHelper::getTablesInstalled($forceReload);
+    }
+
+    /**
+     * Returns all table names archive_*
+     *
+     * @return array
+     */
+    static public function getTablesArchivesInstalled()
+    {
+        if (is_null(self::$tablesAlreadyInstalled)) {
+            self::refreshTableList();
+        }
+
+        $archiveTables = array();
+        foreach (self::$tablesAlreadyInstalled as $table) {
+            if (strpos($table, 'archive_numeric_') !== false
+                || strpos($table, 'archive_blob_') !== false
+            ) {
+                $archiveTables[] = $table;
+            }
+        }
+        return $archiveTables;
+    }
+
+    static public function getDateFromTableName($tableName)
+    {
+        $tableName = Common::unprefixTable($tableName);
+        $date = str_replace(array('archive_numeric_', 'archive_blob_'), '', $tableName);
+        return $date;
+    }
+
+    static public function getTypeFromTableName($tableName)
+    {
+        if (strpos($tableName, 'archive_numeric_') !== false) {
+            return self::NUMERIC_TABLE;
+        }
+        if (strpos($tableName, 'archive_blob_') !== false) {
+            return self::BLOB_TABLE;
+        }
+        return false;
+    }
+}