Add Database\DBM methods to Database\DBA

src/Database/DBA.php

@@ -9,10 +9,14 @@ namespace Friendica\Database;
 use Friendica\Core\System;
 use Friendica\Util\DateTimeFormat;
 use mysqli;
+use mysqli_result;
+use mysqli_stmt;
 use PDO;
 use PDOException;
 use PDOStatement;
 
+require_once 'include/dba.php';
+
 /**
  * @class MySQL database class
  *
@@ -1534,4 +1538,101 @@ class DBA
 
 		return $ret;
 	}
+
+	/**
+	 * @brief Return a list of database processes
+	 *
+	 * @return array
+	 *      'list' => List of processes, separated in their different states
+	 *      'amount' => Number of concurrent database processes
+	 */
+	public static function processlist()
+	{
+		$ret = self::p("SHOW PROCESSLIST");
+		$data = self::toArray($ret);
+
+		$s = [];
+
+		$processes = 0;
+		$states = [];
+		foreach ($data as $process) {
+			$state = trim($process["State"]);
+
+			// Filter out all non blocking processes
+			if (!in_array($state, ["", "init", "statistics", "updating"])) {
+				++$states[$state];
+				++$processes;
+			}
+		}
+
+		$statelist = "";
+		foreach ($states as $state => $usage) {
+			if ($statelist != "") {
+				$statelist .= ", ";
+			}
+			$statelist .= $state.": ".$usage;
+		}
+		return(["list" => $statelist, "amount" => $processes]);
+	}
+
+	/**
+	 * Checks if $array is a filled array with at least one entry.
+	 *
+	 * @param mixed $array A filled array with at least one entry
+	 *
+	 * @return boolean Whether $array is a filled array or an object with rows
+	 */
+	public static function is_result($array)
+	{
+		// It could be a return value from an update statement
+		if (is_bool($array)) {
+			return $array;
+		}
+
+		if (is_object($array)) {
+			return self::numRows($array) > 0;
+		}
+
+		return (is_array($array) && (count($array) > 0));
+	}
+
+	/**
+	 * @brief Callback function for "esc_array"
+	 *
+	 * @param mixed   $value         Array value
+	 * @param string  $key           Array key
+	 * @param boolean $add_quotation add quotation marks for string values
+	 * @return void
+	 */
+	private static function esc_array_callback(&$value, $key, $add_quotation)
+	{
+		if (!$add_quotation) {
+			if (is_bool($value)) {
+				$value = ($value ? '1' : '0');
+			} else {
+				$value = dbesc($value);
+			}
+			return;
+		}
+
+		if (is_bool($value)) {
+			$value = ($value ? 'true' : 'false');
+		} elseif (is_float($value) || is_integer($value)) {
+			$value = (string) $value;
+		} else {
+			$value = "'" . dbesc($value) . "'";
+		}
+	}
+
+	/**
+	 * @brief Escapes a whole array
+	 *
+	 * @param mixed   $arr           Array with values to be escaped
+	 * @param boolean $add_quotation add quotation marks for string values
+	 * @return void
+	 */
+	public static function esc_array(&$arr, $add_quotation = false)
+	{
+		array_walk($arr, 'self::esc_array_callback', $add_quotation);
+	}
 }