1 files changed, 0 insertions, 107 deletions
diff --git a/engine/database/CommonDatabase.php b/engine/database/CommonDatabase.php
deleted file mode 100644
index 13ea79c..0000000
--- a/engine/database/CommonDatabase.php
+++ /dev/null
@@ -1,107 +0,0 @@
-<?php
-
-abstract class CommonDatabase {
-
-    abstract public function query(string $sql, ...$args);
-    abstract public function escape(string $s): string;
-    abstract public function fetch($q): ?array;
-    abstract public function fetchAll($q): ?array;
-    abstract public function fetchRow($q): ?array;
-    abstract public function result($q, int $field = 0);
-    abstract public function insertId(): ?int;
-    abstract public function numRows($q): ?int;
-
-    protected function prepareQuery(string $sql, ...$args): string {
-        global $config;
-        if (!empty($args)) {
-            $mark_count = substr_count($sql, '?');
-            $positions = array();
-            $last_pos = -1;
-            for ($i = 0; $i < $mark_count; $i++) {
-                $last_pos = strpos($sql, '?', $last_pos + 1);
-                $positions[] = $last_pos;
-            }
-            for ($i = $mark_count - 1; $i >= 0; $i--) {
-                $arg_val = $args[$i];
-                if (is_null($arg_val)) {
-                    $v = 'NULL';
-                } else {
-                    $v = '\''.$this->escape($arg_val) . '\'';
-                }
-                $sql = substr_replace($sql, $v, $positions[$i], 1);
-            }
-        }
-        if (!empty($config['db']['log']))
-            logDebug(__METHOD__.': ', $sql);
-        return $sql;
-    }
-
-    public function insert(string $table, array $fields) {
-        return $this->performInsert('INSERT', $table, $fields);
-    }
-
-    public function replace(string $table, array $fields) {
-        return $this->performInsert('REPLACE', $table, $fields);
-    }
-
-    protected function performInsert(string $command, string $table, array $fields) {
-        $names = [];
-        $values = [];
-        $count = 0;
-        foreach ($fields as $k => $v) {
-            $names[] = $k;
-            $values[] = $v;
-            $count++;
-        }
-
-        $sql = "{$command} INTO `{$table}` (`" . implode('`, `', $names) . "`) VALUES (" . implode(', ', array_fill(0, $count, '?')) . ")";
-        array_unshift($values, $sql);
-
-        return $this->query(...$values);
-    }
-
-    public function update(string $table, array $rows, ...$cond) {
-        $fields = [];
-        $args = [];
-        foreach ($rows as $row_name => $row_value) {
-            $fields[] = "`{$row_name}`=?";
-            $args[] = $row_value;
-        }
-        $sql = "UPDATE `$table` SET ".implode(', ', $fields);
-        if (!empty($cond)) {
-            $sql .= " WHERE ".$cond[0];
-            if (count($cond) > 1)
-                $args = array_merge($args, array_slice($cond, 1));
-        }
-        return $this->query($sql, ...$args);
-    }
-
-    public function multipleInsert(string $table, array $rows) {
-        list($names, $values) = $this->getMultipleInsertValues($rows);
-        $sql = "INSERT INTO `{$table}` (`".implode('`, `', $names)."`) VALUES ".$values;
-        return $this->query($sql);
-    }
-
-    public function multipleReplace(string $table, array $rows) {
-        list($names, $values) = $this->getMultipleInsertValues($rows);
-        $sql = "REPLACE INTO `{$table}` (`".implode('`, `', $names)."`) VALUES ".$values;
-        return $this->query($sql);
-    }
-
-    protected function getMultipleInsertValues(array $rows): array {
-        $names = [];
-        $sql_rows = [];
-        foreach ($rows as $i => $fields) {
-            $row_values = [];
-            foreach ($fields as $field_name => $field_val) {
-                if ($i == 0) {
-                    $names[] = $field_name;
-                }
-                $row_values[] = $this->escape($field_val);
-            }
-            $sql_rows[] = "('".implode("', '", $row_values)."')";
-        }
-        return [$names, implode(', ', $sql_rows)];
-    }
-
-}
-\ No newline at end of file