Switch from SQLite to PostgreSQL

db.php

@@ -1,4 +1,6 @@
 <?php
+
+
 class DataBase
 {
 	const DEFAULT_DURATION = '+7 day';
@@ -18,15 +20,18 @@ class DataBase
 
 	public function init()
 	{
+		require_once 'dbconfig.php';
+		$dsn = 'pgsql:dbname=' . $dbname
+			     . ';host=' . $host
+			     . ';port=' . $port;
 		try {
-			$this->db = new PDO('sqlite:test.db');
+			$this->db = new PDO($dsn, $username, $password);
 			$this->db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+			$this->db->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_ASSOC);
 		} catch (PDOException $e) {
 			echo $e->getMessage();
 			return null;
 		}
-		$stmt = $this->db->prepare('PRAGMA foreign_keys = 1;');
-		$stmt->execute();
 	}
 
 	public function isInit()
@@ -38,18 +43,18 @@ class DataBase
 	{
 		$stmt = $this->db->prepare("
 			CREATE TABLE IF NOT EXISTS clouds(
-				id_cloud INTEGER PRIMARY KEY,
+				id_cloud serial PRIMARY KEY,
 				code     TEXT NOT NULL UNIQUE,
 				size     INTEGER NOT NULL DEFAULT 3,
 				text     TEXT,
 				delete_t TIMESTAMP DEFAULT
-					(datetime('now', '" . self::DEFAULT_DURATION . "'))
+					(CURRENT_TIMESTAMP + INTERVAL '" . self::DEFAULT_DURATION . "')
 			);
 		");
 		$stmt->execute();
 		$stmt = $this->db->prepare("
 			CREATE TABLE IF NOT EXISTS words(
-				id_word  INTEGER PRIMARY KEY,
+				id_word  serial PRIMARY KEY,
 				word     TEXT NOT NULL,
 				count    INT DEFAULT 1,
 				cloud_id INT NOT NULL,
@@ -107,7 +112,7 @@ class DataBase
 			$stmt->execute();
 		}
 	}
-	public function getWords(string $id)
+	public function getWordsList(string $id)
 	{
 		$stmt = $this->db->prepare("
 			SELECT *
@@ -132,7 +137,7 @@ class DataBase
 
 	public function getWordsPercentage(string $id)
 	{
-		$words = $this->getWords($id);
+		$words = $this->getWordsList($id);
 		$total = 0;
 		foreach ($words as $word) {
 			$total += $word[1];
@@ -144,9 +149,9 @@ class DataBase
 		return $words;
 	}
 
-	public function getWordsMax(string $id)
+	public function getWordsRelative(string $id)
 	{
-		$words = $this->getWords($id);
+		$words = $this->getWordsList($id);
 		$max = 0;
 		foreach ($words as $word) {
 			$max = max($max, $word[1]);

dbconfig.php

@@ -0,0 +1,7 @@
+<?php
+
+$host     = 'localhost';
+$dbname   = 'simplewordscloud';
+$username = 'raghnarok';
+$password = 'pLkXCTEdCy6roOlnqqSjzuacRBI2UmLjYa7CbMjh';
+$port     = '5432';

get.php

@@ -12,7 +12,7 @@ if (!isset($_GET['id'])) {
 }
 $id = $_GET['id'];
 
-if ($words = $db->getWordsMax($id)) {
+if ($words = $db->getWordsRelative($id)) {
 	echo json_encode($words);
 } else {
 	echo json_encode('No id');