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authorLaria Carolin Chabowski <laria@laria.me>2020-02-07 09:44:59 +0100
committerLaria Carolin Chabowski <laria@laria.me>2020-02-07 09:44:59 +0100
commit2eb5a432d2229788ce2fdb09f36c6f4bebdea813 (patch)
treeab57978bdda34c82b025b897cfb6825b1fd1e654 /src/Env.php
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Initial commit
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+<?php
+
+namespace Micropoly;
+
+use SQLite3;
+use Twig\Environment;
+use Twig\Loader\FilesystemLoader;
+use Twig\TwigFilter;
+use Twig\TwigFunction;
+
+class Env
+{
+ private array $config;
+
+ private function __construct() { }
+
+ private array $lazyLoaded = [];
+
+ private function lazy(string $ident, callable $callback)
+ {
+ if (!isset($this->lazyLoaded[$ident])) {
+ $this->lazyLoaded[$ident] = $callback();
+ }
+ return $this->lazyLoaded[$ident];
+ }
+
+ public static function fromConfig(array $config)
+ {
+ $env = new self;
+ $env->config = $config;
+ return $env;
+ }
+
+ public function documentRoot(): string { return "/"; }
+
+ public function twig(): Environment
+ {
+ return $this->lazy("twig", function () {
+ $loader = new FilesystemLoader($this->config["templates_path"]);
+ $env = new Environment($loader, [
+ "cache" => $this->config["templates_cache"],
+ ]);
+
+ $env->addFunction(new TwigFunction("url", function (string $url, ...$args) {
+ return $this->documentRoot() . sprintf($url, ...$args);
+ }, ["is_variadic" => true]));
+
+ $env->addFilter(new TwigFilter("search_escape", static function (string $s) {
+ $s = str_replace("\\", "\\\\", $s);
+ $s = str_replace("#", "\\#", $s);
+ $s = str_replace(" ", "\\ ", $s);
+ $s = str_replace("\t", "\\\t", $s);
+ $s = str_replace("(", "\\(", $s);
+ $s = str_replace(")", "\\)", $s);
+ return $s;
+ }));
+
+ return $env;
+ });
+ }
+
+ public function rawDbCon(): SQLite3
+ {
+ return $this->lazy("rawDbCon", function () {
+ return new SQLite3($this->config["sqlitedb"]);
+ });
+ }
+
+ public function db(): SQLite3
+ {
+ return $this->lazy("db", function () {
+ $db = $this->rawDbCon();
+ $db->exec("PRAGMA foreign_keys = ON");
+
+ (new Schema($db))->migrate();
+
+ return $db;
+ });
+ }
+}