From edc39bd0fe63845ca3294567f0698604671514e1 Mon Sep 17 00:00:00 2001
From: Aldarien <aldarien85@gmail.com>
Date: Wed, 13 Oct 2021 22:46:10 -0300
Subject: [PATCH 1/3] Composer

---
 composer.json | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 composer.json

diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..c94854f
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,21 @@
+{
+    "name": "provm/database",
+    "description": "Database loader for j4mie/paris",
+    "type": "library",
+    "require": {
+        "j4mie/paris": "^1.5"
+    },
+    "license": "MIT",
+    "autoload": {
+        "psr-4": {
+            "ProVM\\Database\\": "src/",
+            "ProVM\\Common\\": "common/"
+        }
+    },
+    "authors": [
+        {
+            "name": "Aldarien",
+            "email": "aldarien85@gmail.com"
+        }
+    ]
+}

From 68122d14311cb8ff61bcb18b7c293cdef5cbafef Mon Sep 17 00:00:00 2001
From: Aldarien <aldarien85@gmail.com>
Date: Wed, 13 Oct 2021 22:46:19 -0300
Subject: [PATCH 2/3] Common

---
 common/Define/Engine.php    |  8 ++++++++
 common/Service/Database.php | 36 ++++++++++++++++++++++++++++++++++++
 2 files changed, 44 insertions(+)
 create mode 100644 common/Define/Engine.php
 create mode 100644 common/Service/Database.php

diff --git a/common/Define/Engine.php b/common/Define/Engine.php
new file mode 100644
index 0000000..2369669
--- /dev/null
+++ b/common/Define/Engine.php
@@ -0,0 +1,8 @@
+<?php
+namespace ProVM\Common\Define;
+
+interface Engine {
+    public function __construct(string $host, string $name, ?int $port = null);
+    public function dsn(): string;
+    public function hasLogin(): bool;
+}
\ No newline at end of file
diff --git a/common/Service/Database.php b/common/Service/Database.php
new file mode 100644
index 0000000..88e12fc
--- /dev/null
+++ b/common/Service/Database.php
@@ -0,0 +1,36 @@
+<?php
+namespace ProVM\Common\Service;
+
+use \Model;
+
+class Database {
+    protected $settings;
+    public function __construct($settings) {
+        $this->settings = $settings;
+    }
+    public function load() {
+        foreach ($this->settings->databases as $name => $settings) {
+            $engine = $this->getEngine($settings);
+            $configs = ['connection_string' => $engine->dsn()];
+            if ($engine->hasLogin()) {
+                $configs['username'] = $settings->user->name;
+                $configs['password'] = $settings->user->password;
+            }
+            Model::configure($configs, null, $name);
+        }
+        if (isset($this->settings->short_names)) {
+            Model::$short_table_names = $this->settings->short_names;
+        }
+    }
+    protected function getEngine($settings): \ProVM\Common\Define\Engine {
+        $name = match($settings->engine) {
+            'mysql' => 'MySQL'
+        };
+        $class = implode("\\", [
+            'ProVM',
+            'Database',
+            $name
+        ]);
+        return new $class($settings->host->name, $settings->name, $settings->host->port ?? null);
+    }
+}
\ No newline at end of file

From 50bd59498dcf1502b969e4312f542edfbf208205 Mon Sep 17 00:00:00 2001
From: Aldarien <aldarien85@gmail.com>
Date: Wed, 13 Oct 2021 22:46:32 -0300
Subject: [PATCH 3/3] MySQL Engine

---
 src/MySQL.php | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 src/MySQL.php

diff --git a/src/MySQL.php b/src/MySQL.php
new file mode 100644
index 0000000..1cf17a0
--- /dev/null
+++ b/src/MySQL.php
@@ -0,0 +1,32 @@
+<?php
+namespace ProVM\Database;
+
+use ProVM\Common\Define\Engine;
+
+class MySQL implements Engine {
+    protected $host;
+    protected $name;
+    public function __construct(string $host, string $name, ?int $port = null) {
+        $host_arr = [
+            'name' => $host
+        ];
+        if ($port !== null) {
+            $host_arr['port'] = $port;
+        }
+        $this->host = (object) $host_arr;
+        $this->name = $name;
+    }
+    public function dsn(): string {
+        $dsn = [
+            'host=' . $this->host->name
+        ];
+        if (isset($this->host->port)) {
+            $dsn []= 'port=' . $this->host->port;
+        }
+        $dsn []= 'dbname=' . $this->name;
+        return 'mysql:' . implode(';', $dsn);
+    }
+    public function hasLogin(): bool {
+        return true;
+    }
+}
\ No newline at end of file