v0.1.0

provm/common/Service/Database.php

@@ -0,0 +1,30 @@
+<?php
+namespace ProVM\Common\Service;
+
+use \ORM;
+use \Model;
+use ProVM\Common\Service\Database\MySQL;
+
+class Database {
+  protected $settings;
+  public function __construct($settings) {
+    $this->settings = $settings;
+  }
+  public function load() {
+    foreach ($this->settings->dbs as $name => $data) {
+      switch (strtolower($data->engine)) {
+        case 'mysql':
+          $obj = new MySQL($data);
+          break;
+      }
+      ORM::configure($obj->dsn(), null, $name);
+      if ($obj->hasUser()) {
+        ORM::configure('username', $data->user->name, $name);
+        ORM::configure('password', $data->user->password, $name);
+      }
+    }
+    if (isset($this->settings->short_names)) {
+      Model::$short_table_names = $this->settings->short_names;
+    }
+  }
+}

provm/common/Service/Database/DSN.php

@@ -0,0 +1,25 @@
+<?php
+namespace ProVM\Common\Service\Database;
+
+class DSN {
+  public $engine;
+  public function __construct(string $engine) {
+    $this->engine = $engine;
+  }
+  public $pairs;
+  public function addPair($name, $value) {
+    if ($this->pairs === null) {
+      $this->pairs = [];
+    }
+    $this->pairs []= [$name, $value];
+    return $this;
+  }
+  public function __toString() {
+    return implode(':', [
+      $this->engine,
+      implode(';', array_map(function($item) {
+        return implode('=', $item);
+      }, $this->pairs))
+    ]);
+  }
+}

provm/common/Service/Database/MySQL.php

@@ -0,0 +1,21 @@
+<?php
+namespace ProVM\Common\Service\Database;
+
+class MySQL {
+  protected $settings;
+  public function __construct($settings) {
+    $this->settings = $settings;
+  }
+  public function dsn(): string {
+    $dsn = (new DSN($this->settings->engine))
+      ->addPair('host', $this->settings->host->name);
+    if (isset($this->settings->host->port)) {
+      $dsn->addPair('port', $this->settings->host->port);
+    }
+    $dsn->addPair('dbname', $this->settings->name);
+    return '' . $dsn;
+  }
+  public function hasUser(): bool {
+    return true;
+  }
+}

provm/common/Service/Migrator.php

@@ -0,0 +1,19 @@
+<?php
+namespace ProVM\Common\Service;
+
+class Migrator {
+  protected $schema_filename;
+  protected $migrations_folder;
+  protected $seeds_folder;
+  public function __construct(string $schema_filename, string $migrations_folder, string $seeds_folder) {
+    $this->schema_filename = $schema_filename;
+    $this->migrations_folder = $migrations_folder;
+    $this->seeds_folder = $seeds_folder;
+  }
+  protected $schema;
+  public function schema() {
+    if ($this->schema === null) {
+      $file = new \File($this->schema_filename);
+    }
+  }
+}