From 64e4d168e01387d5650aaebecdadc4c815071cc3 Mon Sep 17 00:00:00 2001
From: Igor Scheller <igor.scheller@igorshp.de>
Date: Sun, 21 Jul 2019 20:38:07 +0200
Subject: migration: Order by migrated and append not migrated

---
 bin/migrate                                   |  4 +-
 src/Database/Migration/Migrate.php            | 77 +++++++++++++++++++++------
 tests/Unit/Database/Migration/MigrateTest.php |  1 +
 3 files changed, 64 insertions(+), 18 deletions(-)

diff --git a/bin/migrate b/bin/migrate
index ab3598d4..6336e387 100755
--- a/bin/migrate
+++ b/bin/migrate
@@ -19,8 +19,8 @@ $app->register(MigrationServiceProvider::class);
 $migration = $app->get('db.migration');
 $migration->setOutput(function ($text) { echo $text . PHP_EOL; });
 
-if (isset($argv[1]) && strtolower($argv[1]) == 'help') {
-    echo PHP_EOL . 'Usage: ' . $argv[1] . ' [up|down] [one-step]' . PHP_EOL . PHP_EOL;
+if (isset($argv[1]) && in_array(strtolower($argv[1]), ['help', '--help', '-h'])) {
+    echo PHP_EOL . 'Usage: ' . $argv[0] . ' [up|down] [one-step]' . PHP_EOL . PHP_EOL;
     exit;
 }
 
diff --git a/src/Database/Migration/Migrate.php b/src/Database/Migration/Migrate.php
index c8ee9456..214903e4 100644
--- a/src/Database/Migration/Migrate.php
+++ b/src/Database/Migration/Migrate.php
@@ -50,26 +50,33 @@ class Migrate
     public function run($path, $type = self::UP, $oneStep = false)
     {
         $this->initMigration();
-        $migrations = $this->getMigrations($path);
-        $migrated = $this->getMigrated();
+        $migrations = $this->mergeMigrations(
+            $this->getMigrations($path),
+            $this->getMigrated()
+        );
 
         if ($type == self::DOWN) {
-            $migrations = array_reverse($migrations, true);
+            $migrations = $migrations->reverse();
         }
 
-        foreach ($migrations as $file => $migration) {
+        foreach ($migrations as $migration) {
+            /** @var array $migration */
+            $name = $migration['migration'];
+
             if (
-                ($type == self::UP && $migrated->contains('migration', $migration))
-                || ($type == self::DOWN && !$migrated->contains('migration', $migration))
+                ($type == self::UP && isset($migration['id']))
+                || ($type == self::DOWN && !isset($migration['id']))
             ) {
-                call_user_func($this->output, 'Skipping ' . $migration);
+                ($this->output)('Skipping ' . $name);
                 continue;
             }
 
-            call_user_func($this->output, 'Migrating ' . $migration . ' (' . $type . ')');
+            ($this->output)('Migrating ' . $name . ' (' . $type . ')');
 
-            $this->migrate($file, $migration, $type);
-            $this->setMigrated($migration, $type);
+            if (isset($migration['path'])) {
+                $this->migrate($migration['path'], $name, $type);
+            }
+            $this->setMigrated($name, $type);
 
             if ($oneStep) {
                 return;
@@ -92,6 +99,38 @@ class Migrate
         });
     }
 
+    /**
+     * Merge file migrations with already migrated tables
+     *
+     * @param Collection $migrations
+     * @param Collection $migrated
+     * @return Collection
+     */
+    protected function mergeMigrations(Collection $migrations, Collection $migrated)
+    {
+        $return = $migrated;
+        $return->transform(function ($migration) use ($migrations) {
+            $migration = (array)$migration;
+            if ($migrations->contains('migration', $migration['migration'])) {
+                $migration += $migrations
+                    ->where('migration', $migration['migration'])
+                    ->first();
+            }
+
+            return $migration;
+        });
+
+        $migrations->each(function ($migration) use ($return) {
+            if ($return->contains('migration', $migration['migration'])) {
+                return;
+            }
+
+            $return->add($migration);
+        });
+
+        return $return;
+    }
+
     /**
      * Get all migrated migrations
      *
@@ -99,7 +138,9 @@ class Migrate
      */
     protected function getMigrated()
     {
-        return $this->getTableQuery()->get();
+        return $this->getTableQuery()
+            ->orderBy('id')
+            ->get();
     }
 
     /**
@@ -144,20 +185,24 @@ class Migrate
      * Get a list of migration files
      *
      * @param string $dir
-     * @return array
+     * @return Collection
      */
     protected function getMigrations($dir)
     {
         $files = $this->getMigrationFiles($dir);
 
-        $migrations = [];
+        $migrations = new Collection();
         foreach ($files as $dir) {
             $name = str_replace('.php', '', basename($dir));
-            $migrations[$dir] = $name;
+            $migrations[] = [
+                'migration' => $name,
+                'path'      => $dir,
+            ];
         }
 
-        asort($migrations);
-        return $migrations;
+        return $migrations->sortBy(function ($value) {
+            return $value['migration'];
+        });
     }
 
     /**
diff --git a/tests/Unit/Database/Migration/MigrateTest.php b/tests/Unit/Database/Migration/MigrateTest.php
index 5f0f4ec6..c71a1b7d 100644
--- a/tests/Unit/Database/Migration/MigrateTest.php
+++ b/tests/Unit/Database/Migration/MigrateTest.php
@@ -18,6 +18,7 @@ class MigrateTest extends TestCase
      * @covers \Engelsystem\Database\Migration\Migrate::getMigrations
      * @covers \Engelsystem\Database\Migration\Migrate::run
      * @covers \Engelsystem\Database\Migration\Migrate::setOutput
+     * @covers \Engelsystem\Database\Migration\Migrate::mergeMigrations
      */
     public function testRun()
     {
-- 
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