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<?php |
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namespace Jumilla\Versionia\Laravel; |
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use Illuminate\Database\DatabaseManager; |
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use Illuminate\Contracts\Config\Repository as Config; |
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use Illuminate\Database\Schema\Blueprint; |
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use Illuminate\Support\Facades\Schema; |
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class Migrator |
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{ |
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const VERSION_NULL = null; |
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/** |
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* @var \Illuminate\Database\DatabaseManager |
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*/ |
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protected $db; |
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/** |
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* @var string |
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*/ |
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protected $table = 'migrations'; |
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/** |
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* @var array |
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*/ |
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protected $migrations = []; |
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/** |
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* @var array |
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*/ |
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protected $seeds = []; |
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/** |
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* @var string |
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*/ |
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protected $default_seed; |
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/** |
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* @param \Illuminate\Contracts\Database\DatabaseManager $db |
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* @param \Illuminate\Contracts\Config\Repository $config |
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*/ |
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public function __construct(DatabaseManager $db, Config $config = null) |
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{ |
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$this->db = $db; |
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if ($config) { |
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$this->table = $config->get('database.migrations', $this->table); |
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} |
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} |
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/** |
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* @return string |
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*/ |
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public function getTable() |
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{ |
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return $this->table; |
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} |
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/** |
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* @param string $a |
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* @param string $b |
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* |
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* @return int |
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*/ |
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public function compareMigrationVersion($a, $b) |
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{ |
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return version_compare($a, $b); |
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} |
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/** |
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* @param string $group |
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* @param string $version |
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* @param string $class |
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*/ |
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public function registerMigration($group, $version, $class) |
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{ |
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$this->registerMigrations($group, [ |
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$version => $class, |
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]); |
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} |
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/** |
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* @param string $group |
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* @param array $versions |
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*/ |
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public function registerMigrations($group, array $versions) |
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{ |
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foreach ($versions as $version => $class) { |
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$this->migrations[$group][$version] = $class; |
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} |
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} |
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/** |
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* @return array |
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*/ |
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public function migrationGroups() |
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{ |
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$groups = array_keys($this->migrations); |
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sort($groups); |
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return $groups; |
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} |
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/** |
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* @param string $group |
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* @param bool $descending |
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* |
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* @return array |
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*/ |
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public function migrationVersions($group, $descending = false) |
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{ |
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$versions = array_get($this->migrations, $group, []); |
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uksort($versions, [$this, 'compareMigrationVersion']); |
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return $descending ? array_reverse($versions, true) : $versions; |
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} |
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/** |
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* @param string $group |
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* |
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* @return array |
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*/ |
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public function migrationVersionsByDesc($group) |
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{ |
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return $this->migrationVersions($group, true); |
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} |
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/** |
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* @param string $group |
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* |
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* @return string |
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*/ |
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public function migrationLatestVersion($group) |
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{ |
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foreach ($this->migrationVersionsByDesc($group) as $version => $class) { |
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return $version; |
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} |
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return self::VERSION_NULL; |
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} |
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/** |
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* @param string $group |
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* @param string $version |
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* |
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* @return string |
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*/ |
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public function migrationClass($group, $version) |
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{ |
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$versions = array_get($this->migrations, $group, []); |
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return array_get($versions, $version, null); |
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} |
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/** |
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* @param string $name |
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* @param string $class |
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*/ |
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public function registerSeed($name, $class) |
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{ |
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$this->registerSeeds([ |
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$name => $class, |
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]); |
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} |
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/** |
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* @param array $seeds |
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*/ |
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public function registerSeeds(array $seeds) |
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{ |
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$this->seeds = array_merge($this->seeds, $seeds); |
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} |
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/** |
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* @return string |
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*/ |
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public function defaultSeed() |
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{ |
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return $this->default_seed; |
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} |
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/** |
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* @param string $seed |
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*/ |
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public function setDefaultSeed($seed) |
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{ |
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$this->default_seed = $seed; |
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} |
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/** |
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* @return array |
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*/ |
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public function seedNames() |
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{ |
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return array_keys($this->seeds); |
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} |
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/** |
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* @param string $name |
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* |
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* @return string |
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*/ |
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public function seedClass($name) |
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{ |
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return array_get($this->seeds, $name); |
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} |
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/** |
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*/ |
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public function makeLogTable() |
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{ |
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if (!Schema::hasTable($this->table)) { |
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Schema::create($this->table, function (Blueprint $table) { |
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$table->string('group'); |
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$table->string('version'); |
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$table->string('class'); |
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$table->unique(['group', 'version']); |
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}); |
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} |
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} |
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/** |
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* @param bool $descending |
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* |
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* @return \Illuminate\Support\Collection |
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*/ |
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public function installedMigrations($descending = false) |
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{ |
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return collect($this->db->table($this->table)->get())->sort(function ($a, $b) use ($descending) { |
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return $this->compareMigrationVersion($a->version, $b->version) * ($descending ? -1 : 1); |
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})->groupBy('group'); |
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} |
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/** |
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* @return \Illuminate\Support\Collection |
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*/ |
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public function installedMigrationsByDesc() |
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{ |
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return $this->installedMigrations(true); |
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} |
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/** |
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* @return \Illuminate\Support\Collection |
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*/ |
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public function installedLatestMigrations() |
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{ |
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return collect($this->db->table($this->table)->get())->reduce(function ($result, $item) { |
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if (isset($result[$item->group])) { |
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if ($this->compareMigrationVersion($item->version, $result[$item->group]->version) > 0) { |
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$result[$item->group] = $item; |
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} |
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} else { |
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$result[$item->group] = $item; |
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} |
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return $result; |
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}, collect()); |
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} |
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/** |
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* @param string $group |
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* @param string $version |
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* @param string $class |
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*/ |
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public function addMigrationLog($group, $version, $class) |
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{ |
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$this->db->table($this->table)->insert([ |
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'group' => $group, |
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'version' => $version, |
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'class' => $class, |
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]); |
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} |
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/** |
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* @param string $group |
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* @param string $version |
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*/ |
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public function removeMigrationLog($group, $version) |
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{ |
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$this->db->table($this->table)->where('group', $group)->where('version', $version)->delete(); |
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} |
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/** |
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* @param string $group |
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* @param string $version |
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* @param string $class |
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*/ |
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public function doUpgrade($group, $version, $class) |
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{ |
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$migration = new $class(); |
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$migration->up(); |
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$this->addMigrationLog($group, $version, $class); |
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} |
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/** |
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* @param string $group |
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* @param string $version |
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* @param string $class |
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*/ |
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public function doDowngrade($group, $version, $class = null) |
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{ |
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if ($class === null) { |
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$class = $this->migrationClass($group, $version); |
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} |
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$migration = new $class(); |
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$migration->down(); |
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$this->removeMigrationLog($group, $version); |
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} |
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} |
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