Swagger (JSON) to Laravel Migrations and Models

swagger-to-laravel

<?php
$prefix = 'OMS';
$namespace = 'App\\Models\\' . $prefix;

$swagger = json_decode(file_get_contents($argv[1]));
mkdir("gen");
mkdir("gen/models");
mkdir("gen/migrations");

foreach ($swagger->definitions as $class => $def) {

    $tablename = strtolower($prefix . "_" . preg_replace('/([^A-Z])([A-Z])/', "$1_$2", $class));

    $is_momentary = false;
    $timestamps = false;

    foreach ($def->properties as $key => $value) {
        if (isset($value->{'$ref'}) || (isset($value->type) && 'array' == $value->type)) {
            // this is momentary object
            $is_momentary = true;
        }
        if ('createdAt' == $key) {
            $timestamps = true;
        }
    }
    /// -- models

    print "Generating model $class\n";

    $fp = fopen("gen/models/$class.php", "wt");
    $str = <<<EOF1
<?php

namespace {$namespace};

use Illuminate\Database\Eloquent\Model;

class {$class} extends Model
{
    protected \$table = '{$tablename}';

EOF1;
    fwrite($fp, $str);

    if (!$timestamps) {
        fputs($fp, "    public \$timestamps = false;\n\n");
    }

    if (!$is_momentary) {

        $casts = [];
        $fillables = [];
        $str = '';
        foreach ($def->properties as $key => $value) {
            if (in_array($key, ['createdAt', 'updatedAt', 'id'])) {
                continue;
            }
            $key = ucfirst($key);
            $fillables[] = "'$key'";

            $fieldtype = isset($value->format) ? $value->format : $value->type;
            if ('int64' == $fieldtype) {
                $fieldtype = 'integer';
            }
            $casts[] = "'$key' => '$fieldtype'";
        }

        fwrite($fp, "    protected \$fillable = [" . implode(", ", $fillables) . "];\n\n");
        fwrite($fp, "    protected \$casts = [\n        " . implode(",\n        ", $casts) . "\n    ];\n\n");
        fwrite($fp, $str);
    }

    $str = <<<EOF2
}
EOF2;
    fwrite($fp, $str);
    fclose($fp);

    if ($is_momentary) {continue;}

    /// -- migrations
    print "Generating migrations {$class}\n";

    $fp = fopen("gen/migrations/" . date('Y_m_d_000000') . "_create_" . $tablename . "_table.php", "wt");
    $cref = "Create" . ucfirst(strtolower($prefix)) . $class . "Table";

    $str = <<<EOF3
<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use {$namespace}\\{$class};

class {$cref} extends Migration
{
    public function up()
    {
        \$tablename = (new $class)->getTable();
        Schema::create(\$tablename, function (Blueprint \$table) {

EOF3;
    fwrite($fp, $str);
    foreach ($def->properties as $key => $value) {
        if ('createdAt' == $key) {
            fputs($fp, "            \$table->timestamps();\n");
            continue;
        } else if ('updatedAt' == $key) {
            continue;
        }
        $nullable = "->nullable()";
        if ('id' == $key) {
            $fieldtype = 'increments';
            $nullable = '';
        } else {
            $fieldtype = isset($value->format) ? $value->format : $value->type;
            if ('int64' == $fieldtype) {
                $fieldtype = 'integer';
            }
        }
        $key = ucfirst($key);
        if (isset($value->maxLength)) {
            fputs($fp, "            \$table->{$fieldtype}('{$key}', {$value->maxLength})$nullable;\n");
        } else {
            fputs($fp, "            \$table->{$fieldtype}('{$key}')$nullable;\n");
        }
    }

    $str = <<<EOF4

        });
    }

    public function down()
    {
        \$tablename = (new $class)->getTable();
        Schema::drop(\$tablename);
    }
}
EOF4;
    fwrite($fp, $str);
    fclose($fp);

}