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File Content: `ShowModelCommand.php`

<?php

namespace Illuminate\Database\Console;

use BackedEnum;
use Doctrine\DBAL\Schema\Column;
use Doctrine\DBAL\Schema\Index;
use Doctrine\DBAL\Types\DecimalType;
use Illuminate\Contracts\Container\BindingResolutionException;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\Relation;
use Illuminate\Support\Facades\Gate;
use Illuminate\Support\Str;
use ReflectionClass;
use ReflectionMethod;
use SplFileObject;
use Symfony\Component\Console\Attribute\AsCommand;
use Symfony\Component\Console\Output\OutputInterface;
use UnitEnum;

#[AsCommand(name: 'model:show')]
class ShowModelCommand extends DatabaseInspectionCommand
{
    /**
     * The console command name.
     *
     * @var string
     */
    protected $name = 'model:show {model}';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Show information about an Eloquent model';

    /**
     * The console command signature.
     *
     * @var string
     */
    protected $signature = 'model:show {model : The model to show}
                {--database= : The database connection to use}
                {--json : Output the model as JSON}';

    /**
     * The methods that can be called in a model to indicate a relation.
     *
     * @var array
     */
    protected $relationMethods = [
        'hasMany',
        'hasManyThrough',
        'hasOneThrough',
        'belongsToMany',
        'hasOne',
        'belongsTo',
        'morphOne',
        'morphTo',
        'morphMany',
        'morphToMany',
        'morphedByMany',
    ];

    /**
     * Execute the console command.
     *
     * @return int
     */
    public function handle()
    {
        if (! $this->ensureDependenciesExist()) {
            return 1;
        }

        $class = $this->qualifyModel($this->argument('model'));

        try {
            $model = $this->laravel->make($class);

            $class = get_class($model);
        } catch (BindingResolutionException $e) {
            return $this->components->error($e->getMessage());
        }

        if ($this->option('database')) {
            $model->setConnection($this->option('database'));
        }

        $this->display(
            $class,
            $model->getConnection()->getName(),
            $model->getConnection()->getTablePrefix().$model->getTable(),
            $this->getPolicy($model),
            $this->getAttributes($model),
            $this->getRelations($model),
            $this->getObservers($model),
        );
    }

    /**
     * Get the first policy associated with this model.
     *
     * @param  \Illuminate\Database\Eloquent\Model  $model
     * @return string
     */
    protected function getPolicy($model)
    {
        $policy = Gate::getPolicyFor($model::class);

        return $policy ? $policy::class : null;
    }

    /**
     * Get the column attributes for the given model.
     *
     * @param  \Illuminate\Database\Eloquent\Model  $model
     * @return \Illuminate\Support\Collection
     */
    protected function getAttributes($model)
    {
        $connection = $model->getConnection();
        $schema = $connection->getDoctrineSchemaManager();
        $this->registerTypeMappings($connection->getDoctrineConnection()->getDatabasePlatform());
        $table = $model->getConnection()->getTablePrefix().$model->getTable();
        $columns = $schema->listTableColumns($table);
        $indexes = $schema->listTableIndexes($table);

        return collect($columns)
            ->values()
            ->map(fn (Column $column) => [
                'name' => $column->getName(),
                'type' => $this->getColumnType($column),
                'increments' => $column->getAutoincrement(),
                'nullable' => ! $column->getNotnull(),
                'default' => $this->getColumnDefault($column, $model),
                'unique' => $this->columnIsUnique($column->getName(), $indexes),
                'fillable' => $model->isFillable($column->getName()),
                'hidden' => $this->attributeIsHidden($column->getName(), $model),
                'appended' => null,
                'cast' => $this->getCastType($column->getName(), $model),
            ])
            ->merge($this->getVirtualAttributes($model, $columns));
    }

    /**
     * Get the virtual (non-column) attributes for the given model.
     *
     * @param  \Illuminate\Database\Eloquent\Model  $model
     * @param  \Doctrine\DBAL\Schema\Column[]  $columns
     * @return \Illuminate\Support\Collection
     */
    protected function getVirtualAttributes($model, $columns)
    {
        $class = new ReflectionClass($model);

        return collect($class->getMethods())
            ->reject(
                fn (ReflectionMethod $method) => $method->isStatic()
                    || $method->isAbstract()
                    || $method->getDeclaringClass()->getName() === Model::class
            )
            ->mapWithKeys(function (ReflectionMethod $method) use ($model) {
                if (preg_match('/^get(.+)Attribute$/', $method->getName(), $matches) === 1) {
                    return [Str::snake($matches[1]) => 'accessor'];
                } elseif ($model->hasAttributeMutator($method->getName())) {
                    return [Str::snake($method->getName()) => 'attribute'];
                } else {
                    return [];
                }
            })
            ->reject(fn ($cast, $name) => collect($columns)->has($name))
            ->map(fn ($cast, $name) => [
                'name' => $name,
                'type' => null,
                'increments' => false,
                'nullable' => null,
                'default' => null,
                'unique' => null,
                'fillable' => $model->isFillable($name),
                'hidden' => $this->attributeIsHidden($name, $model),
                'appended' => $model->hasAppended($name),
                'cast' => $cast,
            ])
            ->values();
    }

    /**
     * Get the relations from the given model.
     *
     * @param  \Illuminate\Database\Eloquent\Model  $model
     * @return \Illuminate\Support\Collection
     */
    protected function getRelations($model)
    {
        return collect(get_class_methods($model))
            ->map(fn ($method) => new ReflectionMethod($model, $method))
            ->reject(
                fn (ReflectionMethod $method) => $method->isStatic()
                    || $method->isAbstract()
                    || $method->getDeclaringClass()->getName() === Model::class
            )
            ->filter(function (ReflectionMethod $method) {
                $file = new SplFileObject($method->getFileName());
                $file->seek($method->getStartLine() - 1);
                $code = '';
                while ($file->key() < $method->getEndLine()) {
                    $code .= trim($file->current());
                    $file->next();
                }

                return collect($this->relationMethods)
                    ->contains(fn ($relationMethod) => str_contains($code, '$this->'.$relationMethod.'('));
            })
            ->map(function (ReflectionMethod $method) use ($model) {
                $relation = $method->invoke($model);

                if (! $relation instanceof Relation) {
                    return null;
                }

                return [
                    'name' => $method->getName(),
                    'type' => Str::afterLast(get_class($relation), '\\'),
                    'related' => get_class($relation->getRelated()),
                ];
            })
            ->filter()
            ->values();
    }

    /**
     * Get the Observers watching this model.
     *
     * @param  \Illuminate\Database\Eloquent\Model  $model
     * @return \Illuminate\Support\Collection
     */
    protected function getObservers($model)
    {
        $listeners = $this->getLaravel()->make('events')->getRawListeners();

        // Get the Eloquent observers for this model...
        $listeners = array_filter($listeners, function ($v, $key) use ($model) {
            return Str::startsWith($key, 'eloquent.') && Str::endsWith($key, $model::class);
        }, ARRAY_FILTER_USE_BOTH);

        // Format listeners Eloquent verb => Observer methods...
        $extractVerb = function ($key) {
            preg_match('/eloquent.([a-zA-Z]+)\: /', $key, $matches);

            return $matches[1] ?? '?';
        };

        $formatted = [];

        foreach ($listeners as $key => $observerMethods) {
            $formatted[] = [
                'event' => $extractVerb($key),
                'observer' => array_map(fn ($obs) => is_string($obs) ? $obs : 'Closure', $observerMethods),
            ];
        }

        return collect($formatted);
    }

    /**
     * Render the model information.
     *
     * @param  string  $class
     * @param  string  $database
     * @param  string  $table
     * @param  string  $policy
     * @param  \Illuminate\Support\Collection  $attributes
     * @param  \Illuminate\Support\Collection  $relations
     * @param  \Illuminate\Support\Collection  $observers
     * @return void
     */
    protected function display($class, $database, $table, $policy, $attributes, $relations, $observers)
    {
        $this->option('json')
            ? $this->displayJson($class, $database, $table, $policy, $attributes, $relations, $observers)
            : $this->displayCli($class, $database, $table, $policy, $attributes, $relations, $observers);
    }

    /**
     * Render the model information as JSON.
     *
     * @param  string  $class
     * @param  string  $database
     * @param  string  $table
     * @param  string  $policy
     * @param  \Illuminate\Support\Collection  $attributes
     * @param  \Illuminate\Support\Collection  $relations
     * @param  \Illuminate\Support\Collection  $observers
     * @return void
     */
    protected function displayJson($class, $database, $table, $policy, $attributes, $relations, $observers)
    {
        $this->output->writeln(
            collect([
                'class' => $class,
                'database' => $database,
                'table' => $table,
                'policy' => $policy,
                'attributes' => $attributes,
                'relations' => $relations,
                'observers' => $observers,
            ])->toJson()
        );
    }

    /**
     * Render the model information for the CLI.
     *
     * @param  string  $class
     * @param  string  $database
     * @param  string  $table
     * @param  string  $policy
     * @param  \Illuminate\Support\Collection  $attributes
     * @param  \Illuminate\Support\Collection  $relations
     * @param  \Illuminate\Support\Collection  $observers
     * @return void
     */
    protected function displayCli($class, $database, $table, $policy, $attributes, $relations, $observers)
    {
        $this->newLine();

        $this->components->twoColumnDetail('<fg=green;options=bold>'.$class.'</>');
        $this->components->twoColumnDetail('Database', $database);
        $this->components->twoColumnDetail('Table', $table);

        if ($policy) {
            $this->components->twoColumnDetail('Policy', $policy);
        }

        $this->newLine();

        $this->components->twoColumnDetail(
            '<fg=green;options=bold>Attributes</>',
            'type <fg=gray>/</> <fg=yellow;options=bold>cast</>',
        );

        foreach ($attributes as $attribute) {
            $first = trim(sprintf(
                '%s %s',
                $attribute['name'],
                collect(['increments', 'unique', 'nullable', 'fillable', 'hidden', 'appended'])
                    ->filter(fn ($property) => $attribute[$property])
                    ->map(fn ($property) => sprintf('<fg=gray>%s</>', $property))
                    ->implode('<fg=gray>,</> ')
            ));

            $second = collect([
                $attribute['type'],
                $attribute['cast'] ? '<fg=yellow;options=bold>'.$attribute['cast'].'</>' : null,
            ])->filter()->implode(' <fg=gray>/</> ');

            $this->components->twoColumnDetail($first, $second);

            if ($attribute['default'] !== null) {
                $this->components->bulletList(
                    [sprintf('default: %s', $attribute['default'])],
                    OutputInterface::VERBOSITY_VERBOSE
                );
            }
        }

        $this->newLine();

        $this->components->twoColumnDetail('<fg=green;options=bold>Relations</>');

        foreach ($relations as $relation) {
            $this->components->twoColumnDetail(
                sprintf('%s <fg=gray>%s</>', $relation['name'], $relation['type']),
                $relation['related']
            );
        }

        $this->newLine();

        $this->components->twoColumnDetail('<fg=green;options=bold>Observers</>');

        if ($observers->count()) {
            foreach ($observers as $observer) {
                $this->components->twoColumnDetail(
                    sprintf('%s', $observer['event']),
                    implode(', ', $observer['observer'])
                );
            }
        }

        $this->newLine();
    }

    /**
     * Get the cast type for the given column.
     *
     * @param  string  $column
     * @param  \Illuminate\Database\Eloquent\Model  $model
     * @return string|null
     */
    protected function getCastType($column, $model)
    {
        if ($model->hasGetMutator($column) || $model->hasSetMutator($column)) {
            return 'accessor';
        }

        if ($model->hasAttributeMutator($column)) {
            return 'attribute';
        }

        return $this->getCastsWithDates($model)->get($column) ?? null;
    }

    /**
     * Get the model casts, including any date casts.
     *
     * @param  \Illuminate\Database\Eloquent\Model  $model
     * @return \Illuminate\Support\Collection
     */
    protected function getCastsWithDates($model)
    {
        return collect($model->getDates())
            ->filter()
            ->flip()
            ->map(fn () => 'datetime')
            ->merge($model->getCasts());
    }

    /**
     * Get the type of the given column.
     *
     * @param  \Doctrine\DBAL\Schema\Column  $column
     * @return string
     */
    protected function getColumnType($column)
    {
        $name = $column->getType()->getName();

        $unsigned = $column->getUnsigned() ? ' unsigned' : '';

        $details = match (get_class($column->getType())) {
            DecimalType::class => $column->getPrecision().','.$column->getScale(),
            default => $column->getLength(),
        };

        if ($details) {
            return sprintf('%s(%s)%s', $name, $details, $unsigned);
        }

        return sprintf('%s%s', $name, $unsigned);
    }

    /**
     * Get the default value for the given column.
     *
     * @param  \Doctrine\DBAL\Schema\Column  $column
     * @param  \Illuminate\Database\Eloquent\Model  $model
     * @return mixed|null
     */
    protected function getColumnDefault($column, $model)
    {
        $attributeDefault = $model->getAttributes()[$column->getName()] ?? null;

        return match (true) {
            $attributeDefault instanceof BackedEnum => $attributeDefault->value,
            $attributeDefault instanceof UnitEnum => $attributeDefault->name,
            default => $attributeDefault ?? $column->getDefault(),
        };
    }

    /**
     * Determine if the given attribute is hidden.
     *
     * @param  string  $attribute
     * @param  \Illuminate\Database\Eloquent\Model  $model
     * @return bool
     */
    protected function attributeIsHidden($attribute, $model)
    {
        if (count($model->getHidden()) > 0) {
            return in_array($attribute, $model->getHidden());
        }

        if (count($model->getVisible()) > 0) {
            return ! in_array($attribute, $model->getVisible());
        }

        return false;
    }

    /**
     * Determine if the given attribute is unique.
     *
     * @param  string  $column
     * @param  \Doctrine\DBAL\Schema\Index[]  $indexes
     * @return bool
     */
    protected function columnIsUnique($column, $indexes)
    {
        return collect($indexes)
            ->filter(fn (Index $index) => count($index->getColumns()) === 1 && $index->getColumns()[0] === $column)
            ->contains(fn (Index $index) => $index->isUnique());
    }

    /**
     * Qualify the given model class base name.
     *
     * @param  string  $model
     * @return string
     *
     * @see \Illuminate\Console\GeneratorCommand
     */
    protected function qualifyModel(string $model)
    {
        if (str_contains($model, '\\') && class_exists($model)) {
            return $model;
        }

        $model = ltrim($model, '\\/');

        $model = str_replace('/', '\\', $model);

        $rootNamespace = $this->laravel->getNamespace();

        if (Str::startsWith($model, $rootNamespace)) {
            return $model;
        }

        return is_dir(app_path('Models'))
            ? $rootNamespace.'Models\\'.$model
            : $rootNamespace.$model;
    }
}
Name	Size	Permission
Factories	---	0755
Migrations	---	0755
Seeds	---	0755
DatabaseInspectionCommand.php	7907 bytes	0644
DbCommand.php	6678 bytes	0644
DumpCommand.php	2804 bytes	0644
MonitorCommand.php	4002 bytes	0644
PruneCommand.php	5669 bytes	0644
ShowCommand.php	7010 bytes	0644
ShowModelCommand.php	17230 bytes	0644
TableCommand.php	8080 bytes	0644
WipeCommand.php	2771 bytes	0644
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File Content: ShowModelCommand.php

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File Content: `ShowModelCommand.php`
