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Файл: vendor/laravel/framework/src/Illuminate/Database/Console/TableCommand.php
Строк: 382
<?php

namespace IlluminateDatabaseConsole;

use 
DoctrineDBALSchemaColumn;
use 
DoctrineDBALSchemaForeignKeyConstraint;
use 
DoctrineDBALSchemaIndex;
use 
DoctrineDBALSchemaTable;
use 
IlluminateDatabaseConnectionResolverInterface;
use 
IlluminateSupportStr;
use 
SymfonyComponentConsoleAttributeAsCommand;

#[AsCommand(name: 'db:table')]
class TableCommand extends DatabaseInspectionCommand
{
    
/**
     * The name and signature of the console command.
     *
     * @var string
     */
    
protected $signature 'db:table
                            {table? : The name of the table}
                            {--database= : The database connection}
                            {--json : Output the table information as JSON}'
;

    
/**
     * The console command description.
     *
     * @var string
     */
    
protected $description 'Display information about the given database table';

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

        
$connection $connections->connection($this->input->getOption('database'));

        
$schema $connection->getDoctrineSchemaManager();

        
$this->registerTypeMappings($schema->getDatabasePlatform());

        
$table $this->argument('table') ?: $this->components->choice(
            
'Which table would you like to inspect?',
            
collect($schema->listTables())->flatMap(fn (Table $table) => [$table->getName()])->toArray()
        );

        if (! 
$schema->tablesExist([$table])) {
            return 
$this->components->warn("Table [{$table}] doesn't exist.");
        }

        
$table $schema->listTableDetails($table);

        
$columns $this->columns($table);
        
$indexes $this->indexes($table);
        
$foreignKeys $this->foreignKeys($table);

        
$data = [
            
'table' => [
                
'name' => $table->getName(),
                
'columns' => $columns->count(),
                
'size' => $this->getTableSize($connection$table->getName()),
            ],
            
'columns' => $columns,
            
'indexes' => $indexes,
            
'foreign_keys' => $foreignKeys,
        ];

        
$this->display($data);

        return 
0;
    }

    
/**
     * Get the information regarding the table's columns.
     *
     * @param  DoctrineDBALSchemaTable  $table
     * @return IlluminateSupportCollection
     */
    
protected function columns(Table $table)
    {
        return 
collect($table->getColumns())->map(fn (Column $column) => [
            
'column' => $column->getName(),
            
'attributes' => $this->getAttributesForColumn($column),
            
'default' => $column->getDefault(),
            
'type' => $column->getType()->getName(),
        ]);
    }

    
/**
     * Get the attributes for a table column.
     *
     * @param  DoctrineDBALSchemaColumn  $column
     * @return IlluminateSupportCollection
     */
    
protected function getAttributesForColumn(Column $column)
    {
        return 
collect([
            
$column->getAutoincrement() ? 'autoincrement' null,
            
'type' => $column->getType()->getName(),
            
$column->getUnsigned() ? 'unsigned' null,
            ! 
$column->getNotNull() ? 'nullable' null,
        ])->
filter();
    }

    
/**
     * Get the information regarding the table's indexes.
     *
     * @param  DoctrineDBALSchemaTable  $table
     * @return IlluminateSupportCollection
     */
    
protected function indexes(Table $table)
    {
        return 
collect($table->getIndexes())->map(fn (Index $index) => [
            
'name' => $index->getName(),
            
'columns' => collect($index->getColumns()),
            
'attributes' => $this->getAttributesForIndex($index),
        ]);
    }

    
/**
     * Get the attributes for a table index.
     *
     * @param  DoctrineDBALSchemaIndex  $index
     * @return IlluminateSupportCollection
     */
    
protected function getAttributesForIndex(Index $index)
    {
        return 
collect([
            
'compound' => count($index->getColumns()) > 1,
            
'unique' => $index->isUnique(),
            
'primary' => $index->isPrimary(),
        ])->
filter()->keys()->map(fn ($attribute) => Str::lower($attribute));
    }

    
/**
     * Get the information regarding the table's foreign keys.
     *
     * @param  DoctrineDBALSchemaTable  $table
     * @return IlluminateSupportCollection
     */
    
protected function foreignKeys(Table $table)
    {
        return 
collect($table->getForeignKeys())->map(fn (ForeignKeyConstraint $foreignKey) => [
            
'name' => $foreignKey->getName(),
            
'local_table' => $table->getName(),
            
'local_columns' => collect($foreignKey->getLocalColumns()),
            
'foreign_table' => $foreignKey->getForeignTableName(),
            
'foreign_columns' => collect($foreignKey->getForeignColumns()),
            
'on_update' => Str::lower(rescue(fn () => $foreignKey->getOption('onUpdate'), 'N/A')),
            
'on_delete' => Str::lower(rescue(fn () => $foreignKey->getOption('onDelete'), 'N/A')),
        ]);
    }

    
/**
     * Render the table information.
     *
     * @param  array  $data
     * @return void
     */
    
protected function display(array $data)
    {
        
$this->option('json') ? $this->displayJson($data) : $this->displayForCli($data);
    }

    
/**
     * Render the table information as JSON.
     *
     * @param  array  $data
     * @return void
     */
    
protected function displayJson(array $data)
    {
        
$this->output->writeln(json_encode($data));
    }

    
/**
     * Render the table information formatted for the CLI.
     *
     * @param  array  $data
     * @return void
     */
    
protected function displayForCli(array $data)
    {
        [
$table$columns$indexes$foreignKeys] = [
            
$data['table'], $data['columns'], $data['indexes'], $data['foreign_keys'],
        ];

        
$this->newLine();

        
$this->components->twoColumnDetail('<fg=green;options=bold>'.$table['name'].'</>');
        
$this->components->twoColumnDetail('Columns'$table['columns']);

        if (
$size $table['size']) {
            
$this->components->twoColumnDetail('Size'number_format($size 1024 10242).'MiB');
        }

        
$this->newLine();

        if (
$columns->isNotEmpty()) {
            
$this->components->twoColumnDetail('<fg=green;options=bold>Column</>''Type');

            
$columns->each(function ($column) {
                
$this->components->twoColumnDetail(
                    
$column['column'].' <fg=gray>'.$column['attributes']->implode(', ').'</>',
                    (
$column['default'] ? '<fg=gray>'.$column['default'].'</> ' '').''.$column['type'].''
                
);
            });

            
$this->newLine();
        }

        if (
$indexes->isNotEmpty()) {
            
$this->components->twoColumnDetail('<fg=green;options=bold>Index</>');

            
$indexes->each(function ($index) {
                
$this->components->twoColumnDetail(
                    
$index['name'].' <fg=gray>'.$index['columns']->implode(', ').'</>',
                    
$index['attributes']->implode(', ')
                );
            });

            
$this->newLine();
        }

        if (
$foreignKeys->isNotEmpty()) {
            
$this->components->twoColumnDetail('<fg=green;options=bold>Foreign Key</>''On Update / On Delete');

            
$foreignKeys->each(function ($foreignKey) {
                
$this->components->twoColumnDetail(
                    
$foreignKey['name'].' <fg=gray;options=bold>'.$foreignKey['local_columns']->implode(', ').' references '.$foreignKey['foreign_columns']->implode(', ').' on '.$foreignKey['foreign_table'].'</>',
                    
$foreignKey['on_update'].' / '.$foreignKey['on_delete'],
                );
            });

            
$this->newLine();
        }
    }
}
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