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Add option to provide constraint information in column comment

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lukinovec 2025-05-20 13:58:33 +02:00
parent 588d1fcc0d
commit c80b28cf00
2 changed files with 173 additions and 2 deletions
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43
src/RLS/PolicyManagers/TableRLSManager.php
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@ -6,6 +6,7 @@ namespace Stancl\Tenancy\RLS\PolicyManagers;
use Illuminate\Database\DatabaseManager;
use Stancl\Tenancy\Database\Exceptions\RecursiveRelationshipException;
use Illuminate\Support\Str;
// todo@samuel logical + structural refactor. the tree generation could use some dynamic programming optimizations
class TableRLSManager implements RLSPolicyManager
@ -80,7 +81,7 @@ class TableRLSManager implements RLSPolicyManager
$table = str($table)->afterLast('.')->toString();
// For each table, we get a list of all foreign key columns
$foreignKeys = collect($builder->getForeignKeys($table))->map(function ($foreign) use ($table) {
$foreignKeys = collect($builder->getForeignKeys($table))->merge($this->getFakeForeignKeys($table))->map(function ($foreign) use ($table) {
return $this->formatForeignKey($foreign, $table);
});
@ -124,12 +125,50 @@ class TableRLSManager implements RLSPolicyManager
$paths[] = $currentPath;
} else {
// If not, recursively generate paths for the foreign table
foreach ($this->database->getSchemaBuilder()->getForeignKeys($foreign['foreignTable']) as $nextConstraint) {
foreach (array_merge($this->database->getSchemaBuilder()->getForeignKeys($foreign['foreignTable'], $this->getFakeForeignKeys($table))) as $nextConstraint) {
$this->generatePaths($table, $this->formatForeignKey($nextConstraint, $foreign['foreignTable']), $paths, $currentPath);
}
}
}
protected function getFakeForeignKeys(string $tableName): array
{
$columns = $this->database->getSchemaBuilder()->getColumns($tableName);
$fakeForeignKeys = array_filter($columns, function ($column) {
// Constraint comment should be "rls <foreign_table>.<foreign_column>"
if ($column['comment']) {
return Str::contains($column['comment'], 'rls ');
}
return false;
});
if ($tableName === 'non_constrained_posts') {
dump(array_map(function ($fakeForeignKey) {
// Constraint comment is "rls <foreign_table>.<foreign_column>"
$constraint = explode('.', Str::after($fakeForeignKey['comment'], 'rls '));
return [
'foreign_table' => $constraint[0],
'foreign_columns' => [$constraint[1]],
'columns' => [$fakeForeignKey['name']],
];
}, $fakeForeignKeys));
}
return array_map(function ($fakeForeignKey) {
// Constraint comment is "rls <foreign_table>.<foreign_column>"
$constraint = explode('.', Str::after($fakeForeignKey['comment'], 'rls '));
return [
'foreign_table' => $constraint[0],
'foreign_columns' => [$constraint[1]],
'columns' => [$fakeForeignKey['name']],
];
}, $fakeForeignKeys);
}
/** Get tree's non-nullable paths. */
protected function filterNonNullablePaths(array $tree): array
{