koel/app/Values/SmartPlaylistSqlElements.php
2023-08-20 17:11:51 +02:00

86 lines
3.2 KiB
PHP

<?php
namespace App\DTO;
use App\DTO\SmartPlaylistRule as Rule;
use Carbon\Carbon;
use Closure;
use Webmozart\Assert\Assert;
final class SmartPlaylistSqlElements
{
private const DATE_MODELS = [
Rule::MODEL_LAST_PLAYED,
Rule::MODEL_DATE_ADDED,
Rule::MODEL_DATE_MODIFIED,
];
private const MODEL_COLUMN_REMAP = [
Rule::MODEL_ALBUM_NAME => 'albums.name',
Rule::MODEL_ARTIST_NAME => 'artists.name',
Rule::MODEL_DATE_ADDED => 'songs.created_at',
Rule::MODEL_DATE_MODIFIED => 'songs.updated_at',
];
private const CLAUSE_WHERE = 'where';
private const CLAUSE_WHERE_BETWEEN = 'whereBetween';
private const CLAUSE_WHERE_NOT_BETWEEN = 'whereNotBetween';
public string $clause;
public array $parameters;
private function __construct(string $clause, ...$parameters)
{
$this->clause = $clause;
$this->parameters = $parameters;
}
public static function fromRule(Rule $rule): self
{
$operator = $rule->operator;
$value = $rule->value;
// If the rule is a date rule and the operator is "is" or "is not", we need to
// convert the date to a range of dates and use the "between" or "not between" operator instead,
// as we store dates as timestamps in the database.
if (
in_array($rule->model, self::DATE_MODELS, true) &&
in_array($operator, [Rule::OPERATOR_IS, Rule::OPERATOR_IS_NOT], true)
) {
$operator = $operator === Rule::OPERATOR_IS ? Rule::OPERATOR_IS_BETWEEN : Rule::OPERATOR_IS_NOT_BETWEEN;
$nextDay = Carbon::createFromFormat('Y-m-d', $value[0])->addDay()->format('Y-m-d');
$value = [$value[0], $nextDay];
}
$column = array_key_exists($rule->model, self::MODEL_COLUMN_REMAP)
? self::MODEL_COLUMN_REMAP[$rule->model]
: $rule->model;
$resolvers = [
Rule::OPERATOR_BEGINS_WITH => [$column, 'LIKE', "$value[0]%"],
Rule::OPERATOR_ENDS_WITH => [$column, 'LIKE', "%$value[0]"],
Rule::OPERATOR_IS => [$column, '=', $value[0]],
Rule::OPERATOR_IS_NOT => [$column, '<>', $value[0]],
Rule::OPERATOR_CONTAINS => [$column, 'LIKE', "%$value[0]%"],
Rule::OPERATOR_NOT_CONTAIN => [$column, 'NOT LIKE', "%$value[0]%"],
Rule::OPERATOR_IS_LESS_THAN => [$column, '<', $value[0]],
Rule::OPERATOR_IS_GREATER_THAN => [$column, '>', $value[0]],
Rule::OPERATOR_IS_BETWEEN => [$column, $value],
Rule::OPERATOR_IS_NOT_BETWEEN => [$column, $value],
Rule::OPERATOR_NOT_IN_LAST => static fn () => [$column, '<', now()->subDays($value[0])],
Rule::OPERATOR_IN_LAST => static fn () => [$column, '>=', now()->subDays($value[0])],
];
Assert::keyExists($resolvers, $operator);
$clause = match ($operator) {
Rule::OPERATOR_IS_BETWEEN => self::CLAUSE_WHERE_BETWEEN,
Rule::OPERATOR_IS_NOT_BETWEEN => self::CLAUSE_WHERE_NOT_BETWEEN,
default => self::CLAUSE_WHERE,
};
$parameters = $resolvers[$operator] instanceof Closure ? $resolvers[$operator]() : $resolvers[$operator];
return new self($clause, ...$parameters);
}
}