diff options
Diffstat (limited to 'engine/Model.php')
| -rw-r--r-- | engine/Model.php | 240 |
1 files changed, 0 insertions, 240 deletions
diff --git a/engine/Model.php b/engine/Model.php deleted file mode 100644 index e80b09d..0000000 --- a/engine/Model.php +++ /dev/null @@ -1,240 +0,0 @@ -<?php - -enum Type { - case STRING; - case INTEGER; - case FLOAT; - case ARRAY; - case BOOLEAN; - case JSON; - case SERIALIZED; -} - -abstract class Model { - - const DB_TABLE = null; - const DB_KEY = 'id'; - - protected static array $SpecCache = []; - - public static function create_instance(...$args) { - $cl = get_called_class(); - return new $cl(...$args); - } - - public function __construct(array $raw) { - if (!isset(self::$SpecCache[static::class])) { - list($fields, $model_name_map, $db_name_map) = static::get_spec(); - self::$SpecCache[static::class] = [ - 'fields' => $fields, - 'model_name_map' => $model_name_map, - 'db_name_map' => $db_name_map - ]; - } - - foreach (self::$SpecCache[static::class]['fields'] as $field) - $this->{$field['model_name']} = self::cast_to_type($field['type'], $raw[$field['db_name']]); - - if (is_null(static::DB_TABLE)) - trigger_error('class '.get_class($this).' doesn\'t have DB_TABLE defined'); - } - - public function edit(array $fields) { - $db = getDb(); - - $model_upd = []; - $db_upd = []; - - foreach ($fields as $name => $value) { - $index = self::$SpecCache[static::class]['db_name_map'][$name] ?? null; - if (is_null($index)) { - logError(__METHOD__.': field `'.$name.'` not found in '.static::class); - continue; - } - - $field = self::$SpecCache[static::class]['fields'][$index]; - switch ($field['type']) { - case Type::ARRAY: - if (is_array($value)) { - $db_upd[$name] = implode(',', $value); - $model_upd[$field['model_name']] = $value; - } else { - logError(__METHOD__.': field `'.$name.'` is expected to be array. skipping.'); - } - break; - - case Type::INTEGER: - $value = (int)$value; - $db_upd[$name] = $value; - $model_upd[$field['model_name']] = $value; - break; - - case Type::FLOAT: - $value = (float)$value; - $db_upd[$name] = $value; - $model_upd[$field['model_name']] = $value; - break; - - case Type::BOOLEAN: - $db_upd[$name] = $value ? 1 : 0; - $model_upd[$field['model_name']] = $value; - break; - - case Type::JSON: - $db_upd[$name] = json_encode($value, JSON_UNESCAPED_UNICODE); - $model_upd[$field['model_name']] = $value; - break; - - case Type::SERIALIZED: - $db_upd[$name] = serialize($value); - $model_upd[$field['model_name']] = $value; - break; - - default: - $value = (string)$value; - $db_upd[$name] = $value; - $model_upd[$field['model_name']] = $value; - break; - } - } - - if (!empty($db_upd) && !$db->update(static::DB_TABLE, $db_upd, static::DB_KEY."=?", $this->get_id())) { - logError(__METHOD__.': failed to update database'); - return; - } - - if (!empty($model_upd)) { - foreach ($model_upd as $name => $value) - $this->{$name} = $value; - } - } - - public function get_id() { - return $this->{to_camel_case(static::DB_KEY)}; - } - - public function as_array(array $fields = [], array $custom_getters = []): array { - if (empty($fields)) - $fields = array_keys(static::$SpecCache[static::class]['db_name_map']); - - $array = []; - foreach ($fields as $field) { - if (isset($custom_getters[$field]) && is_callable($custom_getters[$field])) { - $array[$field] = $custom_getters[$field](); - } else { - $array[$field] = $this->{to_camel_case($field)}; - } - } - - return $array; - } - - protected static function cast_to_type(Type $type, $value) { - switch ($type) { - case Type::BOOLEAN: - return (bool)$value; - - case Type::INTEGER: - return (int)$value; - - case Type::FLOAT: - return (float)$value; - - case Type::ARRAY: - return array_filter(explode(',', $value)); - - case Type::JSON: - $val = json_decode($value, true); - if (!$val) - $val = null; - return $val; - - case Type::SERIALIZED: - $val = unserialize($value); - if ($val === false) - $val = null; - return $val; - - default: - return (string)$value; - } - } - - protected static function get_spec(): array { - $rc = new ReflectionClass(static::class); - $props = $rc->getProperties(ReflectionProperty::IS_PUBLIC); - - $list = []; - $index = 0; - - $model_name_map = []; - $db_name_map = []; - - foreach ($props as $prop) { - if ($prop->isStatic()) - continue; - - $name = $prop->getName(); - if (str_starts_with($name, '_')) - continue; - - $type = $prop->getType(); - $phpdoc = $prop->getDocComment(); - - $mytype = null; - if (!$prop->hasType() && !$phpdoc) - $mytype = Type::STRING; - else { - $typename = $type->getName(); - switch ($typename) { - case 'string': - $mytype = Type::STRING; - break; - case 'int': - $mytype = Type::INTEGER; - break; - case 'float': - $mytype = Type::FLOAT; - break; - case 'array': - $mytype = Type::ARRAY; - break; - case 'bool': - $mytype = Type::BOOLEAN; - break; - } - - if ($phpdoc != '') { - $pos = strpos($phpdoc, '@'); - if ($pos === false) - continue; - - if (substr($phpdoc, $pos+1, 4) == 'json') - $mytype = Type::JSON; - else if (substr($phpdoc, $pos+1, 5) == 'array') - $mytype = Type::ARRAY; - else if (substr($phpdoc, $pos+1, 10) == 'serialized') - $mytype = Type::SERIALIZED; - } - } - - if (is_null($mytype)) - logError(__METHOD__.": ".$name." is still null in ".static::class); - - $dbname = from_camel_case($name); - $list[] = [ - 'type' => $mytype, - 'model_name' => $name, - 'db_name' => $dbname - ]; - - $model_name_map[$name] = $index; - $db_name_map[$dbname] = $index; - - $index++; - } - - return [$list, $model_name_map, $db_name_map]; - } - -} |