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OpenApiRecordsBuilder.php
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<?php
namespace Tqdev\PhpCrudApi\OpenApi;
use Tqdev\PhpCrudApi\Column\ReflectionService;
use Tqdev\PhpCrudApi\Column\Reflection\ReflectedColumn;
use Tqdev\PhpCrudApi\Middleware\Communication\VariableStore;
use Tqdev\PhpCrudApi\OpenApi\OpenApiDefinition;
class OpenApiRecordsBuilder
{
private $openapi;
private $reflection;
private $operations = [
'list' => 'get',
'create' => 'post',
'read' => 'get',
'update' => 'put',
'delete' => 'delete',
'increment' => 'patch',
];
private $types = [
'integer' => ['type' => 'integer', 'format' => 'int32'],
'bigint' => ['type' => 'integer', 'format' => 'int64'],
'varchar' => ['type' => 'string'],
'clob' => ['type' => 'string', 'format' => 'large-string'], //custom format
'varbinary' => ['type' => 'string', 'format' => 'byte'],
'blob' => ['type' => 'string', 'format' => 'large-byte'], //custom format
'decimal' => ['type' => 'string', 'format' => 'decimal'], //custom format
'float' => ['type' => 'number', 'format' => 'float'],
'double' => ['type' => 'number', 'format' => 'double'],
'date' => ['type' => 'string', 'format' => 'date'],
'time' => ['type' => 'string', 'format' => 'time'], //custom format
'timestamp' => ['type' => 'string', 'format' => 'date-time'],
'geometry' => ['type' => 'string', 'format' => 'geometry'], //custom format
'boolean' => ['type' => 'boolean'],
];
private function normalize(string $value): string
{
return iconv('UTF-8', 'ASCII//TRANSLIT', $value);
}
public function __construct(OpenApiDefinition $openapi, ReflectionService $reflection)
{
$this->openapi = $openapi;
$this->reflection = $reflection;
}
private function getAllTableReferences(): array
{
$tableReferences = array();
foreach ($this->reflection->getTableNames() as $tableName) {
$table = $this->reflection->getTable($tableName);
foreach ($table->getColumnNames() as $columnName) {
$column = $table->getColumn($columnName);
$referencedTableName = $column->getFk();
if ($referencedTableName) {
if (!isset($tableReferences[$referencedTableName])) {
$tableReferences[$referencedTableName] = array();
}
$tableReferences[$referencedTableName][] = "$tableName.$columnName";
}
}
}
return $tableReferences;
}
public function build() /*: void*/
{
$tableNames = $this->reflection->getTableNames();
foreach ($tableNames as $tableName) {
$this->setPath($tableName);
}
$this->openapi->set("components|responses|pk_integer|description", "inserted primary key value (integer)");
$this->openapi->set("components|responses|pk_integer|content|application/json|schema|type", "integer");
$this->openapi->set("components|responses|pk_integer|content|application/json|schema|format", "int64");
$this->openapi->set("components|responses|pk_string|description", "inserted primary key value (string)");
$this->openapi->set("components|responses|pk_string|content|application/json|schema|type", "string");
$this->openapi->set("components|responses|pk_string|content|application/json|schema|format", "uuid");
$this->openapi->set("components|responses|rows_affected|description", "number of rows affected (integer)");
$this->openapi->set("components|responses|rows_affected|content|application/json|schema|type", "integer");
$this->openapi->set("components|responses|rows_affected|content|application/json|schema|format", "int64");
$tableReferences = $this->getAllTableReferences();
foreach ($tableNames as $tableName) {
$references = isset($tableReferences[$tableName]) ? $tableReferences[$tableName] : array();
$this->setComponentSchema($tableName, $references);
$this->setComponentResponse($tableName);
$this->setComponentRequestBody($tableName);
}
$this->setComponentParameters();
foreach ($tableNames as $tableName) {
$this->setTag($tableName);
}
}
private function isOperationOnTableAllowed(string $operation, string $tableName): bool
{
$tableHandler = VariableStore::get('authorization.tableHandler');
if (!$tableHandler) {
return true;
}
return (bool) call_user_func($tableHandler, $operation, $tableName);
}
private function isOperationOnColumnAllowed(string $operation, string $tableName, string $columnName): bool
{
$columnHandler = VariableStore::get('authorization.columnHandler');
if (!$columnHandler) {
return true;
}
return (bool) call_user_func($columnHandler, $operation, $tableName, $columnName);
}
private function setPath(string $tableName) /*: void*/
{
$normalizedTableName = $this->normalize($tableName);
$table = $this->reflection->getTable($tableName);
$type = $table->getType();
$pk = $table->getPk();
$pkName = $pk ? $pk->getName() : '';
foreach ($this->operations as $operation => $method) {
if (!$pkName && $operation != 'list') {
continue;
}
if ($type != 'table' && $operation != 'list') {
continue;
}
if (!$this->isOperationOnTableAllowed($operation, $tableName)) {
continue;
}
$parameters = [];
if (in_array($operation, ['list', 'create'])) {
$path = sprintf('/records/%s', $tableName);
if ($operation == 'list') {
$parameters = ['filter', 'filter1', 'filter2', 'filter3', 'include', 'exclude', 'order', 'size', 'page', 'join'];
}
} else {
$path = sprintf('/records/%s/{id}', $tableName);
if ($operation == 'read') {
$parameters = ['pk', 'include', 'exclude', 'join'];
} else {
$parameters = ['pk'];
}
}
foreach ($parameters as $parameter) {
$this->openapi->set("paths|$path|$method|parameters||\$ref", "#/components/parameters/$parameter");
}
if (in_array($operation, ['create', 'update', 'increment'])) {
$this->openapi->set("paths|$path|$method|requestBody|\$ref", "#/components/requestBodies/$operation-$normalizedTableName");
}
$this->openapi->set("paths|$path|$method|tags|", "$tableName");
$this->openapi->set("paths|$path|$method|operationId", "$operation" . "_" . "$normalizedTableName");
$this->openapi->set("paths|$path|$method|description", "$operation $tableName");
switch ($operation) {
case 'list':
$this->openapi->set("paths|$path|$method|responses|200|\$ref", "#/components/responses/$operation-$normalizedTableName");
break;
case 'create':
if ($pk->getType() == 'integer') {
$this->openapi->set("paths|$path|$method|responses|200|\$ref", "#/components/responses/pk_integer");
} else {
$this->openapi->set("paths|$path|$method|responses|200|\$ref", "#/components/responses/pk_string");
}
break;
case 'read':
$this->openapi->set("paths|$path|$method|responses|200|\$ref", "#/components/responses/$operation-$normalizedTableName");
break;
case 'update':
case 'delete':
case 'increment':
$this->openapi->set("paths|$path|$method|responses|200|\$ref", "#/components/responses/rows_affected");
break;
}
}
}
private function getPattern(ReflectedColumn $column): string
{
switch ($column->getType()) {
case 'integer':
$n = strlen(pow(2, 31));
return '^-?[0-9]{1,' . $n . '}$';
case 'bigint':
$n = strlen(pow(2, 63));
return '^-?[0-9]{1,' . $n . '}$';
case 'varchar':
$l = $column->getLength();
return '^.{0,' . $l . '}$';
case 'clob':
return '^.*$';
case 'varbinary':
$l = $column->getLength();
$b = (int) 4 * ceil($l / 3);
return '^[A-Za-z0-9+/]{0,' . $b . '}=*$';
case 'blob':
return '^[A-Za-z0-9+/]*=*$';
case 'decimal':
$p = $column->getPrecision();
$s = $column->getScale();
return '^-?[0-9]{1,' . ($p - $s) . '}(\.[0-9]{1,' . $s . '})?$';
case 'float':
return '^-?[0-9]+(\.[0-9]+)?([eE]-?[0-9]+)?$';
case 'double':
return '^-?[0-9]+(\.[0-9]+)?([eE]-?[0-9]+)?$';
case 'date':
return '^[0-9]{4}-[0-9]{2}-[0-9]{2}$';
case 'time':
return '^[0-9]{2}:[0-9]{2}:[0-9]{2}$';
case 'timestamp':
return '^[0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2}$';
return '';
case 'geometry':
return '^(POINT|LINESTRING|POLYGON|MULTIPOINT|MULTILINESTRING|MULTIPOLYGON)\s*\(.*$';
case 'boolean':
return '^(true|false)$';
}
return '';
}
private function setComponentSchema(string $tableName, array $references) /*: void*/
{
$normalizedTableName = $this->normalize($tableName);
$table = $this->reflection->getTable($tableName);
$type = $table->getType();
$pk = $table->getPk();
$pkName = $pk ? $pk->getName() : '';
foreach ($this->operations as $operation => $method) {
if (!$pkName && $operation != 'list') {
continue;
}
if ($type == 'view' && !in_array($operation, array('read', 'list'))) {
continue;
}
if ($type == 'view' && !$pkName && $operation == 'read') {
continue;
}
if ($operation == 'delete') {
continue;
}
if (!$this->isOperationOnTableAllowed($operation, $tableName)) {
continue;
}
if ($operation == 'list') {
$this->openapi->set("components|schemas|$operation-$normalizedTableName|type", "object");
$this->openapi->set("components|schemas|$operation-$normalizedTableName|properties|results|type", "integer");
$this->openapi->set("components|schemas|$operation-$normalizedTableName|properties|results|format", "int64");
$this->openapi->set("components|schemas|$operation-$normalizedTableName|properties|records|type", "array");
$prefix = "components|schemas|$operation-$normalizedTableName|properties|records|items";
} else {
$prefix = "components|schemas|$operation-$normalizedTableName";
}
$this->openapi->set("$prefix|type", "object");
foreach ($table->getColumnNames() as $columnName) {
if (!$this->isOperationOnColumnAllowed($operation, $tableName, $columnName)) {
continue;
}
$column = $table->getColumn($columnName);
$properties = $this->types[$column->getType()];
$properties['maxLength'] = $column->hasLength() ? $column->getLength() : 0;
$properties['nullable'] = $column->getNullable();
$properties['pattern'] = $this->getPattern($column);
foreach ($properties as $key => $value) {
if ($value) {
$this->openapi->set("$prefix|properties|$columnName|$key", $value);
}
}
if ($column->getPk()) {
$this->openapi->set("$prefix|properties|$columnName|x-primary-key", true);
$this->openapi->set("$prefix|properties|$columnName|x-referenced", $references);
}
$fk = $column->getFk();
if ($fk) {
$this->openapi->set("$prefix|properties|$columnName|x-references", $fk);
}
}
}
}
private function setComponentResponse(string $tableName) /*: void*/
{
$normalizedTableName = $this->normalize($tableName);
$table = $this->reflection->getTable($tableName);
$type = $table->getType();
$pk = $table->getPk();
$pkName = $pk ? $pk->getName() : '';
foreach (['list', 'read'] as $operation) {
if (!$pkName && $operation != 'list') {
continue;
}
if ($type != 'table' && $operation != 'list') {
continue;
}
if (!$this->isOperationOnTableAllowed($operation, $tableName)) {
continue;
}
if ($operation == 'list') {
$this->openapi->set("components|responses|$operation-$normalizedTableName|description", "list of $tableName records");
} else {
$this->openapi->set("components|responses|$operation-$normalizedTableName|description", "single $tableName record");
}
$this->openapi->set("components|responses|$operation-$normalizedTableName|content|application/json|schema|\$ref", "#/components/schemas/$operation-$normalizedTableName");
}
}
private function setComponentRequestBody(string $tableName) /*: void*/
{
$normalizedTableName = $this->normalize($tableName);
$table = $this->reflection->getTable($tableName);
$type = $table->getType();
$pk = $table->getPk();
$pkName = $pk ? $pk->getName() : '';
if ($pkName && $type == 'table') {
foreach (['create', 'update', 'increment'] as $operation) {
if (!$this->isOperationOnTableAllowed($operation, $tableName)) {
continue;
}
$this->openapi->set("components|requestBodies|$operation-$normalizedTableName|description", "single $tableName record");
$this->openapi->set("components|requestBodies|$operation-$normalizedTableName|content|application/json|schema|\$ref", "#/components/schemas/$operation-$normalizedTableName");
}
}
}
private function setComponentParameters() /*: void*/
{
$this->openapi->set("components|parameters|pk|name", "id");
$this->openapi->set("components|parameters|pk|in", "path");
$this->openapi->set("components|parameters|pk|schema|type", "string");
$this->openapi->set("components|parameters|pk|description", "primary key value");
$this->openapi->set("components|parameters|pk|required", true);
$this->openapi->set("components|parameters|filter|name", "filter");
$this->openapi->set("components|parameters|filter|in", "query");
$this->openapi->set("components|parameters|filter|schema|type", "array");
$this->openapi->set("components|parameters|filter|schema|items|type", "string");
$this->openapi->set("components|parameters|filter|description", "Filters to be applied. Each filter consists of a column, an operator and a value (comma separated). Example: id,eq,1");
$this->openapi->set("components|parameters|filter|required", false);
$this->openapi->set("components|parameters|filter1|name", "filter1");
$this->openapi->set("components|parameters|filter1|in", "query");
$this->openapi->set("components|parameters|filter1|schema|type", "array");
$this->openapi->set("components|parameters|filter1|schema|items|type", "string");
$this->openapi->set("components|parameters|filter1|description", "Filters to be applied. Each filter consists of a column, an operator and a value (comma separated). Example: id,eq,1");
$this->openapi->set("components|parameters|filter1|required", false);
$this->openapi->set("components|parameters|filter2|name", "filter2");
$this->openapi->set("components|parameters|filter2|in", "query");
$this->openapi->set("components|parameters|filter2|schema|type", "array");
$this->openapi->set("components|parameters|filter2|schema|items|type", "string");
$this->openapi->set("components|parameters|filter2|description", "Filters to be applied. Each filter consists of a column, an operator and a value (comma separated). Example: id,eq,1");
$this->openapi->set("components|parameters|filter2|required", false);
$this->openapi->set("components|parameters|filter3|name", "filter3");
$this->openapi->set("components|parameters|filter3|in", "query");
$this->openapi->set("components|parameters|filter3|schema|type", "array");
$this->openapi->set("components|parameters|filter3|schema|items|type", "string");
$this->openapi->set("components|parameters|filter3|description", "Filters to be applied. Each filter consists of a column, an operator and a value (comma separated). Example: id,eq,1");
$this->openapi->set("components|parameters|filter3|required", false);
$this->openapi->set("components|parameters|include|name", "include");
$this->openapi->set("components|parameters|include|in", "query");
$this->openapi->set("components|parameters|include|schema|type", "string");
$this->openapi->set("components|parameters|include|description", "Columns you want to include in the output (comma separated). Example: posts.*,categories.name");
$this->openapi->set("components|parameters|include|required", false);
$this->openapi->set("components|parameters|exclude|name", "exclude");
$this->openapi->set("components|parameters|exclude|in", "query");
$this->openapi->set("components|parameters|exclude|schema|type", "string");
$this->openapi->set("components|parameters|exclude|description", "Columns you want to exclude from the output (comma separated). Example: posts.content");
$this->openapi->set("components|parameters|exclude|required", false);
$this->openapi->set("components|parameters|order|name", "order");
$this->openapi->set("components|parameters|order|in", "query");
$this->openapi->set("components|parameters|order|schema|type", "array");
$this->openapi->set("components|parameters|order|schema|items|type", "string");
$this->openapi->set("components|parameters|order|description", "Column you want to sort on and the sort direction (comma separated). Example: id,desc");
$this->openapi->set("components|parameters|order|required", false);
$this->openapi->set("components|parameters|size|name", "size");
$this->openapi->set("components|parameters|size|in", "query");
$this->openapi->set("components|parameters|size|schema|type", "string");
$this->openapi->set("components|parameters|size|description", "Maximum number of results (for top lists). Example: 10");
$this->openapi->set("components|parameters|size|required", false);
$this->openapi->set("components|parameters|page|name", "page");
$this->openapi->set("components|parameters|page|in", "query");
$this->openapi->set("components|parameters|page|schema|type", "string");
$this->openapi->set("components|parameters|page|description", "Page number and page size (comma separated). Example: 1,10");
$this->openapi->set("components|parameters|page|required", false);
$this->openapi->set("components|parameters|join|name", "join");
$this->openapi->set("components|parameters|join|in", "query");
$this->openapi->set("components|parameters|join|schema|type", "array");
$this->openapi->set("components|parameters|join|schema|items|type", "string");
$this->openapi->set("components|parameters|join|description", "Paths (comma separated) to related entities that you want to include. Example: comments,users");
$this->openapi->set("components|parameters|join|required", false);
}
private function setTag(string $tableName) /*: void*/
{
$this->openapi->set("tags|", ['name' => $tableName, 'description' => "$tableName operations"]);
}
}