/
RoutesBuilder+Method.swift
172 lines (158 loc) · 5.27 KB
/
RoutesBuilder+Method.swift
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/// Determines how an incoming HTTP request's body is collected.
public enum HTTPBodyStreamStrategy {
/// The HTTP request's body will be collected into memory up to a maximum size
/// before the route handler is called. The application's configured default max body
/// size will be used unless otherwise specified.
///
/// See `collect(maxSize:)` to specify a custom max collection size.
public static var collect: HTTPBodyStreamStrategy {
return .collect(maxSize: nil)
}
/// The HTTP request's body will not be collected first before the route handler is called
/// and will arrive in zero or more chunks.
case stream
/// The HTTP request's body will be collected into memory before the route handler is
/// called.
///
/// `maxSize` Limits the maximum amount of memory in bytes that will be used to
/// collect a streaming body. Streaming requests exceeding that size will result in an error.
/// Passing `nil` results in the application's default max body size being used. This
/// parameter does not affect non-streaming requests.
case collect(maxSize: ByteCount?)
}
extension RoutesBuilder {
@discardableResult
public func get<Response>(
_ path: PathComponent...,
use closure: @escaping (Request) throws -> Response
) -> Route
where Response: ResponseEncodable
{
return self.on(.GET, path, use: closure)
}
@discardableResult
public func get<Response>(
_ path: [PathComponent],
use closure: @escaping (Request) throws -> Response
) -> Route
where Response: ResponseEncodable
{
return self.on(.GET, path, use: closure)
}
@discardableResult
public func post<Response>(
_ path: PathComponent...,
use closure: @escaping (Request) throws -> Response
) -> Route
where Response: ResponseEncodable
{
return self.on(.POST, path, use: closure)
}
@discardableResult
public func post<Response>(
_ path: [PathComponent],
use closure: @escaping (Request) throws -> Response
) -> Route
where Response: ResponseEncodable
{
return self.on(.POST, path, use: closure)
}
@discardableResult
public func patch<Response>(
_ path: PathComponent...,
use closure: @escaping (Request) throws -> Response
) -> Route
where Response: ResponseEncodable
{
return self.on(.PATCH, path, use: closure)
}
@discardableResult
public func patch<Response>(
_ path: [PathComponent],
use closure: @escaping (Request) throws -> Response
) -> Route
where Response: ResponseEncodable
{
return self.on(.PATCH, path, use: closure)
}
@discardableResult
public func put<Response>(
_ path: PathComponent...,
use closure: @escaping (Request) throws -> Response
) -> Route
where Response: ResponseEncodable
{
return self.on(.PUT, path, use: closure)
}
@discardableResult
public func put<Response>(
_ path: [PathComponent],
use closure: @escaping (Request) throws -> Response
) -> Route
where Response: ResponseEncodable
{
return self.on(.PUT, path, use: closure)
}
@discardableResult
public func delete<Response>(
_ path: PathComponent...,
use closure: @escaping (Request) throws -> Response
) -> Route
where Response: ResponseEncodable
{
return self.on(.DELETE, path, use: closure)
}
@discardableResult
public func delete<Response>(
_ path: [PathComponent],
use closure: @escaping (Request) throws -> Response
) -> Route
where Response: ResponseEncodable
{
return self.on(.DELETE, path, use: closure)
}
@discardableResult
public func on<Response>(
_ method: HTTPMethod,
_ path: PathComponent...,
body: HTTPBodyStreamStrategy = .collect,
use closure: @escaping (Request) throws -> Response
) -> Route
where Response: ResponseEncodable
{
return self.on(method, path, body: body, use: { request in
return try closure(request)
})
}
@discardableResult
public func on<Response>(
_ method: HTTPMethod,
_ path: [PathComponent],
body: HTTPBodyStreamStrategy = .collect,
use closure: @escaping (Request) throws -> Response
) -> Route
where Response: ResponseEncodable
{
let responder = BasicResponder { request in
if case .collect(let max) = body, request.body.data == nil {
return request.body.collect(
max: max?.value ?? request.application.routes.defaultMaxBodySize.value
).flatMapThrowing { _ in
try closure(request)
}.encodeResponse(for: request)
} else {
return try closure(request)
.encodeResponse(for: request)
}
}
let route = Route(
method: method,
path: path,
responder: responder,
requestType: Request.self,
responseType: Response.self
)
self.add(route)
return route
}
}