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Programming language: Swift
Tags: Networking    
Latest version: v2.1.3

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README

Thunder Request

Build Status Swift 5.1 [Apache 2](LICENSE.md)

Thunder Request is a Framework used to simplify making http and https web requests.

Installation

Setting up your app to use Thunder Request is a simple and quick process.

  • Drag the project file into your project
  • Add ThunderRequest.framework to your Embedded Binaries.
  • Wherever you want to use ThunderRequest use import ThunderRequest.

Authentication Support

Support for authentication protocols such as OAuth2 is available via the Authenticator protocol which when set on RequestController will have it's delegate methods called to refresh the user's token when it either expires or a 403 is sent by the server.

When authenticator is set on RequestController any current credentials will be pulled from the user's keychain by the service identifier provided by authIdentifier on the protocol object.

To register a credential for the first time to the user's keychain, use the method set(sharedRequestCredentials:savingToKeychain:) after having set the delegate. This will store the credential to the keychain for later use by the request controller and also set the sharedRequestCredential property on the request controller.

If the request controller detects that the RequestCredential object is expired, or receives a 403 on a request it will call the method reAuthenticate(credential:completion:) to re-authenticate the user before then continuing to make the request (Or re-making) the request.

Examples

All of the examples shown below are shown with all optional parameters excluded, for example the request, download and upload functions have multiple parameters (For things such as header overrides and base url overrides) as outlined in the generated docs.

Initialization

guard let baseURL = URL(string: "https://httpbin.org/") else {
    fatalError("Unexpectedly failed to create URL")
}
let requestController = RequestController(baseURL: baseURL)

GET request

requestController.request("get", method: .GET) { (response, error) in
    // Do something with response
}

POST request

let body = [
    "name": "Thunder Request",
    "isAwesome": true
]
requestController.request("post", method: .POST, body: JSONRequestBody(body)) { (response, error) in
    // Do something with response
}

Request bodies

The body sent to the request function must conform to the RequestBody protocol. There are multiple extensions and structs built into the project that conform to this protocol for ease of use.

JSONRequestBody

Formats the request as JSON, and sets the request's Content-Type header to application/json.

let bodyJSON = [
    "name": "Thunder Request",
    "isAwesome": true
]
let body = JSONRequestBody(bodyJSON)

PropertyListRequestBody

Similar to JSONRequestBody but uses the "text/x-xml-plist" or "application/x-plist" Content-Type.

let bodyPlist = [
    "name": "Thunder Request",
    "isAwesome": true
]
let body = PropertyListRequestBody(bodyPlist, format: .xml)

MultipartFormRequestBody

Formats a dictionary of objects conforming to MultipartFormElement to the data required for the multipart/form-data; boundary= Content-Type.

let multipartElements = [
    "name": "Thunder Request",
    "avatar": MultipartFormFile(
        image: image, 
        format: .png, 
        fileName: "image.png", 
        name: "image"
    )!
]
let body = MultipartFormRequestBody(
    parts: multipartElements, 
    boundary: "----SomeBoundary"
)

FormURLEncodedRequestBody

Similar to JSONRequestBody except uses the "application/x-www-form-urlencoded" Content-Type and formats the payload to be correct for this type of request.

let bodyJSON = [
    "name": "Thunder Request",
    "isAwesome": true
]
let body = FormURLEncodedRequestBody(bodyJSON)

ImageRequestBody

Converts a UIImage to a request payload data and Content-Type based on the provided format.

let imageBody = ImageRequestBody(image: image, format: .png)

EncodableRequestBody

Converts an object which conforms to the Encodable (Or Codable) protocol to either JSON or Plist based on the format provided upon initialisation (Defaults to JSON).

let someEncodableObject: CodableStruct = CodableStruct(
    name: "Thunder Request", 
    isAwesome: true
)
let body = EncodableRequestBody(someEncodableObject)

Request Response

The request response callback sends both an Error? object and a RequestResponse? object. RequestResponse has helper methods for converting the response to various Swift types:

Decodable

If your object conforms to the Decodable (Or Codable) is can be decoded directly for you:

let codableArray: [CodableStruct]? = response.decoded()
let codableObject: CodableStruct? = response.decoded()

Dictionary

let dictionaryResponse = response.dictionary

Array

let arrayResponse = response.array

String

let stringResponse = response.string
let utf16Response = response.string(encoding: .utf16)

The RequestResponse object also includes the HTTP status as an enum, the raw Data from the request response, the original response (For when a request was re-directed), and the request headers (headers)

Downloading

Downloading from a url is as simple as making any a request using any other HTTP method

let requestBaseURL = URL(string: "https://via.placeholder.com/")!        
let requestController = RequestController(baseURL: requestBaseURL)
requestController.download("500", progress: nil) { (response, url, error) in
    // Do something with the filePath that the file was downloaded to
}

Uploading

Uploading is just as simple, and can be done using any of the RequestBody types listed above, as well as via a raw Data instance or from a file URL

requestController.uploadFile(fileURL, to: "post", progress: { (progress, totalBytes, uploadedBytes) in
    // Do something with progress
}) { (response, _, error) in
    // Do something with response/error
} 

Code level documentation

Documentation is available for the entire library in AppleDoc format. This is available in the framework itself or in the Hosted Version

License

See [LICENSE.md](LICENSE.md)


*Note that all licence references and agreements mentioned in the ThunderRequest README section above are relevant to that project's source code only.