WTKit

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HTTP Codable Request/Swift extensions

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# WTKit
<a href="https://github.com/songwentong/WTKit/blob/master/Documentation/README_zhCN.md">中文请看这里</a>
WTKit is my swift accumulated experience,I think WTKit could help you to improve development efficiency.
## Features
- [x] Codable extensions(JSON Decode with type-Adaption)
- [x] cURL Command Output
- [x] Making Codable Requests
- [x] Simulation response data for test
- [x] Load Web Image
- [x] String to UIColor
- [x] Table Model
- [x] WTGradientView
- [x] Base Hud View(text/indicator)
- [x] Version track

## Codable extensions(JSON Decode/enode, model creater)
#### WTKit can create a swift model file from json
#### type-Adaption decode json,WTKit resove JSONDecoder type mismatch error,and convert is to the type you need,like Int can decode from String/Double/Int, or String can decode from String/Double/Int 
#### Endocable/Decodable extensions,Decodable can decode from JSON,Encodable can map to json string
```swift
    func json1() -> String {
        let json1 = """
    {
      "intValue": 3,
      "strValue": "3.8",
      "double": "3.5",
      "intList": [
        1,
        2
      ],
      "flag": true,
      "doubleList": [
        1.1,
        2.2
      ],
      "object": {
        "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
        "Accept-Encoding": "gzip, deflate, br",
        "Accept-Language": "zh-cn",
        "Host": "httpbin.org",
        "User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_3) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.5 Safari/605.1.15",
        "X-Amzn-Trace-Id": "Root=1-5e716637-2f2252cc4747e55326ef4a08"
      },
      "objectList": [
        {
          "id": 145,
          "title": "喜欢你",
          "num": "4",
          "pic": "https://img3.tuwandata.com/uploads/play/9766281560847422.png"
        },
        {
          "id": 148,
          "title": "么么哒",
          "num": "3",
          "pic": "https://img3.tuwandata.com/uploads/play/6851431563789324.png"
        }
      ]
    }
    """
        return json1
    }
    
    
    ///Codable模型创建
    ///给出一个class/struct名和json字符串，创建一个对应名字的class/struct
    ///并写入Document目录
    ///model处理了类型异常并转化，
    ///Int类型如果收到了String会自动转化类型，反之亦然
    ///对象类型和其他复杂类型也做了异常处理，不再抛出异常
    func testModelCreate() {
        let maker = WTModelMaker.default
//        maker.needOptionalMark = false
//        maker.useStruct = true
        let className = "TestModel"
        let classCode = maker.createModelWith(className: className, jsonString: json1())
        print(NSHomeDirectory())
//        print(classCode)
        let path = NSHomeDirectory() + "/Documents/" + className + ".swift"
        print(path)
        do {
            try classCode.write(toFile: path, atomically: true, encoding: .utf8)
#if os(macOS)
            let url = path.urlValue
            NSWorkspace.shared.activateFileViewerSelecting([url])
            NSWorkspace.shared.selectFile(path, inFileViewerRootedAtPath: "/")
#else
#endif
        } catch {
            
        }
    }
    
     /**
     test model Decode 测试数据解码
     contains type error/key not found  包含了类型异常，字段异常
     Int/Double/String     type error handle and transfer to type 异常处理
     others decode no error throws
     */
    func testDecode() {
        guard let obj2 = TestModel.decodeIfPresent(with: json1().utf8Data) else{
            return
        }
        print(obj2.jsonString)
    }
```

## Making Codable Requests
WTKit provides a variety of convenience methods for making HTTP requests.

```swift
public extension URLSession{
    ///this method can make a urlrequest and convert result to Codable instance
    func dataTaskWith<T:Codable>( request:URLRequest, testData:Data? = nil, codable object:@escaping (T)->Void,completionHandler: @escaping (Data?, URLResponse?, Error?) -> Void) -> URLSessionDataTask{}
}
public class HttpBin:NSObject, Codable {
    var url:String = ""
    var origin:String = ""
    enum CodingKeys: String, CodingKey {
        case url = "url"
        case origin = "origin"
    }
}
let request = "https://httpbin.org/get".urlRequest
let task = WT.dataTaskWith(request:request,
 codable: { (model:HttpBin) in
//model is parsed  Codable instance
    print("\(model)")
        }) { (data, res, err) in

}
task.resume()
```

## Simulation response data

this feature is only effect on DEBUG
```swift
//Simulation data
let simData =
"""
{
  "args": {},
  "headers": {
    "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
    "Accept-Encoding": "gzip, deflate, br",
    "Accept-Language": "zh-cn",
    "Host": "httpbin.org",
    "User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_3) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.5 Safari/605.1.15",
    "X-Amzn-Trace-Id": "Root=1-5e716637-2f2252cc4747e55326ef4a08"
  },
  "origin": "123.112.227.96",
  "url": "https://httpbin.org/get"
}
"""

let req = "https://httpbin.org".urlRequest
//if in DEBUG Mode,and testData != nil
//the simulatedData will take effect

WT.dataTaskWith(request: req, testData: simData,
  codable: { (obj:HttpBin) in
//in debug mode ,obj will parse from testData if not nil
  }) { (data, res, err) in

}

```

## cURL Command Output

Debug tool
```swift
let request = "https://httpbin.org/get".urlRequest
print(request.printer)
```
or you can print it in lldb:

```swift
(lldb) po request.printer
```

This should produce:

```swift
$ curl -v \
-X GET \
-H "Accept-Language: en;q=1.0" \
-H "Accept-Encoding: br;q=1.0, gzip;q=0.9, deflate;q=0.8" \
-H "User-Agent: Demo/1.0 (com.demo.Demo; build:1; iOS 13.0.0) WTKit/1.0" \
"https://httpbin.org/get"
```
![](https://github.com/songwentong/WTKit/blob/master/images/printer.png)

## WTModelMaker

WTModelMaker can create Codable model class/struct File from JSON Data
https://github.com/songwentong/ModelMaker
additional Xcode App on Mac,using it to create Codable file Convenience,just copy your json ,edit class name,and press 'Write file',your file will create easily.
and it will over write description and debugDescription automatic. this feature is very useful,swift default won't print properties for you(just like Model:<0x00000f1231>),if you print obj it will show you,if you want to see property values,just print it at lldb or print it.
model using CodkingKeys by default,you can rename map easily.
![](https://github.com/songwentong/WTKit/blob/master/images/modelMaker.png)

### without description/debugDescription
![](https://github.com/songwentong/WTKit/blob/master/images/noDesc.png)
### with description/debugDescription
![](https://github.com/songwentong/WTKit/blob/master/images/desc.png)
```swift
print(obj)
//or
(lldb) po obj
/**
//output will be
args:debugDescription of args_class:
url:https://httpbin.org/get
headers:debugDescription of headers_class:
Accept:text/html,application/xhtml+xml,application/xml;q=0.9;q=0.8
Host:httpbin.org
User-Agent:Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_3) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.5 Safari/605.1.15
Accept-Language:zh-cn
Accept-Encoding:gzip, deflate, br
X-Amzn-Trace-Id:Root=1-5e6b977f-43ebdc40121912f0bb6dc3d0
origin:123.120.230.73
*/
```

## Encodable extension

create json data from encodable objec

```swift
let obj:Encodable
print(obj.jsonString)
//or
(lldb) po obj.lldbPrint()
//output will be json like this
{
  "args": {},
  "origin": "123.120.230.73",
  "url": "https://httpbin.org/get"
}

```

## String hex color

```swift
"f".hexColor //white UIColor,it same as "ffffff"
"#3".hexColor //same as 333333
"ff0000".hexColor//red UIColor
"ff0000".hexCGColor//red CGColor
```
more:

![](https://github.com/songwentong/WTKit/blob/master/images/color369.png)

## WTGradientView

An UIView hold CAGradientView edit it's property will take effect on it's layer.

```swift
let gview = WTGradientView()
gview.colors = ["f".hexCGColor, "990000".hexCGColor]
gview.locations = [0, 1]
gview.startPoint = CGPoint(x: 0, y: 0.5)
gview.endPoint = CGPoint(x: 1, y: 0.5)
//it will effect on it's CAGradientView automatic
```

## UIView extension

```swift
//Cell reuse id,like it's class name
let reuseID:String = Cell.reuseIdentifier
print("\(reuseID)")
//Cell

//auto load it's nib file(if class name equal to xib file)
let nib:UINib = Cell.nib()

//you can use this nib and reuseId to regist/dequeue use the cell
```

## HUD View
```swift
///normal tip
view.showTextTip(text:"tip")
///debug tip,show only in debug mode
view.debugTip(text:"tip")
```
effect:
![](https://github.com/songwentong/WTKit/blob/master/images/tipText.png)

## Version Track
feature to log build history

```swift
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
  application.track()//track twice no effect
  application.versionHistory()//version history
  application.buildHistory()//build history
  application.isFirstLaunchForBuild//check is first build
}

```

## WT Table Model
The abstract strategy for object-oriented development is used here, which is also the embodiment of the Model part in the MVC pattern.using Protocol oriented programming to describe UITableView as a Model,this will be more flexible,no class tree's constraint.
```swift
//cell model
public protocol UITableViewCellModel{
    var reuseIdentifier: String{get set}
    var object: Any?{get set}
    var userInfo: [AnyHashable : Any]?{get set}
}
//section model
public protocol UITableViewSectionModel {
    var cells:[UITableViewCellModel]{get set}
}
//table model
public protocol UITableViewModel {
    var sections:[UITableViewSectionModel]{get set}
}
```
more
```swift
//you can use this protocol to describe some Cells more info
public protocol UITableViewCellDetailModel:UITableViewCellModel {
    var height:CGFloat{get set}
    var didSelectAction:DispatchWorkItem?{get set}
    var willDisplayAction:DispatchWorkItem?{get set}
    var prefetchAction:DispatchWorkItem?{get set}
    var cancelPrefetchingAction:DispatchWorkItem?{get set}
}
```
#### send data.
#### these methods is suitable for all case using WTTableModel.
```swift
public protocol UITableViewCellModelHolder {
    var model:UITableViewCellModel?{get set}
}
public extension UITableView{
    func dequeueReusableCellModel(withModel model:UITableViewCellModel, for indexPath: IndexPath) -> UITableViewCell {
        let cell = dequeueReusableCell(withIdentifier: model.reuseIdentifier, for: indexPath)
        if var c = cell as? UITableViewCellModelHolder{
            c.model = model
        }
        return cell
    }
}
```
## UIView + Xib
create UIView(or subclass) from nib,when you may want to reuse UIView in xib file, you can use it, I suggest you use UITableViewCell instead of UIVIew,because it has a contentVie w, no file's owner issue.
```swift
let myView:MyView = MyView.instanceFromXib()
//create MyView instance from xib file
//usually use it as UITableViewCell sub class to avoid file owner issue
```

## UIViewController + IB
create UIViewController instance from storyboard/nib
```swift
let vc:CustromVC = CustromVC.instanceFromStoryBoard()
//this func is create instance from you Storyboard's root VC

let vc2:CustromVC = CustromVC.instanceFromNib()
//create instance from nib file
```
## Local Manager

edit customBundle of Bundle can change local language easily
```swift
//using english
Bundle.customBundle = enUS
print("language".customLocalizedString)
//output will be
//language
print("english".customLocalizedString)
//english
Bundle.customBundle = zhCN
print("language".customLocalizedString)
//output will be
//语言
print("english".customLocalizedString)
//英语
```

## Installation
### swift package manager
From Xcode 11, you can use Swift Package Manager to add WTKit to your project.
 - Select File > Swift Packages > Add Package Dependency. Enter https://github.com/songwentong/WTKit.git in the "Choose Package Repository" dialog.
 - In the next page, specify the  rule as master branch
 - After Xcode checking out the source and resolving the version, you can choose the "WTKit" library and add it to your app target.
```swift
https://github.com/songwentong/WTKit.git
```
or
```
.package(url: "https://github.com/songwentong/WTKit.git", branch: "master"),
```
![](https://github.com/songwentong/WTKit/blob/master/images/swiftPackage.png)

WTKit

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