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RandMyMod is an IOS Native Framework helps you generate one or a set of variable base on your own model.

No matter your model is Class / Struct.

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Installation

pod 'RandMyMod'

Basic Usage

import RandMyMod

Notice

  1. if the variable in class / stuct is Declared with 『 let 』 , rand mod will not change this variable's value.

    struct MyStruct {
    	let nochange: Int = 0
    }
    let mystruct = MyStruct()
    RandMyMod<MyStruct>().randMe(baseOn: mystruct) { (newstruct) in 
    	newstruct.nochange  // 0
    }
    
  2. if the variable in class / stuct is Declared with 『 Optional 』 and have no initial Value , rand mod will ignore this variable's value and keep it nil. (Mirror may resolve this issue, may fix in the future)

    struct MyStruct {
    	var opt: Int? = 0
    	var opt2: Int?
    }
    let mystruct = MyStruct()
    RandMyMod<MyStruct>().randMe(baseOn: mystruct) { (newstruct) in 
    	mystruct.opt  // 4242
    	mystruct.opt2 // nil
    }
    

Example

1. Stuct / Class with native variable type and no special specific:

	class Man: Codable {
    	var name: String = ""
    	var address: String = ""
    	var website: [String] = []
   	}
   	
   	let man = Man()
	RandMyMod<Man>().randMe(baseOn: man) { (newMan) in
    	guard let new = newMan else { return }
    	print(new.address) 	//mnxvpkalug
    	print(new.name) 	//iivjohpggb
    	print(new.website)	//["pbmsualvei", "vlqhlwpajf", "npgtxdmfyt"]
	}
	

2. Stuct / Class with native variable type and specific Rand Type:

struct Man: Codable {
    var name: String = ""
    var age: Int = 40
    var website: [String] = []
}

extension Man: RandMyModDelegate {
    
    func countForArray(for key: String) -> Int {
        switch key {
        case "website":
            return 3
        default:
            return 0
        }
    }
    
    func specificRandType(for key: String, in Container: String, with seed: RandType) -> (() -> Any)? {
        switch key {
        case "name":
            return { return seed.name.name() }
        case "age":
            return { return seed.number.randomInt(min: 1, max: 60)}
        case "website":
            return { return seed.internet.url() }
        default:
            return nil
        }   
    }
}

let man = Man()
RandMyMod<Man>().randMe(baseOn: man) { (newMan) in
    guard let new = newMan else { print("no"); return }
    print(new.age) 		//32
    print(new.name) 	//Lavada Krajcik
    print(new.website)	//["https://littleohara.name/johathangleason6379", "https://kautzerwunsch.biz/karleejones8880", "https://purdy.net/olivercorkery"]
}

3. Stuct / Class with own defined variable type and specific Rand Type:

struct Man: Codable {
    var name: String = ""
    var age: Int = 40
    var website: [String] = []
    var child: Child = Child()
}

struct Child: Codable {
    var name: String = "Baby" //Baby has no name yet.
    var age: Int = 2
    var toy: Toys = Toys()
}

class Toys: Codable {
    var weight: Double = 0.0
}

extension Man: RandMyModDelegate {
    
    func shouldIgnore(for key: String, in Container: String) -> Bool {
        switch (key, Container) {
        case ("name","child"):
            return true
        default:
            return false
        }
    }
  
    func specificRandType(for key: String, in Container: String, with seed: RandType) -> (() -> Any)? {
        switch (key, Container) {
        case ("age","child"):
            return { return seed.number.randomInt(min: 1, max: 6)}
        case ("weight",_):
            return { return seed.number.randomFloat() }
        default:
            return nil
        }
    }
}

let man = Man()
RandMyMod<Man>().randMe(baseOn: man) { (newMan) in
    guard let child = newMan?.child else { print("no"); return }
    print(child.name)	//Baby
    print(child.age)	//3
    print(child.toy.weight)	//392.807067871094
}


Distribution

Feel free to fork / pull request / open an issue.