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Workshop Mission! #24

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Workshop Mission! #24

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982a4ec
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openmaya Nov 12, 2019
a91e79c
remove unused code
openmaya Nov 12, 2019
dd2d608
make if line to one line
openmaya Nov 12, 2019
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27 changes: 20 additions & 7 deletions Tutorial/Tutorial.playground/Contents.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -5,28 +5,41 @@ import Foundation
{
"key": "266",
"name": "Aatrox",
...
...
},
...
...
]
*/
let champsFilePath = Bundle.main.path(forResource: "champs", ofType: "json")

/*
[
1,
33,
...
1,
33,
...
]
*/
let selectedIndexesFilePath = Bundle.main.path(forResource: "selectedIndexes", ofType: "json")

let champsData = FileManager.default.contents(atPath: champsFilePath!)
let selectedIndexesData = FileManager.default.contents(atPath: selectedIndexesFilePath!)

let champs = try JSONSerialization.jsonObject(with: champsData!, options: [])

let selectedIndexes = try JSONSerialization.jsonObject(with: selectedIndexesData!, options: [])

// TODO: selectedIndexes는 챔피언 목록(champs)의 key 번호 들이다. selectedIndexes에 명시된 순서대로 챔피언들의 이름(name)을 나열하라
let names: [String] = []

var names: [String] = []

if let typedChamps = champs as? [[String: Any]], let indexes = selectedIndexes as? [Int] {
names.append(contentsOf:
typedChamps
.filter { champ in
return indexes.contains(Int(champ["key"] as! String)!)
}.map { champ in
return champ["name"] as! String
}
)
}

print(names)