From 75bc1b4e27b6f28336095bb4a220d56900577a2a Mon Sep 17 00:00:00 2001
From: Jino0910 <rowkaxl@naver.com>
Date: Tue, 12 Nov 2019 13:52:16 +0900
Subject: [PATCH 1/2] log champ

---
 Tutorial/Tutorial.playground/Contents.swift | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/Tutorial/Tutorial.playground/Contents.swift b/Tutorial/Tutorial.playground/Contents.swift
index 9b0d9f6..5d80ddc 100644
--- a/Tutorial/Tutorial.playground/Contents.swift
+++ b/Tutorial/Tutorial.playground/Contents.swift
@@ -28,5 +28,17 @@ 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 champsArray = champs as? Array<Any>, let selectedIndexesArray = selectedIndexes as? Array<Any> {
+
+    selectedIndexesArray.forEach { (index) in
+        if let index = index as? Int, champsArray.count >= index, let champ = champsArray[index] as? Dictionary<String, Any>, let name = champ["name"] as? String {
+            names.append(name)
+        }
+    }
+}
+
+
+
 print(names)

From d230829974e98a19e3a999b3a4aefb6ab50ef82c Mon Sep 17 00:00:00 2001
From: Jino0910 <rowkaxl@naver.com>
Date: Tue, 12 Nov 2019 14:31:02 +0900
Subject: [PATCH 2/2] =?UTF-8?q?=EA=B3=A0=EA=B3=84=ED=95=A8=EC=88=98?=
 =?UTF-8?q?=ED=99=9C=EC=9A=A9?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Tutorial/Tutorial.playground/Contents.swift  | 43 ++++++++++++++++----
 Tutorial/Tutorial2.playground/Contents.swift | 26 ++++++++++++
 2 files changed, 61 insertions(+), 8 deletions(-)

diff --git a/Tutorial/Tutorial.playground/Contents.swift b/Tutorial/Tutorial.playground/Contents.swift
index 5d80ddc..2c8a145 100644
--- a/Tutorial/Tutorial.playground/Contents.swift
+++ b/Tutorial/Tutorial.playground/Contents.swift
@@ -28,17 +28,44 @@ 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
-var names: [String] = []
+//var names: [String] = []
+//
+//if let champsArray = champs as? Array<Any>, let selectedIndexesArray = selectedIndexes as? Array<Any> {
+//
+//    selectedIndexesArray.forEach { (index) in
+//        if let index = index as? Int, champsArray.count >= index, let champ = champsArray[index] as? Dictionary<String, Any>, let name = champ["name"] as? String {
+//            names.append(name)
+//        }
+//    }
+//}
+//print(names)
 
-if let champsArray = champs as? Array<Any>, let selectedIndexesArray = selectedIndexes as? Array<Any> {
 
-    selectedIndexesArray.forEach { (index) in
-        if let index = index as? Int, champsArray.count >= index, let champ = champsArray[index] as? Dictionary<String, Any>, let name = champ["name"] as? String {
-            names.append(name)
+var names2: [String] = []
+
+if let champsArray = champs as? Array<Dictionary<String, Any>>, let selectedIndexesArray = selectedIndexes as? Array<Any> {
+    
+    print(
+        selectedIndexesArray.compactMap { (index) -> String? in
+            guard let index = index as? Int else { return nil }
+            guard champsArray.count > index else { return nil }
+            return String(index)
+            }
+            .compactMap ({ (key) -> Dictionary<String, Any>? in
+                return champsArray.first(where: { (champ) -> Bool in
+                    guard let champKey = champ["key"] as? String else { return false }
+                    return champKey == key
+                })
+            }).compactMap { (obj) -> String? in
+                
+                return obj["name"] as? String
         }
-    }
+    
+    )
+    
+    
+    
 }
+//print(names2)
 
 
-
-print(names)
diff --git a/Tutorial/Tutorial2.playground/Contents.swift b/Tutorial/Tutorial2.playground/Contents.swift
index 9b0d9f6..04edc17 100644
--- a/Tutorial/Tutorial2.playground/Contents.swift
+++ b/Tutorial/Tutorial2.playground/Contents.swift
@@ -30,3 +30,29 @@ let selectedIndexes = try JSONSerialization.jsonObject(with: selectedIndexesData
 // TODO: selectedIndexes는 챔피언 목록(champs)의 key 번호 들이다. selectedIndexes에 명시된 순서대로 챔피언들의 이름(name)을 나열하라
 let names: [String] = []
 print(names)
+
+if let champsArray = champs as? Array<Dictionary<String, Any>>, let selectedIndexesArray = selectedIndexes as? Array<Any> {
+    
+    print(
+        selectedIndexesArray.compactMap { (index) -> String? in
+            guard let index = index as? Int else { return nil }
+            guard champsArray.count > index else { return nil }
+            
+            return String(index)
+            }
+            //        .flatMap{$0}
+            .compactMap ({ (key) -> Dictionary<String, Any>? in
+                return champsArray.first(where: { (champ) -> Bool in
+                    guard let champKey = champ["key"] as? String else { return false }
+                    return champKey == key
+                })
+            }).compactMap { (obj) -> String? in
+                
+                return obj["name"] as? String
+        }
+        
+    )
+    
+    
+    
+}