tifoaudii

//
//  Anchor.swift
//  AppStore
//
//  Created by Tifo Audi Alif Putra on 27/07/19.
//  Copyright © 2019 BCC FILKOM. All rights reserved.
//

import UIKit

tifoaudii

class Node<Value> {
    var value: Value
    var next: Node<Value>?
    
    init(value: Value, next: Node<Value>? = nil ) {
        self.value = value
        self.next = next
    }
}

tifoaudii

public struct Linkedlist<Value> {
    public var head: Node<Value>?
    public var tail: Node<Value>?
    public var isEmpty: Bool {
        return head == nil
    }
    
    init() {}
    public mutating func push(_ value: Value) {
        head = Node(value: value, next: head)

tifoaudii

func getCharacterFromString(str: String) -> Dictionary<Character,Int> {
    
    var stringDictionary = Dictionary<Character, Int>()
    
    for (_,char) in str.enumerated() {
        if !stringDictionary.keys.contains(char) {
            stringDictionary[char] = 1
        } else {
            stringDictionary[char]! += 1
        }

tifoaudii

fileprivate func createOnGoingMovieSection() -> NSCollectionLayoutSection {
      let itemSize = NSCollectionLayoutSize(widthDimension: .fractionalWidth(1.0), heightDimension: .fractionalWidth(2/3))
      let item = NSCollectionLayoutItem(layoutSize: itemSize)
      let groupSize = NSCollectionLayoutSize(widthDimension: .fractionalWidth(1.0), heightDimension: .fractionalWidth(1.0))
      let group = NSCollectionLayoutGroup.vertical(layoutSize: groupSize, subitem: item, count: 3)
      group.contentInsets = .init(top: 5, leading: 0, bottom: 5, trailing: 20)
      
      let headerSize = NSCollectionLayoutSize(widthDimension: .fractionalWidth(1.0),
      heightDimension: .estimated(44))
      let sectionHeader = NSCollectionLayoutBoundarySupplementaryItem(layoutSize: headerSize, elementKind: MovieViewController.sectionHeaderElementKind, alignment: .top)

tifoaudii

class Node<Value> {
    var value: Value
    var next: Node<Value>?
    
    init(value: Value, next: Node<Value>? = nil ) {
        self.value = value
        self.next = next
    }
}

tifoaudii

let layout = UICollectionViewCompositionalLayout { (sectionIndex: Int, _ ) -> NSCollectionLayoutSection? in      
   let movieSections = MovieSection.allCases[sectionIndex]
       switch movieSections {
         case .topRated: return self.createTopRatedMovieSection()
         case .onGoing: return self.createOnGoingMovieSection()
         case .upcoming: return self.createUpcomingMovieSection()
         case .popular: return self.createPopularMovieSection()
       }
}
return layout

tifoaudii

movieDataSource = UICollectionViewDiffableDataSource<MovieSection, Movie>(collectionView: movieCollectionView, cellProvider: { (collectionView, indexPath, movie) -> UICollectionViewCell? in
         let movieSections = MovieSection.allCases[indexPath.section]
         switch movieSections {
         case .topRated:
            guard let cell = collectionView.dequeueReusableCell(withReuseIdentifier: TopRatedMovieCell.cellIdentifier, for: indexPath) as? TopRatedMovieCell else {
               return TopRatedMovieCell()
            }
            cell.movie = movie
            return cell
         case .onGoing:

tifoaudii

var snapshot = NSDiffableDataSourceSnapshot<MovieSection, Movie>()

snapshot.appendSections([MovieSection.topRated])
snapshot.appendItems(viewModel.topRatedMovies)
      
snapshot.appendSections([MovieSection.onGoing])
snapshot.appendItems(viewModel.ongoingMovies)
      
snapshot.appendSections([MovieSection.upcoming])
snapshot.appendItems(viewModel.upcomingMovies)

tifoaudii

//1
let itemSize = NSCollectionLayoutSize(widthDimension: .fractionalWidth(1.0), heightDimension: .fractionalWidth(1.0))
let item = NSCollectionLayoutItem(layoutSize: itemSize) 

//2    
let groupSize = NSCollectionLayoutSize(widthDimension: .absolute(140), heightDimension: .absolute(220))    
let group = NSCollectionLayoutGroup.vertical(layoutSize: groupSize, subitem: item, count: 1)     
group.contentInsets = .init(top: 5, leading: 5, bottom: 5, trailing: 5)

//3