128 lines
4.7 KiB
Swift
128 lines
4.7 KiB
Swift
//
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// DatabaseCollectionListViewController.swift
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// MongoView
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//
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// Created by Shadowfacts on 8/11/20.
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// Copyright © 2020 Shadowfacts. All rights reserved.
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//
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import Cocoa
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import NIO
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import Combine
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class DatabaseCollectionListViewController: NSViewController {
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@IBOutlet weak var outlineView: NSOutlineView!
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let mongoController: MongoController
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let selectedCollection = PassthroughSubject<DatabaseCollection, Never>()
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private var databaseCollections: [DatabaseCollections] = []
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init(mongoController: MongoController) {
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self.mongoController = mongoController
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super.init(nibName: "DatabaseCollectionListViewController", bundle: .main)
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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mongoController.client.listDatabaseNames().flatMap { (databaseNames) -> EventLoopFuture<[DatabaseCollections]> in
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let futures = databaseNames.map { (name: String) -> EventLoopFuture<DatabaseCollections> in
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let db = self.mongoController.client.db(name)
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return db.listCollectionNames().map { (collectionNames: [String]) -> DatabaseCollections in
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let sortedNames = collectionNames.sorted()
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return DatabaseCollections(database: name, collections: sortedNames)
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}
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}
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return EventLoopFuture.whenAllSucceed(futures, on: futures.first!.eventLoop)
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}.whenComplete { [weak self] (res) in
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guard let self = self else { return }
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switch res {
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case let .success(databaseCollections):
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let sortedCollections = databaseCollections.sorted(by: { $0.database < $1.database })
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self.databaseCollections = sortedCollections
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DispatchQueue.main.async {
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self.outlineView.reloadData()
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}
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case let .failure(error):
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fatalError("error getting database names: \(error)")
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}
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}
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outlineView.dataSource = self
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outlineView.delegate = self
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}
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@IBAction func outlineCellDoubleClicked(_ sender: Any) {
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let item = outlineView.item(atRow: outlineView.clickedRow)!
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if item is DatabaseCollections {
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if outlineView.isItemExpanded(item) {
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outlineView.collapseItem(item)
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} else {
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outlineView.expandItem(item)
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}
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} else if let collection = item as? DatabaseCollection {
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selectedCollection.send(collection)
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}
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}
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}
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extension DatabaseCollectionListViewController: NSOutlineViewDataSource {
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func outlineView(_ outlineView: NSOutlineView, numberOfChildrenOfItem item: Any?) -> Int {
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if item == nil {
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return databaseCollections.count
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} else if let database = item as? DatabaseCollections {
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return database.collections.count
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} else {
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return 0
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}
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}
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func outlineView(_ outlineView: NSOutlineView, isItemExpandable item: Any) -> Bool {
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return item is DatabaseCollections
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}
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func outlineView(_ outlineView: NSOutlineView, child index: Int, ofItem item: Any?) -> Any {
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if item == nil {
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return databaseCollections[index]
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} else if let databaseCollections = item as? DatabaseCollections {
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let collection = databaseCollections.collections[index]
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return DatabaseCollection(database: databaseCollections.database, name: collection)
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} else {
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fatalError()
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}
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}
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}
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extension DatabaseCollectionListViewController: NSOutlineViewDelegate {
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func outlineView(_ outlineView: NSOutlineView, viewFor tableColumn: NSTableColumn?, item: Any) -> NSView? {
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if let database = item as? DatabaseCollections {
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let cell = outlineView.makeView(withIdentifier: .databaseNameCell, owner: nil) as! NSTableCellView
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cell.textField!.stringValue = database.database
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cell.textField!.isEditable = false
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return cell
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} else if let collection = item as? DatabaseCollection {
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let cell = outlineView.makeView(withIdentifier: .collectionNameCell, owner: nil) as! NSTableCellView
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cell.textField!.stringValue = collection.name
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cell.textField!.isEditable = false
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return cell
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} else {
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fatalError()
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}
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}
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}
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extension NSUserInterfaceItemIdentifier {
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static let databaseNameCell = NSUserInterfaceItemIdentifier(rawValue: "DatabaseNameCell")
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static let collectionNameCell = NSUserInterfaceItemIdentifier(rawValue: "CollectionNameCell")
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}
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