Files
firebase-ios-sdk/FirebaseStorage/Sources/StorageListResult.swift
T

79 lines
2.5 KiB
Swift

// Copyright 2022 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import Foundation
/** Contains the prefixes and items returned by a `StorageReference.list()` call. */
@objc(FIRStorageListResult) open class StorageListResult: NSObject {
/**
* The prefixes (folders) returned by a `list()` operation.
*/
@objc public let prefixes: [StorageReference]
/**
* The objects (files) returned by a `list()` operation.
*/
@objc public let items: [StorageReference]
/**
* A token that can be used to resume a previous `list()` operation. `nil`
* indicates that there are no more results.
*/
@objc public let pageToken: String?
// MARK: - NSObject overrides
@objc override open func copy() -> Any {
return StorageListResult(withPrefixes: prefixes,
items: items,
pageToken: pageToken)
}
// MARK: - Internal APIs
convenience init(with dictionary: [String: Any], reference: StorageReference) {
var prefixes = [StorageReference]()
var items = [StorageReference]()
let rootReference = reference.root()
if let prefixEntries = dictionary["prefixes"] as? [String] {
for prefixEntry in prefixEntries {
var pathWithoutTrailingSlash = prefixEntry
if prefixEntry.hasSuffix("/") {
pathWithoutTrailingSlash = String(prefixEntry.dropLast())
}
prefixes.append(rootReference.child(pathWithoutTrailingSlash))
}
}
if let itemEntries = dictionary["items"] as? [[String: String]] {
for itemEntry in itemEntries {
if let item = itemEntry["name"] {
items.append(rootReference.child(item))
}
}
}
let pageToken = dictionary["nextPageToken"] as? String
self.init(withPrefixes: prefixes, items: items, pageToken: pageToken)
}
init(withPrefixes prefixes: [StorageReference],
items: [StorageReference],
pageToken: String?) {
self.prefixes = prefixes
self.items = items
self.pageToken = pageToken
}
}