mirror of
https://github.com/firebase/firebase-ios-sdk
synced 2026-11-11 22:55:59 +05:45
85 lines
3.3 KiB
Swift
85 lines
3.3 KiB
Swift
/*
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* Copyright 2021 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import Foundation
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#if SWIFT_PACKAGE
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@_exported import FirebaseRemoteConfigInternal
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#endif // SWIFT_PACKAGE
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import FirebaseSharedSwift
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#if SWIFT_PACKAGE
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// This is a trick to force generate a `FirebaseRemoteConfig-Swift.h` header
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// that re-exports `FirebaseRemoteConfigInternal` for Objective-C clients. It
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// is important for the below code to reference a Remote Config symbol defined
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// in Objective-C as that will import the symbol's module
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// (`FirebaseRemoteConfigInternal`) in the generated header. This allows
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// Objective-C clients to import Remote Config's Objective-C API using
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// `@import FirebaseRemoteConfig;`. This API is not needed for Swift clients
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// and is therefore hidden for them for the foreseeable future.
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@available(iOS 100, *)
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@objc public extension RemoteConfig {
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var __do_not_call: String { "" }
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}
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#endif // SWIFT_PACKAGE
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public enum RemoteConfigValueCodableError: Error {
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case unsupportedType(String)
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}
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public extension RemoteConfigValue {
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/// Extracts a RemoteConfigValue JSON-encoded object and decodes it to the requested type.
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///
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/// - Parameter asType: The type to decode the JSON-object to
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func decoded<Value: Decodable>(asType: Value.Type = Value.self) throws -> Value {
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if asType == Date.self {
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throw RemoteConfigValueCodableError
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.unsupportedType("Date type is not currently supported for " +
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" Remote Config Value decoding. Please file a feature request")
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}
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return try FirebaseDataDecoder()
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.decode(Value.self, from: FirebaseRemoteConfigValueDecoderHelper(value: self))
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}
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}
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public enum RemoteConfigCodableError: Error {
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case invalidSetDefaultsInput(String)
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}
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public extension RemoteConfig {
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/// Decodes a struct from the respective Remote Config values.
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///
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/// - Parameter asType: The type to decode to.
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func decoded<Value: Decodable>(asType: Value.Type = Value.self) throws -> Value {
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let keys = allKeys(from: RemoteConfigSource.default) + allKeys(from: RemoteConfigSource.remote)
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let config = keys.reduce(into: [String: FirebaseRemoteConfigValueDecoderHelper]()) {
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$0[$1] = FirebaseRemoteConfigValueDecoderHelper(value: configValue(forKey: $1))
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}
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return try FirebaseDataDecoder().decode(Value.self, from: config)
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}
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/// Sets config defaults from an encodable struct.
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///
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/// - Parameter value: The object to use to set the defaults.
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func setDefaults<Value: Encodable>(from value: Value) throws {
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guard let encoded = try FirebaseDataEncoder().encode(value) as? [String: NSObject] else {
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throw RemoteConfigCodableError.invalidSetDefaultsInput(
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"The setDefaults input: \(value), must be a Struct that encodes to a Dictionary"
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)
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}
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setDefaults(encoded)
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}
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}
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