mirror of
https://github.com/vector-im/element-ios.git
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98 lines
3.6 KiB
Swift
98 lines
3.6 KiB
Swift
//
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// Copyright 2021 New Vector Ltd
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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 PostHog
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import AnalyticsEvents
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/// An analytics client that reports events to a PostHog server.
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class PostHogAnalyticsClient: AnalyticsClientProtocol {
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/// The PHGPostHog object used to report events.
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private var postHog: PostHogSDK?
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/// Any user properties to be included with the next captured event.
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private(set) var pendingUserProperties: AnalyticsEvent.UserProperties?
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static let shared = PostHogAnalyticsClient()
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var isRunning: Bool { postHog != nil }
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func start() {
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// Only start if analytics have been configured in BuildSettings
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guard let configuration = PostHogConfig.standard else { return }
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if postHog == nil {
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PostHogSDK.shared.setup(configuration)
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postHog = PostHogSDK.shared
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}
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postHog?.optIn()
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}
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func identify(id: String) {
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if let userProperties = pendingUserProperties {
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// As user properties overwrite old ones, compactMap the dictionary to avoid resetting any missing properties
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postHog?.identify(id, userProperties: userProperties.properties.compactMapValues { $0 })
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pendingUserProperties = nil
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} else {
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postHog?.identify(id)
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}
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}
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func reset() {
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postHog?.reset()
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pendingUserProperties = nil
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}
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func stop() {
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postHog?.optOut()
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self.postHog = nil
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}
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func flush() {
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postHog?.flush()
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}
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func capture(_ event: AnalyticsEventProtocol) {
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postHog?.capture(event.eventName, properties: event.properties, userProperties: pendingUserProperties?.properties.compactMapValues { $0 })
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// Pending user properties have been added
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self.pendingUserProperties = nil
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}
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func screen(_ event: AnalyticsScreenProtocol) {
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postHog?.screen(event.screenName.rawValue, properties: event.properties)
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}
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func updateUserProperties(_ userProperties: AnalyticsEvent.UserProperties) {
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guard let pendingUserProperties = pendingUserProperties else {
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pendingUserProperties = userProperties
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return
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}
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// Merge the updated user properties with the existing ones
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self.pendingUserProperties = AnalyticsEvent.UserProperties(allChatsActiveFilter: userProperties.allChatsActiveFilter ?? pendingUserProperties.allChatsActiveFilter,
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ftueUseCaseSelection: userProperties.ftueUseCaseSelection ?? pendingUserProperties.ftueUseCaseSelection,
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numFavouriteRooms: userProperties.numFavouriteRooms ?? pendingUserProperties.numFavouriteRooms,
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numSpaces: userProperties.numSpaces ?? pendingUserProperties.numSpaces)
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}
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}
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extension PostHogAnalyticsClient: RemoteFeaturesClientProtocol {
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func isFeatureEnabled(_ feature: String) -> Bool {
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postHog?.isFeatureEnabled(feature) == true
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}
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}
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