Improve Code Quality

Sources/TelemetryClient/Signal.swift

@@ -113,7 +113,10 @@ extension DefaultSignalPayload {
 
     /// The operating system and its version
     static var systemVersion: String {
-        return "\(platform) \(ProcessInfo.processInfo.operatingSystemVersion.majorVersion).\(ProcessInfo.processInfo.operatingSystemVersion.minorVersion).\(ProcessInfo.processInfo.operatingSystemVersion.patchVersion)"
+        let majorVersion = ProcessInfo.processInfo.operatingSystemVersion.majorVersion
+        let minorVersion = ProcessInfo.processInfo.operatingSystemVersion.minorVersion
+        let patchVersion = ProcessInfo.processInfo.operatingSystemVersion.patchVersion
+        return "\(platform) \(majorVersion).\(minorVersion).\(patchVersion)"
     }
 
     /// The major system version, i.e. iOS 15
@@ -123,7 +126,9 @@ extension DefaultSignalPayload {
 
     /// The major system version, i.e. iOS 15
     static var majorMinorSystemVersion: String {
-        return "\(platform) \(ProcessInfo.processInfo.operatingSystemVersion.majorVersion).\(ProcessInfo.processInfo.operatingSystemVersion.minorVersion)"
+        let majorVersion = ProcessInfo.processInfo.operatingSystemVersion.majorVersion
+        let minorVersion = ProcessInfo.processInfo.operatingSystemVersion.minorVersion
+        return "\(platform) \(majorVersion).\(minorVersion)"
     }
 
     /// The Bundle Short Version String, as described in Info.plist

Sources/TelemetryClient/SignalCache.swift

@@ -53,12 +53,14 @@ internal class SignalCache<T> where T: Codable {
     }
 
     private func fileURL() -> URL {
+        // swiftlint:disable force_try
         let cacheFolderURL = try! FileManager.default.url(
             for: .cachesDirectory,
             in: .userDomainMask,
             appropriateFor: nil,
             create: false
         )
+        // swiftlint:enable force_try
 
         return cacheFolderURL.appendingPathComponent("telemetrysignalcache")
     }

Sources/TelemetryClient/SignalManager.swift

@@ -68,7 +68,13 @@ internal class SignalManager: SignalManageable {
     }
 
     /// Adds a signal to the process queue
-    func processSignal(_ signalType: TelemetrySignalType, for clientUser: String? = nil, floatValue: Double? = nil, with additionalPayload: [String: String] = [:], configuration: TelemetryManagerConfiguration) {
+    func processSignal(
+        _ signalType: TelemetrySignalType,
+        for clientUser: String? = nil,
+        floatValue: Double? = nil,
+        with additionalPayload: [String: String] = [:],
+        configuration: TelemetryManagerConfiguration
+    ) {
         DispatchQueue.global(qos: .utility).async {
             let enrichedMetadata: [String: String] = configuration.metadataEnrichers
                 .map { $0.enrich(signalType: signalType, for: clientUser, floatValue: floatValue) }
@@ -179,7 +185,11 @@ private extension SignalManager {
             urlRequest.httpMethod = "POST"
             urlRequest.addValue("application/json", forHTTPHeaderField: "Content-Type")
 
-            urlRequest.httpBody = try! JSONEncoder.telemetryEncoder.encode(signalPostBodies)
+            guard let body = try? JSONEncoder.telemetryEncoder.encode(signalPostBodies) else {
+                return
+            }
+
+            urlRequest.httpBody = body
             self.configuration.logHandler?.log(.debug, message: String(data: urlRequest.httpBody!, encoding: .utf8)!)
 
             let task = URLSession.shared.dataTask(with: urlRequest, completionHandler: completionHandler)
@@ -221,7 +231,9 @@ private extension SignalManager {
             }
         #else
             #if DEBUG
-                configuration.logHandler?.log(message: "[Telemetry] On this platform, Telemetry can't generate a unique user identifier. It is recommended you supply one yourself. More info: https://telemetrydeck.com/pages/signal-reference.html")
+                let line1 = "[Telemetry] On this platform, Telemetry can't generate a unique user identifier."
+                let line2 = "It is recommended you supply one yourself. More info: https://telemetrydeck.com/pages/signal-reference.html"
+                configuration.logHandler?.log(message: "\(line1) \(line2)")
             #endif
             return "unknown user \(DefaultSignalPayload.platform) \(DefaultSignalPayload.systemVersion) \(DefaultSignalPayload.buildNumber)"
         #endif