Swift 5.5 Concurrency Extension (#14)

* Swift 5.5 Concurrency Extension

* Added example async usage to the Example project;
Updated development pods & resolved resulting project warnings.

.gitignore

@@ -35,3 +35,15 @@ Carthage/Build
 # `pod install` in .travis.yml
 #
 # Pods/
+
+# Swift Package Manager
+#
+# Add this line if you want to avoid checking in source code from Swift Package Manager dependencies.
+# Packages/
+# Package.pins
+# Package.resolved
+# *.xcodeproj
+#
+# Xcode automatically generates this directory with a .xcworkspacedata file and xcuserdata
+# hence it is not needed unless you have added a package configuration file to your project
+.swiftpm

Example/FlagsmithClient.xcodeproj/project.pbxproj

@@ -129,7 +129,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0830;
-				LastUpgradeCheck = 1020;
+				LastUpgradeCheck = 1320;
 				ORGANIZATIONNAME = CocoaPods;
 				TargetAttributes = {
 					607FACCF1AFB9204008FA782 = {
@@ -266,6 +266,7 @@
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
@@ -291,7 +292,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 9.3;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -321,6 +322,7 @@
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
@@ -339,7 +341,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 9.3;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";

Example/FlagsmithClient.xcodeproj/xcshareddata/xcschemes/BulletTrainClient-Example.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1020"
+   LastUpgradeVersion = "1320"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

Example/FlagsmithClient.xcodeproj/xcshareddata/xcschemes/FlagsmithClient_Example.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1240"
+   LastUpgradeVersion = "1320"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

Example/FlagsmithClient/AppDelegate.swift

@@ -58,4 +58,35 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
     // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
   }
 
+  #if swift(>=5.5.2)
+  /// (Example) Setup the app based on the available feature flags.
+  ///
+  /// **Flagsmith** supports the Swift Concurrency feature `async`/`await`.
+  /// Requests and logic can be handled in a streamlined order,
+  /// eliminating the need to nest multiple completion handlers.
+  @available(iOS 13.0, *)
+  func determineAppConfiguration() async {
+    let flagsmith = Flagsmith.shared
+
+    do {
+      if try await flagsmith.hasFeatureFlag(withID: "ab_test_enabled") {
+        if let theme = try await flagsmith.getFeatureValue(withID: "app_theme") {
+          setTheme(theme)
+        } else {
+          let flags = try await flagsmith.getFeatureFlags()
+          processFlags(flags)
+        }
+      } else {
+        let trait = Trait(key: "selected_tint_color", value: "orange")
+        let identity = "4DDBFBCA-3B6E-4C59-B107-954F84FD7F6D"
+        try await flagsmith.setTrait(trait, forIdentity: identity)
+      }
+    } catch {
+        print(error)
+    }
+  }
+
+  func setTheme(_ theme: String) {}
+  func processFlags(_ flags: [Flag]) {}
+  #endif
 }

Example/Podfile.lock

@@ -1,5 +1,5 @@
 PODS:
-  - FlagsmithClient (1.0.1)
+  - FlagsmithClient (1.1.2)
 
 DEPENDENCIES:
   - FlagsmithClient (from `../`)
@@ -9,8 +9,8 @@ EXTERNAL SOURCES:
     :path: "../"
 
 SPEC CHECKSUMS:
-  FlagsmithClient: 01cd05463f73c9ec832599666cac03cfabb857fa
+  FlagsmithClient: dd72c22b356fe008aaec4a7069e88579c3b7d979
 
 PODFILE CHECKSUM: 9fc876dee0cf031cae843156b0740a94b4994d8c
 
-COCOAPODS: 1.10.0
+COCOAPODS: 1.11.2