feat: add iOS support (#6)

README.md

@@ -17,6 +17,8 @@
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 </p>
 
+> ⚠️ The iOS implementation could not be tested yet. I appreciate any feedback.
+
 ## Maintainers
 
 | Maintainer | GitHub                                    | Social                                        |
@@ -138,6 +140,8 @@ getBoolean(options: GetOptions) => Promise<GetResult<boolean>>
 
 On **Android**, see [Set up device owner for testing](https://source.android.com/devices/tech/admin/testing-setup#set_up_the_device_owner_for_testing) and follow the instructions to set up a device owner testing environment.
 
+On **iOS**, you need to install the app as a [managed app](https://support.apple.com/de-de/guide/deployment-reference-ios/iorf4d72eded/web) with a MDM solution.
+
 ## Changelog
 
 See [CHANGELOG.md](https://github.com/robingenz/capacitor-managed-configurations/blob/master/CHANGELOG.md).

ios/Plugin/ManagedConfigurations.swift

@@ -1,7 +1,32 @@
 import Foundation
 
 @objc public class ManagedConfigurations: NSObject {
-    @objc public func echo(_ value: String) -> String {
-        return value
+    private let managedConfig: [String: Any?]
+
+    override init() {
+        managedConfig = UserDefaults.standard.object(forKey: "com.apple.configuration.managed") as? [String: Any?] ?? [:]
+    }
+
+    @objc public func keyExists(_ key: String) -> Bool {
+        if managedConfig[key] != nil {
+            return true
+        }
+        return false
+    }
+
+    @objc public func getString(_ key: String) -> String {
+        // swiftlint:disable:next force_cast
+        return managedConfig[key] as! String
     }
+
+    @objc public func getInt(_ key: String) -> Int {
+        // swiftlint:disable:next force_cast
+        return managedConfig[key] as! Int
+    }
+
+    @objc public func getBool(_ key: String) -> Bool {
+        // swiftlint:disable:next force_cast
+        return managedConfig[key] as! Bool
+    }
+
 }

ios/Plugin/ManagedConfigurationsPlugin.m

@@ -5,6 +5,6 @@
 // each method the plugin supports using the CAP_PLUGIN_METHOD macro.
 CAP_PLUGIN(ManagedConfigurationsPlugin, "ManagedConfigurations",
            CAP_PLUGIN_METHOD(getString, CAPPluginReturnPromise);
-           CAP_PLUGIN_METHOD(getInteger, CAPPluginReturnPromise);
+           CAP_PLUGIN_METHOD(getNumber, CAPPluginReturnPromise);
            CAP_PLUGIN_METHOD(getBoolean, CAPPluginReturnPromise);
 )

ios/Plugin/ManagedConfigurationsPlugin.swift

@@ -7,17 +7,55 @@ import Capacitor
  */
 @objc(ManagedConfigurationsPlugin)
 public class ManagedConfigurationsPlugin: CAPPlugin {
-    private let implementation = ManagedConfigurations()
+    public let errorKeyMissing = "traceName must be provided."
+    private var implementation: ManagedConfigurations?
+
+    override public func load() {
+        implementation = ManagedConfigurations()
+    }
 
     @objc func getString(_ call: CAPPluginCall) {
-        call.reject("Not implemented on iOS.")
+        guard let key = call.getString("key") else {
+            call.reject(errorKeyMissing)
+            return
+        }
+
+        var result = JSObject()
+        if implementation?.keyExists(key) == true {
+            result["value"] = implementation?.getString(key)
+        } else {
+            result["value"] = nil
+        }
+        call.resolve(result)
     }
 
-    @objc func getInteger(_ call: CAPPluginCall) {
-        call.reject("Not implemented on iOS.")
+    @objc func getNumber(_ call: CAPPluginCall) {
+        guard let key = call.getString("key") else {
+            call.reject(errorKeyMissing)
+            return
+        }
+
+        var result = JSObject()
+        if implementation?.keyExists(key) == true {
+            result["value"] = implementation?.getInt(key)
+        } else {
+            result["value"] = nil
+        }
+        call.resolve(result)
     }
 
     @objc func getBoolean(_ call: CAPPluginCall) {
-        call.reject("Not implemented on iOS.")
+        guard let key = call.getString("key") else {
+            call.reject(errorKeyMissing)
+            return
+        }
+
+        var result = JSObject()
+        if implementation?.keyExists(key) == true {
+            result["value"] = implementation?.getBool(key)
+        } else {
+            result["value"] = nil
+        }
+        call.resolve(result)
     }
 }