ROGoogleTranslate was in the wrong directory. Move ROGoogleTranslate into the Source folder.

Author: Robin Oster

ROGoogleTranslate.xcodeproj/project.pbxproj

@@ -8,24 +8,24 @@
 
 /* Begin PBXBuildFile section */
 		CB46171F1DBE32740066AD96 /* ROGoogleTranslate.podspec in Resources */ = {isa = PBXBuildFile; fileRef = CB46171E1DBE32740066AD96 /* ROGoogleTranslate.podspec */; };
+		CB4617211DBE36780066AD96 /* ROGoogleTranslate.swift in Sources */ = {isa = PBXBuildFile; fileRef = CB4617201DBE36780066AD96 /* ROGoogleTranslate.swift */; };
 		CBCA3FBD1DB90B850025D8E4 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = CBCA3FBC1DB90B850025D8E4 /* AppDelegate.swift */; };
 		CBCA3FBF1DB90B850025D8E4 /* ViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = CBCA3FBE1DB90B850025D8E4 /* ViewController.swift */; };
 		CBCA3FC21DB90B850025D8E4 /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = CBCA3FC01DB90B850025D8E4 /* Main.storyboard */; };
 		CBCA3FC41DB90B850025D8E4 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = CBCA3FC31DB90B850025D8E4 /* Assets.xcassets */; };
 		CBCA3FC71DB90B850025D8E4 /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = CBCA3FC51DB90B850025D8E4 /* LaunchScreen.storyboard */; };
-		CBCA3FD21DB90F970025D8E4 /* ROGoogleTranslate.swift in Sources */ = {isa = PBXBuildFile; fileRef = CBCA3FD11DB90F970025D8E4 /* ROGoogleTranslate.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
 		CB46171E1DBE32740066AD96 /* ROGoogleTranslate.podspec */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = ROGoogleTranslate.podspec; sourceTree = SOURCE_ROOT; };
+		CB4617201DBE36780066AD96 /* ROGoogleTranslate.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = ROGoogleTranslate.swift; path = Source/ROGoogleTranslate.swift; sourceTree = SOURCE_ROOT; };
 		CBCA3FB91DB90B850025D8E4 /* ROGoogleTranslate.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = ROGoogleTranslate.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		CBCA3FBC1DB90B850025D8E4 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
 		CBCA3FBE1DB90B850025D8E4 /* ViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ViewController.swift; sourceTree = "<group>"; };
 		CBCA3FC11DB90B850025D8E4 /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/Main.storyboard; sourceTree = "<group>"; };
 		CBCA3FC31DB90B850025D8E4 /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
 		CBCA3FC61DB90B850025D8E4 /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = "<group>"; };
 		CBCA3FC81DB90B850025D8E4 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
-		CBCA3FD11DB90F970025D8E4 /* ROGoogleTranslate.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ROGoogleTranslate.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -81,7 +81,7 @@
 		CBCA3FCE1DB90B8C0025D8E4 /* Source */ = {
 			isa = PBXGroup;
 			children = (
-				CBCA3FD11DB90F970025D8E4 /* ROGoogleTranslate.swift */,
+				CB4617201DBE36780066AD96 /* ROGoogleTranslate.swift */,
 			);
 			name = Source;
 			sourceTree = "<group>";
@@ -161,7 +161,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				CBCA3FBF1DB90B850025D8E4 /* ViewController.swift in Sources */,
-				CBCA3FD21DB90F970025D8E4 /* ROGoogleTranslate.swift in Sources */,
+				CB4617211DBE36780066AD96 /* ROGoogleTranslate.swift in Sources */,
 				CBCA3FBD1DB90B850025D8E4 /* AppDelegate.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;

ROGoogleTranslate/Info.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>0.0.2</string>
+	<string>0.0.3</string>
 	<key>CFBundleVersion</key>
 	<string>16298</string>
 	<key>LSRequiresIPhoneOS</key>

Source/ROGoogleTranslate.swift

@@ -0,0 +1,85 @@
+//
+//  ROGoogleTranslate.swift
+//  ROGoogleTranslate
+//
+//  Created by Robin Oster on 20/10/16.
+//  Copyright © 2016 prine.ch. All rights reserved.
+//
+
+import Foundation
+
+public struct ROGoogleTranslateParams {
+    var source = "de"
+    var target = "en"
+    var text = "Ich glaube, du hast den Text zum Übersetzen vergessen"
+}
+
+
+/// Offers easier access to the Google Translate API
+open class ROGoogleTranslate {
+    
+    /// Store here the Google Translate API Key
+    public var apiKey = ""
+    
+    ///
+    /// Initial constructor
+    ///
+    public init() {
+        
+    }
+    
+    ///
+    /// Translate a phrase from one language into another
+    ///
+    /// - parameter params:   ROGoogleTranslate Struct contains all the needed parameters to translate with the Google Translate API
+    /// - parameter callback: The translated string will be returned in the callback
+    ///
+    open func translate(params:ROGoogleTranslateParams, callback:@escaping (_ translatedText:String) -> ()) {
+        
+        guard apiKey != "" else {
+            print("Warning: You should set the api key before calling the translate method.")
+            return
+        }
+        
+        if let urlEncodedText = params.text.addingPercentEncoding(withAllowedCharacters: .urlHostAllowed) {
+            if let url = URL(string: "https://www.googleapis.com/language/translate/v2?key=\(self.apiKey)&q=\(urlEncodedText)&source=\(params.source)&target=\(params.target)") {
+            
+                let httprequest = URLSession.shared.dataTask(with: url, completionHandler: { (data, response, error) in
+                    guard error == nil else {
+                        print("Something went wrong: \(error?.localizedDescription)")
+                        return
+                    }
+                    
+                    if let httpResponse = response as? HTTPURLResponse {
+                        
+                        guard httpResponse.statusCode == 200 else {
+                            print("Something went wrong: \(data)")
+                            return
+                        }
+                        
+                        do {
+                            // Pyramid of optional json retrieving. I know with SwiftyJSON it would be easier, but I didn't want to add an external library
+                            if let data = data {
+                                if let json = try JSONSerialization.jsonObject(with: data, options:JSONSerialization.ReadingOptions.mutableContainers) as? NSDictionary {
+                                    if let jsonData = json["data"] as? [String : Any] {
+                                        if let translations = jsonData["translations"] as? [NSDictionary] {
+                                            if let translation = translations.first as? [String : Any] {
+                                                if let translatedText = translation["translatedText"] as? String {
+                                                    callback(translatedText)
+                                                }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        } catch {
+                            print("Serialization failed: \(error.localizedDescription)")
+                        }
+                    }
+                })
+                
+                httprequest.resume()
+            }
+        }
+    }
+}