Initial API service in Swift

# Conflicts:
#	Juick.xcodeproj/project.pbxproj

3 files changed, 151 insertions, 0 deletions

diff --git a/Juick.xcodeproj/project.pbxproj b/Juick.xcodeproj/project.pbxproj
index ffe6e41..bd7e526 100644
--- a/Juick.xcodeproj/project.pbxproj
+++ b/Juick.xcodeproj/project.pbxproj
@@ -36,6 +36,7 @@
 		774528C21F930C06004D110B /* Attachment.m in Sources */ = {isa = PBXBuildFile; fileRef = 774528C11F930C06004D110B /* Attachment.m */; };
 		774746AD239F82A10001C7F9 /* NSDate+TimeAgo.m in Sources */ = {isa = PBXBuildFile; fileRef = 774746AC239F82A10001C7F9 /* NSDate+TimeAgo.m */; };
 		774746B6239F872A0001C7F9 /* CoreServices.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 774746B5239F872A0001C7F9 /* CoreServices.framework */; };
+		774C98CD25126C070073C70A /* Service.swift in Sources */ = {isa = PBXBuildFile; fileRef = 774C98CC25126C070073C70A /* Service.swift */; };
 		7761133821766A3000D350CD /* ContentLoadingCell.m in Sources */ = {isa = PBXBuildFile; fileRef = 7761133621766A3000D350CD /* ContentLoadingCell.m */; };
 		7761133921766A3000D350CD /* ContentLoadingCell.xib in Resources */ = {isa = PBXBuildFile; fileRef = 7761133721766A3000D350CD /* ContentLoadingCell.xib */; };
 		7761135D21790B0300D350CD /* JuickPush.appex in Embed Foundation Extensions */ = {isa = PBXBuildFile; fileRef = 7761135521790B0200D350CD /* JuickPush.appex */; settings = {ATTRIBUTES = (RemoveHeadersOnCopy, ); }; };
@@ -148,6 +149,8 @@
 		774746AC239F82A10001C7F9 /* NSDate+TimeAgo.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = "NSDate+TimeAgo.m"; sourceTree = "<group>"; };
 		774746B4239F86EA0001C7F9 /* JuickPush.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = JuickPush.entitlements; sourceTree = "<group>"; };
 		774746B5239F872A0001C7F9 /* CoreServices.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = CoreServices.framework; path = Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/System/Library/Frameworks/CoreServices.framework; sourceTree = DEVELOPER_DIR; };
+		774C98C0251263720073C70A /* Juick-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "Juick-Bridging-Header.h"; sourceTree = "<group>"; };
+		774C98CC25126C070073C70A /* Service.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Service.swift; sourceTree = "<group>"; };
 		7761133521766A3000D350CD /* ContentLoadingCell.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = ContentLoadingCell.h; sourceTree = "<group>"; };
 		7761133621766A3000D350CD /* ContentLoadingCell.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = ContentLoadingCell.m; sourceTree = "<group>"; };
 		7761133721766A3000D350CD /* ContentLoadingCell.xib */ = {isa = PBXFileReference; lastKnownFileType = file.xib; path = ContentLoadingCell.xib; sourceTree = "<group>"; };
@@ -296,6 +299,7 @@
 				77317BC6181BBE8500D60005 /* Images.xcassets */,
 				77C6ADDD1F770EB2000AEA8C /* Main.storyboard */,
 				77C364912243FAEF0017522C /* Colors.xcassets */,
+				774C98CC25126C070073C70A /* Service.swift */,
 			);
 			path = Juick;
 			sourceTree = "<group>";
@@ -303,6 +307,7 @@
 		77317BB2181BBE8500D60005 /* Supporting Files */ = {
 			isa = PBXGroup;
 			children = (
+				774C98C0251263720073C70A /* Juick-Bridging-Header.h */,
 				773F231B1F76DD0B00B5B0DF /* SerpentineBoldItalic.ttf */,
 				77317BB4181BBE8500D60005 /* InfoPlist.strings */,
 				77317BB3181BBE8500D60005 /* Juick-Info.plist */,
@@ -500,6 +505,7 @@
 				TargetAttributes = {
 					77317BA7181BBE8500D60005 = {
 						DevelopmentTeam = KH4MX79ZK7;
+						LastSwiftMigration = 1200;
 						SystemCapabilities = {
 							com.apple.BackgroundModes = {
 								enabled = 1;
@@ -614,6 +620,7 @@
 				77E35A82189A5B5A00B2D216 /* LoginViewController.m in Sources */,
 				773E6397204BCB64008B8F8D /* ConversationCell.m in Sources */,
 				778560602343D24E00BB37A2 /* NSData+Hex.m in Sources */,
+				774C98CD25126C070073C70A /* Service.swift in Sources */,
 				776C41BD1FD3EF180063B82E /* MessageCell.m in Sources */,
 				77317BB8181BBE8500D60005 /* main.m in Sources */,
 				7705301B25D4414D0058DCE6 /* User+UIView.m in Sources */,
@@ -781,6 +788,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_ENTITLEMENTS = Juick/Juick.entitlements;
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
@@ -804,6 +812,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_ENTITLEMENTS = Juick/Juick.entitlements;
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				CURRENT_PROJECT_VERSION = 173;
@@ -948,6 +957,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_ENTITLEMENTS = Juick/Juick.entitlements;
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
@@ -1004,6 +1014,7 @@
 		77F2B6A6251249F300E42F6F /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";
@@ -1032,6 +1043,7 @@
 		77F2B6A7251249F300E42F6F /* Debug (local) */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";
@@ -1060,6 +1072,7 @@
 		77F2B6A8251249F300E42F6F /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";
diff --git a/Juick/Service.swift b/Juick/Service.swift
new file mode 100644
index 0000000..441451e
--- /dev/null
+++ b/Juick/Service.swift
@@ -0,0 +1,135 @@
+//
+//  Service.swift
+//  Juick
+//
+//  Created by Vitaly Takmazov on 16.09.2020.
+//  Copyright © 2020 com.juick. All rights reserved.
+//
+
+import Foundation
+
+class Service : NSObject, URLSessionDelegate, URLSessionTaskDelegate {
+    let backgroundQueue = OperationQueue()
+    
+    let baseURL : URL?
+    
+    lazy var authorizationHeader : String? = {
+        if let token = UserDefaults.standard.string(forKey: "token") {
+            return "Juick \(token)"
+        }
+        return nil;
+    }()
+    
+    override init() {
+        let baseURLString = Bundle.main.object(forInfoDictionaryKey:"base_url") as! String
+        debugPrint("Initializing with \(baseURLString) base URL")
+        self.baseURL = URL(string: baseURLString)
+        super.init()
+    }
+    func url(url:URL, params:[String: String]) -> URL {
+        let parametersUrl = NSURLComponents(url: url, resolvingAgainstBaseURL: true)
+        var items : [URLQueryItem] = []
+        for (key, value) in params {
+            items.append(URLQueryItem(name: key, value: value))
+        }
+        parametersUrl?.queryItems = items
+        return (parametersUrl?.url!)!
+    }
+    func fetchData(url:URL, postData:Data?, boundary:String?, header:String?, callback: @escaping (Data?, Error?) -> Void) {
+        var request = URLRequest(url: url)
+        if (header != nil) {
+            request.addValue(header!, forHTTPHeaderField:"Authorization")
+        }
+        if (boundary != nil) {
+            request.httpMethod = "POST";
+            request.httpBody = postData;
+            let contentType = "multipart/form-data; boundary=\(boundary!)"
+            request.setValue(contentType, forHTTPHeaderField:"Content-Type")
+        } else if (postData != nil) {
+            request.httpMethod = "PUT";
+            request.httpBody = postData;
+            request.setValue("application/json", forHTTPHeaderField:"Content-Type")
+        } else {
+            request.httpMethod = "GET";
+        }
+        
+        let task = URLSession.shared.dataTask(with: request, completionHandler: { (data, response, error) in
+            if (error != nil) {
+                OperationQueue.main.addOperation {
+                    callback(nil, error)
+                }
+            } else {
+                let statusCode = (response as? HTTPURLResponse)?.statusCode ?? 457
+                if (response == nil || statusCode != 200) {
+                    let url = request.url
+                    let err = NSError(domain: "JuickErrorDomain", code: statusCode, userInfo: ["url":url!.absoluteString])
+                    OperationQueue.main.addOperation {
+                        callback(nil, err)
+                    }
+                } else {
+                    OperationQueue.main.addOperation {
+                        callback(data, error)
+                    }
+                }
+            }
+        })
+        self.backgroundQueue.addOperation {
+            task.resume()
+        }
+    }
+    private func multipartData(params:[String:String], boundary:String) -> Data {
+        var body = Data()
+        for (key, value) in params {
+            body.append("--\(boundary)\r\n".data(using: .utf8)!)
+            body.append("Content-Disposition: form-data; name=\(key)\r\n\r\n".data(using: .utf8)!)
+            body.append("\(value)\r\n".data(using: .utf8)!)
+        }
+        body.append("--\(boundary)--".data(using: .utf8)!)
+        return body;
+    }
+    private func get(path:String, params:[String:String], callback:@escaping (NSDictionary?, Error?) -> Void) {
+        if let url = URL(string: path, relativeTo: self.baseURL) {
+            let requestUrl = params.isEmpty ? url : self.url(url: url, params: params)
+            fetchData(url: requestUrl, postData: nil, boundary: nil, header: self.authorizationHeader) {
+                (responseData, err) in
+                if (err != nil) {
+                    callback(nil, err)
+                } else {
+                    if let data = responseData, let jsonData = try? JSONSerialization.jsonObject(with: data, options: []) {
+                        callback(jsonData as? NSDictionary, nil)
+                    } else {
+                        callback(nil, NSError(domain: "JuickErrorDomain", code: 500, userInfo: ["message":"JSON error"]))
+                    }
+                }
+            }
+        }
+    }
+    
+    func post(path: String, params:[String:String], callback:@escaping (NSDictionary?, Error?) -> Void) {
+        if let url = URL(string: path, relativeTo: self.baseURL) {
+            let boundary = "Boundary-\(UUID().uuidString)";
+            fetchData(url: url, postData:multipartData(params: params, boundary: boundary), boundary: boundary, header: self.authorizationHeader) {
+                (responseData, err) in
+                if (err != nil) {
+                    callback(nil, err)
+                } else {
+                    if let data = responseData, let jsonData = try? JSONSerialization.jsonObject(with: data, options: []) {
+                        callback(jsonData as? NSDictionary, nil)
+                    } else {
+                        callback(nil, NSError(domain: "JuickErrorDomain", code: 500, userInfo: ["message":"JSON error"]))
+                    }
+                }
+            }
+        }
+    }
+
+    func fetchImage(url:URL, callback:@escaping(Data?)-> Void) {
+        fetchData(url: url, postData: nil, boundary: nil, header: self.authorizationHeader) { (data, err) in
+            if (err != nil) {
+                callback(nil);
+            } else {
+                callback(data);
+            }
+        }
+    }
+}
diff --git a/Juick/Supporting Files/Juick-Bridging-Header.h b/Juick/Supporting Files/Juick-Bridging-Header.h
new file mode 100644
index 0000000..e11d920
--- /dev/null
+++ b/Juick/Supporting Files/Juick-Bridging-Header.h
@@ -0,0 +1,3 @@
+//
+//  Use this file to import your target's public headers that you would like to expose to Swift.
+//