Merge pull request #45 from pusher/bugfix_ordered_json

Bugfix: ordered json - request body vs body_md5

Author: MeenaAlfons

Sources/Pusher/Networking/Client/GetChannelEndpoint.swift

@@ -8,7 +8,7 @@ struct GetChannelEndpoint: APIotaCodableEndpoint {
     typealias ErrorResponse = Data
     typealias Body = String
 
-    let encoder: JSONEncoder = JSONEncoder()
+    let encoder: JSONEncoder = JSONEncoder.iso8601Ordered
 
     let headers: HTTPHeaders? = APIClient.defaultHeaders
 

Sources/Pusher/Networking/Client/GetChannelsEndpoint.swift

@@ -8,7 +8,7 @@ struct GetChannelsEndpoint: APIotaCodableEndpoint {
     typealias ErrorResponse = Data
     typealias Body = String
 
-    let encoder: JSONEncoder = JSONEncoder()
+    let encoder: JSONEncoder = JSONEncoder.iso8601Ordered
 
     let headers: HTTPHeaders? = APIClient.defaultHeaders
 

Sources/Pusher/Networking/Client/GetUsersEndpoint.swift

@@ -8,7 +8,7 @@ struct GetUsersEndpoint: APIotaCodableEndpoint {
     typealias ErrorResponse = Data
     typealias Body = String
 
-    let encoder: JSONEncoder = JSONEncoder()
+    let encoder: JSONEncoder = JSONEncoder.iso8601Ordered
 
     let headers: HTTPHeaders? = APIClient.defaultHeaders
 

Sources/Pusher/Networking/Client/TriggerBatchEventsEndpoint.swift

@@ -8,7 +8,7 @@ struct TriggerBatchEventsEndpoint: APIotaCodableEndpoint {
     typealias ErrorResponse = Data
     typealias Body = EventBatch
 
-    let encoder: JSONEncoder = JSONEncoder()
+    let encoder: JSONEncoder = JSONEncoder.iso8601Ordered
 
     var headers: HTTPHeaders? {
 

Sources/Pusher/Networking/Client/TriggerEventEndpoint.swift

@@ -8,7 +8,7 @@ struct TriggerEventEndpoint: APIotaCodableEndpoint {
     typealias ErrorResponse = Data
     typealias Body = Event
 
-    let encoder: JSONEncoder = JSONEncoder()
+    let encoder: JSONEncoder = JSONEncoder.iso8601Ordered
 
     var headers: HTTPHeaders? {
 

Sources/Pusher/Networking/Models/AuthInfo.swift

@@ -47,7 +47,7 @@ struct AuthInfo: AuthInfoRecord {
                version: String = "1.0") where Body: Encodable {
 
         // Generate a MD5 digest of the body (if provided)
-        if let httpBody = httpBody, let bodyData = try? JSONEncoder().encode(httpBody) {
+        if let httpBody = httpBody, let bodyData = try? JSONEncoder.iso8601Ordered.encode(httpBody) {
             self.bodyMD5 = CryptoService.md5Digest(data: bodyData).hexEncodedString()
         } else {
             self.bodyMD5 = nil

Sources/Pusher/Networking/Models/JSONEncoder.swift

@@ -0,0 +1,19 @@
+import Foundation
+
+extension JSONEncoder {
+    convenience init(dateEncodingStrategy: DateEncodingStrategy,
+                     outputFormatting: OutputFormatting = [],
+                     keyEncodingStrategy: KeyEncodingStrategy = .useDefaultKeys) {
+        self.init()
+        self.dateEncodingStrategy = dateEncodingStrategy
+        self.outputFormatting = outputFormatting
+        self.keyEncodingStrategy = keyEncodingStrategy
+    }
+}
+
+extension JSONEncoder {
+    static let shared = JSONEncoder()
+    static let iso8601 = JSONEncoder(dateEncodingStrategy: .iso8601)
+    static let iso8601Ordered = JSONEncoder(dateEncodingStrategy: .iso8601, outputFormatting: .sortedKeys)
+    static let iso8601PrettyPrinted = JSONEncoder(dateEncodingStrategy: .iso8601, outputFormatting: .prettyPrinted)
+}