[PoC] Add Support for Custom Environment URL

Sources/CorePayments/Networking/Enums/Environment.swift

@@ -4,13 +4,16 @@ import Foundation
 public enum Environment {
     case sandbox
     case live
-
+    case custom(baseURL: String)
+
     var baseURL: URL {
         switch self {
         case .sandbox:
             return URL(string: "https://api-m.sandbox.paypal.com")!
         case .live:
             return URL(string: "https://api-m.paypal.com")!
+        case .custom(let baseURL):
+            return URL(string: baseURL)!
         }
     }
 
@@ -20,6 +23,8 @@ public enum Environment {
             return URL(string: "https://www.sandbox.paypal.com/graphql")!
         case .live:
             return URL(string: "https://www.paypal.com/graphql")!
+        case .custom(let baseURL):
+            return URL(string: "/graphql", relativeTo: URL(string: baseURL))!
         }
     }
 
@@ -30,6 +35,8 @@ public enum Environment {
             return URL(string: "https://sandbox.paypal.com/agreements/approve")!
         case .live:
             return URL(string: "https://paypal.com/agreements/approve")!
+        case .custom(let baseURL):
+            return URL(string: "/agreements/approve", relativeTo: URL(string: baseURL))!
         }
     }
 
@@ -39,6 +46,8 @@ public enum Environment {
             return "sandbox"
         case .live:
             return "live"
+        case .custom(let baseURL):
+            return "custom with baseURL: \(baseURL)"
         }
     }
 }

Sources/FraudProtection/CoreConfig+MagnesSDK.swift

@@ -11,6 +11,9 @@ extension CoreConfig {
             return .SANDBOX
         case .live:
             return .LIVE
+        case .custom:
+            // TODO: determine if this is correct, or if Magnes also needs to be custom
+            return .SANDBOX
         }
     }
 }

Sources/PayPalWebPayments/Environment+PayPalWebCheckout.swift

@@ -13,6 +13,8 @@ extension Environment {
             return URL(string: "https://www.sandbox.paypal.com")!
         case .live:
             return URL(string: "https://www.paypal.com")!
+        case .custom(let baseURL):
+            return URL(string: baseURL)!
         }
     }
     // swiftlint:enable force_unwrapping