refactored getEmployees

Signed-off-by: Matt Bruce <mbrucedogs@gmail.com>

EmployeeDirectory/Services/EmployeeService.swift

@@ -39,11 +39,7 @@ internal enum EmployeeServiceMode: String, CaseIterable {
 
 /// Service Layer for Employees
 public class EmployeeService: EmployeeServiceProtocol {
-    public enum EmployeeServiceError: Error {
+
-        case error
-        //case LoadError
-        //case other(Error)
-    }
     // MARK: - Properties
     public static let shared = EmployeeService() // Default shared instance
 
@@ -57,28 +53,20 @@ public class EmployeeService: EmployeeServiceProtocol {
     /// - Parameter serviceMode: Mode in which to hit.
     /// - Returns: An Employees struct
     public func getEmployees() async throws -> Employees {
-        var employees: Employees
         let cache = EmployeeCacheService.shared
-        do {
+        
-            employees = try cache.load()
+        //try to load the employees
-            return employees
+        if let employees = try? cache.load() {
-        } catch {
-            if let networkFound = try? await fetchNetworkEmployees() {
-                employees = networkFound
-                return employees
-            }
-        }
-        throw EmployeeServiceError.error
-    }
-    
-    public func fetchNetworkEmployees() async throws -> Employees {
-        var employees: Employees
-        if let networkFound = try? await NetworkService.shared.fetchData(from: EmployeeServiceMode.production.endpoint, as: Employees.self) {
-            employees = networkFound
-            try? EmployeeCacheService.shared.save(from: employees)
             return employees
         } else {
-            throw EmployeeServiceError.error
+            //fetch the employees
+            let employees = try await NetworkService.shared.fetchData(from: EmployeeServiceMode.production.endpoint, as: Employees.self)
+            
+            //save to cache
+            try? EmployeeCacheService.shared.save(from: employees)
+            
+            //return class
+            return employees
         }
     }
 }