Update to previous pull request

createsend-netstandard.sln

@@ -0,0 +1,22 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.26403.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "createsend-netstandard", "createsend-netstandard\createsend-netstandard.csproj", "{74932B63-D31D-4682-BE98-5F96D0B91E04}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{74932B63-D31D-4682-BE98-5F96D0B91E04}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{74932B63-D31D-4682-BE98-5F96D0B91E04}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{74932B63-D31D-4682-BE98-5F96D0B91E04}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{74932B63-D31D-4682-BE98-5F96D0B91E04}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

createsend-netstandard/Account.cs

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+using System.Collections.Generic;
+using System.Collections.Specialized;
+
+namespace createsend_dotnet
+{
+    public class Account : CreateSendBase
+    {
+        public Account(AuthenticationDetails auth) : base(auth) { }
+
+        public string GetPrimaryContact()
+        {
+            return HttpGet<PersonResult>("/primarycontact.json", null)
+                .EmailAddress;
+        }
+
+        public string SetPrimaryContact(string emailAddress)
+        {
+            return HttpPut<string, PersonResult>("/primarycontact.json",
+                new NameValueCollection { { "email", emailAddress } }, null)
+                .EmailAddress;
+        }
+
+        public IEnumerable<AdministratorDetails> Administrators()
+        {
+            return HttpGet<IEnumerable<AdministratorDetails>>(
+                "/admins.json", null);
+        }
+    }
+}

createsend-netstandard/Administrator.cs

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+using System.Collections.Specialized;
+
+namespace createsend_dotnet
+{
+    public class Administrator : CreateSendBase
+    {
+        private string AdminsUrl { get { return string.Format("/admins.json"); } }
+
+        public Administrator(AuthenticationDetails auth) : base(auth) { }
+
+        public AdministratorDetails Details(string emailAddress)
+        {
+            return HttpGet<AdministratorDetails>(
+                AdminsUrl, new NameValueCollection {{"email", emailAddress}});
+        }
+
+        public string Add(AdministratorDetails admin)
+        {
+            return HttpPost<AdministratorDetails, AdministratorResult>(
+                AdminsUrl, null, admin).EmailAddress;
+        }
+
+        public string Update(string emailAddress, AdministratorDetails admin)
+        {
+            return HttpPut<AdministratorDetails, AdministratorResult>(
+                AdminsUrl, new NameValueCollection {{ "email", emailAddress }},
+                admin).EmailAddress;
+        }
+
+        public void Delete(string emailAddress)
+        {
+            HttpDelete(AdminsUrl, new NameValueCollection {{"email", emailAddress}});
+        }
+    }
+}

createsend-netstandard/AuthenticationDetails.cs

@@ -0,0 +1,82 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace createsend_dotnet
+{
+    public abstract class AuthenticationDetails { }
+
+    public class OAuthAuthenticationDetails : AuthenticationDetails
+    {
+        public string AccessToken { get; set; }
+        public string RefreshToken { get; set; }
+
+        public OAuthAuthenticationDetails(
+            string accessToken,
+            string refreshToken)
+        {
+            AccessToken = accessToken;
+            RefreshToken = refreshToken;
+        }
+    }
+
+    public class ApiKeyAuthenticationDetails : AuthenticationDetails
+    {
+        public string ApiKey { get; set; }
+
+        public ApiKeyAuthenticationDetails(string apiKey)
+        {
+            ApiKey = apiKey;
+        }
+    }
+
+    internal sealed class ClientApiKey : ApiKeyAuthenticationDetails
+    {
+        public ClientApiKey(string apiKey) : base(apiKey)
+        {
+
+        }
+    }
+
+    internal sealed class AccountApiKey : ApiKeyAuthenticationDetails, IProvideClientId
+    {
+        public string ClientId { get; private set; }
+        public AccountApiKey(string apiKey, string clientId = null) : base(apiKey)
+        {
+            ClientId = clientId;
+        }
+    }
+
+    internal sealed class OAuthWithClientId : OAuthAuthenticationDetails, IProvideClientId
+    {
+        public string ClientId { get; private set; }
+        public OAuthWithClientId(
+            string accessToken,
+            string refreshToken, 
+            string clientId) : base(accessToken, refreshToken)
+        {
+            if(clientId == null) throw new ArgumentNullException("clientId");
+
+            ClientId = clientId;
+        }
+    }
+
+    public interface IProvideClientId
+    {
+        string ClientId { get; }
+    }
+
+    public class BasicAuthAuthenticationDetails : AuthenticationDetails
+    {
+        public string Username { get; set; }
+        public string Password { get; set; }
+
+        public BasicAuthAuthenticationDetails(
+            string username,
+            string password)
+        {
+            Username = username;
+            Password = password;
+        }
+    }
+}