3 files changed, 109 insertions, 0 deletions
diff --git a/Timeline/Models/Http/Common.cs b/Timeline/Models/Http/Common.cs
new file mode 100644
index 00000000..74959088
--- /dev/null
+++ b/Timeline/Models/Http/Common.cs
@@ -0,0 +1,51 @@
+namespace Timeline.Models.Http
+{
+    public class CommonResponse
+    {
+        public static class ErrorCodes
+        {
+            /// <summary>
+            /// Used when the model is invaid.
+            /// For example a required field is null.
+            /// </summary>
+            public const int InvalidModel = -100;
+        }
+
+        public static CommonResponse InvalidModel(string message)
+        {
+            return new CommonResponse(ErrorCodes.InvalidModel, message);
+        }
+
+        public CommonResponse()
+        {
+
+        }
+
+        public CommonResponse(int code, string message)
+        {
+            Code = code;
+            Message = message;
+        }
+
+        public int Code { get; set; }
+        public string Message { get; set; }
+    }
+
+    public static class CommonPutResponse
+    {
+        public const int CreatedCode = 0;
+        public const int ModifiedCode = 1;
+
+        public static CommonResponse Created { get; } = new CommonResponse(CreatedCode, "A new item is created.");
+        public static CommonResponse Modified { get; } = new CommonResponse(ModifiedCode, "An existent item is modified.");
+    }
+
+    public static class CommonDeleteResponse
+    {
+        public const int DeletedCode = 0;
+        public const int NotExistsCode = 1;
+
+        public static CommonResponse Deleted { get; } = new CommonResponse(DeletedCode, "An existent item is deleted.");
+        public static CommonResponse NotExists { get; } = new CommonResponse(NotExistsCode, "The item does not exist.");
+    }
+}
diff --git a/Timeline/Models/Http/Token.cs b/Timeline/Models/Http/Token.cs
new file mode 100644
index 00000000..cef679ef
--- /dev/null
+++ b/Timeline/Models/Http/Token.cs
@@ -0,0 +1,32 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace Timeline.Models.Http
+{
+    public class CreateTokenRequest
+    {
+        [Required]
+        public string Username { get; set; }
+        [Required]
+        public string Password { get; set; }
+        // in days, optional
+        [Range(1, 365)]
+        public int? ExpireOffset { get; set; }
+    }
+
+    public class CreateTokenResponse
+    {
+        public string Token { get; set; }
+        public UserInfo User { get; set; }
+    }
+
+    public class VerifyTokenRequest
+    {
+        [Required]
+        public string Token { get; set; }
+    }
+
+    public class VerifyTokenResponse
+    {
+        public UserInfo User { get; set; }
+    }
+}
diff --git a/Timeline/Models/Http/User.cs b/Timeline/Models/Http/User.cs
new file mode 100644
index 00000000..1de7fae2
--- /dev/null
+++ b/Timeline/Models/Http/User.cs
@@ -0,0 +1,26 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace Timeline.Models.Http
+{
+    public class UserPutRequest
+    {
+        [Required]
+        public string Password { get; set; }
+        [Required]
+        public bool Administrator { get; set; }
+    }
+
+    public class UserPatchRequest
+    {
+        public string Password { get; set; }
+        public bool? Administrator { get; set; }
+    }
+
+    public class ChangePasswordRequest
+    {
+        [Required]
+        public string OldPassword { get; set; }
+        [Required]
+        public string NewPassword { get; set; }
+    }
+}