create mock data API

Author: ferrywlto

Controllers/HomeController.cs

@@ -13,5 +13,24 @@ public IActionResult Index()
         {
             return View();
         }
+
+        [Route("initialMessages")]
+        public JsonResult initialMessages(){
+            var initialMessages = FakeMessageStore.FakeMessages.OrderByDescending(m => m.Date)
+            .Take(2);
+
+            var initialValues = new ClientState(){
+                Messages = initialMessages,
+                LastFetchedMessageDate = initialMessages.Last().Date
+            };
+
+            return Json(initialValues);
+        }
+
+        [Route("fetchMessages")]
+        public JsonResult FetchMessages(DateTime lastFetchedMessageDate){
+            return Json(FakeMessageStore.FakeMessages.OrderByDescending(m => m.Date)
+            .SkipWhile(m => m.Date >= lastFetchedMessageDate).Take(1));
+        }
     }
 }

Models/ClientState.cs

@@ -0,0 +1,10 @@
+using Newtonsoft.Json;
+using System;
+using System.Collections.Generic;
+public class ClientState{
+    [JsonProperty(PropertyName = "messages")]
+    public IEnumerable<Message> Messages {get; set;}
+
+    [JsonProperty(PropertyName = "lastFetchedMessageDate")]
+    public DateTime LastFetchedMessageDate {get; set;}
+}

Models/FakeMessageStore.cs

@@ -0,0 +1,15 @@
+using System.Collections.Generic;
+using System;
+
+public class FakeMessageStore {
+    private static DateTime startDateTime = new DateTime(2017, 11, 24);
+
+    public static readonly List<Message> FakeMessages = new List<Message>(){
+        Message.CreateMessage("First message title", "First message text", startDateTime),
+        Message.CreateMessage("2nd msg title", "2nd msg txt", startDateTime.AddDays(1)),
+        Message.CreateMessage("3rd msg title", "3rd msg txt", startDateTime.AddDays(2)),
+        Message.CreateMessage("4th msg title", "4th msg txt", startDateTime.AddDays(3)),
+        Message.CreateMessage("5th msg title", "5th msg txt", startDateTime.AddDays(4)),
+        Message.CreateMessage("6th msg title", "6th msg txy", startDateTime.AddDays(5))
+    };
+}

Models/Message.cs

@@ -0,0 +1,22 @@
+using System;
+using Newtonsoft.Json;
+public class Message{
+    [JsonProperty(PropertyName="date")]
+    public DateTime Date {get; set;}
+
+    [JsonProperty(PropertyName="title")]
+    public string Title {get; set;}
+
+    [JsonProperty(PropertyName="text")]
+    public string Text {get; set;}
+
+    private Message() {}
+
+    public static Message CreateMessage(string title, string text, DateTime date){
+        return new Message(){
+            Title = title,
+            Text = text,
+            Date = date
+        };
+    }
+}