Added News Message Generator

EpicSharpCode · EpicSharpCode · commit 22ebdab99e68 · 2022-07-22T02:34:40.000+03:00
diff --git a/ObserverExample/News/NewsAgency.cs b/ObserverExample/News/NewsAgency.cs
@@ -23,7 +23,7 @@ public NewsAgency()
 
         public void MakeNewNews()
         {
-            newsMessages.Add(new NewsMessage("Car Arrived",$"Car with number {random.Next(0,999999).ToString("D6")} was arrived"));
+            newsMessages.Add(NewsMessageGenerator.GenerateNewsMessage());
             NewsRecieve(newsMessages.Last());
         }
 
diff --git a/ObserverExample/News/NewsMessageGenerator.cs b/ObserverExample/News/NewsMessageGenerator.cs
@@ -0,0 +1,48 @@
+﻿using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ObserverExample.News
+{
+    public static class NewsMessageGenerator
+    {
+        private static Random random = new Random();
+        public enum NewsType
+        {
+            CarArrive,
+            PeopleMerge,
+            PeopleArrived
+        }
+
+        public static List<string> cityLocations { get; private set; } = new List<string>()
+        {
+            "City Hall",
+            "Mall",
+            "Elementary School",
+            "College"
+        };
+
+        public static NewsMessage GenerateNewsMessage()
+        {
+            var newsType = (NewsType)random.Next(0, 3);
+            switch (newsType)
+            {
+                case NewsType.CarArrive:
+                    {
+                        return new NewsMessage("Car Arrived", $"Car with number {random.Next(0, 999999).ToString("D6")} was arrived to {cityLocations[random.Next(0,cityLocations.Count)]}");
+                    }
+                case NewsType.PeopleMerge:
+                    {
+                        return new NewsMessage("People Merge", $"{random.Next(0, 150)} was merged from the city");
+                    }
+                case NewsType.PeopleArrived:
+                    {
+                        return new NewsMessage("People Arrived", $"{random.Next(0, 250)} was arrived to the city");
+                    }
+            }
+            return null;
+        }
+    }
+}
diff --git a/ObserverExample/ObserverExample.csproj b/ObserverExample/ObserverExample.csproj
@@ -47,6 +47,7 @@
     <Compile Include="News\NewsAgency.cs" />
     <Compile Include="News\NewsEventArgs.cs" />
     <Compile Include="News\NewsMessage.cs" />
+    <Compile Include="News\NewsMessageGenerator.cs" />
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Subscribers\ISubscriber.cs" />
diff --git a/ObserverExample/Subscribers/Subscriber.cs b/ObserverExample/Subscribers/Subscriber.cs
@@ -31,7 +31,7 @@ public void Update(object sender, NewsEventArgs e)
         }
         public void Display(INewsMessage newsMessage)
         {
-            Console.WriteLine($"[{name}] {newsMessage.OutputMessage()}");
+            Console.WriteLine($"[{name}] get message: {newsMessage.OutputMessage()}");
         }
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -23,7 +23,7 @@ public NewsAgency()`
`23`	`23`
`24`	`24`	`public void MakeNewNews()`
`25`	`25`	`{`
`26`		`- newsMessages.Add(new NewsMessage("Car Arrived",$"Car with number {random.Next(0,999999).ToString("D6")} was arrived"));`
	`26`	`+ newsMessages.Add(NewsMessageGenerator.GenerateNewsMessage());`
`27`	`27`	`NewsRecieve(newsMessages.Last());`
`28`	`28`	`}`
`29`	`29`
Original file line number	Diff line number	Diff line change
`@@ -31,7 +31,7 @@ public void Update(object sender, NewsEventArgs e)`
`31`	`31`	`}`
`32`	`32`	`public void Display(INewsMessage newsMessage)`
`33`	`33`	`{`
`34`		`- Console.WriteLine($"[{name}] {newsMessage.OutputMessage()}");`
	`34`	`+ Console.WriteLine($"[{name}] get message: {newsMessage.OutputMessage()}");`
`35`	`35`	`}`
`36`	`36`	`}`
`37`	`37`	`}`