5 mlab

20230415.3/w230415/CinemaHall.cs

@@ -0,0 +1,22 @@
+namespace w230415_classes
+{
+    public class CinemaHall : Hall
+    {
+        public CinemaHall()
+        {
+            int iW = 10;
+            int iH = 3;
+            for (int iX = 0; iX < iW; iX++)
+            {
+                for (int iY = 0; iY < iH; iY++)
+                {
+                    HallPlaceList.Add(new HallPlace()
+                    {
+                        SeatPosition = iX,
+                        SeatRow = iY
+                    });
+                }
+            }
+        }
+    }
+}

20230415.3/w230415/Hall.cs

@@ -0,0 +1,104 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace w230415_classes
+{
+    public class Hall
+    {
+        public string Name { get; set; }
+
+        protected List<HallPlace> HallPlaceList { get; set; } = new List<HallPlace>();
+
+
+        /// <summary>
+        /// Read [R]
+        /// </summary>
+        /// <returns></returns>
+        public List<HallPlace> GetNotBookedPlaceList()
+        {
+            List<HallPlace> hpl = new List<HallPlace>();
+            foreach (var item in HallPlaceList)
+            {
+                if (item.FlagBooked) continue;
+                hpl.Add(item);
+            }
+            return hpl;
+        }
+
+        /// <summary>
+        /// Read [R]
+        /// </summary>
+        /// <param name="iRow"></param>
+        /// <param name="iPosition"></param>
+        /// <returns></returns>
+        public HallPlace? ReadPlace(int iRow, int iPosition)
+        {
+            var el = HallPlaceList.FirstOrDefault(hp => hp.SeatPosition == iPosition && hp.SeatRow == iRow);
+            return el;
+        }
+
+
+
+        /// <summary>
+        /// Update [U]
+        /// </summary>
+        /// <param name="iRow"></param>
+        /// <param name="iPosition"></param>
+        /// <returns></returns>
+        public bool BookPlace(int iRow, int iPosition)
+        {
+            var el = HallPlaceList.FirstOrDefault(hp => hp.SeatPosition == iPosition && hp.SeatRow == iRow);
+            if (el == null)
+            {
+                return false;
+            }
+            if (el.FlagBooked)
+            {
+                return false;
+            }
+            el.FlagBooked = true;
+            return true;
+        }
+
+        /// <summary>
+        /// Create [C]
+        /// </summary>
+        /// <param name="iRow"></param>
+        /// <param name="iPosition"></param>
+        /// <returns></returns>
+        public bool AddPlace(int iRow, int iPosition)
+        {
+            var el = HallPlaceList.FirstOrDefault(hp => hp.SeatPosition == iPosition && hp.SeatRow == iRow);
+            if (el != null)
+            {
+                return false;
+            }
+            HallPlaceList.Add(new HallPlace()
+            {
+                SeatPosition = iPosition,
+                SeatRow = iRow,
+            });
+            return true;
+        }
+
+        /// <summary>
+        /// Delete [D]
+        /// </summary>
+        /// <param name="iRow"></param>
+        /// <param name="iPosition"></param>
+        /// <returns></returns>
+        public bool DeletePlace(int iRow, int iPosition)
+        {
+            var el = HallPlaceList.FirstOrDefault(hp => hp.SeatPosition == iPosition && hp.SeatRow == iRow);
+            if (el == null)
+            {
+                return false;
+            }
+            return HallPlaceList.Remove(el);
+        }
+
+    }
+}

20230415.3/w230415/HallPlace.cs

@@ -0,0 +1,15 @@
+namespace w230415_classes
+{
+    public class HallPlace
+    {
+        public HallPlace()
+        {
+            Uid = Guid.NewGuid().ToString("N");
+        }
+
+        public string Uid { get; set; }
+        public int SeatPosition { get; set; }
+        public int SeatRow { get; set; }
+        public bool FlagBooked { get; set; }
+    }
+}

20230415.3/w230415/w230415.sln

@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.2.32616.157
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "w230415_classes", "w230415_classes.csproj", "{3B2A3797-78B5-42F6-9C7E-5F9F20838C3F}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{3B2A3797-78B5-42F6-9C7E-5F9F20838C3F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3B2A3797-78B5-42F6-9C7E-5F9F20838C3F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3B2A3797-78B5-42F6-9C7E-5F9F20838C3F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{3B2A3797-78B5-42F6-9C7E-5F9F20838C3F}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {819D4FAE-A124-443D-B564-39D533244A18}
+	EndGlobalSection
+EndGlobal

20230415.3/w230415/w230415_classes.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Folder Include="Intf\" />
+  </ItemGroup>
+
+</Project>

20230415.3/w230415_console/Program.cs

@@ -0,0 +1,21 @@
+using w230415_classes;
+
+namespace w230415_console
+{
+    internal class Program
+    {
+        static void Main(string[] args)
+        {
+            CinemaHall ch = new CinemaHall();
+            h_Process(ch);
+        }
+
+        private static void h_Process(CinemaHall ch)
+        {
+            foreach (var item in ch.GetNotBookedPlaceList())
+            {
+                Console.WriteLine($"{item.SeatRow}/{item.SeatPosition}: {item.Uid}");
+            }
+        }
+    }
+}

20230415.3/w230415_console/w230415_console.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\w230415\w230415_classes.csproj" />
+  </ItemGroup>
+
+</Project>