RedAggressor · RedAggressor · Feb 22, 2024
diff --git a/HomeWork14/HomeWork14/HomeWork14.sln b/HomeWork14/HomeWork14/HomeWork14.sln
@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.8.34330.188
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HomeWork14", "HomeWork14\HomeWork14.csproj", "{DF0A9DBE-E8FD-4124-8E16-85303AE7F29F}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{DF0A9DBE-E8FD-4124-8E16-85303AE7F29F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{DF0A9DBE-E8FD-4124-8E16-85303AE7F29F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{DF0A9DBE-E8FD-4124-8E16-85303AE7F29F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{DF0A9DBE-E8FD-4124-8E16-85303AE7F29F}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {5E067C7F-01E4-4189-A2AF-BF9DD567A01F}
+	EndGlobalSection
+EndGlobal
diff --git a/HomeWork14/HomeWork14/HomeWork14/Calculator.cs b/HomeWork14/HomeWork14/HomeWork14/Calculator.cs
@@ -0,0 +1,32 @@
+namespace HomeWork14
+{
+    internal class Calculator
+    {
+        public event CalculatorHandler? calculatorHandler;
+
+        public int Caculate(int x, int y)
+        {
+            int result = WrapperMethod((a, b) => a + b, x, y);
+
+            calculatorHandler?.Invoke($"Sum nuber {x} + {y} = {result}");
+
+            return result;
+        }
+
+        private int WrapperMethod(Func<int, int, int> func, int x, int y)
+        {
+            int result = 0;
+
+            try
+            {
+                result = func(x, y);
+            }
+            catch (Exception ex)
+            {
+                calculatorHandler?.Invoke($"some error: {ex.Message}");
+            }
+
+            return result;
+        }
+    }
+}
diff --git a/HomeWork14/HomeWork14/HomeWork14/HomeWork14.csproj b/HomeWork14/HomeWork14/HomeWork14/HomeWork14.csproj
@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
diff --git a/HomeWork14/HomeWork14/HomeWork14/Program.cs b/HomeWork14/HomeWork14/HomeWork14/Program.cs
@@ -0,0 +1,19 @@
+namespace HomeWork14
+{
+    public delegate void CalculatorHandler(string message);
+
+    internal class Program
+    {
+        static void Main(string[] args)
+        {
+            Calculator calculator = new Calculator();
+
+            calculator.calculatorHandler += SendFirst.Send;
+
+            calculator.calculatorHandler += SendSecond.Send;
+
+            calculator.Caculate(10, 5);
+
+        }
+    }
+}
diff --git a/HomeWork14/HomeWork14/HomeWork14/SendFirst.cs b/HomeWork14/HomeWork14/HomeWork14/SendFirst.cs
@@ -0,0 +1,10 @@
+namespace HomeWork14
+{
+    internal class SendFirst
+    {
+        public static void Send(string message)
+        {
+            Console.WriteLine($"First message: {message}");
+        }
+    }
+}
diff --git a/HomeWork14/HomeWork14/HomeWork14/SendSecond.cs b/HomeWork14/HomeWork14/HomeWork14/SendSecond.cs
@@ -0,0 +1,10 @@
+namespace HomeWork14
+{
+    internal class SendSecond
+    {
+        public static void Send(string message)
+        {
+            Console.WriteLine($"Second message: {message}");
+        }
+    }
+}
diff --git a/HomeWork14/HomeWork14LINQ/HomeWork14LINQ.sln b/HomeWork14/HomeWork14LINQ/HomeWork14LINQ.sln
@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.8.34330.188
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HomeWork14LINQ", "HomeWork14LINQ\HomeWork14LINQ.csproj", "{03C7EBF5-BF77-4A3E-8E05-BAF8E06FE888}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{03C7EBF5-BF77-4A3E-8E05-BAF8E06FE888}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{03C7EBF5-BF77-4A3E-8E05-BAF8E06FE888}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{03C7EBF5-BF77-4A3E-8E05-BAF8E06FE888}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{03C7EBF5-BF77-4A3E-8E05-BAF8E06FE888}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {3D029F2D-389F-453B-AEF5-2555B68102FD}
+	EndGlobalSection
+EndGlobal
diff --git a/HomeWork14/HomeWork14LINQ/HomeWork14LINQ/Contact.cs b/HomeWork14/HomeWork14LINQ/HomeWork14LINQ/Contact.cs
@@ -0,0 +1,49 @@
+namespace HomeWork14LINQ
+{
+    public class Contact
+    {
+        public string Name { get; set; }
+        public int Age { get; set; }
+        public string Number { get; set; }
+
+        public static string GetName()
+        {
+            var listName = new List<string>
+            {
+                "Anton", "Valera", "Dima", "Dinis",
+                "Vitalic", "Oleg", "Maxim", "Vlad",
+                "Yaroslav", "Alex"
+            };
+
+            int rendomndex = new Random().Next(0, listName.Count);
+
+            string name = listName.ElementAt(rendomndex);
+
+            return name;
+        }
+
+        public static string GetNumber()
+        {
+            string shablon = $"+38({new Random().Next(100, 1000)})-{new Random().Next(100, 1000)}-{new Random().Next(10, 100)}-{new Random().Next(10, 100)}";
+            return shablon;
+        }
+
+        public static int GetAge()
+        {
+            return new Random().Next(1, 100);
+        }
+
+        public static void ShowContacts(List<Contact> contacts)
+        {
+            foreach (var contact in contacts)
+            {
+                Console.WriteLine($"Name: {contact.Name}, Age: {contact.Age}, Number: {contact.Number}");
+            }
+        }
+        public override string ToString()
+        {
+            return $"Name: {Name ?? "none"}, Age: {Age}, Number: {Number ?? "none"}";
+
+        }
+    }
+}
diff --git a/HomeWork14/HomeWork14LINQ/HomeWork14LINQ/HomeWork14LINQ.csproj b/HomeWork14/HomeWork14LINQ/HomeWork14LINQ/HomeWork14LINQ.csproj
@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
diff --git a/HomeWork14/HomeWork14LINQ/HomeWork14LINQ/Program.cs b/HomeWork14/HomeWork14LINQ/HomeWork14LINQ/Program.cs
@@ -0,0 +1,119 @@
+namespace HomeWork14LINQ
+{
+    internal class Program
+    {
+        static void Main(string[] args)
+        {
+            /*
+            Створіть список контактів і спробуйте всі основні методи LINQ
+            FirstOrDefault, Where, Select і ще 3
+            */
+
+            var listContacts = GetRandomContacts();
+
+            ShowBaseList(listContacts);
+
+            FirstOfDefaultContact(listContacts);
+
+            WhereAge(listContacts);
+
+            SelectName(listContacts);
+
+            OrderNameAge(listContacts);
+
+            FirstAge(listContacts);
+
+            TakeWhileAD(listContacts);
+        }
+
+        private static void TakeWhileAD(List<Contact> listContacts)
+        {
+            Console.WriteLine(".............TakeWhile...........Name [0] == A");
+
+            var takeWhileList = listContacts?.OrderBy(x => x.Name).TakeWhile(x => x.Name[0] == 'A' || x.Name[0] == 'D').ToList();
+
+            Contact.ShowContacts(takeWhileList);
+        }
+        private static void FirstAge(List<Contact> listContacts)
+        {
+            Console.WriteLine(".............First...........Age = 18");
+
+            var firstNameAge = new Contact();
+
+            try
+            {
+                firstNameAge = listContacts.First(y => y.Age == 18);
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine(ex.Message);
+            }
+
+            Console.WriteLine("First Age 18 = " + firstNameAge?.ToString());
+        }
+
+        private static void OrderNameAge(List<Contact> listContacts)
+        {
+            Console.WriteLine(".............OrderBy...........Name,Age");
+
+            var orderByList = listContacts.OrderBy(x => x.Name).ThenBy(x => x.Age).ToList();
+
+            Contact.ShowContacts(orderByList);
+        }
+
+        private static void SelectName(List<Contact> listContacts)
+        {
+            Console.WriteLine(".............Select...........Name");
+
+            var selectList = listContacts.Select(x => x.Number);
+
+            foreach (var number in selectList)
+            {
+                Console.WriteLine(number);
+            }
+        }
+
+        private static List<Contact> GetRandomContacts()
+        {
+            var listContacts = new List<Contact>();
+
+
+            for (int i = 0; i <= 10; i++)
+            {
+                listContacts.Add(new Contact()
+                {
+                    Name = Contact.GetName(),
+                    Number = Contact.GetNumber(),
+                    Age = Contact.GetAge()
+                });
+            }
+
+            return listContacts;
+        }
+
+        private static void ShowBaseList(List<Contact> listContacts)
+        {
+            Console.WriteLine(".............Base list...........");
+
+            Contact.ShowContacts(listContacts);
+        }
+
+        private static void FirstOfDefaultContact(List<Contact> listContacts)
+        {
+            Console.WriteLine(".............FirstOfDefault...........Name == Anton");
+
+            var firstOrDefaultList = listContacts?.FirstOrDefault(x => x.Name == "Anton");
+
+            Console.WriteLine("FirstOFDefault = " + (firstOrDefaultList?.ToString() ?? "Not finded Contact"));
+        }
+
+        private static void WhereAge(List<Contact> listContacts)
+        {
+            Console.WriteLine(".............Where...........Age >= 30");
+
+            var whereList = listContacts.Where(x => x.Age >= 30).ToList();
+
+            Contact.ShowContacts(whereList);
+        }
+    }
+}