From 80747f704e5150e3371f30dd3d94a13f52c42e93 Mon Sep 17 00:00:00 2001
From: moravcikj24 <moravcikj24@Z00T1-01>
Date: Tue, 19 Nov 2024 08:40:44 +0100
Subject: [PATCH] Linq - knihy final

---
 LINQ - kniha/Program.cs                       | 39 ++++++++++++++++---
 LINQ/Program.cs                               | 16 ++++++--
 .../AppsLab-033-NuGet.csproj                  |  4 ++
 src/AppsLab-033-NuGet/Program.cs              | 19 ++++++++-
 4 files changed, 67 insertions(+), 11 deletions(-)

diff --git a/LINQ - kniha/Program.cs b/LINQ - kniha/Program.cs
index 861fc317..56a7d6f7 100644
--- a/LINQ - kniha/Program.cs	
+++ b/LINQ - kniha/Program.cs	
@@ -1,4 +1,6 @@
-using System.Collections.Generic;
+using System.Collections;
+using System.Collections.Generic;
+using System.Runtime.ExceptionServices;
 
 namespace LINQ___kniha
 {
@@ -12,17 +14,42 @@ public static void Main(string[] args)
             new Kniha { Autor = "Anna Hruskova",RokVydania = 2009, JePreDeti = false },
             new Kniha { Autor = "Bob", RokVydania = 2022, JePreDeti = true },
             new Kniha { Autor = "Charlie", RokVydania = 2018, JePreDeti = true },
-            new Kniha { Autor = "Bob", RokVydania = 2020 , JePreDeti = false},
+            new Kniha { Autor = "Imrich", RokVydania = 2020 , JePreDeti = false},
+            new Kniha { Autor = "Imrich 2", RokVydania = 2020 , JePreDeti = false},
+            new Kniha { Autor = "Imrich 3", RokVydania = 2020 , JePreDeti = false},
             };
 
 
             List<Kniha> knihaJePreDeti = Knihy.Where(kniha => kniha.JePreDeti == true).ToList();
-            foreach (Kniha kniha in knihaJePreDeti)
+            List<Kniha> knihyOdNajstarsej = Knihy.OrderBy(kniha => kniha.RokVydania).ToList();
+            List<Kniha> kinhyOdNajmladsej = Knihy.OrderByDescending(kniha => kniha.RokVydania).ToList();
+            List<Kniha> knihyPreDetiOdNajstarsej = Knihy.Where(kniha => kniha.JePreDeti).OrderBy(kniha => kniha.RokVydania).ToList(); //!kniha = negacia cize False = True a naopak
+
+            var knihyPodlaRoku = Knihy.GroupBy(u => u.RokVydania).Select(grp => grp.ToList()).ToList();
+
+            Kniha Prvaknizaold = Knihy[0];
+            Kniha prvakniha = Knihy.Last();
+
+            foreach (List<Kniha> skupinka in knihyPodlaRoku)
+            {
+                Console.WriteLine($"Skupinka:");
+
+                foreach (Kniha kniha in skupinka)
+                {
+                    Console.WriteLine($" Autor: {kniha.Autor},{kniha.RokVydania}, {kniha.JePreDeti} je pre deti ");
+                }
+
+            }
+            Console.WriteLine();
+            var knihyPodlaRoku_IDictionary = Knihy.GroupBy(o => o.RokVydania).ToDictionary(g => g.Key, g => g.ToList());
+            foreach (var skupinka in knihyPodlaRoku_IDictionary)
             {
-                Console.WriteLine($" Autor: {kniha.Autor}, {kniha.RokVydania}. Je pre deti ? { kniha.JePreDeti}");
+                Console.WriteLine($"Skupinka {skupinka.Key}");
+                foreach (Kniha kniha in skupinka.Value)
+                {
+                    Console.WriteLine($" Autor: {kniha.Autor},{kniha.RokVydania}, {kniha.JePreDeti} je pre deti ");
+                }
             }
         }
-
-        
     }
 }
\ No newline at end of file
diff --git a/LINQ/Program.cs b/LINQ/Program.cs
index 19144d66..8b1cd48b 100644
--- a/LINQ/Program.cs
+++ b/LINQ/Program.cs
@@ -12,19 +12,29 @@ static void Main(string[] args)
             new Student { Name = "Charlie", Age = 18 }
             };
 
-            /* List<Student> tinedzeriStudenti_stary = new List<Student>();
+            
+            //Prehladavanie list, ziskali sme vsetkych studentov s menom Anna
+            List<Student> tinedzeriStudenti_stary = new List<Student>();
              foreach(Student student in students) 
              {
-                 if (student.Age < 20)
+                 if (student.Name.Contains("Anna"))
                  {
                      tinedzeriStudenti_stary.Add(student);
                  }
              }
-
+            /*
              List<Student> tinedzeristudenti = students.Where(student =>  student.Age < 20).ToList();
              foreach (Student student in tinedzeriStudenti_stary)
              {
                  Console.WriteLine($"Stary sposob: Student {student.Name} ma {student.Age} a je tinedzer");
+             }
+            List<Student> tinedzeriStudenti_stary = new List<Student>();
+             foreach(Student student in students) 
+             {
+                 if (student.Age < 20)
+                 {
+                     tinedzeriStudenti_stary.Add(student);
+                 }
              }*/
 
 
diff --git a/src/AppsLab-033-NuGet/AppsLab-033-NuGet.csproj b/src/AppsLab-033-NuGet/AppsLab-033-NuGet.csproj
index 14b7e5b8..df8821f8 100644
--- a/src/AppsLab-033-NuGet/AppsLab-033-NuGet.csproj
+++ b/src/AppsLab-033-NuGet/AppsLab-033-NuGet.csproj
@@ -8,4 +8,8 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+  </ItemGroup>
+
 </Project>
diff --git a/src/AppsLab-033-NuGet/Program.cs b/src/AppsLab-033-NuGet/Program.cs
index 3751555c..0aa83237 100644
--- a/src/AppsLab-033-NuGet/Program.cs
+++ b/src/AppsLab-033-NuGet/Program.cs
@@ -1,2 +1,17 @@
-// See https://aka.ms/new-console-template for more information
-Console.WriteLine("Hello, World!");
+using Newtonsoft.Json;
+using System;
+
+namespace AppsLab_033_NuGet
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            var person = new { Name = "Jano", Age = 25 };
+
+            string json = JsonConvert.SerializeObject(person, Formatting.Indented);
+
+            Console.WriteLine(json);
+        }
+    }
+}
\ No newline at end of file