fix: merge submodule 'Lab5'

Lab5/.editorconfig

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+root=true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_style = tab
+indent_size = 2 
+insert_final_newline = true 
+trim_trailing_whitespace = true
+
+[*.cs]
+indent_style = space
+indent_size = 4 
+

Lab5/.gitignore

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+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
+
+# User-specific files
+*.rsuser
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Mono auto generated files
+mono_crash.*
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+[Ww][Ii][Nn]32/
+[Aa][Rr][Mm]/
+[Aa][Rr][Mm]64/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+[Ll]ogs/
+
+# Visual Studio 2015/2017 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# Visual Studio 2017 auto generated files
+Generated\ Files/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUnit
+*.VisualState.xml
+TestResult.xml
+nunit-*.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# Benchmark Results
+BenchmarkDotNet.Artifacts/
+
+# .NET Core
+project.lock.json
+project.fragment.lock.json
+artifacts/
+
+# ASP.NET Scaffolding
+ScaffoldingReadMe.txt
+
+# StyleCop
+StyleCopReport.xml
+
+# Files built by Visual Studio
+*_i.c
+*_p.c
+*_h.h
+*.ilk
+*.meta
+*.obj
+*.iobj
+*.pch
+*.pdb
+*.ipdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*_wpftmp.csproj
+*.log
+*.tlog
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# Visual Studio Trace Files
+*.e2e
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# AxoCover is a Code Coverage Tool
+.axoCover/*
+!.axoCover/settings.json
+
+# Coverlet is a free, cross platform Code Coverage Tool
+coverage*.json
+coverage*.xml
+coverage*.info
+
+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# Note: Comment the next line if you want to checkin your web deploy settings,
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# NuGet Symbol Packages
+*.snupkg
+# The packages folder can be ignored because of Package Restore
+**/[Pp]ackages/*
+# except build/, which is used as an MSBuild target.
+!**/[Pp]ackages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/[Pp]ackages/repositories.config
+# NuGet v3's project.json files produces more ignorable files
+*.nuget.props
+*.nuget.targets
+
+# Nuget personal access tokens and Credentials
+# nuget.config
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+*.appx
+*.appxbundle
+*.appxupload
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!?*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+# Including strong name files can present a security risk
+# (https://github.com/github/gitignore/pull/2483#issue-259490424)
+#*.snk
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+ServiceFabricBackup/
+*.rptproj.bak
+
+# SQL Server files
+*.mdf
+*.ldf
+*.ndf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+*.rptproj.rsuser
+*- [Bb]ackup.rdl
+*- [Bb]ackup ([0-9]).rdl
+*- [Bb]ackup ([0-9][0-9]).rdl
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+node_modules/
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
+*.vbw
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# CodeRush personal settings
+.cr/personal
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
+
+# Tabs Studio
+*.tss
+
+# Telerik's JustMock configuration file
+*.jmconfig
+
+# BizTalk build output
+*.btp.cs
+*.btm.cs
+*.odx.cs
+*.xsd.cs
+
+# OpenCover UI analysis results
+OpenCover/
+
+# Azure Stream Analytics local run output
+ASALocalRun/
+
+# MSBuild Binary and Structured Log
+*.binlog
+
+# NVidia Nsight GPU debugger configuration file
+*.nvuser
+
+# MFractors (Xamarin productivity tool) working folder
+.mfractor/
+
+# Local History for Visual Studio
+.localhistory/
+
+# BeatPulse healthcheck temp database
+healthchecksdb
+
+# Backup folder for Package Reference Convert tool in Visual Studio 2017
+MigrationBackup/
+
+# Ionide (cross platform F# VS Code tools) working folder
+.ionide/
+
+# Fody - auto-generated XML schema
+FodyWeavers.xsd
+
+# VS Code files for those working on multiple tools
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+*.code-workspace
+
+# Local History for Visual Studio Code
+.history/
+
+# Windows Installer files from build outputs
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# JetBrains Rider
+.idea/
+*.sln.iml

Lab5/Lab5.Exercises.Register/Animal.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Lab5.Exercises.Register
+{
+    abstract class Animal
+    {
+        public int ID { get; set; }
+        public string Name { get; set; }
+        public string Breed { get; set; }
+        public DateTime BirthDate { get; set; }
+        public Gender Gender { get; set; }
+        public int Age
+        {
+            get
+            {
+                DateTime today = DateTime.Today;
+                int age = today.Year - this.BirthDate.Year;
+                if (this.BirthDate.Date > today.AddYears(-age))
+                {
+                    age--;
+                }
+                return age;
+            }
+        }
+        public Animal(int id, string name, string breed, DateTime birthDate, Gender gender)
+        {
+            this.ID = id;
+            this.Name = name;
+            this.Breed = breed;
+            this.BirthDate = birthDate;
+            this.Gender = gender;
+        }
+        public override bool Equals(object other)
+        {
+            return this.ID == ((Animal)other).ID;
+        }
+        public override int GetHashCode()
+        {
+            return this.ID.GetHashCode();
+        }
+        public int CompareTo(Animal other)
+        {
+            int result = this.Breed.CompareTo(other.Breed);
+            if (result == 0)
+            {
+                return this.Gender.CompareTo(other.Gender);
+            }
+            return result;
+        }
+    }
+}

Lab5/Lab5.Exercises.Register/Animals.csv

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+DOG;123;Reksas;Buldogas;2014-01-01;Male;true
+DOG;124;Margis;Dalmantinas;2014-02-28;Male;false
+DOG;125;Bitė;Senbernaras;2008-07-17;Female;false
+DOG;320;Rikis;Taksas;2012-01-07;Male;true
+DOG;123;Reksas;Buldogas;2014-01-01;Male;true
+DOG;415;Pifas;Taksas;2014-07-07;Male;true
+DOG;420;Markas;Dalmantinas;2013-02-28;Female;false
+DOG;123;Reksas;Buldogas;2014-01-01;Male;true
+CAT;987;Garfildas;Princas;2008-04-10;Male

Lab5/Lab5.Exercises.Register/AnimalsComparator.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Lab5.Exercises.Register
+{
+    class AnimalsComparator
+    {
+        public virtual int Compare(Animal a, Animal b)
+        {
+            return a.CompareTo(b);
+        }
+    }
+}

Lab5/Lab5.Exercises.Register/AnimalsComparatorByBirthDate.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Lab5.Exercises.Register
+{
+    class AnimalsComparatorByBirthDate : AnimalsComparator
+    {
+        public override int Compare(Animal a, Animal b)
+        {
+            int birthCompare = a.BirthDate.CompareTo(b.BirthDate);
+            if (birthCompare == 0)
+            {
+                return a.ID.CompareTo(b.ID);
+            }
+            else
+            {
+                return birthCompare;
+            }
+        }
+    }
+}

Lab5/Lab5.Exercises.Register/AnimalsComparatorByName.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Lab5.Exercises.Register
+{
+    class AnimalsComparatorByName : AnimalsComparator
+    {
+        public override int Compare(Animal a, Animal b)
+        {
+            int nameCompare = a.Name.CompareTo(b.Name);
+            if (nameCompare == 0)
+            {
+                return a.ID.CompareTo(b.ID);
+            } else
+            {
+                return nameCompare;
+            }
+        }
+    }
+}

Lab5/Lab5.Exercises.Register/AnimalsContainer.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Lab5.Exercises.Register
+{
+    class AnimalsContainer
+    {
+        private Animal[] animals;
+        private int Capacity;
+        public int Count { get; private set; }
+
+        public AnimalsContainer(int capacity = 16)
+        {
+            Capacity = capacity;
+            animals = new Animal[capacity];
+        }
+
+        public AnimalsContainer(AnimalsContainer container) : this(container.Capacity) //call another constructor
+        {
+            for (int i = 0; i < container.Count; i++)
+            {
+                Add(container.Get(i));
+            }
+        }
+
+        public void Add(Animal animal)
+        {
+            if (Count == Capacity)
+            {
+                EnsureCapacity(Capacity * 2);
+            }
+
+            animals[Count] = animal;
+            Count++;
+        }
+        public Animal Get(int index)
+        {
+            return animals[index];
+        }
+        public bool Contains(Animal animal)
+        {
+            for (int i = 0; i < Count; i++)
+            {
+                if (animals[i].Equals(animal))
+                {
+                    return true;
+                }
+            }
+            return false;
+        }
+
+        public void Put(int index, Animal animal)
+        {
+            animals[index] = animal;
+        }
+
+        public void Insert(int index, Animal animal)
+        {
+            if (Count == Capacity)
+            {
+                EnsureCapacity(Capacity * 2);
+            }
+            for (int i = Count+1; i > index; i--)
+            {
+                animals[i] = animals[i-1];
+            }
+            animals[index] = animal;
+            Count++;
+        }
+
+        public void RemoveAt(int index)
+        {
+            for (int i = index; i < Count; i++)
+            {
+                animals[i] = animals[i + 1];
+            }
+            Count--;
+        }
+
+        public void Remove(Animal animal)
+        {
+            for (int i = 0; i < Count; i++)
+            {
+                if (animals[i].ID == animal.ID)
+                {
+                    RemoveAt(i);
+                    return;
+                }
+            }
+        }
+
+        private void EnsureCapacity(int minimumCapacity)
+        {
+            if (minimumCapacity > Capacity)
+            {
+                Animal[] animalsClone = new Animal[minimumCapacity];
+                for (int i = 0; i < Count; i++)
+                {
+                    animalsClone[i] = animals[i];
+                }
+                Capacity = minimumCapacity;
+                animals = animalsClone;
+            }
+        }
+
+        public void Sort(AnimalsComparator comparator)
+        {
+            bool flag = true;
+            while (flag)
+            {
+                flag = false;
+                for (int i = 0; i < this.Count - 1; i++)
+                {
+                    Animal a = this.animals[i];
+                    Animal b = this.animals[i + 1];
+                    if (comparator.Compare(a, b) > 0)
+                    {
+                        this.animals[i] = b;
+                        this.animals[i + 1] = a;
+                        flag = true;
+                    }
+                }
+            }
+        }
+
+        public void Sort()
+        {
+            Sort(new AnimalsComparator());
+        }
+
+        public AnimalsContainer Intersect(AnimalsContainer other)
+        {
+            AnimalsContainer result = new AnimalsContainer();
+            for (int i = 0; i < Count; i++)
+            {
+                Animal current = animals[i];
+                if (other.Contains(current))
+                {
+                    result.Add(current);
+                }
+            }
+            return result;
+        }
+
+
+
+    }
+
+}

Lab5/Lab5.Exercises.Register/Cat.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Lab5.Exercises.Register
+{
+    class Cat : VaccinatedAnimal
+    {
+        private const int VaccinationDurationMonths = 6;
+        public Cat(int id, string name, string breed, DateTime birthDate, Gender gender) : base(id, name, breed, birthDate, gender)
+        {
+        }
+        public override bool RequiresVaccination
+        {
+            get
+            {
+                if (this.LastVaccinationDate.Equals(DateTime.MinValue))
+                {
+                    return true;
+                }
+                return LastVaccinationDate.AddMonths(VaccinationDurationMonths)
+               .CompareTo(DateTime.Now) < 0;
+            }
+        }
+    }
+}

Lab5/Lab5.Exercises.Register/Dog.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Lab5.Exercises.Register
+{
+    class Dog : VaccinatedAnimal
+    {
+        private const int VaccinationDuration = 1;
+        public bool Aggresive { get; set; }
+        public Dog(int id, string name, string breed, DateTime birthDate, Gender gender, bool aggresive) : base(id, name, breed, birthDate, gender)
+        {
+            this.Aggresive = aggresive;
+        }
+        public override bool RequiresVaccination
+        {
+            get
+            {
+                if (LastVaccinationDate.Equals(DateTime.MinValue))
+                {
+                    return true;
+                }
+                return LastVaccinationDate.AddYears(VaccinationDuration).CompareTo(DateTime.Now) < 0;
+            }
+        }
+    }
+}

Lab5/Lab5.Exercises.Register/Gender.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Lab5.Exercises.Register
+{
+    enum Gender
+    {
+        Male = 1,
+        Female = 2,
+    }
+}

Lab5/Lab5.Exercises.Register/InOutUtils.cs

@@ -0,0 +1,153 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+
+namespace Lab5.Exercises.Register
+{
+    class InOutUtils
+    {
+        public static List<Vaccination> ReadVaccinations(string fileName)
+        {
+            List<Vaccination> Vaccinations = new List<Vaccination>();
+            string[] Lines = File.ReadAllLines(fileName);
+            foreach (string line in Lines)
+            {
+                string[] values = line.Split(';');
+                int id = int.Parse(values[0]);
+                DateTime vaccinationDate = DateTime.Parse(values[1]);
+                Vaccination v = new Vaccination(id, vaccinationDate);
+                Vaccinations.Add(v);
+            }
+            return Vaccinations;
+        }
+
+        public static AnimalsContainer ReadAnimals(string fileName)
+        {
+            AnimalsContainer animals = new AnimalsContainer();
+            string[] lines = File.ReadAllLines(fileName, Encoding.UTF8);
+            foreach (string line in lines)
+            {
+                string[] values = line.Split(';');
+                string type = values[0];
+                int id = int.Parse(values[1]);
+                string name = values[2];
+                string breed = values[3];
+                DateTime birthDate = DateTime.Parse(values[4]);
+                Gender gender;
+                Enum.TryParse(values[5], out gender); //tries to convert value to enum
+                switch (type)
+                {
+                    case "DOG":
+                        bool aggresive = bool.Parse(values[6]);
+                        Dog dog = new Dog(id, name, breed, birthDate, gender, aggresive);
+                        animals.Add(dog);
+                        break;
+                    case "CAT":
+                        Cat cat = new Cat(id, name, breed, birthDate, gender);
+                        animals.Add(cat);
+                        break;
+                    default:
+                        break;//unknown type
+                }
+            }
+            return animals;
+        }
+
+        public static void PrintAnimals(Register register)
+        {
+            PrintAnimalsHeader();
+            for (int i = 0; i < register.AnimalsCount(); i++)
+            {
+                PrintAnimalsRow(register.GetByIndex(i));
+            }
+            PrintAnimalsFooter();
+        }
+
+        public static void PrintAnimals(List<Animal> animals)
+        {
+            PrintAnimalsHeader();
+            foreach (Animal animal in animals)
+            {
+                PrintAnimalsRow(animal);
+            }
+            PrintAnimalsFooter();
+        }
+
+        public static void PrintAnimals(AnimalsContainer container)
+        {
+            PrintAnimalsHeader();
+            for (int i = 0; i < container.Count; i++)
+            {
+                PrintAnimalsRow(container.Get(i));
+            }
+            PrintAnimalsFooter();
+        }
+
+        public static void PrintAnimals(string label, AnimalsContainer container)
+        {
+            PrintAnimalsHeader(label);
+            for (int i = 0; i < container.Count; i++)
+            {
+                PrintAnimalsRow(container.Get(i));
+            }
+            PrintAnimalsFooter();
+        }
+
+        private static void PrintAnimalsHeader()
+        {
+            Console.WriteLine(new string('-', 87));
+            Console.WriteLine("| {0,8} | {1,-15} | {2,-15} | {3,-12} | {4,-8} | {5,-10} |", "Reg.Nr.", "Vardas", "Veislė", "Gimimo data", "Lytis", "Agresyvus");
+            Console.WriteLine(new string('-', 87));
+        }
+
+        private static void PrintAnimalsHeader(string label)
+        {
+            Console.WriteLine(new string('-', 87));
+            Console.WriteLine("| {0,-70} |", label);
+            PrintAnimalsHeader();
+        }
+
+        private static void PrintAnimalsFooter()
+        {
+            Console.WriteLine(new string('-', 87));
+        }
+
+        private static void PrintAnimalsRow(Animal animal)
+        {
+            if (animal is Dog)
+            {
+                Dog dog = animal as Dog;
+                Console.WriteLine("| {0,8} | {1,-15} | {2,-15} | {3,-12:yyyy-MM-dd} | {4,-8} | {5,-10} |", dog.ID, dog.Name, dog.Breed, dog.BirthDate, dog.Gender, dog.Aggresive ? "taip" : "ne");
+            } else
+            {
+                Console.WriteLine("| {0,8} | {1,-15} | {2,-15} | {3,-12:yyyy-MM-dd} | {4,-8} | {5, -10} |", animal.ID, animal.Name, animal.Breed, animal.BirthDate, animal.Gender, "-");
+            }
+        }
+
+
+        public static void PrintAnimal(Animal animal)
+        {
+            Console.WriteLine("Vardas: {0}, Veislė: {1}, Amžius: {2}", animal.Name, animal.Breed, animal.Age);
+        }
+
+        public static void PrintBreeds(List<string> breeds)
+        {
+            foreach (string breed in breeds)
+            {
+                Console.WriteLine(breed);
+            }
+        }
+
+        public static void PrintDogsToCSVFile(string fileName, List<Animal> Animals)
+        {
+            string[] lines = new string[Animals.Count + 1];
+            lines[0] = String.Format("{0};{1};{2};{3};{4}", "Reg.Nr.", "Vardas", "Veislė", "Gimimo data", "Lytis");
+            for (int i = 0; i < Animals.Count; i++)
+            {
+                lines[i + 1] = String.Format("{0};{1};{2};{3};{4}", Animals[i].ID, Animals[i].Name, Animals[i].Breed, Animals[i].BirthDate, Animals[i].Gender);
+            }
+            File.WriteAllLines(fileName, lines, Encoding.UTF8);
+        }
+    }
+}

Lab5/Lab5.Exercises.Register/Lab5.Exercises.Register.csproj

@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp2.1</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <None Update="Animals.csv">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="Vaccinations.csv">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
+</Project>

Lab5/Lab5.Exercises.Register/Program.cs

@@ -0,0 +1,82 @@
+using System;
+using System.Collections.Generic;
+
+namespace Lab5.Exercises.Register
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {   
+            AnimalsContainer container = InOutUtils.ReadAnimals(@"Animals.csv");
+
+            Console.WriteLine("Registro informacija:");
+            container.Sort(new AnimalsComparatorByName());
+            InOutUtils.PrintAnimals(container);
+            Console.WriteLine();
+
+            container.Sort(new AnimalsComparatorByBirthDate());
+            InOutUtils.PrintAnimals(container);
+            Console.WriteLine();
+
+            /*
+            Console.WriteLine("Iš viso gyvūnų: {0}", register.AnimalsCount());
+            Console.WriteLine("Patinų: {0}", register.CountByGender(Gender.Male));
+            Console.WriteLine("Patelių: {0}", register.CountByGender(Gender.Female));
+            Console.WriteLine();
+            
+            Console.WriteLine("Gyvūnai kuriems reikia vakcinuotis:");
+            AnimalsContainer animalsThatNeedVaccination = register.FilterByVaccinationExpired();
+            InOutUtils.PrintDogs(animalsThatNeedVaccination);
+            Console.WriteLine();
+
+            string vaccinationBreed = "Taksas";
+            AnimalsContainer allAnimalsByBreed = register.FilterByBreed(vaccinationBreed);
+            Console.WriteLine("Gyvūnai kuriems reikia vakcinuotis ({0}):", vaccinationBreed);
+            InOutUtils.PrintDogs(allAnimalsByBreed.Intersect(animalsThatNeedVaccination));
+            Console.WriteLine();
+
+            Console.WriteLine("Registre yra agresyvių šunų kiekis: {0}", register.CountAggresiveDogs());
+            */
+
+            /*
+            Dog oldestDog = TaskUtils.FindOldestDog(register);
+            Console.WriteLine("Seniausias šuo:");
+            InOutUtils.PrintDog(oldestDog);
+            Console.WriteLine();
+
+            List<string> breeds = TaskUtils.FindBreeds(register);
+            Console.WriteLine("Šunų veislės:");
+            InOutUtils.PrintBreeds(breeds);
+            Console.WriteLine();
+
+            List<string> popularBreeds = TaskUtils.FindMostPopularBreeds(register);
+            Console.WriteLine("Populiariausios šunų veislės:");
+            InOutUtils.PrintBreeds(popularBreeds);
+            Console.WriteLine();
+
+            Console.WriteLine("Kokios veislės šunis atrinkti?");
+            string selectedBreed = Console.ReadLine().Trim();
+            if (selectedBreed.Equals(""))
+            {
+                Console.WriteLine("Šunio veislė neįvesta");
+                return;
+            }
+
+            List<Dog> filteredByBreed = TaskUtils.FilterByBreed(register, selectedBreed);
+            if (filteredByBreed.Count == 0)
+            {
+                Console.WriteLine("Šunų su veisle '{0}' nerasta", selectedBreed);
+                return;
+            }
+
+            Dog oldestFilteredDog = TaskUtils.FindOldestDog(filteredByBreed);
+            Console.WriteLine("Seniausias šuo pagal '{0}' veislę:", selectedBreed);
+            InOutUtils.PrintDog(oldestFilteredDog);
+            InOutUtils.PrintDogs(filteredByBreed);
+            string fileName = selectedBreed + ".csv";
+            InOutUtils.PrintDogsToCSVFile(fileName, filteredByBreed);
+            */
+
+        }
+    }
+}

Lab5/Lab5.Exercises.Register/Register.cs

@@ -0,0 +1,145 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Lab5.Exercises.Register
+{
+    class Register
+    {
+        private AnimalsContainer AllAnimals;
+        public Register()
+        {
+            AllAnimals = new AnimalsContainer();
+        }
+        public Register(AnimalsContainer Animals)
+        {
+            AllAnimals = new AnimalsContainer();
+            for (int i = 0; i < Animals.Count; i++)
+            {
+                this.AllAnimals.Add(Animals.Get(i));
+            }
+        }
+        public void Add(Animal animal)
+        {
+            AllAnimals.Add(animal);
+        }
+
+        public int AnimalsCount()
+        {
+            return AllAnimals.Count;
+        }
+
+        public Animal GetByIndex(int index)
+        {
+            return AllAnimals.Get(index);
+        }
+
+        public int CountByGender(Gender gender)
+        {
+            int count = 0;
+            for (int i = 0; i < AllAnimals.Count; i++)
+            {
+                Animal animal = AllAnimals.Get(i);
+                if (animal.Gender.Equals(gender))
+                {
+                    count++;
+                }
+            }
+            return count;
+        }
+
+        public Animal FindOldestAnimal()
+        {
+            return this.FindOldestAnimal(this.AllAnimals);
+        }
+
+        public AnimalsContainer FilterByBreed(string breed)
+        {
+            AnimalsContainer Filtered = new AnimalsContainer();
+            for (int i = 0; i < AllAnimals.Count; i++)
+            {
+                Animal animal = AllAnimals.Get(i);
+                if (animal.Breed.Equals(breed)) // uses string method Equals()
+                {
+                    Filtered.Add(animal);
+                }
+            }
+            return Filtered;
+        }
+
+        public Animal FindOldestAnimal(string breed)
+        {
+            AnimalsContainer Filtered = this.FilterByBreed(breed);
+            return this.FindOldestAnimal(Filtered);
+        }
+        private Animal FindOldestAnimal(AnimalsContainer Animals)
+        {
+            Animal oldest = Animals.Get(0);
+            for (int i = 1; i < Animals.Count; i++) //starts on index value 1
+            {
+                Animal animal = Animals.Get(i);
+                if (DateTime.Compare(oldest.BirthDate, animal.BirthDate) > 0)
+                {
+                    oldest = animal;
+                }
+            }
+            return oldest;
+        }
+        private Animal FindAnimalByID(int ID)
+        {
+            for (int i = 0; i < AllAnimals.Count; i++)
+            {
+                Animal animal = AllAnimals.Get(i);
+                if (animal.ID == ID)
+                {
+                    return animal;
+                }
+            }
+            return null;
+
+        }
+        public void UpdateVaccinationsInfo(List<Vaccination> Vaccinations)
+        {
+            foreach (Vaccination vaccination in Vaccinations)
+            {
+                VaccinatedAnimal animal = FindAnimalByID(vaccination.AnimalID) as VaccinatedAnimal;
+                if (animal != null && vaccination > animal.LastVaccinationDate)
+                {
+                    animal.LastVaccinationDate = vaccination.Date;
+                }
+            }
+        }
+
+        public AnimalsContainer FilterByVaccinationExpired()
+        {
+            AnimalsContainer Filtered = new AnimalsContainer();
+            for (int i = 0; i < AllAnimals.Count; i++)
+            {
+                VaccinatedAnimal animal = AllAnimals.Get(i) as VaccinatedAnimal;
+                if (animal != null && animal.RequiresVaccination)
+                {
+                    Filtered.Add(animal);
+                }
+            }
+            return Filtered;
+        }
+        public bool Contains(Animal animal)
+        {
+            return AllAnimals.Contains(animal);
+        }
+
+        public int CountAggresiveDogs()
+        {
+            int count = 0;
+            for (int i = 0; i < this.AllAnimals.Count; i++)
+            {
+                Animal animal = this.AllAnimals.Get(i);
+                if (animal is Dog && (animal as Dog).Aggresive)
+                {
+                    count++;
+                }
+            }
+            return count;
+        }
+    }
+}

Lab5/Lab5.Exercises.Register/VaccinatedAnimal.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Lab5.Exercises.Register
+{
+    abstract class VaccinatedAnimal : Animal
+    {
+        public DateTime LastVaccinationDate { get; set; }
+        public abstract bool RequiresVaccination { get; }
+
+        public VaccinatedAnimal(int id, string name, string breed, DateTime birthDate, Gender gender) : base(id, name, breed, birthDate, gender)
+        {
+        }
+    }
+}

Lab5/Lab5.Exercises.Register/Vaccination.cs

@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Lab5.Exercises.Register
+{
+    class Vaccination
+    {
+        public int AnimalID { get; set; }
+        public DateTime Date { get; set; }
+        public Vaccination(int animalID, DateTime date)
+        {
+            AnimalID = animalID;
+            Date = date;
+        }
+        public static bool operator <(Vaccination vaccination, DateTime date)
+        {
+            return vaccination.Date.CompareTo(date) < 0;
+        }
+        public static bool operator >(Vaccination vaccination, DateTime date)
+        {
+            return vaccination.Date.CompareTo(date) > 0;
+        }
+
+    }
+}

Lab5/Lab5.Exercises.Register/Vaccinations.csv

@@ -0,0 +1,6 @@
+123;2020-07-24
+124;2021-05-17
+421;2021-07-01
+125;2021-01-01
+320;2021-07-01
+320;2010-07-01

Lab5/Lab5.sln

@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.28307.1525
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lab5.Exercises.Register", "Lab5.Exercises.Register\Lab5.Exercises.Register.csproj", "{47BEC004-9D86-465A-9331-B525D8517FA5}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{47BEC004-9D86-465A-9331-B525D8517FA5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{47BEC004-9D86-465A-9331-B525D8517FA5}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{47BEC004-9D86-465A-9331-B525D8517FA5}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{47BEC004-9D86-465A-9331-B525D8517FA5}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {D84405CC-3FBE-4F67-A523-6B74D8647B83}
+	EndGlobalSection
+EndGlobal

Lab5/README.md

@@ -0,0 +1,6 @@
+# Lab5 example project
+
+This project is from the "Object oriented programming" course in KTU.
+
+It is not polished in any way, so don't expect anything from this.
+

Lab5/global.json

@@ -0,0 +1,5 @@
+{
+	"sdk": {
+		"version": "3.0.103"
+	}
+}