Batch25 inheritance and interface

Batch25/Assignments/ClassComment.txt

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+The project assignment given in class is due for submission on Wednesday and will be used to evaluate the students' performance. However, it has been observed that one of the students(Hassan) is struggling to understand the concepts and is finding it difficult to keep up.

Batch25/Assignments/assignment.txt

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+We developed a console-based registration portal for CLH, and the code has been zipped and shared in the Batch 25 WhatsApp group. 
+Students are expected to complete and submit it by Wednesday, January 22, 2025. Following this, they will begin working on their personal console applications,
+which they will present on Wednesday, January 29, 2025.
+
+https://github.com/codelearnershub/clhRegApp.git

Batch25/Comments/FridayAndMondayClassComment.txt

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+The project assignment given in class is due for submission on Wednesday and will be used to evaluate the students' performance. However, it has been observed that one of the students is struggling to understand the concepts and is finding it difficult to keep up.

Batch25/LessonMaterials/ClhApp/ClhApp.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

Batch25/LessonMaterials/ClhApp/ClhApp.sln

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+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.5.2.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ClhApp", "ClhApp.csproj", "{37C30F2E-8DB5-6FB4-EC6F-107B4BE53CC7}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{37C30F2E-8DB5-6FB4-EC6F-107B4BE53CC7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{37C30F2E-8DB5-6FB4-EC6F-107B4BE53CC7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{37C30F2E-8DB5-6FB4-EC6F-107B4BE53CC7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{37C30F2E-8DB5-6FB4-EC6F-107B4BE53CC7}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {2C9F1BCB-F648-4AAA-9D04-1E325BF6DE99}
+	EndGlobalSection
+EndGlobal

Batch25/LessonMaterials/ClhApp/Context/ClhAppContext.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using ClhApp.Models;
+
+namespace ClhApp.Context
+{
+    public class ClhAppContext
+    {
+        public static List<Batch> Batches = new List<Batch>()
+        {
+            new Batch(1, "Batch 19", DateTime.Parse("20/08/2023")),
+            new Batch(2, "Batch 20", DateTime.Parse("20/01/2024")),
+        };
+        public static List<Guardian> Guardians = new List<Guardian>();
+        public static List<Instructor> Instructors = new List<Instructor>();
+        public static List<Stack> Stacks = new List<Stack>()
+        {
+            new Stack(1,"C#","dotnet"),
+            new Stack(2,"python","machine language")
+        };
+        public static List<Staff> Staffs = new List<Staff>();
+        public static List<Student> Students = new List<Student>();
+        public static List<User> Users = new List<User>()
+        {
+            new User(1,"[email protected]","pass","clh_SuperAdmin")
+        };
+    }
+}

Batch25/LessonMaterials/ClhApp/Logic/Implementations/GuardianLogic.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using ClhApp.Context;
+using ClhApp.Logic.Interfaces;
+using ClhApp.Models;
+
+namespace ClhApp.Logic.Implementations
+{
+    public class GuardianLogic : IGuardianLogic
+    {
+        IUserLogic userLogic = new UserLogic();
+        public bool Create(string email, string password, string firstName, string lastName, string address, string phone)
+        {
+            var userExist = userLogic.UserExist(email);
+            if(userExist)
+            {
+                return false;
+            }
+
+            var user = new User(ClhAppContext.Users.Count + 1,email,password,"clh_guardian");
+            ClhAppContext.Users.Add(user);
+
+            var guardian = new Guardian(ClhAppContext.Guardians.Count+1,firstName,lastName,email,address,phone);
+            ClhAppContext.Guardians.Add(guardian);
+
+            return true;
+        }
+
+        public List<Guardian> GetAll()
+        {
+            return ClhAppContext.Guardians;
+        }
+
+        public Guardian? GetGuardianByEmail(string email)
+        {
+            foreach (Guardian guardian in ClhAppContext.Guardians)
+            {
+                if(guardian.Email == email)
+                {
+                    return guardian;
+                }
+            }
+            return null;
+        }
+    }
+}

Batch25/LessonMaterials/ClhApp/Logic/Implementations/StudentLogic.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using ClhApp.Context;
+using ClhApp.Logic.Interfaces;
+using ClhApp.Models;
+
+namespace ClhApp.Logic.Implementations
+{
+    public class StudentLogic : IStudentLogic
+    {
+        IUserLogic userLogic = new UserLogic();
+        IGuardianLogic guardianLogic = new GuardianLogic();
+        public bool Create(string email, string password, int batchId, int stackId, string firstName, string lastName, string address, string phone)
+        {
+            var exists = userLogic.UserExist(email);
+            if(exists)
+            {
+                return false;
+            }
+            var user = new User(ClhAppContext.Users.Count+1,email,password,"clh_student");
+
+
+            var loginUser = userLogic.GetCurrentLogginUser();
+            if(loginUser == null)
+            {
+                return false;
+            }
+            var guardian = guardianLogic.GetGuardianByEmail(loginUser.Email);
+            if(guardian == null)
+            {
+                return false;
+            }
+            var student = new Student(ClhAppContext.Students.Count+1,guardian.Id,batchId,stackId,firstName,lastName,GenAdminNum(),email,address,phone);
+
+            ClhAppContext.Users.Add(user);
+            ClhAppContext.Students.Add(student);
+            return true;
+        }
+
+        private string GenAdminNum()
+        {
+            return $"CLHH/{DateTime.Now.Year}/{new Random().Next(1000,9999)}";
+        }
+
+        public void Delete(int id)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Student Get(int id)
+        {
+            throw new NotImplementedException();
+        }
+
+        public List<Student> GetAll()
+        {
+            throw new NotImplementedException();
+        }
+
+        public Student Update(int batchId, int stackId, string firstName, string lastName, string address, string phone)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

Batch25/LessonMaterials/ClhApp/Logic/Implementations/UserLogic.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using ClhApp.Context;
+using ClhApp.Logic.Interfaces;
+using ClhApp.Models;
+
+namespace ClhApp.Logic.Implementations
+{
+    public class UserLogic : IUserLogic
+    {
+        public static User? CurrentUser = null;
+
+        public User? GetCurrentLogginUser()
+        {
+            return CurrentUser;
+        }
+
+        public User? Login(string email, string password)
+        {
+            foreach(User user in ClhAppContext.Users)
+            {
+                if(user.Email == email && user.Password == password)
+                {
+                    CurrentUser = user;
+                    return user;
+                }
+            }
+            return null;
+        }
+
+        public bool UserExist(string email)
+        {
+            foreach (var user in ClhAppContext.Users)
+            {
+                if(user.Email == email)
+                {
+                    return true;
+                }
+            }
+            return false;
+        }
+    }
+}

Batch25/LessonMaterials/ClhApp/Logic/Interfaces/IBatchLogic.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using ClhApp.Models;
+
+namespace ClhApp.Logic.Interfaces
+{
+    public interface IBatchLogic
+    {
+        public void Create(string name, DateTime resumptiondate);
+        public Batch Update(int id, DateTime resumptiondate);
+        public Batch? Get(int id);
+        public List<Batch> GetAll();
+        public void Delete(int id);
+    }
+}

Batch25/LessonMaterials/ClhApp/Logic/Interfaces/IGuardianLogic.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using ClhApp.Models;
+
+namespace ClhApp.Logic.Interfaces
+{
+    public interface IGuardianLogic
+    {
+        public bool Create(string email, string password, string firstName, string lastName, string address, string phone);
+        public Guardian? GetGuardianByEmail(string email);
+        public List<Guardian> GetAll();
+    }
+}

Batch25/LessonMaterials/ClhApp/Logic/Interfaces/IInstructorLogic.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace ClhApp.Logic.Interfaces
+{
+    public interface IInstructorLogic
+    {
+        public void Create(int staffId,int stackId);
+        public void Delete(int id);
+
+    }
+}

Batch25/LessonMaterials/ClhApp/Logic/Interfaces/IStackLogic.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using ClhApp.Models;
+using Microsoft.VisualBasic.FileIO;
+
+namespace ClhApp.Logic.Interfaces
+{
+    public interface IStackLogic
+    {
+        public void Create(string name, string description);
+        public Stack Update(int id,string name, string description);
+        public Stack Get(int id);
+        public List<Stack> GetAll();
+        public void Delete(int id);
+    }
+}

Batch25/LessonMaterials/ClhApp/Logic/Interfaces/IStaffLogic.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using ClhApp.Models;
+
+namespace ClhApp.Logic.Interfaces
+{
+    public interface IStaffLogic
+    {
+        public void Create(string fn, string ln, string email, string staffNumber, string address, string phone);
+        public Staff Get(int id);
+        public List<Staff> GetAll();
+        public Staff Update(string fn, string ln, string staffNumber, string address, string phone);
+        public void Delete(int id);
+    }
+}

Batch25/LessonMaterials/ClhApp/Logic/Interfaces/IStudentLogic.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using ClhApp.Models;
+
+namespace ClhApp.Logic.Interfaces
+{
+    public interface IStudentLogic
+    {
+        public bool Create(string email, string password, int batchId, int stackId, string firstName, string lastName, string address,string phone);
+        public Student Get(int id);
+        public List<Student> GetAll();
+        public Student Update(int batchId, int stackId, string firstName, string lastName,string address,string phone);
+        public void Delete(int id);
+    }
+}

Batch25/LessonMaterials/ClhApp/Logic/Interfaces/IUserLogic.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using ClhApp.Models;
+
+namespace ClhApp.Logic.Interfaces
+{
+    public interface IUserLogic
+    {
+        public User? Login(string email, string password);
+        public User? GetCurrentLogginUser();
+        public bool UserExist(string email);
+    }
+}