added first controller and corresponding stored procedures.

api/src/DataAccess/DatabaseManager.cs

@@ -0,0 +1,16 @@
+using Dapper;
+using WinStudentGoalTracker.Api.Configuration;
+
+namespace WinStudentGoalTracker.DataAccess;
+
+public static class DatabaseManager
+{
+    static DatabaseManager()
+    {
+        DefaultTypeMap.MatchNamesWithUnderscores = true;
+    }
+
+    public static string ConnectionString =>
+        ConfigHelper.Configuration.GetConnectionString("DefaultConnection")
+        ?? throw new MissingFieldException("DefaultConnection not configured.");
+}

api/src/DataAccess/Models/DataTransferObjects/CreateStudentDto.cs

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+namespace WinStudentGoalTracker.DataAccess;
+
+public class CreateStudentDto
+{
+    public required int IdStudent { get; set; }
+    public int? IdProgram { get; set; }
+    public string? Identifier { get; set; }
+    public int? ProgramYear { get; set; }
+    public DateTime? EnrollmentDate { get; set; }
+    public DateTime? ExpectedGrad { get; set; }
+}

api/src/DataAccess/Models/DataTransferObjects/UpdateStudentDto.cs

@@ -0,0 +1,10 @@
+namespace WinStudentGoalTracker.DataAccess;
+
+public class UpdateStudentDto
+{
+    public int? IdProgram { get; set; }
+    public string? Identifier { get; set; }
+    public int? ProgramYear { get; set; }
+    public DateTime? EnrollmentDate { get; set; }
+    public DateTime? ExpectedGrad { get; set; }
+}

api/src/DataAccess/Models/DatabaseObjects/dbStudent.cs

@@ -0,0 +1,12 @@
+namespace WinStudentGoalTracker.DataAccess;
+
+public class dbStudent
+{
+    public required int IdStudent { get; set; }
+    public int? IdProgram { get; set; }
+    public string? Identifier { get; set; }
+    public int? ProgramYear { get; set; }
+    public DateTime? EnrollmentDate { get; set; }
+    public DateTime? ExpectedGrad { get; set; }
+    public DateTime? CreatedAt { get; set; }
+}

api/src/DataAccess/Repositories/StudentRepository.cs

@@ -0,0 +1,72 @@
+using System.Data;
+using Dapper;
+using MySql.Data.MySqlClient;
+
+namespace WinStudentGoalTracker.DataAccess;
+
+public class StudentRepository
+{
+    private IDbConnection Connection => new MySqlConnection(DatabaseManager.ConnectionString);
+
+    public async Task<IEnumerable<dbStudent>> GetAllAsync()
+    {
+        using var db = Connection;
+        return await db.QueryAsync<dbStudent>(
+            "sp_Student_GetAll",
+            commandType: CommandType.StoredProcedure);
+    }
+
+    public async Task<dbStudent?> GetByIdAsync(int idStudent)
+    {
+        using var db = Connection;
+        return await db.QuerySingleOrDefaultAsync<dbStudent>(
+            "sp_Student_GetById",
+            new { p_id_student = idStudent },
+            commandType: CommandType.StoredProcedure);
+    }
+
+    public async Task<dbStudent?> InsertAsync(CreateStudentDto dto)
+    {
+        using var db = Connection;
+        return await db.QuerySingleOrDefaultAsync<dbStudent>(
+            "sp_Student_Insert",
+            new
+            {
+                p_id_student = dto.IdStudent,
+                p_id_program = dto.IdProgram,
+                p_identifier = dto.Identifier,
+                p_program_year = dto.ProgramYear,
+                p_enrollment_date = dto.EnrollmentDate,
+                p_expected_grad = dto.ExpectedGrad
+            },
+            commandType: CommandType.StoredProcedure);
+    }
+
+    public async Task<bool> UpdateAsync(int idStudent, UpdateStudentDto dto)
+    {
+        using var db = Connection;
+        var rowsAffected = await db.ExecuteScalarAsync<int>(
+            "sp_Student_Update",
+            new
+            {
+                p_id_student = idStudent,
+                p_id_program = dto.IdProgram,
+                p_identifier = dto.Identifier,
+                p_program_year = dto.ProgramYear,
+                p_enrollment_date = dto.EnrollmentDate,
+                p_expected_grad = dto.ExpectedGrad
+            },
+            commandType: CommandType.StoredProcedure);
+        return rowsAffected > 0;
+    }
+
+    public async Task<bool> DeleteAsync(int idStudent)
+    {
+        using var db = Connection;
+        var rowsAffected = await db.ExecuteScalarAsync<int>(
+            "sp_Student_Delete",
+            new { p_id_student = idStudent },
+            commandType: CommandType.StoredProcedure);
+        return rowsAffected > 0;
+    }
+}