public courses

Tsi1.Api/Tsi1.Api/Controllers/CourseController.cs

@@ -281,7 +281,22 @@ namespace Tsi1.Api.Controllers
         [HttpGet("GetById/{courseId}")]
         public async Task<IActionResult> GetById(int courseId)
         {
-            var result = await _courseService.GetById(courseId);
+            var userId = int.Parse(HttpContext.User.Claims.FirstOrDefault(x => x.Type == "Id").Value);
+            var myUserType = HttpContext.User.Claims.FirstOrDefault(x => x.Type == ClaimTypes.Role).Value;
+
+            int? studentId = null;
+            if (myUserType == UserTypes.Student)
+            {
+                var userResult = await _userService.GetById(userId);
+                if (userResult.HasError)
+                {
+                    return BadRequest(userResult.Message);
+                }
+
+                studentId = userResult.Data.Student.Id;
+            }
+
+            var result = await _courseService.GetById(courseId, studentId);
             if (result.HasError)
             {
                 return BadRequest(result.Message);

Tsi1.Api/Tsi1.BusinessLayer/Dtos/CourseDetailDto.cs

@@ -11,6 +11,7 @@ namespace Tsi1.BusinessLayer.Dtos
         public int TenantId { get; set; }
         public bool HasPassword { get; set; }
         public string Password { get; set; }
+        public bool IsPublic { get; set; }
         public List<SectionDetailDto> Sections { get; set; }
     }
 }

Tsi1.Api/Tsi1.BusinessLayer/Dtos/StudentPreviewDto.cs

@@ -6,6 +6,7 @@ namespace Tsi1.BusinessLayer.Dtos
 {
     public class StudentPreviewDto
     {
+        public int Id { get; set; }
         public string IdentityCard { get; set; }
     }
 }

Tsi1.Api/Tsi1.BusinessLayer/Helpers/ErrorMessages.cs

@@ -36,6 +36,7 @@ namespace Tsi1.BusinessLayer.Helpers
         public const string CourseIsTemplate = "El curso con id '{0}' es un template";
         public const string CourseHasNoStudents = "El curso con id '{0}' no tiene estudiantes";
         public const string CourseInvalidPassword = "Clave de matriculación incorrecta para el curso {0}";
+        public const string CourseIsNotPublic = "El curso {0} no es publico";
 
         public const string TenantDoesNotExist = "La Facultad '{0}' no existe";
         public const string DuplicateTenantName = "Ya existe una Facultad con nombre '{0}'";

Tsi1.Api/Tsi1.BusinessLayer/Interfaces/ICourseService.cs

@@ -26,7 +26,7 @@ namespace Tsi1.BusinessLayer.Interfaces
 
         Task<ServiceResult<bool>> RemoveProfessorToCourse(ProfessorCourseDto professorCourseDto);
         Task<ServiceResult<List<UserPreviewDto>>> GetProfessors(int courseId);
-        Task<ServiceResult<CourseDetailDto>> GetById(int courseId);
+        Task<ServiceResult<CourseDetailDto>> GetById(int courseId, int? studentId = null);
         Task<ServiceResult<List<UserPreviewDto>>> GetStudents(int courseId);
     }
 }

Tsi1.Api/Tsi1.BusinessLayer/Services/CourseService.cs

@@ -410,7 +410,7 @@ namespace Tsi1.BusinessLayer.Services
             return result;
         }
 
-        public async Task<ServiceResult<CourseDetailDto>> GetById(int courseId)
+        public async Task<ServiceResult<CourseDetailDto>> GetById(int courseId, int? studentId = null)
         {
             var result = new ServiceResult<CourseDetailDto>();
 
@@ -433,6 +433,19 @@ namespace Tsi1.BusinessLayer.Services
                 return result;
             }
 
+            if (studentId != null)
+            {
+                var studentCourse = await _context.StudentCourses
+                        .FirstOrDefaultAsync(x => x.CourseId == courseId && x.StudentId == studentId);
+
+                if (studentCourse == null && !course.IsPublic)
+                {
+                    result.HasError = true;
+                    result.AddMessage(string.Format(ErrorMessages.CourseIsNotPublic, course.Name));
+                    return result;
+                } 
+            }
+
             result.Data = _mapper.Map<CourseDetailDto>(course);
 
             return result;

Tsi1.Api/Tsi1.DataLayer/Entities/Course.cs

@@ -22,6 +22,7 @@ namespace Tsi1.DataLayer.Entities
         public bool IsTemplate { get; set; }
         public bool HasPassword { get; set; }
         public string Password { get; set; }
+        public bool IsPublic { get; set; }
 
         public Tenant Tenant { get; set; }
         public ICollection<StudentCourse> StudentCourses { get; set; }

Tsi1.Api/Tsi1.DataLayer/Migrations/20201212211335_course-is-public.cs

+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace Tsi1.DataLayer.Migrations
+{
+    public partial class courseispublic : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<bool>(
+                name: "IsPublic",
+                table: "Courses",
+                nullable: false,
+                defaultValue: false);
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "IsPublic",
+                table: "Courses");
+        }
+    }
+}

Tsi1.Api/Tsi1.DataLayer/Migrations/Tsi1ContextModelSnapshot.cs

@@ -157,6 +157,9 @@ namespace Tsi1.DataLayer.Migrations
                     b.Property<bool>("HasPassword")
                         .HasColumnType("boolean");
 
+                    b.Property<bool>("IsPublic")
+                        .HasColumnType("boolean");
+
                     b.Property<bool>("IsTemplate")
                         .HasColumnType("boolean");