92 lines
2.6 KiB
Plaintext
92 lines
2.6 KiB
Plaintext
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@startuml sequence-enrollment
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!theme plain
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skinparam sequenceMessageAlign center
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skinparam responseMessageBelowArrow true
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skinparam sequenceParticipantBackgroundColor #F8F9FA
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skinparam sequenceParticipantBorderColor #495057
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title Secuencia: Inscripción de Estudiante en Materia
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actor "Estudiante" as user
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participant "Frontend\n(Angular)" as frontend
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participant "API GraphQL\n(HotChocolate)" as api
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participant "EnrollStudentHandler" as handler
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participant "EnrollmentDomainService" as domainService
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participant "StudentRepository" as studentRepo
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participant "SubjectRepository" as subjectRepo
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participant "EnrollmentRepository" as enrollRepo
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database "SQL Server" as db
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== Solicitud de Inscripción ==
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user -> frontend : Selecciona materia\ny hace clic en "Inscribir"
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activate frontend
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frontend -> api : mutation enrollStudent(\n studentId, subjectId)
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activate api
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api -> handler : Handle(EnrollStudentCommand)
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activate handler
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== Obtención de Datos ==
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handler -> studentRepo : GetByIdWithEnrollmentsAsync(studentId)
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activate studentRepo
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studentRepo -> db : SELECT Student + Enrollments
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db --> studentRepo : Student data
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studentRepo --> handler : Student
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deactivate studentRepo
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handler -> subjectRepo : GetByIdAsync(subjectId)
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activate subjectRepo
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subjectRepo -> db : SELECT Subject
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db --> subjectRepo : Subject data
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subjectRepo --> handler : Subject
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deactivate subjectRepo
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== Validación de Reglas de Negocio ==
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handler -> domainService : ValidateEnrollment(student, subject)
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activate domainService
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domainService -> domainService : CheckMaxEnrollments()\n[máx 3 materias]
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alt Estudiante tiene 3 materias
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domainService --> handler : throw MaxEnrollmentsExceededException
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handler --> api : Error: "Límite de materias alcanzado"
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api --> frontend : { errors: [...] }
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frontend --> user : Muestra mensaje de error
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end
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domainService -> domainService : CheckProfessorConstraint()\n[no repetir profesor]
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alt Ya tiene materia con el profesor
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domainService --> handler : throw SameProfessorConstraintException
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handler --> api : Error: "Ya tienes materia con este profesor"
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api --> frontend : { errors: [...] }
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frontend --> user : Muestra mensaje de error
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end
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domainService --> handler : Validación OK
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deactivate domainService
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== Persistencia ==
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handler -> enrollRepo : AddAsync(enrollment)
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activate enrollRepo
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enrollRepo -> db : INSERT Enrollment
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db --> enrollRepo : OK
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enrollRepo --> handler : Enrollment
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deactivate enrollRepo
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handler --> api : EnrollmentPayload
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deactivate handler
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api --> frontend : { enrollment: {...} }
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deactivate api
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frontend --> user : Muestra confirmación:\n"Inscrito en [materia]"
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deactivate frontend
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@enduml
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