Dump changes

pkg/brainbuffer/domain/task/service.go

@@ -0,0 +1,98 @@
+package task
+
+import (
+	"brainbuffer/pkg/brainbuffer/domain/appointment"
+	"brainbuffer/pkg/brainbuffer/domain/repository"
+	"brainbuffer/pkg/brainbuffer/domain/scheduling"
+	apperrors "brainbuffer/pkg/brainbuffer/infrastructure/errors"
+	"time"
+)
+
+type Service interface {
+	Create(task *Task) error
+	GetAllByUser(userId string, page repository.Page) (Tasks, error)
+	GetByID(id int64) (*Task, error)
+	DeleteByID(id int64) error
+}
+
+type defaultService struct {
+	repository         Repository
+	appointmentService appointment.Service
+}
+
+func NewService() Service {
+	return &defaultService{
+		repository:         NewRepository(),
+		appointmentService: appointment.NewService(),
+	}
+}
+
+func (serv *defaultService) GetByID(id int64) (*Task, error) {
+	task, err := serv.repository.FindByID(id)
+	if err != nil {
+		return nil, apperrors.UnknownError{Err: err}
+	}
+
+	if task == nil {
+		return nil, apperrors.NotFoundError{Message: "Task with given ID was not found."}
+	}
+
+	return task, err
+}
+
+func (serv *defaultService) Create(task *Task) error {
+	if len(task.SchedulingPatterns) != 0 {
+		nextTime, pattern, err := scheduling.Patterns(task.SchedulingPatterns).NextTime(time.Now())
+		if err != nil {
+			return apperrors.UnknownError{Err: err}
+		}
+
+		firstAppointment := appointment.Appointment{
+			ID:                0,
+			TaskID:            0,
+			CompletionStatus:  appointment.None,
+			SchedulingPattern: pattern,
+			PlannedTime:       *nextTime,
+			DurationOffset:    0,
+			CreationTime:      time.Now(),
+		}
+
+		taskId, err := serv.repository.Save(task)
+		if err != nil {
+			return apperrors.UnknownError{Err: err}
+		}
+
+		firstAppointment.TaskID = taskId
+
+		if err := serv.appointmentService.Create(&firstAppointment); err != nil {
+			return err
+		}
+	} else {
+		if _, err := serv.repository.Save(task); err != nil {
+			return apperrors.UnknownError{Err: err}
+		}
+	}
+
+	return nil
+}
+
+func (serv *defaultService) GetAllByUser(userId string, page repository.Page) (Tasks, error) {
+	tasks, err := serv.repository.FindAllByUser(userId, page)
+	if err != nil {
+		return nil, apperrors.UnknownError{Err: err}
+	}
+
+	return tasks, nil
+}
+
+func (serv *defaultService) DeleteByID(id int64) error {
+	if err := serv.appointmentService.DeleteAllByTask(id); err != nil {
+		return err
+	}
+
+	if err := serv.repository.DeleteByID(id); err != nil {
+		return apperrors.UnknownError{Err: err}
+	}
+
+	return nil
+}