feat(training): add InMemoryRepository for mocking

pkg/training/repository.go

@@ -0,0 +1,79 @@
+package training
+
+type TrainingRepository interface {
+	Create(training *Training) error
+	FindByID(id TrainingID) (*Training, error)
+	FindAll() ([]Training, error)
+	Update(id TrainingID, training *Training) error
+	Delete(id TrainingID) error
+}
+
+type InMemoryTrainingRepository struct {
+	trainings map[TrainingID]Training
+}
+
+func NewInMemoryTrainingRepository() *InMemoryTrainingRepository {
+	repo := &InMemoryTrainingRepository{
+		trainings: make(map[TrainingID]Training),
+	}
+
+	repo.Create(&Training{
+		Name: "Kubernetes",
+		Days: 2,
+	})
+	repo.Create(&Training{
+		Name: "Terraform",
+		Days: 1,
+	})
+	repo.Create(&Training{
+		Name: "RKE2",
+		Days: 1,
+	})
+	repo.Create(&Training{
+		Name: "GitHub Actions",
+		Days: 1,
+	})
+	repo.Create(&Training{
+		Name: "GitLab CI",
+		Days: 1,
+	})
+	repo.Create(&Training{
+		Name: "Prometheus",
+		Days: 2,
+	})
+
+	return repo
+}
+
+func (r *InMemoryTrainingRepository) Create(training *Training) error {
+	training.ID = NewTrainingID()
+	r.trainings[training.ID] = *training
+	return nil
+}
+
+func (r *InMemoryTrainingRepository) FindByID(id TrainingID) (*Training, error) {
+	training, ok := r.trainings[id]
+	if !ok {
+		return nil, ErrTrainingNotFound
+	}
+	return &training, nil
+}
+
+func (r *InMemoryTrainingRepository) FindAll() ([]Training, error) {
+
+	trainings := make([]Training, 0, len(r.trainings))
+	for _, training := range r.trainings {
+		trainings = append(trainings, training)
+	}
+	return trainings, nil
+}
+
+func (r *InMemoryTrainingRepository) Update(id TrainingID, training *Training) error {
+	r.trainings[id] = *training
+	return nil
+}
+
+func (r *InMemoryTrainingRepository) Delete(id TrainingID) error {
+	delete(r.trainings, id)
+	return nil
+}