Add existing codebase

pkg/brainbuffer/appointment/in_memo_repo.go

@@ -0,0 +1,83 @@
+package appointment
+
+import (
+	"brainbuffer/pkg/brainbuffer/repository"
+	"time"
+)
+
+type inMemoryRepository struct {
+	db        map[int64]*Appointment
+	idCounter int64
+}
+
+func (repo *inMemoryRepository) Save(appointment *Appointment) error {
+	repo.idCounter++
+	appointment.ID = repo.idCounter
+	repo.db[repo.idCounter] = appointment
+
+	return nil
+}
+
+func (repo *inMemoryRepository) FindByID(id int64) (*Appointment, error) {
+	if v, ok := repo.db[id]; ok {
+		return v, nil
+	} else {
+		return nil, nil
+	}
+}
+
+func (repo *inMemoryRepository) GetAllByTask(taskId int64, page repository.Page) (Appointments, error) {
+	taskAppointments := make(Appointments, 0)
+
+	for _, val := range repo.db {
+		if val.TaskID == taskId {
+			taskAppointments = append(taskAppointments, val)
+		}
+	}
+
+	return taskAppointments, nil
+}
+
+func (repo *inMemoryRepository) GetAllByTasks(taskIds []int64, page repository.Page) (Appointments, error) {
+	taskAppointments := make(Appointments, 0)
+
+	for _, val := range repo.db {
+		if _, found := findInIntSlice(val.TaskID, taskIds); found {
+			taskAppointments = append(taskAppointments, val)
+		}
+	}
+
+	return taskAppointments, nil
+}
+
+func (repo *inMemoryRepository) GetAllByTasksBefore(taskIds []int64, beforeTime time.Time, page repository.Page) (Appointments, error) {
+	taskAppointments := make(Appointments, 0)
+
+	for _, val := range repo.db {
+		if _, found := findInIntSlice(val.TaskID, taskIds); found && val.Time.Before(beforeTime) {
+			taskAppointments = append(taskAppointments, val)
+		}
+	}
+
+	return taskAppointments, nil
+}
+
+func (repo *inMemoryRepository) DeleteAllByTask(taskId int64) error {
+	for id, v := range repo.db {
+		if v.TaskID == taskId {
+			delete(repo.db, id)
+		}
+	}
+
+	return nil
+}
+
+func findInIntSlice(val int64, slice []int64) (int, bool) {
+	for i, v := range slice {
+		if v == val {
+			return i, true
+		}
+	}
+
+	return -1, false
+}