init project

internal/entity/event.go

@@ -0,0 +1,158 @@
+package entity
+
+import (
+	"database/sql/driver"
+	"errors"
+	"strings"
+	"time"
+)
+
+type Status string
+
+type Event struct {
+	ID          int64
+	Name        string
+	Description string
+	StartDate   time.Time
+	EndDate     time.Time
+	Location    string
+	Level       string
+	Included    StringArray `gorm:"type:text[]"`
+	Price       float64
+	Paid        bool
+	LocationID  *int64
+	Status      Status
+	CreatedAt   time.Time
+	UpdatedAt   time.Time
+	DeletedAt   *time.Time
+}
+
+type StringArray []string
+
+func (a StringArray) Value() (driver.Value, error) {
+	if a == nil {
+		return nil, nil
+	}
+
+	joined := "{" + strings.Join(a, ",") + "}"
+
+	return []byte(joined), nil
+}
+
+func (a *StringArray) Scan(src interface{}) error {
+	if src == nil {
+		*a = nil
+		return nil
+	}
+
+	srcStr, ok := src.(string)
+	if !ok {
+		return errors.New("failed to scan StringArray")
+	}
+
+	// Remove the curly braces and split the string into elements
+	if len(srcStr) < 2 || srcStr[0] != '{' || srcStr[len(srcStr)-1] != '}' {
+		return errors.New("invalid format for StringArray")
+	}
+	srcStr = srcStr[1 : len(srcStr)-1]
+
+	*a = strings.Split(srcStr, ",")
+
+	return nil
+}
+
+type EventSearch struct {
+	Name   string
+	Limit  int
+	Offset int
+}
+
+type EventList []*EventDB
+
+type EventDB struct {
+	Event
+}
+
+func (e *Event) ToEventDB() *EventDB {
+	return &EventDB{
+		Event: *e,
+	}
+}
+
+func (e *EventDB) ToEvent() *Event {
+	return &Event{
+		ID:          e.ID,
+		Name:        e.Name,
+		Description: e.Description,
+		StartDate:   e.StartDate,
+		EndDate:     e.EndDate,
+		Location:    e.Location,
+		Level:       e.Level,
+		Included:    e.Included,
+		Price:       e.Price,
+		Paid:        e.Paid,
+		LocationID:  e.LocationID,
+		CreatedAt:   e.CreatedAt,
+		UpdatedAt:   e.UpdatedAt,
+		Status:      e.Status,
+	}
+}
+
+func (e *EventList) ToEventList() []*Event {
+	var events []*Event
+	for _, event := range *e {
+		events = append(events, event.ToEvent())
+	}
+	return events
+}
+
+func (EventDB) TableName() string {
+	return "events"
+}
+
+func (o *EventDB) ToUpdatedEvent(req Event) {
+	if req.Name != "" {
+		o.Name = req.Name
+	}
+
+	if req.Description != "" {
+		o.Description = req.Description
+	}
+
+	if !req.StartDate.IsZero() {
+		o.StartDate = req.StartDate
+	}
+
+	if !req.EndDate.IsZero() {
+		o.EndDate = req.EndDate
+	}
+
+	if req.Location != "" {
+		o.Location = req.Location
+	}
+
+	if req.Level != "" {
+		o.Level = req.Level
+	}
+
+	if req.Included != nil && len(req.Included) > 0 {
+		o.Included = req.Included
+	}
+
+	if req.Price != 0 {
+		o.Price = req.Price
+	}
+
+	if req.LocationID != nil {
+		o.LocationID = req.LocationID
+	}
+
+	if req.Status != "" {
+		o.Status = req.Status
+	}
+}
+
+func (o *EventDB) SetDeleted() {
+	currentTime := time.Now()
+	o.DeletedAt = &currentTime
+}