Streams (#68)

streams/handler/handler.go

@@ -0,0 +1,31 @@
+package handler
+
+import (
+	"time"
+
+	"github.com/micro/micro/v3/service/errors"
+	"github.com/micro/micro/v3/service/events"
+	"gorm.io/gorm"
+)
+
+var (
+	TokenTTL          = time.Minute
+	ErrMissingTopic   = errors.BadRequest("MISSING_TOPIC", "Missing topic")
+	ErrMissingToken   = errors.BadRequest("MISSING_TOKEN", "Missing token")
+	ErrMissingMessage = errors.BadRequest("MISSING_MESSAGE", "Missing message")
+	ErrInvalidToken   = errors.Forbidden("INVALID_TOKEN", "Invalid token")
+	ErrExpiredToken   = errors.Forbidden("EXPIRED_TOKEN", "Token expired")
+	ErrForbiddenTopic = errors.Forbidden("FORBIDDEN_TOPIC", "Token has not have permission to subscribe to this topic")
+)
+
+type Token struct {
+	Token     string `gorm:"primaryKey"`
+	Topic     string
+	ExpiresAt time.Time
+}
+
+type Streams struct {
+	DB     *gorm.DB
+	Events events.Stream
+	Time   func() time.Time
+}