Add meilisearch for user and event

Signed-off-by: Asai Neko <sugar@sne.moe>

service/user/checkin.go

@@ -21,7 +21,7 @@ func Checkin(c *gin.Context) {
 	// Get event id from query
 	eventIdOrig, ok := c.GetQuery("event_id")
 	if !ok {
-		c.JSON(403, gin.H{
+		c.JSON(400, gin.H{
 			"status": "undefinded event id",
 		})
 		return
@@ -33,6 +33,7 @@ func Checkin(c *gin.Context) {
 		c.JSON(500, gin.H{
 			"status": "error parsing string to uuid",
 		})
+		return
 	}
 	data.UpdateCheckin(userId.(uuid.UUID), eventId, time.Now())
 	c.JSON(200, gin.H{