Impl magic login logic && checkin logic

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

service/checkin/checkin.go

@@ -0,0 +1,24 @@
+package checkin
+
+import (
+	"net/http"
+	"nixcn-cms/data"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+)
+
+func Checkin(ctx *gin.Context) {
+	data := new(data.User)
+	userId, ok := ctx.Get("user_id")
+	if !ok {
+		ctx.JSON(http.StatusUnauthorized, gin.H{
+			"status": "unauthorized",
+		})
+		return
+	}
+	data.SetCheckinState(userId.(uuid.UUID), true)
+	ctx.JSON(http.StatusOK, gin.H{
+		"status": "success",
+	})
+}