refactor and to go mod

server/web/api/viewed.go

@@ -0,0 +1,57 @@
+package api
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	sets "server/settings"
+)
+
+/*
+file index starts from 1
+*/
+
+// Action: set, rem, list
+type viewedReqJS struct {
+	requestI
+	*sets.Viewed
+}
+
+func viewed(c *gin.Context) {
+	var req viewedReqJS
+	err := c.ShouldBindJSON(&req)
+	if err != nil {
+		c.AbortWithError(http.StatusBadRequest, err)
+		return
+	}
+
+	switch req.Action {
+	case "set":
+		{
+			setViewed(req, c)
+		}
+	case "rem":
+		{
+			remViewed(req, c)
+		}
+	case "list":
+		{
+			listViewed(req, c)
+		}
+	}
+}
+
+func setViewed(req viewedReqJS, c *gin.Context) {
+	sets.SetViewed(req.Viewed)
+	c.Status(200)
+}
+
+func remViewed(req viewedReqJS, c *gin.Context) {
+	sets.RemViewed(req.Viewed)
+	c.Status(200)
+}
+
+func listViewed(req viewedReqJS, c *gin.Context) {
+	list := sets.ListViewed(req.Hash)
+	c.JSON(200, list)
+}