memos/server/rss.go

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package server
import (
"net/http"
"strconv"
"time"
"github.com/gorilla/feeds"
"github.com/labstack/echo/v4"
"github.com/usememos/memos/api"
)
func (s *Server) registerRSSRoutes(g *echo.Group) {
g.GET("/u/:id/rss.xml", func(c echo.Context) error {
ctx := c.Request().Context()
id, err := strconv.Atoi(c.Param("id"))
if err != nil {
return echo.NewHTTPError(http.StatusBadRequest, "User id is not a number").SetInternal(err)
}
normalStatus := api.Normal
memoFind := api.MemoFind{
CreatorID: &id,
RowStatus: &normalStatus,
VisibilityList: []api.Visibility{
api.Public,
},
}
memoList, err := s.Store.FindMemoList(ctx, &memoFind)
if err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, "Failed to find memo list").SetInternal(err)
}
userFind := api.UserFind{
ID: &id,
}
user, err := s.Store.FindUser(ctx, &userFind)
if err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, "Failed to find user").SetInternal(err)
}
baseURL := c.Scheme() + "://" + c.Request().Host
feed := &feeds.Feed{
Title: "Memos",
Link: &feeds.Link{Href: baseURL},
Description: "Memos",
Author: &feeds.Author{Name: user.Name},
Created: time.Now(),
}
feed.Items = make([]*feeds.Item, len(memoList))
for i, memo := range memoList {
feed.Items[i] = &feeds.Item{
Title: memo.Content,
Link: &feeds.Link{Href: baseURL + "/m/" + strconv.Itoa(memo.ID)},
Description: memo.Content,
Created: time.Unix(memo.CreatedTs, 0),
}
}
rss, err := feed.ToRss()
if err != nil {
return echo.NewHTTPError(http.StatusInternalServerError, "Failed to generate rss").SetInternal(err)
}
rssPrefix := `<?xml version="1.0" encoding="UTF-8"?>`
return c.XMLBlob(http.StatusOK, []byte(rss[len(rssPrefix):]))
})
}