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https://github.com/writefreely/writefreely
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allow cache to be forcibly reset
Modify updateTimelineCache to allow a boolean to indicate that the cache should be forcibly reset
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parent
5ba0ea2b04
commit
3aa621ee36
1 changed files with 18 additions and 12 deletions
30
read.go
30
read.go
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@ -128,7 +128,7 @@ func (app *App) FetchPublicPosts() (interface{}, error) {
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}
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func viewLocalTimelineAPI(app *App, w http.ResponseWriter, r *http.Request) error {
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updateTimelineCache(app.timeline)
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updateTimelineCache(app.timeline, false)
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skip, _ := strconv.Atoi(r.FormValue("skip"))
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@ -156,24 +156,30 @@ func viewLocalTimeline(app *App, w http.ResponseWriter, r *http.Request) error {
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return showLocalTimeline(app, w, r, page, vars["author"], vars["tag"])
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}
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func updateTimelineCache(tl *localTimeline) {
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// Fetch posts if enough time has passed since last cache
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if tl.posts == nil || tl.m.Invalidate() {
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// updateTimelineCache will reset and update the cache if it is stale or
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// the boolean passed in is true.
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func updateTimelineCache(tl *localTimeline, reset bool) {
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if reset {
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tl.Reset()
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}
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// Fetch posts if the cache is empty, has been reset or enough time has
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// passed since last cache.
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if tl.posts == nil || reset || tl.m.Invalidate() {
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log.Info("[READ] Updating post cache")
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var err error
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var postsInterfaces interface{}
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postsInterfaces, err = tl.m.Get()
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postsInterfaces, err := tl.m.Get()
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if err != nil {
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log.Error("[READ] Unable to cache posts: %v", err)
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} else {
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castPosts := postsInterfaces.([]PublicPost)
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tl.posts = &castPosts
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}
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castPosts := postsInterfaces.([]PublicPost)
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tl.posts = &castPosts
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}
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}
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func showLocalTimeline(app *App, w http.ResponseWriter, r *http.Request, page int, author, tag string) error {
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updateTimelineCache(app.timeline)
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updateTimelineCache(app.timeline, false)
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pl := len(*(app.timeline.posts))
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ttlPages := int(math.Ceil(float64(pl) / float64(app.timeline.postsPerPage)))
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@ -286,7 +292,7 @@ func viewLocalTimelineFeed(app *App, w http.ResponseWriter, req *http.Request) e
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return impart.HTTPError{http.StatusNotFound, "Page doesn't exist."}
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}
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updateTimelineCache(app.timeline)
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updateTimelineCache(app.timeline, false)
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feed := &Feed{
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Title: app.cfg.App.SiteName + " Reader",
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