Function ViewFeed

feed.go:24–125

(app *App, w http.ResponseWriter, req *http.Request)

)

func ViewFeed(app *App, w http.ResponseWriter, req *http.Request) error {
	alias := collectionAliasFromReq(req)

	// Display collection if this is a collection
	var c *Collection
	var err error
	if app.cfg.App.SingleUser {
		c, err = app.db.GetCollectionByID(1)
	} else {
		c, err = app.db.GetCollection(alias)
	}
	if err != nil {
		return nil
	}

	silenced, err := app.db.IsUserSilenced(c.OwnerID)
	if err != nil {
		log.Error("view feed: get user: %v", err)
		return ErrInternalGeneral
	}
	if silenced {
		return ErrCollectionNotFound
	}
	c.hostName = app.cfg.App.Host

	if c.IsPrivate() || c.IsProtected() {
		return ErrCollectionNotFound
	}

	// Fetch extra data about the Collection
	// TODO: refactor out this logic, shared in collection.go:fetchCollection()
	coll := &DisplayCollection{CollectionObj: &CollectionObj{Collection: *c}}
	if c.PublicOwner {
		u, err := app.db.GetUserByID(coll.OwnerID)
		if err != nil {
			// Log the error and just continue
			log.Error("Error getting user for collection: %v", err)
		} else {
			coll.Owner = u
		}
	}

	tag := mux.Vars(req)["tag"]
	if tag != "" {
		coll.Posts, _ = app.db.GetPostsTagged(app.cfg, c, tag, 1, false)
	} else {
		coll.Posts, _ = app.db.GetPosts(app.cfg, c, 1, false, true, false, "")
	}

	author := ""
	if coll.Owner != nil {
		author = coll.Owner.Username
	}

	collectionTitle := coll.DisplayTitle()
	if tag != "" {
		collectionTitle = tag + " — " + collectionTitle
	}