go-podcast-proxy/handle-feed.go

package main

import (
    "net/http"
    "log"
    "fmt"
)

func (ctx *ServerContext) HandleFeed(w http.ResponseWriter, req *http.Request) error {
    ctx.WG.Add(1)
    defer ctx.WG.Done()
    name := req.URL.Path
    name = name[len(name)-6:]
    log.Println("requesting feed <", name, ">")
    
    ctx.FeedCache.Lock()
    defer ctx.FeedCache.Unlock()
    if e, has := ctx.FeedCache.Texts[name]; has {
        w.Header().Set("Content-Type", "application/rss+json")
        fmt.Fprintf(w, e)
    } else {
        http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
        return nil
    }
    return nil
}