pogo/generate_rss.go

package main

import (
    "log"
    "fmt"
    "time"
    "io/ioutil"
    "strings"
    "github.com/gmemstr/feeds"
    "github.com/fsnotify/fsnotify"
)
func watch(){
    watcher, err := fsnotify.NewWatcher()
    if err != nil {
        log.Fatal(err)
    }
    defer watcher.Close()
    
    done := make(chan bool)
    go func() {
        for {
            select {
            case event := <-watcher.Events:
                log.Println("event:", event)
                if event.Op&fsnotify.Write == fsnotify.Write {
                    log.Println("modified file:", event.Name)
                    generate_rss()
                }
            case err := <-watcher.Errors:
                log.Println("error:", err)
            }
        }
    }()
    
    err = watcher.Add("podcasts/")
    if err != nil {
        log.Fatal(err)
    }
    <-done
}

func generate_rss(){
    now := time.Now()
    files, err := ioutil.ReadDir("podcasts")
    if err != nil {
        log.Fatal(err)
    }

    feed := &feeds.Feed{
        Title: "Git Galaxy Stargazers",
        Link:  &feeds.Link{Href: "https://gitgalaxy.com"},
        Description: "discussion about open source projects",
        Author: &feeds.Author{Name:"Gabriel Simmer", Email: "gabriel@gitgalaxy.com"},
        Created: now,
        Image: &feeds.Image{Url: "https://static.gitgalaxy.com/podcast_image.png"},
    }

    for _, file := range files {
        s := strings.Split(file.Name(), "_")
        t := strings.Split(s[1], ".")
        title := t[0]
        date, err :=  time.Parse("2006-01-02",s[0])
        if err != nil {
            log.Fatal(err)
        }
        feed.Items = []*feeds.Item{
        &feeds.Item{
            Title:       title,
            Link:        &feeds.Link{Href: "https://gitgalaxy.com/podcast"},
            Enclosure:   &feeds.Enclosure{Url: "https://podcast.gitgalaxy.com/download/" + file.Name(), Length: "100", Type: "audio/mpeg"},
            Description: "Hello, World!",
            Author:      &feeds.Author{Name: "Gabriel Simmer", Email: "gabriel@gitgalaxy.com"},
            Created:     date,
        },
    }
    }
    rss, err := feed.ToRss()
    if err != nil {
        log.Fatal(err)
    }
    fmt.Println(rss)
    rss_byte := []byte(rss)
    ioutil.WriteFile("feed.rss", rss_byte, 0644)
}