From cdfcd32af4c207dd36dbd6b0063d6a52bba0f28d Mon Sep 17 00:00:00 2001
From: Daniel Tam <daniel@danieltam.net>
Date: Fri, 28 Aug 2020 18:58:09 -0500
Subject: [PATCH] first iteration

---
 convert.go | 174 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 174 insertions(+)
 create mode 100644 convert.go

diff --git a/convert.go b/convert.go
new file mode 100644
index 0000000..4d15034
--- /dev/null
+++ b/convert.go
@@ -0,0 +1,174 @@
+package main
+
+import (
+	"fmt"
+	"strings"
+	"strconv"
+	"os"
+	"bufio"
+
+	"github.com/beevik/etree"
+)
+
+func main() {
+	// setup
+	itunes_media := "file://localhost/Z:/Music/usb/"
+	web_media := "https://dtam.pw/music/tracks/"
+	playlist_length := 0
+	name_next := false
+	artist_next := false
+	location_next := false
+	id_next := false
+	name_temp := ""
+	artist_temp := ""
+	location_temp := ""
+	id_temp := ""
+
+	// song information
+	type Song_Information struct {
+		name string
+		artist string
+		location string
+		id string
+	}
+
+	//var songlist = []*Song_Information {}
+	var playlist_tracks []string
+	var songlist []Song_Information
+	var playlist []Song_Information
+
+	fmt.Printf("%s\n%s\n", itunes_media, web_media)
+
+	// import the playlist
+	doc := etree.NewDocument()
+	if err := doc.ReadFromFile("main.xml");  err != nil {
+		panic(err)
+	}
+
+	// select the root element
+	//root := doc.SelectElement("plist")
+	//fmt.Println("ROOT element:", root.Tag)
+
+	// find the playlist elements
+	for _, e := range doc.FindElements("./plist/dict/array/dict/array/dict/integer") {
+		// add track to playlist
+		playlist_tracks = append(playlist_tracks, e.Text())
+	}
+
+	// get the length of the playlist
+	for _, e := range doc.FindElements("./plist/dict/dict/*") {
+		_ = e
+		playlist_length += 1
+	}
+
+	// cycle through the playlist and grab the song information
+	for i := 0; i < playlist_length; i++ {
+		// based on how the xml is formmated from itunes, it has 2 separate elements for each
+		// key, so we need to mark when we find the key we need and say the next item is the item
+		for _, e := range doc.FindElements("./plist/dict/dict/dict[" + strconv.Itoa(i) + "]/*") {
+			if(e.Text() == "Name") {
+				name_next = true
+				continue
+			}
+	
+			if(e.Text() == "Artist") {
+				artist_next = true
+				continue
+			}
+	
+			if(e.Text() == "Location") {
+				location_next = true
+				continue
+			}
+
+			if(e.Text() == "Track ID") {
+				id_next = true
+				continue
+			}
+	
+			if(name_next) {
+				name_temp = e.Text()
+				name_temp = strings.Replace(name_temp, "&", "&amp;", 5)
+				name_next = false
+			}
+	
+			if(artist_next) {
+				artist_temp = e.Text()
+				artist_temp = strings.Replace(artist_temp, "&", "&amp;", 5)
+				artist_next = false
+			}
+	
+			if(location_next) {
+				location_temp = e.Text()
+				// replace the file name link with the web link
+				location_temp = strings.Replace(location_temp, itunes_media, web_media, 1)
+				location_temp = strings.Replace(location_temp, "&", "&amp;", 5)
+				location_next = false
+			}
+
+			if(id_next) {
+				id_temp = e.Text()
+				id_next = false
+			}
+			
+			// once we have found all the information we need, put it into a struct and append it
+			// to our master struct
+			if(name_temp != "" && artist_temp != "" && location_temp != "") {
+				
+				songlist = append(songlist, Song_Information{name_temp, artist_temp, location_temp, id_temp})
+				name_temp = ""
+				artist_temp = ""
+				location_temp = ""
+			}
+		}
+	}
+
+	// put our tracks in the appropriate order based on the playlist
+	for _, e := range playlist_tracks {
+		for _, f := range songlist {
+			if(f.id == e) {
+				playlist = append(playlist, Song_Information{f.name, f.artist, f.location, f.id})
+				break
+			}
+		}
+	}
+
+	for _, e := range playlist {
+		_ = e
+		//fmt.Printf("Name: %s\nArist: %s\nLocation: %s\nID: %s\n\n", e.name, e.artist, e.location, e.id)
+	}
+
+	for _, e := range playlist_tracks {
+		_ = e
+		//fmt.Println(e)
+	}
+
+	// create the xml file
+	file, err := os.OpenFile("main_parsed.xml", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
+	if err != nil {
+		panic(err)
+	}
+
+	w := bufio.NewWriter(file)
+	fmt.Fprintln(w, `<?xml version="1.0" encoding="UTF-8"?>`)
+	fmt.Fprintln(w, `<playlist xmlns="https://xspf.org/ns/0/" version="1">`)
+	fmt.Fprintln(w, "<tracklist>")
+
+	for _, e := range playlist {
+		fmt.Fprintln(w, "<track>")
+		fmt.Fprintln(w, "<creator>" + e.artist + "</creator>")
+		fmt.Fprintln(w, "<title>" + e.name + "</title>")
+		fmt.Fprintln(w, "<location>" + e.location+ "</location>")
+		fmt.Fprintln(w, "</track>")
+	}
+
+	fmt.Fprintln(w, "</tracklist>")
+	fmt.Fprintln(w, "</playlist>")
+
+	w.Flush()
+
+	//fmt.Printf("\n\n")
+	//fmt.Println(len(songlist))
+	//fmt.Printf("\n\n")
+	//fmt.Println(playlist_length)
+}
\ No newline at end of file