commit 66e71b72370d01df55f8a7a93362f53b07b3f63c Author: Romain de Laage Date: Tue Jul 4 17:04:39 2023 +0200 Initial commit diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..133a873 --- /dev/null +++ b/go.mod @@ -0,0 +1,16 @@ +module foo + +go 1.19 + +require github.com/mmcdole/gofeed v1.2.1 + +require ( + github.com/PuerkitoBio/goquery v1.8.0 // indirect + github.com/andybalholm/cascadia v1.3.1 // indirect + github.com/json-iterator/go v1.1.12 // indirect + github.com/mmcdole/goxpp v1.1.0 // indirect + github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect + github.com/modern-go/reflect2 v1.0.2 // indirect + golang.org/x/net v0.4.0 // indirect + golang.org/x/text v0.5.0 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..3a4b545 --- /dev/null +++ b/go.sum @@ -0,0 +1,35 @@ +github.com/PuerkitoBio/goquery v1.8.0 h1:PJTF7AmFCFKk1N6V6jmKfrNH9tV5pNE6lZMkG0gta/U= +github.com/PuerkitoBio/goquery v1.8.0/go.mod h1:ypIiRMtY7COPGk+I/YbZLbxsxn9g5ejnI2HSMtkjZvI= +github.com/andybalholm/cascadia v1.3.1 h1:nhxRkql1kdYCc8Snf7D5/D3spOX+dBgjA6u8x004T2c= +github.com/andybalholm/cascadia v1.3.1/go.mod h1:R4bJ1UQfqADjvDa4P6HZHLh/3OxWWEqc0Sk8XGwHqvA= +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg= +github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM= +github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo= +github.com/mmcdole/gofeed v1.2.1 h1:tPbFN+mfOLcM1kDF1x2c/N68ChbdBatkppdzf/vDe1s= +github.com/mmcdole/gofeed v1.2.1/go.mod h1:2wVInNpgmC85q16QTTuwbuKxtKkHLCDDtf0dCmnrNr4= +github.com/mmcdole/goxpp v1.1.0 h1:WwslZNF7KNAXTFuzRtn/OKZxFLJAAyOA9w82mDz2ZGI= +github.com/mmcdole/goxpp v1.1.0/go.mod h1:v+25+lT2ViuQ7mVxcncQ8ch1URund48oH+jhjiwEgS8= +github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q= +github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg= +github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q= +github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M= +github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk= +github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= +github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= +github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= +github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= +github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk= +golang.org/x/net v0.0.0-20210916014120-12bc252f5db8/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y= +golang.org/x/net v0.4.0 h1:Q5QPcMlvfxFTAPV0+07Xz/MpK9NTXu2VDUuy0FeMfaU= +golang.org/x/net v0.4.0/go.mod h1:MBQ8lrhLObU/6UmLb4fmbmk5OcyYmqtbGd/9yIeKjEE= +golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo= +golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= +golang.org/x/text v0.5.0 h1:OLmvp0KP+FVG99Ct/qFiL/Fhk4zp4QQnZ7b2U+5piUM= +golang.org/x/text v0.5.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8= +golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= +gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= diff --git a/main.go b/main.go new file mode 100644 index 0000000..b206587 --- /dev/null +++ b/main.go @@ -0,0 +1,105 @@ +package main + +import ( + "bytes" + "errors" + "fmt" + "math" + "regexp" + "strconv" + "strings" + "time" + + "github.com/mmcdole/gofeed" +) + +const durationPattern = `^([0-9]+:)?([0-9]+:)?([0-9]+(\.[0-9]+)?)$` + +var durationRegexp = regexp.MustCompile(durationPattern) + +func main() { + playlist, err := feed2m3u("https://feeds.soundcloud.com/users/soundcloud:users:520257816/sounds.rss") + if err != nil { + panic(err) + } + + fmt.Println(playlist) +} + +func feed2m3u(feedURL string) (string, error) { + parser := gofeed.NewParser() + feed, err := parser.ParseURL(feedURL) + if err != nil { + return "", err + } + + defaultAuthor := "No Author" + if feed.Author != nil && feed.Author.Name != "" { + defaultAuthor = feed.Author.Name + } + + defaultTitle := "No Title" + if feed.Title != "" { + defaultTitle = feed.Title + } + + playlistBuffer := bytes.NewBuffer(nil) + + fmt.Fprintln(playlistBuffer, "#EXTM3U") + + for _, item := range feed.Items { + duration := -1 + if item.ITunesExt != nil && item.ITunesExt.Duration != "" { + duration, err = normalizeDuration(item.ITunesExt.Duration) + if err != nil { + return "", err + } + } + + title := defaultTitle + if item.Title != "" { + title = item.Title + } + + author := defaultAuthor + if item.Author != nil && item.Author.Name != "" { + author = item.Author.Name + } + + for _, enclosure := range item.Enclosures { + if strings.HasPrefix(strings.ToLower(enclosure.Type), "audio/") { + fmt.Fprintf(playlistBuffer, "\n#EXTINF:%d, %s - %s\n%s\n", duration, title, author, enclosure.URL) + break + } + } + } + + return playlistBuffer.String(), nil +} + +func normalizeDuration(durationString string) (int, error) { + durationString = strings.ReplaceAll(durationString, " ", "") + + ok := durationRegexp.MatchString(durationString) + if ok { + durationComponents := strings.Split(durationString, ":") + var total float64 = 0 + for i, value := range durationComponents { + intValue, err := strconv.ParseFloat(value, 64) + if err != nil { + return 0, err + } + total += intValue * math.Pow(60, float64(len(durationComponents)-i-1)) + } + + return int(total), nil + } + + durationString = strings.ReplaceAll(durationString, "min", "m") + durationString = strings.ReplaceAll(durationString, "sec", "s") + if duration, err := time.ParseDuration(durationString); err == nil { + return int(duration.Seconds()), nil + } + + return 0, errors.New("NormalizeDuration: duration didn't match the duration pattern") +}