125 lines
2.9 KiB
Go
125 lines
2.9 KiB
Go
package common
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import (
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"strconv"
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"strings"
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)
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func Unify(s string) string {
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s = strings.TrimSpace(s)
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s = strings.ToLower(s)
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for strings.Contains(s, " ") {
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s = strings.ReplaceAll(s, " ", " ")
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}
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return s
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}
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func ZeroPad(num int, length int) string {
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str := strconv.Itoa(num)
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if len(str) >= length {
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return str
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}
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return strings.Repeat("0", length-len(str)) + str
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}
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func IsNumeric(num string) bool {
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for _, c := range num {
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if c < '0' || c > '9' {
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return false
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}
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}
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return true
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}
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var commonTitleSuffix = []string{"(official video)"}
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const openBrackets = "(["
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const closeBrackets = ")]"
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var forbiddenSubstringInBrackets = []string{"official", "video", "audio", "lyrics", "prod", "remix", "ft", "feat", "ft.", "feat."}
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func CleanSongTitle(title string, artistName string) string {
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/*
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# remove brackets and their content if they contain disallowed substrings
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for open_bracket, close_bracket in zip(OPEN_BRACKETS, CLOSE_BRACKETS):
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if open_bracket not in raw_song_title or close_bracket not in raw_song_title:
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continue
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start = 0
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while True:
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try:
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open_bracket_index = raw_song_title.index(open_bracket, start)
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except ValueError:
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break
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try:
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close_bracket_index = raw_song_title.index(close_bracket, open_bracket_index + 1)
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except ValueError:
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break
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substring = raw_song_title[open_bracket_index + 1:close_bracket_index]
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if any(disallowed_substring in substring.lower() for disallowed_substring in DISALLOWED_SUBSTRING_IN_BRACKETS):
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raw_song_title = raw_song_title[:open_bracket_index] + raw_song_title[close_bracket_index + 1:]
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else:
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start = close_bracket_index + 1
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# everything that requires the artist name
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if artist_name is not None:
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artist_name = artist_name.strip()
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# Remove artist from the start of the title
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if raw_song_title.lower().startswith(artist_name.lower()):
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possible_new_name = raw_song_title[len(artist_name):].strip()
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for char in ("-", "–", ":", "|"):
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if possible_new_name.startswith(char):
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raw_song_title = possible_new_name[1:].strip()
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break
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return raw_song_title.strip()
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*/
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title = strings.TrimSpace(title)
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for _, d := range commonTitleSuffix {
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if strings.HasSuffix(strings.ToLower(title), d) {
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title = strings.TrimSpace(title[:len(d)-1])
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}
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}
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for b, open := range openBrackets {
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close := closeBrackets[b]
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s := -1
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e := -1
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for i, c := range title {
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if c == open {
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s = i
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} else if c == rune(close) {
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e = i
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}
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}
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remove := false
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if s > -1 {
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substring := title[s:e]
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for _, f := range forbiddenSubstringInBrackets {
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if strings.Contains(substring, f) {
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remove = true
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break
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}
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}
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}
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if remove {
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title = title[:s] + title[e:]
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}
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}
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return title
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}
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