parseTextToYoutube static method

YoutubeSchemaText parseTextToYoutube({ required String text, bool hideAtUsername = true, })

Implementation

static googleapis_client_scheme.YoutubeSchemaText parseTextToYoutube({
  required String text,
  bool hideAtUsername = true,
}) {
  try {
    RegExpMatch? regExpMatch = RegExp(
      r"(^(@[a-z0-9\.\-_]+)$|(((http(s)?://(www\.|m\.|studio\.)?)?(youtube|youtu).(com|be)/(channel/|watch\?v=([a-z0-9\.\-_]+)|([a-z0-9\.\-_]+)|@[a-z0-9\.\-_]+))?([a-z0-9\.\-_]+)?)|^([a-z0-9\.\-_]+)$)",
      caseSensitive: false,
    ).firstMatch(text);
    if (regExpMatch == null) {
      // print("Sa");
      return googleapis_client_scheme.YoutubeSchemaText({
        "@type": "error",
        "message": "cant_parse_text",
        "description": ""
      });
    }
    // print(regExpMatch.groups(List.generate(regExpMatch.groupCount, (index) => index)));
    String username = () {
      try {
        List<String> usernames_raw =
            regExpMatch.groups([2, 10]).whereType<String>().toList();

        for (var i = 0; i < usernames_raw.length; i++) {
          if (RegExp(r"^(@[a-z0-9\.\-_]+)$", caseSensitive: false)
              .hasMatch(usernames_raw[i])) {
            return usernames_raw[i];
          }
        }
      } catch (e) {}

      return "";
    }.call();

    String channel_id = () {
      try {
        String channelId = regExpMatch.group(13) ?? "";
        bool is_found_channel = () {
          try {
            String channel_words = regExpMatch.group(10) ?? "";
            if (channel_words.toLowerCase() == "channel/") {
              return true;
            }

            String com_words = regExpMatch.group(9) ?? "";
            if (com_words.toLowerCase() == "com") {
              return true;
            }
          } catch (e) {}
          return false;
        }.call();
        if (RegExp(r"^([a-z0-9\.\-_]+)$", caseSensitive: false)
            .hasMatch(channelId)) {
          if (!is_found_channel) {
            try {
              List<String> channel_ids = regExpMatch
                  .groups([0, 1, 3, 13])
                  .whereType<String>()
                  .toList()
                  .toSet()
                  .toList();

              if (channel_ids.length == 1) {
                if (RegExp(r"^([a-z0-9\.\-_]+)$", caseSensitive: false)
                    .hasMatch(channel_ids.first)) {
                  return channelId;
                }
              }
            } catch (e) {}
            return "";
          }
          return channelId;
        }

        String com_words = regExpMatch.group(9) ?? "";
        if (com_words.toLowerCase() == "com") {
          if (RegExp(r"^([a-z0-9\.\-_]+)$", caseSensitive: false)
              .hasMatch(regExpMatch.group(12) ?? "")) {
            return regExpMatch.group(12) ?? "";
          }
        }
      } catch (e) {
        print(e);
      }

      return "";
    }.call();

    String video_watch = () {
      try {
        List<String> watch_video_raw =
            regExpMatch.groups([10, 11]).whereType<String>().toList();

        if (RegExp(r"^(watch\?v=([a-z0-9\.\-_]+))$", caseSensitive: false)
            .hasMatch(watch_video_raw.first)) {
          if (RegExp(r"^([a-z0-9\.\-_]+)$", caseSensitive: false)
              .hasMatch(watch_video_raw.last)) {
            return watch_video_raw.last;
          }
        }
      } catch (e) {}

      return "";
    }.call();

    if (username.isNotEmpty) {
      return googleapis_client_scheme.YoutubeSchemaText.create(
        special_type: "youtubeSchemaText",
        type: "channel_username",
        data: username,
      );
    } else if (video_watch.isNotEmpty) {
      return googleapis_client_scheme.YoutubeSchemaText.create(
        special_type: "youtubeSchemaText",
        type: "video",
        data: video_watch,
      );
    } else if (channel_id.isNotEmpty) {
      return googleapis_client_scheme.YoutubeSchemaText.create(
        special_type: "youtubeSchemaText",
        type: "channel_id",
        data: channel_id,
      );
    }
  } catch (e) {}

  return googleapis_client_scheme.YoutubeSchemaText(
      {"@type": "error", "message": "cant_parse_text", "description": ""});
}