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https://github.com/NexVeridian/ark-invest-api-rust-data.git
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0.3.4
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commit
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SSH key fingerprint:
SHA256:bsA1SKZxuEcEVHAy3gY1HUeM5ykRJl0U0kQHQn0hMg8
1 changed files with 259 additions and 205 deletions
170
src/util.rs
170
src/util.rs
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@ -21,7 +21,6 @@ pub enum Ticker {
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ARKW,
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ARKX,
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}
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impl Ticker {
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pub fn value(&self) -> &str {
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match *self {
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@ -36,64 +35,93 @@ impl Ticker {
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}
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}
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pub fn merge_csv_to_parquet(ticker: Ticker) -> Result<(), Box<dyn Error>> {
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let mut dfs = vec![];
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for x in glob(&format!("data/csv/{}/*", ticker))?.filter_map(Result::ok) {
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dfs.push(LazyCsvReader::new(x).finish()?);
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pub enum DF {
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LazyFrame(LazyFrame),
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DataFrame(DataFrame),
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}
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impl From<LazyFrame> for DF {
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fn from(lf: LazyFrame) -> Self {
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DF::LazyFrame(lf)
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}
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}
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impl From<DataFrame> for DF {
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fn from(df: DataFrame) -> Self {
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DF::DataFrame(df)
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}
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}
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impl DF {
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pub fn collect(self) -> Result<DataFrame, Box<dyn Error>> {
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match self {
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DF::LazyFrame(x) => Ok(x.collect()?),
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DF::DataFrame(x) => Ok(x),
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}
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}
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pub fn lazy(self) -> LazyFrame {
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match self {
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DF::LazyFrame(x) => x,
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DF::DataFrame(x) => x.lazy(),
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}
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let mut df = concat(dfs, false, true)?;
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if read_parquet(ticker).is_ok() {
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let df_old = read_parquet(ticker)?;
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df = concat_df(vec![df_old, df])?;
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write_parquet(ticker, df_sort(df.collect()?)?)?;
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} else {
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write_parquet(ticker, df_format(df)?)?;
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}
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Ok(())
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}
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pub enum Source {
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Read,
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Ark,
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ApiIncremental,
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ApiFull,
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}
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pub fn update_parquet(ticker: Ticker, source: Source) -> Result<(), Box<dyn Error>> {
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let mut df = read_parquet(ticker)?;
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struct Ark {
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df: DF,
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ticker: Ticker,
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}
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impl Ark {
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pub fn new(source: Source, ticker: Ticker) -> Result<Self, Box<dyn Error>> {
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let mut ark = Self {
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df: Self::read_parquet(ticker)?.into(),
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ticker,
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};
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let update = match source {
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Source::Ark => get_csv_ark(ticker)?,
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Source::Read => None,
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Source::Ark => Some(ark.get_csv_ark()?),
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Source::ApiIncremental => {
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let last_day = df
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.clone()
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let last_day = ark
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.df
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.collect()?
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.column("date")
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.unwrap()
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.max()
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.and_then(NaiveDate::from_num_days_from_ce_opt);
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get_api(ticker, last_day)?
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Some(ark.get_api(last_day)?)
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}
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Source::ApiFull => get_api(ticker, None)?,
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Source::ApiFull => Some(ark.get_api(None)?),
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};
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df = concat_df(vec![df, update])?;
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write_parquet(ticker, df_sort(df.collect()?)?)?;
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Ok(())
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if let Some(update) = update {
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ark.df = Self::concat_df(vec![ark.df, update.into()])?.into();
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}
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Ok(ark)
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}
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fn concat_df(mut dfs: Vec<LazyFrame>) -> Result<LazyFrame, Box<dyn Error>> {
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// with dedupe and format
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for x in &mut dfs {
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*x = df_format(x.to_owned())?.lazy();
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}
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let mut df = concat(dfs, false, true)?;
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df = df.unique_stable(None, UniqueKeepStrategy::First);
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Ok(df)
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pub fn write_parquet(mut self) -> Result<Self, Box<dyn Error>> {
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ParquetWriter::new(File::create(format!(
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"data/parquet/{}.parquet",
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self.ticker
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))?)
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.finish(&mut self.df.collect()?)?;
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Ok(self)
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}
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pub fn read_parquet(ticker: Ticker) -> Result<LazyFrame, Box<dyn Error>> {
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pub fn df_sort(&self) -> Result<&Self, Box<dyn Error>> {
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let df = self
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.df
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.collect()?
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.sort(["date", "weight"], vec![false, true])?;
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self.df = df.into();
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Ok(self)
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}
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fn read_parquet(ticker: Ticker) -> Result<LazyFrame, Box<dyn Error>> {
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let df = LazyFrame::scan_parquet(
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format!("data/parquet/{}.parquet", ticker),
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ScanArgsParquet::default(),
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@ -101,18 +129,17 @@ pub fn read_parquet(ticker: Ticker) -> Result<LazyFrame, Box<dyn Error>> {
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Ok(df)
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}
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pub fn write_parquet(ticker: Ticker, mut df: DataFrame) -> Result<(), Box<dyn Error>> {
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ParquetWriter::new(File::create(format!("data/parquet/{}.parquet", ticker))?)
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.finish(&mut df)?;
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Ok(())
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fn concat_df(mut dfs: Vec<DF>) -> Result<DF, Box<dyn Error>> {
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// with dedupe and format
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// for x in &mut dfs {
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// *x = Self::df_format(x.to_owned())?.lazy();
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// }
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let mut df = concat(dfs, false, true)?;
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df = df.unique_stable(None, UniqueKeepStrategy::First);
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Ok(df.into())
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}
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pub fn df_sort(df: DataFrame) -> Result<DataFrame, Box<dyn Error>> {
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let df = df.sort(["date", "weight"], vec![false, true])?;
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Ok(df)
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}
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pub fn df_format(df: LazyFrame) -> Result<DataFrame, Box<dyn Error>> {
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fn df_format(df: LazyFrame) -> Result<DataFrame, Box<dyn Error>> {
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let mut df = df.collect()?;
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if df.get_column_names().contains(&"market_value_($)") {
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@ -233,39 +260,66 @@ pub fn df_format(df: LazyFrame) -> Result<DataFrame, Box<dyn Error>> {
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"share_price",
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"weight",
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])?;
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} else {
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} else if !df
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.get_column_names()
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.eq(&["date", "ticker", "cusip", "company", "weight"])
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{
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df = df.select(["date", "ticker", "cusip", "company", "weight"])?;
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}
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Ok(df)
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}
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pub fn get_api(ticker: Ticker, last_day: Option<NaiveDate>) -> Result<LazyFrame, Box<dyn Error>> {
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let url = match (ticker, last_day) {
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(Ticker::ARKVC, Some(last_day)) => format!(
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pub fn get_api(self, last_day: Option<NaiveDate>) -> Result<LazyFrame, Box<dyn Error>> {
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let tic = self.ticker;
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let url = match (tic, last_day) {
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(self::Ticker::ARKVC, Some(last_day)) => format!(
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"https://api.nexveridian.com/arkvc_holdings?end={}",
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last_day
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),
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(ticker, Some(last_day)) => format!(
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(tic, Some(last_day)) => format!(
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"https://api.nexveridian.com/ark_holdings?ticker={}&end={}",
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ticker, last_day
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tic.value(),
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last_day
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),
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(Ticker::ARKVC, None) => "https://api.nexveridian.com/arkvc_holdings".to_owned(),
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(ticker, None) => {
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format!("https://api.nexveridian.com/ark_holdings?ticker={}", ticker)
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(self::Ticker::ARKVC, None) => "https://api.nexveridian.com/arkvc_holdings".to_owned(),
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(tic, None) => {
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format!(
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"https://api.nexveridian.com/ark_holdings?ticker={}",
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tic.value()
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)
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}
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};
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Reader::Json.get_data_url(url)
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}
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pub fn get_csv_ark(ticker: Ticker) -> Result<LazyFrame, Box<dyn Error>> {
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let url = match ticker {
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Ticker::ARKVC => "https://ark-ventures.com/wp-content/uploads/funds-etf-csv/ARK_VENTURE_FUND_HOLDINGS.csv".to_owned(),
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_ => format!("https://ark-funds.com/wp-content/uploads/funds-etf-csv/ARK_{}_ETF_{}_HOLDINGS.csv", ticker.value(), ticker),
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pub fn get_csv_ark(self) -> Result<LazyFrame, Box<dyn Error>> {
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let url = match self.ticker {
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self::Ticker::ARKVC => "https://ark-ventures.com/wp-content/uploads/funds-etf-csv/ARK_VENTURE_FUND_HOLDINGS.csv".to_owned(),
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_ => format!("https://ark-funds.com/wp-content/uploads/funds-etf-csv/ARK_{}_ETF_{}_HOLDINGS.csv", self.ticker.value(), self.ticker),
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};
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Reader::Csv.get_data_url(url)
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}
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pub fn merge_old_csv_to_parquet(ticker: Ticker) -> Result<(), Box<dyn Error>> {
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let mut dfs = vec![];
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for x in glob(&format!("data/csv/{}/*", ticker))?.filter_map(Result::ok) {
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dfs.push(LazyCsvReader::new(x).finish()?);
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}
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let mut df = concat(dfs, false, true)?;
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if Self::read_parquet(ticker).is_ok() {
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let df_old = Self::read_parquet(ticker)?;
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df = Self::concat_df(vec![df_old, df])?;
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write_parquet(ticker, df_sort(df.collect()?)?)?;
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} else {
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write_parquet(ticker, df_format(df)?)?;
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}
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Ok(())
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}
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}
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pub enum Reader {
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Csv,
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Json,
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