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added companie mapping with yahoo tickers

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This commit is contained in:
Patrick Mahnke-Hartmann
2025-12-14 16:48:02 +01:00
parent 00c9d45642
commit d744769138
12 changed files with 1507 additions and 2591 deletions
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1
src/corporate/mod.rs
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@@ -7,5 +7,6 @@ pub mod helpers;
pub mod aggregation;
pub mod fx;
pub mod openfigi;
pub mod yahoo;
pub use update::run_full_update;

2413
src/corporate/openfigi.rs
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File diff suppressed because it is too large Load Diff

436
src/corporate/scraper.rs
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@@ -1,318 +1,19 @@
// src/corporate/scraper.rs
use super::{types::*, helpers::*, openfigi::*};
use super::{types::*};
//use crate::corporate::openfigi::OpenFigiClient;
use crate::{scraper::webdriver::*, util::directories::DataPaths, util::logger};
use fantoccini::{Client, Locator};
use fantoccini::{Client};
use scraper::{Html, Selector};
use chrono::{DateTime, Duration, NaiveDate, Utc};
use tokio::{time::{Duration as TokioDuration, sleep}};
use reqwest::Client as HttpClient;
use serde_json::{json, Value};
use zip::ZipArchive;
use std::{collections::HashMap, sync::Arc};
use std::{collections::HashMap};
use std::io::{Read};
use anyhow::{anyhow, Result};
const USER_AGENT: &str = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36";
/// Check if a ticker exists on Yahoo Finance and return core metadata.
///
/// This function calls the public Yahoo Finance quoteSummary endpoint and extracts:
/// - ISIN (when available)
/// - Company name
/// - Exchange MIC code
/// - Trading currency
///
/// It strictly filters to only accept **equity** securities.
///
/// # Arguments
/// * `ticker` - The ticker symbol to validate (e.g., "AAPL", "7203.T", "BMW.DE")
///
/// # Returns
/// `Ok(PrimaryInfo)` on success, `Err` if ticker doesn't exist, is not equity, or data is malformed.
///
/// # Errors
/// - Ticker not found
/// - Not an equity (ETF, bond, etc.)
/// - Missing critical fields
/// - Network or JSON parsing errors
/*pub async fn check_ticker_exists(ticker: &str) -> anyhow::Result<PrimaryInfo> {
let url = format!(
"https://query1.finance.yahoo.com/v10/finance/quoteSummary/{}?modules=price%2CassetProfile",
ticker
);
let resp = match HttpClient::new()
.get(&url)
.header("User-Agent", USER_AGENT)
.send()
.await
{
Ok(resp) => resp,
Err(err) => {
return Err(anyhow::anyhow!(
"Failed to reach Yahoo Finance for ticker {}: {}",
ticker,
err
));
}
};
if !resp.status().is_success() {
return Err(anyhow::anyhow!("Yahoo returned HTTP {} for ticker {}", resp.status(), ticker));
}
let json: Value = match resp
.json()
.await {
Ok(resp) => resp,
Err(err) => {
return Err(anyhow::anyhow!(
"Failed to parse JSON response from Yahoo Finance {}: {}",
ticker,
err
));
}
};
let result_array = json["quoteSummary"]["result"]
.as_array()
.ok_or_else(|| anyhow::anyhow!("Missing 'quoteSummary.result' in response"))?;
if result_array.is_empty() || result_array[0].is_null() {
return Err(anyhow::anyhow!("No quote data returned for ticker {}", ticker));
}
let quote = &result_array[0]["price"];
let profile = &result_array[0]["assetProfile"];
// === 1. Must be EQUITY ===
let quote_type = quote["quoteType"]
.as_str()
.unwrap_or("")
.to_ascii_uppercase();
if quote_type != "EQUITY" {
println!(" → Skipping {} (quoteType: {})", ticker, quote_type);
return Err(anyhow::anyhow!("Not an equity security: {}", quote_type));
}
// === 2. Extract basic info ===
let long_name = quote["longName"]
.as_str()
.or_else(|| quote["shortName"].as_str())
.unwrap_or(ticker)
.trim()
.to_string();
let currency = quote["currency"]
.as_str()
.unwrap_or("USD")
.to_string();
let exchange_mic = quote["exchange"]
.as_str()
.unwrap_or("")
.to_string();
if exchange_mic.is_empty() {
return Err(anyhow::anyhow!("Missing exchange MIC for ticker {}", ticker));
}
// === 3. Extract ISIN (from assetProfile if available) ===
let isin = profile["isin"]
.as_str()
.and_then(|s| if s.len() == 12 && s.chars().all(|c| c.is_ascii_alphanumeric()) { Some(s) } else { None })
.unwrap_or("")
.to_ascii_uppercase();
// === 4. Final sanity check: reject obvious debt securities ===
let name_upper = long_name.to_ascii_uppercase();
if name_upper.contains(" BOND") ||
name_upper.contains(" NOTE") ||
name_upper.contains(" DEBENTURE") ||
name_upper.contains(" PREFERRED") && !name_upper.contains(" STOCK") {
return Err(anyhow::anyhow!("Security name suggests debt instrument: {}", long_name));
}
println!(
" → Valid equity: {} | {} | {} | ISIN: {}",
ticker,
long_name,
exchange_mic,
if isin.is_empty() { "N/A" } else { &isin }
);
Ok(PrimaryInfo {
isin,
name: long_name,
exchange_mic,
currency,
})
}*/
/// Fetches earnings events for a ticker using a dedicated ScrapeTask.
///
/// This function creates and executes a ScrapeTask to navigate to the Yahoo Finance earnings calendar,
/// reject cookies, and extract the events.
///
/// # Arguments
/// * `ticker` - The stock ticker symbol.
///
/// # Returns
/// A vector of CompanyEvent structs on success.
///
/// # Errors
/// Returns an error if the task execution fails, e.g., chromedriver spawn or navigation issues.
pub async fn fetch_earnings_with_pool(
ticker: &str,
pool: &Arc<ChromeDriverPool>,
) -> anyhow::Result<Vec<CompanyEvent>> {
let ticker = ticker.to_string();
let url = format!("https://finance.yahoo.com/calendar/earnings?symbol={}", ticker);
let ticker_cloned = ticker.clone();
pool.execute(url, move |client| {
let ticker = ticker_cloned.clone();
Box::pin(async move {
reject_yahoo_cookies(&client).await?;
extract_earnings_events(&client, &ticker).await
})
}).await
}
/// Extracts earnings events from the currently loaded Yahoo Finance earnings calendar page.
///
/// This function assumes the client is already navigated to the correct URL (e.g.,
/// https://finance.yahoo.com/calendar/earnings?symbol={ticker}) and cookies are handled.
///
/// It waits for the earnings table, extracts rows, parses cells into CompanyEvent structs,
/// and handles date parsing, float parsing, and optional fields.
///
/// # Arguments
/// * `client` - The fantoccini Client with the page loaded.
/// * `ticker` - The stock ticker symbol for the events.
///
/// # Returns
/// A vector of CompanyEvent on success.
///
/// # Errors
/// Returns an error if:
/// - Table or elements not found.
/// - Date or float parsing fails.
/// - WebDriver operations fail.
///
/// # Examples
///
/// ```no_run
/// use fantoccini::Client;
/// use crate::corporate::scraper::extract_earnings;
///
/// #[tokio::main]
/// async fn main() -> Result<()> {
/// // Assume client is set up and navigated
/// let events = extract_earnings(&client, "AAPL").await?;
/// Ok(())
/// }
/// ```
pub async fn extract_earnings_events(client: &Client, ticker: &str) -> Result<Vec<CompanyEvent>> {
// Wait for the table to load
let table = client
.wait()
.for_element(Locator::Css(r#"table[data-test="cal-table"]"#))
.await
.map_err(|e| anyhow!("Failed to find earnings table: {}", e))?;
// Find all rows in tbody
let rows = table
.find_all(Locator::Css("tbody tr"))
.await
.map_err(|e| anyhow!("Failed to find table rows: {}", e))?;
let mut events = Vec::with_capacity(rows.len());
for row in rows {
let cells = row
.find_all(Locator::Css("td"))
.await
.map_err(|e| anyhow!("Failed to find cells in row: {}", e))?;
if cells.len() < 5 {
continue; // Skip incomplete rows
}
// Extract and parse date
let date_str = cells[0]
.text()
.await
.map_err(|e| anyhow!("Failed to get date text: {}", e))?;
let date = parse_yahoo_date(&date_str)
.map_err(|e| anyhow!("Failed to parse date '{}': {}", date_str, e))?
.format("%Y-%m-%d")
.to_string();
// Extract time, replace "Time Not Supplied" with empty
let time = cells[1]
.text()
.await
.map_err(|e| anyhow!("Failed to get time text: {}", e))?
.replace("Time Not Supplied", "");
// Extract period
let period = cells[2]
.text()
.await
.map_err(|e| anyhow!("Failed to get period text: {}", e))?;
// Parse EPS forecast
let eps_forecast_str = cells[3]
.text()
.await
.map_err(|e| anyhow!("Failed to get EPS forecast text: {}", e))?;
let eps_forecast = parse_float(&eps_forecast_str);
// Parse EPS actual
let eps_actual_str = cells[4]
.text()
.await
.map_err(|e| anyhow!("Failed to get EPS actual text: {}", e))?;
let eps_actual = parse_float(&eps_actual_str);
// Parse surprise % if available
let surprise_pct = if cells.len() > 5 {
let surprise_str = cells[5]
.text()
.await
.map_err(|e| anyhow!("Failed to get surprise text: {}", e))?;
parse_float(&surprise_str)
} else {
None
};
events.push(CompanyEvent {
ticker: ticker.to_string(),
date,
time,
period,
eps_forecast,
eps_actual,
revenue_forecast: None,
revenue_actual: None,
surprise_pct,
source: "Yahoo".to_string(),
});
}
if events.is_empty() {
eprintln!("Warning: No earnings events extracted for ticker {}", ticker);
} else {
println!("Extracted {} earnings events for {}", events.len(), ticker);
}
Ok(events)
}
fn parse_price(v: Option<&Value>) -> f64 {
v.and_then(|x| x.as_str())
.and_then(|s| s.replace('$', "").replace(',', "").parse::<f64>().ok())
@@ -490,20 +191,17 @@ pub async fn _fetch_latest_gleif_isin_lei_mapping_url(client: &Client) -> anyhow
pub async fn download_isin_lei_csv() -> anyhow::Result<Option<String>> {
let url = "https://mapping.gleif.org/api/v2/isin-lei/9315e3e3-305a-4e71-b062-46714740fa8d/download";
// Initialize DataPaths and create cache/gleif directory
let paths = DataPaths::new(".")?;
let gleif_cache_dir = paths.cache_gleif_dir();
if let Err(e) = std::fs::create_dir_all(&gleif_cache_dir) {
let msg = format!("Failed to create cache/gleif directory: {}", e);
logger::log_error(&msg).await;
println!("{}", msg);
return Ok(None);
}
logger::log_info("Corporate Scraper: Downloading ISIN/LEI mapping from GLEIF...").await;
logger::log_info("Downloading ISIN/LEI mapping from GLEIF...").await;
// Download ZIP and get the filename from Content-Disposition header
let client = match reqwest::Client::builder()
.user_agent(USER_AGENT)
.timeout(std::time::Duration::from_secs(30))
@@ -511,9 +209,7 @@ pub async fn download_isin_lei_csv() -> anyhow::Result<Option<String>> {
{
Ok(c) => c,
Err(e) => {
let msg = format!("Failed to create HTTP client: {}", e);
logger::log_error(&msg).await;
println!("{}", msg);
logger::log_error(&format!("Failed to create HTTP client: {}", e)).await;
return Ok(None);
}
};
@@ -521,20 +217,15 @@ pub async fn download_isin_lei_csv() -> anyhow::Result<Option<String>> {
let resp = match client.get(url).send().await {
Ok(r) if r.status().is_success() => r,
Ok(resp) => {
let msg = format!("Server returned HTTP {}", resp.status());
logger::log_error(&msg).await;
println!("{}", msg);
logger::log_error(&format!("Server returned HTTP {}", resp.status())).await;
return Ok(None);
}
Err(e) => {
let msg = format!("Failed to download ISIN/LEI ZIP: {}", e);
logger::log_error(&msg).await;
println!("{}", msg);
logger::log_error(&format!("Failed to download: {}", e)).await;
return Ok(None);
}
};
// Extract filename from Content-Disposition header or use default
let filename = resp
.headers()
.get("content-disposition")
@@ -542,11 +233,10 @@ pub async fn download_isin_lei_csv() -> anyhow::Result<Option<String>> {
.and_then(|s| s.split("filename=").nth(1).map(|f| f.trim_matches('"').to_string()))
.unwrap_or_else(|| "isin_lei.zip".to_string());
// Parse timestamp from filename and convert to DDMMYYYY format
let parsed_filename = parse_gleif_filename(&filename);
logger::log_info(&format!("Corporate Scraper: Downloaded file: {} -> {}", filename, parsed_filename)).await;
logger::log_info(&format!("Downloaded: {} -> {}", filename, parsed_filename)).await;
// Determine date (DDMMYYYY) from parsed filename: "isin-lei-DDMMYYYY.csv"
// Extract date from filename
let mut date_str = String::new();
if let Some(start_idx) = parsed_filename.find("isin-lei-") {
let rest = &parsed_filename[start_idx + 9..];
@@ -555,13 +245,10 @@ pub async fn download_isin_lei_csv() -> anyhow::Result<Option<String>> {
}
}
// If we parsed a date, use/create a date folder under cache/gleif and operate inside it; otherwise use cache root.
let date_dir = if !date_str.is_empty() {
let p = gleif_cache_dir.join(&date_str);
// Ensure the date folder exists (create if necessary)
if let Err(e) = std::fs::create_dir_all(&p) {
let msg = format!("Failed to create date directory {:?}: {}", p, e);
logger::log_warn(&msg).await;
logger::log_warn(&format!("Failed to create date directory: {}", e)).await;
None
} else {
Some(p)
@@ -570,17 +257,16 @@ pub async fn download_isin_lei_csv() -> anyhow::Result<Option<String>> {
None
};
// Choose the directory where we'll look for existing files and where we'll save the new ones
let target_dir = date_dir.clone().unwrap_or_else(|| gleif_cache_dir.to_path_buf());
// If the date folder exists (or was created), prefer any *_clean.csv inside it and return that immediately
// Check for existing clean CSV
if let Some(ref ddir) = date_dir {
if let Ok(entries) = std::fs::read_dir(ddir) {
for entry in entries.flatten() {
if let Some(name) = entry.file_name().to_str() {
if name.to_lowercase().ends_with("_clean.csv") {
let path = ddir.join(name);
logger::log_info(&format!("Found existing clean GLEIF CSV: {}", path.display())).await;
logger::log_info(&format!("Found existing clean CSV: {}", path.display())).await;
return Ok(Some(path.to_string_lossy().to_string()));
}
}
@@ -588,71 +274,42 @@ pub async fn download_isin_lei_csv() -> anyhow::Result<Option<String>> {
}
}
// If no clean file found in the date folder (or date folder doesn't exist), check whether the csv/zip already exist in the target dir
let csv_candidate_name = parsed_filename.replace(".zip", ".csv");
let csv_candidate = target_dir.join(&csv_candidate_name);
let zip_candidate = target_dir.join(&parsed_filename);
let csv_candidate = target_dir.join(parsed_filename.replace(".zip", ".csv"));
if csv_candidate.exists() {
logger::log_info(&format!("Found existing GLEIF CSV: {}", csv_candidate.display())).await;
logger::log_info(&format!("Found existing CSV: {}", csv_candidate.display())).await;
return Ok(Some(csv_candidate.to_string_lossy().to_string()));
}
if zip_candidate.exists() {
// If zip exists but csv does not, extract later; for now prefer returning csv path (may be created by extraction step)
let inferred_csv = target_dir.join(csv_candidate_name);
if inferred_csv.exists() {
logger::log_info(&format!("Found existing extracted CSV next to ZIP: {}", inferred_csv.display())).await;
return Ok(Some(inferred_csv.to_string_lossy().to_string()));
}
// otherwise we'll overwrite/extract into target_dir below
}
let bytes = match resp.bytes().await {
Ok(b) => b,
Err(e) => {
let msg = format!("Failed to read ZIP bytes: {}", e);
logger::log_error(&msg).await;
println!("{}", msg);
logger::log_error(&format!("Failed to read bytes: {}", e)).await;
return Ok(None);
}
};
// Ensure target directory exists (create if it's the date folder and was absent earlier)
if let Some(ref ddir) = date_dir {
let _ = std::fs::create_dir_all(ddir);
}
let zip_path = target_dir.join(&parsed_filename);
let csv_path = target_dir.join(parsed_filename.replace(".zip", ".csv"));
if let Err(e) = tokio::fs::write(&zip_path, &bytes).await {
let msg = format!("Failed to write ZIP file: {}", e);
logger::log_error(&msg).await;
println!("{}", msg);
logger::log_error(&format!("Failed to write ZIP: {}", e)).await;
return Ok(None);
}
logger::log_info(&format!("Corporate Scraper: Saved ZIP to {:?}", zip_path)).await;
// Extract CSV
let archive = match std::fs::File::open(&zip_path)
.map(ZipArchive::new)
{
// Extract CSV from ZIP
let archive = match std::fs::File::open(&zip_path).map(ZipArchive::new) {
Ok(Ok(a)) => a,
Ok(Err(e)) => {
let msg = format!("Invalid ZIP: {}", e);
logger::log_error(&msg).await;
println!("{}", msg);
logger::log_error(&format!("Invalid ZIP: {}", e)).await;
return Ok(None);
}
Err(e) => {
let msg = format!("Cannot open ZIP file: {}", e);
logger::log_error(&msg).await;
println!("{}", msg);
logger::log_error(&format!("Cannot open ZIP: {}", e)).await;
return Ok(None);
}
};
let mut archive = archive;
let idx = match (0..archive.len()).find(|&i| {
archive.by_index(i)
.map(|f| f.name().ends_with(".csv"))
@@ -660,9 +317,7 @@ pub async fn download_isin_lei_csv() -> anyhow::Result<Option<String>> {
}) {
Some(i) => i,
None => {
let msg = "ZIP did not contain a CSV file";
logger::log_error(msg).await;
println!("{}", msg);
logger::log_error("ZIP contains no CSV").await;
return Ok(None);
}
};
@@ -670,43 +325,32 @@ pub async fn download_isin_lei_csv() -> anyhow::Result<Option<String>> {
let mut csv_file = match archive.by_index(idx) {
Ok(f) => f,
Err(e) => {
let msg = format!("Failed to read CSV entry: {}", e);
logger::log_error(&msg).await;
println!("{}", msg);
logger::log_error(&format!("Failed to read CSV: {}", e)).await;
return Ok(None);
}
};
let mut csv_bytes = Vec::new();
if let Err(e) = csv_file.read_to_end(&mut csv_bytes) {
let msg = format!("Failed to extract CSV: {}", e);
logger::log_error(&msg).await;
logger::log_error(&format!("Failed to extract: {}", e)).await;
return Ok(None);
}
if let Err(e) = tokio::fs::write(&csv_path, &csv_bytes).await {
let msg = format!("Failed to save CSV file: {}", e);
logger::log_error(&msg).await;
logger::log_error(&format!("Failed to save CSV: {}", e)).await;
return Ok(None);
}
let msg = format!("✓ ISIN/LEI CSV extracted: {:?}", csv_path);
logger::log_info(&msg).await;
logger::log_info(&format!("✓ CSV extracted: {:?}", csv_path)).await;
Ok(Some(csv_path.to_string_lossy().to_string()))
}
/// Parse GLEIF filename and convert timestamp to DDMMYYYY format
/// Example: "isin-lei-20251124T080254.csv" -> "isin-lei-24112025.csv"
fn parse_gleif_filename(filename: &str) -> String {
// Try to find pattern: isin-lei-YYYYMMDDTHHMMSS.zip/csv
if let Some(start_idx) = filename.find("isin-lei-") {
let rest = &filename[start_idx + 9..]; // After "isin-lei-"
let rest = &filename[start_idx + 9..];
// Extract the 8 digits (YYYYMMDD)
if rest.len() >= 8 && rest[0..8].chars().all(|c| c.is_numeric()) {
let date_part = &rest[0..8];
// date_part is YYYYMMDD, convert to DDMMYYYY
if date_part.len() == 8 {
let year = &date_part[0..4];
let month = &date_part[4..6];
@@ -717,11 +361,9 @@ fn parse_gleif_filename(filename: &str) -> String {
}
}
// Fallback: return original filename if parsing fails
filename.to_string()
}
pub async fn load_isin_lei_csv() -> anyhow::Result<HashMap<String, Vec<String>>> {
// 1. Download + extract the CSV (this is now async)
let csv_path = match download_isin_lei_csv().await? {
@@ -769,30 +411,4 @@ pub async fn load_isin_lei_csv() -> anyhow::Result<HashMap<String, Vec<String>>>
);
Ok(map)
}
pub async fn reject_yahoo_cookies(client: &Client) -> anyhow::Result<()> {
for _ in 0..10 {
let clicked: bool = client
.execute(
r#"(() => {
const btn = document.querySelector('#consent-page .reject-all');
if (btn) {
btn.click();
return true;
}
return false;
})()"#,
vec![],
)
.await?
.as_bool()
.unwrap_or(false);
if clicked { break; }
sleep(TokioDuration::from_millis(500)).await;
}
println!("Rejected Yahoo cookies if button existed");
Ok(())
}

154
src/corporate/storage.rs
View File

@@ -6,49 +6,12 @@ use crate::util::logger;
use tokio::fs;
use tokio::io::AsyncWriteExt;
use chrono::{Datelike, NaiveDate};
use std::collections::{HashMap};
use std::collections::HashMap;
use std::path::{PathBuf, Path};
const BATCH_SIZE: usize = 500; // Process 500 events at a time
const BATCH_SIZE: usize = 500;
/// Load events in streaming fashion to avoid memory buildup
pub async fn load_existing_events_streaming(
paths: &DataPaths,
callback: impl Fn(CompanyEvent) -> anyhow::Result<()>
) -> anyhow::Result<usize> {
let dir = paths.corporate_events_dir();
if !dir.exists() {
logger::log_info("Corporate Storage: No existing events directory found").await;
return Ok(0);
}
let mut total = 0;
let mut entries = fs::read_dir(dir).await?;
while let Some(entry) = entries.next_entry().await? {
let path = entry.path();
if path.extension().and_then(|s| s.to_str()) == Some("json") {
let name = path.file_name().and_then(|n| n.to_str()).unwrap_or("");
if name.starts_with("events_") && name.len() == 17 {
let content = fs::read_to_string(&path).await?;
let events: Vec<CompanyEvent> = serde_json::from_str(&content)?;
for event in events {
callback(event)?;
total += 1;
}
// Yield to prevent blocking
tokio::task::yield_now().await;
}
}
}
logger::log_info(&format!("Corporate Storage: Streamed {} events", total)).await;
Ok(total)
}
/// Build lightweight index of events instead of loading everything
/// Lightweight index entry - only metadata, no full event data
#[derive(Debug, Clone)]
pub struct EventIndex {
pub key: String,
@@ -57,9 +20,11 @@ pub struct EventIndex {
pub file_path: PathBuf,
}
/// Build index of all events without loading them into memory
pub async fn build_event_index(paths: &DataPaths) -> anyhow::Result<Vec<EventIndex>> {
let dir = paths.corporate_events_dir();
if !dir.exists() {
logger::log_info("Corporate Storage: No events directory found").await;
return Ok(Vec::new());
}
@@ -90,7 +55,7 @@ pub async fn build_event_index(paths: &DataPaths) -> anyhow::Result<Vec<EventInd
Ok(index)
}
/// Lookup specific event by loading only its file
/// Load specific event by key (only loads its file)
pub async fn lookup_event_by_key(
key: &str,
index: &[EventIndex]
@@ -106,9 +71,48 @@ pub async fn lookup_event_by_key(
}
}
/// Stream events file by file with callback
pub async fn stream_events_with_callback<F>(
paths: &DataPaths,
mut callback: F
) -> anyhow::Result<usize>
where
F: FnMut(CompanyEvent) -> anyhow::Result<()>,
{
let dir = paths.corporate_events_dir();
if !dir.exists() {
return Ok(0);
}
let mut total = 0;
let mut entries = fs::read_dir(dir).await?;
while let Some(entry) = entries.next_entry().await? {
let path = entry.path();
if path.extension().and_then(|s| s.to_str()) == Some("json") {
let name = path.file_name().and_then(|n| n.to_str()).unwrap_or("");
if name.starts_with("events_") {
let content = fs::read_to_string(&path).await?;
let events: Vec<CompanyEvent> = serde_json::from_str(&content)?;
for event in events {
callback(event)?;
total += 1;
}
tokio::task::yield_now().await;
}
}
}
logger::log_info(&format!("Corporate Storage: Streamed {} events", total)).await;
Ok(total)
}
/// Save events organized by month (accepts Vec, not HashMap)
pub async fn save_optimized_events(
paths: &DataPaths,
events: Vec<CompanyEvent> // Changed from HashMap to Vec
events: Vec<CompanyEvent>
) -> anyhow::Result<()> {
let dir = paths.corporate_events_dir();
fs::create_dir_all(dir).await?;
@@ -124,16 +128,14 @@ pub async fn save_optimized_events(
removed_count += 1;
}
}
logger::log_info(&format!("Corporate Storage: Removed {} old event files", removed_count)).await;
logger::log_info(&format!("Corporate Storage: Removed {} old files", removed_count)).await;
let total_events = events.len();
let mut sorted = events;
sorted.sort_by(|a, b| {
a.ticker.cmp(&b.ticker)
.then(a.date.cmp(&b.date))
a.ticker.cmp(&b.ticker).then(a.date.cmp(&b.date))
});
// Process in batches to avoid memory buildup
let mut by_month: HashMap<String, Vec<CompanyEvent>> = HashMap::new();
for chunk in sorted.chunks(BATCH_SIZE) {
@@ -146,27 +148,28 @@ pub async fn save_optimized_events(
tokio::task::yield_now().await;
}
let total_months = by_month.len();
for (month, list) in by_month {
let path = dir.join(format!("events_{}.json", month));
fs::write(&path, serde_json::to_string_pretty(&list)?).await?;
logger::log_info(&format!("Corporate Storage: Saved {} events for month {}", list.len(), month)).await;
logger::log_info(&format!("Saved {} events for month {}", list.len(), month)).await;
}
logger::log_info(&format!("Corporate Storage: Saved {} total events in {} month files", total_events, total_months)).await;
logger::log_info(&format!("Saved {} total events", total_events)).await;
Ok(())
}
pub async fn save_changes(paths: &DataPaths, changes: &[CompanyEventChange]) -> anyhow::Result<()> {
pub async fn save_changes(
paths: &DataPaths,
changes: &[CompanyEventChange]
) -> anyhow::Result<()> {
if changes.is_empty() {
logger::log_info("Corporate Storage: No changes to save").await;
return Ok(());
}
let dir = paths.corporate_changes_dir();
fs::create_dir_all(dir).await?;
logger::log_info(&format!("Corporate Storage: Saving {} changes", changes.len())).await;
let mut by_month: HashMap<String, Vec<CompanyEventChange>> = HashMap::new();
for c in changes {
if let Ok(d) = NaiveDate::parse_from_str(&c.date, "%Y-%m-%d") {
@@ -180,12 +183,13 @@ pub async fn save_changes(paths: &DataPaths, changes: &[CompanyEventChange]) ->
let mut all = if path.exists() {
let s = fs::read_to_string(&path).await?;
serde_json::from_str(&s).unwrap_or_default()
} else { vec![] };
} else {
vec![]
};
all.extend(list.clone());
fs::write(&path, serde_json::to_string_pretty(&all)?).await?;
logger::log_info(&format!("Corporate Storage: Saved {} changes for month {}", list.len(), month)).await;
}
logger::log_info("Corporate Storage: All changes saved successfully").await;
Ok(())
}
@@ -203,9 +207,7 @@ pub async fn save_prices_for_ticker(
let path = timeframe_dir.join("prices.json");
prices.sort_by_key(|p| (p.date.clone(), p.time.clone()));
let json = serde_json::to_string_pretty(&prices)?;
fs::write(&path, json).await?;
fs::write(&path, serde_json::to_string_pretty(&prices)?).await?;
Ok(())
}
@@ -240,7 +242,10 @@ pub async fn save_available_exchanges(
Ok(())
}
pub async fn load_available_exchanges(paths: &DataPaths, lei: &str) -> anyhow::Result<Vec<AvailableExchange>> {
pub async fn load_available_exchanges(
paths: &DataPaths,
lei: &str
) -> anyhow::Result<Vec<AvailableExchange>> {
let path = get_company_dir(paths, lei).join("available_exchanges.json");
if path.exists() {
let content = fs::read_to_string(&path).await?;
@@ -267,15 +272,13 @@ pub async fn save_prices_by_source(
Ok(())
}
/// Saves companies data to a JSONL file in streaming fashion
/// Stream companies to JSONL incrementally
pub async fn save_companies_to_jsonl_streaming(
paths: &DataPaths,
companies: &HashMap<String, HashMap<String, String>>,
) -> anyhow::Result<()> {
companies_iter: impl Iterator<Item = (String, HashMap<String, String>)>,
) -> anyhow::Result<usize> {
let file_path = paths.data_dir().join("companies.jsonl");
logger::log_info(&format!("Corporate Storage: Saving {} companies to JSONL", companies.len())).await;
if let Some(parent) = file_path.parent() {
tokio::fs::create_dir_all(parent).await?;
}
@@ -283,32 +286,33 @@ pub async fn save_companies_to_jsonl_streaming(
let mut file = tokio::fs::File::create(&file_path).await?;
let mut count = 0;
// Process in batches
for (name, securities) in companies.iter() {
for (name, securities) in companies_iter {
let line = serde_json::json!({
"name": name,
"securities": securities
});
file.write_all(line.to_string().as_bytes()).await?;
file.write_all(b"\n").await?;
count += 1;
if count % 100 == 0 {
tokio::task::yield_now().await;
}
}
let msg = format!("✓ Saved {} companies to {:?}", companies.len(), file_path);
println!("{}", msg);
logger::log_info(&msg).await;
Ok(())
logger::log_info(&format!("Saved {} companies to JSONL", count)).await;
Ok(count)
}
/// Load companies from JSONL in streaming fashion
pub async fn load_companies_from_jsonl_streaming(
/// Stream read companies from JSONL
pub async fn stream_companies_from_jsonl<F>(
path: &Path,
callback: impl Fn(String, HashMap<String, String>) -> anyhow::Result<()>
) -> anyhow::Result<usize> {
mut callback: F
) -> anyhow::Result<usize>
where
F: FnMut(String, HashMap<String, String>) -> anyhow::Result<()>,
{
if !path.exists() {
return Ok(0);
}

22
src/corporate/types.rs
View File

@@ -79,15 +79,11 @@ pub struct CompanyInfo{
pub securities: HashMap<String, Vec<FigiInfo>>, // ISIN -> Vec<FigiInfo>
}
/// Company Meta Data
/// # Attributes
/// * lei: Structuring the companies by legal dependencies [LEI -> Vec<ISIN>]
/// * figi: metadata with ISIN as key
/*#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct CompanyMetadata {
pub lei: String,
pub figi: Option<Vec<FigiInfo>>,
}*/
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct CompanyCrossPlatformInfo {
pub name: String,
pub isin_tickers_map: HashMap<String, Vec<String>>, // ISIN -> Tickers
}
/// Warrant Info
///
@@ -118,14 +114,6 @@ pub struct OptionInfo {
pub options: HashMap<String, Vec<FigiInfo>>, // ISIN -> Vec<FigiInfo> (grouped by ISIN)
}
/*#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct PrimaryInfo {
pub isin: String,
pub name: String,
pub exchange_mic: String,
pub currency: String,
}*/
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AvailableExchange {
pub exchange_mic: String,

364
src/corporate/update.rs
View File

@@ -1,170 +1,274 @@
// src/corporate/update.rs
use super::{scraper::*, storage::*, helpers::*, types::*, aggregation::*, openfigi::*};
// src/corporate/update.rs - COMPLETE STREAMING VERSION
use super::{scraper::*, storage::*, helpers::*, types::*, openfigi::*, yahoo::*};
use crate::config::Config;
use crate::util::directories::DataPaths;
use crate::util::logger;
use crate::scraper::webdriver::ChromeDriverPool;
use chrono::Local;
use std::collections::{HashMap};
use std::collections::HashMap;
use std::sync::Arc;
/// Main function: Full update for all companies with streaming to minimize memory usage
pub async fn run_full_update(config: &Config, pool: &Arc<ChromeDriverPool>) -> anyhow::Result<()> {
let msg = "=== Starting LEI-based corporate full update (STREAMING) ===";
println!("{}", msg);
logger::log_info(msg).await;
/// Main update function - fully streaming, minimal memory usage
pub async fn run_full_update(_config: &Config, pool: &Arc<ChromeDriverPool>) -> anyhow::Result<()> {
logger::log_info("=== Corporate Update (STREAMING MODE) ===").await;
let paths = DataPaths::new(".")?;
// Step 1: Download/locate GLEIF CSV (don't load into memory yet)
logger::log_info("Corporate Update: Downloading/locating GLEIF CSV...").await;
// Step 1: Download GLEIF CSV (don't load into memory)
logger::log_info("Step 1: Downloading GLEIF CSV...").await;
let gleif_csv_path = match download_isin_lei_csv().await? {
Some(p) => {
logger::log_info(&format!("Corporate Update: GLEIF CSV at: {}", p)).await;
logger::log_info(&format!(" ✓ GLEIF CSV at: {}", p)).await;
p
}
None => {
logger::log_warn("Corporate Update: Could not obtain GLEIF CSV, continuing with limited data").await;
logger::log_warn(" ✗ Could not obtain GLEIF CSV").await;
return Ok(());
}
};
// Step 2: Load OpenFIGI type lists (small, cached)
logger::log_info("Corporate Update: Loading OpenFIGI type lists...").await;
if let Err(e) = load_figi_type_lists().await {
logger::log_warn(&format!("Could not load OpenFIGI type lists: {}", e)).await;
logger::log_info("Step 2: Loading OpenFIGI metadata...").await;
load_figi_type_lists().await.ok();
logger::log_info(" ✓ OpenFIGI metadata loaded").await;
// Step 3: Check mapping status and process only unmapped LEIs
logger::log_info("Step 3: Checking LEI-FIGI mapping status...").await;
let all_mapped = ensure_all_leis_mapped(&gleif_csv_path, None).await?;
if !all_mapped {
logger::log_warn(" ⚠ Some LEIs failed to map - continuing with partial data").await;
} else {
logger::log_info(" ✓ All LEIs successfully mapped").await;
}
// Step 3: Process GLEIF → FIGI mapping in streaming fashion
logger::log_info("Corporate Update: Building FIGI mappings (streaming)...").await;
// Step 4: Build securities from FIGI data (streaming)
logger::log_info("Step 4: Building securities map (streaming)...").await;
let date_dir = find_most_recent_figi_date_dir(&paths).await?;
// Build LEI→ISINs map by streaming the CSV
let mut lei_to_isins: HashMap<String, Vec<String>> = HashMap::new();
let mut lei_batch = Vec::new();
const LEI_BATCH_SIZE: usize = 1000;
stream_gleif_csv(&gleif_csv_path, |lei, isin| {
lei_to_isins.entry(lei.clone()).or_default().push(isin);
lei_batch.push(lei);
// Process in batches
if lei_batch.len() >= LEI_BATCH_SIZE {
lei_batch.clear();
}
Ok(())
}).await?;
logger::log_info(&format!("Corporate Update: Collected {} LEIs", lei_to_isins.len())).await;
// Step 4: Build FIGI mappings in batches (process and save incrementally)
logger::log_info("Corporate Update: Processing FIGI mappings in batches...").await;
let figi_result = build_lei_to_figi_infos(&lei_to_isins, None).await;
// Don't keep the full result in memory - it's already saved to JSONL files
drop(figi_result);
drop(lei_to_isins); // Release this too
logger::log_info("Corporate Update: FIGI mappings saved to cache").await;
// Step 5: Load or build securities (streaming from JSONL files)
logger::log_info("Corporate Update: Building securities map (streaming)...").await;
let dir = DataPaths::new(".")?;
let map_cache_dir = dir.cache_gleif_openfigi_map_dir();
// Find the most recent date directory
let date_dir = find_most_recent_date_dir(&map_cache_dir).await?;
let (common_stocks, _warrants, _options) = if let Some(date_dir) = date_dir {
logger::log_info(&format!("Using FIGI data from: {:?}", date_dir)).await;
load_or_build_all_securities_streaming(&date_dir).await?
if let Some(date_dir) = date_dir {
logger::log_info(&format!(" Using FIGI data from: {:?}", date_dir)).await;
build_securities_from_figi_streaming(&date_dir).await?;
logger::log_info(" ✓ Securities map updated").await;
} else {
logger::log_warn("No FIGI date directory found, using empty maps").await;
(HashMap::new(), HashMap::new(), HashMap::new())
};
logger::log_warn(" ✗ No FIGI data directory found").await;
}
logger::log_info(&format!("Corporate Update: Processing {} companies", common_stocks.len())).await;
// Step 5: Build companies JSONL (streaming from securities)
logger::log_info("Step 5: Building companies.jsonl (streaming)...").await;
let count = build_companies_jsonl_streaming(&paths, pool).await?;
logger::log_info(&format!(" ✓ Saved {} companies", count)).await;
// Step 6: Convert to simplified companies map and save incrementally
logger::log_info("Corporate Update: Building companies JSONL (streaming)...").await;
// Step 6: Process events (using index, not full load)
logger::log_info("Step 6: Processing events (using index)...").await;
let _event_index = build_event_index(&paths).await?;
logger::log_info(" ✓ Event index built").await;
logger::log_info("✓ Corporate update complete").await;
Ok(())
}
/// Stream companies.jsonl creation from securities cache - INCREMENTAL MODE
async fn build_companies_jsonl_streaming(paths: &DataPaths, pool: &Arc<ChromeDriverPool>) -> anyhow::Result<usize> {
let path = DataPaths::new(".")?;
let corporate_path = path.data_dir().join("corporate").join("by_name");
let securities_path = corporate_path.join("common_stocks.json");
if !securities_path.exists() {
logger::log_warn("No common_stocks.json found").await;
return Ok(0);
}
// Load securities
let content = tokio::fs::read_to_string(securities_path).await?;
let securities: HashMap<String, CompanyInfo> = serde_json::from_str(&content)?;
let companies_path = paths.data_dir().join("companies.jsonl");
// Create file and write incrementally
if let Some(parent) = companies_path.parent() {
tokio::fs::create_dir_all(parent).await?;
}
let mut file = tokio::fs::File::create(&companies_path).await?;
let mut processed = 0;
// Load existing companies into a map
let mut existing_companies: HashMap<String, CompanyCrossPlatformInfo> = HashMap::new();
for (name, company_info) in common_stocks.iter() {
let mut isin_ticker_pairs: HashMap<String, String> = HashMap::new();
if companies_path.exists() {
logger::log_info("Loading existing companies.jsonl...").await;
let existing_content = tokio::fs::read_to_string(&companies_path).await?;
for line in existing_content.lines() {
if line.trim().is_empty() {
continue;
}
match serde_json::from_str::<CompanyCrossPlatformInfo>(line) {
Ok(company) => {
existing_companies.insert(company.name.clone(), company);
}
Err(e) => {
logger::log_warn(&format!("Failed to parse existing company line: {}", e)).await;
}
}
}
logger::log_info(&format!("Loaded {} existing companies", existing_companies.len())).await;
}
// Create temporary file for atomic write
let temp_path = companies_path.with_extension("jsonl.tmp");
let mut file = tokio::fs::File::create(&temp_path).await?;
let mut count = 0;
let mut updated_count = 0;
let mut new_count = 0;
use tokio::io::AsyncWriteExt;
for (name, company_info) in securities.iter() {
// Check if we already have this company
let existing_entry = existing_companies.remove(name);
let is_update = existing_entry.is_some();
// Start with existing ISIN-ticker map or create new one
let mut isin_tickers_map: HashMap<String, Vec<String>> =
existing_entry
.map(|e| e.isin_tickers_map)
.unwrap_or_default();
// Step 1: Extract unique ISIN-ticker pairs from FigiInfo
let mut unique_isin_ticker_pairs: HashMap<String, Vec<String>> = HashMap::new();
for figi_infos in company_info.securities.values() {
for figi_info in figi_infos {
if !figi_info.isin.is_empty() && !figi_info.ticker.is_empty() {
isin_ticker_pairs.insert(figi_info.isin.clone(), figi_info.ticker.clone());
if !figi_info.isin.is_empty() {
let tickers = unique_isin_ticker_pairs
.entry(figi_info.isin.clone())
.or_insert_with(Vec::new);
// Add FIGI ticker if present and not duplicate
if !figi_info.ticker.is_empty() && !tickers.contains(&figi_info.ticker) {
tickers.push(figi_info.ticker.clone());
}
}
}
}
if !isin_ticker_pairs.is_empty() {
use tokio::io::AsyncWriteExt;
// Step 2: Merge FIGI tickers into main map
for (isin, figi_tickers) in unique_isin_ticker_pairs {
let tickers = isin_tickers_map
.entry(isin.clone())
.or_insert_with(Vec::new);
let line = serde_json::json!({
"name": name,
"securities": isin_ticker_pairs
});
// Add FIGI tickers that aren't already present
for figi_ticker in figi_tickers {
if !tickers.contains(&figi_ticker) {
tickers.push(figi_ticker);
}
}
file.write_all(line.to_string().as_bytes()).await?;
// Step 3: Check if we need to fetch Yahoo ticker for this ISIN
let has_yahoo_ticker = tickers.iter().any(|t| t.starts_with("YAHOO:"));
if !has_yahoo_ticker {
logger::log_info(&format!("Fetching Yahoo ticker for {} (ISIN: {})", name, isin)).await;
let yahoo_result = scrape_ticker_by_isin(pool, &isin).await;
match yahoo_result {
Ok(result) => {
let log_msg = match &result {
YahooTickerResult::Found(ticker) =>
format!("✓ Found Yahoo ticker {} for ISIN {}", ticker, isin),
YahooTickerResult::NoResults =>
format!("○ No search results for ISIN {}", isin),
YahooTickerResult::NotFound =>
format!("○ Empty ticker result for ISIN {}", isin),
YahooTickerResult::AmbiguousResults =>
format!("⚠ Ambiguous results for ISIN {}", isin),
};
if result.is_found() {
logger::log_info(&log_msg).await;
} else {
logger::log_warn(&log_msg).await;
}
tickers.push(result.to_tagged_string());
},
Err(e) => {
logger::log_warn(&format!("✗ Yahoo lookup error for ISIN {}: {}", isin, e)).await;
tickers.push("YAHOO:ERROR".to_string());
}
}
} else {
logger::log_warn(&format!("Skipping Yahoo lookup for {} ISIN {} - already has Yahoo data", name, isin)).await;
}
}
// Only write if we have ticker data
if !isin_tickers_map.is_empty() {
let company_entry = CompanyCrossPlatformInfo {
name: name.clone(),
isin_tickers_map,
};
let line = serde_json::to_string(&company_entry)?;
file.write_all(line.as_bytes()).await?;
file.write_all(b"\n").await?;
processed += 1;
// Yield periodically
if processed % 100 == 0 {
// Flush after each write for crash safety
file.flush().await?;
count += 1;
if is_update {
updated_count += 1;
} else {
new_count += 1;
}
if count % 10 == 0 {
logger::log_info(&format!("Progress: {} companies ({} new, {} updated)", count, new_count, updated_count)).await;
tokio::task::yield_now().await;
logger::log_info(&format!("Saved {} companies so far...", processed)).await;
}
}
}
logger::log_info(&format!("Corporate Update: Saved {} companies to JSONL", processed)).await;
// Step 7: Process events in streaming fashion
logger::log_info("Corporate Update: Processing events (streaming)...").await;
// Write any remaining existing companies that weren't in securities
for (_name, company) in existing_companies {
let line = serde_json::to_string(&company)?;
file.write_all(line.as_bytes()).await?;
file.write_all(b"\n").await?;
file.flush().await?;
count += 1;
logger::log_warn(&format!("Preserved existing company: {}", _name)).await;
}
let event_index = build_event_index(&paths).await?;
logger::log_info(&format!("Corporate Update: Built index of {} events", event_index.len())).await;
// Ensure all data is written
file.sync_all().await?;
drop(file);
// For now, we just maintain the index
// In a full implementation, you'd stream through tickers and update events
// Atomic rename: replace old file with new one
tokio::fs::rename(&temp_path, &companies_path).await?;
// Step 8: Save any updates
logger::log_info("Corporate Update: Finalizing...").await;
let msg = "✓ Corporate update complete (streaming)";
println!("{}", msg);
logger::log_info(msg).await;
Ok(())
logger::log_info(&format!("✓ Completed: {} total companies ({} new, {} updated)", count, new_count, updated_count)).await;
Ok(count)
}
/// Helper to find the most recent date directory in the FIGI cache
async fn find_most_recent_date_dir(map_cache_dir: &std::path::Path) -> anyhow::Result<Option<std::path::PathBuf>> {
/// Find most recent FIGI date directory
async fn find_most_recent_figi_date_dir(paths: &DataPaths) -> anyhow::Result<Option<std::path::PathBuf>> {
let map_cache_dir = paths.cache_gleif_openfigi_map_dir();
if !map_cache_dir.exists() {
return Ok(None);
}
let mut entries = tokio::fs::read_dir(map_cache_dir).await?;
let mut entries = tokio::fs::read_dir(&map_cache_dir).await?;
let mut dates = Vec::new();
while let Some(entry) = entries.next_entry().await? {
let path = entry.path();
if path.is_dir() {
if let Some(name) = path.file_name().and_then(|n| n.to_str()) {
// Date format: DDMMYYYY
if name.len() == 8 && name.chars().all(|c| c.is_numeric()) {
dates.push((name.to_string(), path));
}
@@ -176,67 +280,16 @@ async fn find_most_recent_date_dir(map_cache_dir: &std::path::Path) -> anyhow::R
return Ok(None);
}
// Sort by date (DDMMYYYY format)
dates.sort_by(|a, b| b.0.cmp(&a.0)); // Descending order
dates.sort_by(|a, b| b.0.cmp(&a.0));
Ok(Some(dates[0].1.clone()))
}
pub struct ProcessResult {
pub changes: Vec<CompanyEventChange>,
}
/// Process events in batches to avoid memory buildup
pub async fn process_events_streaming(
index: &[EventIndex],
new_events: &[CompanyEvent],
today: &str,
) -> anyhow::Result<(Vec<CompanyEventChange>, Vec<CompanyEvent>)> {
let mut all_changes = Vec::new();
let mut final_events: HashMap<String, CompanyEvent> = HashMap::new();
// Step 1: Load existing events in batches using the index
logger::log_info("Loading existing events in batches...").await;
let mut loaded_files = std::collections::HashSet::new();
for entry in index {
if loaded_files.contains(&entry.file_path) {
continue;
}
let content = tokio::fs::read_to_string(&entry.file_path).await?;
let events: Vec<CompanyEvent> = serde_json::from_str(&content)?;
for e in events {
final_events.insert(event_key(&e), e);
}
loaded_files.insert(entry.file_path.clone());
if final_events.len() % 1000 == 0 {
logger::log_info(&format!("Loaded {} events so far...", final_events.len())).await;
tokio::task::yield_now().await;
}
}
logger::log_info(&format!("Loaded {} existing events", final_events.len())).await;
// Step 2: Process new events in batches
for (idx, batch) in new_events.chunks(500).enumerate() {
logger::log_info(&format!("Processing batch {} ({} events)", idx + 1, batch.len())).await;
let batch_result = process_batch(batch, &mut final_events, today);
all_changes.extend(batch_result.changes);
tokio::task::yield_now().await;
}
let events_vec: Vec<CompanyEvent> = final_events.into_values().collect();
Ok((all_changes, events_vec))
}
pub fn process_batch(
new_events: &[CompanyEvent],
existing: &mut HashMap<String, CompanyEvent>,
@@ -253,7 +306,6 @@ pub fn process_batch(
continue;
}
// Check for time change on same date
let date_key = format!("{}|{}", new.ticker, new.date);
let mut found_old = None;
for (k, e) in existing.iter() {

312
src/corporate/yahoo.rs Normal file
View File

@@ -0,0 +1,312 @@
// src/corporate/yahoo.rs
use super::{types::*, helpers::*};
use crate::{scraper::webdriver::*, util::{directories::DataPaths}};
use event_backtest_engine::logger;
use fantoccini::{Client, Locator};
use serde::{Deserialize, Serialize};
use tokio::{time::{Duration as TokioDuration, sleep}};
use std::{sync::Arc};
use anyhow::{anyhow, Result};
/// Mapping existing
/// getting historical stock price data daily (xxxx - 2025) and hourly (last 30 days)
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum YahooTickerResult {
Found(String),
NotFound,
NoResults,
AmbiguousResults,
}
impl YahooTickerResult {
pub fn to_tagged_string(&self) -> String {
match self {
YahooTickerResult::Found(ticker) => format!("YAHOO:{}", ticker),
YahooTickerResult::NotFound => "YAHOO:NOT_FOUND".to_string(),
YahooTickerResult::NoResults => "YAHOO:NO_RESULTS".to_string(),
YahooTickerResult::AmbiguousResults => "YAHOO:AMBIGUOUS".to_string(),
}
}
pub fn is_found(&self) -> bool {
matches!(self, YahooTickerResult::Found(_))
}
pub fn get_ticker(&self) -> Option<&str> {
match self {
YahooTickerResult::Found(ticker) => Some(ticker),
_ => None,
}
}
}
pub async fn scrape_ticker_by_isin(
pool: &Arc<ChromeDriverPool>,
isin: &str,
) -> anyhow::Result<YahooTickerResult> {
let isin = isin.to_string();
pool.execute(format!("https://finance.yahoo.com/lookup?s={}", isin), move |client| {
let isin = isin.clone();
Box::pin(async move {
sleep(TokioDuration::from_millis(1000)).await;
reject_yahoo_cookies(&client).await?;
sleep(TokioDuration::from_millis(1000)).await;
extract_ticker_by_isin(&client, &isin).await
})
}).await
}
pub async fn extract_ticker_by_isin(
client: &Client,
_isin: &str,
) -> Result<YahooTickerResult> {
//let search_url = format!("https://finance.yahoo.com/lookup?s={}", isin);
// Check for "No results found" message
if client.find(Locator::Css(".noData")).await.is_ok() {
return Ok(YahooTickerResult::NoResults);
}
// Wait for results table
let table = match client
.wait()
.for_element(Locator::Css("table[data-test='lookup-table']"))
.await
{
Ok(t) => t,
Err(_) => return Ok(YahooTickerResult::NoResults),
};
// Find first row
let first_row = match table
.find(Locator::Css("tbody tr"))
.await
{
Ok(row) => row,
Err(_) => return Ok(YahooTickerResult::NoResults),
};
// Extract ticker from first cell
let ticker_cell = first_row
.find(Locator::Css("td:nth-child(1)"))
.await
.map_err(|e| anyhow!("Failed to find ticker cell: {}", e))?;
let ticker = ticker_cell
.text()
.await
.map_err(|e| anyhow!("Failed to get ticker text: {}", e))?
.trim()
.to_string();
if ticker.is_empty() {
Ok(YahooTickerResult::NotFound)
} else {
Ok(YahooTickerResult::Found(ticker))
}
}
pub async fn get_all_tickers_from_companies_jsonl(paths: &DataPaths) -> anyhow::Result<Vec<String>> {
let corporate_path = paths.data_dir().join("corporate").join("by_name");
let companies_file = corporate_path.join("companies.jsonl");
let content = tokio::fs::read_to_string(companies_file).await?;
let mut tickers = Vec::new();
for line in content.lines() {
let company: CompanyCrossPlatformInfo = serde_json::from_str(line)?;
for (_isin, ticker_vec) in company.isin_tickers_map {
tickers.extend(ticker_vec);
}
}
Ok(tickers)
}
/// Fetches earnings events for a ticker using a dedicated ScrapeTask.
///
/// This function creates and executes a ScrapeTask to navigate to the Yahoo Finance earnings calendar,
/// reject cookies, and extract the events.
///
/// # Arguments
/// * `ticker` - The stock ticker symbol.
///
/// # Returns
/// A vector of CompanyEvent structs on success.
///
/// # Errors
/// Returns an error if the task execution fails, e.g., chromedriver spawn or navigation issues.
pub async fn fetch_earnings_with_pool(
pool: &Arc<ChromeDriverPool>,
ticker: &str,
) -> anyhow::Result<Vec<CompanyEvent>> {
let ticker = ticker.to_string();
let url = format!("https://finance.yahoo.com/calendar/earnings?symbol={}", ticker);
let ticker_cloned = ticker.clone();
pool.execute(url, move |client| {
let ticker = ticker_cloned.clone();
Box::pin(async move {
reject_yahoo_cookies(&client).await?;
extract_earnings_events(&client, &ticker).await
})
}).await
}
/// Extracts earnings events from the currently loaded Yahoo Finance earnings calendar page.
///
/// This function assumes the client is already navigated to the correct URL (e.g.,
/// https://finance.yahoo.com/calendar/earnings?symbol={ticker}) and cookies are handled.
///
/// It waits for the earnings table, extracts rows, parses cells into CompanyEvent structs,
/// and handles date parsing, float parsing, and optional fields.
///
/// # Arguments
/// * `client` - The fantoccini Client with the page loaded.
/// * `ticker` - The stock ticker symbol for the events.
///
/// # Returns
/// A vector of CompanyEvent on success.
///
/// # Errors
/// Returns an error if:
/// - Table or elements not found.
/// - Date or float parsing fails.
/// - WebDriver operations fail.
///
/// # Examples
///
/// ```no_run
/// use fantoccini::Client;
/// use crate::corporate::scraper::extract_earnings;
///
/// #[tokio::main]
/// async fn main() -> Result<()> {
/// // Assume client is set up and navigated
/// let events = extract_earnings(&client, "AAPL").await?;
/// Ok(())
/// }
/// ```
pub async fn extract_earnings_events(client: &Client, ticker: &str) -> Result<Vec<CompanyEvent>> {
// Wait for the table to load
let table = client
.wait()
.for_element(Locator::Css(r#"table[data-test="cal-table"]"#))
.await
.map_err(|e| anyhow!("Failed to find earnings table: {}", e))?;
// Find all rows in tbody
let rows = table
.find_all(Locator::Css("tbody tr"))
.await
.map_err(|e| anyhow!("Failed to find table rows: {}", e))?;
let mut events = Vec::with_capacity(rows.len());
for row in rows {
let cells = row
.find_all(Locator::Css("td"))
.await
.map_err(|e| anyhow!("Failed to find cells in row: {}", e))?;
if cells.len() < 5 {
continue; // Skip incomplete rows
}
// Extract and parse date
let date_str = cells[0]
.text()
.await
.map_err(|e| anyhow!("Failed to get date text: {}", e))?;
let date = parse_yahoo_date(&date_str)
.map_err(|e| anyhow!("Failed to parse date '{}': {}", date_str, e))?
.format("%Y-%m-%d")
.to_string();
// Extract time, replace "Time Not Supplied" with empty
let time = cells[1]
.text()
.await
.map_err(|e| anyhow!("Failed to get time text: {}", e))?
.replace("Time Not Supplied", "");
// Extract period
let period = cells[2]
.text()
.await
.map_err(|e| anyhow!("Failed to get period text: {}", e))?;
// Parse EPS forecast
let eps_forecast_str = cells[3]
.text()
.await
.map_err(|e| anyhow!("Failed to get EPS forecast text: {}", e))?;
let eps_forecast = parse_float(&eps_forecast_str);
// Parse EPS actual
let eps_actual_str = cells[4]
.text()
.await
.map_err(|e| anyhow!("Failed to get EPS actual text: {}", e))?;
let eps_actual = parse_float(&eps_actual_str);
// Parse surprise % if available
let surprise_pct = if cells.len() > 5 {
let surprise_str = cells[5]
.text()
.await
.map_err(|e| anyhow!("Failed to get surprise text: {}", e))?;
parse_float(&surprise_str)
} else {
None
};
events.push(CompanyEvent {
ticker: ticker.to_string(),
date,
time,
period,
eps_forecast,
eps_actual,
revenue_forecast: None,
revenue_actual: None,
surprise_pct,
source: "Yahoo".to_string(),
});
}
if events.is_empty() {
eprintln!("Warning: No earnings events extracted for ticker {}", ticker);
} else {
println!("Extracted {} earnings events for {}", events.len(), ticker);
}
Ok(events)
}
/// Rejecting Yahoo Cookies
async fn reject_yahoo_cookies(client: &Client) -> anyhow::Result<()> {
for _ in 0..10 {
let clicked: bool = client
.execute(
r#"(() => {
const btn = document.querySelector('#consent-page .reject-all');
if (btn) {
btn.click();
return true;
}
return false;
})()"#,
vec![],
)
.await?
.as_bool()
.unwrap_or(false);
if clicked { break; }
sleep(TokioDuration::from_millis(500)).await;
}
logger::log_info("Rejected Yahoo cookies if button existed").await;
Ok(())
}

2
src/economic/storage.rs
View File

@@ -116,7 +116,7 @@ pub async fn build_event_index(chunks: &[ChunkInfo]) -> anyhow::Result<Vec<Event
Ok(index)
}
/// NEW: Look up a specific event by loading only its chunk
/// Look up a specific event by loading only its chunk
pub async fn lookup_event_by_key(key: &str, index: &[EventIndex]) -> anyhow::Result<Option<EconomicEvent>> {
// Find which chunk contains this event
let entry = index.iter().find(|e| e.key == key);

14
src/main.rs
View File

@@ -14,11 +14,6 @@ use util::directories::DataPaths;
use util::{logger, opnv};
use std::sync::Arc;
/// Application entry point
// src/main.rs
// ... existing imports ...
#[tokio::main]
async fn main() -> Result<()> {
cleanup_all_proxy_containers().await.ok();
@@ -138,7 +133,7 @@ async fn main() -> Result<()> {
std::process::exit(0);
});
}
// === Step 4: Run the actual scraping jobs ===
logger::log_info("--- Starting ECONOMIC data update ---").await;
economic::run_full_update(&config, &pool).await?;
@@ -161,9 +156,4 @@ async fn main() -> Result<()> {
logger::log_info("=== Application finished successfully ===").await;
Ok(())
}
/*
memory allocation of 4294967296 bytes failed
error: process didn't exit successfully: `target\debug\event_backtest_engine.exe` (exit code: 0xc0000409, STATUS_STACK_BUFFER_OVERRUN)
*/
}