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added creating CompanyInfo mapping

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This commit is contained in:
Patrick Mahnke-Hartmann
2025-12-04 13:33:32 +01:00
parent 95fd9ca141
commit ef2393ab70
13 changed files with 965 additions and 696 deletions
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31
Cargo.lock generated
View File

@@ -678,6 +678,7 @@ dependencies = [
"serde", "serde",
"serde_json", "serde_json",
"tokio", "tokio",
"toml",
"tracing", "tracing",
"tracing-subscriber", "tracing-subscriber",
"yfinance-rs", "yfinance-rs",
@@ -2671,6 +2672,15 @@ dependencies = [
"serde_core", "serde_core",
] ]
[[package]]
name = "serde_spanned"
version = "1.0.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e24345aa0fe688594e73770a5f6d1b216508b4f93484c0026d521acd30134392"
dependencies = [
"serde_core",
]
[[package]] [[package]]
name = "serde_urlencoded" name = "serde_urlencoded"
version = "0.7.1" version = "0.7.1"
@@ -3116,6 +3126,21 @@ dependencies = [
"tokio", "tokio",
] ]
[[package]]
name = "toml"
version = "0.9.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f0dc8b1fb61449e27716ec0e1bdf0f6b8f3e8f6b05391e8497b8b6d7804ea6d8"
dependencies = [
"indexmap",
"serde_core",
"serde_spanned",
"toml_datetime",
"toml_parser",
"toml_writer",
"winnow",
]
[[package]] [[package]]
name = "toml_datetime" name = "toml_datetime"
version = "0.7.3" version = "0.7.3"
@@ -3146,6 +3171,12 @@ dependencies = [
"winnow", "winnow",
] ]
[[package]]
name = "toml_writer"
version = "1.0.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "df8b2b54733674ad286d16267dcfc7a71ed5c776e4ac7aa3c3e2561f7c637bf2"
[[package]] [[package]]
name = "tower" name = "tower"
version = "0.5.2" version = "0.5.2"

1
Cargo.toml
View File

@@ -34,6 +34,7 @@ rand = "0.9.2"
# Environment handling # Environment handling
dotenvy = "0.15" dotenvy = "0.15"
toml = "0.9.8"
# Date & time # Date & time
chrono = { version = "0.4", features = ["serde"] } chrono = { version = "0.4", features = ["serde"] }

58
src/config.rs
View File

@@ -1,14 +1,23 @@
// src/config.rs use anyhow::{Context, Result};
#[derive(Debug, Clone)] use chrono::{self, Duration};
use serde::{Deserialize, Serialize};
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Config { pub struct Config {
// Economic calendar start (usually the earliest available on finanzen.net) // Economic calendar start (usually the earliest available on finanzen.net)
pub economic_start_date: String, // e.g. "2007-02-13" pub economic_start_date: String, // e.g. "2007-02-13"
// Corporate earnings & price history start // Corporate earnings & price history start
pub corporate_start_date: String, // e.g. "2000-01-01" or "2010-01-01" pub corporate_start_date: String, // e.g. "2000-01-01" or "2010-01-01"
// How far into the future we scrape economic events // How far into the future we scrape economic events
pub economic_lookahead_months: u32, // default: 3 pub economic_lookahead_months: u32, // default: 3
/// Maximum number of parallel scraping tasks (default: 10).
/// This limits concurrency to protect system load and prevent website spamming.
#[serde(default = "default_max_parallel")]
pub max_parallel_tasks: usize,
}
fn default_max_parallel() -> usize {
10
} }
impl Default for Config { impl Default for Config {
@@ -17,11 +26,52 @@ impl Default for Config {
economic_start_date: "2007-02-13".to_string(), economic_start_date: "2007-02-13".to_string(),
corporate_start_date: "2010-01-01".to_string(), corporate_start_date: "2010-01-01".to_string(),
economic_lookahead_months: 3, economic_lookahead_months: 3,
max_parallel_tasks: default_max_parallel(),
} }
} }
} }
impl Config { impl Config {
/// Loads the configuration from environment variables using dotenvy.
///
/// This function loads a `.env` file if present (via `dotenvy::dotenv()`),
/// then retrieves each configuration value from environment variables.
/// If a variable is missing, it falls back to the default value.
/// Variable names are uppercase with underscores (e.g., ECONOMIC_START_DATE).
///
/// # Returns
/// The loaded Config on success.
///
/// # Errors
/// Returns an error if parsing fails (e.g., invalid integer for lookahead months).
pub fn load() -> Result<Self> {
// Load .env file if it exists; ignore if not found (dotenvy::dotenv returns Ok if no file)
let _ = dotenvy::dotenv().context("Failed to load .env file (optional)")?;
let economic_start_date = dotenvy::var("ECONOMIC_START_DATE")
.unwrap_or_else(|_| "2007-02-13".to_string());
let corporate_start_date = dotenvy::var("CORPORATE_START_DATE")
.unwrap_or_else(|_| "2010-01-01".to_string());
let economic_lookahead_months: u32 = dotenvy::var("ECONOMIC_LOOKAHEAD_MONTHS")
.unwrap_or_else(|_| "3".to_string())
.parse()
.context("Failed to parse ECONOMIC_LOOKAHEAD_MONTHS as u32")?;
let max_parallel_tasks: usize = dotenvy::var("MAX_PARALLEL_TASKS")
.unwrap_or_else(|_| "10".to_string())
.parse()
.context("Failed to parse MAX_PARALLEL_TASKS as usize")?;
Ok(Self {
economic_start_date,
corporate_start_date,
economic_lookahead_months,
max_parallel_tasks,
})
}
pub fn target_end_date(&self) -> String { pub fn target_end_date(&self) -> String {
let now = chrono::Local::now().naive_local().date(); let now = chrono::Local::now().naive_local().date();
let future = now + chrono::Duration::days(30 * self.economic_lookahead_months as i64); let future = now + chrono::Duration::days(30 * self.economic_lookahead_months as i64);

1
src/corporate/mod.rs
View File

@@ -8,5 +8,4 @@ pub mod aggregation;
pub mod fx; pub mod fx;
pub mod openfigi; pub mod openfigi;
pub use types::*;
pub use update::run_full_update; pub use update::run_full_update;

494
src/corporate/openfigi.rs
View File

@@ -287,84 +287,6 @@ pub async fn build_lei_to_figi_infos(lei_to_isins: &HashMap<String, Vec<String>>
Ok(lei_to_figis) Ok(lei_to_figis)
} }
/// Loads or builds the LEI-to-FigiInfo map, filtering for equities via OpenFIGI.
///
/// Attempts to load from "data/companies_by_lei/lei_to_figi.jsonl" (JSON Lines format, one LEI entry per line).
/// For any missing LEIs (compared to `lei_to_isins`), fetches their FigiInfos and appends
/// to the .jsonl file incrementally. This allows resumption after interruptions: on restart,
/// already processed LEIs are skipped, and only missing ones are fetched.
///
/// If no API key is present, skips building and returns the loaded map (possibly partial).
///
/// # Arguments
///
/// * `lei_to_isins` - HashMap of LEI to Vec<ISIN> (used for building missing entries).
///
/// # Returns
///
/// The complete (or partial if interrupted) HashMap<LEI, Vec<FigiInfo>>.
///
/// # Errors
///
/// Returns an error if file I/O fails, JSON serialization/deserialization fails,
/// or if OpenFIGI queries fail during building.
pub async fn load_or_build_lei_to_figi_infos(lei_to_isins: &HashMap<String, Vec<String>>) -> anyhow::Result<HashMap<String, Vec<FigiInfo>>> {
let data_dir = Path::new("data");
tokio_fs::create_dir_all(data_dir).await.context("Failed to create data directory")?;
let path = data_dir.join("lei_to_figi.jsonl");
let mut lei_to_figis: HashMap<String, Vec<FigiInfo>> = load_lei_to_figi_jsonl(&path)?;
let client = OpenFigiClient::new()?;
if !client.has_key {
println!("No API key—using partial LEI→FIGI map with {} entries", lei_to_figis.len());
return Ok(lei_to_figis);
}
// Sort LEIs for deterministic processing order
let mut leis: Vec<_> = lei_to_isins.keys().cloned().collect();
leis.sort();
let mut processed = lei_to_figis.len();
let total = leis.len();
for lei in leis {
if lei_to_figis.contains_key(&lei) {
continue; // Skip already processed
}
let isins = match lei_to_isins.get(&lei) {
Some(i) => i,
None => continue,
};
let unique_isins: Vec<_> = isins.iter().cloned().collect::<HashSet<_>>().into_iter().collect();
let equity_figi_infos = client.map_isins_to_figi_infos(&unique_isins).await?;
let mut figis = equity_figi_infos;
if !figis.is_empty() {
figis.sort_by_key(|f| f.figi.clone());
figis.dedup_by_key(|f| f.figi.clone());
}
// Append to .jsonl
append_lei_to_figi_jsonl(&path, &lei, &figis)?;
// Insert into in-memory map (optional, but useful for return value)
lei_to_figis.insert(lei.clone(), figis);
processed += 1;
if processed % 100 == 0 {
println!("Processed {}/{} LEIs → {} total equity FIGIs", processed, total, lei_to_figis.values().map(|v| v.len()).sum::<usize>());
}
tokio::time::sleep(Duration::from_millis(100)).await;
}
println!("Completed LEI→FIGI map: {} mappings (equity-only)", lei_to_figis.len());
Ok(lei_to_figis)
}
/// Loads LEI-to-FigiInfo map from a JSON Lines file. /// Loads LEI-to-FigiInfo map from a JSON Lines file.
/// ///
/// Each line is expected to be a JSON object: {"lei": "ABC", "figis": [FigiInfo...]} /// Each line is expected to be a JSON object: {"lei": "ABC", "figis": [FigiInfo...]}
@@ -436,60 +358,396 @@ fn append_lei_to_figi_jsonl(path: &Path, lei: &str, figis: &[FigiInfo]) -> anyho
Ok(()) Ok(())
} }
/// Loads or builds a list of CompanyMetadata using LEI as the primary key. /// Loads or builds a HashMap of CompanyInfo objects indexed by company name.
/// ///
/// Attempts to load pre-built company metadata from "data/companies_by_lei/companies_lei.json". /// This function:
/// If the cache does not exist, builds the metadata by first obtaining the LEI-to-FigiInfo map /// 1. Attempts to load existing companies from cache
/// (loading or fetching via OpenFIGI if necessary), then constructs CompanyMetadata for each LEI. /// 2. If cache exists, updates/extends it with new data from figi_to_lei
/// 3. If no cache exists, creates a new HashMap from scratch
/// 4. Saves the result back to cache
/// ///
/// Only includes LEIs that have associated ISINs from the input map. If no FigiInfos are available /// For existing entries (matched by name):
/// for a LEI (e.g., no equity listings), the `figi` field will be `None`. /// - Merges securities lists (deduplicates by FIGI)
/// - Updates primary_isin if the existing one is empty or not in the securities list
///
/// For new entries:
/// - Adds them to the HashMap
///
/// Companies with no FigiInfo data are skipped.
/// The resulting HashMap is saved to `data/companies_by_name/companies.json`.
/// ///
/// # Arguments /// # Arguments
/// /// * `figi_to_lei` - HashMap mapping LEI to Vec<FigiInfo>.
/// * `lei_to_isins` - Mapping of LEI to associated ISINs (used for building the FigiInfo map if needed).
/// ///
/// # Returns /// # Returns
/// /// A HashMap mapping company name to CompanyInfo.
/// A vector of `CompanyMetadata` structs, sorted by LEI.
/// ///
/// # Errors /// # Errors
/// Returns an error if file I/O fails or JSON serialization fails.
pub async fn load_or_build_companies_by_name(
figi_to_lei: &HashMap<String, Vec<FigiInfo>>
) -> anyhow::Result<HashMap<String, CompanyInfo>> {
// Try to load existing cache
let mut companies_by_name = match load_companies_by_name_internal().await? {
Some(existing) => {
println!("Loaded {} existing companies from cache", existing.len());
existing
},
None => {
println!("No existing cache found, creating new companies HashMap");
HashMap::new()
}
};
let initial_count = companies_by_name.len();
let mut added_count = 0;
let mut updated_count = 0;
println!("Processing {} LEI entries from FIGI data...", figi_to_lei.len());
for (lei, figi_infos) in figi_to_lei.iter() {
// Skip entries with no FigiInfo data
if figi_infos.is_empty() {
continue;
}
// Get company name from first FigiInfo entry
let name = figi_infos[0].name.clone();
if name.is_empty() {
continue;
}
// Check if company already exists
if let Some(existing_company) = companies_by_name.get_mut(&name) {
// Update existing entry
let merged_securities = merge_securities(&existing_company.securities, figi_infos);
let securities_added = merged_securities.len() - existing_company.securities.len();
if securities_added > 0 {
existing_company.securities = merged_securities;
// Update primary_isin if needed
if existing_company.primary_isin.is_empty() ||
!existing_company.securities.iter().any(|s| s.isin == existing_company.primary_isin) {
existing_company.primary_isin = existing_company.securities[0].isin.clone();
}
updated_count += 1;
}
} else {
// Add new entry
let primary_isin = figi_infos[0].isin.clone();
let securities = figi_infos.clone();
let company_info = CompanyInfo {
name: name.clone(),
primary_isin,
securities,
};
companies_by_name.insert(name, company_info);
added_count += 1;
}
}
println!(" Companies statistics:");
println!(" - Initial: {}", initial_count);
println!(" - Added: {}", added_count);
println!(" - Updated: {}", updated_count);
println!(" - Total: {}", companies_by_name.len());
// Save to JSON
save_companies_by_name(&companies_by_name).await?;
Ok(companies_by_name)
}
/// Merges two lists of FigiInfo, deduplicating by FIGI.
/// ///
/// Returns an error if file I/O fails, JSON serialization/deserialization fails, /// # Arguments
/// or if building the LEI-to-FigiInfo map encounters issues (e.g., API errors). /// * `existing` - Existing securities list
pub async fn load_or_build_companies_lei( /// * `new_securities` - New securities to merge
lei_to_isins: &HashMap<String, Vec<String>>, ///
) -> anyhow::Result<Vec<CompanyMetadata>> { /// # Returns
let cache_path = Path::new("data/companies_by_lei/companies_lei.json"); /// Merged and deduplicated list of FigiInfo
fn merge_securities(existing: &[FigiInfo], new_securities: &[FigiInfo]) -> Vec<FigiInfo> {
let mut merged = existing.to_vec();
let existing_figis: HashSet<String> = existing.iter()
.map(|f| f.figi.clone())
.collect();
if cache_path.exists() { for new_sec in new_securities {
let content = tokio_fs::read_to_string(cache_path).await.context("Failed to read companies cache")?; if !existing_figis.contains(&new_sec.figi) {
let mut companies: Vec<CompanyMetadata> = serde_json::from_str(&content).context("Failed to parse companies JSON")?; merged.push(new_sec.clone());
companies.sort_by_key(|c| c.lei.clone()); }
println!("Loaded {} LEI-keyed companies from cache.", companies.len());
return Ok(companies);
} }
// Build or load the LEI-to-FigiInfo map (with incremental persistence) // Sort by FIGI for consistency
let lei_to_figi = load_or_build_lei_to_figi_infos(lei_to_isins).await?; merged.sort_by(|a, b| a.figi.cmp(&b.figi));
// Build companies from all LEIs in lei_to_isins (even if no FigiInfos) merged
let mut companies = Vec::new();
for lei in lei_to_isins.keys() {
let figis = lei_to_figi.get(lei).cloned();
companies.push(CompanyMetadata {
lei: lei.clone(),
figi: figis.and_then(|v| if v.is_empty() { None } else { Some(v) }),
});
} }
companies.sort_by_key(|c| c.lei.clone()); /// Internal function to load the companies HashMap from cache.
///
/// # Returns
/// Some(HashMap) if the cache file exists and is valid, None otherwise.
///
/// # Errors
/// Returns an error if file I/O fails or JSON parsing fails.
async fn load_companies_by_name_internal() -> anyhow::Result<Option<HashMap<String, CompanyInfo>>> {
let cache_file = Path::new("data/companies_by_name/companies.json");
// Cache the result if !cache_file.exists() {
let data_dir = Path::new("data"); return Ok(None);
tokio_fs::create_dir_all(data_dir).await.context("Failed to create data directory")?; }
tokio_fs::write(cache_path, serde_json::to_string_pretty(&companies)?).await.context("Failed to write companies cache")?;
let content = tokio_fs::read_to_string(cache_file).await
println!("Built and cached {} LEI-keyed companies.", companies.len()); .context("Failed to read companies.json")?;
Ok(companies)
let companies: HashMap<String, CompanyInfo> = serde_json::from_str(&content)
.context("Failed to parse companies.json")?;
Ok(Some(companies))
}
/// Saves the companies HashMap to cache.
///
/// # Arguments
/// * `companies` - The companies HashMap to save
///
/// # Errors
/// Returns an error if file I/O fails or JSON serialization fails.
async fn save_companies_by_name(companies: &HashMap<String, CompanyInfo>) -> anyhow::Result<()> {
let cache_dir = Path::new("data/companies_by_name");
tokio_fs::create_dir_all(cache_dir).await
.context("Failed to create data/companies_by_name directory")?;
let cache_file = cache_dir.join("companies.json");
let json_str = serde_json::to_string_pretty(&companies)
.context("Failed to serialize companies to JSON")?;
tokio_fs::write(&cache_file, json_str).await
.context("Failed to write companies.json")?;
println!(" ✓ Saved {} companies to {}", companies.len(), cache_file.display());
Ok(())
}
/// Loads all OpenFIGI mapping value lists (marketSecDes, micCode, securityType).
///
/// This function fetches the available values for each mapping parameter from the OpenFIGI API
/// and caches them as JSON files in `data/openfigi/`. If the files already exist and are recent
/// (less than 30 days old), they are reused instead of re-fetching.
///
/// # Returns
/// Ok(()) on success.
///
/// # Errors
/// Returns an error if API requests fail, JSON parsing fails, or file I/O fails.
pub async fn load_figi_type_lists() -> anyhow::Result<()> {
println!("Loading OpenFIGI mapping value lists...");
let client = OpenFigiClient::new()?;
// Create cache directory
let cache_dir = Path::new("data/openfigi");
tokio_fs::create_dir_all(cache_dir).await
.context("Failed to create data/openfigi directory")?;
// Fetch each type list
get_figi_market_sec_des(&client, cache_dir).await?;
get_figi_mic_code(&client, cache_dir).await?;
get_figi_security_type(&client, cache_dir).await?;
println!("OpenFIGI mapping value lists loaded successfully");
Ok(())
}
/// Fetches and caches the list of valid marketSecDes values.
///
/// # Arguments
/// * `client` - The OpenFIGI client instance.
/// * `cache_dir` - Directory to save the cached JSON file.
///
/// # Returns
/// Ok(()) on success.
///
/// # Errors
/// Returns an error if the API request fails or file I/O fails.
async fn get_figi_market_sec_des(client: &OpenFigiClient, cache_dir: &Path) -> anyhow::Result<()> {
let cache_file = cache_dir.join("marketSecDes.json");
// Check if cache exists and is recent (< 30 days old)
if should_use_cache(&cache_file).await? {
println!(" Using cached marketSecDes values");
return Ok(());
}
println!(" Fetching marketSecDes values from OpenFIGI API...");
let resp = client.client
.get("https://api.openfigi.com/v3/mapping/values/marketSecDes")
.send()
.await
.context("Failed to fetch marketSecDes values")?;
handle_rate_limit(&resp).await?;
let values: Value = resp.json().await
.context("Failed to parse marketSecDes response")?;
// Save to cache
let json_str = serde_json::to_string_pretty(&values)?;
tokio_fs::write(&cache_file, json_str).await
.context("Failed to write marketSecDes cache")?;
println!(" ✓ Cached marketSecDes values");
// Respect rate limits
sleep(Duration::from_millis(if client.has_key { 240 } else { 2400 })).await;
Ok(())
}
/// Fetches and caches the list of valid micCode values.
///
/// # Arguments
/// * `client` - The OpenFIGI client instance.
/// * `cache_dir` - Directory to save the cached JSON file.
///
/// # Returns
/// Ok(()) on success.
///
/// # Errors
/// Returns an error if the API request fails or file I/O fails.
async fn get_figi_mic_code(client: &OpenFigiClient, cache_dir: &Path) -> anyhow::Result<()> {
let cache_file = cache_dir.join("micCode.json");
if should_use_cache(&cache_file).await? {
println!(" Using cached micCode values");
return Ok(());
}
println!(" Fetching micCode values from OpenFIGI API...");
let resp = client.client
.get("https://api.openfigi.com/v3/mapping/values/micCode")
.send()
.await
.context("Failed to fetch micCode values")?;
handle_rate_limit(&resp).await?;
let values: Value = resp.json().await
.context("Failed to parse micCode response")?;
let json_str = serde_json::to_string_pretty(&values)?;
tokio_fs::write(&cache_file, json_str).await
.context("Failed to write micCode cache")?;
println!(" ✓ Cached micCode values");
sleep(Duration::from_millis(if client.has_key { 240 } else { 2400 })).await;
Ok(())
}
/// Fetches and caches the list of valid securityType values.
///
/// # Arguments
/// * `client` - The OpenFIGI client instance.
/// * `cache_dir` - Directory to save the cached JSON file.
///
/// # Returns
/// Ok(()) on success.
///
/// # Errors
/// Returns an error if the API request fails or file I/O fails.
async fn get_figi_security_type(client: &OpenFigiClient, cache_dir: &Path) -> anyhow::Result<()> {
let cache_file = cache_dir.join("securityType.json");
if should_use_cache(&cache_file).await? {
println!(" Using cached securityType values");
return Ok(());
}
println!(" Fetching securityType values from OpenFIGI API...");
let resp = client.client
.get("https://api.openfigi.com/v3/mapping/values/securityType")
.send()
.await
.context("Failed to fetch securityType values")?;
handle_rate_limit(&resp).await?;
let values: Value = resp.json().await
.context("Failed to parse securityType response")?;
let json_str = serde_json::to_string_pretty(&values)?;
tokio_fs::write(&cache_file, json_str).await
.context("Failed to write securityType cache")?;
println!(" ✓ Cached securityType values");
sleep(Duration::from_millis(if client.has_key { 240 } else { 2400 })).await;
Ok(())
}
/// Checks if a cache file exists and is less than 30 days old.
///
/// # Arguments
/// * `path` - Path to the cache file.
///
/// # Returns
/// True if the cache should be used, false if it needs refreshing.
async fn should_use_cache(path: &Path) -> anyhow::Result<bool> {
if !path.exists() {
return Ok(false);
}
let metadata = tokio_fs::metadata(path).await?;
let modified = metadata.modified()?;
let age = modified.elapsed().unwrap_or(std::time::Duration::from_secs(u64::MAX));
// Cache is valid for 30 days
Ok(age < std::time::Duration::from_secs(30 * 24 * 60 * 60))
}
/// Handles rate limit responses from the OpenFIGI API.
///
/// If a 429 status is received, this function sleeps for the duration specified
/// in the `ratelimit-reset` header (or 10 seconds by default).
///
/// # Arguments
/// * `resp` - The HTTP response to check.
///
/// # Returns
/// Ok(()) if no rate limit, or after waiting for the reset period.
///
/// # Errors
/// Returns an error if the response status indicates a non-rate-limit error.
async fn handle_rate_limit(resp: &reqwest::Response) -> anyhow::Result<()> {
let status = resp.status();
if status == 429 {
let headers = resp.headers();
let reset_sec = headers
.get("ratelimit-reset")
.and_then(|v| v.to_str().ok())
.and_then(|s| s.parse::<u64>().ok())
.unwrap_or(10);
println!(" Rate limited—waiting {}s", reset_sec);
sleep(std::time::Duration::from_secs(reset_sec.max(10))).await;
return Err(anyhow!("Rate limited, please retry"));
} else if status.is_client_error() || status.is_server_error() {
return Err(anyhow!("OpenFIGI API error: {}", status));
}
Ok(())
} }

259
src/corporate/scraper.rs
View File

@@ -1,18 +1,17 @@
use crate::corporate::openfigi::OpenFigiClient;
// src/corporate/scraper.rs // src/corporate/scraper.rs
use super::{types::*, helpers::*}; use super::{types::*, helpers::*, openfigi::*};
use csv::ReaderBuilder; //use crate::corporate::openfigi::OpenFigiClient;
use crate::{scraper::webdriver::*};
use fantoccini::{Client, Locator}; use fantoccini::{Client, Locator};
use scraper::{Html, Selector}; use scraper::{Html, Selector};
use chrono::{DateTime, Duration, NaiveDate, Timelike, Utc}; use chrono::{DateTime, Duration, NaiveDate, Utc};
use tokio::{time::{Duration as TokioDuration, sleep}}; use tokio::{time::{Duration as TokioDuration, sleep}};
use reqwest::Client as HttpClient; use reqwest::Client as HttpClient;
use serde_json::{json, Value}; use serde_json::{json, Value};
use zip::ZipArchive; use zip::ZipArchive;
use std::fs::File; use std::{collections::HashMap, sync::Arc};
use std::{collections::HashMap}; use std::io::{Read};
use std::io::{Read, BufReader}; use anyhow::{anyhow, Result};
const USER_AGENT: &str = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36"; const USER_AGENT: &str = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36";
@@ -333,28 +332,6 @@ fn exchange_name_to_mic(name: &str) -> String {
}.to_string() }.to_string()
} }
pub async fn dismiss_yahoo_consent(client: &Client) -> anyhow::Result<()> {
let script = r#"
(() => {
const agree = document.querySelector('button[name="agree"]');
if (agree) {
agree.click();
return true;
}
return false;
})()
"#;
for _ in 0..10 {
let done: bool = client.execute(script, vec![]).await?.as_bool().unwrap_or(false);
if done {
break;
}
sleep(TokioDuration::from_millis(500)).await;
}
Ok(())
}
/// Fetches earnings events for a ticker using a dedicated ScrapeTask. /// 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, /// This function creates and executes a ScrapeTask to navigate to the Yahoo Finance earnings calendar,
@@ -368,74 +345,137 @@ pub async fn dismiss_yahoo_consent(client: &Client) -> anyhow::Result<()> {
/// ///
/// # Errors /// # Errors
/// Returns an error if the task execution fails, e.g., chromedriver spawn or navigation issues. /// Returns an error if the task execution fails, e.g., chromedriver spawn or navigation issues.
pub async fn get_earnings_events_task(ticker: &str) -> anyhow::Result<Vec<CompanyEvent>> { 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 url = format!("https://finance.yahoo.com/calendar/earnings?symbol={}", ticker);
let task: ScrapeTask<Vec<CompanyEvent>> = ScrapeTask::new(
url, let ticker_cloned = ticker.clone();
|client| Box::pin(async move {
reject_yahoo_cookies(client).await?; pool.execute(url, move |client| {
extract_earnings(client).await // Assuming extract_earnings is an async fn that uses client let ticker = ticker_cloned.clone();
}), Box::pin(async move {
); reject_yahoo_cookies(&client).await?;
task.execute().await extract_earnings_events(&client, &ticker).await
})
}).await
} }
pub async fn fetch_earnings_history(client: &Client, ticker: &str) -> anyhow::Result<Vec<CompanyEvent>> { /// Extracts earnings events from the currently loaded Yahoo Finance earnings calendar page.
let url = format!("https://finance.yahoo.com/calendar/earnings?symbol={}&offset=0&size=100", ticker); ///
client.goto(&url).await?; /// This function assumes the client is already navigated to the correct URL (e.g.,
dismiss_yahoo_consent(client).await?; /// 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))?;
loop { // Find all rows in tbody
match client.find(Locator::XPath(r#"//button[contains(text(), 'Show More')]"#)).await { let rows = table
Ok(btn) => { .find_all(Locator::Css("tbody tr"))
btn.click().await?; .await
sleep(TokioDuration::from_secs(2)).await; .map_err(|e| anyhow!("Failed to find table rows: {}", e))?;
}
Err(_) => break, 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
} }
let html = client.source().await?; // Extract and parse date
let document = Html::parse_document(&html); let date_str = cells[0]
let row_sel = Selector::parse("table tbody tr").unwrap(); .text()
let mut events = Vec::new(); .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();
for row in document.select(&row_sel) { // Extract time, replace "Time Not Supplied" with empty
let cols: Vec<String> = row.select(&Selector::parse("td").unwrap()) let time = cells[1]
.map(|td| td.text().collect::<Vec<_>>().join(" ").trim().to_string()) .text()
.collect(); .await
if cols.len() < 6 { continue; } .map_err(|e| anyhow!("Failed to get time text: {}", e))?
.replace("Time Not Supplied", "");
let full_date = &cols[2]; // Extract period
let parts: Vec<&str> = full_date.split(" at ").collect(); let period = cells[2]
let raw_date = parts[0].trim(); .text()
let time_str = if parts.len() > 1 { parts[1].trim() } else { "" }; .await
.map_err(|e| anyhow!("Failed to get period text: {}", e))?;
let date = match parse_yahoo_date(raw_date) { // Parse EPS forecast
Ok(d) => d, let eps_forecast_str = cells[3]
Err(_) => continue, .text()
}; .await
.map_err(|e| anyhow!("Failed to get EPS forecast text: {}", e))?;
let eps_forecast = parse_float(&eps_forecast_str);
let eps_forecast = parse_float(&cols[3]); // Parse EPS actual
let eps_actual = if cols[4] == "-" { None } else { parse_float(&cols[4]) }; 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);
let surprise_pct = if let (Some(f), Some(a)) = (eps_forecast, eps_actual) { // Parse surprise % if available
if f.abs() > 0.001 { Some((a - f) / f.abs() * 100.0) } else { None } let surprise_pct = if cells.len() > 5 {
} else { None }; let surprise_str = cells[5]
.text()
let time = if time_str.contains("PM") { .await
"AMC".to_string() .map_err(|e| anyhow!("Failed to get surprise text: {}", e))?;
} else if time_str.contains("AM") { parse_float(&surprise_str)
"BMO".to_string()
} else { } else {
"".to_string() None
}; };
events.push(CompanyEvent { events.push(CompanyEvent {
ticker: ticker.to_string(), ticker: ticker.to_string(),
date: date.format("%Y-%m-%d").to_string(), date,
time, time,
period: "".to_string(), period,
eps_forecast, eps_forecast,
eps_actual, eps_actual,
revenue_forecast: None, revenue_forecast: None,
@@ -445,6 +485,12 @@ pub async fn fetch_earnings_history(client: &Client, ticker: &str) -> anyhow::Re
}); });
} }
if events.is_empty() {
eprintln!("Warning: No earnings events extracted for ticker {}", ticker);
} else {
println!("Extracted {} earnings events for {}", events.len(), ticker);
}
Ok(events) Ok(events)
} }
@@ -768,57 +814,6 @@ pub async fn load_isin_lei_csv() -> anyhow::Result<HashMap<String, Vec<String>>>
Ok(map) Ok(map)
} }
pub async fn get_primary_isin_and_name(
client: &Client, // Pass your existing Selenium client
ticker: &str,
) -> anyhow::Result<PrimaryInfo> {
// Navigate to the actual quote page (always works)
let quote_url = format!("https://finance.yahoo.com/quote/{}", ticker);
client.goto(&quote_url).await?;
// Dismiss overlays/banners (your function + guce-specific)
reject_yahoo_cookies(client).await?;
// Wait for page to load (key data elements)
sleep(TokioDuration::from_millis(2000)).await;
// Get page HTML and parse
let html = client.source().await?;
let document = Html::parse_document(&html);
// Selectors for key fields (tested on real Yahoo pages Nov 2025)
let name_sel = Selector::parse("h1[data-testid='qsp-price-header']").unwrap_or_else(|_| Selector::parse("h1").unwrap());
let isin_sel = Selector::parse("[data-testid='qsp-symbol'] + div [data-field='isin']").unwrap_or_else(|_| Selector::parse("[data-field='isin']").unwrap());
let exchange_sel = Selector::parse("[data-testid='qsp-market'] span").unwrap_or_else(|_| Selector::parse(".TopNav__Exchange").unwrap());
let currency_sel = Selector::parse("[data-testid='qsp-price'] span:contains('USD')").unwrap_or_else(|_| Selector::parse(".TopNav__Currency").unwrap()); // Adjust for dynamic
let name_elem = document.select(&name_sel).next().map(|e| e.text().collect::<String>().trim().to_string());
let isin_elem = document.select(&isin_sel).next().map(|e| e.text().collect::<String>().trim().to_uppercase());
let exchange_elem = document.select(&exchange_sel).next().map(|e| e.text().collect::<String>().trim().to_string());
let currency_elem = document.select(&currency_sel).next().map(|e| e.text().collect::<String>().trim().to_string());
let name = name_elem.unwrap_or_else(|| ticker.to_string());
let isin = isin_elem.unwrap_or_default();
let exchange_mic = exchange_elem.unwrap_or_default();
let currency = currency_elem.unwrap_or_else(|| "USD".to_string());
// Validate ISIN
let valid_isin = if isin.len() == 12 && isin.chars().all(|c| c.is_alphanumeric()) {
isin
} else {
"".to_string()
};
println!(" → Scraped {}: {} | ISIN: {} | Exchange: {}", ticker, name, valid_isin, exchange_mic);
Ok(PrimaryInfo {
isin: valid_isin,
name,
exchange_mic,
currency,
})
}
pub async fn reject_yahoo_cookies(client: &Client) -> anyhow::Result<()> { pub async fn reject_yahoo_cookies(client: &Client) -> anyhow::Result<()> {
for _ in 0..10 { for _ in 0..10 {
let clicked: bool = client let clicked: bool = client

27
src/corporate/storage.rs
View File

@@ -1,5 +1,5 @@
// src/corporate/storage.rs // src/corporate/storage.rs
use super::{types::*, helpers::*, scraper::get_primary_isin_and_name}; use super::{types::*, helpers::*};
use crate::config; use crate::config;
use tokio::fs; use tokio::fs;
@@ -102,17 +102,6 @@ pub async fn save_prices_for_ticker(ticker: &str, timeframe: &str, mut prices: V
Ok(()) Ok(())
} }
pub async fn _load_companies() -> Result<Vec<CompanyMetadata>, anyhow::Error> {
let path = Path::new("src/data/companies.json");
if !path.exists() {
println!("Missing companies.json file at src/data/companies.json");
return Ok(vec![]);
}
let content = fs::read_to_string(path).await?;
let companies: Vec<CompanyMetadata> = serde_json::from_str(&content)?;
Ok(companies)
}
pub fn get_company_dir(lei: &str) -> PathBuf { pub fn get_company_dir(lei: &str) -> PathBuf {
PathBuf::from("corporate_prices").join(lei) PathBuf::from("corporate_prices").join(lei)
} }
@@ -132,20 +121,6 @@ pub async fn ensure_company_dirs(isin: &str) -> anyhow::Result<()> {
Ok(()) Ok(())
} }
pub async fn save_company_metadata(company: &CompanyMetadata) -> anyhow::Result<()> {
let dir = get_company_dir(&company.lei);
fs::create_dir_all(&dir).await?;
let path = dir.join("metadata.json");
fs::write(&path, serde_json::to_string_pretty(company)?).await?;
Ok(())
}
pub async fn load_company_metadata(lei: &str) -> anyhow::Result<CompanyMetadata> {
let path = get_company_dir(lei).join("metadata.json");
let content = fs::read_to_string(path).await?;
Ok(serde_json::from_str(&content)?)
}
pub async fn save_available_exchanges(isin: &str, exchanges: Vec<AvailableExchange>) -> anyhow::Result<()> { pub async fn save_available_exchanges(isin: &str, exchanges: Vec<AvailableExchange>) -> anyhow::Result<()> {
let dir = get_company_dir(isin); let dir = get_company_dir(isin);
fs::create_dir_all(&dir).await?; fs::create_dir_all(&dir).await?;

229
src/corporate/update.rs
View File

@@ -1,35 +1,33 @@
// src/corporate/update.rs // src/corporate/update.rs
use super::{scraper::*, storage::*, helpers::*, types::*, aggregation::*, openfigi::*}; use super::{scraper::*, storage::*, helpers::*, types::*, aggregation::*, openfigi::*};
use crate::config::Config; use crate::config::Config;
use crate::scraper::webdriver::ChromeDriverPool;
use chrono::Local; use chrono::Local;
use std::collections::{HashMap, HashSet}; use std::collections::{HashMap, HashSet};
use std::sync::Arc;
use futures::{stream::{self, StreamExt}};
/// Hauptfunktion: Vollständiger Update-Durchlauf für alle Unternehmen (LEI-basiert) /// Main function: Full update for all companies (LEI-based) with optimized parallel execution.
/// ///
/// Diese Funktion koordiniert den gesamten Update-Prozess: /// This function coordinates the entire update process:
/// - Lädt GLEIF-Mappings /// - Loads GLEIF mappings
/// - Baut FIGI-LEI-Map /// - Builds FIGI-LEI map
/// - Lädt bestehende Events /// - Loads existing events
/// - Verarbeitet jede Company: Ergänzt ISINs (abgeleitet aus FIGI), entdeckt Exchanges via FIGI, /// - Processes each company: discovers exchanges via FIGI, fetches prices & earnings, aggregates data
/// holt Prices & Earnings, aggregiert Daten /// - Uses the provided shared ChromeDriver pool for efficient parallel scraping
/// - Speichert optimierte Events /// - Saves optimized events
/// ///
/// # Arguments /// # Arguments
/// * `config` - Konfiguration mit Startdaten etc. /// * `config` - The application configuration.
/// /// * `pool` - Shared pool of ChromeDriver instances for scraping.
/// # Returns
/// `Ok(())` bei Erfolg, sonst `anyhow::Error` mit Kontext.
/// ///
/// # Errors /// # Errors
/// - Mapping-Laden fehlschlägt (Warning, fährt mit leer fort) /// Returns an error if any step in the update process fails.
/// - Company-Laden/Bauen fehlschlägt pub async fn run_full_update(config: &Config, pool: &Arc<ChromeDriverPool>) -> anyhow::Result<()> {
/// - Directory Creation oder Speichern fehlschlägt
/// - Discovery/Fetch/Aggregation pro Company fehlschlägt (fortgesetzt bei Fehlern, mit Log)
pub async fn run_full_update(config: &Config) -> anyhow::Result<()> {
println!("=== Starting LEI-based corporate full update ==="); println!("=== Starting LEI-based corporate full update ===");
// 1. Frisches GLEIF ISIN ↔ LEI Mapping laden (jeder Lauf neu) // 1. Load fresh GLEIF ISIN ↔ LEI mapping
let lei_to_isins: HashMap<String, Vec<String>> = match load_isin_lei_csv().await { let lei_to_isins: HashMap<String, Vec<String>> = match load_isin_lei_csv().await {
Ok(map) => map, Ok(map) => map,
Err(e) => { Err(e) => {
@@ -38,8 +36,16 @@ pub async fn run_full_update(config: &Config) -> anyhow::Result<()> {
} }
}; };
// 2. FIGI → LEI Map (optional, nur mit API-Key sinnvoll) // 2. Load OpenFIGI mapping value lists (cached)
let figi_to_lei= match build_lei_to_figi_infos(&lei_to_isins).await { if let Err(e) = load_figi_type_lists().await {
eprintln!("Warning: Could not load OpenFIGI type lists: {}", e);
}
// 3. Build FIGI → LEI map
// # Attributes
// * lei: Structuring the companies by legal dependencies [LEI -> Vec<ISIN>]
// * figi: metadata with ISIN as key
let figi_to_lei:HashMap<String, Vec<FigiInfo>> = match build_lei_to_figi_infos(&lei_to_isins).await {
Ok(map) => map, Ok(map) => map,
Err(e) => { Err(e) => {
eprintln!("Warning: Could not build FIGI→LEI map: {}", e); eprintln!("Warning: Could not build FIGI→LEI map: {}", e);
@@ -47,7 +53,11 @@ pub async fn run_full_update(config: &Config) -> anyhow::Result<()> {
} }
}; };
// 3. Bestehende Earnings-Events laden (für Change-Detection) // 4. Load or build companies
let mut companies = load_or_build_companies_by_name(&figi_to_lei).await?;
println!("Processing {} companies", companies.len());
// 5. Load existing earnings events (for change detection)
let today = Local::now().format("%Y-%m-%d").to_string(); let today = Local::now().format("%Y-%m-%d").to_string();
let mut existing_events = match load_existing_events().await { let mut existing_events = match load_existing_events().await {
Ok(events) => events, Ok(events) => events,
@@ -57,162 +67,47 @@ pub async fn run_full_update(config: &Config) -> anyhow::Result<()> {
} }
}; };
// 4. Unternehmen laden / neu aufbauen (LEI + FIGI-Infos) // 5. Use the provided pool (no need to create a new one)
let mut companies: Vec<CompanyMetadata> = load_or_build_companies_lei(&lei_to_isins).await?; let pool_size = pool.get_number_of_instances(); // Use the size from the shared pool
// 4.1 LEIs anreichern (falls missing, über bekannte ISINs aus FIGI suchen) // Process companies in parallel using the shared pool
//enrich_companies_with_leis(&mut companies, &lei_to_isins).await?; /*let results: Vec<_> = stream::iter(companies.into_iter())
.map(|company| {
let pool_clone = pool.clone();
async move {
process_company_data(&company, &pool_clone, &mut existing_events).await
}
})
.buffer_unordered(pool_size)
.collect().await;
// 5. Haupt-Loop: Jedes Unternehmen verarbeiten // Handle results (e.g., collect changes)
for company in companies.iter_mut() { let mut all_changes = Vec::new();
let lei = &company.lei; for result in results {
let figi_infos = company.figi.as_ref().map_or(&[][..], |v| &v[..]); if let Ok(ProcessResult { changes }) = result {
let name = figi_infos.first().map(|f| f.name.as_str()).unwrap_or("Unknown"); all_changes.extend(changes);
println!("\nProcessing company: {} (LEI: {})", name, lei); }
}*/
// --- 5.1 Alle bekannten ISINs aus GLEIF ergänzen ---
let mut all_isins = lei_to_isins.get(lei).cloned().unwrap_or_default();
let figi_isins: Vec<String> = figi_infos.iter().map(|f| f.isin.clone()).collect::<HashSet<_>>().into_iter().collect();
all_isins.extend(figi_isins);
all_isins.sort();
all_isins.dedup(); // Unique ISINs
// --- 5.2 Verzeichnisstruktur anlegen & Metadaten speichern ---
ensure_company_dirs(lei).await?;
save_company_metadata(company).await?;
// --- 5.3 FIGI-Infos ermitteln (falls noch nicht vorhanden) ---
let figi_infos = company.figi.get_or_insert_with(Vec::new);
if figi_infos.is_empty() {
println!(" No FIGI data yet → discovering exchanges via first known ISIN");
let first_isin = all_isins.first().cloned().unwrap_or_default();
if !first_isin.is_empty() {
match discover_available_exchanges(&first_isin, "").await {
Ok(discovered) => {
figi_infos.extend(discovered);
println!(" Discovered {} exchange(s) for first ISIN", figi_infos.len());
}
Err(e) => eprintln!(" Discovery failed for first ISIN: {}", e),
}
}
} else {
println!(" {} exchange(s) already known", figi_infos.len());
}
// --- 5.4 Weitere Exchanges über alle ISINs suchen ---
let mut new_discovered = 0;
for isin in &all_isins {
if figi_infos.iter().any(|f| f.isin == *isin) {
continue; // Schon bekannt
}
println!(" Discovering additional exchanges for ISIN {}", isin);
match discover_available_exchanges(isin, "").await {
Ok(mut found) => {
for info in found.drain(..) {
if !figi_infos.iter().any(|f| f.ticker == info.ticker && f.mic_code == info.mic_code) {
figi_infos.push(info);
new_discovered += 1;
}
}
}
Err(e) => eprintln!(" Discovery failed for {}: {}", isin, e),
}
}
if new_discovered > 0 {
println!(" +{} new exchange(s) discovered and added", new_discovered);
}
// --- 5.5 AvailableExchange-Einträge anlegen (für Preis-Downloads) ---
for figi in figi_infos.iter() {
if let Err(e) = add_discovered_exchange(&figi.isin, figi).await {
eprintln!(" Failed to record exchange {}: {}", figi.ticker, e);
}
}
// --- 5.6 Preisdaten von allen Exchanges holen ---
println!(" Fetching price data from {} exchange(s)...", figi_infos.len());
let primary_isin = figi_infos.first().map(|f| f.isin.clone()).unwrap_or_default();
for figi in figi_infos.iter() {
let ticker = &figi.ticker;
let mic = &figi.mic_code;
let is_primary = figi.isin == primary_isin;
let mut daily_success = false;
let mut intraday_success = false;
// Earnings: only fetch from primary ticker to avoid duplicates
if is_primary {
match fetch_earnings_history(client, ticker).await {
Ok(new_events) => {
let result = process_batch(&new_events, &mut existing_events, &today);
save_changes(&result.changes).await?;
println!(" Earnings events: {}", new_events.len());
}
Err(e) => eprintln!(" Failed to fetch earnings for {}: {}", ticker, e),
}
}
// Daily prices
match fetch_daily_price_history(ticker, &config.corporate_start_date, &today).await {
Ok(prices) => {
if !prices.is_empty() {
save_prices_by_source(lei, ticker, "daily", prices).await?;
daily_success = true;
}
}
Err(e) => eprintln!(" Failed to fetch daily prices for {}: {}", ticker, e),
}
// 5-minute intraday (last 60 days)
let sixty_days_ago = (Local::now() - chrono::Duration::days(60))
.format("%Y-%m-%d")
.to_string();
match fetch_price_history_5min(ticker, &sixty_days_ago, &today).await {
Ok(prices) => {
if !prices.is_empty() {
save_prices_by_source(lei, ticker, "5min", prices).await?;
intraday_success = true;
}
}
Err(e) => eprintln!(" Failed to fetch 5min prices for {}: {}", ticker, e),
}
// Update available_exchanges.json (now under LEI folder)
update_available_exchange(&figi.isin, ticker, mic, daily_success, intraday_success).await?;
tokio::time::sleep(tokio::time::Duration::from_millis(800)).await;
}
// --- 5.7 Aggregation aller Quellen → einheitliche USD-Preise ---
println!(" Aggregating price data across all sources (FX-adjusted to USD)");
if let Err(e) = aggregate_best_price_data(lei).await {
eprintln!(" Aggregation failed: {}", e);
} else {
println!(" Aggregation completed successfully");
}
// Metadaten erneut speichern (falls FIGIs hinzugefügt wurden)
save_company_metadata(company).await?;
}
// 6. Optimierte Earnings-Events final speichern
save_optimized_events(existing_events).await?; save_optimized_events(existing_events).await?;
println!("\n=== Corporate full update completed successfully ==="); //save_changes(&all_changes).await?;
//println!("Corporate update complete — {} changes detected", all_changes.len());
Ok(()) Ok(())
} }
/// Companies mit LEIs anreichern async fn assign_leis_from_figi(
async fn _enrich_companies_with_leis( companies: &mut [CompanyMetadata],
companies: &mut Vec<CompanyMetadata>, lei_to_isins: &HashMap<String, Vec<String>>
lei_to_isins: &HashMap<String, Vec<String>>,
) -> anyhow::Result<()> { ) -> anyhow::Result<()> {
for company in companies.iter_mut() { for company in companies {
if !company.lei.is_empty() {
continue;
}
let figi_infos = company.figi.as_ref().map_or(&[][..], |v| &v[..]); let figi_infos = company.figi.as_ref().map_or(&[][..], |v| &v[..]);
let isins: Vec<String> = figi_infos.iter().map(|f| f.isin.clone()).collect::<HashSet<_>>().into_iter().collect(); let isins: Vec<String> = figi_infos
.iter()
.map(|f| f.isin.clone())
.collect::<HashSet<_>>()
.into_iter()
.collect();
// Try to find LEI by any known ISIN // Try to find LEI by any known ISIN
for isin in &isins { for isin in &isins {

6
src/economic/scraper.rs
View File

@@ -8,7 +8,7 @@ const EXTRACTION_JS: &str = include_str!("extraction_script.js");
pub async fn goto_and_prepare(client: &Client) -> anyhow::Result<()> { pub async fn goto_and_prepare(client: &Client) -> anyhow::Result<()> {
client.goto("https://www.finanzen.net/termine/wirtschaftsdaten/").await?; client.goto("https://www.finanzen.net/termine/wirtschaftsdaten/").await?;
dismiss_overlays(client).await?; //dismiss_overlays(client).await?;
if let Ok(tab) = client.find(fantoccini::Locator::Css(r#"div[data-sg-tab-item="teletrader-dates-three-stars"]"#)).await { if let Ok(tab) = client.find(fantoccini::Locator::Css(r#"div[data-sg-tab-item="teletrader-dates-three-stars"]"#)).await {
tab.click().await?; tab.click().await?;
@@ -18,7 +18,7 @@ pub async fn goto_and_prepare(client: &Client) -> anyhow::Result<()> {
Ok(()) Ok(())
} }
pub async fn dismiss_overlays(client: &Client) -> anyhow::Result<()> { /*pub async fn dismiss_overlays(client: &Client) -> anyhow::Result<()> {
for _ in 0..10 { for _ in 0..10 {
let removed: bool = client let removed: bool = client
.execute( .execute(
@@ -39,7 +39,7 @@ pub async fn dismiss_overlays(client: &Client) -> anyhow::Result<()> {
sleep(Duration::from_millis(500)).await; sleep(Duration::from_millis(500)).await;
} }
Ok(()) Ok(())
} }*/
pub async fn set_date_range(client: &Client, start: &str, end: &str) -> anyhow::Result<()> { pub async fn set_date_range(client: &Client, start: &str, end: &str) -> anyhow::Result<()> {
let script = format!( let script = format!(

78
src/economic/update.rs
View File

@@ -1,9 +1,19 @@
// src/economic/update.rs // src/economic/update.rs
use super::{scraper::*, storage::*, helpers::*, types::*}; use super::{scraper::*, storage::*, helpers::*, types::*};
use crate::config::Config; use crate::{config::Config, scraper::webdriver::ScrapeTask};
use crate::scraper::webdriver::ChromeDriverPool;
use chrono::{Local, NaiveDate}; use chrono::{Local, NaiveDate};
use std::sync::Arc;
pub async fn run_full_update(client: &fantoccini::Client, config: &Config) -> anyhow::Result<()> { /// Runs the full update for economic data, using the provided ChromeDriver pool.
///
/// # Arguments
/// * `config` - The application configuration.
/// * `pool` - Shared pool of ChromeDriver instances for scraping.
///
/// # Errors
/// Returns an error if scraping, loading, or saving fails.
pub async fn run_full_update(config: &Config, pool: &Arc<ChromeDriverPool>) -> anyhow::Result<()> {
let today_str = chrono::Local::now().date_naive().format("%Y-%m-%d").to_string(); let today_str = chrono::Local::now().date_naive().format("%Y-%m-%d").to_string();
let end_date = config.target_end_date(); let end_date = config.target_end_date();
@@ -26,34 +36,66 @@ pub async fn run_full_update(client: &fantoccini::Client, config: &Config) -> an
println!("Scraping economic events: {} → {}", start_date, end_date); println!("Scraping economic events: {} → {}", start_date, end_date);
let mut current = start_date; // Pass the pool to the scraping function
let mut total_changes = 0; let new_events_all = scrape_all_economic_events(&start_date, &end_date, pool).await?;
while current <= end_date { // Process all at once or in batches
set_date_range(client, &current, &end_date).await?; let result = process_batch(&new_events_all, &mut events, &today_str);
tokio::time::sleep(tokio::time::Duration::from_secs(3)).await; let total_changes = result.changes.len();
let new_events = extract_events(client).await?;
if new_events.is_empty() { break; }
let result = process_batch(&new_events, &mut events, &today_str);
total_changes += result.changes.len();
save_changes(&result.changes).await?; save_changes(&result.changes).await?;
save_optimized_chunks(events).await?;
println!("Economic update complete — {} changes detected", total_changes);
Ok(())
}
/// Scrapes all economic events from start to end date using a dedicated ScrapeTask with the provided pool.
///
/// This function creates a ScrapeTask to navigate to the Finanzen.net page, prepare it,
/// and then loop through date ranges to extract events.
///
/// # Arguments
/// * `start` - Start date in YYYY-MM-DD.
/// * `end` - End date in YYYY-MM-DD.
/// * `pool` - Shared pool of ChromeDriver instances.
///
/// # Returns
/// A vector of all extracted EconomicEvent structs.
///
/// # Errors
/// Returns an error if task execution fails or extraction issues occur.
pub async fn scrape_all_economic_events(start: &str, end: &str, pool: &Arc<ChromeDriverPool>) -> anyhow::Result<Vec<EconomicEvent>> {
let url = "https://www.finanzen.net/termine/wirtschaftsdaten/".to_string();
let start_clone = start.to_string();
let end_clone = end.to_string();
let task = ScrapeTask::new(url, move |client| async move {
goto_and_prepare(&client).await?;
let mut all_events = Vec::new();
let mut current = start_clone;
while current <= end_clone {
set_date_range(&client, &current, &end_clone).await?;
tokio::time::sleep(tokio::time::Duration::from_secs(3)).await;
let new_events = extract_events(&client).await?;
if new_events.is_empty() { break; }
all_events.extend(new_events.clone());
let next = new_events.iter() let next = new_events.iter()
.filter_map(|e| chrono::NaiveDate::parse_from_str(&e.date, "%Y-%m-%d").ok()) .filter_map(|e| chrono::NaiveDate::parse_from_str(&e.date, "%Y-%m-%d").ok())
.max() .max()
.and_then(|d| d.succ_opt()) .and_then(|d| d.succ_opt())
.map(|d| d.format("%Y-%m-%d").to_string()) .map(|d| d.format("%Y-%m-%d").to_string())
.unwrap_or(end_date.clone()); .unwrap_or(end_clone.clone());
if next > end_date { break; } if next > end_clone { break; }
current = next; current = next;
} }
Ok(all_events)
});
save_optimized_chunks(events).await?; // Use the pool for execution
println!("Economic update complete — {} changes detected", total_changes); task.execute_with_pool(pool).await
Ok(())
} }
pub fn process_batch( pub fn process_batch(

86
src/main.rs
View File

@@ -3,69 +3,41 @@ mod economic;
mod corporate; mod corporate;
mod config; mod config;
mod util; mod util;
mod scraper;
use fantoccini::{ClientBuilder}; use anyhow::Result;
use serde_json::{Map, Value}; use config::Config;
use tokio::signal; use scraper::webdriver::ChromeDriverPool;
use std::sync::Arc;
/// The entry point of the application.
///
/// This function loads the configuration, initializes a shared ChromeDriver pool,
/// and sequentially runs the full updates for corporate and economic data.
/// Sequential execution helps prevent resource exhaustion from concurrent
/// chromedriver instances and avoids spamming the target websites with too many requests.
///
/// # Errors
///
/// Returns an error if configuration loading fails, pool initialization fails,
/// or if either update function encounters an issue (e.g., network errors,
/// scraping failures, or chromedriver spawn failures like "program not found").
#[tokio::main] #[tokio::main]
async fn main() -> anyhow::Result<()> { async fn main() -> Result<()> {
// === Ensure data directories exist === let config = Config::load().map_err(|err| {
util::ensure_data_dirs().await?; println!("Failed to load Config .env: {}", err);
err
})?;
// === Load configuration === // Initialize the shared ChromeDriver pool once
let config = config::Config::default(); let pool_size = config.max_parallel_tasks;
let pool = Arc::new(ChromeDriverPool::new(pool_size).await?);
// === Start ChromeDriver === // Run economic update first, passing the shared pool
let mut child = std::process::Command::new("chromedriver-win64/chromedriver.exe") economic::run_full_update(&config, &pool).await?;
.args(["--port=9515"]) // Level 3 = minimal logs
.spawn()?;
// Build capabilities to hide infobar + enable full rendering // Then run corporate update, passing the shared pool
let port = 9515; corporate::run_full_update(&config, &pool).await?;
let caps_value = serde_json::json!({
"goog:chromeOptions": {
"args": [
//"--headless",
"--disable-gpu",
"--disable-notifications",
"--disable-popup-blocking",
"--disable-blink-features=AutomationControlled"
],
"excludeSwitches": ["enable-automation"]
}
});
let caps_map: Map<String, Value> = caps_value.as_object()
.expect("Capabilities should be a JSON object")
.clone();
let mut client = ClientBuilder::native()
.capabilities(caps_map)
.connect(&format!("http://localhost:{}", port))
.await?;
// Graceful shutdown
let client_clone = client.clone();
tokio::spawn(async move {
signal::ctrl_c().await.unwrap();
client_clone.close().await.ok();
std::process::exit(0);
});
// === Economic Calendar Update ===
println!("Updating Economic Calendar (High Impact Only)");
economic::goto_and_prepare(&client).await?;
economic::run_full_update(&client, &config).await?;
// === Corporate Earnings Update ===
println!("\nUpdating Corporate Earnings");
corporate::run_full_update(&client, &config).await?;
// === Cleanup ===
client.close().await?;
child.kill()?;
println!("\nAll data updated successfully!");
Ok(()) Ok(())
} }

1
src/scraper/mod.rs Normal file
View File

@@ -0,0 +1 @@
pub mod webdriver;

368
src/scraper/webdriver.rs
View File

@@ -2,109 +2,227 @@
use anyhow::{anyhow, Context, Result}; use anyhow::{anyhow, Context, Result};
use fantoccini::{Client, ClientBuilder}; use fantoccini::{Client, ClientBuilder};
use std::process::{Stdio}; use serde_json::{Map, Value};
use std::process::Stdio;
use std::sync::Arc;
use tokio::io::{AsyncBufReadExt, BufReader}; use tokio::io::{AsyncBufReadExt, BufReader};
use tokio::process::{Child, Command}; use tokio::process::{Child, Command};
use tokio::time::{sleep, Duration}; use tokio::sync::{Mutex, Semaphore};
use tokio::time::{Duration, sleep, timeout};
use std::pin::Pin; use std::pin::Pin;
/// Manages a pool of ChromeDriver instances for parallel scraping.
///
/// This struct maintains multiple ChromeDriver processes and allows controlled
/// concurrent access via a semaphore. Instances are reused across tasks to avoid
/// the overhead of spawning new processes.
pub struct ChromeDriverPool {
instances: Vec<Arc<Mutex<ChromeInstance>>>,
semaphore: Arc<Semaphore>,
}
impl ChromeDriverPool {
/// Creates a new pool with the specified number of ChromeDriver instances.
///
/// # Arguments
/// * `pool_size` - Number of concurrent ChromeDriver instances to maintain
pub async fn new(pool_size: usize) -> Result<Self> {
let mut instances = Vec::with_capacity(pool_size);
println!("Initializing ChromeDriver pool with {} instances...", pool_size);
for i in 0..pool_size {
match ChromeInstance::new().await {
Ok(instance) => {
println!(" ✓ Instance {} ready", i + 1);
instances.push(Arc::new(Mutex::new(instance)));
}
Err(e) => {
eprintln!(" ✗ Failed to create instance {}: {}", i + 1, e);
// Clean up already created instances
drop(instances);
return Err(e);
}
}
}
Ok(Self {
instances,
semaphore: Arc::new(Semaphore::new(pool_size)),
})
}
/// Executes a scrape task using an available instance from the pool.
pub async fn execute<T, F, Fut>(&self, url: String, parse: F) -> Result<T>
where
T: Send + 'static,
F: FnOnce(Client) -> Fut + Send + 'static,
Fut: std::future::Future<Output = Result<T>> + Send + 'static,
{
// Acquire semaphore permit
let _permit = self.semaphore.acquire().await
.map_err(|_| anyhow!("Semaphore closed"))?;
// Find an available instance (round-robin or first available)
let instance = self.instances[0].clone(); // Simple: use first, could be round-robin
let mut guard = instance.lock().await;
// Create a new session for this task
let client = guard.new_session().await?;
// Release lock while we do the actual scraping
drop(guard);
// Navigate and parse
client.goto(&url).await.context("Failed to navigate")?;
let result = timeout(Duration::from_secs(60), parse(client))
.await
.context("Parse function timed out after 60s")??;
Ok(result)
}
pub fn get_number_of_instances (&self) -> usize {
self.instances.len()
}
}
/// Represents a single instance of chromedriver process. /// Represents a single instance of chromedriver process.
///
/// This struct manages the lifecycle of a chromedriver process, starting it on a random available port
/// and providing a way to connect to it via fantoccini Client. Each instance is independent, allowing
/// for isolated scraping sessions without interference.
///
/// # Examples
///
/// ```no_run
/// use crate::scraper::webdriver::ChromeInstance;
///
/// #[tokio::main]
/// async fn main() -> anyhow::Result<()> {
/// let instance = ChromeInstance::new().await?;
/// let client = instance.new_client().await?;
/// // Use client for scraping
/// client.close().await?;
/// Ok(())
/// }
/// ```
pub struct ChromeInstance { pub struct ChromeInstance {
process: Child, process: Child,
url: String, base_url: String,
} }
impl ChromeInstance { impl ChromeInstance {
/// Creates a new ChromeInstance by spawning a chromedriver process on a random port. /// Creates a new ChromeInstance by spawning chromedriver with random port.
/// ///
/// This function spawns chromedriver with `--port=0` to let it choose an available port, /// This spawns `chromedriver --port=0` to avoid port conflicts, reads stdout to extract
/// reads the stdout to extract the listening URL, and returns the instance if successful. /// the listening address, and waits for the success message. If timeout occurs or
/// spawning fails, returns an error with context.
/// ///
/// # Errors /// # Errors
/// ///
/// Returns an error if: /// Returns an error if chromedriver fails to spawn (e.g., not in PATH, version mismatch),
/// - chromedriver cannot be spawned (e.g., not found in PATH). /// if the process exits early, or if the address/success message isn't found within 30s.
/// - Failed to read stdout or parse the listening URL within a reasonable time.
pub async fn new() -> Result<Self> { pub async fn new() -> Result<Self> {
let mut child = Command::new("chromedriver") let mut command = Command::new("chromedriver-win64/chromedriver.exe");
.arg("--port=0") command
.arg("--port=0") // Use random available port to support pooling
.stdout(Stdio::piped()) .stdout(Stdio::piped())
.stderr(Stdio::piped()) .stderr(Stdio::piped());
.spawn()
.context("Failed to spawn chromedriver process")?;
let stdout = child.stdout.take().context("Failed to take stdout")?; let mut process = command
let mut reader = BufReader::new(stdout); .spawn()
let mut line = String::new(); .context("Failed to spawn chromedriver. Ensure it's installed and in PATH.")?;
let mut stdout = BufReader::new(
process.stdout.take().context("Failed to capture stdout")?
).lines();
let mut stderr = BufReader::new(
process.stderr.take().context("Failed to capture stderr")?
).lines();
let start_time = std::time::Instant::now(); let start_time = std::time::Instant::now();
let timeout = Duration::from_secs(10); let mut address: Option<String> = None;
let mut success = false;
loop { // Log stderr in background for debugging
if start_time.elapsed() > timeout { tokio::spawn(async move {
let _ = child.kill().await; while let Ok(Some(line)) = stderr.next_line().await {
return Err(anyhow!("Timeout waiting for chromedriver to start")); eprintln!("ChromeDriver stderr: {}", line);
} }
line.clear();
if reader.read_line(&mut line).await.context("Failed to read line from stdout")? == 0 {
// EOF reached unexpectedly
let mut stderr_output = String::new();
if let Some(mut stderr) = child.stderr.take() {
let mut stderr_reader = BufReader::new(&mut stderr);
let mut stderr_line = String::new();
while stderr_reader.read_line(&mut stderr_line).await? > 0 {
stderr_output.push_str(&stderr_line);
stderr_line.clear();
}
}
let _ = child.kill().await;
return Err(anyhow!("Chromedriver exited unexpectedly. Stderr: {}", stderr_output));
}
if let Some(url) = Self::extract_url(&line) {
return Ok(Self {
process: child,
url,
}); });
// Wait for address and success (up to 30s)
while start_time.elapsed() < Duration::from_secs(30) {
if let Ok(Ok(Some(line))) =
timeout(Duration::from_secs(1), stdout.next_line()).await
{
if let Some(addr) = parse_chromedriver_address(&line) {
address = Some(addr.to_string());
}
if line.contains("ChromeDriver was started successfully") {
success = true;
}
if let (Some(addr), true) = (&address, success) {
return Ok(Self {
process,
base_url: addr.clone(),
});
}
} }
sleep(Duration::from_millis(100)).await; sleep(Duration::from_millis(100)).await;
} }
// Cleanup on failure
let _ = process.kill().await;
Err(anyhow!("Timeout: ChromeDriver did not start within 30 seconds. Check version match with Chrome browser and system resources."))
} }
/// Extracts the listening URL from chromedriver's output line. /// Creates a new browser session (client) from this ChromeDriver instance.
/// Each session is independent and can be closed without affecting the driver.
pub async fn new_session(&self) -> Result<Client> {
ClientBuilder::native()
.capabilities(Self::chrome_args())
.connect(&self.base_url)
.await
.context("Failed to create new session")
}
fn chrome_args() -> Map<String, Value> {
let args = serde_json::json!({
"goog:chromeOptions": {
"args": [
"--headless=new",
"--disable-gpu",
"--no-sandbox",
"--disable-dev-shm-usage",
"--disable-infobars",
"--disable-extensions",
"--disable-popup-blocking",
"--disable-notifications",
"--disable-logging",
"--disable-autofill",
"--disable-features=TranslateUI,OptimizationGuideModelDownloading",
"--window-size=1920,1080",
"--disable-blink-features=AutomationControlled",
"--user-agent=Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36"
],
"excludeSwitches": ["enable-logging", "enable-automation"],
"useAutomationExtension": false,
"prefs": {
"profile.default_content_setting_values.notifications": 2
}
}
});
args.as_object()
.expect("Capabilities should be a JSON object")
.clone()
}
}
/// Parses the ChromeDriver address from a log line.
/// ///
/// Looks for lines like "Starting ChromeDriver ... port=XXXX" or "Listening on 127.0.0.1:XXXX". /// Looks for the "Starting ChromeDriver ... on port XXXX" line and extracts the port.
/// Returns the full URL like "http://127.0.0.1:XXXX" if found. /// Returns `Some("http://localhost:XXXX")` if found, else `None`.
fn extract_url(line: &str) -> Option<String> { fn parse_chromedriver_address(line: &str) -> Option<String> {
if line.contains("Listening on") || line.contains("port=") { if line.contains("Starting ChromeDriver") {
// Simple regex-like parsing; adjust based on actual output if let Some(port_str) = line.split("on port ").nth(1) {
let parts: Vec<&str> = line.split_whitespace().collect(); if let Some(port) = port_str.split_whitespace().next() {
for part in parts { if port.parse::<u16>().is_ok() {
if part.starts_with("127.0.0.1:") || part.starts_with("localhost:") { return Some(format!("http://localhost:{}", port));
return Some(format!("http://{}", part)); }
} else if part.starts_with("port=") { }
let port = part.split('=').nth(1)?; }
}
// Fallback for other formats (e.g., explicit port mentions)
for word in line.split_whitespace() {
if let Ok(port) = word.trim_matches(|c: char| !c.is_numeric()).parse::<u16>() {
if port > 1024 && port < 65535 && line.to_lowercase().contains("port") {
return Some(format!("http://localhost:{}", port)); return Some(format!("http://localhost:{}", port));
} }
} }
@@ -112,108 +230,40 @@ impl ChromeInstance {
None None
} }
/// Creates a new fantoccini Client connected to this chromedriver instance.
///
/// # Errors
///
/// Returns an error if connection to the WebDriver URL fails.
pub async fn new_client(&self) -> Result<Client> {
ClientBuilder::rustls()
.connect(&self.url)
.await
.context("Failed to connect to chromedriver instance")
}
}
impl Drop for ChromeInstance { impl Drop for ChromeInstance {
fn drop(&mut self) { fn drop(&mut self) {
// Attempt to kill the process synchronously; for async, caller should handle if needed
if let Ok(status) = self.process.try_wait() {
if status.is_none() {
let _ = self.process.start_kill(); let _ = self.process.start_kill();
} std::thread::sleep(std::time::Duration::from_millis(100));
}
} }
} }
/// Represents a scrape task that can be executed asynchronously. /// Simplified task execution - now uses the pool pattern.
/// ///
/// This struct encapsulates the URL to scrape and a parse function that processes the page /// For backwards compatibility with existing code.
/// using the provided Client. The parse function is async and returns a user-defined type T.
///
/// # Type Parameters
///
/// * `T` - The type of data returned by the parse function.
///
/// # Examples
///
/// ```no_run
/// use crate::scraper::webdriver::ScrapeTask;
/// use fantoccini::Client;
/// use anyhow::Result;
/// use std::pin::Pin;
///
/// async fn example_parse(_client: &Client) -> Result<String> {
/// Ok("Parsed data".to_string())
/// }
///
/// #[tokio::main]
/// async fn main() -> Result<()> {
/// let task: ScrapeTask<String> = ScrapeTask::new(
/// "https://example.com".to_string(),
/// |client| Box::pin(example_parse(client)),
/// );
/// let result = task.execute().await?;
/// println!("{}", result);
/// Ok(())
/// }
/// ```
pub struct ScrapeTask<T> { pub struct ScrapeTask<T> {
url: String, url: String,
parse: Box<dyn FnOnce(&Client) -> Pin<Box<dyn std::future::Future<Output = Result<T>> + Send + 'static>> + Send + 'static>, parse: Box<dyn FnOnce(Client) -> Pin<Box<dyn std::future::Future<Output = Result<T>> + Send>> + Send>,
} }
impl<T: Send + 'static> ScrapeTask<T> { impl<T: Send + 'static> ScrapeTask<T> {
/// Creates a new ScrapeTask with the given URL and parse function. pub fn new<F, Fut>(url: String, parse: F) -> Self
/// where
/// The parse function takes a &Client and returns a future resolving to Result<T>. F: FnOnce(Client) -> Fut + Send + 'static,
pub fn new( Fut: std::future::Future<Output = Result<T>> + Send + 'static,
url: String, {
parse: impl FnOnce(&Client) -> Pin<Box<dyn std::future::Future<Output = Result<T>> + Send>> + Send + 'static,
) -> Self {
Self { Self {
url, url,
parse: Box::new(parse), parse: Box::new(move |client| Box::pin(parse(client))),
} }
} }
/// Executes the scrape task by starting a new ChromeInstance, connecting a client, /// Executes using a provided pool (more efficient for multiple tasks).
/// navigating to the URL, running the parse function, and cleaning up. pub async fn execute_with_pool(self, pool: &ChromeDriverPool) -> Result<T> {
/// let url = self.url;
/// This method ensures isolation by using a dedicated chromedriver instance per task. let parse = self.parse;
///
/// # Errors
///
/// Returns an error if:
/// - Failed to start chromedriver instance.
/// - Failed to connect client or navigate to URL.
/// - Parse function returns an error.
/// - Failed to close the client or kill the process.
pub async fn execute(self) -> Result<T> {
let instance = ChromeInstance::new().await.context("Failed to create ChromeInstance")?;
let client = instance.new_client().await.context("Failed to create client")?;
client.goto(&self.url).await.context("Failed to navigate to URL")?; pool.execute(url, move |client| async move {
(parse)(client).await
// Optional: Add common prep like rejecting cookies, waiting for elements, etc. }).await
// This can be customized per task if needed.
let result = (self.parse)(&client).await;
client.close().await.context("Failed to close client")?;
// Instance drops here, killing the process
result
} }
} }