adding corporate data to webscraper

src/config.rs

@@ -0,0 +1,38 @@
+// src/config.rs
+#[derive(Debug, Clone)]
+pub struct Config {
+    // Economic calendar start (usually the earliest available on finanzen.net)
+    pub economic_start_date: String,     // e.g. "2007-02-13"
+
+    // Corporate earnings & price history start
+    pub corporate_start_date: String,    // e.g. "2000-01-01" or "2010-01-01"
+
+    // How far into the future we scrape economic events
+    pub economic_lookahead_months: u32,  // default: 3
+}
+
+impl Default for Config {
+    fn default() -> Self {
+        Self {
+            economic_start_date: "2007-02-13".to_string(),
+            corporate_start_date: "2010-01-01".to_string(),
+            economic_lookahead_months: 3,
+        }
+    }
+}
+
+impl Config {
+    pub fn target_end_date(&self) -> String {
+        let now = chrono::Local::now().naive_local().date();
+        let future = now + chrono::Duration::days(30 * self.economic_lookahead_months as i64);
+        future.format("%Y-%m-%d").to_string()
+    }
+}
+
+pub fn get_tickers() -> Vec<String> {
+    vec![
+        "AAPL", "MSFT", "NVDA", "GOOGL", "AMZN",
+        "TSLA", "META", "JPM", "V", "WMT",
+        // ... your 100–500 tickers here
+    ].into_iter().map(String::from).collect()
+}