parse email address from index

crates/api_clients/grok_client/src/datatypes/mod.rs

@@ -1,3 +1,4 @@
 pub mod file_id;
 pub mod file_upload_spec;
+pub mod user_email;
 pub mod user_id;

crates/api_clients/grok_client/src/datatypes/user_email.rs

@@ -0,0 +1,3 @@
+/// Type for User Emails
+#[derive(Clone, Debug)]
+pub struct UserEmail(pub String);

crates/api_clients/grok_client/src/requests/index_page/parsers/index/mod.rs

@@ -5,3 +5,4 @@ pub mod parse_index_sentry_trace;
 pub mod parse_index_svg_paths;
 pub mod parse_index_verification_token;
 mod parse_index_user_id;
+mod parse_index_user_email;

crates/api_clients/grok_client/src/requests/index_page/parsers/index/parse_index_user_email.rs

@@ -0,0 +1,51 @@
+use crate::datatypes::user_id::UserId;
+use once_cell::sync::Lazy;
+use regex::Regex;
+use crate::datatypes::user_email::UserEmail;
+
+/// Find the user email in the index.html payload
+/// eg.
+static JSON_REGEX: Lazy<Regex> = Lazy::new(|| {
+  Regex::new(r#"\\?"email\\?":\s*\\?"([^"\\]+)\\?",?"#)
+      .expect("Regex should parse")
+});
+
+/// Parse the user email from the index.html
+pub fn parse_index_user_email(html: &str) -> Option<UserEmail> {
+  let maybe_meta = scrape_user_email_via_regex(html);
+
+  if let Some(meta) = maybe_meta {
+    return Some(UserEmail(meta))
+  }
+
+  None
+}
+
+fn scrape_user_email_via_regex(html: &str) -> Option<String> {
+  let captures = JSON_REGEX.captures(html)?;
+  let capture = captures.get(1)?;
+  Some(capture.as_str().to_string())
+}
+
+#[cfg(test)]
+mod tests {
+  use crate::requests::index_page::get_index_page::{get_index, GetIndexPageArgs};
+  use crate::requests::index_page::parsers::index::parse_index_user_email::parse_index_user_email;
+  use crate::test_utils::get_test_cookies::get_test_cookies;
+  use errors::AnyhowResult;
+
+  #[tokio::test]
+  #[ignore] // Manual test invocation
+  async fn test() -> AnyhowResult<()> {
+    let cookie = get_test_cookies()?;
+    let index = get_index(GetIndexPageArgs {
+      cookie: &cookie,
+    }).await?;
+
+    let user_email = parse_index_user_email(&index.body);
+    println!("User Email : {:?}", user_email);
+
+    assert_eq!(1, 2);
+    Ok(())
+  }
+}