mirror of https://github.com/LemmyNet/lemmy.git
227 lines
4.9 KiB
Rust
227 lines
4.9 KiB
Rust
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#[macro_use]
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extern crate diesel;
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#[macro_use]
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extern crate strum_macros;
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#[macro_use]
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extern crate lazy_static;
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use chrono::NaiveDateTime;
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use diesel::{result::Error, *};
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use regex::Regex;
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use serde::{Deserialize, Serialize};
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use std::{env, env::VarError};
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pub mod activity;
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pub mod category;
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pub mod comment;
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pub mod comment_view;
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pub mod community;
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pub mod community_view;
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pub mod moderator;
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pub mod moderator_views;
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pub mod password_reset_request;
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pub mod post;
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pub mod post_view;
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pub mod private_message;
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pub mod private_message_view;
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pub mod schema;
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pub mod site;
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pub mod site_view;
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pub mod user;
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pub mod user_mention;
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pub mod user_mention_view;
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pub mod user_view;
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pub type DbPool = diesel::r2d2::Pool<diesel::r2d2::ConnectionManager<diesel::PgConnection>>;
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pub trait Crud<T> {
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fn create(conn: &PgConnection, form: &T) -> Result<Self, Error>
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where
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Self: Sized;
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fn read(conn: &PgConnection, id: i32) -> Result<Self, Error>
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where
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Self: Sized;
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fn update(conn: &PgConnection, id: i32, form: &T) -> Result<Self, Error>
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where
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Self: Sized;
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fn delete(_conn: &PgConnection, _id: i32) -> Result<usize, Error>
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where
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Self: Sized,
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{
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unimplemented!()
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}
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}
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pub trait Followable<T> {
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fn follow(conn: &PgConnection, form: &T) -> Result<Self, Error>
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where
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Self: Sized;
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fn unfollow(conn: &PgConnection, form: &T) -> Result<usize, Error>
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where
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Self: Sized;
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}
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pub trait Joinable<T> {
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fn join(conn: &PgConnection, form: &T) -> Result<Self, Error>
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where
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Self: Sized;
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fn leave(conn: &PgConnection, form: &T) -> Result<usize, Error>
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where
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Self: Sized;
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}
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pub trait Likeable<T> {
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fn like(conn: &PgConnection, form: &T) -> Result<Self, Error>
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where
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Self: Sized;
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fn remove(conn: &PgConnection, user_id: i32, item_id: i32) -> Result<usize, Error>
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where
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Self: Sized;
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}
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pub trait Bannable<T> {
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fn ban(conn: &PgConnection, form: &T) -> Result<Self, Error>
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where
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Self: Sized;
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fn unban(conn: &PgConnection, form: &T) -> Result<usize, Error>
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where
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Self: Sized;
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}
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pub trait Saveable<T> {
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fn save(conn: &PgConnection, form: &T) -> Result<Self, Error>
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where
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Self: Sized;
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fn unsave(conn: &PgConnection, form: &T) -> Result<usize, Error>
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where
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Self: Sized;
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}
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pub trait Readable<T> {
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fn mark_as_read(conn: &PgConnection, form: &T) -> Result<Self, Error>
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where
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Self: Sized;
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fn mark_as_unread(conn: &PgConnection, form: &T) -> Result<usize, Error>
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where
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Self: Sized;
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}
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pub trait MaybeOptional<T> {
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fn get_optional(self) -> Option<T>;
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}
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impl<T> MaybeOptional<T> for T {
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fn get_optional(self) -> Option<T> {
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Some(self)
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}
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}
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impl<T> MaybeOptional<T> for Option<T> {
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fn get_optional(self) -> Option<T> {
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self
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}
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}
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pub fn get_database_url_from_env() -> Result<String, VarError> {
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env::var("LEMMY_DATABASE_URL")
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}
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#[derive(EnumString, ToString, Debug, Serialize, Deserialize)]
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pub enum SortType {
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Active,
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Hot,
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New,
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TopDay,
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TopWeek,
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TopMonth,
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TopYear,
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TopAll,
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}
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#[derive(EnumString, ToString, Debug, Serialize, Deserialize)]
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pub enum ListingType {
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All,
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Local,
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Subscribed,
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Community,
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}
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#[derive(EnumString, ToString, Debug, Serialize, Deserialize)]
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pub enum SearchType {
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All,
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Comments,
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Posts,
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Communities,
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Users,
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Url,
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}
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pub fn fuzzy_search(q: &str) -> String {
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let replaced = q.replace(" ", "%");
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format!("%{}%", replaced)
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}
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pub fn limit_and_offset(page: Option<i64>, limit: Option<i64>) -> (i64, i64) {
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let page = page.unwrap_or(1);
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let limit = limit.unwrap_or(10);
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let offset = limit * (page - 1);
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(limit, offset)
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}
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pub fn naive_now() -> NaiveDateTime {
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chrono::prelude::Utc::now().naive_utc()
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}
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pub fn is_email_regex(test: &str) -> bool {
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EMAIL_REGEX.is_match(test)
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}
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pub fn diesel_option_overwrite(opt: &Option<String>) -> Option<Option<String>> {
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match opt {
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// An empty string is an erase
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Some(unwrapped) => {
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if !unwrapped.eq("") {
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Some(Some(unwrapped.to_owned()))
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} else {
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Some(None)
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}
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}
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None => None,
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}
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}
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lazy_static! {
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static ref EMAIL_REGEX: Regex =
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Regex::new(r"^[a-zA-Z0-9.!#$%&’*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$").unwrap();
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}
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#[cfg(test)]
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mod tests {
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use super::fuzzy_search;
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use crate::{get_database_url_from_env, is_email_regex};
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use diesel::{Connection, PgConnection};
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pub fn establish_unpooled_connection() -> PgConnection {
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let db_url = match get_database_url_from_env() {
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Ok(url) => url,
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Err(e) => panic!(
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"Failed to read database URL from env var LEMMY_DATABASE_URL: {}",
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e
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),
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};
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PgConnection::establish(&db_url).unwrap_or_else(|_| panic!("Error connecting to {}", db_url))
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}
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#[test]
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fn test_fuzzy_search() {
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let test = "This is a fuzzy search";
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assert_eq!(fuzzy_search(test), "%This%is%a%fuzzy%search%".to_string());
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}
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#[test]
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fn test_email() {
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assert!(is_email_regex("gush@gmail.com"));
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assert!(!is_email_regex("nada_neutho"));
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}
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}
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