lemmy/server/src/lib.rs

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Rust
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#[macro_use]
pub extern crate diesel;
pub extern crate dotenv;
pub extern crate chrono;
pub extern crate serde;
pub extern crate serde_json;
pub extern crate actix;
pub extern crate actix_web;
pub extern crate rand;
pub extern crate strum;
pub extern crate jsonwebtoken;
pub extern crate bcrypt;
pub extern crate regex;
#[macro_use] pub extern crate strum_macros;
pub mod schema;
pub mod apub;
pub mod actions;
pub mod websocket_server;
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use diesel::*;
use diesel::pg::PgConnection;
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use diesel::result::Error;
use dotenv::dotenv;
use std::env;
use regex::Regex;
use serde::{Deserialize, Serialize};
use chrono::{DateTime, NaiveDateTime, Utc};
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pub trait Crud<T> {
fn create(conn: &PgConnection, form: &T) -> Result<Self, Error> where Self: Sized;
fn read(conn: &PgConnection, id: i32) -> Result<Self, Error> where Self: Sized;
fn update(conn: &PgConnection, id: i32, form: &T) -> Result<Self, Error> where Self: Sized;
fn delete(conn: &PgConnection, id: i32) -> Result<usize, Error> where Self: Sized;
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}
pub trait Followable<T> {
fn follow(conn: &PgConnection, form: &T) -> Result<Self, Error> where Self: Sized;
fn ignore(conn: &PgConnection, form: &T) -> Result<usize, Error> where Self: Sized;
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}
pub trait Joinable<T> {
fn join(conn: &PgConnection, form: &T) -> Result<Self, Error> where Self: Sized;
fn leave(conn: &PgConnection, form: &T) -> Result<usize, Error> where Self: Sized;
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}
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pub trait Likeable<T> {
fn read(conn: &PgConnection, id: i32) -> Result<Vec<Self>, Error> where Self: Sized;
fn like(conn: &PgConnection, form: &T) -> Result<Self, Error> where Self: Sized;
fn remove(conn: &PgConnection, form: &T) -> Result<usize, Error> where Self: Sized;
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}
pub fn establish_connection() -> PgConnection {
let db_url = Settings::get().db_url;
PgConnection::establish(&db_url)
.expect(&format!("Error connecting to {}", db_url))
}
pub struct Settings {
db_url: String,
hostname: String
}
impl Settings {
fn get() -> Self {
dotenv().ok();
Settings {
db_url: env::var("DATABASE_URL")
.expect("DATABASE_URL must be set"),
hostname: env::var("HOSTNAME").unwrap_or("http://0.0.0.0".to_string())
}
}
fn api_endpoint(&self) -> String {
format!("{}/api/v1", self.hostname)
}
}
#[derive(EnumString,ToString,Debug, Serialize, Deserialize)]
pub enum SortType {
Hot, New, TopDay, TopWeek, TopMonth, TopYear, TopAll
}
pub fn to_datetime_utc(ndt: NaiveDateTime) -> DateTime<Utc> {
DateTime::<Utc>::from_utc(ndt, Utc)
}
pub fn naive_now() -> NaiveDateTime {
chrono::prelude::Utc::now().naive_utc()
}
pub fn is_email_regex(test: &str) -> bool {
let re = Regex::new(r"^[a-zA-Z0-9.!#$%&*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$").unwrap();
re.is_match(test)
}
#[cfg(test)]
mod tests {
use {Settings, is_email_regex};
#[test]
fn test_api() {
assert_eq!(Settings::get().api_endpoint(), "http://0.0.0.0/api/v1");
}
#[test]
fn test_email() {
assert!(is_email_regex("gush@gmail.com"));
assert!(!is_email_regex("nada_neutho"));
}
}