4 extern crate strum_macros;
6 extern crate lazy_static;
8 use chrono::NaiveDateTime;
9 use diesel::{result::Error, *};
11 use serde::{Deserialize, Serialize};
12 use std::{env, env::VarError};
17 pub mod comment_report;
20 pub mod community_view;
22 pub mod moderator_views;
23 pub mod password_reset_request;
27 pub mod private_message;
28 pub mod private_message_view;
34 pub mod user_mention_view;
37 pub type DbPool = diesel::r2d2::Pool<diesel::r2d2::ConnectionManager<diesel::PgConnection>>;
40 fn create(conn: &PgConnection, form: &T) -> Result<Self, Error>
43 fn read(conn: &PgConnection, id: i32) -> Result<Self, Error>
46 fn update(conn: &PgConnection, id: i32, form: &T) -> Result<Self, Error>
49 fn delete(_conn: &PgConnection, _id: i32) -> Result<usize, Error>
57 pub trait Followable<T> {
58 fn follow(conn: &PgConnection, form: &T) -> Result<Self, Error>
61 fn follow_accepted(conn: &PgConnection, community_id: i32, user_id: i32) -> Result<Self, Error>
64 fn unfollow(conn: &PgConnection, form: &T) -> Result<usize, Error>
67 fn has_local_followers(conn: &PgConnection, community_id: i32) -> Result<bool, Error>;
70 pub trait Joinable<T> {
71 fn join(conn: &PgConnection, form: &T) -> Result<Self, Error>
74 fn leave(conn: &PgConnection, form: &T) -> Result<usize, Error>
79 pub trait Likeable<T> {
80 fn like(conn: &PgConnection, form: &T) -> Result<Self, Error>
83 fn remove(conn: &PgConnection, user_id: i32, item_id: i32) -> Result<usize, Error>
88 pub trait Bannable<T> {
89 fn ban(conn: &PgConnection, form: &T) -> Result<Self, Error>
92 fn unban(conn: &PgConnection, form: &T) -> Result<usize, Error>
97 pub trait Saveable<T> {
98 fn save(conn: &PgConnection, form: &T) -> Result<Self, Error>
101 fn unsave(conn: &PgConnection, form: &T) -> Result<usize, Error>
106 pub trait Readable<T> {
107 fn mark_as_read(conn: &PgConnection, form: &T) -> Result<Self, Error>
110 fn mark_as_unread(conn: &PgConnection, form: &T) -> Result<usize, Error>
115 pub trait Reportable<T> {
116 fn report(conn: &PgConnection, form: &T) -> Result<Self, Error>
119 fn resolve(conn: &PgConnection, report_id: i32, resolver_id: i32) -> Result<usize, Error>
122 fn unresolve(conn: &PgConnection, report_id: i32, resolver_id: i32) -> Result<usize, Error>
127 pub trait MaybeOptional<T> {
128 fn get_optional(self) -> Option<T>;
131 impl<T> MaybeOptional<T> for T {
132 fn get_optional(self) -> Option<T> {
137 impl<T> MaybeOptional<T> for Option<T> {
138 fn get_optional(self) -> Option<T> {
143 pub fn get_database_url_from_env() -> Result<String, VarError> {
144 env::var("LEMMY_DATABASE_URL")
147 #[derive(EnumString, ToString, Debug, Serialize, Deserialize)]
159 #[derive(EnumString, ToString, Debug, Serialize, Deserialize, Clone)]
160 pub enum ListingType {
167 #[derive(EnumString, ToString, Debug, Serialize, Deserialize)]
168 pub enum SearchType {
177 pub fn fuzzy_search(q: &str) -> String {
178 let replaced = q.replace(" ", "%");
179 format!("%{}%", replaced)
182 pub fn limit_and_offset(page: Option<i64>, limit: Option<i64>) -> (i64, i64) {
183 let page = page.unwrap_or(1);
184 let limit = limit.unwrap_or(10);
185 let offset = limit * (page - 1);
189 pub fn naive_now() -> NaiveDateTime {
190 chrono::prelude::Utc::now().naive_utc()
193 pub fn is_email_regex(test: &str) -> bool {
194 EMAIL_REGEX.is_match(test)
197 pub fn diesel_option_overwrite(opt: &Option<String>) -> Option<Option<String>> {
199 // An empty string is an erase
201 if !unwrapped.eq("") {
202 Some(Some(unwrapped.to_owned()))
212 static ref EMAIL_REGEX: Regex =
213 Regex::new(r"^[a-zA-Z0-9.!#$%&’*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$").unwrap();
218 use super::fuzzy_search;
219 use crate::{get_database_url_from_env, is_email_regex};
220 use diesel::{Connection, PgConnection};
222 pub fn establish_unpooled_connection() -> PgConnection {
223 let db_url = match get_database_url_from_env() {
226 "Failed to read database URL from env var LEMMY_DATABASE_URL: {}",
230 PgConnection::establish(&db_url).unwrap_or_else(|_| panic!("Error connecting to {}", db_url))
234 fn test_fuzzy_search() {
235 let test = "This is a fuzzy search";
236 assert_eq!(fuzzy_search(test), "%This%is%a%fuzzy%search%".to_string());
241 assert!(is_email_regex("gush@gmail.com"));
242 assert!(!is_email_regex("nada_neutho"));