lemmy/crates/db_schema/src/lib.rs

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#[macro_use]
extern crate diesel;
#[macro_use]
extern crate diesel_derive_newtype;
use chrono::NaiveDateTime;
use diesel::{
backend::Backend,
deserialize::FromSql,
serialize::{Output, ToSql},
sql_types::Text,
};
use serde::{Deserialize, Serialize};
use std::{
fmt,
fmt::{Display, Formatter},
io::Write,
};
use url::Url;
pub mod schema;
pub mod source;
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#[derive(
Debug, Copy, Clone, Hash, Eq, PartialEq, Default, Serialize, Deserialize, DieselNewType,
)]
pub struct PostId(pub i32);
impl fmt::Display for PostId {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}", self.0)
}
}
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#[derive(
Debug, Copy, Clone, Hash, Eq, PartialEq, Default, Serialize, Deserialize, DieselNewType,
)]
pub struct PersonId(pub i32);
#[derive(Debug, Copy, Clone, Hash, Eq, PartialEq, Serialize, Deserialize, DieselNewType)]
pub struct CommentId(pub i32);
impl fmt::Display for CommentId {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}", self.0)
}
}
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#[derive(
Debug, Copy, Clone, Hash, Eq, PartialEq, Default, Serialize, Deserialize, DieselNewType,
)]
pub struct CommunityId(pub i32);
#[derive(Debug, Copy, Clone, Hash, Eq, PartialEq, Serialize, Deserialize, DieselNewType)]
pub struct LocalUserId(pub i32);
#[derive(Debug, Copy, Clone, Hash, Eq, PartialEq, Serialize, Deserialize, DieselNewType)]
pub struct PrivateMessageId(i32);
impl fmt::Display for PrivateMessageId {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}", self.0)
}
}
#[derive(Debug, Copy, Clone, Hash, Eq, PartialEq, Serialize, Deserialize, DieselNewType)]
pub struct PersonMentionId(i32);
#[derive(Debug, Copy, Clone, Hash, Eq, PartialEq, Serialize, Deserialize, DieselNewType)]
pub struct PersonBlockId(i32);
#[derive(Debug, Copy, Clone, Hash, Eq, PartialEq, Serialize, Deserialize, DieselNewType)]
pub struct CommunityBlockId(i32);
#[repr(transparent)]
#[derive(Clone, PartialEq, Serialize, Deserialize, Debug, AsExpression, FromSqlRow)]
#[sql_type = "Text"]
pub struct DbUrl(Url);
impl<DB: Backend> ToSql<Text, DB> for DbUrl
where
String: ToSql<Text, DB>,
{
fn to_sql<W: Write>(&self, out: &mut Output<W, DB>) -> diesel::serialize::Result {
self.0.to_string().to_sql(out)
}
}
impl<DB: Backend> FromSql<Text, DB> for DbUrl
where
String: FromSql<Text, DB>,
{
fn from_sql(bytes: Option<&DB::RawValue>) -> diesel::deserialize::Result<Self> {
let str = String::from_sql(bytes)?;
Ok(DbUrl(Url::parse(&str)?))
}
}
impl DbUrl {
// TODO: remove this method and just use into()
pub fn into_inner(self) -> Url {
self.0
}
}
impl Display for DbUrl {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
self.to_owned().0.fmt(f)
}
}
impl From<DbUrl> for Url {
fn from(url: DbUrl) -> Self {
url.0
}
}
impl From<Url> for DbUrl {
fn from(url: Url) -> Self {
DbUrl(url)
}
}
// TODO: can probably move this back to lemmy_db_queries
pub fn naive_now() -> NaiveDateTime {
chrono::prelude::Utc::now().naive_utc()
}