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//
// Copyright (c) 2020-2021 science+computing ag and other contributors
//
// This program and the accompanying materials are made
// available under the terms of the Eclipse Public License 2.0
// which is available at https://www.eclipse.org/legal/epl-2.0/
//
// SPDX-License-Identifier: EPL-2.0
//
use anyhow::Error;
use anyhow::Result;
use diesel::PgConnection;
use diesel::prelude::*;
use crate::schema::githashes::*;
use crate::schema::githashes;
#[derive(Queryable)]
pub struct GitHash {
pub id: i32,
pub hash: String,
}
#[derive(Insertable)]
#[table_name="githashes"]
struct NewGitHash<'a> {
pub hash: &'a str,
}
impl GitHash {
pub fn create_or_fetch(database_connection: &PgConnection, githash: &str) -> Result<GitHash> {
let new_hash = NewGitHash { hash: githash };
diesel::insert_into(githashes::table)
.values(&new_hash)
.on_conflict_do_nothing()
.execute(database_connection)?;
dsl::githashes
.filter(hash.eq(githash))
.first::<GitHash>(database_connection)
.map_err(Error::from)
}
}
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