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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::prelude::*;
use diesel::PgConnection;
use crate::schema::images;
use crate::schema::images::*;
use crate::util::docker::ImageName;
#[derive(Identifiable, Queryable)]
pub struct Image {
pub id: i32,
pub name: String,
}
#[derive(Insertable)]
#[table_name = "images"]
struct NewImage<'a> {
pub name: &'a str,
}
impl Image {
pub fn create_or_fetch(
database_connection: &PgConnection,
image_name: &ImageName,
) -> Result<Image> {
let new_image = NewImage {
name: image_name.as_ref(),
};
diesel::insert_into(images::table)
.values(&new_image)
.on_conflict_do_nothing()
.execute(database_connection)?;
dsl::images
.filter(name.eq(image_name.as_ref()))
.first::<Image>(database_connection)
.map_err(Error::from)
}
}
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