52 lines
1.1 KiB
Rust
52 lines
1.1 KiB
Rust
#[macro_use]
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extern crate diesel;
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mod schema;
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use diesel::prelude::*;
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use dotenv::dotenv;
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itconfig::config! {
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DATABASE_URL,
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}
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fn main() {
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dotenv().expect("dotenv setup to be successful");
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config::init();
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let connection = establish_connection();
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let posts = get_posts(&connection);
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println!("Displaying {} posts", posts.len());
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for post in posts {
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println!();
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println!("{}", post.title);
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println!("----------");
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println!("{}", post.body);
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}
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}
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fn get_posts(connection: &PgConnection) -> Vec<Post> {
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use crate::schema::posts::dsl::*;
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posts
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.filter(published.eq(true))
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.limit(5)
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.get_results::<Post>(connection)
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.expect("Error loading posts")
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}
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fn establish_connection() -> PgConnection {
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let database_url = config::DATABASE_URL();
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PgConnection::establish(database_url)
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.unwrap_or_else(|_| panic!("Error connecting to {}", database_url))
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}
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#[derive(Queryable)]
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struct Post {
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pub id: i32,
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pub title: String,
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pub body: String,
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pub published: bool,
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}
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