presentation-rust-webapps/simple_text_board/src/models.rs

use crate::schema::posts::{self, dsl::posts as table_posts};
use chrono::NaiveDateTime;
use diesel::{QueryResult, RunQueryDsl, SqliteConnection};
use serde::Serialize;

#[derive(Insertable)]
#[table_name = "posts"]
pub struct NewPost<'a> {
    pub parent: Option<&'a i32>,
    pub timestamp: NaiveDateTime,
    pub author: &'a str,
    pub email: &'a str,
    pub title: &'a str,
    pub content: &'a str,
}

impl NewPost<'_> {
    pub fn insert(&self, conn: &SqliteConnection) -> QueryResult<usize> {
        diesel::insert_into(table_posts).values(self).execute(conn)
    }
}

#[derive(Debug, Queryable, Serialize)]
pub struct Post {
    pub id: i32,
    pub parent: Option<i32>,
    pub timestamp: NaiveDateTime,
    pub author: String,
    pub email: String,
    pub title: String,
    pub content: String,
}

impl Post {
    pub fn get_all(connection: &SqliteConnection) -> QueryResult<Vec<Post>> {
        posts::table.load::<Post>(connection)
    }
}