use anyhow::Result;
use async_trait::async_trait;
use sqlx::PgPool;
use super::Seeder;
pub struct SeedExampleSeeder;
impl SeedExampleSeeder {
pub fn new() -> Self {
Self
}
}
impl Default for SeedExampleSeeder {
fn default() -> Self {
Self::new()
}
}
#[async_trait]
impl Seeder for SeedExampleSeeder {
fn name(&self) -> &'static str {
"SeedExampleSeeder"
}
fn order(&self) -> i32 {
1
}
async fn should_run(&self, pool: &PgPool) -> Result<bool> {
let count: (i64,) = sqlx::query_as("SELECT COUNT(*) FROM examples")
.fetch_one(pool)
.await?;
Ok(count.0 == 0)
}
async fn run(&self, pool: &PgPool) -> Result<()> {
sqlx::query(
"INSERT INTO examples (name, description, status) VALUES \
('First Example', 'Seeded reference row', 'active'), \
('Second Example', NULL, 'inactive')",
)
.execute(pool)
.await?;
Ok(())
}
async fn rollback(&self, pool: &PgPool) -> Result<()> {
sqlx::query("DELETE FROM examples").execute(pool).await?;
Ok(())
}
}