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use structopt::StructOpt;
use crate::{Settings, UrlMap};
use crate::db::backend::Connectable;
use crate::db::migration::{DatabaseChange, CreateModelOption};
use crate::db::models::Field;
#[derive(StructOpt)]
/// Perform database migrations
pub struct Migrate {
}
const CREATE_MIGRATION_TABLE: DatabaseChange = DatabaseChange::CreateModel {
name: "Migration",
fields: &[
Field::CharField {
name: "app_name",
max_length: None,
},
Field::IntField {
name: "migration_id",
},
Field::CharField {
name: "migration_name",
max_length: None,
},
Field::DateTimeField {
name: "applied_at",
}
],
options: &[CreateModelOption::IfNotExist],
};
impl Migrate {
pub fn execute<C: Connectable>(self, _urls: UrlMap, settings: Settings<C>) {
let database = settings.database;
let connection = database.connect().unwrap();
CREATE_MIGRATION_TABLE.apply::<C>("tosin_meta", &connection);
for app in settings.installed_apps {
for migration in app.migrations {
migration.apply::<C>(app.name, &connection);
}
}
}
}
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