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use sea_orm_migration::prelude::*;
use crate::iden::{CrateIden, CrateUserIden, UserIden};
#[derive(DeriveMigrationName)]
pub struct Migration;
#[async_trait::async_trait]
impl MigrationTrait for Migration {
async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
// Manual check if the column exists is needed, as Sqlite does not support
// ALTER TABLE IF COLUMN EXISTS. Without the check, the migration would fail
// on Sqlite with an "duplicate column" error.
if !manager.has_column("krate", "restricted_download").await? {
manager
.alter_table(
Table::alter()
.table(CrateIden::Table)
.add_column_if_not_exists(
ColumnDef::new(CrateIden::RestrictedDownload)
.boolean()
.not_null()
.default(false),
)
.to_owned(),
)
.await?;
}
manager
.create_table(
Table::create()
.table(CrateUserIden::Table)
.if_not_exists()
.col(
ColumnDef::new(CrateUserIden::Id)
.big_integer()
.not_null()
.primary_key()
.auto_increment(),
)
.col(
ColumnDef::new(CrateUserIden::CrateFk)
.big_integer()
.not_null(),
)
.col(
ColumnDef::new(CrateUserIden::UserFk)
.big_integer()
.not_null(),
)
.foreign_key(
ForeignKey::create()
.name("crate_fk")
.from(CrateUserIden::Table, CrateUserIden::CrateFk)
.to(CrateIden::Table, CrateIden::Id)
.on_update(ForeignKeyAction::NoAction)
.on_delete(ForeignKeyAction::Cascade),
)
.foreign_key(
ForeignKey::create()
.name("user_fk")
.from(CrateUserIden::Table, CrateUserIden::UserFk)
.to(UserIden::Table, UserIden::Id)
.on_update(ForeignKeyAction::NoAction)
.on_delete(ForeignKeyAction::Cascade),
)
.to_owned(),
)
.await
}
async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
manager
.drop_table(Table::drop().table(CrateUserIden::Table).to_owned())
.await?;
manager
.alter_table(
Table::alter()
.table(CrateIden::Table)
.drop_column(CrateIden::RestrictedDownload)
.to_owned(),
)
.await
}
}