v/migration/src/m20230515_053227_initial.rs

use sea_orm_migration::prelude::*;

#[derive(DeriveMigrationName)]
pub struct Migration;

#[derive(Iden)]
enum Link {
    Table,
    Id,
    Target,
    Source,
    UserId,
}

#[derive(Iden)]
enum Click {
    Table,
    Id,
    LinkId,
    Time,
}

#[derive(Iden)]
enum User {
    Table,
    Id,
    Name,
    Password,
    IsAdmin,
}

#[async_trait::async_trait]
impl MigrationTrait for Migration {
    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
        // Replace the sample below with your own migration scripts
        manager
            .create_table(
                Table::create()
                    .table(User::Table)
                    .if_not_exists()
                    .col(
                        ColumnDef::new(User::Id)
                            .integer()
                            .not_null()
                            .auto_increment()
                            .primary_key(),
                    )
                    .col(ColumnDef::new(User::Name).string().unique_key().not_null())
                    .col(ColumnDef::new(User::Password).string())
                    .col(
                        ColumnDef::new(User::IsAdmin)
                            .boolean()
                            .default(false)
                            .not_null(),
                    )
                    .to_owned(),
            )
            .await?;
        manager
            .create_table(
                Table::create()
                    .table(Link::Table)
                    .if_not_exists()
                    .col(
                        ColumnDef::new(Link::Id)
                            .integer()
                            .not_null()
                            .auto_increment()
                            .primary_key(),
                    )
                    .col(ColumnDef::new(Link::Target).string().not_null())
                    .col(ColumnDef::new(Link::Source).string().not_null())
                    .col(ColumnDef::new(Link::UserId).integer().not_null())
                    .foreign_key(
                        ForeignKey::create()
                            .name("FK_user_link")
                            .from(Link::Table, Link::UserId)
                            .to(User::Table, User::Id)
                            .on_delete(ForeignKeyAction::Cascade)
                            .on_update(ForeignKeyAction::Cascade),
                    )
                    .to_owned(),
            )
            .await?;

        manager
            .create_table(
                Table::create()
                    .table(Click::Table)
                    .if_not_exists()
                    .col(
                        ColumnDef::new(Click::Id)
                            .integer()
                            .not_null()
                            .auto_increment()
                            .primary_key(),
                    )
                    .col(ColumnDef::new(Click::Time).timestamp())
                    .col(ColumnDef::new(Click::LinkId).integer())
                    .foreign_key(
                        ForeignKey::create()
                            .name("FK_link_click")
                            .from(Click::Table, Click::LinkId)
                            .to(Link::Table, Link::Id)
                            .on_delete(ForeignKeyAction::Cascade)
                            .on_update(ForeignKeyAction::Cascade),
                    )
                    .to_owned(),
            )
            .await?;

        Ok(())
    }

    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
        manager
            .drop_table(Table::drop().table(Click::Table).to_owned())
            .await?;

        manager
            .drop_table(Table::drop().table(Link::Table).to_owned())
            .await?;

        manager
            .drop_table(Table::drop().table(User::Table).to_owned())
            .await?;

        Ok(())
    }
}