neiam /bismuth

//! Users, sessions, and invite (registration) tokens — UUID primary keys.
//!
//! The application generates v7 UUIDs (`Uuid::now_v7()`) so new rows are
//! time-sortable; the DB never assigns ids, so there is no default here.
use sea_orm_migration::prelude::*;

#[derive(DeriveMigrationName)]
pub struct Migration;

#[async_trait::async_trait]
impl MigrationTrait for Migration {
    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
        // users
        manager
            .create_table(
                Table::create()
                    .table(Users::Table)
                    .if_not_exists()
                    .col(ColumnDef::new(Users::Id).uuid().not_null().primary_key())
                    .col(ColumnDef::new(Users::Username).string_len(50).unique_key().not_null())
                    .col(ColumnDef::new(Users::Email).string_len(255).unique_key().not_null())
                    .col(ColumnDef::new(Users::PasswordHash).string_len(255).not_null())
                    .col(ColumnDef::new(Users::IsActive).boolean().not_null().default(true))
                    .col(
                        ColumnDef::new(Users::CreatedAt)
                            .timestamp_with_time_zone()
                            .not_null()
                            .default(Expr::current_timestamp()),
                    )
                    .col(
                        ColumnDef::new(Users::UpdatedAt)
                            .timestamp_with_time_zone()
                            .not_null()
                            .default(Expr::current_timestamp()),
                    )
                    .col(ColumnDef::new(Users::LastLoginAt).timestamp_with_time_zone().null())
                    .to_owned(),
            )
            .await?;

        // registration_tokens (invites)
        manager
            .create_table(
                Table::create()
                    .table(RegistrationTokens::Table)
                    .if_not_exists()
                    .col(ColumnDef::new(RegistrationTokens::Id).uuid().not_null().primary_key())
                    .col(ColumnDef::new(RegistrationTokens::Token).string_len(255).unique_key().not_null())
                    .col(ColumnDef::new(RegistrationTokens::Email).string_len(255).null())
                    .col(ColumnDef::new(RegistrationTokens::CreatedByUserId).uuid().null())
                    .col(ColumnDef::new(RegistrationTokens::ExpiresAt).timestamp_with_time_zone().not_null())
                    .col(ColumnDef::new(RegistrationTokens::IsUsed).boolean().not_null().default(false))
                    .col(ColumnDef::new(RegistrationTokens::UsedByUserId).uuid().null())
                    .col(ColumnDef::new(RegistrationTokens::UsedAt).timestamp_with_time_zone().null())
                    .col(
                        ColumnDef::new(RegistrationTokens::CreatedAt)
                            .timestamp_with_time_zone()
                            .not_null()
                            .default(Expr::current_timestamp()),
                    )
                    .foreign_key(
                        ForeignKey::create()
                            .name("fk_registration_tokens_created_by_user_id")
                            .from(RegistrationTokens::Table, RegistrationTokens::CreatedByUserId)
                            .to(Users::Table, Users::Id)
                            .on_delete(ForeignKeyAction::SetNull)
                            .on_update(ForeignKeyAction::Cascade),
                    )
                    .foreign_key(
                        ForeignKey::create()
                            .name("fk_registration_tokens_used_by_user_id")
                            .from(RegistrationTokens::Table, RegistrationTokens::UsedByUserId)
                            .to(Users::Table, Users::Id)
                            .on_delete(ForeignKeyAction::SetNull)
                            .on_update(ForeignKeyAction::Cascade),
                    )
                    .to_owned(),
            )
            .await?;

        // user_sessions
        manager
            .create_table(
                Table::create()
                    .table(UserSessions::Table)
                    .if_not_exists()
                    .col(ColumnDef::new(UserSessions::Id).uuid().not_null().primary_key())
                    .col(ColumnDef::new(UserSessions::UserId).uuid().not_null())
                    .col(ColumnDef::new(UserSessions::SessionToken).string_len(255).unique_key().not_null())
                    .col(ColumnDef::new(UserSessions::ExpiresAt).timestamp_with_time_zone().not_null())
                    .col(
                        ColumnDef::new(UserSessions::CreatedAt)
                            .timestamp_with_time_zone()
                            .not_null()
                            .default(Expr::current_timestamp()),
                    )
                    .col(
                        ColumnDef::new(UserSessions::LastUsedAt)
                            .timestamp_with_time_zone()
                            .not_null()
                            .default(Expr::current_timestamp()),
                    )
                    .foreign_key(
                        ForeignKey::create()
                            .name("fk_user_sessions_user_id")
                            .from(UserSessions::Table, UserSessions::UserId)
                            .to(Users::Table, Users::Id)
                            .on_delete(ForeignKeyAction::Cascade)
                            .on_update(ForeignKeyAction::Cascade),
                    )
                    .to_owned(),
            )
            .await?;

        for idx in [
            ("idx_registration_tokens_token", RegistrationTokens::Table, RegistrationTokens::Token),
        ] {
            manager
                .create_index(Index::create().name(idx.0).table(idx.1).col(idx.2).to_owned())
                .await?;
        }
        manager
            .create_index(
                Index::create()
                    .name("idx_user_sessions_user_id")
                    .table(UserSessions::Table)
                    .col(UserSessions::UserId)
                    .to_owned(),
            )
            .await?;
        manager
            .create_index(
                Index::create()
                    .name("idx_user_sessions_expires_at")
                    .table(UserSessions::Table)
                    .col(UserSessions::ExpiresAt)
                    .to_owned(),
            )
            .await?;

        Ok(())
    }

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

#[derive(DeriveIden)]
enum Users {
    Table,
    Id,
    Username,
    Email,
    PasswordHash,
    IsActive,
    CreatedAt,
    UpdatedAt,
    LastLoginAt,
}

#[derive(DeriveIden)]
enum RegistrationTokens {
    Table,
    Id,
    Token,
    Email,
    CreatedByUserId,
    ExpiresAt,
    IsUsed,
    UsedByUserId,
    UsedAt,
    CreatedAt,
}

#[derive(DeriveIden)]
enum UserSessions {
    Table,
    Id,
    UserId,
    SessionToken,
    ExpiresAt,
    CreatedAt,
    LastUsedAt,
}