🐸 Frogue(Fed)

~ololduck/Frogue

Raw

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> {
        // ticket_labels: labels/tags created by repo owner (defaults per repo)
        manager
            .create_table(
                Table::create()
                    .table(TicketLabels::Table)
                    .if_not_exists()
                    .col(
                        ColumnDef::new(TicketLabels::Id)
                            .integer()
                            .not_null()
                            .auto_increment()
                            .primary_key(),
                    )
                    .col(
                        ColumnDef::new(TicketLabels::RepositoryId)
                            .integer()
                            .not_null(),
                    )
                    .col(ColumnDef::new(TicketLabels::Name).string_len(64).not_null())
                    .col(
                        ColumnDef::new(TicketLabels::CreatedAt)
                            .timestamp_with_time_zone()
                            .default(Expr::current_timestamp())
                            .not_null(),
                    )
                    .foreign_key(
                        ForeignKey::create()
                            .name("fk_ticket_labels_repository_id")
                            .from(TicketLabels::Table, TicketLabels::RepositoryId)
                            .to(Repositories::Table, Repositories::Id)
                            .on_delete(ForeignKeyAction::Cascade),
                    )
                    .index(
                        Index::create()
                            .name("index_ticket_labels_on_repository_id_and_name")
                            .col(TicketLabels::RepositoryId)
                            .col(TicketLabels::Name)
                            .unique(),
                    )
                    .to_owned(),
            )
            .await?;

        // tickets: issues/tickets
        manager
            .create_table(
                Table::create()
                    .table(Tickets::Table)
                    .if_not_exists()
                    .col(
                        ColumnDef::new(Tickets::Id)
                            .integer()
                            .not_null()
                            .auto_increment()
                            .primary_key(),
                    )
                    .col(ColumnDef::new(Tickets::Uuid).uuid().not_null().unique_key())
                    .col(ColumnDef::new(Tickets::RepositoryId).integer().not_null())
                    .col(ColumnDef::new(Tickets::CreatorId).integer().not_null())
                    .col(ColumnDef::new(Tickets::Number).integer().not_null())
                    .col(ColumnDef::new(Tickets::Summary).string_len(255).not_null())
                    .col(ColumnDef::new(Tickets::Description).text())
                    .col(
                        ColumnDef::new(Tickets::CreatedAt)
                            .timestamp_with_time_zone()
                            .default(Expr::current_timestamp())
                            .not_null(),
                    )
                    .col(
                        ColumnDef::new(Tickets::UpdatedAt)
                            .timestamp_with_time_zone()
                            .default(Expr::current_timestamp())
                            .not_null(),
                    )
                    .foreign_key(
                        ForeignKey::create()
                            .name("fk_tickets_repository_id")
                            .from(Tickets::Table, Tickets::RepositoryId)
                            .to(Repositories::Table, Repositories::Id)
                            .on_delete(ForeignKeyAction::Cascade),
                    )
                    .foreign_key(
                        ForeignKey::create()
                            .name("fk_tickets_creator_id")
                            .from(Tickets::Table, Tickets::CreatorId)
                            .to(Users::Table, Users::Id)
                            .on_delete(ForeignKeyAction::SetNull),
                    )
                    .index(
                        Index::create()
                            .name("index_tickets_on_repository_id_and_number")
                            .col(Tickets::RepositoryId)
                            .col(Tickets::Number)
                            .unique(),
                    )
                    .to_owned(),
            )
            .await?;

        // ticket_label_assignments: many-to-many
        manager
            .create_table(
                Table::create()
                    .table(TicketLabelAssignments::Table)
                    .if_not_exists()
                    .col(
                        ColumnDef::new(TicketLabelAssignments::Id)
                            .integer()
                            .not_null()
                            .auto_increment()
                            .primary_key(),
                    )
                    .col(
                        ColumnDef::new(TicketLabelAssignments::TicketId)
                            .integer()
                            .not_null(),
                    )
                    .col(
                        ColumnDef::new(TicketLabelAssignments::LabelId)
                            .integer()
                            .not_null(),
                    )
                    .col(
                        ColumnDef::new(TicketLabelAssignments::CreatedAt)
                            .timestamp_with_time_zone()
                            .default(Expr::current_timestamp())
                            .not_null(),
                    )
                    .foreign_key(
                        ForeignKey::create()
                            .name("fk_ticket_label_assignments_ticket_id")
                            .from(
                                TicketLabelAssignments::Table,
                                TicketLabelAssignments::TicketId,
                            )
                            .to(Tickets::Table, Tickets::Id)
                            .on_delete(ForeignKeyAction::Cascade),
                    )
                    .foreign_key(
                        ForeignKey::create()
                            .name("fk_ticket_label_assignments_label_id")
                            .from(
                                TicketLabelAssignments::Table,
                                TicketLabelAssignments::LabelId,
                            )
                            .to(TicketLabels::Table, TicketLabels::Id)
                            .on_delete(ForeignKeyAction::Cascade),
                    )
                    .index(
                        Index::create()
                            .name("index_ticket_label_assignments_on_ticket_id_and_label_id")
                            .col(TicketLabelAssignments::TicketId)
                            .col(TicketLabelAssignments::LabelId)
                            .unique(),
                    )
                    .to_owned(),
            )
            .await?;

        // attachments
        manager
            .create_table(
                Table::create()
                    .table(TicketAttachments::Table)
                    .if_not_exists()
                    .col(
                        ColumnDef::new(TicketAttachments::Id)
                            .integer()
                            .not_null()
                            .auto_increment()
                            .primary_key(),
                    )
                    .col(
                        ColumnDef::new(TicketAttachments::Uuid)
                            .uuid()
                            .not_null()
                            .unique_key(),
                    )
                    .col(
                        ColumnDef::new(TicketAttachments::TicketId)
                            .integer()
                            .not_null(),
                    )
                    .col(
                        ColumnDef::new(TicketAttachments::Filename)
                            .string_len(255)
                            .not_null(),
                    )
                    .col(
                        ColumnDef::new(TicketAttachments::ContentType)
                            .string_len(255)
                            .not_null(),
                    )
                    .col(ColumnDef::new(TicketAttachments::Size).integer().not_null())
                    .col(ColumnDef::new(TicketAttachments::Data).blob().not_null())
                    .col(
                        ColumnDef::new(TicketAttachments::CreatedAt)
                            .timestamp_with_time_zone()
                            .default(Expr::current_timestamp())
                            .not_null(),
                    )
                    .foreign_key(
                        ForeignKey::create()
                            .name("fk_ticket_attachments_ticket_id")
                            .from(TicketAttachments::Table, TicketAttachments::TicketId)
                            .to(Tickets::Table, Tickets::Id)
                            .on_delete(ForeignKeyAction::Cascade),
                    )
                    .to_owned(),
            )
            .await?;

        manager
            .create_index(
                Index::create()
                    .name("index_ticket_attachments_on_ticket_id_and_created_at")
                    .table(TicketAttachments::Table)
                    .col(TicketAttachments::TicketId)
                    .col(TicketAttachments::CreatedAt)
                    .to_owned(),
            )
            .await?;

        // The search index over tickets, in SQLite's own words: an FTS5 table
        // over the two columns a ticket is searched by. It reads its rows from
        // `tickets` rather than holding copies (`content=`), so the triggers
        // below only have to say when a row changed - a ticket that is edited
        // or removed is searchable, or unsearchable, the moment the row lands,
        // and no code path can forget to keep the two in step.
        manager
            .get_connection()
            .execute_unprepared(
                "CREATE VIRTUAL TABLE IF NOT EXISTS ticket_search \
                 USING fts5(summary, description, content='tickets', content_rowid='id', \
                 tokenize='unicode61')",
            )
            .await?;
        manager
            .get_connection()
            .execute_unprepared(
                "CREATE TRIGGER IF NOT EXISTS tickets_search_after_insert \
                 AFTER INSERT ON tickets BEGIN \
                 INSERT INTO ticket_search(rowid, summary, description) \
                 VALUES (new.id, new.summary, new.description); \
                 END",
            )
            .await?;
        manager
            .get_connection()
            .execute_unprepared(
                "CREATE TRIGGER IF NOT EXISTS tickets_search_after_update \
                 AFTER UPDATE ON tickets BEGIN \
                 INSERT INTO ticket_search(ticket_search, rowid, summary, description) \
                 VALUES ('delete', old.id, old.summary, old.description); \
                 INSERT INTO ticket_search(rowid, summary, description) \
                 VALUES (new.id, new.summary, new.description); \
                 END",
            )
            .await?;
        manager
            .get_connection()
            .execute_unprepared(
                "CREATE TRIGGER IF NOT EXISTS tickets_search_after_delete \
                 AFTER DELETE ON tickets BEGIN \
                 INSERT INTO ticket_search(ticket_search, rowid, summary, description) \
                 VALUES ('delete', old.id, old.summary, old.description); \
                 END",
            )
            .await?;

        Ok(())
    }

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

#[derive(Iden)]
enum Repositories {
    Table,
    Id,
}

#[derive(Iden)]
enum Users {
    Table,
    Id,
}

#[derive(Iden)]
enum Tickets {
    Table,
    Id,
    Uuid,
    RepositoryId,
    CreatorId,
    Number,
    Summary,
    Description,
    CreatedAt,
    UpdatedAt,
}

#[derive(Iden)]
enum TicketLabels {
    Table,
    Id,
    RepositoryId,
    Name,
    CreatedAt,
}

#[derive(Iden)]
enum TicketLabelAssignments {
    Table,
    Id,
    TicketId,
    LabelId,
    CreatedAt,
}

#[derive(Iden)]
enum TicketAttachments {
    Table,
    Id,
    Uuid,
    TicketId,
    Filename,
    ContentType,
    Size,
    Data,
    CreatedAt,
}