sendou.ink/migrations/005-patrons.js

module.exports.up = function (db) {
  db.prepare(`alter table "User" add column "patronTier" integer`).run();
  db.prepare(`alter table "User" add column "patronSince" integer`).run();

  db.prepare(
    `insert into "Badge" ("code", "displayName") values ('patreon', 'Supporter')`
  ).run();
  db.prepare(
    `insert into "Badge" ("code", "displayName") values ('patreon_plus', 'Supporter+')`
  ).run();

  db.prepare(`alter table "BadgeOwner" rename to "TournamentBadgeOwner"`).run();

  const patreonBadgeId = db
    .prepare(`select "id" from "Badge" where "code" = 'patreon'`)
    .get().id;
  const patreonPlusBadgeId = db
    .prepare(`select "id" from "Badge" where "code" = 'patreon_plus'`)
    .get().id;

  db.prepare(
    `
    create view "BadgeOwner" as
      select "userId", "badgeId" from "TournamentBadgeOwner"
        union all
      select 
        "id" as "userId",
        case
          when "patronTier" = 2 then ${patreonBadgeId}
          else ${patreonPlusBadgeId}
        end "badgeId"
      from "User"
      where "patronTier" > 1
  `
  ).run();
};

module.exports.down = function (db) {
  db.prepare(`drop view "BadgeOwner"`).run();
  db.prepare(`alter table "User" drop column "patronTier"`).run();
  db.prepare(`alter table "User" drop column "patronSince"`).run();

  db.prepare(
    `delete from "Badge" where "code" in ('patreon_plus', 'patreon')`
  ).run();

  db.prepare(`alter table "TournamentBadgeOwner" rename to "BadgeOwner"`).run();
};