Function makePluginStorageFacade

packages/core/sdk/src/executor.ts:1521–1846

(input: {
  readonly core: CoreDb;
  readonly pluginId: string;
  readonly owner: OwnerBinding;
})

};

const makePluginStorageFacade = (input: {
  readonly core: CoreDb;
  readonly pluginId: string;
  readonly owner: OwnerBinding;
}): PluginStorageFacade => {
  // Owner partitions: org always, plus this subject's user partition.
  const readOwners: readonly Owner[] = input.owner.subject == null ? ["org"] : ["user", "org"];

  const ownerSubject = (owner: Owner): { owner: Owner; subject: string } | null => {
    if (owner === "org") return { owner: "org", subject: ORG_SUBJECT };
    if (input.owner.subject == null) return null;
    return { owner: "user", subject: String(input.owner.subject) };
  };

  const tenant = String(input.owner.tenant);

  const whereFor =
    (collection: string, key?: string): CoreWhere =>
    (b: AnyCb) =>
      b.and(
        b("plugin_id", "=", input.pluginId),
        b("collection", "=", collection),
        key === undefined ? true : b("key", "=", key),
      );

  const whereOwner = (owner: Owner, collection: string, key: string): CoreWhere => {
    const os = ownerSubject(owner);
    return (b: AnyCb) =>
      b.and(
        b("plugin_id", "=", input.pluginId),
        b("collection", "=", collection),
        b("key", "=", key),
        b("owner", "=", owner),
        b("subject", "=", os ? os.subject : ORG_SUBJECT),
      );
  };

  const ownerRank = (owner: Owner): number => readOwners.indexOf(owner);

  const sortByOwnerPrecedence = (rows: readonly CoreRow<"plugin_storage">[]) =>
    [...rows].sort((left, right) => {
      const l = ownerRank(left.owner as Owner);
      const r = ownerRank(right.owner as Owner);
      return l - r || left.key.localeCompare(right.key);
    });

  const getVisible = <T>(collection: string, key: string) =>
    input.core.findMany("plugin_storage", { where: whereFor(collection, key) }).pipe(
      Effect.map((rows) => sortByOwnerPrecedence(rows)[0] ?? null),
      Effect.map((row) => (row ? pluginStorageEntryFromRow<T>(row) : null)),
    );

  const getForOwnerImpl = <T>(owner: Owner, collection: string, key: string) =>
    input.core
      .findFirst("plugin_storage", {
        where: whereOwner(owner, collection, key),
      })
      .pipe(Effect.map((row) => (row ? pluginStorageEntryFromRow<T>(row) : null)));