getRepositoriesSchemes method

Implementation

Future<Map<EntityRepository<Object>, TableScheme?>>
getRepositoriesSchemes() async {
  var reposBlocks =
      entityRepositories.splitBeforeIndexed((i, r) => i % 2 == 0).toList();

  final allSchemes = <EntityRepository<Object>, TableScheme?>{};

  // Call `getTableSchemeForEntityRepository` with a `contextID` to allow
  // shared internal cache between multiple calls:
  final contextID = List.unmodifiable([this, "getRepositoriesSchemes"]);

  for (var block in reposBlocks) {
    var repositorySchemes =
        await block
            .map(
              (r) => MapEntry(
                r,
                getTableSchemeForEntityRepository(r, contextID: contextID),
              ),
            )
            .toMapFromEntries()
            .resolveAllValues();

    allSchemes.addAll(repositorySchemes);
  }

  return allSchemes;
}