@loopback/repository
Version:
Define and implement a common set of interfaces for interacting with databases
43 lines • 2.69 kB
JavaScript
;
// Copyright IBM Corp. and LoopBack contributors 2020. All Rights Reserved.
// Node module: @loopback/repository
// This file is licensed under the MIT License.
// License text available at https://opensource.org/licenses/MIT
Object.defineProperty(exports, "__esModule", { value: true });
exports.createHasManyThroughRepositoryFactory = void 0;
const has_many_through_helpers_1 = require("./has-many-through.helpers");
const has_many_through_inclusion_resolver_1 = require("./has-many-through.inclusion-resolver");
const has_many_through_repository_1 = require("./has-many-through.repository");
function createHasManyThroughRepositoryFactory(relationMetadata, targetRepositoryGetter, throughRepositoryGetter) {
const meta = (0, has_many_through_helpers_1.resolveHasManyThroughMetadata)(relationMetadata);
// resolve the repositoryGetter into a dictionary
if (typeof targetRepositoryGetter === 'function') {
targetRepositoryGetter = {
[meta.target().name]: targetRepositoryGetter,
};
}
const result = function (fkValue) {
function getTargetConstraintFromThroughModels(throughInstances) {
return (0, has_many_through_helpers_1.createTargetConstraintFromThrough)(meta, throughInstances);
}
function getTargetKeys(throughInstances) {
return (0, has_many_through_helpers_1.getTargetKeysFromThroughModels)(meta, throughInstances);
}
function getThroughConstraintFromSource() {
const constraint = (0, has_many_through_helpers_1.createThroughConstraintFromSource)(meta, fkValue);
return constraint;
}
function getTargetIds(targetInstances) {
return (0, has_many_through_helpers_1.getTargetIdsFromTargetModels)(meta, targetInstances);
}
function getThroughConstraintFromTarget(fkValues) {
const constraint = (0, has_many_through_helpers_1.createThroughConstraintFromTarget)(meta, fkValues);
return constraint;
}
return new has_many_through_repository_1.DefaultHasManyThroughRepository(targetRepositoryGetter, throughRepositoryGetter, getTargetConstraintFromThroughModels, getTargetKeys, getThroughConstraintFromSource, getTargetIds, getThroughConstraintFromTarget, relationMetadata.target, relationMetadata.through.model);
};
result.inclusionResolver = (0, has_many_through_inclusion_resolver_1.createHasManyThroughInclusionResolver)(meta, throughRepositoryGetter, targetRepositoryGetter);
return result;
}
exports.createHasManyThroughRepositoryFactory = createHasManyThroughRepositoryFactory;
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