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loopback-datasource-juggler
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Implement scope.findById

This commit is contained in:
Fabien Franzen 2015-03-20 16:37:46 +01:00
parent 112f2bd652
commit 34acc6c50a
2 changed files with 43 additions and 4 deletions
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24
lib/scope.js
View File

@ -189,6 +189,7 @@ function defineScope(cls, targetClass, name, params, methods, options) {
f.build = build;
f.create = create;
f.destroyAll = destroyAll;
f.findById = findById;
f.count = count;
for (var i in definition.methods) {
f[i] = definition.methods[i].bind(self);
@ -237,6 +238,13 @@ function defineScope(cls, targetClass, name, params, methods, options) {
cls['__delete__' + name] = fn_delete;
var fn_findById = function (cb) {
var f = this[name].findById;
f.apply(this[name], arguments);
};
cls['__findById__' + name] = fn_findById;
var fn_count = function (cb) {
var f = this[name].count;
f.apply(this[name], arguments);
@ -270,19 +278,29 @@ function defineScope(cls, targetClass, name, params, methods, options) {
*/
function destroyAll(where, cb) {
if (typeof where === 'function') cb = where, where = {};
var targetModel = definition.targetModel(this._receiver);
var scoped = (this._scope && this._scope.where) || {};
var filter = mergeQuery({ where: scoped }, { where: where || {} });
var targetModel = definition.targetModel(this._receiver);
targetModel.destroyAll(filter.where, cb);
}
function findById(id, cb) {
var targetModel = definition.targetModel(this._receiver);
var idName = targetModel.definition.idName();
var where = {};
where[idName] = id;
var scoped = (this._scope && this._scope.where) || {};
var filter = mergeQuery({ where: scoped }, { where: where });
targetModel.findOne(filter, cb);
}
function count(where, cb) {
if (typeof where === 'function') cb = where, where = {};
var targetModel = definition.targetModel(this._receiver);
var scoped = (this._scope && this._scope.where) || {};
var filter = mergeQuery({ where: scoped }, { where: where || {} });
var targetModel = definition.targetModel(this._receiver);
targetModel.count(filter.where, cb);
}
return definition;
}

23
test/scope.test.js
View File

@ -133,6 +133,8 @@ describe('scope - order', function () {
describe('scope - filtered count and destroyAll', function () {
var stationA;
before(function () {
db = getSchema();
Station = db.define('Station', {
@ -154,7 +156,10 @@ describe('scope - filtered count and destroyAll', function () {
});
beforeEach(function (done) {
Station.create({ name: 'a', order: 1 }, done);
Station.create({ name: 'a', order: 1 }, function(err, inst) {
stationA = inst;
done();
});
});
beforeEach(function (done) {
@ -177,6 +182,22 @@ describe('scope - filtered count and destroyAll', function () {
});
});
it('should find by id - match', function(done) {
Station.active.findById(stationA.id, function(err, station) {
should.not.exist(err);
station.name.should.equal('a');
done();
});
});
it('should find by id - no match', function(done) {
Station.inactive.findById(stationA.id, function(err, station) {
should.not.exist(err);
should.not.exist(station);
done();
});
});
it('should count all in scope - active', function(done) {
Station.active.count(function(err, count) {
should.not.exist(err);