factory_example.js

angular.module('suapraia.services', [])

.factory('BalnFact', BalnFact);

function BalnFact($q) {
	var _db;
	var _beaches;
	var _expire_date;

	return {
		initDB: initDB,
		addBeach: addBeach,
		getBeaches: getBeaches
	}

	function initDB() {
		_db = new PouchDB('beaches', {adapter: 'websql'});
	}

	function addBeach(beach) {
		return $q.when(_db.put(beach));
	}

	function getBeaches() {
		if(!_beaches) {
			return $q.when(_db.allDocs({include_docs: true}))
				.then(function(docs) {
					_beaches = docs.rows.map(function(row) {
						return row.doc;
					});
					return _beaches;
				});
		} else {
			return $q.when(_beaches);
		}
	}

	function delBeach(beach) {
		return $q.when(_db.remove(beach));
	}
}