Commit 207682c5 authored by Marco Mariani's avatar Marco Mariani

Merge branch 'querystorage'

parents 4a1655ef b284c4f5
/*jslint indent: 2, maxlen: 80, nomen: true, regexp: true, unparam: true */
/*global define, window, RSVP, jIO, complex_queries */
(function (dependencies, module) {
"use strict";
if (typeof define === 'function' && define.amd) {
return define(dependencies, module);
}
window.query_storage = {};
module(window.query_storage, RSVP, jIO);
}(['exports', 'rsvp', 'jio'], function (exports, RSVP, jIO) {
"use strict";
/**
* The jIO QueryStorage extension
*
* @class QueryStorage
* @constructor
*/
function QueryStorage(spec) {
this._substorage = jIO.createJIO(spec.sub_storage);
this._key_schema = spec.key_schema;
}
/**
* Get a document
* Parameters are passed through to the sub storage.
*
* @method get
* @param {Object} command The JIO command
*/
QueryStorage.prototype.get = function (command) {
var args = [].slice.call(arguments, 1);
this._substorage.get.apply(this._substorage, args).
then(command.success, command.error, command.notify);
};
/**
* Create a document in the sub storage.
* Parameters are passed through to the sub storage.
*
* @method post
* @param {Object} command The JIO command
*/
QueryStorage.prototype.post = function (command) {
var args = [].slice.call(arguments, 1);
this._substorage.post.apply(this._substorage, args).
then(command.success, command.error, command.notify);
};
/**
* Create or update a document in the sub storage.
* Parameters are passed through to the sub storage.
*
* @method put
* @param {Object} command The JIO command
*/
QueryStorage.prototype.put = function (command) {
var args = [].slice.call(arguments, 1);
this._substorage.put.apply(this._substorage, args).
then(command.success, command.error, command.notify);
};
/**
* Remove a document.
* Parameters are passed through to the sub storage.
*
* @method remove
* @param {Object} command The JIO command
*/
QueryStorage.prototype.remove = function (command) {
var args = [].slice.call(arguments, 1);
this._substorage.remove.apply(this._substorage, args).
then(command.success, command.error, command.notify);
};
/**
* Get an attachment.
* Parameters are passed through to the sub storage.
*
* @method getAttachment
* @param {Object} command The JIO command
*/
QueryStorage.prototype.getAttachment = function (command) {
var args = [].slice.call(arguments, 1);
this._substorage.getAttachment.apply(this._substorage, args).
then(command.success, command.error, command.notify);
};
/**
* Add an attachment to a document.
* Parameters are passed through to the sub storage.
*
* @method putAttachment
* @param {Object} command The JIO command
*/
QueryStorage.prototype.putAttachment = function (command) {
var args = [].slice.call(arguments, 1);
this._substorage.putAttachment.apply(this._substorage, args).
then(command.success, command.error, command.notify);
};
/**
* Remove an attachment.
* Parameters are passed through to the sub storage.
*
* @method removeAttachment
* @param {Object} command The JIO command
*/
QueryStorage.prototype.removeAttachment = function (command) {
var args = [].slice.call(arguments, 1);
this._substorage.removeAttachment.apply(this._substorage, args).
then(command.success, command.error, command.notify);
};
/**
* Retrieve documents.
* This method performs an .allDocs() call on the substorage,
* retrieving everything, then runs a complex query on the result.
*
* @method allDocs
* @param {Object} command The given parameters
* @param {Object} options The command options
*/
QueryStorage.prototype.allDocs = function (command, param, options) {
var that = this,
// we need the full documents in order to perform the query, will
// remove them later if they were not required.
include_docs = (options.include_docs || options.query) ? true : false;
this._substorage.allDocs({include_docs: include_docs}).
then(function (response) {
if (options.query) {
var docs = response.data.rows.map(function (row) {
return row.doc;
}), rows_map = {};
// build a mapping to avoid slowness
response.data.rows.forEach(function (row) {
rows_map[row.id] = row;
});
return complex_queries.QueryFactory.create(options.query,
that._key_schema).
exec(docs, options).
then(function (filtered_docs) {
// reconstruct filtered rows, preserving the order from docs
var rows = filtered_docs.map(function (doc) {
var row = rows_map[doc._id];
// remove docs if not needed in the original call
if (!options.include_docs) {
delete row.doc;
}
return row;
});
response.data.rows = rows;
response.data.total_rows = rows.length;
return response;
});
}
return RSVP.resolve(response);
}).
then(command.success, command.error, command.notify);
};
jIO.addStorage('query', QueryStorage);
}));
This diff is collapsed.
......@@ -50,5 +50,8 @@
<script src="../src/jio.storage/splitstorage.js"></script>
<script src="../test/jio.storage/splitstorage.tests.js"></script>
<script src="../src/jio.storage/querystorage.js"></script>
<script src="../test/jio.storage/querystorage.tests.js"></script>
</body>
</html>
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