1 /* ---------------------------------------------------------------------------
2 * Copyright (C) 2008 Equinox Software, Inc
3 * Mike Rylander <miker@esilibrary.com>
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 * ---------------------------------------------------------------------------
17 if(!dojo._hasResource["openils.PermaCrud"]) {
19 dojo._hasResource["openils.PermaCrud"] = true;
20 dojo.provide("openils.PermaCrud");
21 dojo.require("fieldmapper.Fieldmapper");
22 dojo.require("openils.User");
24 dojo.declare('openils.PermaCrud', null, {
30 constructor : function ( kwargs ) {
31 kwargs = kwargs || {};
33 this.authtoken = kwargs.authtoken;
37 new OpenSRF.ClientSession('open-ils.pcrud');
41 this.session.state == OSRF_APP_SESSION_CONNECTED
42 ) this.connected = true;
45 auth : function (token) {
46 if (token) this.authtoken = token;
47 return this.authtoken || openils.User.authtoken;
50 connect : function ( onerror ) {
51 if (!this.connected && !this.session.connect()) {
52 this.connected = false;
53 if (onerror) onerror(this.session);
56 this.connected = true;
60 disconnect : function ( onerror ) {
61 this.connected = false;
63 // disconnect returns nothing, which is null, which is not true, cause the following to always run ... arg.
64 if (!this.session.disconnect()) {
65 if (onerror) onerror(this.session);
71 retrieve : function ( fm_class /* Fieldmapper class hint */, id /* Fieldmapper object primary key value */, opts /* Option hash */) {
73 var req_hash = dojo.mixin(
75 { method : 'open-ils.pcrud.retrieve.' + fm_class,
76 params : [ this.auth(), id ]
80 if (!opts.async && !opts.timeout) req_hash.timeout = 10;
83 var req = this.session.request( req_hash );
86 req.onerror = function (r) { throw js2JSON(r); };
88 // if it's an async call and the user does not care about
89 // the responses, pull them off the network and discard them
90 if (!req_hash.timeout && !req.oncomplete)
91 req.oncomplete = function (r) { while(r.recv()){}; };
95 // for synchronous calls with no handlers, return the first received value
96 if (req_hash.timeout && !opts.oncomplete && !opts.onresponse) {
97 var resp = req.recv();
98 if(resp) return resp.content();
105 retrieveAll : function ( fm_class /* Fieldmapper class hint */, opts /* Option hash */) {
106 var pkey = fieldmapper[fm_class].Identifier;
110 if (opts.order_by) order_by.order_by = opts.order_by;
111 if (opts.select) order_by.select = opts.select;
113 var method = 'open-ils.pcrud.search.' + fm_class;
114 if(!opts.streaming) method += '.atomic';
117 search[pkey] = { '!=' : null };
119 var req_hash = dojo.mixin(
122 params : [ this.auth(), search, order_by ]
126 if (!opts.async && !opts.timeout) req_hash.timeout = 10;
129 var req = this.session.request( req_hash );
132 req.onerror = function (r) { throw js2JSON(r); };
134 // if it's an async call and the user does not care about
135 // the responses, pull them off the network and discard them
136 if (!req_hash.timeout && !req.oncomplete)
137 req.oncomplete = function (r) { while(r.recv()){}; };
141 // for synchronous calls with no handlers, return the first received value
142 if (req_hash.timeout && !opts.oncomplete && !opts.onresponse) {
143 var resp = req.recv();
144 if(resp) return resp.content();
151 search : function ( fm_class /* Fieldmapper class hint */, search /* Fieldmapper query object */, opts /* Option hash */) {
154 if (opts.order_by) order_by.order_by = opts.order_by;
155 if (opts.select) order_by.select = opts.select;
157 var method = 'open-ils.pcrud.search.' + fm_class;
158 if(!opts.streaming) method += '.atomic';
160 var req_hash = dojo.mixin(
163 params : [ this.auth(), search, order_by ]
167 if (!opts.async && !opts.timeout) req_hash.timeout = 10;
170 var req = this.session.request( req_hash );
173 req.onerror = function (r) { throw js2JSON(r); };
175 // if it's an async call and the user does not care about
176 // the responses, pull them off the network and discard them
177 if (!req_hash.timeout && !req.oncomplete)
178 req.oncomplete = function (r) { while(r.recv()){}; };
182 // for synchronous calls with no handlers, return the first received value
183 if (req_hash.timeout && !opts.oncomplete && !opts.onresponse) {
184 var resp = req.recv();
185 if(resp) return resp.content();
192 _CUD : function ( method /* 'create' or 'update' or 'delete' */, list /* Fieldmapper object */, opts /* Option hash */) {
195 if (dojo.isArray(list)) {
196 if (list.classname) list = [ list ];
201 if (!this.connected) this.connect();
205 function _CUD_recursive ( obj_list, pos, final_complete, final_error ) {
206 var obj = obj_list[pos];
208 method : 'open-ils.pcrud.' + method + '.' + obj.classname,
209 params : [ _pcrud.auth(), obj ],
210 onerror : final_error || function (r) { _pcrud.disconnect(); throw '_CUD: Error creating, deleting or updating ' + js2JSON(obj); }
213 var req = _pcrud.session.request( req_hash );
214 req._final_complete = final_complete;
215 req._final_error = final_error;
217 if (++pos == obj_list.length) {
218 req.oncomplete = function (r) {
220 _pcrud.session.request({
221 method : 'open-ils.pcrud.transaction.commit',
223 params : [ _pcrud.auth() ],
224 onerror : function (r) {
226 throw 'Transaction commit error';
228 oncomplete : function (r) {
230 if ( res && res.content() ) {
231 if(req._final_complete)
232 req._final_complete(req);
236 throw 'Transaction commit error';
242 req.onerror = function (r) {
243 if (r._final_error) r._final_error(r);
249 req._obj_list = obj_list;
250 req.oncomplete = function (r) {
252 if ( res && res.content() ) {
253 _CUD_recursive( r._obj_list, r._pos, r._final_complete );
256 throw '_CUD: Error creating, deleting or updating ' + js2JSON(obj);
264 var f_complete = opts.oncomplete;
265 var f_error = opts.onerror;
267 this.session.request({
268 method : 'open-ils.pcrud.transaction.begin',
270 params : [ _pcrud.auth() ],
271 onerror : function (r) {
273 throw 'Transaction begin error';
275 oncomplete : function (r) {
277 if ( res && res.content() ) {
278 _CUD_recursive( list, 0, f_complete, f_error );
281 throw 'Transaction begin error';
287 create : function ( list, opts ) {
288 this._CUD( 'create', list, opts );
291 update : function ( list, opts ) {
292 this._CUD( 'update', list, opts );
295 delete : function ( list, opts ) {
296 this._CUD( 'delete', list, opts );
300 * 'delete' is a reserved keyword in JavaScript and can't be used
301 * in browsers like IE or Chrome, so we define a safe synonym
303 eliminate: function ( list, opts ) {
304 this._CUD( 'delete', list, opts );
307 apply : function ( list, opts ) {
308 this._auto_CUD( list, opts );
311 _auto_CUD : function ( list /* Fieldmapper object */, opts /* Option hash */) {
315 if (dojo.isArray(list)) {
316 if (list.classname) list = [ list ];
321 if (!this.connected) this.connect();
325 function _auto_CUD_recursive ( obj_list, pos, final_complete, final_error ) {
326 var obj = obj_list[pos];
329 if (obj.ischanged()) method = 'update';
330 if (obj.isnew()) method = 'create';
331 if (obj.isdeleted()) method = 'delete';
332 if (!method) throw 'No action detected';
335 method : 'open-ils.pcrud.' + method + '.' + obj.classname,
337 params : [ _pcrud.auth(), obj ],
338 onerror : final_error || function (r) { _pcrud.disconnect(); throw '_auto_CUD: Error creating, deleting or updating ' + js2JSON(obj); }
341 var req = _pcrud.session.request( req_hash );
342 req._final_complete = final_complete;
343 req._final_error = final_error;
345 if (++pos == obj_list.length) {
346 req.oncomplete = function (r) {
348 _pcrud.session.request({
349 method : 'open-ils.pcrud.transaction.commit',
351 params : [ _pcrud.auth() ],
352 onerror : function (r) {
354 throw 'Transaction commit error';
356 oncomplete : function (r) {
358 if ( res && res.content() ) {
359 _auto_CUD_recursive( list, 0 );
362 throw 'Transaction commit error';
367 if (r._final_complete) r._final_complete(r);
371 req.onerror = function (r) {
372 if (r._final_error) r._final_error(r);
378 req._obj_list = obj_list;
379 req.oncomplete = function (r) {
381 if ( res && res.content() ) {
382 _auto_CUD_recursive( r._obj_list, r._pos, r._final_complete, r._final_error );
385 throw '_auto_CUD: Error creating, deleting or updating ' + js2JSON(obj);
393 var f_complete = opts.oncomplete;
394 var f_error = opts.onerror;
396 this.session.request({
397 method : 'open-ils.pcrud.transaction.begin',
399 params : [ _pcrud.auth() ],
400 onerror : function (r) {
402 throw 'Transaction begin error';
404 oncomplete : function (r) {
406 if ( res && res.content() ) {
407 _auto_CUD_recursive( list, 0, f_complete, f_error );
410 throw 'Transaction begin error';