86 lines
2.6 KiB
JavaScript
86 lines
2.6 KiB
JavaScript
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dojo.provide("dojox.data.CouchDBRestStore");
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dojo.require("dojox.data.JsonRestStore");
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// A CouchDBRestStore is an extension of JsonRestStore to handle CouchDB's idiosyncrasies, special features,
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// and deviations from standard HTTP Rest.
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// NOTE: CouchDB is not designed to be run on a public facing network. There is no access control
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// on database documents, and you should NOT rely on client side control to implement security.
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dojo.declare("dojox.data.CouchDBRestStore",
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dojox.data.JsonRestStore,
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{
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save: function(kwArgs) {
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var actions = this.inherited(arguments); // do the default save and then update for version numbers
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var prefix = this.service.servicePath;
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for(var i = 0; i < actions.length; i++){
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// need to update the item's version number after it has been committed
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(function(item,dfd){
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dfd.addCallback(function(result){
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if(result){
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item.__id = prefix + result.id; // update the object with the results of the post
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item._rev = result.rev;
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}
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return result;
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});
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})(actions[i].content,actions[i].deferred);
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}
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},
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fetch: function(args){
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// summary:
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// This only differs from JsonRestStore in that it, will put the query string the query part of the URL and it handles start and count
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args.query = args.query || '_all_docs?';
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if(args.start){
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args.query = (args.query ? (args.query + '&') : '') + 'startkey=' + args.start;
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delete args.start;
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}
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if(args.count){
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args.query = (args.query ? (args.query + '&') : '') + 'count=' + args.count;
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delete args.count;
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}
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return this.inherited(arguments);
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},
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_processResults: function(results){
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var rows = results.rows;
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if(rows){
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var prefix = this.service.servicePath;
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var self = this;
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for(var i = 0; i < rows.length;i++){
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rows[i] = {
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__id: prefix + rows[i].id,
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_id: rows[i].id,
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_loadObject: function(callback){
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self.fetchItemByIdentity({
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identity: this._id,
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onItem: callback
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});
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delete this._loadObject;
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}
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};
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}
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return {totalCount:results.total_rows, items:results.rows};
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}else{
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return {items:results};
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}
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}
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}
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);
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// create a set of stores
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dojox.data.CouchDBRestStore.getStores = function(couchServerUrl){
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var dfd = dojo.xhrGet({
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url: couchServerUrl+"_all_dbs",
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handleAs: "json",
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sync: true
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});
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var stores = {};
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dfd.addBoth(function(dbs){
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for(var i = 0; i < dbs.length; i++){
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stores[dbs[i]] = new dojox.data.CouchDBRestStore({target:couchServerUrl + dbs[i],idAttribute:"_id"});
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}
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return stores;
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});
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return stores;
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};
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