From e44a7e37b6c7b5961adaffc62b9042b8d442938e Mon Sep 17 00:00:00 2001
From: mensonge
Date: Thu, 13 Nov 2008 09:49:11 +0000
Subject: New feature: basic Ajax suggestion for tags and implementation of
 Dojo toolkit

git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f
---
 includes/js/dojox/rpc/CouchDBRestStore.js | 87 +++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 includes/js/dojox/rpc/CouchDBRestStore.js

(limited to 'includes/js/dojox/rpc/CouchDBRestStore.js')

diff --git a/includes/js/dojox/rpc/CouchDBRestStore.js b/includes/js/dojox/rpc/CouchDBRestStore.js
new file mode 100644
index 0000000..f61836c
--- /dev/null
+++ b/includes/js/dojox/rpc/CouchDBRestStore.js
@@ -0,0 +1,87 @@
+if(!dojo._hasResource["dojox.data.CouchDBRestStore"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.data.CouchDBRestStore"] = true;
+dojo.provide("dojox.data.CouchDBRestStore");
+dojo.require("dojox.data.JsonRestStore");
+dojo.require("dojox.json.ref"); // TODO: Make it work without this dependency
+
+// A CouchDBRestStore is an extension of JsonRestStore to handle CouchDB's idiosyncrasies, special features,
+// and deviations from standard HTTP Rest.
+// NOTE: CouchDB is not designed to be run on a public facing network. There is no access control
+// on database documents, and you should NOT rely on client side control to implement security. 
+
+
+dojo.declare("dojox.data.CouchDBRestStore",
+	dojox.data.JsonRestStore,
+	{
+		_commitAppend: function(listId,item) {
+			var deferred = this.service.post(listId,item);
+			var prefix = this.service.serviceName + '/';
+			deferred.addCallback(function(result) {
+				item._id = prefix + result.id; // update the object with the results of the post
+				item._rev = result.rev;
+				return result;
+				//TODO: Need to go down the graph assigned _id based on path, so that sub items can be modified and properly reflected to the root item (being careful of circular references)
+			});
+			return deferred;
+		},
+		fetch: function(args) {
+			// summary:
+			// 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
+			if (typeof args == 'string') {
+				args = {query: '_all_docs?' + args};
+			}
+			else if (typeof args.query == 'string') {
+				args.query = '_all_docs?' + args.query;
+			}
+			else
+				args.query =  '_all_docs?'; 
+			if (args.start) {
+				args.query = (args.query ? (args.query + '&') : '') + 'skip=' + args.start;
+				delete args.start;
+			}
+			if (args.count) {
+				args.query = (args.query ? (args.query + '&') : '') + 'count=' + args.count;
+				delete args.count;   
+			}
+			var prefix = this.service.serviceName + '/';
+			var oldOnComplete = args.onComplete;
+			args.onComplete=function(results) {
+				if (results.rows) {
+					for (var i = 0; i < results.rows.length; i++) {
+						var row = results.rows[i];  // make it into a reference
+						row._id = prefix + (row.$ref = row.id); 
+					}
+				}
+				if (oldOnComplete)
+					oldOnComplete.apply(this,arguments);
+			};
+			return dojox.data.JsonRestStore.prototype.fetch.call(this,args);
+		}
+	}
+);
+ 
+
+dojox.data.CouchDBRestStore.generateSMD = function(couchServerUrl) {
+	var couchSMD = {contentType:"application/json",
+					transport:"REST",
+					envelope:"PATH",
+					services:{},
+					target: couchServerUrl,
+					};
+	var def = dojo.xhrGet({
+		url: couchServerUrl+"_all_dbs",
+		handleAs: "json",
+		sync: true
+	});
+	def.addCallback(function(dbs) {
+		for (var i = 0; i < dbs.length; i++)
+			couchSMD.services[dbs[i]] = {
+							target:dbs[i],
+							returns:{},
+							parameters:[{type:"string"}]
+						} 		
+	});
+	return couchSMD;
+}
+
+}
-- 
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