From 02b7f707ffe050a9559e0f8a37c0f07cc80832aa Mon Sep 17 00:00:00 2001
From: Anatoliy Chakkaev <anatoliy.chakkaev@flatsoft.com>
Date: Sun, 20 Jan 2013 23:05:45 +0700
Subject: [PATCH] Added http (WebService) adapter

---
 lib/adapters/http.js | 120 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 120 insertions(+)
 create mode 100644 lib/adapters/http.js

diff --git a/lib/adapters/http.js b/lib/adapters/http.js
new file mode 100644
index 00000000..4d5856f8
--- /dev/null
+++ b/lib/adapters/http.js
@@ -0,0 +1,120 @@
+exports.initialize = function initializeSchema(schema, callback) {
+    schema.adapter = new WebService();
+    process.nextTick(callback);
+};
+
+function WebService() {
+    this._models = {};
+    this.cache = {};
+    this.ids = {};
+}
+
+WebService.prototype.define = function defineModel(descr) {
+    var m = descr.model.modelName;
+    this._models[m] = descr;
+};
+
+WebService.prototype.getResourceUrl = function getResourceUrl(model) {
+    return this._models[model].settings.restPath;
+};
+
+WebService.prototype.getBlankReq = function () {
+    if (!this.csrfToken) {
+        this.csrfToken = $('meta[name=csrf-token]').attr('content');
+        this.csrfParam = $('meta[name=csrf-param]').attr('content');
+    }
+    var req = {};
+    req[this.csrfParam] = this.csrfToken;
+    return req;
+}
+
+WebService.prototype.create = function create(model, data, callback) {
+    var req = this.getBlankReq();
+    req[model] = data;
+    $.post(this.getResourceUrl(model) + '.json', req, function (res) {
+        if (res.code === 200) {
+            callback(null, res.data.id);
+        } else {
+            callback(res.error);
+        }
+    }, 'json');
+    // this.cache[model][id] = data;
+};
+
+WebService.prototype.updateOrCreate = function (model, data, callback) {
+    var mem = this;
+    this.exists(model, data.id, function (err, exists) {
+        if (exists) {
+            mem.save(model, data, callback);
+        } else {
+            mem.create(model, data, function (err, id) {
+                data.id = id;
+                callback(err, data);
+            });
+        }
+    });
+};
+
+WebService.prototype.save = function save(model, data, callback) {
+    var req = this.getBlankReq();
+    req._method = 'PUT';
+    req[model] = data;
+    $.post(this.getResourceUrl(model) + '/' + data.id + '.json', req, function (res) {
+        if (res.code === 200) {
+            callback(null, res.data);
+        } else {
+            callback(res.error);
+        }
+    }, 'json');
+};
+
+WebService.prototype.exists = function exists(model, id, callback) {
+    $.getJSON(this.getResourceUrl(model) + '/' + id + '.json', function (res) {
+        if (res.code === 200) {
+            callback(null, true);
+        } else if (res.code === 404) {
+            callback(null, false);
+        } else {
+            callback(res.error);
+        }
+    });
+};
+
+WebService.prototype.find = function find(model, id, callback) {
+    $.getJSON(this.getResourceUrl(model) + '/' + id + '.json', function (res) {
+        if (res.code === 200) {
+            callback(null, res.data);
+        } else {
+            callback(res.error);
+        }
+    });
+};
+
+WebService.prototype.destroy = function destroy(model, id, callback) {
+    delete this.cache[model][id];
+    callback();
+};
+
+WebService.prototype.all = function all(model, filter, callback) {
+    $.getJSON(this.getResourceUrl(model) + '.json?query=' + JSON.stringify(filter), function (res) {
+        if (res.code === 200) {
+            callback(null, res.data);
+        } else {
+            callback(res.error);
+        }
+    });
+};
+
+WebService.prototype.destroyAll = function destroyAll(model, callback) {
+    throw new Error('Not supported');
+};
+
+WebService.prototype.count = function count(model, callback, where) {
+    throw new Error('Not supported');
+};
+
+WebService.prototype.updateAttributes = function (model, id, data, callback) {
+    data.id = id;
+    this.save(model, data, callback);
+};
+