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Commit 041d2b00 authored by Tristan Cavelier's avatar Tristan Cavelier
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Allow to extend ERP5Storage

parent a711db81
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Showing with 208 additions and 86 deletions
src/jio.storage/erp5storage.js
View file @ 041d2b00
......@@ -10,26 +10,154 @@
// }
/*jslint indent: 2, nomen: true, unparam: true */
/*global jIO, console, UriTemplate, FormData, RSVP, URI,
/*global jIO, UriTemplate, FormData, RSVP, URI, DOMParser, Blob,
ProgressEvent, define */
(function (dependencies, module) {
(function (root, dependencies, module) {
"use strict";
if (typeof define === 'function' && define.amd) {
return define(dependencies, module);
}
module(RSVP, jIO, URI);
}([
'rsvp',
'jio',
'uri'
], function (RSVP, jIO, URI) {
var namespace = module(RSVP, jIO, URI);
if (namespace !== undefined) { root.ERP5Storage = namespace; }
}(this, ["rsvp", "jio", "uri"], function (RSVP, jIO, URI) {
"use strict";
var hasOwnProperty = Function.prototype.call.bind(
Object.prototype.hasOwnProperty
), constant = {};
constant.method_notification_message_obj = {
"get": "Getting document.",
"post": "Posting document.",
"put": "Putting document.",
"remove": "Removing document.",
"getAttachment": "Getting attachment.",
"putAttachment": "Putting attachment.",
"removeAttacment": "Removing attachment.",
"allDocs": "Getting document list."
};
// XXX docstring
function formatGetSuccessAnswer(answer) {
if (!answer) { return answer; }
var result;
if (typeof answer.data === "object" && answer.data) {
return answer;
}
if (answer.target &&
typeof answer.target.status === "number" &&
typeof answer.target.statusText === "string") {
result = {
"status": answer.target.status
};
if (typeof answer.target.response === "object" &&
answer.target.response !== null) {
if (typeof answer.target.response.toJSON === "function") {
result.data = answer.target.response.toJSON();
} else {
result.data = answer.target.response;
}
} else if (answer.target.response instanceof Blob) {
return jIO.util.readBlobAsText(answer.target.response).
then(function (text) {
result.data = JSON.parse(text);
return result;
}, null, function () {
throw null; // dont propagate blob notifications
});
}
return result;
}
return answer;
}
// XXX docstring
function formatUpdateSuccessAnswer(answer) {
if (!answer) { return; }
var result;
if (answer.target &&
typeof answer.target.status === "number" &&
typeof answer.target.statusText === "string") {
result = {
"status": answer.target.status
};
return result;
}
return answer;
}
// XXX docstring
function formatErrorAnswer(answer) {
if (!answer) { return; }
var result, dom;
if (answer.target &&
typeof answer.target.status === "number" &&
typeof answer.target.statusText === "string") {
// seams to be a ProgressEvent
result = {
"status": answer.target.status
};
if (typeof answer.target.response === "object" &&
answer.target.response !== null) {
if (typeof answer.target.response.toJSON === "function") {
result.data = answer.target.response.toJSON();
} else {
result.data = answer.target.response;
}
} else if (typeof answer.target.responseText === "string") {
dom = new DOMParser().parseFromString(
"<stubelementjusttocreateafirstelementchildattributetodom>" +
answer.target.responseText +
"</stubelementjusttocreateafirstelementchildattributetodom>",
"text/xml"
);
result.message = dom.firstElementChild.textContent;
if (!result.message) { delete result.message; }
}
throw result;
}
throw answer;
}
// XXX docstring
function formatNotification(method, notif) {
var result;
if (notif) {
if (typeof notif.loaded === "number" &&
typeof notif.total === "number") {
result = {};
// can be a ProgressEvent or a jIO notification
if (notif.method !== method) {
result = {
"method": method,
"loaded": notif.loaded,
"total": notif.total
};
if (typeof notif.percentage === "number") {
result.percentage = notif.percentage;
}
}
if (typeof notif.message === "string") {
result.message = notif.message;
} else {
result.message = constant.method_notification_message_obj[method];
}
return result;
}
}
throw null; // stop propagation
}
constant.formatSuccessAnswerFor = {
"post": formatUpdateSuccessAnswer,
"put": formatUpdateSuccessAnswer,
"get": formatGetSuccessAnswer
};
//////////////////////////////////////////////////////////////////////
// XXX docstring
function ERP5Storage(spec) {
if (typeof spec.url !== "string" || !spec.url) {
throw new TypeError("ERP5 'url' must be a string " +
......@@ -38,27 +166,71 @@
this._url = spec.url;
}
ERP5Storage.prototype._getSiteDocument = function () {
// XXX docstring
function methodGenerator(method) {
return function (command, param, options) {
RSVP.resolve().
then(function () {
var view = ERP5Storage.onView[options._view] ||
ERP5Storage.onView.default;
if (typeof view[method] !== "function") {
view = ERP5Storage.onView.default;
}
return view[method].call(this, param, options);
}.bind(this)).
then(constant.formatSuccessAnswerFor[method]).
then(null, formatErrorAnswer, formatNotification.bind(null, method)).
then(command.success, command.error, command.progress);
};
}
// XXX docstring
[
"post",
"put",
"get",
"remove",
"putAttachment",
"getAttachment",
"removeAttachment",
"allDocs",
"check",
"repair"
].forEach(function (method) {
ERP5Storage.prototype[method] = methodGenerator(method);
});
// XXX docstring
function getSiteDocument(url) {
if (typeof url !== "string" &&
typeof (this && this._url) !== "string") {
throw new TypeError("ERP5Storage.getSiteDocument(): Argument 1 `url` " +
"or `this._url` are not of type string.");
}
return jIO.util.ajax({
"type": "GET",
"url": this._url,
"url": url || this._url,
"xhrFields": {
withCredentials: true
}
}).then(function (response) {
return JSON.parse(response.target.responseText);
}).then(function (event) {
return JSON.parse(event.target.responseText);
});
};
}
ERP5Storage.getSiteDocument = getSiteDocument;
ERP5Storage.prototype._get = function (param, options) {
return this._getSiteDocument()
.then(function (site_hal) {
ERP5Storage.onView = {};
ERP5Storage.onView.default = {};
// XXX docstring
function onViewDefaultGet(param) {
return getSiteDocument(this._url).
then(function (site_hal) {
return jIO.util.ajax({
"type": "GET",
"url": UriTemplate.parse(site_hal._links.traverse.href)
.expand({
relative_url: param._id,
view: options._view
view: "metadata"
}),
"xhrFields": {
withCredentials: true
......@@ -68,32 +240,16 @@
.then(function (response) {
var result = JSON.parse(response.target.responseText);
result._id = param._id;
return result;
return {"data": result};
});
};
ERP5Storage.prototype.get = function (command, param, options) {
this._get(param, options)
.then(function (response) {
command.success({"data": response});
})
.fail(function (event) {
console.error(event);
if (event instanceof ProgressEvent) {
command.error(
event.target.status,
event.target.statusText,
"Cannot find document"
);
}
// XXX How to propagate the error
command.error(event);
});
};
ERP5Storage.onView.default.get = onViewDefaultGet;
ERP5Storage.prototype.post = function (command, metadata, options) {
return this._getSiteDocument()
// XXX docstring
ERP5Storage.onView.default.post = function (metadata, options) {
return getSiteDocument(this._url)
.then(function (site_hal) {
/*jslint forin: true */
var post_action = site_hal._actions.add,
data = new FormData(),
key;
......@@ -115,23 +271,15 @@
}).then(function (doc) {
// XXX Really depend on server response...
var uri = new URI(doc.target.getResponseHeader("X-Location"));
command.success({"id": uri.segment(2)});
}).fail(function (event) {
console.error(event);
if (event instanceof ProgressEvent) {
return command.error(
event.target.status,
event.target.statusText,
"Unable to post doc"
);
}
command.error(event);
return {"id": uri.segment(2)};
});
};
ERP5Storage.prototype.put = function (command, metadata, options) {
return this._get(metadata, options)
// XXX docstring
ERP5Storage.onView.default.put = function (command, metadata, options) {
return onViewDefaultGet.call(this, metadata, options)
.then(function (result) {
/*jslint forin: true */
var put_action = result._embedded._view._actions.put,
renderer_form = result._embedded._view,
data = new FormData(),
......@@ -158,31 +306,16 @@
withCredentials: true
}
});
})
.then(function (result) {
command.success(result);
})
.fail(function (event) {
console.error(event);
if (event instanceof ProgressEvent) {
return command.error(
event.target.status,
event.target.statusText,
"Unable to call put"
);
}
command.error(event);
});
};
ERP5Storage.prototype.allDocs = function (command, param, options) {
ERP5Storage.onView.default.allDocs = function (command, param, options) {
if (typeof options.query !== "string") {
options.query = (options.query ?
jIO.Query.objectToSearchText(options.query) :
undefined);
}
return this._getSiteDocument()
return getSiteDocument(this._url)
.then(function (site_hal) {
return jIO.util.ajax({
"type": "GET",
......@@ -227,24 +360,13 @@
return RSVP.all(promise_list);
})
.then(function (promise_list) {
var result = promise_list[0],
count = result.length;
command.success({"data": {"rows": result, "total_rows": count}});
})
.fail(function (event) {
console.error(event);
if (event instanceof ProgressEvent) {
return command.error(
event.target.status,
event.target.statusText,
"Cannot get list of document"
);
}
command.error(event);
var result = promise_list[0];
return {"data": {"rows": result, "total_rows": result.length}};
});
};
jIO.addStorage("erp5", ERP5Storage);
return ERP5Storage;
}));
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