db.getView(view, req.query, function (err, data) {
var current_req = (utils.currentRequest() || {});
if (current_req.uuid === req.uuid) {
if (err) {
return callback(err);
}
getRow = function () {
return data.rows.shift();
};
start = function (res) {
//console.log('start');
//console.log(res);
exports.handleResponse(req, res);
};
var head = exports.createHead(data);
var res = exports.runList(fn, head, req);
events.emit('afterResponse', info, req, res);
if (res) {
exports.handleResponse(req, res);
}
else {
// returned without response, meaning cookies won't be set
// by handleResponseHeaders
if (flashmessages && req.outgoing_flash_messages) {
flashmessages.setCookieBrowser(
req, req.outgoing_flash_messages
);
}
}
getRow = function () {
return null;
};
callback();
}
});
db.getDoc(docid, req.query, function (err, doc) {
var current_req = (utils.currentRequest() || {});
if (current_req.uuid === req.uuid) {
if (err) {
return callback(err);
}
exports.runUpdate(fn, doc, req, function (err, res) {
if (err) {
events.emit('updateFailure', err, info, req, res, doc);
return callback(err);
}
events.emit('afterResponse', info, req, res);
if (res) {
exports.handleResponse(req, res[1]);
}
else {
// returned without response, meaning cookies won't be
// set by handleResponseHeaders
if (flashmessages && req.outgoing_flash_messages) {
flashmessages.setCookieBrowser(
req, req.outgoing_flash_messages
);
}
}
callback();
});
}
});
exports.runShow = function (fn, doc, req) {
if (flashmessages) {
req = flashmessages.updateRequest(req);
}
utils.currentRequest(req);
var info = {
type: 'show',
name: req.path[1],
target: req.path[2],
query: req.query,
fn: fn
};
events.emit('beforeRequest', info, req);
var res = fn(doc, req);
if (!(res instanceof Object)) {
res = {code: 200, body: res};
}
else {
res = exports.parseResponse(req, res);
}
events.emit('beforeResponseStart', info, req, res);
events.emit('beforeResponseData', info, req, res, res.body || '');
if (flashmessages) {
res = flashmessages.updateResponse(req, res);
}
req.response_received = true;
return res;
};
exports.runList = function (fn, head, req) {
if (flashmessages) {
req = flashmessages.updateRequest(req);
}
utils.currentRequest(req);
var info = {
type: 'list',
name: req.path[1],
target: req.path[2],
query: req.query,
fn: fn
};
// cache response from start call
var start_res;
var _start = start;
start = function (res) {
start_res = res;
events.emit('beforeResponseStart', info, req, res);
if (res.body) {
events.emit('beforeResponseData', info, req, res, res.body);
}
if (flashmessages) {
res = flashmessages.updateResponse(req, res);
}
_start(res);
};
var _send = send;
send = function (data) {
if (!start_res.body) {
start_res.body = '';
}
// TODO: does it make sense to store data here and use up memory
// on the server?
start_res.body += data;
events.emit('beforeResponseData', info, req, start_res, data);
_send(data);
};
events.emit('beforeRequest', info, req);
var val = fn(head, req);
if (val instanceof Object) {
val = exports.parseResponse(req, val).body;
}
if (!start_res) {
start_res = {code: 200, body: val};
events.emit('beforeResponseStart', info, req, start_res);
events.emit('beforeResponseData', info, req, start_res, val);
start = _start;
send = _send;
}
else {
start_res.body = start_res.body ? start_res.body + val: val;
events.emit('beforeResponseData', info, req, start_res, val);
}
start = _start;
send = _send;
req.response_received = true;
return val;
};
exports.runUpdate = function (fn, doc, req, cb) {
if (flashmessages) {
req = flashmessages.updateRequest(req);
}
utils.currentRequest(req);
var info = {
type: 'update',
name: req.path[1],
target: req.path[2],
query: req.query,
fn: fn
};
events.emit('beforeRequest', info, req);
var val = fn(doc, req);
var res = val ? val[1]: null;
if (!(res instanceof Object)) {
res = {code: 200, body: res};
}
else {
res = exports.parseResponse(req, res);
}
events.emit('beforeResponseStart', info, req, res);
events.emit('beforeResponseData', info, req, res, res.body || '');
if (flashmessages) {
res = flashmessages.updateResponse(req, res);
}
var r = [val ? val[0]: null, res];
if (req.client && r[0]) {
db.saveDoc(r[0], function (err, res) {
if (err) {
return cb(err);
}
req.response_received = true;
cb(null, r);
});
}
else {
req.response_received = true;
cb(null, r);
}
};
exports.createRequest(method, url, data, match, function (err, req) {
if (err) {
throw err;
}
//console.log(req);
var msg = method + ' ' + url + ' -> ' +
JSON.stringify(req.path.join('/')) + ' ' +
JSON.stringify(req.query);
if (data) {
msg += ' data: ' + JSON.stringify(data);
}
console.log(msg);
utils.currentRequest(req);
var after = function () {
if (parsed.hash) {
// we have to handle in-page anchors manually because we've
// hijacked the hash part of the url
// TODO: don't re-handle the page if only the hash has
// changed
// test if a valid element name or id
if (/#[A-Za-z_\-:\.]+/.test(parsed.hash)) {
var el = $(parsed.hash);
if (el.length) {
window.scrollTo(0, el.offset().top);
}
}
else if (parsed.hash === '#') {
// scroll to top of page
window.scrollTo(0, 0);
}
// TODO: handle invalid values?
}
};
var src, fn, name;
if (req.path[0] === '_show') {
exports.runShowBrowser(
req, req.path[1], req.path.slice(2).join('/'), after
);
}
else if (req.path[0] === '_list') {
exports.runListBrowser(
req, req.path[1], req.path.slice(2).join('/'), after
);
}
else if (req.path[0] === '_update') {
exports.runUpdateBrowser(
req, req.path[1], req.path.slice(2).join('/'), after
);
}
else {
console.log('Unknown rewrite target: ' + req.path.join('/'));
var newurl = exports.getBaseURL() + '/_db/_design/' +
settings.name + '/' + req.path.join('/');
console.log('redirecting to: ' + newurl);
window.location = newurl;
}
});