var QueryCallbacks = function (options) {
if (utils.isString(options)) {
options = { then: options };
} else {
options = options || {};
}
this.callbacks = {};
if (options.err) this.callbacks.err = options.err;
if (options.none) this.callbacks.none = options.none;
if (options.then) this.callbacks.then = options.then;
return this;
};
exports.set = function(key, value) {
if (arguments.length === 1) {
return this._options[key];
}
switch (key) {
// handle special settings
case 'cloudinary config':
if (_.isString(value)) {
var parts = url.parse(value, true);
var auth = parts.auth ? parts.auth.split(':') : [];
value = {
cloud_name: parts.host,
api_key: auth[0],
api_secret: auth[1],
private_cdn: parts.pathname != null,
secure_distribution: parts.pathname && parts.pathname.substring(1)
};
}
if (_.isObject(value)) {
cloudinary.config(value);
}
value = cloudinary.config();
break;
case 'auth':
if (value === true && !this.get('session')) {
debug('setting session for auth');
this.set('session', true);
}
break;
case 'nav':
debug('setting nav');
this.nav = this.initNav(value);
break;
case 'mongo':
if ('string' !== typeof value) {
if (Array.isArray(value) && (value.length === 2 || value.length === 3)) {
console.log('\nWarning: using an array for the `mongo` option has been deprecated.\nPlease use a mongodb connection string, e.g. mongodb://localhost/db_name instead.\n\n' +
'Support for arrays as the `mongo` setting will be removed in a future version.');
value = (value.length === 2) ? 'mongodb://' + value[0] + '/' + value[1] : 'mongodb://' + value[0] + ':' + value[2] + '/' + value[1];
} else {
console.error('\nInvalid Configuration:\nThe `mongo` option must be a mongodb connection string, e.g. mongodb://localhost/db_name\n');
process.exit(1);
}
}
break;
case 'module root':
// if relative path is used, resolve it based on the caller's path
if (!isAbsolutePath(value)) {
var caller = callerId.getData();
value = path.resolve(path.dirname(caller.filePath), value);
}
break;
case 'app':
this.app = value;
break;
case 'mongoose':
this.mongoose = value;
break;
case 'frame guard':
var validFrameGuardOptions = ['deny', 'sameorigin'];
if (value === true) {
value = 'deny';
}
if (utils.isString(value)) {
value = value.toLowerCase();
if (validFrameGuardOptions.indexOf(value) < 0) {
value = false;
}
} else if ('boolean' !== typeof value) {
value = false;
}
break;
}
this._options[key] = value;
return this;
};
View.prototype.on = function (on) {
var req = this.req;
var callback = arguments[1];
if (typeof on === 'function') {
/* If the first argument is a function that returns truthy then add the second
* argument to the action queue
*
* Example:
*
* view.on(function() {
* var thing = true;
* return thing;
* },
* function(next) {
* console.log('thing is true!');
* next();
* }
* );
*/
if (on()) {
this.actionQueue.push(callback);
}
} else if (utils.isObject(on)) {
/* Do certain actions depending on information in the response object.
*
* Example:
*
* view.on({ 'user.name.first': 'Admin' }, function(next) {
* console.log('Hello Admin!');
* next();
* });
*/
var check = function (value, path) {
var ctx = req;
var parts = path.split('.');
for (var i = 0; i < parts.length - 1; i++) {
if (!ctx[parts[i]]) {
return false;
}
ctx = ctx[parts[i]];
}
path = _.last(parts);
return (value === true && path in ctx) ? true : (ctx[path] === value);
};
if (_.every(on, check)) {
this.actionQueue.push(callback);
}
} else if (on === 'get' || on === 'post' || on === 'put' || on === 'delete') {
/* Handle HTTP verbs
*
* Example:
* view.on('get', function(next) {
* console.log('GOT!');
* next();
* });
*/
if (req.method !== on.toUpperCase()) {
return this;
}
if (arguments.length === 3) {
/* on a POST and PUT requests search the req.body for a matching value
* on every other request search the query.
*
* Example:
* view.on('post', { action: 'theAction' }, function(next) {
* // respond to the action
* next();
* });
*
* Example:
* view.on('get', { page: 2 }, function(next) {
* // do something specifically on ?page=2
* next();
* });
*/
callback = arguments[2];
var values = {};
if (utils.isString(arguments[1])) {
values[arguments[1]] = true;
} else {
values = arguments[1];
}
var ctx = (on === 'post' || on === 'put') ? req.body : req.query;
if (!_.every(values || {}, function (value, path) {
return (value === true && path in ctx) ? true : (ctx[path] === value);
})) {
return this;
}
}
this.actionQueue.push(callback);
} else if (on === 'init') {
/* Init events are always fired in series, before any other actions
*
* Example:
* view.on('init', function (next) {
* // do something before any actions or queries have run
* });
*/
this.initQueue.push(callback);
} else if (on === 'render') {
/* Render events are always fired last in parallel, after any other actions
*
* Example:
* view.on('render', function (next) {
* // do something after init, action and query middleware has run
* });
*/
this.renderQueue.push(callback);
}
// TODO: Should throw if we didn't recognise the first argument!
return this;
};
View.prototype.on = function(on) {
var req = this.req,
callback = arguments[1],
values;
if ('function' == typeof on) {
if (on()) {
this.actionQueue.push(callback);
}
} else if (utils.isObject(on)) {
var check = function(value, path) {
var ctx = req,
parts = path.split('.');
for (var i = 0; i < parts.length - 1; i++) {
if (!ctx[parts[i]]) {
return false;
}
ctx = ctx[parts[i]];
}
return (value === true && path in ctx) ? true : (ctx[path] == value);
}
if (_.every(on, check)) {
this.actionQueue.push(callback);
}
} else if (on == 'post' || on == 'get') {
if (req.method != on.toUpperCase()) {
return;
}
if (arguments.length == 3) {
if (utils.isString(callback)) {
values = {};
values[callback] = true;
} else {
values = callback;
}
callback = arguments[2];
var ctx = (on == 'post') ? req.body : req.query;
if (_.every(values || {}, function(value, path) {
return (value === true && path in ctx) ? true : (ctx[path] == value);
})) {
this.actionQueue.push(callback);
}
} else {
this.actionQueue.push(callback);
}
} else if (on == 'init') {
this.initQueue.push(callback);
} else if (on == 'render') {
this.renderQueue.push(callback);
}
return this;
}