forked from 1602/compound
/
route_mapper.js
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/
route_mapper.js
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var singularize = require("../vendor/inflection").singularize;
var ActionObserver = require('./action_observer');
exports.Mapper = Mapper;
function Mapper (app) {
var mapper = this, controllers = [], ns = '', glob_path = '/', middleware;
this.namespace = function (name, subroutes) {
// store previous ns
var old_ns = ns, old_glob_path = glob_path;
// add new ns to old (ensure tail slash present)
ns = old_ns + name.replace(/\/$/, '') + '/';
glob_path = old_glob_path + name.replace(/\/$/, '') + '/';
subroutes(mapper);
ns = old_ns;
glob_path = old_glob_path;
};
this.subroutes = function (name, subroutes) {
// store previous ns
var old_glob_path = glob_path;
// add new ns to old (ensure tail slash present)
glob_path = old_glob_path + name.replace(/\/$/, '') + '/';
subroutes(mapper);
glob_path = old_glob_path;
};
this.resources = function (name, params, actions) {
params = params || {};
if (typeof params == 'function') {
actions = params;
}
var action_routes = {}, available_routes =
{ 'index': 'GET /'
, 'create': 'POST /'
, 'new': 'GET /new'
, 'edit': 'GET /:id/edit'
, 'destroy': 'DELETE /:id'
, 'update': 'PUT /:id'
, 'show': 'GET /:id'
};
if (params.only) {
if (typeof params.only == 'string') {
params.only = [params.only];
}
params.only.forEach(function (action) {
if (action in available_routes) {
action_routes[action] = available_routes[action];
}
});
} else if (params.except) {
if (typeof params.except == 'string') {
params.except = [params.except];
}
for (var action in available_routes) {
if (params.except.indexOf(action) == -1) {
action_routes[action] = available_routes[action];
}
}
} else {
for (var action in available_routes) {
action_routes[action] = available_routes[action];
}
}
if (typeof actions == 'function') {
mapper.subroutes(name + '/:' + singularize(name) + '_id', actions);
}
for (var action in action_routes) {
var route = action_routes[action].split(/\s+/);
var method = route[0];
var path = route[1];
if (path == '/') {
path = '.:format?';
} else {
path += '.:format?';
}
var middlewareExcept = params.middlewareExcept, skipMiddleware = false;
if (middlewareExcept) {
if (typeof middlewareExcept == 'string') {
middlewareExcept = [middlewareExcept];
}
middlewareExcept.forEach(function (a) {
if (a == action) {
skipMiddleware = true;
}
});
}
mapper[method.toLowerCase()].call(mapper, name + path, name + '#' + action, skipMiddleware ? [] : params.middleware);
}
//Pcreate_routes(app, glob_path, name, ns + name, action_routes, params.middleware);
};
['get', 'post', 'put', 'delete'].forEach(function (method) {
mapper[method] = function (subpath, controller_action, before_filter) {
var controller = controller_action.split('#')[0],
action = controller_action.split('#')[1], path, observer;
if (typeof subpath === 'string') {
path = glob_path + subpath.replace(/^\/|\/$/, '');
observer = ActionObserver.get(path, controller, ns + controller);
} else {
path = subpath;
observer = ActionObserver.get(subpath.toString(), controller, ns + controller);
}
var args = [path];
if (before_filter) {
args = args.concat(before_filter);
}
args = args.concat(observer.calling(action) || function (req, res) {
res.send('Unknown action ' + action + ' for controller ' + controller);
});
observer.dump.push({
helper: ActionObserver.calc_helper_name(path, action),
method: method,
path: path,
file: ns + controller,
name: controller,
action: action
});
observer.add_path(path, action);
app[method].apply(app, args);
};
});
mapper.dump = function () {
var result = [];
for (var key in ActionObserver.get) {
ActionObserver.get[key].dump.forEach(function (data) {
result.push(data);
});
}
return result;
};
}
Mapper.prototype.addRoutes = function addRoutes (path) {
var routes;
var routes = require(path).routes;
if (!routes) {
throw new Error('Routes is not defined in ' + path);
}
return routes(this);
};