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136 lines
2.8 KiB
136 lines
2.8 KiB
'use strict';
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/**
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* Module dependencies.
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*/
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var utils = require('./utils');
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/**
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* Expose `ResponseBase`.
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*/
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module.exports = ResponseBase;
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/**
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* Initialize a new `ResponseBase`.
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*
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* @api public
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*/
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function ResponseBase(obj) {
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if (obj) return mixin(obj);
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}
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/**
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* Mixin the prototype properties.
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*
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* @param {Object} obj
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* @return {Object}
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* @api private
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*/
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function mixin(obj) {
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for (var key in ResponseBase.prototype) {
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obj[key] = ResponseBase.prototype[key];
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}
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return obj;
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}
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/**
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* Get case-insensitive `field` value.
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*
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* @param {String} field
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* @return {String}
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* @api public
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*/
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ResponseBase.prototype.get = function(field) {
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return this.header[field.toLowerCase()];
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};
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/**
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* Set header related properties:
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*
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* - `.type` the content type without params
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*
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* A response of "Content-Type: text/plain; charset=utf-8"
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* will provide you with a `.type` of "text/plain".
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*
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* @param {Object} header
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* @api private
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*/
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ResponseBase.prototype._setHeaderProperties = function(header){
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// TODO: moar!
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// TODO: make this a util
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// content-type
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var ct = header['content-type'] || '';
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this.type = utils.type(ct);
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// params
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var params = utils.params(ct);
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for (var key in params) this[key] = params[key];
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this.links = {};
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// links
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try {
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if (header.link) {
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this.links = utils.parseLinks(header.link);
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}
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} catch (err) {
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// ignore
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}
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};
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/**
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* Set flags such as `.ok` based on `status`.
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*
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* For example a 2xx response will give you a `.ok` of __true__
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* whereas 5xx will be __false__ and `.error` will be __true__. The
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* `.clientError` and `.serverError` are also available to be more
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* specific, and `.statusType` is the class of error ranging from 1..5
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* sometimes useful for mapping respond colors etc.
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*
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* "sugar" properties are also defined for common cases. Currently providing:
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*
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* - .noContent
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* - .badRequest
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* - .unauthorized
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* - .notAcceptable
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* - .notFound
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*
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* @param {Number} status
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* @api private
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*/
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ResponseBase.prototype._setStatusProperties = function(status){
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var type = status / 100 | 0;
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// status / class
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this.status = this.statusCode = status;
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this.statusType = type;
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// basics
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this.info = 1 == type;
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this.ok = 2 == type;
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this.redirect = 3 == type;
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this.clientError = 4 == type;
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this.serverError = 5 == type;
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this.error = (4 == type || 5 == type)
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? this.toError()
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: false;
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// sugar
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this.created = 201 == status;
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this.accepted = 202 == status;
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this.noContent = 204 == status;
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this.badRequest = 400 == status;
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this.unauthorized = 401 == status;
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this.notAcceptable = 406 == status;
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this.forbidden = 403 == status;
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this.notFound = 404 == status;
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this.unprocessableEntity = 422 == status;
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};
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