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Merge pull request #5983 from vdemedes/pipeline-themes

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Refactor themes endpoint with pipeline utility
This commit is contained in:
Hannah Wolfe 2015-10-23 12:37:56 +01:00
commit 0be56fb5f0
1 changed files with 133 additions and 48 deletions
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181
core/server/api/themes.js
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@ -2,12 +2,74 @@
// RESTful API for Themes
var Promise = require('bluebird'),
_ = require('lodash'),
canThis = require('../permissions').canThis,
config = require('../config'),
errors = require('../errors'),
settings = require('./settings'),
pipeline = require('../utils/pipeline'),
utils = require('./utils'),
docName = 'themes',
themes;
/**
* ### Fetch Active Theme
* @returns {Theme} theme
*/
function fetchActiveTheme() {
return settings.read({
key: 'activeTheme',
context: {
internal: true
}
}).then(function (response) {
return response.settings[0].value;
});
}
/**
* ### Fetch Available Themes
* @returns {Themes} themes
*/
function fetchAvailableThemes() {
var themes = {};
_.each(config.paths.availableThemes, function (theme, name) {
var isTheme = name.indexOf('.') !== 0 && name !== '_messages' && name.toLowerCase() !== 'readme.md';
if (!isTheme) {
return;
}
themes[name] = theme;
});
return themes;
}
/**
* ### Activate Theme
* @param {Theme} theme
* @returns {Object} response
*/
function activateTheme(theme) {
return settings.edit({
settings: [{
key: 'activeTheme',
value: theme.name
}],
context: {
internal: true
}
}).then(function () {
theme.active = true;
return {themes: [theme]};
});
}
/**
* ## Themes API Methods
*
@ -21,42 +83,57 @@ themes = {
* @returns {Promise(Themes)}
*/
browse: function browse(options) {
options = options || {};
var tasks;
return canThis(options.context).browse.theme().then(function () {
return Promise.all([
settings.read({key: 'activeTheme', context: {internal: true}}),
config.paths.availableThemes
]).then(function (result) {
var activeTheme = result[0].settings[0].value,
availableThemes = result[1],
themes = [],
themeKeys = Object.keys(availableThemes);
/**
* ### Model Query
* @returns {Object} result
*/
_.each(themeKeys, function (key) {
if (key.indexOf('.') !== 0
&& key !== '_messages'
&& key !== 'README.md'
) {
var item = {
uuid: key
};
function modelQuery() {
var result = {
availableThemes: fetchAvailableThemes(),
activeTheme: fetchActiveTheme()
};
if (availableThemes[key].hasOwnProperty('package.json')) {
item = _.merge(item, availableThemes[key]['package.json']);
}
return Promise.props(result);
}
item.active = item.uuid === activeTheme;
/**
* ### Build response
* @param {Object} result - result from modelQuery()
* @returns {Object} response
*/
themes.push(item);
}
});
function buildResponse(result) {
var themes = [];
return {themes: themes};
_.each(result.availableThemes, function (theme, name) {
var item = {
active: result.activeTheme === name,
uuid: name
};
// if theme has package.json file,
// merge its properties
if (theme['package.json']) {
item = _.merge(item, theme['package.json']);
}
themes.push(item);
});
}, function () {
return Promise.reject(new errors.NoPermissionError('You do not have permission to browse themes.'));
});
return {themes: themes};
}
tasks = [
utils.validate(docName),
utils.handlePublicPermissions(docName, 'browse'),
modelQuery,
buildResponse
];
return pipeline(tasks, options || {});
},
/**
@ -67,39 +144,47 @@ themes = {
* @returns {Promise(Theme)}
*/
edit: function edit(object, options) {
var themeName;
var tasks, themeName;
// Check whether the request is properly formatted.
if (!_.isArray(object.themes)) {
return Promise.reject({type: 'BadRequest', message: 'Invalid request.'});
return Promise.reject(new errors.BadRequestError('Invalid request.'));
}
themeName = object.themes[0].uuid;
return canThis(options.context).edit.theme().then(function () {
return themes.browse(options).then(function (availableThemes) {
var theme;
/**
* ### Model Query
* @param {Object} options
* @returns {Theme} theme
*/
// Check if the theme exists
theme = _.find(availableThemes.themes, function (currentTheme) {
return currentTheme.uuid === themeName;
function modelQuery(options) {
return themes.browse(options).then(function (response) {
var theme = _.find(response.themes, function (theme) {
return theme.uuid === themeName;
});
if (!theme) {
return Promise.reject(new errors.BadRequestError('Theme does not exist.'));
}
// Activate the theme
return settings.edit(
{settings: [{key: 'activeTheme', value: themeName}]}, {context: {internal: true}}
).then(function () {
theme.active = true;
return {themes: [theme]};
});
if (!theme.name) {
theme.name = themeName;
}
return theme;
});
}, function () {
return Promise.reject(new errors.NoPermissionError('You do not have permission to edit themes.'));
});
}
tasks = [
utils.validate(docName),
utils.handlePermissions(docName, 'edit'),
modelQuery,
activateTheme
];
return pipeline(tasks, options || {});
}
};