mirror of
https://github.com/TryGhost/Ghost.git
synced 2024-11-24 14:43:08 +03:00
c558cb7648
closes #952 - moved api.js to api/index.js - added api/db.js for import and export functions - moved /ghost/debug/db/export to GET /api/v0.1/db - moved /ghost/debug/db/import to POST /api/v0.1/db - removed /ghost/debug/db/reset - added validation for import - added constraints object to migration
411 lines
13 KiB
JavaScript
411 lines
13 KiB
JavaScript
// # Ghost Data API
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// Provides access to the data model
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var Ghost = require('../../ghost'),
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_ = require('underscore'),
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when = require('when'),
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errors = require('../errorHandling'),
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permissions = require('../permissions'),
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db = require('./db'),
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canThis = permissions.canThis,
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ghost = new Ghost(),
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dataProvider = ghost.dataProvider,
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posts,
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users,
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tags,
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notifications,
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settings,
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requestHandler,
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settingsObject,
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settingsCollection,
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settingsFilter,
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filteredUserAttributes = ['password', 'created_by', 'updated_by'];
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// ## Posts
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posts = {
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// #### Browse
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// **takes:** filter / pagination parameters
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browse: function browse(options) {
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// **returns:** a promise for a page of posts in a json object
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//return dataProvider.Post.findPage(options);
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return dataProvider.Post.findPage(options).then(function (result) {
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var i = 0,
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omitted = result;
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for (i = 0; i < omitted.posts.length; i = i + 1) {
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omitted.posts[i].author = _.omit(omitted.posts[i].author, filteredUserAttributes);
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omitted.posts[i].user = _.omit(omitted.posts[i].user, filteredUserAttributes);
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}
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return omitted;
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});
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},
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// #### Read
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// **takes:** an identifier (id or slug?)
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read: function read(args) {
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// **returns:** a promise for a single post in a json object
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return dataProvider.Post.findOne(args).then(function (result) {
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var omitted;
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if (result) {
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omitted = result.toJSON();
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omitted.author = _.omit(omitted.author, filteredUserAttributes);
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omitted.user = _.omit(omitted.user, filteredUserAttributes);
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return omitted;
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}
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return null;
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});
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},
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// #### Edit
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// **takes:** a json object with all the properties which should be updated
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edit: function edit(postData) {
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// **returns:** a promise for the resulting post in a json object
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if (!this.user) {
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return when.reject("You do not have permission to edit this post.");
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}
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return canThis(this.user).edit.post(postData.id).then(function () {
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return dataProvider.Post.edit(postData);
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}, function () {
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return when.reject("You do not have permission to edit this post.");
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});
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},
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// #### Add
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// **takes:** a json object representing a post,
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add: function add(postData) {
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// **returns:** a promise for the resulting post in a json object
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if (!this.user) {
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return when.reject("You do not have permission to add posts.");
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}
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return canThis(this.user).create.post().then(function () {
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return dataProvider.Post.add(postData);
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}, function () {
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return when.reject("You do not have permission to add posts.");
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});
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},
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// #### Destroy
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// **takes:** an identifier (id or slug?)
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destroy: function destroy(args) {
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// **returns:** a promise for a json response with the id of the deleted post
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if (!this.user) {
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return when.reject("You do not have permission to remove posts.");
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}
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return canThis(this.user).remove.post(args.id).then(function () {
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return when(posts.read({id : args.id})).then(function (result) {
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return dataProvider.Post.destroy(args.id).then(function () {
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var deletedObj = {};
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deletedObj.id = result.id;
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deletedObj.slug = result.slug;
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return deletedObj;
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});
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});
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}, function () {
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return when.reject("You do not have permission to remove posts.");
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});
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}
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};
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// ## Users
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users = {
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// #### Browse
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// **takes:** options object
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browse: function browse(options) {
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// **returns:** a promise for a collection of users in a json object
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return dataProvider.User.browse(options).then(function (result) {
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var i = 0,
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omitted = {};
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if (result) {
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omitted = result.toJSON();
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}
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for (i = 0; i < omitted.length; i = i + 1) {
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omitted[i] = _.omit(omitted[i], filteredUserAttributes);
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}
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return omitted;
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});
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},
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// #### Read
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// **takes:** an identifier (id or slug?)
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read: function read(args) {
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// **returns:** a promise for a single user in a json object
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if (args.id === 'me') {
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args = {id: this.user};
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}
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return dataProvider.User.read(args).then(function (result) {
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if (result) {
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var omitted = _.omit(result.toJSON(), filteredUserAttributes);
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return omitted;
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}
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return null;
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});
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},
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// #### Edit
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// **takes:** a json object representing a user
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edit: function edit(userData) {
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// **returns:** a promise for the resulting user in a json object
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userData.id = this.user;
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return dataProvider.User.edit(userData);
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},
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// #### Add
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// **takes:** a json object representing a user
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add: function add(userData) {
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// **returns:** a promise for the resulting user in a json object
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return dataProvider.User.add(userData);
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},
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// #### Check
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// Checks a password matches the given email address
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// **takes:** a json object representing a user
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check: function check(userData) {
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// **returns:** on success, returns a promise for the resulting user in a json object
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return dataProvider.User.check(userData);
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},
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// #### Change Password
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// **takes:** a json object representing a user
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changePassword: function changePassword(userData) {
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// **returns:** on success, returns a promise for the resulting user in a json object
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return dataProvider.User.changePassword(userData);
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},
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forgottenPassword: function forgottenPassword(email) {
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return dataProvider.User.forgottenPassword(email);
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}
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};
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tags = {
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// #### All
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// **takes:** Nothing yet
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all: function browse() {
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// **returns:** a promise for all tags which have previously been used in a json object
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return dataProvider.Tag.findAll();
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}
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};
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// ## Notifications
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notifications = {
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// #### Destroy
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// **takes:** an identifier (id)
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destroy: function destroy(i) {
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ghost.notifications = _.reject(ghost.notifications, function (element) {
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return element.id === i.id;
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});
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// **returns:** a promise for remaining notifications as a json object
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return when(ghost.notifications);
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},
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// #### Add
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// **takes:** a notification object of the form
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// ```
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// msg = {
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// type: 'error', // this can be 'error', 'success', 'warn' and 'info'
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// message: 'This is an error', // A string. Should fit in one line.
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// status: 'persistent', // or 'passive'
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// id: 'auniqueid' // A unique ID
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// };
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// ```
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add: function add(notification) {
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// **returns:** a promise for all notifications as a json object
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return when(ghost.notifications.push(notification));
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}
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};
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// ## Settings
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// ### Helpers
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// Turn a settings collection into a single object/hashmap
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settingsObject = function (settings) {
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if (_.isObject(settings)) {
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return _.reduce(settings, function (res, item, key) {
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if (_.isArray(item)) {
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res[key] = item;
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} else {
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res[key] = item.value;
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}
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return res;
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}, {});
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}
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return (settings.toJSON ? settings.toJSON() : settings).reduce(function (res, item) {
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if (item.toJSON) { item = item.toJSON(); }
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if (item.key) { res[item.key] = item.value; }
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return res;
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}, {});
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};
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// Turn an object into a collection
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settingsCollection = function (settings) {
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return _.map(settings, function (value, key) {
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return { key: key, value: value };
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});
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};
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// Filters an object based on a given filter object
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settingsFilter = function (settings, filter) {
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return _.object(_.filter(_.pairs(settings), function (setting) {
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if (filter) {
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return _.some(filter.split(','), function (f) {
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return setting[1].type === f;
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});
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}
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return true;
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}));
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};
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settings = {
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// #### Browse
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// **takes:** options object
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browse: function browse(options) {
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// **returns:** a promise for a settings json object
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if (ghost.settings()) {
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return when(ghost.settings()).then(function (settings) {
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return settingsObject(settingsFilter(settings, options.type));
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}, errors.logAndThrowError);
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}
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},
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// #### Read
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// **takes:** either a json object containing a key, or a single key string
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read: function read(options) {
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if (_.isString(options)) {
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options = { key: options };
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}
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if (ghost.settings()) {
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return when(ghost.settings()[options.key]).then(function (setting) {
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if (!setting) {
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return when.reject("Unable to find setting: " + options.key);
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}
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var res = {};
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res.key = options.key;
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res.value = setting.value;
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return res;
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}, errors.logAndThrowError);
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}
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},
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// #### Edit
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// **takes:** either a json object representing a collection of settings, or a key and value pair
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edit: function edit(key, value) {
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// Check for passing a collection of settings first
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if (_.isObject(key)) {
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//clean data
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var type = key.type;
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delete key.type;
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delete key.availableThemes;
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key = settingsCollection(key);
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return dataProvider.Settings.edit(key).then(function (result) {
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result.models = result;
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return when(ghost.readSettingsResult(result)).then(function (settings) {
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ghost.updateSettingsCache(settings);
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return settingsObject(settingsFilter(ghost.settings(), type));
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});
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}, errors.logAndThrowError);
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}
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return dataProvider.Settings.read(key).then(function (setting) {
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if (!setting) {
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return when.reject("Unable to find setting: " + key);
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}
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if (!_.isString(value)) {
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value = JSON.stringify(value);
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}
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setting.set('value', value);
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return dataProvider.Settings.edit(setting).then(function (result) {
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ghost.settings()[_.first(result).attributes.key].value = _.first(result).attributes.value;
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return settingsObject(ghost.settings());
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}, errors.logAndThrowError);
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});
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}
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};
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// ## Request Handlers
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function invalidateCache(req, res, result) {
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var parsedUrl = req._parsedUrl.pathname.replace(/\/$/, '').split('/'),
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method = req.method,
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endpoint = parsedUrl[3],
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id = parsedUrl[4],
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cacheInvalidate;
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if (method === 'POST' || method === 'PUT' || method === 'DELETE') {
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if (endpoint === 'settings' || endpoint === 'users') {
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cacheInvalidate = "/*";
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} else if (endpoint === 'posts') {
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cacheInvalidate = "/, /page/*, /rss/, /rss/*";
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if (id) {
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if (result.toJSON) {
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cacheInvalidate += ', /' + result.toJSON().slug + '/';
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} else {
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cacheInvalidate += ', /' + result.slug + '/';
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}
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}
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}
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if (cacheInvalidate) {
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res.set({
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"X-Cache-Invalidate": cacheInvalidate
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});
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}
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}
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}
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// ### requestHandler
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// decorator for api functions which are called via an HTTP request
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// takes the API method and wraps it so that it gets data from the request and returns a sensible JSON response
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requestHandler = function (apiMethod) {
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return function (req, res) {
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var options = _.extend(req.body, req.query, req.params),
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apiContext = {
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user: req.session && req.session.user
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};
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return apiMethod.call(apiContext, options).then(function (result) {
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invalidateCache(req, res, result);
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res.json(result || {});
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}, function (error) {
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error = {error: _.isString(error) ? error : (_.isObject(error) ? error.message : 'Unknown API Error')};
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res.json(400, error);
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});
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};
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};
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// Public API
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module.exports.posts = posts;
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module.exports.users = users;
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module.exports.tags = tags;
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module.exports.notifications = notifications;
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module.exports.settings = settings;
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module.exports.db = db.db;
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module.exports.requestHandler = requestHandler;
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