250 lines
8.4 KiB
JavaScript
250 lines
8.4 KiB
JavaScript
// TODO: Refactor using normalizr
|
|
// TODO: https://facebook.github.io/immutable-js/ ?
|
|
import "babel-polyfill";
|
|
import fetch from "isomorphic-fetch";
|
|
import humps from "humps";
|
|
import X2JS from "x2js";
|
|
|
|
import { assembleURLAndParams } from "../utils";
|
|
|
|
export const API_VERSION = 350001; /** API version to use. */
|
|
export const BASE_API_PATH = "/server/xml.server.php"; /** Base API path after endpoint. */
|
|
|
|
// Error class to represents errors from these actions.
|
|
class APIError extends Error {}
|
|
|
|
function _checkHTTPStatus (response) {
|
|
if (response.status >= 200 && response.status < 300) {
|
|
return response;
|
|
} else {
|
|
return Promise.reject(response.statusText);
|
|
}
|
|
}
|
|
|
|
function _parseToJSON (responseText) {
|
|
var x2js = new X2JS({
|
|
attributePrefix: "",
|
|
keepCData: false
|
|
});
|
|
if (responseText) {
|
|
return x2js.xml_str2json(responseText).root;
|
|
}
|
|
return Promise.reject("Invalid response text.");
|
|
}
|
|
|
|
function _checkAPIErrors (jsonData) {
|
|
if (jsonData.error) {
|
|
return Promise.reject(jsonData.error.cdata + " (" + jsonData.error.code + ")");
|
|
} else if (!jsonData) {
|
|
// No data returned
|
|
return Promise.reject("Empty response");
|
|
}
|
|
return jsonData;
|
|
}
|
|
|
|
function _uglyFixes (endpoint, token) {
|
|
if (typeof _uglyFixes.artistsCount === "undefined" ) {
|
|
_uglyFixes.artistsCount = 0;
|
|
}
|
|
if (typeof _uglyFixes.albumsCount === "undefined" ) {
|
|
_uglyFixes.albumsCount = 0;
|
|
}
|
|
if (typeof _uglyFixes.songsCount === "undefined" ) {
|
|
_uglyFixes.songsCount = 0;
|
|
}
|
|
|
|
var _uglyFixesSongs = function (songs) {
|
|
for (var i = 0; i < songs.length; i++) {
|
|
// Fix for name becoming title in songs objects
|
|
songs[i].name = songs[i].title;
|
|
// Fix for length being time in songs objects
|
|
songs[i].length = songs[i].time;
|
|
|
|
// Fix for cdata left in artist and album
|
|
songs[i].artist.name = songs[i].artist.cdata;
|
|
songs[i].album.name = songs[i].album.cdata;
|
|
}
|
|
return songs;
|
|
};
|
|
|
|
var _uglyFixesAlbums = function (albums) {
|
|
for (var i = 0; i < albums.length; i++) {
|
|
// Fix for absence of distinction between disks in the same album
|
|
if (albums[i].disk > 1) {
|
|
albums[i].name = albums[i].name + " [Disk " + albums[i].disk + "]";
|
|
}
|
|
|
|
// Move songs one node top
|
|
if (albums[i].tracks.song) {
|
|
albums[i].tracks = albums[i].tracks.song;
|
|
|
|
// Ensure tracks is an array
|
|
if (!Array.isArray(albums[i].tracks)) {
|
|
albums[i].tracks = [albums[i].tracks];
|
|
}
|
|
|
|
// Fix tracks
|
|
albums[i].tracks = _uglyFixesSongs(albums[i].tracks);
|
|
}
|
|
}
|
|
return albums;
|
|
};
|
|
|
|
return jsonData => {
|
|
// Camelize
|
|
jsonData = humps.camelizeKeys(jsonData);
|
|
|
|
// Ensure items are always wrapped in an array
|
|
if (jsonData.artist && !Array.isArray(jsonData.artist)) {
|
|
jsonData.artist = [jsonData.artist];
|
|
}
|
|
if (jsonData.album && !Array.isArray(jsonData.album)) {
|
|
jsonData.album = [jsonData.album];
|
|
}
|
|
if (jsonData.song && !Array.isArray(jsonData.song)) {
|
|
jsonData.song = [jsonData.song];
|
|
}
|
|
|
|
// Keep track of artists count
|
|
if (jsonData.artists) {
|
|
_uglyFixes.artistsCount = parseInt(jsonData.artists);
|
|
}
|
|
// Keep track of albums count
|
|
if (jsonData.albums) {
|
|
_uglyFixes.albumsCount = parseInt(jsonData.albums);
|
|
}
|
|
// Keep track of songs count
|
|
if (jsonData.songs) {
|
|
_uglyFixes.songsCount = parseInt(jsonData.songs);
|
|
}
|
|
|
|
if (jsonData.artist) {
|
|
for (var i = 0; i < jsonData.artist.length; i++) {
|
|
// Fix for artists art not included
|
|
jsonData.artist[i].art = endpoint.replace("/server/xml.server.php", "") + "/image.php?object_id=" + jsonData.artist[i].id + "&object_type=artist&auth=" + token;
|
|
|
|
// Move albums one node top
|
|
if (jsonData.artist[i].albums.album) {
|
|
jsonData.artist[i].albums = jsonData.artist[i].albums.album;
|
|
|
|
// Ensure albums are an array
|
|
if (!Array.isArray(jsonData.artist[i].albums)) {
|
|
jsonData.artist[i].albums = [jsonData.artist[i].albums];
|
|
}
|
|
|
|
// Fix albums
|
|
jsonData.artist[i].albums = _uglyFixesAlbums(jsonData.artist[i].albums);
|
|
}
|
|
|
|
// Move songs one node top
|
|
if (jsonData.artist[i].songs.song) {
|
|
jsonData.artist[i].songs = jsonData.artist[i].songs.song;
|
|
|
|
// Ensure songs are an array
|
|
if (!Array.isArray(jsonData.artist[i].songs)) {
|
|
jsonData.artist[i].songs = [jsonData.artist[i].songs];
|
|
}
|
|
|
|
// Fix songs
|
|
jsonData.artist[i].songs = _uglyFixesSongs(jsonData.artist[i].songs);
|
|
}
|
|
}
|
|
// Store the total number of items
|
|
jsonData.artists = _uglyFixes.artistsCount;
|
|
}
|
|
if (jsonData.album) {
|
|
// Fix albums
|
|
jsonData.album = _uglyFixesAlbums(jsonData.album);
|
|
// Store the total number of items
|
|
jsonData.albums = _uglyFixes.albumsCount;
|
|
}
|
|
if (jsonData.song) {
|
|
// Fix songs
|
|
jsonData.song = _uglyFixesSongs(jsonData.song);
|
|
// Store the total number of items
|
|
jsonData.songs = _uglyFixes.songsCount;
|
|
}
|
|
|
|
if (!jsonData.sessionExpire) {
|
|
// Fix for Ampache not returning updated sessionExpire
|
|
jsonData.sessionExpire = (new Date(Date.now() + 3600 * 1000)).toJSON();
|
|
}
|
|
|
|
return jsonData;
|
|
};
|
|
}
|
|
|
|
// Fetches an API response and normalizes the result JSON according to schema.
|
|
// This makes every API response have the same shape, regardless of how nested it was.
|
|
function doAPICall (endpoint, action, auth, username, extraParams) {
|
|
const APIAction = extraParams.filter ? action.rstrip("s") : action;
|
|
const baseParams = {
|
|
version: API_VERSION,
|
|
action: APIAction,
|
|
auth: auth,
|
|
user: username
|
|
};
|
|
const params = Object.assign({}, baseParams, extraParams);
|
|
const fullURL = assembleURLAndParams(endpoint + BASE_API_PATH, params);
|
|
|
|
return fetch(fullURL, {
|
|
method: "get",
|
|
})
|
|
.then(_checkHTTPStatus)
|
|
.then (response => response.text())
|
|
.then(_parseToJSON)
|
|
.then(_uglyFixes(endpoint, auth))
|
|
.then(_checkAPIErrors);
|
|
}
|
|
|
|
// Action key that carries API call info interpreted by this Redux middleware.
|
|
export const CALL_API = "CALL_API";
|
|
|
|
// A Redux middleware that interprets actions with CALL_API info specified.
|
|
// Performs the call and promises when such actions are dispatched.
|
|
export default store => next => reduxAction => {
|
|
if (reduxAction.type !== CALL_API) {
|
|
// Do not apply on every action
|
|
return next(reduxAction);
|
|
}
|
|
|
|
const { endpoint, action, auth, username, dispatch, extraParams } = reduxAction.payload;
|
|
|
|
if (!endpoint || typeof endpoint !== "string") {
|
|
throw new APIError("Specify a string endpoint URL.");
|
|
}
|
|
if (!action) {
|
|
throw new APIError("Specify one of the supported API actions.");
|
|
}
|
|
if (!auth) {
|
|
throw new APIError("Specify an auth token.");
|
|
}
|
|
if (!username) {
|
|
throw new APIError("Specify a username.");
|
|
}
|
|
if (!Array.isArray(dispatch) || dispatch.length !== 3) {
|
|
throw new APIError("Expected an array of three action dispatch.");
|
|
}
|
|
if (!dispatch.every(type => typeof type === "function" || type === null)) {
|
|
throw new APIError("Expected action to dispatch to be functions or null.");
|
|
}
|
|
|
|
const [ requestDispatch, successDispatch, failureDispatch ] = dispatch;
|
|
if (requestDispatch) {
|
|
store.dispatch(requestDispatch());
|
|
}
|
|
|
|
return doAPICall(endpoint, action, auth, username, extraParams).then(
|
|
response => {
|
|
if (successDispatch) {
|
|
store.dispatch(successDispatch(response));
|
|
}
|
|
},
|
|
error => {
|
|
if (failureDispatch) {
|
|
store.dispatch(failureDispatch(error.message));
|
|
}
|
|
}
|
|
);
|
|
};
|