2017-02-27 21:42:28 +00:00
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/* global MD5 */
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declare var config: Object;
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declare var interfaceConfig: Object;
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2016-10-05 14:36:59 +00:00
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/**
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* Returns local participant from Redux state.
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*
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* @param {(Function|Participant[])} participantsOrGetState - Either the
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* features/base/participants Redux state or Redux's getState function to be
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* used to retrieve the features/base/participants state.
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* @returns {(Participant|undefined)}
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*/
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export function getLocalParticipant(participantsOrGetState) {
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const participants = _getParticipants(participantsOrGetState);
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return participants.find(p => p.local);
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}
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/**
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* Returns participant by ID from Redux state.
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*
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* @param {(Function|Participant[])} participantsOrGetState - Either the
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* features/base/participants Redux state or Redux's getState function to be
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* used to retrieve the features/base/participants state.
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* @param {string} id - The ID of the participant to retrieve.
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* @private
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* @returns {(Participant|undefined)}
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*/
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export function getParticipantById(participantsOrGetState, id) {
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const participants = _getParticipants(participantsOrGetState);
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return participants.find(p => p.id === id);
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}
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/**
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* Returns array of participants from Redux state.
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*
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* @param {(Function|Participant[])} participantsOrGetState - Either the
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* features/base/participants Redux state or Redux's getState function to be
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* used to retrieve the features/base/participants state.
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* @private
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* @returns {Participant[]}
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*/
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function _getParticipants(participantsOrGetState) {
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const participants
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= typeof participantsOrGetState === 'function'
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? participantsOrGetState()['features/base/participants']
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: participantsOrGetState;
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return participants || [];
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}
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2017-02-27 21:42:28 +00:00
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/**
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* Returns the URL of the image for the avatar of a particular participant
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* identified by their id and/or e-mail address.
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*
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* @param {string} [participantId] - Participant's id.
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* @param {Object} [options] - The optional arguments.
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* @param {string} [options.avatarId] - Participant's avatar id.
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* @param {string} [options.avatarUrl] - Participant's avatar url.
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* @param {string} [options.email] - Participant's email.
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* @returns {string} The URL of the image for the avatar of the participant
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* identified by the specified participantId and/or email.
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*
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* @public
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*/
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export function getAvatarURL(participantId, options = {}) {
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// If disableThirdPartyRequests is enabled we shouldn't use third party
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// avatar services, we are returning one of our images.
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if (typeof config === 'object' && config.disableThirdPartyRequests) {
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return 'images/avatar2.png';
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}
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const { avatarId, avatarUrl, email } = options;
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// If we have avatarUrl we don't need to generate new one.
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if (avatarUrl) {
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return avatarUrl;
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}
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let avatarKey = null;
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if (email) {
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avatarKey = email;
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} else {
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avatarKey = avatarId;
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}
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// If the ID looks like an email, we'll use gravatar.
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// Otherwise, it's a random avatar, and we'll use the configured
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// URL.
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const isEmail = avatarKey && avatarKey.indexOf('@') > 0;
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if (!avatarKey) {
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avatarKey = participantId;
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}
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avatarKey = MD5.hexdigest(avatarKey.trim().toLowerCase());
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let urlPref = null;
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let urlSuf = null;
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// gravatar doesn't support random avatars that's why we need to use other
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// services for the use case when the email is undefined.
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if (isEmail) {
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urlPref = 'https://www.gravatar.com/avatar/';
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urlSuf = '?d=wavatar&size=200';
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} else if (typeof interfaceConfig === 'object'
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&& interfaceConfig.RANDOM_AVATAR_URL_PREFIX) { // custom avatar service
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urlPref = interfaceConfig.RANDOM_AVATAR_URL_PREFIX;
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urlSuf = interfaceConfig.RANDOM_AVATAR_URL_SUFFIX;
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} else { // default avatar service
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urlPref = 'https://api.adorable.io/avatars/200/';
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urlSuf = '.png';
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}
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return urlPref + avatarKey + urlSuf;
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}
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