72 lines
1.7 KiB
JavaScript
72 lines
1.7 KiB
JavaScript
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EmbarkJS.Messages.Orbit = {};
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EmbarkJS.Messages.Orbit.sendMessage = function(options) {
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var topics = options.topic || options.topics;
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var data = options.data || options.payload;
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if (topics === undefined) {
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throw new Error("missing option: topic");
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}
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if (data === undefined) {
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throw new Error("missing option: data");
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}
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if (typeof topics === 'string') {
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topics = topics;
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} else {
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// TODO: better to just send to different channels instead
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topics = topics.join(',');
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}
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this.orbit.join(topics);
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var payload = JSON.stringify(data);
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this.orbit.send(topics, data);
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};
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EmbarkJS.Messages.Orbit.listenTo = function(options) {
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var self = this;
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var topics = options.topic || options.topics;
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if (typeof topics === 'string') {
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topics = topics;
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} else {
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topics = topics.join(',');
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}
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this.orbit.join(topics);
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var messageEvents = function() {
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this.cb = function() {};
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};
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messageEvents.prototype.then = function(cb) {
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this.cb = cb;
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};
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messageEvents.prototype.error = function(err) {
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return err;
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};
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var promise = new messageEvents();
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this.orbit.events.on('message', (channel, message) => {
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// TODO: looks like sometimes it's receving messages from all topics
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if (topics !== channel) return;
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self.orbit.getPost(message.payload.value, true).then((post) => {
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var data = {
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topic: channel,
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data: post.content,
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from: post.meta.from.name,
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time: (new Date(post.meta.ts))
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};
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promise.cb(post.content, data, post);
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});
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});
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return promise;
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};
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