105 lines
3.3 KiB
JavaScript
105 lines
3.3 KiB
JavaScript
// vim: set et sw=2 ts=2:
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//
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// This file is part of Moonfire NVR, a security stream digital video recorder.
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// Copyright (C) 2018 The Moonfire NVR Authors
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// In addition, as a special exception, the copyright holders give
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// permission to link the code of portions of this program with the
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// OpenSSL library under certain conditions as described in each
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// individual source file, and distribute linked combinations including
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// the two.
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//
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// You must obey the GNU General Public License in all respects for all
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// of the code used other than OpenSSL. If you modify file(s) with this
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// exception, you may extend this exception to your version of the
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// file(s), but you are not obligated to do so. If you do not wish to do
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// so, delete this exception statement from your version. If you delete
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// this exception statement from all source files in the program, then
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// also delete it here.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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import Range90k from './Range90k';
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/**
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* Stream JSON wrapper.
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*/
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export default class Stream {
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/**
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* Construct from JSON.
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*
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* @param {JSON} streamJson JSON for single stream.
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*/
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constructor(streamJson) {
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this.json_ = streamJson;
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}
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/**
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* Get maximimum amount of storage allowed to be used for stream's video
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* samples.
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*
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* @return {Number} Amount in bytes
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*/
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get retainBytes() {
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return this.json_.retainBytes;
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}
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/**
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* Get a Range90K object representing the range encompassing all available
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* video samples for the stream.
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*
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* This range does not mean every second of the range has video!
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*
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* @return {Range90k} The stream's available recordings range
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*/
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get range90k() {
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return new Range90k(
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this.json_.minStartTime90k,
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this.json_.maxEndTime90k,
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this.json_.totalDuration90k
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);
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}
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/**
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* Get the total amount of storage currently taken up by the stream's video
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* samples.
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*
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* @return {Number} Amount in bytes
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*/
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get totalSampleFileBytes() {
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return this.json_.totalSampleFileBytes;
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}
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/**
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* Get the list of the stream's days for which there are video samples.
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*
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* The result is a Map with dates as keys (in YYYY-MM-DD format) and each
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* value is a Range90k object for that day. Here too, the range does not
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* mean every second in the range has video, but presence of an entry for
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* a day does mean there is at least one (however short) video segment
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* available.
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*
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* @return {Map} Dates are keys, values are Range90K objects.
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*/
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get days() {
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return new Map(
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Object.entries(this.json_.days).map(function(t) {
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let [k, v] = t;
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v = new Range90k(v.startTime90k, v.endTime90k, v.totalDuration90k);
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return [k, v];
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})
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);
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}
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}
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