@xnstream/player-sdk/dist/analytics/DeliveryCollector.js

XStream Player SDK - A powerful video player SDK for streaming content

import Hls from 'hls.js';
export class DeliveryCollector {
    constructor(streamCode, hls, resource, edge_id, context) {
        this.events = [];
        this.context = context || {};
        this.streamCode = streamCode;
        this.hlsPlayer = hls;
        this.resource = resource;
        this.edge_id = edge_id;
        this.setupHlsEventListeners();
    }
    setupHlsEventListeners() {
        this.hlsPlayer.on(Hls.Events.ERROR, (_eventType, details) => {
            this.recordEvent(DeliveryCollector.EVENT_TYPES.HLS_ERROR, details);
        });
        this.hlsPlayer.on(Hls.Events.MANIFEST_LOADED, () => {
            this.recordEvent(DeliveryCollector.EVENT_TYPES.HLS_MANIFEST_LOADED, {});
        });
        this.hlsPlayer.on(Hls.Events.FRAG_LOADED, (_eventType, data) => {
            this.recordEvent(DeliveryCollector.EVENT_TYPES.FRAGMENT_LOADED, data);
        });
    }
    recordEvent(eventType, details) {
        let event = undefined;
        switch (eventType) {
            case DeliveryCollector.EVENT_TYPES.HLS_MANIFEST_LOADED:
                event = {
                    name: 'watchtime',
                    timestamp: Date.now(),
                    data: this.onManifestParsed(),
                };
                break;
            case DeliveryCollector.EVENT_TYPES.HLS_ERROR:
                event = {
                    name: 'error',
                    timestamp: Date.now(),
                    data: this.onError(details),
                };
                break;
            case DeliveryCollector.EVENT_TYPES.FRAGMENT_LOADED:
                event = {
                    name: 'bandwidth',
                    timestamp: Date.now(),
                    data: this.onFragmentLoaded(details),
                };
                break;
            default:
                break;
        }
        if (event) {
            this.events.push(event);
        }
    }
    onManifestParsed() {
        const event = {
            action: 'start',
            duration: 0,
            content_type: this.resource.type,
            content_id: this.streamCode,
            content_title: this.getContentTitle(),
            edge_id: this.edge_id,
        };
        return this.context.user_id ? { ...event, user_id: this.context.user_id } : event;
    }
    onError(details) {
        var _a, _b;
        const event = {
            error_type: details.type,
            error_code: details.details,
            level: details.fatal ? 'fatal' : 'non-fatal',
            content_type: this.resource.type,
            content_id: this.streamCode,
            content_title: this.getContentTitle(),
            edge_id: this.edge_id,
            description: JSON.stringify({
                url: details.url,
                response: details.response,
                reason: details.reason,
                level: details.level,
            }),
            stack_trace: (_b = (_a = details.error) === null || _a === void 0 ? void 0 : _a.stack) !== null && _b !== void 0 ? _b : '',
        };
        return this.context.user_id ? { ...event, user_id: this.context.user_id } : event;
    }
    onFragmentLoaded(data) {
        var _a, _b, _c;
        const frag = data.frag;
        const event = {
            content_type: this.resource.type,
            content_id: this.streamCode,
            content_title: this.getContentTitle(),
            bytes_size: Math.round((_a = frag.byteLength) !== null && _a !== void 0 ? _a : 0),
            edge_id: this.edge_id,
            fragment_duration: Math.round((_b = frag.duration) !== null && _b !== void 0 ? _b : 0),
            est_bandwidth: Math.round((_c = frag.stats.bwEstimate) !== null && _c !== void 0 ? _c : 0),
            fragment_url: frag.url,
            fragment_level: frag.level.toString(),
            fragment_sn: frag.sn,
        };
        return this.context.user_id ? { ...event, user_id: this.context.user_id } : event;
    }
    getContentTitle() {
        if (this.resource.type === 'live') {
            return this.resource.resource.name;
        }
        else {
            return this.resource.resource.title || this.streamCode;
        }
    }
    flush() {
        const events = [...this.events];
        this.events = [];
        return events;
    }
    destroy() {
        // Cleanup if needed
    }
}
DeliveryCollector.eventsToTrack = [
    'hlsManifestLoaded',
    'hlsError',
    'fragmentLoaded',
];
DeliveryCollector.EVENT_TYPES = {
    HLS_MANIFEST_LOADED: 'hlsManifestLoaded',
    HLS_ERROR: 'hlsError',
    FRAGMENT_LOADED: 'fragmentLoaded',
};
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