@aws-amplify/core/dist/esm/providers/pinpoint/utils/PinpointEventBuffer.mjs.map

Core category of aws-amplify

{"version":3,"file":"PinpointEventBuffer.mjs","sources":["../../../../../src/providers/pinpoint/utils/PinpointEventBuffer.ts"],"sourcesContent":["// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n// SPDX-License-Identifier: Apache-2.0\nimport { ConsoleLogger } from '../../../Logger';\nimport { putEvents, } from '../../../awsClients/pinpoint';\nimport { isAppInForeground } from './isAppInForeground';\nconst logger = new ConsoleLogger('PinpointEventBuffer');\nconst RETRYABLE_CODES = [429, 500];\nconst ACCEPTED_CODES = [202];\nexport class PinpointEventBuffer {\n    constructor(config) {\n        this._interval = undefined;\n        this._pause = false;\n        this._flush = false;\n        this._buffer = [];\n        this._config = config;\n        this._sendBatch = this._sendBatch.bind(this);\n        this._startLoop();\n    }\n    push(event) {\n        if (this._buffer.length >= this._config.bufferSize) {\n            logger.debug('Exceeded Pinpoint event buffer limits, event dropped.', {\n                eventId: event.eventId,\n            });\n            return;\n        }\n        this._buffer.push({ [event.eventId]: event });\n    }\n    pause() {\n        this._pause = true;\n    }\n    resume() {\n        this._pause = false;\n    }\n    flush() {\n        this._flush = true;\n    }\n    identityHasChanged(identityId) {\n        return this._config.identityId !== identityId;\n    }\n    flushAll() {\n        this._putEvents(this._buffer.splice(0, this._buffer.length));\n    }\n    _startLoop() {\n        if (this._interval) {\n            clearInterval(this._interval);\n        }\n        const { flushInterval } = this._config;\n        this._interval = setInterval(this._sendBatch, flushInterval);\n    }\n    _sendBatch() {\n        const bufferLength = this._buffer.length;\n        if (this._flush && !bufferLength && this._interval) {\n            clearInterval(this._interval);\n        }\n        if (this._pause || !bufferLength || !isAppInForeground()) {\n            return;\n        }\n        const { flushSize } = this._config;\n        const batchSize = Math.min(flushSize, bufferLength);\n        const bufferSubset = this._buffer.splice(0, batchSize);\n        this._putEvents(bufferSubset);\n    }\n    async _putEvents(buffer) {\n        const eventMap = this._bufferToMap(buffer);\n        const batchEventParams = this._generateBatchEventParams(eventMap);\n        try {\n            const { credentials, region, userAgentValue } = this._config;\n            const data = await putEvents({\n                credentials,\n                region,\n                userAgentValue,\n            }, batchEventParams);\n            this._processPutEventsSuccessResponse(data, eventMap);\n        }\n        catch (err) {\n            this._handlePutEventsFailure(err, eventMap);\n        }\n    }\n    _generateBatchEventParams(eventMap) {\n        const batchItem = {};\n        Object.values(eventMap).forEach(item => {\n            const { event, timestamp, endpointId, eventId, session } = item;\n            const { name, attributes, metrics } = event;\n            batchItem[endpointId] = {\n                Endpoint: {\n                    ...batchItem[endpointId]?.Endpoint,\n                },\n                Events: {\n                    ...batchItem[endpointId]?.Events,\n                    [eventId]: {\n                        EventType: name,\n                        Timestamp: new Date(timestamp).toISOString(),\n                        Attributes: attributes,\n                        Metrics: metrics,\n                        Session: session,\n                    },\n                },\n            };\n        });\n        return {\n            ApplicationId: this._config.appId,\n            EventsRequest: {\n                BatchItem: batchItem,\n            },\n        };\n    }\n    _handlePutEventsFailure(err, eventMap) {\n        logger.debug('putEvents call to Pinpoint failed.', err);\n        const statusCode = err.$metadata && err.$metadata.httpStatusCode;\n        if (RETRYABLE_CODES.includes(statusCode)) {\n            const retryableEvents = Object.values(eventMap);\n            this._retry(retryableEvents);\n        }\n    }\n    _processPutEventsSuccessResponse(data, eventMap) {\n        const { Results = {} } = data.EventsResponse ?? {};\n        const retryableEvents = [];\n        Object.entries(Results).forEach(([_, endpointValues]) => {\n            const responses = endpointValues.EventsItemResponse ?? {};\n            Object.entries(responses).forEach(([eventId, eventValues]) => {\n                const eventObject = eventMap[eventId];\n                if (!eventObject) {\n                    return;\n                }\n                const { StatusCode, Message } = eventValues ?? {};\n                if (StatusCode && ACCEPTED_CODES.includes(StatusCode)) {\n                    return;\n                }\n                if (StatusCode && RETRYABLE_CODES.includes(StatusCode)) {\n                    retryableEvents.push(eventObject);\n                    return;\n                }\n                const { name } = eventObject.event;\n                logger.warn('Pinpoint event failed to send.', {\n                    eventId,\n                    name,\n                    message: Message,\n                });\n            });\n        });\n        if (retryableEvents.length) {\n            this._retry(retryableEvents);\n        }\n    }\n    _retry(retryableEvents) {\n        // retryable events that haven't reached the resendLimit\n        const eligibleEvents = [];\n        retryableEvents.forEach((bufferedEvent) => {\n            const { eventId } = bufferedEvent;\n            const { name } = bufferedEvent.event;\n            if (bufferedEvent.resendLimit-- > 0) {\n                logger.debug('Resending event.', {\n                    eventId,\n                    name,\n                    remainingAttempts: bufferedEvent.resendLimit,\n                });\n                eligibleEvents.push({ [eventId]: bufferedEvent });\n                return;\n            }\n            logger.debug('No retry attempts remaining for event.', {\n                eventId,\n                name,\n            });\n        });\n        // add the events to the front of the buffer\n        this._buffer.unshift(...eligibleEvents);\n    }\n    _bufferToMap(buffer) {\n        return buffer.reduce((acc, curVal) => {\n            const [[key, value]] = Object.entries(curVal);\n            acc[key] = value;\n            return acc;\n        }, {});\n    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