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import { getPackageChangelog } from "libs/api/package";
import { bulkUpdateDataWrapper, ErrorType, getTopic, logError } from "libs/sink-lib";
import { KafkaEvent, KafkaRecord, LegacyAdminChange, opensearch } from "shared-types";
import { decodeBase64WithUtf8 } from "shared-utils";
import {
transformDeleteSchema,
transformedSplitSPASchema,
transformedUpdateIdSchema,
transformSubmitValuesSchema,
transformUpdateValuesSchema,
} from "./update/adminChangeSchemas";
// One notable difference between this handler and sinkMain's...
// The order in which records are processed for the changelog doesn't matter.
// Because each event is a unique record, and so there is no upserting, order doesn't matter.
export const handler: Handler<KafkaEvent> = async (event) => {
const loggableEvent = { ...event, records: "too large to display" };
try {
for (const topicPartition of Object.keys(event.records)) {
const topic = getTopic(topicPartition);
switch (topic) {
case "aws.onemac.migration.cdc":
// await legacyAdminChanges(
// event.records[topicPartition],
// topicPartition,
// );
// await onemac(event.records[topicPartition], topicPartition);
await processAndIndex({
kafkaRecords: event.records[topicPartition],
transforms: opensearch.changelog.transforms,
topicPartition: topicPartition,
});
break;
default:
logError({ type: ErrorType.BADTOPIC });
throw new Error(`topic (${topicPartition}) is invalid`);
}
}
} catch (error) {
logError({ type: ErrorType.UNKNOWN, metadata: { event: loggableEvent } });
throw error;
}
};
const processAndIndex = async ({
kafkaRecords,
transforms,
topicPartition,
}: {
kafkaRecords: KafkaRecord[];
transforms: any;
topicPartition: string;
}) => {
const docs: Array<(typeof transforms)[keyof typeof transforms]["Schema"]> = [];
for (const kafkaRecord of kafkaRecords) {
console.log(JSON.stringify(kafkaRecord, null, 2));
const { value, offset, headers } = kafkaRecord;
const kafkaSource = String.fromCharCode(...(headers[0]?.source || []));
try {
// If a legacy tombstone, continue
if (!value) {
continue;
}
// Parse the kafka record's value
const record = JSON.parse(decodeBase64WithUtf8(value));
if (record.isAdminChange) {
const schema = transformDeleteSchema(offset)
.or(transformUpdateValuesSchema(offset))
.or(transformedUpdateIdSchema)
.or(transformedSplitSPASchema)
.or(transformSubmitValuesSchema);
const result = schema.safeParse(record);
if (result.success) {
if (result.data.adminChangeType === "update-id" && "idToBeUpdated" in result.data) {
const { id, packageId: _packageId, idToBeUpdated, ...restOfResultData } = result.data;
// Push doc with content of package being soft deleted
docs.forEach((log) => {
const recordOffset = log.id.split("-").at(-1);
docs.push({
...log,
id: `${id}-${recordOffset}`,
packageId: id,
deleted: false,
...restOfResultData,
});
});
// Get all changelog entries for the original package ID
// Filter out any entry regarding the soft deleted event
// Create copies of the rest of the changelog entries with the new package ID
const packageChangelogs = await getPackageChangelog(idToBeUpdated);
packageChangelogs.hits.hits.forEach((log) => {
Eif (log._source.event !== "delete") {
const recordOffset = log._id.split("-").at(-1);
docs.push({
...log._source,
id: `${id}-${recordOffset}`,
packageId: id,
});
}
});
I} else if (
result.data.adminChangeType === "split-spa" &&
"idToBeUpdated" in result.data
) {
// Push doc with new split package
docs.push({ ...result.data, proposedDate: null, submissionDate: null });
// Get all changelog entries for this ID and create copies of all entries with new ID
const packageChangelogs = await getPackageChangelog(result.data.idToBeUpdated);
packageChangelogs.hits.hits.forEach((log) => {
const recordOffset = log._id.split("-").at(-1);
docs.push({
...log._source,
id: `${result.data.id}-${recordOffset}`,
packageId: result.data.id,
});
});
} else {
docs.push({ ...result.data, proposedDate: null, submissionDate: null });
}
} else {
console.log(
`Skipping package with invalid format for type "${record.adminChangeType}"`,
result.error.message,
);
}
}
// If the event is a supported event, transform and push to docs array for indexing
Iif (kafkaSource === "onemac" && record.GSI1pk) {
// This is a onemac legacy event
record.event = "legacy-event";
record.origin = "onemac";
}
const recordsToProcess: Array<(typeof transforms)[keyof typeof transforms]["Schema"]> = [];
Iif (record.reverseChrono?.length) {
// Focus on adminChange property in records with the reverseChrono property to avoid ingesting duplicates
if (record.adminChanges?.length) {
record.adminChanges.map((adminChange: LegacyAdminChange) =>
recordsToProcess.push({
...record,
...adminChange,
event: "legacy-admin-change",
}),
);
}
} else {
recordsToProcess.push(record);
}
for (const currentRecord of recordsToProcess) {
// If the event is a supported event, transform and push to docs array for indexing
if (currentRecord.event in transforms) {
const transformForEvent = transforms[currentRecord.event as keyof typeof transforms];
const result = transformForEvent.transform(offset).safeParse(currentRecord);
Iif (result.success && result.data === undefined) continue;
if (!result.success) {
logError({
type: ErrorType.VALIDATION,
error: result?.error,
metadata: { topicPartition, kafkaRecord, currentRecord },
});
continue;
}
docs.push(result.data);
} else {
console.log(`No transform found for event: ${currentRecord.event}`);
}
}
} catch (error) {
logError({
type: ErrorType.BADPARSE,
error,
metadata: { topicPartition, kafkaRecord },
});
}
}
await bulkUpdateDataWrapper(docs, "changelog");
};
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