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announceChangesToAirtable.ts
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announceChangesToAirtable.ts
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import {inngest} from './client.js';
import {prismaClient} from '../prisma/client.js';
import {Mutation} from '../mutation/mutations.js';
import {PrismaSynchronisationIdRepository, SynchronisationIdRepository} from './dataSynchronisation.js';
import {AirtableClient, AirtableClientFailure, HttpAirtableClient} from '../airtable/airtableClient.js';
import {applyAirtablePlan, FailedAppliedAirtableMapping,} from '../airtable/applyAirtablePlan.js';
import {AirtableAccessTokenProvider} from './airtableAccessTokenProvider.js';
import {PrismaClient} from "@prisma/client";
import {DbMutationEvent, TenantEnvironmentPair} from "../prisma/dbtypes.js";
import {airtableSystemName} from "../express/oauth/airtableConnect.js";
import {acquireLock, releaseLock} from "./tenantEnvironmentLock.js";
import {AirtableMappingPlan, MappingPlanFinder} from "../airtable/airtableMappingTypes.js";
import {natsCarWashAirtableMapping} from "../airtable/natsCarWashAirtableMapping.js";
import {carWashMapping} from "../airtable/carWashMapping.js";
import {DelegatingInngestStep, InngestStep, Logger} from "./inngestTypes.js";
export const announceChangesToAirtable = {
fanOutChangesInTenantEnvironments: 'announceChanges/airtable/fanOutChangesInTenantEnvironments',
onPendingChangeInTenantEnvironment: 'announceChanges/airtable/onPendingChangeInTenantEnvironment',
deferredChangeAnnouncement: 'announceChanges/airtable/deferredChangeAnnouncement',
};
async function getTenantEnvironmentsPendingReplication(prisma: PrismaClient): Promise<TenantEnvironmentPair[]> {
return await prisma.$queryRawUnsafe<TenantEnvironmentPair[]>(`
SELECT DISTINCT m.tenant_id, m.environment_id
FROM mutation_events m
LEFT JOIN replicated_mutation_events r
ON m.id = r.mutation_event_id AND r.to_system = '${airtableSystemName}'
WHERE r.mutation_event_id IS NULL
`);
}
async function getEarliestNonReplicatedMutationEvent(prisma: PrismaClient, tenantId: string, environmentId: string): Promise<DbMutationEvent | null> {
const result = await prisma.$queryRawUnsafe<DbMutationEvent[]>(`
SELECT m.*
FROM mutation_events m
LEFT JOIN replicated_mutation_events r
on m.id = r.mutation_event_id AND r.to_system = '${airtableSystemName}'
WHERE r.mutation_event_id IS NULL
AND m.tenant_id = '${tenantId}'
AND m.environment_id = '${environmentId}'
ORDER BY m.id ASC
LIMIT 1
`);
return result.length > 0 ? result[0] : null;
}
export const fanOutChangesInAllEnvironments = inngest.createFunction(
{id: announceChangesToAirtable.fanOutChangesInTenantEnvironments},
{cron: '*/5 * * * *'},
async ({step}) => {
await step.run('announceTenantEnvironmentsWithPendingReplication', async () => {
const prisma = prismaClient();
const tenantEnvironmentsWithChanges = await getTenantEnvironmentsPendingReplication(prisma);
for (const tenantEnvironment of tenantEnvironmentsWithChanges) {
await inngest.send({
name: announceChangesToAirtable.onPendingChangeInTenantEnvironment,
data: {tenantId: tenantEnvironment.tenant_id, environmentId: tenantEnvironment.environment_id}
});
}
return tenantEnvironmentsWithChanges
});
}
);
export async function handlePendingChangeInTenantEnvironment(prisma: PrismaClient,
logger: Logger,
mappingFinder: MappingPlanFinder,
nextPendingReplicationFinder: (prisma: PrismaClient, tenantId: string, environmentId: string) => Promise<DbMutationEvent | null>,
synchronisationIdRepository: SynchronisationIdRepository,
airtableClient: AirtableClient,
tenantId: string,
environmentId: string,
inngestStep: InngestStep) {
const mapping = await mappingFinder(tenantId, environmentId);
if (!mapping) {
logger.info(`No mapping found for tenant ${tenantId} environment ${environmentId}, skipping`);
return;
}
const locked = await inngestStep.run('acquireLock', async () => {
return await acquireLock(prisma, tenantId, environmentId,'airtable-replication')
});
if (!locked) {
logger.info(`Tenant ${tenantId} environment ${environmentId} already locked, skipping`);
return;
}
const maybePendingEvent = await inngestStep.run('findNextEvent', async () => {
return nextPendingReplicationFinder(prisma, tenantId, environmentId);
});
if (maybePendingEvent) {
logger.info(`Replicating event ${maybePendingEvent.id} (${maybePendingEvent.event_type}:${maybePendingEvent.entity_type}) for tenant ${tenantId} environment ${environmentId}`)
await inngestStep.run('replicateEvent', async () => {
const outcomes = await applyAirtablePlan(
synchronisationIdRepository,
airtableClient,
mapping,
maybePendingEvent.event_data as any as Mutation
);
for (const outcome of outcomes) {
if (outcome._type === 'successful.applied.airtable.mapping') {
logger.info(`Successfully replicated event ${maybePendingEvent.id} as ${outcome.airtableOutcome.action} to ${airtableSystemName} ${outcome.airtableOutcome.baseId}/${outcome.airtableOutcome.table}/${outcome.airtableOutcome.recordId.value}`);
} else if (outcome._type === 'airtable.client.failure') {
logger.error(`Failed to replicate event ${maybePendingEvent.id} to ${airtableSystemName} (${outcome.baseId}/${outcome.table}): ${outcome.error}. Fields were ${JSON.stringify(outcome.fields)}`);
} else {
logger.error(`Failed to replicate event ${maybePendingEvent.id} to ${airtableSystemName}: ${outcome.error}`);
}
}
const firstError = outcomes.find((outcome) => outcome._type !== 'successful.applied.airtable.mapping') as AirtableClientFailure | FailedAppliedAirtableMapping | undefined;
if (firstError) {
throw new Error(`Failed to replicate event ${maybePendingEvent.id} to ${airtableSystemName}: ${firstError.error}`);
}
return outcomes
});
await inngestStep.run('markEventAsReplicated', async () => {
logger.info(`Marking event ${maybePendingEvent.id} as replicated to ${airtableSystemName}`)
await prisma.replicated_mutation_events.create({
data: {
mutation_event_id: maybePendingEvent.id,
to_system: airtableSystemName
}
});
logger.info(`Marked event ${maybePendingEvent.id} as replicated to ${airtableSystemName}`)
});
await inngestStep.run('queueAnotherPendingChange', async () => {
await inngestStep.send({
name: announceChangesToAirtable.onPendingChangeInTenantEnvironment,
data: {tenantId, environmentId}
});
});
} else {
logger.info(`No more pending changes for tenant ${tenantId} environment ${environmentId}`);
}
await inngestStep.run('releaseLock', async () => {
await releaseLock(prisma, tenantId, environmentId, 'airtable-replication');
});
}
const hardCodedMappingFinder: MappingPlanFinder = async (tenantId: string, environmentId: string) => {
if (tenantId === 'tenant1' && environmentId === 'dev') {
return carWashMapping;
}
if (tenantId === 'thesmartwashltd') {
return natsCarWashAirtableMapping;
}
return null;
}
function baseIdReplacingMappingFinder(delegate: MappingPlanFinder): MappingPlanFinder {
return async (tenantId: string, environmentId: string) => {
const mapping = await delegate(tenantId, environmentId);
if (mapping) {
let asString = JSON.stringify(mapping);
if(asString.includes('ENV.TEST_CARWASH_BASE_ID') && !process.env.TEST_CARWASH_BASE_ID) {
throw new Error('Missing TEST_CARWASH_BASE_ID');
}
if(asString.includes('ENV.SMARTWASH_BASE_ID') && !process.env.SMARTWASH_BASE_ID) {
throw new Error('Missing SMARTWASH_BASE_ID');
}
asString = asString.replaceAll('ENV.TEST_CARWASH_BASE_ID', process.env.TEST_CARWASH_BASE_ID ?? '');
asString = asString.replaceAll('ENV.SMARTWASH_BASE_ID', process.env.SMARTWASH_BASE_ID ?? '');
return JSON.parse(asString) as AirtableMappingPlan;
}
return null;
}
}
export const onPendingChangeInTenantEnvironment = inngest.createFunction(
{
id: announceChangesToAirtable.onPendingChangeInTenantEnvironment,
concurrency: {
scope: 'env',
key: `event.data.tenantId + "-" + event.data.environmentId`,
limit: 1
}
},
{event: announceChangesToAirtable.onPendingChangeInTenantEnvironment},
async ({event, step, logger}) => {
const {environmentId, tenantId} = event.data;
const prisma = prismaClient();
const prismaSynchronisationIdRepository = new PrismaSynchronisationIdRepository(prisma, tenantId, environmentId);
const httpAirtableClient = new HttpAirtableClient('https://api.airtable.com/v0', new AirtableAccessTokenProvider(tenantId, environmentId));
const inngestStep = new DelegatingInngestStep(inngest, step);
await handlePendingChangeInTenantEnvironment(prisma, logger, baseIdReplacingMappingFinder(hardCodedMappingFinder), getEarliestNonReplicatedMutationEvent, prismaSynchronisationIdRepository, httpAirtableClient, tenantId, environmentId, inngestStep);
}
);
export const deferredChangeAnnouncement = inngest.createFunction(
{
id: announceChangesToAirtable.deferredChangeAnnouncement,
},
{event: announceChangesToAirtable.deferredChangeAnnouncement},
async ({event, step}) => {
const {environmentId, tenantId} = event.data;
await step.run('waitTwoSeconds', async () => {
await new Promise((resolve) => setTimeout(resolve, 2000));
});
await inngest.send({
name: announceChangesToAirtable.onPendingChangeInTenantEnvironment,
data: {tenantId, environmentId}
});
}
);