Files
Automata/packages/cli/src/databases/repositories/workflowStatistics.repository.ts
कारतोफ्फेलस्क्रिप्ट™ 8e392cfc1d feat(core): Migrate to n8n's typeorm fork (#8590)
2024-02-08 15:13:29 +01:00

120 lines
4.1 KiB
TypeScript

import { Service } from 'typedi';
import { DataSource, QueryFailedError, Repository } from '@n8n/typeorm';
import config from '@/config';
import { StatisticsNames, WorkflowStatistics } from '../entities/WorkflowStatistics';
import type { User } from '@/databases/entities/User';
import { WorkflowEntity } from '@/databases/entities/WorkflowEntity';
import { SharedWorkflow } from '@/databases/entities/SharedWorkflow';
type StatisticsInsertResult = 'insert' | 'failed' | 'alreadyExists';
type StatisticsUpsertResult = StatisticsInsertResult | 'update';
@Service()
export class WorkflowStatisticsRepository extends Repository<WorkflowStatistics> {
private readonly dbType = config.getEnv('database.type');
constructor(dataSource: DataSource) {
super(WorkflowStatistics, dataSource.manager);
}
async insertWorkflowStatistics(
eventName: StatisticsNames,
workflowId: string,
): Promise<StatisticsInsertResult> {
// Try to insert the data loaded statistic
try {
const exists = await this.findOne({
where: {
workflowId,
name: eventName,
},
});
if (exists) return 'alreadyExists';
await this.insert({
workflowId,
name: eventName,
count: 1,
latestEvent: new Date(),
});
return 'insert';
} catch (error) {
// if it's a duplicate key error then that's fine, otherwise throw the error
if (!(error instanceof QueryFailedError)) {
throw error;
}
// If it is a query failed error, we return
return 'failed';
}
}
async upsertWorkflowStatistics(
eventName: StatisticsNames,
workflowId: string,
): Promise<StatisticsUpsertResult> {
const { tableName } = this.metadata;
try {
if (this.dbType === 'sqlite') {
await this.query(
`INSERT INTO "${tableName}" ("count", "name", "workflowId", "latestEvent")
VALUES (1, "${eventName}", "${workflowId}", CURRENT_TIMESTAMP)
ON CONFLICT (workflowId, name)
DO UPDATE SET count = count + 1, latestEvent = CURRENT_TIMESTAMP`,
);
// SQLite does not offer a reliable way to know whether or not an insert or update happened.
// We'll use a naive approach in this case. Query again after and it might cause us to miss the
// first production execution sometimes due to concurrency, but it's the only way.
const counter = await this.findOne({
select: ['count'],
where: {
name: eventName,
workflowId,
},
});
return counter?.count === 1 ? 'insert' : 'failed';
} else if (this.dbType === 'postgresdb') {
const queryResult = (await this.query(
`INSERT INTO "${tableName}" ("count", "name", "workflowId", "latestEvent")
VALUES (1, '${eventName}', '${workflowId}', CURRENT_TIMESTAMP)
ON CONFLICT ("name", "workflowId")
DO UPDATE SET "count" = "${tableName}"."count" + 1, "latestEvent" = CURRENT_TIMESTAMP
RETURNING *;`,
)) as Array<{
count: number;
}>;
return queryResult[0].count === 1 ? 'insert' : 'update';
} else {
const queryResult = (await this.query(
`INSERT INTO \`${tableName}\` (count, name, workflowId, latestEvent)
VALUES (1, "${eventName}", "${workflowId}", NOW())
ON DUPLICATE KEY
UPDATE count = count + 1, latestEvent = NOW();`,
)) as {
affectedRows: number;
};
// MySQL returns 2 affected rows on update
return queryResult.affectedRows === 1 ? 'insert' : 'update';
}
} catch (error) {
if (error instanceof QueryFailedError) return 'failed';
throw error;
}
}
async queryNumWorkflowsUserHasWithFiveOrMoreProdExecs(userId: User['id']): Promise<number> {
return await this.createQueryBuilder('workflow_statistics')
.innerJoin(WorkflowEntity, 'workflow', 'workflow.id = workflow_statistics.workflowId')
.innerJoin(
SharedWorkflow,
'shared_workflow',
'shared_workflow.workflowId = workflow_statistics.workflowId',
)
.where('shared_workflow.userId = :userId', { userId })
.andWhere('workflow.active = :isActive', { isActive: true })
.andWhere('workflow_statistics.name = :name', { name: StatisticsNames.productionSuccess })
.andWhere('workflow_statistics.count >= 5')
.andWhere('role = :roleName', { roleName: 'workflow:owner' })
.getCount();
}
}