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feat(postgraphql) Add EventListener object to Context object. (#501) #651

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feat(postgraphql) Add EventListener object to Context object. (#501) #651

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4 changes: 3 additions & 1 deletion src/postgraphql/http/createPostGraphQLHttpRequestHandler.js
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Original file line number Diff line number Diff line change
Expand Up @@ -66,7 +66,7 @@ const origGraphiqlHtml = new Promise((resolve, reject) => {
* @param {GraphQLSchema} graphqlSchema
*/
export default function createPostGraphQLHttpRequestHandler (options) {
const { getGqlSchema, pgPool, pgSettings, pgDefaultRole, jwtSecret, jwtAudiences, jwtRole, additionalGraphQLContextFromRequest } = options
const { getGqlSchema, pgPool, pgSettings, pgDefaultRole, jwtSecret, jwtAudiences, jwtRole, additionalGraphQLContextFromRequest, eventListenerFactory } = options

if (pgDefaultRole && typeof pgSettings === 'function') {
throw new Error('pgDefaultRole cannot be combined with pgSettings(req) - please remove pgDefaultRole and instead always return a `role` key from pgSettings(req).')
Expand Down Expand Up @@ -410,6 +410,8 @@ export default function createPostGraphQLHttpRequestHandler (options) {
jwtAudiences,
jwtRole,
pgDefaultRole,
eventListener:
typeof eventListenerFactory === 'function' ? await eventListenerFactory(req, res) : null,
pgSettings:
typeof pgSettings === 'function' ? await pgSettings(req) : pgSettings,
}, context => {
Expand Down
4 changes: 4 additions & 0 deletions src/postgraphql/withPostGraphQLContext.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ import jwt = require('jsonwebtoken')
import { Pool, Client } from 'pg'
import { ExecutionResult } from 'graphql'
import * as sql from 'pg-sql2'
import EventEmitter = require('events')
import { $$pgClient } from '../postgres/inventory/pgClientFromContext'

/**
Expand Down Expand Up @@ -39,6 +40,7 @@ export default async function withPostGraphQLContext(
jwtRole = ['role'],
pgDefaultRole,
pgSettings,
eventListener,
}: {
pgPool: Pool,
jwtToken?: string,
Expand All @@ -47,6 +49,7 @@ export default async function withPostGraphQLContext(
jwtRole: Array<string>,
pgDefaultRole?: string,
pgSettings?: { [key: string]: mixed },
eventListener: (event: string) => Promise<EventEmitter>,
},
callback: (context: mixed) => Promise<ExecutionResult>,
): Promise<ExecutionResult> {
Expand All @@ -73,6 +76,7 @@ export default async function withPostGraphQLContext(

return await callback({
[$$pgClient]: pgClient,
eventListener,
pgRole,
})
}
Expand Down