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Merge pull request #1794 from FlowiseAI/feature/Upstash 

Feature/Upstash Singleton
This commit is contained in:
Henry Heng 2024-02-23 11:50:20 +08:00 committed by GitHub
parent c31b1c356f 2f4134a291
commit ada19b68a2
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GPG Key ID: B5690EEEBB952194
1 changed files with 21 additions and 2 deletions
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23
packages/components/nodes/memory/UpstashRedisBackedChatMemory/UpstashRedisBackedChatMemory.ts
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@ -1,4 +1,5 @@
import { Redis } from '@upstash/redis'
import { Redis, RedisConfigNodejs } from '@upstash/redis'
import { isEqual } from 'lodash'
import { BufferMemory, BufferMemoryInput } from 'langchain/memory'
import { UpstashRedisChatMessageHistory } from '@langchain/community/stores/message/upstash_redis'
import { mapStoredMessageToChatMessage, AIMessage, HumanMessage, StoredMessage, BaseMessage } from '@langchain/core/messages'
@ -6,6 +7,24 @@ import { FlowiseMemory, IMessage, INode, INodeData, INodeParams, MemoryMethods,
import { convertBaseMessagetoIMessage, getBaseClasses, getCredentialData, getCredentialParam } from '../../../src/utils'
import { ICommonObject } from '../../../src/Interface'
let redisClientSingleton: Redis
let redisClientOption: RedisConfigNodejs
const getRedisClientbyOption = (option: RedisConfigNodejs) => {
if (!redisClientSingleton) {
// if client doesn't exists
redisClientSingleton = new Redis(option)
redisClientOption = option
return redisClientSingleton
} else if (redisClientSingleton && !isEqual(option, redisClientOption)) {
// if client exists but option changed
redisClientSingleton = new Redis(option)
redisClientOption = option
return redisClientSingleton
}
return redisClientSingleton
}
class UpstashRedisBackedChatMemory_Memory implements INode {
label: string
name: string
@ -75,7 +94,7 @@ const initalizeUpstashRedis = async (nodeData: INodeData, options: ICommonObject
const credentialData = await getCredentialData(nodeData.credential ?? '', options)
const upstashRestToken = getCredentialParam('upstashRestToken', credentialData, nodeData)
const client = new Redis({
const client = getRedisClientbyOption({
url: baseURL,
token: upstashRestToken
})