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feat:Adds new Param in getChatMessages for better context handling #4273

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feat:Adds new Param in getChatMessages for better context handling #4273

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086be60
Adds Current Message Param in getChatMessages to use Mem0 more effect…
whysosaket Apr 9, 2025
46935cf
Merge branch 'main' into feature/mem0-search
whysosaket Apr 28, 2025
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13 changes: 10 additions & 3 deletions packages/components/nodes/chains/ConversationChain/ConversationChain.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,8 @@ import {
INodeData,
INodeParams,
MessageContentImageUrl,
IServerSideEventStreamer
IServerSideEventStreamer,
IMessage
} from '../../../src/Interface'
import { ConsoleCallbackHandler, CustomChainHandler, additionalCallbacks } from '../../../src/handler'
import { getBaseClasses, handleEscapeCharacters, transformBracesWithColon } from '../../../src/utils'
Expand Down Expand Up @@ -260,8 +261,14 @@ const prepareChain = async (nodeData: INodeData, options: ICommonObject, session
const conversationChain = RunnableSequence.from([
{
[inputKey]: (input: { input: string }) => input.input,
[memoryKey]: async () => {
const history = await memory.getChatMessages(sessionId, true, prependMessages)
[memoryKey]: async (input: { input: string }) => {
const currentMessages = [
{
message: input.input,
type: 'userMessage'
}
] as IMessage[]
const history = await memory.getChatMessages(sessionId, true, prependMessages, currentMessages)
return history
},
...promptVariables
Expand Down
10 changes: 8 additions & 2 deletions packages/components/nodes/memory/Mem0/Mem0.ts
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Expand Up @@ -290,7 +290,8 @@ class Mem0MemoryExtended extends BaseMem0Memory implements MemoryMethods {
async getChatMessages(
overrideUserId = '',
returnBaseMessages = false,
prependMessages?: IMessage[]
prependMessages?: IMessage[],
currentMessages?: IMessage[]
): Promise<IMessage[] | BaseMessage[]> {
const flowiseSessionId = overrideUserId
if (!flowiseSessionId) {
Expand Down Expand Up @@ -322,7 +323,12 @@ class Mem0MemoryExtended extends BaseMem0Memory implements MemoryMethods {
}

if (returnBaseMessages) {
const memoryVariables = await this.loadMemoryVariables({}, overrideUserId)
const memoryVariables = await this.loadMemoryVariables(
{
[this.inputKey]: currentMessages?.[0]?.message ?? ''
},
overrideUserId
)
const mem0History = memoryVariables[this.memoryKey]

if (mem0History && typeof mem0History === 'string') {
Expand Down
3 changes: 2 additions & 1 deletion packages/components/src/Interface.ts
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Expand Up @@ -347,7 +347,8 @@ export abstract class FlowiseMemory extends BufferMemory implements MemoryMethod
abstract getChatMessages(
overrideSessionId?: string,
returnBaseMessages?: boolean,
prependMessages?: IMessage[]
prependMessages?: IMessage[],
currentMessages?: IMessage[]
): Promise<IMessage[] | BaseMessage[]>
abstract addChatMessages(msgArray: { text: string; type: MessageType }[], overrideSessionId?: string): Promise<void>
abstract clearChatMessages(overrideSessionId?: string): Promise<void>
Expand Down