From e8deeb25cff10b8d17393de3632b6febcee8c336 Mon Sep 17 00:00:00 2001
From: Anuj Verma <42962743+Ashes47@users.noreply.github.com>
Date: Sun, 28 Jan 2024 19:45:19 +0530
Subject: [PATCH 1/6] Update MongoDBMemory.ts
---
.../memory/MongoDBMemory/MongoDBMemory.ts | 145 +++++++++---------
1 file changed, 76 insertions(+), 69 deletions(-)
diff --git a/packages/components/nodes/memory/MongoDBMemory/MongoDBMemory.ts b/packages/components/nodes/memory/MongoDBMemory/MongoDBMemory.ts
index c593c20d..b35de5ae 100644
--- a/packages/components/nodes/memory/MongoDBMemory/MongoDBMemory.ts
+++ b/packages/components/nodes/memory/MongoDBMemory/MongoDBMemory.ts
@@ -1,9 +1,19 @@
-import { MongoClient, Collection, Document } from 'mongodb'
-import { MongoDBChatMessageHistory } from 'langchain/stores/message/mongodb'
-import { BufferMemory, BufferMemoryInput } from 'langchain/memory'
-import { mapStoredMessageToChatMessage, AIMessage, HumanMessage, BaseMessage } from 'langchain/schema'
-import { convertBaseMessagetoIMessage, getBaseClasses, getCredentialData, getCredentialParam } from '../../../src/utils'
-import { FlowiseMemory, ICommonObject, IMessage, INode, INodeData, INodeParams, MemoryMethods, MessageType } from '../../../src/Interface'
+import { MongoClient, Collection, Document } from 'mongodb';
+import { MongoDBChatMessageHistory } from 'langchain/stores/message/mongodb';
+import { BufferMemory, BufferMemoryInput } from 'langchain/memory';
+import { mapStoredMessageToChatMessage, AIMessage, HumanMessage, BaseMessage } from 'langchain/schema';
+import { convertBaseMessagetoIMessage, getBaseClasses, getCredentialData, getCredentialParam } from '../../../src/utils';
+import { FlowiseMemory, ICommonObject, IMessage, INode, INodeData, INodeParams, MemoryMethods, MessageType } from '../../../src/Interface';
+
+let mongoClientSingleton = null;
+
+const getMongoClient = async (mongoDBConnectUrl) => {
+ if (!mongoClientSingleton) {
+ mongoClientSingleton = new MongoClient(mongoDBConnectUrl, { useNewUrlParser: true, useUnifiedTopology: true });
+ await mongoClientSingleton.connect();
+ }
+ return mongoClientSingleton;
+};
class MongoDB_Memory implements INode {
label: string
@@ -18,20 +28,20 @@ class MongoDB_Memory implements INode {
inputs: INodeParams[]
constructor() {
- this.label = 'MongoDB Atlas Chat Memory'
- this.name = 'MongoDBAtlasChatMemory'
- this.version = 1.0
- this.type = 'MongoDBAtlasChatMemory'
- this.icon = 'mongodb.svg'
- this.category = 'Memory'
- this.description = 'Stores the conversation in MongoDB Atlas'
- this.baseClasses = [this.type, ...getBaseClasses(BufferMemory)]
+ this.label = 'MongoDB Atlas Chat Memory';
+ this.name = 'MongoDBAtlasChatMemory';
+ this.version = 1.0;
+ this.type = 'MongoDBAtlasChatMemory';
+ this.icon = 'mongodb.svg';
+ this.category = 'Memory';
+ this.description = 'Stores the conversation in MongoDB Atlas';
+ this.baseClasses = [this.type, ...getBaseClasses(BufferMemory)];
this.credential = {
label: 'Connect Credential',
name: 'credential',
type: 'credential',
credentialNames: ['mongoDBUrlApi']
- }
+ };
this.inputs = [
{
label: 'Database',
@@ -49,8 +59,7 @@ class MongoDB_Memory implements INode {
label: 'Session Id',
name: 'sessionId',
type: 'string',
- description:
- 'If not specified, a random id will be used. Learn more',
+ description: 'If not specified, a random id will be used. Learn more',
default: '',
additionalParams: true,
optional: true
@@ -62,128 +71,126 @@ class MongoDB_Memory implements INode {
default: 'chat_history',
additionalParams: true
}
- ]
+ ];
}
async init(nodeData: INodeData, _: string, options: ICommonObject): Promise {
- return initializeMongoDB(nodeData, options)
+ return initializeMongoDB(nodeData, options);
}
}
const initializeMongoDB = async (nodeData: INodeData, options: ICommonObject): Promise => {
- const databaseName = nodeData.inputs?.databaseName as string
- const collectionName = nodeData.inputs?.collectionName as string
- const memoryKey = nodeData.inputs?.memoryKey as string
- const sessionId = nodeData.inputs?.sessionId as string
+ const databaseName = nodeData.inputs?.databaseName as string;
+ const collectionName = nodeData.inputs?.collectionName as string;
+ const memoryKey = nodeData.inputs?.memoryKey as string;
+ const sessionId = nodeData.inputs?.sessionId as string;
- const credentialData = await getCredentialData(nodeData.credential ?? '', options)
- const mongoDBConnectUrl = getCredentialParam('mongoDBConnectUrl', credentialData, nodeData)
+ const credentialData = await getCredentialData(nodeData.credential ?? '', options);
+ const mongoDBConnectUrl = getCredentialParam('mongoDBConnectUrl', credentialData, nodeData);
- const client = new MongoClient(mongoDBConnectUrl)
- await client.connect()
-
- const collection = client.db(databaseName).collection(collectionName)
+ const client = await getMongoClient(mongoDBConnectUrl);
+ const collection = client.db(databaseName).collection(collectionName);
const mongoDBChatMessageHistory = new MongoDBChatMessageHistory({
collection,
sessionId
- })
+ });
mongoDBChatMessageHistory.getMessages = async (): Promise => {
const document = await collection.findOne({
sessionId: (mongoDBChatMessageHistory as any).sessionId
- })
- const messages = document?.messages || []
- return messages.map(mapStoredMessageToChatMessage)
- }
+ });
+ const messages = document?.messages || [];
+ return messages.map(mapStoredMessageToChatMessage);
+ };
mongoDBChatMessageHistory.addMessage = async (message: BaseMessage): Promise => {
- const messages = [message].map((msg) => msg.toDict())
+ const messages = [message].map((msg) => msg.toDict());
await collection.updateOne(
{ sessionId: (mongoDBChatMessageHistory as any).sessionId },
{
$push: { messages: { $each: messages } }
},
{ upsert: true }
- )
- }
+ );
+ };
mongoDBChatMessageHistory.clear = async (): Promise => {
- await collection.deleteOne({ sessionId: (mongoDBChatMessageHistory as any).sessionId })
- }
+ await collection.deleteOne({ sessionId: (mongoDBChatMessageHistory as any).sessionId });
+ };
return new BufferMemoryExtended({
memoryKey: memoryKey ?? 'chat_history',
chatHistory: mongoDBChatMessageHistory,
sessionId,
collection
- })
-}
+ });
+};
interface BufferMemoryExtendedInput {
- collection: Collection
- sessionId: string
+ collection: Collection;
+ sessionId: string;
}
class BufferMemoryExtended extends FlowiseMemory implements MemoryMethods {
- sessionId = ''
- collection: Collection
+ sessionId = '';
+ collection: Collection;
constructor(fields: BufferMemoryInput & BufferMemoryExtendedInput) {
- super(fields)
- this.sessionId = fields.sessionId
- this.collection = fields.collection
+ super(fields);
+ this.sessionId = fields.sessionId;
+ this.collection = fields.collection;
}
async getChatMessages(overrideSessionId = '', returnBaseMessages = false): Promise {
- if (!this.collection) return []
+ if (!this.collection) return [];
- const id = overrideSessionId ?? this.sessionId
- const document = await this.collection.findOne({ sessionId: id })
- const messages = document?.messages || []
- const baseMessages = messages.map(mapStoredMessageToChatMessage)
- return returnBaseMessages ? baseMessages : convertBaseMessagetoIMessage(baseMessages)
+ const id = overrideSessionId ?? this.sessionId;
+ const document = await this.collection.findOne({ sessionId: id });
+ const messages = document?.messages || [];
+ const baseMessages = messages.map(mapStoredMessageToChatMessage);
+ return returnBaseMessages ? baseMessages : convertBaseMessagetoIMessage(baseMessages);
}
async addChatMessages(msgArray: { text: string; type: MessageType }[], overrideSessionId = ''): Promise {
- if (!this.collection) return
+ if (!this.collection) return;
- const id = overrideSessionId ?? this.sessionId
- const input = msgArray.find((msg) => msg.type === 'userMessage')
- const output = msgArray.find((msg) => msg.type === 'apiMessage')
+ const id = overrideSessionId ?? this.sessionId;
+ const input = msgArray.find((msg) => msg.type === 'userMessage');
+ const output = msgArray.find((msg) => msg.type === 'apiMessage');
if (input) {
- const newInputMessage = new HumanMessage(input.text)
- const messageToAdd = [newInputMessage].map((msg) => msg.toDict())
+ const newInputMessage = new HumanMessage(input.text);
+ const messageToAdd = [newInputMessage].map((msg) => msg.toDict());
await this.collection.updateOne(
{ sessionId: id },
{
$push: { messages: { $each: messageToAdd } }
},
{ upsert: true }
- )
+ );
}
if (output) {
- const newOutputMessage = new AIMessage(output.text)
- const messageToAdd = [newOutputMessage].map((msg) => msg.toDict())
+ const newOutputMessage = new AIMessage(output.text);
+ const messageToAdd = [newOutputMessage].map((msg) => msg.toDict());
await this.collection.updateOne(
{ sessionId: id },
{
$push: { messages: { $each: messageToAdd } }
},
{ upsert: true }
- )
+ );
}
}
async clearChatMessages(overrideSessionId = ''): Promise {
- if (!this.collection) return
+ if (!this.collection) return;
- const id = overrideSessionId ?? this.sessionId
- await this.collection.deleteOne({ sessionId: id })
- await this.clear()
+ const id = overrideSessionId ?? this.sessionId;
+ await this.collection.deleteOne({ sessionId: id });
+ await this.clear();
}
}
-module.exports = { nodeClass: MongoDB_Memory }
+module.exports = { nodeClass: MongoDB_Memory };
From e154461f1dac59415f867ed5acee7e0f6d195cdb Mon Sep 17 00:00:00 2001
From: Anuj Verma <42962743+Ashes47@users.noreply.github.com>
Date: Sun, 28 Jan 2024 21:33:09 +0530
Subject: [PATCH 2/6] Update MongoDBMemory.ts
---
.../memory/MongoDBMemory/MongoDBMemory.ts | 22 +++++++++----------
1 file changed, 11 insertions(+), 11 deletions(-)
diff --git a/packages/components/nodes/memory/MongoDBMemory/MongoDBMemory.ts b/packages/components/nodes/memory/MongoDBMemory/MongoDBMemory.ts
index b35de5ae..c2c7ada6 100644
--- a/packages/components/nodes/memory/MongoDBMemory/MongoDBMemory.ts
+++ b/packages/components/nodes/memory/MongoDBMemory/MongoDBMemory.ts
@@ -1,19 +1,19 @@
-import { MongoClient, Collection, Document } from 'mongodb';
-import { MongoDBChatMessageHistory } from 'langchain/stores/message/mongodb';
-import { BufferMemory, BufferMemoryInput } from 'langchain/memory';
-import { mapStoredMessageToChatMessage, AIMessage, HumanMessage, BaseMessage } from 'langchain/schema';
-import { convertBaseMessagetoIMessage, getBaseClasses, getCredentialData, getCredentialParam } from '../../../src/utils';
-import { FlowiseMemory, ICommonObject, IMessage, INode, INodeData, INodeParams, MemoryMethods, MessageType } from '../../../src/Interface';
+import { MongoClient, Collection, Document } from 'mongodb'
+import { MongoDBChatMessageHistory } from 'langchain/stores/message/mongodb'
+import { BufferMemory, BufferMemoryInput } from 'langchain/memory'
+import { mapStoredMessageToChatMessage, AIMessage, HumanMessage, BaseMessage } from 'langchain/schema'
+import { convertBaseMessagetoIMessage, getBaseClasses, getCredentialData, getCredentialParam } from '../../../src/utils'
+import { FlowiseMemory, ICommonObject, IMessage, INode, INodeData, INodeParams, MemoryMethods, MessageType } from '../../../src/Interface'
-let mongoClientSingleton = null;
+let mongoClientSingleton = null
const getMongoClient = async (mongoDBConnectUrl) => {
if (!mongoClientSingleton) {
- mongoClientSingleton = new MongoClient(mongoDBConnectUrl, { useNewUrlParser: true, useUnifiedTopology: true });
- await mongoClientSingleton.connect();
+ mongoClientSingleton = new MongoClient(mongoDBConnectUrl, { useNewUrlParser: true, useUnifiedTopology: true })
+ await mongoClientSingleton.connect()
}
- return mongoClientSingleton;
-};
+ return mongoClientSingleton
+}
class MongoDB_Memory implements INode {
label: string
From 36ab1681ac455a5cea1482e98d9765eaf3042071 Mon Sep 17 00:00:00 2001
From: Ashes47
Date: Sun, 28 Jan 2024 21:39:22 +0530
Subject: [PATCH 3/6] lint
---
.../memory/MongoDBMemory/MongoDBMemory.ts | 121 +++++++++---------
1 file changed, 61 insertions(+), 60 deletions(-)
diff --git a/packages/components/nodes/memory/MongoDBMemory/MongoDBMemory.ts b/packages/components/nodes/memory/MongoDBMemory/MongoDBMemory.ts
index c2c7ada6..3c2903f3 100644
--- a/packages/components/nodes/memory/MongoDBMemory/MongoDBMemory.ts
+++ b/packages/components/nodes/memory/MongoDBMemory/MongoDBMemory.ts
@@ -28,20 +28,20 @@ class MongoDB_Memory implements INode {
inputs: INodeParams[]
constructor() {
- this.label = 'MongoDB Atlas Chat Memory';
- this.name = 'MongoDBAtlasChatMemory';
- this.version = 1.0;
- this.type = 'MongoDBAtlasChatMemory';
- this.icon = 'mongodb.svg';
- this.category = 'Memory';
- this.description = 'Stores the conversation in MongoDB Atlas';
- this.baseClasses = [this.type, ...getBaseClasses(BufferMemory)];
+ this.label = 'MongoDB Atlas Chat Memory'
+ this.name = 'MongoDBAtlasChatMemory'
+ this.version = 1.0
+ this.type = 'MongoDBAtlasChatMemory'
+ this.icon = 'mongodb.svg'
+ this.category = 'Memory'
+ this.description = 'Stores the conversation in MongoDB Atlas'
+ this.baseClasses = [this.type, ...getBaseClasses(BufferMemory)]
this.credential = {
label: 'Connect Credential',
name: 'credential',
type: 'credential',
credentialNames: ['mongoDBUrlApi']
- };
+ }
this.inputs = [
{
label: 'Database',
@@ -59,7 +59,8 @@ class MongoDB_Memory implements INode {
label: 'Session Id',
name: 'sessionId',
type: 'string',
- description: 'If not specified, a random id will be used. Learn more',
+ description:
+ 'If not specified, a random id will be used. Learn more',
default: '',
additionalParams: true,
optional: true
@@ -71,126 +72,126 @@ class MongoDB_Memory implements INode {
default: 'chat_history',
additionalParams: true
}
- ];
+ ]
}
async init(nodeData: INodeData, _: string, options: ICommonObject): Promise {
- return initializeMongoDB(nodeData, options);
+ return initializeMongoDB(nodeData, options)
}
}
const initializeMongoDB = async (nodeData: INodeData, options: ICommonObject): Promise => {
- const databaseName = nodeData.inputs?.databaseName as string;
- const collectionName = nodeData.inputs?.collectionName as string;
- const memoryKey = nodeData.inputs?.memoryKey as string;
- const sessionId = nodeData.inputs?.sessionId as string;
+ const databaseName = nodeData.inputs?.databaseName as string
+ const collectionName = nodeData.inputs?.collectionName as string
+ const memoryKey = nodeData.inputs?.memoryKey as string
+ const sessionId = nodeData.inputs?.sessionId as string
- const credentialData = await getCredentialData(nodeData.credential ?? '', options);
- const mongoDBConnectUrl = getCredentialParam('mongoDBConnectUrl', credentialData, nodeData);
+ const credentialData = await getCredentialData(nodeData.credential ?? '', options)
+ const mongoDBConnectUrl = getCredentialParam('mongoDBConnectUrl', credentialData, nodeData)
- const client = await getMongoClient(mongoDBConnectUrl);
- const collection = client.db(databaseName).collection(collectionName);
+ const client = await getMongoClient(mongoDBConnectUrl)
+ const collection = client.db(databaseName).collection(collectionName)
const mongoDBChatMessageHistory = new MongoDBChatMessageHistory({
collection,
sessionId
- });
+ })
mongoDBChatMessageHistory.getMessages = async (): Promise => {
const document = await collection.findOne({
sessionId: (mongoDBChatMessageHistory as any).sessionId
- });
- const messages = document?.messages || [];
- return messages.map(mapStoredMessageToChatMessage);
- };
+ })
+ const messages = document?.messages || []
+ return messages.map(mapStoredMessageToChatMessage)
+ }
mongoDBChatMessageHistory.addMessage = async (message: BaseMessage): Promise => {
- const messages = [message].map((msg) => msg.toDict());
+ const messages = [message].map((msg) => msg.toDict())
await collection.updateOne(
{ sessionId: (mongoDBChatMessageHistory as any).sessionId },
{
$push: { messages: { $each: messages } }
},
{ upsert: true }
- );
- };
+ )
+ }
mongoDBChatMessageHistory.clear = async (): Promise => {
- await collection.deleteOne({ sessionId: (mongoDBChatMessageHistory as any).sessionId });
- };
+ await collection.deleteOne({ sessionId: (mongoDBChatMessageHistory as any).sessionId })
+ }
return new BufferMemoryExtended({
memoryKey: memoryKey ?? 'chat_history',
chatHistory: mongoDBChatMessageHistory,
sessionId,
collection
- });
-};
+ })
+}
interface BufferMemoryExtendedInput {
- collection: Collection;
- sessionId: string;
+ collection: Collection
+ sessionId: string
}
class BufferMemoryExtended extends FlowiseMemory implements MemoryMethods {
- sessionId = '';
- collection: Collection;
+ sessionId = ''
+ collection: Collection
constructor(fields: BufferMemoryInput & BufferMemoryExtendedInput) {
- super(fields);
- this.sessionId = fields.sessionId;
- this.collection = fields.collection;
+ super(fields)
+ this.sessionId = fields.sessionId
+ this.collection = fields.collection
}
async getChatMessages(overrideSessionId = '', returnBaseMessages = false): Promise {
- if (!this.collection) return [];
+ if (!this.collection) return []
- const id = overrideSessionId ?? this.sessionId;
- const document = await this.collection.findOne({ sessionId: id });
- const messages = document?.messages || [];
- const baseMessages = messages.map(mapStoredMessageToChatMessage);
- return returnBaseMessages ? baseMessages : convertBaseMessagetoIMessage(baseMessages);
+ const id = overrideSessionId ?? this.sessionId
+ const document = await this.collection.findOne({ sessionId: id })
+ const messages = document?.messages || []
+ const baseMessages = messages.map(mapStoredMessageToChatMessage)
+ return returnBaseMessages ? baseMessages : convertBaseMessagetoIMessage(baseMessages)
}
async addChatMessages(msgArray: { text: string; type: MessageType }[], overrideSessionId = ''): Promise {
- if (!this.collection) return;
+ if (!this.collection) return
- const id = overrideSessionId ?? this.sessionId;
- const input = msgArray.find((msg) => msg.type === 'userMessage');
- const output = msgArray.find((msg) => msg.type === 'apiMessage');
+ const id = overrideSessionId ?? this.sessionId
+ const input = msgArray.find((msg) => msg.type === 'userMessage')
+ const output = msgArray.find((msg) => msg.type === 'apiMessage')
if (input) {
- const newInputMessage = new HumanMessage(input.text);
- const messageToAdd = [newInputMessage].map((msg) => msg.toDict());
+ const newInputMessage = new HumanMessage(input.text)
+ const messageToAdd = [newInputMessage].map((msg) => msg.toDict())
await this.collection.updateOne(
{ sessionId: id },
{
$push: { messages: { $each: messageToAdd } }
},
{ upsert: true }
- );
+ )
}
if (output) {
- const newOutputMessage = new AIMessage(output.text);
- const messageToAdd = [newOutputMessage].map((msg) => msg.toDict());
+ const newOutputMessage = new AIMessage(output.text)
+ const messageToAdd = [newOutputMessage].map((msg) => msg.toDict())
await this.collection.updateOne(
{ sessionId: id },
{
$push: { messages: { $each: messageToAdd } }
},
{ upsert: true }
- );
+ )
}
}
async clearChatMessages(overrideSessionId = ''): Promise {
- if (!this.collection) return;
+ if (!this.collection) return
- const id = overrideSessionId ?? this.sessionId;
- await this.collection.deleteOne({ sessionId: id });
- await this.clear();
+ const id = overrideSessionId ?? this.sessionId
+ await this.collection.deleteOne({ sessionId: id })
+ await this.clear()
}
}
-module.exports = { nodeClass: MongoDB_Memory };
+module.exports = { nodeClass: MongoDB_Memory }
From 51388d50577f11b6d6757d1bbeb29e5d1f01db2f Mon Sep 17 00:00:00 2001
From: Ashes47
Date: Sun, 28 Jan 2024 21:48:15 +0530
Subject: [PATCH 4/6] update
---
.../nodes/memory/MongoDBMemory/MongoDBMemory.ts | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/packages/components/nodes/memory/MongoDBMemory/MongoDBMemory.ts b/packages/components/nodes/memory/MongoDBMemory/MongoDBMemory.ts
index 3c2903f3..7399ad81 100644
--- a/packages/components/nodes/memory/MongoDBMemory/MongoDBMemory.ts
+++ b/packages/components/nodes/memory/MongoDBMemory/MongoDBMemory.ts
@@ -5,12 +5,15 @@ import { mapStoredMessageToChatMessage, AIMessage, HumanMessage, BaseMessage } f
import { convertBaseMessagetoIMessage, getBaseClasses, getCredentialData, getCredentialParam } from '../../../src/utils'
import { FlowiseMemory, ICommonObject, IMessage, INode, INodeData, INodeParams, MemoryMethods, MessageType } from '../../../src/Interface'
-let mongoClientSingleton = null
+let mongoClientSingleton: MongoClient
+let mongoUrl: string
-const getMongoClient = async (mongoDBConnectUrl) => {
- if (!mongoClientSingleton) {
- mongoClientSingleton = new MongoClient(mongoDBConnectUrl, { useNewUrlParser: true, useUnifiedTopology: true })
+const getMongoClient = async (newMongoUrl: string) => {
+ if (!mongoClientSingleton || newMongoUrl !== mongoUrl) {
+ mongoClientSingleton = new MongoClient(newMongoUrl)
+ mongoUrl = newMongoUrl
await mongoClientSingleton.connect()
+ return mongoClientSingleton
}
return mongoClientSingleton
}
From 1c108f35999a490c1d3727cdfb32736765d62587 Mon Sep 17 00:00:00 2001
From: Ashes47
Date: Sun, 28 Jan 2024 21:51:27 +0530
Subject: [PATCH 5/6] update
---
.../nodes/memory/MongoDBMemory/MongoDBMemory.ts | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/packages/components/nodes/memory/MongoDBMemory/MongoDBMemory.ts b/packages/components/nodes/memory/MongoDBMemory/MongoDBMemory.ts
index 7399ad81..b7309dcd 100644
--- a/packages/components/nodes/memory/MongoDBMemory/MongoDBMemory.ts
+++ b/packages/components/nodes/memory/MongoDBMemory/MongoDBMemory.ts
@@ -9,15 +9,20 @@ let mongoClientSingleton: MongoClient
let mongoUrl: string
const getMongoClient = async (newMongoUrl: string) => {
- if (!mongoClientSingleton || newMongoUrl !== mongoUrl) {
+ if (!mongoClientSingleton) {
+ // if client doesn't exists
+ mongoClientSingleton = new MongoClient(newMongoUrl)
+ mongoUrl = newMongoUrl
+ return mongoClientSingleton
+ } else if (mongoClientSingleton && newMongoUrl !== mongoUrl) {
+ // if client exists but url changed
+ mongoClientSingleton.close()
mongoClientSingleton = new MongoClient(newMongoUrl)
mongoUrl = newMongoUrl
- await mongoClientSingleton.connect()
return mongoClientSingleton
}
return mongoClientSingleton
}
-
class MongoDB_Memory implements INode {
label: string
name: string
From 393f9b57c69e1405731f7a9014a6b790713fd772 Mon Sep 17 00:00:00 2001
From: Henry
Date: Sun, 28 Jan 2024 17:18:18 +0000
Subject: [PATCH 6/6] use singleton redis connection
---
.../nodes/cache/RedisCache/RedisCache.ts | 43 ++++++++++++-
.../cache/RedisCache/RedisEmbeddingsCache.ts | 43 ++++++++++++-
.../RedisBackedChatMemory.ts | 61 ++++++++++++-------
.../nodes/vectorstores/Qdrant/Qdrant.ts | 7 ---
.../nodes/vectorstores/Redis/Redis.ts | 31 ++++++++--
.../vectorstores/Redis/RedisSearchBase.ts | 28 +++++++--
.../vectorstores/Redis/Redis_Existing.ts | 1 -
.../nodes/vectorstores/Redis/Redis_Upsert.ts | 1 -
8 files changed, 169 insertions(+), 46 deletions(-)
diff --git a/packages/components/nodes/cache/RedisCache/RedisCache.ts b/packages/components/nodes/cache/RedisCache/RedisCache.ts
index 4e61c239..c93adf58 100644
--- a/packages/components/nodes/cache/RedisCache/RedisCache.ts
+++ b/packages/components/nodes/cache/RedisCache/RedisCache.ts
@@ -1,9 +1,46 @@
import { getBaseClasses, getCredentialData, getCredentialParam, ICommonObject, INode, INodeData, INodeParams } from '../../../src'
import { RedisCache as LangchainRedisCache } from 'langchain/cache/ioredis'
-import { Redis } from 'ioredis'
+import { Redis, RedisOptions } from 'ioredis'
+import { isEqual } from 'lodash'
import { Generation, ChatGeneration, StoredGeneration, mapStoredMessageToChatMessage } from 'langchain/schema'
import hash from 'object-hash'
+let redisClientSingleton: Redis
+let redisClientOption: RedisOptions
+let redisClientUrl: string
+
+const getRedisClientbyOption = (option: RedisOptions) => {
+ 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.quit()
+ redisClientSingleton = new Redis(option)
+ redisClientOption = option
+ return redisClientSingleton
+ }
+ return redisClientSingleton
+}
+
+const getRedisClientbyUrl = (url: string) => {
+ if (!redisClientSingleton) {
+ // if client doesn't exists
+ redisClientSingleton = new Redis(url)
+ redisClientUrl = url
+ return redisClientSingleton
+ } else if (redisClientSingleton && url !== redisClientUrl) {
+ // if client exists but option changed
+ redisClientSingleton.quit()
+ redisClientSingleton = new Redis(url)
+ redisClientUrl = url
+ return redisClientSingleton
+ }
+ return redisClientSingleton
+}
+
class RedisCache implements INode {
label: string
name: string
@@ -60,7 +97,7 @@ class RedisCache implements INode {
const tlsOptions = sslEnabled === true ? { tls: { rejectUnauthorized: false } } : {}
- client = new Redis({
+ client = getRedisClientbyOption({
port: portStr ? parseInt(portStr) : 6379,
host,
username,
@@ -68,7 +105,7 @@ class RedisCache implements INode {
...tlsOptions
})
} else {
- client = new Redis(redisUrl)
+ client = getRedisClientbyUrl(redisUrl)
}
const redisClient = new LangchainRedisCache(client)
diff --git a/packages/components/nodes/cache/RedisCache/RedisEmbeddingsCache.ts b/packages/components/nodes/cache/RedisCache/RedisEmbeddingsCache.ts
index fe1b4df8..b74413fe 100644
--- a/packages/components/nodes/cache/RedisCache/RedisEmbeddingsCache.ts
+++ b/packages/components/nodes/cache/RedisCache/RedisEmbeddingsCache.ts
@@ -1,9 +1,46 @@
import { getBaseClasses, getCredentialData, getCredentialParam, ICommonObject, INode, INodeData, INodeParams } from '../../../src'
-import { Redis } from 'ioredis'
+import { Redis, RedisOptions } from 'ioredis'
+import { isEqual } from 'lodash'
import { CacheBackedEmbeddings } from 'langchain/embeddings/cache_backed'
import { RedisByteStore } from 'langchain/storage/ioredis'
import { Embeddings } from 'langchain/embeddings/base'
+let redisClientSingleton: Redis
+let redisClientOption: RedisOptions
+let redisClientUrl: string
+
+const getRedisClientbyOption = (option: RedisOptions) => {
+ 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.quit()
+ redisClientSingleton = new Redis(option)
+ redisClientOption = option
+ return redisClientSingleton
+ }
+ return redisClientSingleton
+}
+
+const getRedisClientbyUrl = (url: string) => {
+ if (!redisClientSingleton) {
+ // if client doesn't exists
+ redisClientSingleton = new Redis(url)
+ redisClientUrl = url
+ return redisClientSingleton
+ } else if (redisClientSingleton && url !== redisClientUrl) {
+ // if client exists but option changed
+ redisClientSingleton.quit()
+ redisClientSingleton = new Redis(url)
+ redisClientUrl = url
+ return redisClientSingleton
+ }
+ return redisClientSingleton
+}
+
class RedisEmbeddingsCache implements INode {
label: string
name: string
@@ -75,7 +112,7 @@ class RedisEmbeddingsCache implements INode {
const tlsOptions = sslEnabled === true ? { tls: { rejectUnauthorized: false } } : {}
- client = new Redis({
+ client = getRedisClientbyOption({
port: portStr ? parseInt(portStr) : 6379,
host,
username,
@@ -83,7 +120,7 @@ class RedisEmbeddingsCache implements INode {
...tlsOptions
})
} else {
- client = new Redis(redisUrl)
+ client = getRedisClientbyUrl(redisUrl)
}
ttl ??= '3600'
diff --git a/packages/components/nodes/memory/RedisBackedChatMemory/RedisBackedChatMemory.ts b/packages/components/nodes/memory/RedisBackedChatMemory/RedisBackedChatMemory.ts
index baf4ea6b..c54e07b5 100644
--- a/packages/components/nodes/memory/RedisBackedChatMemory/RedisBackedChatMemory.ts
+++ b/packages/components/nodes/memory/RedisBackedChatMemory/RedisBackedChatMemory.ts
@@ -1,10 +1,47 @@
-import { Redis } from 'ioredis'
+import { Redis, RedisOptions } from 'ioredis'
+import { isEqual } from 'lodash'
import { BufferMemory, BufferMemoryInput } from 'langchain/memory'
import { RedisChatMessageHistory, RedisChatMessageHistoryInput } from 'langchain/stores/message/ioredis'
import { mapStoredMessageToChatMessage, BaseMessage, AIMessage, HumanMessage } from 'langchain/schema'
import { INode, INodeData, INodeParams, ICommonObject, MessageType, IMessage, MemoryMethods, FlowiseMemory } from '../../../src/Interface'
import { convertBaseMessagetoIMessage, getBaseClasses, getCredentialData, getCredentialParam } from '../../../src/utils'
+let redisClientSingleton: Redis
+let redisClientOption: RedisOptions
+let redisClientUrl: string
+
+const getRedisClientbyOption = (option: RedisOptions) => {
+ 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.quit()
+ redisClientSingleton = new Redis(option)
+ redisClientOption = option
+ return redisClientSingleton
+ }
+ return redisClientSingleton
+}
+
+const getRedisClientbyUrl = (url: string) => {
+ if (!redisClientSingleton) {
+ // if client doesn't exists
+ redisClientSingleton = new Redis(url)
+ redisClientUrl = url
+ return redisClientSingleton
+ } else if (redisClientSingleton && url !== redisClientUrl) {
+ // if client exists but option changed
+ redisClientSingleton.quit()
+ redisClientSingleton = new Redis(url)
+ redisClientUrl = url
+ return redisClientSingleton
+ }
+ return redisClientSingleton
+}
+
class RedisBackedChatMemory_Memory implements INode {
label: string
name: string
@@ -95,7 +132,7 @@ const initalizeRedis = async (nodeData: INodeData, options: ICommonObject): Prom
const tlsOptions = sslEnabled === true ? { tls: { rejectUnauthorized: false } } : {}
- client = new Redis({
+ client = getRedisClientbyOption({
port: portStr ? parseInt(portStr) : 6379,
host,
username,
@@ -103,7 +140,7 @@ const initalizeRedis = async (nodeData: INodeData, options: ICommonObject): Prom
...tlsOptions
})
} else {
- client = new Redis(redisUrl)
+ client = getRedisClientbyUrl(redisUrl)
}
let obj: RedisChatMessageHistoryInput = {
@@ -120,24 +157,6 @@ const initalizeRedis = async (nodeData: INodeData, options: ICommonObject): Prom
const redisChatMessageHistory = new RedisChatMessageHistory(obj)
- /*redisChatMessageHistory.getMessages = async (): Promise => {
- const rawStoredMessages = await client.lrange((redisChatMessageHistory as any).sessionId, windowSize ? -windowSize : 0, -1)
- const orderedMessages = rawStoredMessages.reverse().map((message) => JSON.parse(message))
- return orderedMessages.map(mapStoredMessageToChatMessage)
- }
-
- redisChatMessageHistory.addMessage = async (message: BaseMessage): Promise => {
- const messageToAdd = [message].map((msg) => msg.toDict())
- await client.lpush((redisChatMessageHistory as any).sessionId, JSON.stringify(messageToAdd[0]))
- if (sessionTTL) {
- await client.expire((redisChatMessageHistory as any).sessionId, sessionTTL)
- }
- }
-
- redisChatMessageHistory.clear = async (): Promise => {
- await client.del((redisChatMessageHistory as any).sessionId)
- }*/
-
const memory = new BufferMemoryExtended({
memoryKey: memoryKey ?? 'chat_history',
chatHistory: redisChatMessageHistory,
diff --git a/packages/components/nodes/vectorstores/Qdrant/Qdrant.ts b/packages/components/nodes/vectorstores/Qdrant/Qdrant.ts
index 1d5f7788..80899942 100644
--- a/packages/components/nodes/vectorstores/Qdrant/Qdrant.ts
+++ b/packages/components/nodes/vectorstores/Qdrant/Qdrant.ts
@@ -1,6 +1,5 @@
import { flatten } from 'lodash'
import { QdrantClient } from '@qdrant/js-client-rest'
-import type { Schemas as QdrantSchemas } from '@qdrant/js-client-rest'
import { VectorStoreRetrieverInput } from 'langchain/vectorstores/base'
import { Document } from 'langchain/document'
import { QdrantVectorStore, QdrantLibArgs } from 'langchain/vectorstores/qdrant'
@@ -9,12 +8,6 @@ import { ICommonObject, INode, INodeData, INodeOutputsValue, INodeParams } from
import { getBaseClasses, getCredentialData, getCredentialParam } from '../../../src/utils'
type RetrieverConfig = Partial>
-type QdrantSearchResponse = QdrantSchemas['ScoredPoint'] & {
- payload: {
- metadata: object
- content: string
- }
-}
class Qdrant_VectorStores implements INode {
label: string
diff --git a/packages/components/nodes/vectorstores/Redis/Redis.ts b/packages/components/nodes/vectorstores/Redis/Redis.ts
index 49f9e8ff..0dddf782 100644
--- a/packages/components/nodes/vectorstores/Redis/Redis.ts
+++ b/packages/components/nodes/vectorstores/Redis/Redis.ts
@@ -1,5 +1,5 @@
-import { flatten } from 'lodash'
-import { createClient, SearchOptions } from 'redis'
+import { flatten, isEqual } from 'lodash'
+import { createClient, SearchOptions, RedisClientOptions } from 'redis'
import { Embeddings } from 'langchain/embeddings/base'
import { RedisVectorStore, RedisVectorStoreConfig } from 'langchain/vectorstores/redis'
import { Document } from 'langchain/document'
@@ -7,6 +7,27 @@ import { ICommonObject, INode, INodeData, INodeOutputsValue, INodeParams } from
import { getBaseClasses, getCredentialData, getCredentialParam } from '../../../src/utils'
import { escapeAllStrings, escapeSpecialChars, unEscapeSpecialChars } from './utils'
+let redisClientSingleton: ReturnType
+let redisClientOption: RedisClientOptions
+
+const getRedisClient = async (option: RedisClientOptions) => {
+ if (!redisClientSingleton) {
+ // if client doesn't exists
+ redisClientSingleton = createClient(option)
+ await redisClientSingleton.connect()
+ redisClientOption = option
+ return redisClientSingleton
+ } else if (redisClientSingleton && !isEqual(option, redisClientOption)) {
+ // if client exists but option changed
+ redisClientSingleton.quit()
+ redisClientSingleton = createClient(option)
+ await redisClientSingleton.connect()
+ redisClientOption = option
+ return redisClientSingleton
+ }
+ return redisClientSingleton
+}
+
class Redis_VectorStores implements INode {
label: string
name: string
@@ -149,8 +170,7 @@ class Redis_VectorStores implements INode {
}
try {
- const redisClient = createClient({ url: redisUrl })
- await redisClient.connect()
+ const redisClient = await getRedisClient({ url: redisUrl })
const storeConfig: RedisVectorStoreConfig = {
redisClient: redisClient,
@@ -210,8 +230,7 @@ class Redis_VectorStores implements INode {
redisUrl = 'redis://' + username + ':' + password + '@' + host + ':' + portStr
}
- const redisClient = createClient({ url: redisUrl })
- await redisClient.connect()
+ const redisClient = await getRedisClient({ url: redisUrl })
const storeConfig: RedisVectorStoreConfig = {
redisClient: redisClient,
diff --git a/packages/components/nodes/vectorstores/Redis/RedisSearchBase.ts b/packages/components/nodes/vectorstores/Redis/RedisSearchBase.ts
index b6aa6ebb..e87b49f9 100644
--- a/packages/components/nodes/vectorstores/Redis/RedisSearchBase.ts
+++ b/packages/components/nodes/vectorstores/Redis/RedisSearchBase.ts
@@ -7,13 +7,34 @@ import {
INodeOutputsValue,
INodeParams
} from '../../../src'
-
import { Embeddings } from 'langchain/embeddings/base'
import { VectorStore } from 'langchain/vectorstores/base'
import { Document } from 'langchain/document'
-import { createClient, SearchOptions } from 'redis'
+import { createClient, SearchOptions, RedisClientOptions } from 'redis'
import { RedisVectorStore } from 'langchain/vectorstores/redis'
import { escapeSpecialChars, unEscapeSpecialChars } from './utils'
+import { isEqual } from 'lodash'
+
+let redisClientSingleton: ReturnType
+let redisClientOption: RedisClientOptions
+
+const getRedisClient = async (option: RedisClientOptions) => {
+ if (!redisClientSingleton) {
+ // if client doesn't exists
+ redisClientSingleton = createClient(option)
+ await redisClientSingleton.connect()
+ redisClientOption = option
+ return redisClientSingleton
+ } else if (redisClientSingleton && !isEqual(option, redisClientOption)) {
+ // if client exists but option changed
+ redisClientSingleton.quit()
+ redisClientSingleton = createClient(option)
+ await redisClientSingleton.connect()
+ redisClientOption = option
+ return redisClientSingleton
+ }
+ return redisClientSingleton
+}
export abstract class RedisSearchBase {
label: string
@@ -141,8 +162,7 @@ export abstract class RedisSearchBase {
redisUrl = 'redis://' + username + ':' + password + '@' + host + ':' + portStr
}
- this.redisClient = createClient({ url: redisUrl })
- await this.redisClient.connect()
+ this.redisClient = await getRedisClient({ url: redisUrl })
const vectorStore = await this.constructVectorStore(embeddings, indexName, replaceIndex, docs)
if (!contentKey || contentKey === '') contentKey = 'content'
diff --git a/packages/components/nodes/vectorstores/Redis/Redis_Existing.ts b/packages/components/nodes/vectorstores/Redis/Redis_Existing.ts
index e8848d33..6f2ec9b3 100644
--- a/packages/components/nodes/vectorstores/Redis/Redis_Existing.ts
+++ b/packages/components/nodes/vectorstores/Redis/Redis_Existing.ts
@@ -3,7 +3,6 @@ import { Embeddings } from 'langchain/embeddings/base'
import { VectorStore } from 'langchain/vectorstores/base'
import { RedisVectorStore, RedisVectorStoreConfig } from 'langchain/vectorstores/redis'
import { Document } from 'langchain/document'
-
import { RedisSearchBase } from './RedisSearchBase'
class RedisExisting_VectorStores extends RedisSearchBase implements INode {
diff --git a/packages/components/nodes/vectorstores/Redis/Redis_Upsert.ts b/packages/components/nodes/vectorstores/Redis/Redis_Upsert.ts
index 4da58eaf..c4394824 100644
--- a/packages/components/nodes/vectorstores/Redis/Redis_Upsert.ts
+++ b/packages/components/nodes/vectorstores/Redis/Redis_Upsert.ts
@@ -1,7 +1,6 @@
import { ICommonObject, INode, INodeData } from '../../../src/Interface'
import { Embeddings } from 'langchain/embeddings/base'
import { Document } from 'langchain/document'
-
import { flatten } from 'lodash'
import { RedisSearchBase } from './RedisSearchBase'
import { VectorStore } from 'langchain/vectorstores/base'