Merge branch 'main' into feature/DynamoDb-Integration

packages/components/nodes/memory/RedisBackedChatMemory/RedisBackedChatMemory.ts

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+import { INode, INodeData, INodeParams } from '../../../src/Interface'
+import { getBaseClasses } from '../../../src/utils'
+import { ICommonObject } from '../../../src'
+import { BufferMemory } from 'langchain/memory'
+import { RedisChatMessageHistory, RedisChatMessageHistoryInput } from 'langchain/stores/message/redis'
+import { createClient } from 'redis'
+
+class RedisBackedChatMemory_Memory implements INode {
+    label: string
+    name: string
+    description: string
+    type: string
+    icon: string
+    category: string
+    baseClasses: string[]
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'Redis-Backed Chat Memory'
+        this.name = 'RedisBackedChatMemory'
+        this.type = 'RedisBackedChatMemory'
+        this.icon = 'redis.svg'
+        this.category = 'Memory'
+        this.description = 'Summarizes the conversation and stores the memory in Redis server'
+        this.baseClasses = [this.type, ...getBaseClasses(BufferMemory)]
+        this.inputs = [
+            {
+                label: 'Base URL',
+                name: 'baseURL',
+                type: 'string',
+                default: 'redis://localhost:6379'
+            },
+            {
+                label: 'Session Id',
+                name: 'sessionId',
+                type: 'string',
+                description: 'if empty, chatId will be used automatically',
+                default: '',
+                additionalParams: true
+            },
+            {
+                label: 'Session Timeouts',
+                name: 'sessionTTL',
+                type: 'number',
+                description: 'Omit this parameter to make sessions never expire',
+                optional: true
+            },
+            {
+                label: 'Memory Key',
+                name: 'memoryKey',
+                type: 'string',
+                default: 'chat_history'
+            }
+        ]
+    }
+
+    async init(nodeData: INodeData, _: string, options: ICommonObject): Promise<any> {
+        const baseURL = nodeData.inputs?.baseURL as string
+        const sessionId = nodeData.inputs?.sessionId as string
+        const sessionTTL = nodeData.inputs?.sessionTTL as number
+        const memoryKey = nodeData.inputs?.memoryKey as string
+
+        const chatId = options?.chatId as string
+
+        const redisClient = createClient({ url: baseURL })
+        let obj: RedisChatMessageHistoryInput = {
+            sessionId: sessionId ? sessionId : chatId,
+            client: redisClient
+        }
+
+        if (sessionTTL) {
+            obj = {
+                ...obj,
+                sessionTTL
+            }
+        }
+
+        let redisChatMessageHistory = new RedisChatMessageHistory(obj)
+        let redis = new BufferMemory({ memoryKey, chatHistory: redisChatMessageHistory, returnMessages: true })
+
+        return redis
+    }
+}
+
+module.exports = { nodeClass: RedisBackedChatMemory_Memory }

packages/components/nodes/memory/RedisBackedChatMemory/redis.svg

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+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 128 128" id="redis"><path fill="#A41E11" d="M121.8 93.1c-6.7 3.5-41.4 17.7-48.8 21.6-7.4 3.9-11.5 3.8-17.3 1s-42.7-17.6-49.4-20.8c-3.3-1.6-5-2.9-5-4.2v-12.7s48-10.5 55.8-13.2c7.8-2.8 10.4-2.9 17-.5s46.1 9.5 52.6 11.9v12.5c0 1.3-1.5 2.7-4.9 4.4z"></path><path fill="#D82C20" d="M121.8 80.5c-6.7 3.5-41.4 17.7-48.8 21.6-7.4 3.9-11.5 3.8-17.3 1-5.8-2.8-42.7-17.7-49.4-20.9-6.6-3.2-6.8-5.4-.3-7.9 6.5-2.6 43.2-17 51-19.7 7.8-2.8 10.4-2.9 17-.5s41.1 16.1 47.6 18.5c6.7 2.4 6.9 4.4.2 7.9z"></path><path fill="#A41E11" d="M121.8 72.5c-6.7 3.5-41.4 17.7-48.8 21.6-7.4 3.8-11.5 3.8-17.3 1-5.8-2.8-42.7-17.7-49.4-20.9-3.3-1.6-5-2.9-5-4.2v-12.7s48-10.5 55.8-13.2c7.8-2.8 10.4-2.9 17-.5s46.1 9.5 52.6 11.9v12.5c0 1.3-1.5 2.7-4.9 4.5z"></path><path fill="#D82C20" d="M121.8 59.8c-6.7 3.5-41.4 17.7-48.8 21.6-7.4 3.8-11.5 3.8-17.3 1-5.8-2.8-42.7-17.7-49.4-20.9s-6.8-5.4-.3-7.9c6.5-2.6 43.2-17 51-19.7 7.8-2.8 10.4-2.9 17-.5s41.1 16.1 47.6 18.5c6.7 2.4 6.9 4.4.2 7.9z"></path><path fill="#A41E11" d="M121.8 51c-6.7 3.5-41.4 17.7-48.8 21.6-7.4 3.8-11.5 3.8-17.3 1-5.8-2.7-42.7-17.6-49.4-20.8-3.3-1.6-5.1-2.9-5.1-4.2v-12.7s48-10.5 55.8-13.2c7.8-2.8 10.4-2.9 17-.5s46.1 9.5 52.6 11.9v12.5c.1 1.3-1.4 2.6-4.8 4.4z"></path><path fill="#D82C20" d="M121.8 38.3c-6.7 3.5-41.4 17.7-48.8 21.6-7.4 3.8-11.5 3.8-17.3 1s-42.7-17.6-49.4-20.8-6.8-5.4-.3-7.9c6.5-2.6 43.2-17 51-19.7 7.8-2.8 10.4-2.9 17-.5s41.1 16.1 47.6 18.5c6.7 2.4 6.9 4.4.2 7.8z"></path><path fill="#fff" d="M80.4 26.1l-10.8 1.2-2.5 5.8-3.9-6.5-12.5-1.1 9.3-3.4-2.8-5.2 8.8 3.4 8.2-2.7-2.2 5.4zM66.5 54.5l-20.3-8.4 29.1-4.4z"></path><ellipse cx="38.4" cy="35.4" fill="#fff" rx="15.5" ry="6"></ellipse><path fill="#7A0C00" d="M93.3 27.7l17.2 6.8-17.2 6.8z"></path><path fill="#AD2115" d="M74.3 35.3l19-7.6v13.6l-1.9.8z"></path></svg>