Flowise/packages/components/nodes/memory/AgentMemory/AgentMemory.ts

106 lines
3.7 KiB
TypeScript

import path from 'path'
import { getBaseClasses, getUserHome } from '../../../src/utils'
import { SaverOptions } from './interface'
import { ICommonObject, IDatabaseEntity, INode, INodeData, INodeParams } from '../../../src/Interface'
import { SqliteSaver } from './sqliteSaver'
import { DataSource } from 'typeorm'
class AgentMemory_Memory implements INode {
label: string
name: string
version: number
description: string
type: string
icon: string
category: string
badge: string
baseClasses: string[]
inputs: INodeParams[]
constructor() {
this.label = 'Agent Memory'
this.name = 'agentMemory'
this.version = 1.0
this.type = 'AgentMemory'
this.icon = 'agentmemory.svg'
this.category = 'Memory'
this.description = 'Memory for agentflow to remember the state of the conversation'
this.baseClasses = [this.type, ...getBaseClasses(SqliteSaver)]
this.inputs = [
{
label: 'Database',
name: 'databaseType',
type: 'options',
options: [
{
label: 'SQLite',
name: 'sqlite'
}
],
default: 'sqlite'
},
{
label: 'Database File Path',
name: 'databaseFilePath',
type: 'string',
placeholder: 'C:\\Users\\User\\.flowise\\database.sqlite',
description:
'If SQLite is selected, provide the path to the SQLite database file. Leave empty to use default application database',
additionalParams: true,
optional: true
},
{
label: 'Additional Connection Configuration',
name: 'additionalConfig',
type: 'json',
additionalParams: true,
optional: true
}
]
}
async init(nodeData: INodeData, _: string, options: ICommonObject): Promise<any> {
const additionalConfig = nodeData.inputs?.additionalConfig as string
const databaseFilePath = nodeData.inputs?.databaseFilePath as string
const databaseType = nodeData.inputs?.databaseType as string
const databaseEntities = options.databaseEntities as IDatabaseEntity
const chatflowid = options.chatflowid as string
const appDataSource = options.appDataSource as DataSource
let additionalConfiguration = {}
if (additionalConfig) {
try {
additionalConfiguration = typeof additionalConfig === 'object' ? additionalConfig : JSON.parse(additionalConfig)
} catch (exception) {
throw new Error('Invalid JSON in the Additional Configuration: ' + exception)
}
}
const threadId = options.sessionId || options.chatId
const datasourceOptions: ICommonObject = {
...additionalConfiguration,
type: databaseType
}
if (databaseType === 'sqlite') {
datasourceOptions.database = databaseFilePath
? path.resolve(databaseFilePath)
: path.join(process.env.DATABASE_PATH ?? path.join(getUserHome(), '.flowise'), 'database.sqlite')
const args: SaverOptions = {
datasourceOptions,
threadId,
appDataSource,
databaseEntities,
chatflowid
}
const recordManager = new SqliteSaver(args)
return recordManager
}
return undefined
}
}
module.exports = { nodeClass: AgentMemory_Memory }