Feature/Full File Uploads & Message Delete API (#3314)

* add functionality for full file uploads, add remove messages from view dialog and API * add attachments swagger * update question to include uploadedFilesContent * make config dialog modal lg size
2026-06-28 13:00:56 +03:00 · 2024-10-23 11:00:46 +01:00
parent 116d02d0bc
commit 53e504c32f
31 changed files with 1012 additions and 193 deletions
@@ -0,0 +1,84 @@
+import { Request } from 'express'
+import * as path from 'path'
+import * as fs from 'fs'
+import { addArrayFilesToStorage, IDocument, mapExtToInputField, mapMimeTypeToInputField } from 'flowise-components'
+import { getRunningExpressApp } from './getRunningExpressApp'
+import { getErrorMessage } from '../errors/utils'
+
+/**
+ * Create attachment
+ * @param {Request} req
+ */
+export const createFileAttachment = async (req: Request) => {
+    const appServer = getRunningExpressApp()
+
+    const chatflowid = req.params.chatflowId
+    if (!chatflowid) {
+        throw new Error(
+            'Params chatflowId is required! Please provide chatflowId and chatId in the URL: /api/v1/attachments/:chatflowId/:chatId'
+        )
+    }
+
+    const chatId = req.params.chatId
+    if (!chatId) {
+        throw new Error(
+            'Params chatId is required! Please provide chatflowId and chatId in the URL: /api/v1/attachments/:chatflowId/:chatId'
+        )
+    }
+
+    // Find FileLoader node
+    const fileLoaderComponent = appServer.nodesPool.componentNodes['fileLoader']
+    const fileLoaderNodeInstanceFilePath = fileLoaderComponent.filePath as string
+    const fileLoaderNodeModule = await import(fileLoaderNodeInstanceFilePath)
+    const fileLoaderNodeInstance = new fileLoaderNodeModule.nodeClass()
+    const options = {
+        retrieveAttachmentChatId: true,
+        chatflowid,
+        chatId
+    }
+    const files = (req.files as Express.Multer.File[]) || []
+    const fileAttachments = []
+    if (files.length) {
+        for (const file of files) {
+            const fileBuffer = fs.readFileSync(file.path)
+            const fileNames: string[] = []
+            const storagePath = await addArrayFilesToStorage(file.mimetype, fileBuffer, file.originalname, fileNames, chatflowid, chatId)
+
+            const fileInputFieldFromMimeType = mapMimeTypeToInputField(file.mimetype)
+
+            const fileExtension = path.extname(file.originalname)
+
+            const fileInputFieldFromExt = mapExtToInputField(fileExtension)
+
+            let fileInputField = 'txtFile'
+
+            if (fileInputFieldFromExt !== 'txtFile') {
+                fileInputField = fileInputFieldFromExt
+            } else if (fileInputFieldFromMimeType !== 'txtFile') {
+                fileInputField = fileInputFieldFromExt
+            }
+
+            fs.unlinkSync(file.path)
+
+            try {
+                const nodeData = {
+                    inputs: {
+                        [fileInputField]: storagePath
+                    }
+                }
+                const documents: IDocument[] = await fileLoaderNodeInstance.init(nodeData, '', options)
+                const pageContents = documents.map((doc) => doc.pageContent).join('\n')
+                fileAttachments.push({
+                    name: file.originalname,
+                    mimeType: file.mimetype,
+                    size: file.size,
+                    content: pageContents
+                })
+            } catch (error) {
+                throw new Error(`Failed operation: createFileAttachment - ${getErrorMessage(error)}`)
+            }
+        }
+    }
+
+    return fileAttachments
+}