Environment Variables: Dashboard along with CRUD Operations on variables.

packages/server/src/Interface.ts

@@ -68,6 +68,15 @@ export interface ICredential {
     createdDate: Date
 }
 
+export interface IVariable {
+    id: string
+    name: string
+    value: string
+    type: string
+    updatedDate: Date
+    createdDate: Date
+}
+
 export interface IComponentNodes {
     [key: string]: INode
 }

packages/server/src/database/entities/Variable.ts

@@ -0,0 +1,25 @@
+/* eslint-disable */
+import { Entity, Column, CreateDateColumn, UpdateDateColumn, PrimaryGeneratedColumn } from 'typeorm'
+import { IVariable } from "../../Interface";
+
+@Entity()
+export class Variable implements IVariable{
+    @PrimaryGeneratedColumn('uuid')
+    id: string
+
+    @Column()
+    name: string
+
+    @Column({ nullable: true, type: 'text' })
+    value: string
+
+    @Column({default: 'string', type: 'text'})
+    type: string
+
+
+    @CreateDateColumn()
+    createdDate: Date
+
+    @UpdateDateColumn()
+    updatedDate: Date
+}

packages/server/src/database/entities/index.ts

@@ -3,11 +3,13 @@ import { ChatMessage } from './ChatMessage'
 import { Credential } from './Credential'
 import { Tool } from './Tool'
 import { Assistant } from './Assistant'
+import { Variable } from './Variable'
 
 export const entities = {
     ChatFlow,
     ChatMessage,
     Credential,
     Tool,
-    Assistant
+    Assistant,
+    Variable
 }

packages/server/src/database/migrations/mysql/1702200925471-AddVariableEntity.ts

@@ -0,0 +1,21 @@
+import { MigrationInterface, QueryRunner } from 'typeorm'
+
+export class AddVariableEntity1699325775451 implements MigrationInterface {
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(
+            `CREATE TABLE IF NOT EXISTS \`variable\` (
+                \`id\` varchar(36) NOT NULL,
+                \`name\` varchar(255) NOT NULL,
+                \`value\` text NOT NULL,
+                \`type\` varchar(255) DEFAULT NULL,
+                \`createdDate\` datetime(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6),
+                \`updatedDate\` datetime(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6),
+                PRIMARY KEY (\`id\`)
+              ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;`
+        )
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`DROP TABLE variable`)
+    }
+}

packages/server/src/database/migrations/mysql/index.ts

@@ -10,6 +10,7 @@ import { AddAssistantEntity1699325775451 } from './1699325775451-AddAssistantEnt
 import { AddUsedToolsToChatMessage1699481607341 } from './1699481607341-AddUsedToolsToChatMessage'
 import { AddCategoryToChatFlow1699900910291 } from './1699900910291-AddCategoryToChatFlow'
 import { AddFileAnnotationsToChatMessage1700271021237 } from './1700271021237-AddFileAnnotationsToChatMessage'
+import { AddVariableEntity1699325775451 } from './1702200925471-AddVariableEntity'
 
 export const mysqlMigrations = [
     Init1693840429259,
@@ -23,5 +24,6 @@ export const mysqlMigrations = [
     AddAssistantEntity1699325775451,
     AddUsedToolsToChatMessage1699481607341,
     AddCategoryToChatFlow1699900910291,
-    AddFileAnnotationsToChatMessage1700271021237
+    AddFileAnnotationsToChatMessage1700271021237,
+    AddVariableEntity1699325775451
 ]

packages/server/src/database/migrations/postgres/1702200925471-AddVariableEntity.ts

@@ -0,0 +1,21 @@
+import { MigrationInterface, QueryRunner } from 'typeorm'
+
+export class AddVariableEntity1699325775451 implements MigrationInterface {
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(
+            `CREATE TABLE IF NOT EXISTS variable (
+                id uuid NOT NULL DEFAULT uuid_generate_v4(),
+                "name" varchar NOT NULL,
+                "value" text NOT NULL,
+                "type" text NULL,
+                "createdDate" timestamp NOT NULL DEFAULT now(),
+                "updatedDate" timestamp NOT NULL DEFAULT now(),
+                CONSTRAINT "PK_3c7cea7a044ac4c92764576cdbf" PRIMARY KEY (id)
+            );`
+        )
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`DROP TABLE variable`)
+    }
+}

packages/server/src/database/migrations/postgres/index.ts

@@ -10,6 +10,7 @@ import { AddAssistantEntity1699325775451 } from './1699325775451-AddAssistantEnt
 import { AddUsedToolsToChatMessage1699481607341 } from './1699481607341-AddUsedToolsToChatMessage'
 import { AddCategoryToChatFlow1699900910291 } from './1699900910291-AddCategoryToChatFlow'
 import { AddFileAnnotationsToChatMessage1700271021237 } from './1700271021237-AddFileAnnotationsToChatMessage'
+import { AddVariableEntity1699325775451 } from './1702200925471-AddVariableEntity'
 
 export const postgresMigrations = [
     Init1693891895163,
@@ -23,5 +24,6 @@ export const postgresMigrations = [
     AddAssistantEntity1699325775451,
     AddUsedToolsToChatMessage1699481607341,
     AddCategoryToChatFlow1699900910291,
-    AddFileAnnotationsToChatMessage1700271021237
+    AddFileAnnotationsToChatMessage1700271021237,
+    AddVariableEntity1699325775451
 ]

packages/server/src/database/migrations/sqlite/1702200925471-AddVariableEntity.ts

@@ -0,0 +1,13 @@
+import { MigrationInterface, QueryRunner } from 'typeorm'
+
+export class AddVariableEntity1699325775451 implements MigrationInterface {
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(
+            `CREATE TABLE IF NOT EXISTS "variable" ("id" varchar PRIMARY KEY NOT NULL, "name" text NOT NULL, "value" text NOT NULL, "type" varchar, "createdDate" datetime NOT NULL DEFAULT (datetime('now')), "updatedDate" datetime NOT NULL DEFAULT (datetime('now')));`
+        )
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`DROP TABLE variable`)
+    }
+}

packages/server/src/database/migrations/sqlite/index.ts

@@ -10,6 +10,7 @@ import { AddAssistantEntity1699325775451 } from './1699325775451-AddAssistantEnt
 import { AddUsedToolsToChatMessage1699481607341 } from './1699481607341-AddUsedToolsToChatMessage'
 import { AddCategoryToChatFlow1699900910291 } from './1699900910291-AddCategoryToChatFlow'
 import { AddFileAnnotationsToChatMessage1700271021237 } from './1700271021237-AddFileAnnotationsToChatMessage'
+import { AddVariableEntity1699325775451 } from './1702200925471-AddVariableEntity'
 
 export const sqliteMigrations = [
     Init1693835579790,
@@ -23,5 +24,6 @@ export const sqliteMigrations = [
     AddAssistantEntity1699325775451,
     AddUsedToolsToChatMessage1699481607341,
     AddCategoryToChatFlow1699900910291,
-    AddFileAnnotationsToChatMessage1700271021237
+    AddFileAnnotationsToChatMessage1700271021237,
+    AddVariableEntity1699325775451
 ]

packages/server/src/index.ts

@@ -62,6 +62,7 @@ import { sanitizeMiddleware } from './utils/XSS'
 import axios from 'axios'
 import { Client } from 'langchainhub'
 import { parsePrompt } from './utils/hub'
+import { Variable } from "./database/entities/Variable";
 
 export class App {
     app: express.Application
@@ -1150,6 +1151,47 @@ export class App {
             return res.json(templates)
         })
 
+        // ----------------------------------------
+        // Variables
+        // ----------------------------------------
+        this.app.get('/api/v1/variables', async (req: Request, res: Response) => {
+            const variables = await getDataSource().getRepository(Variable).find()
+            return res.json(variables)
+        })
+
+        // Create new variable
+        this.app.post('/api/v1/variables', async (req: Request, res: Response) => {
+            const body = req.body
+            const newVariable = new Variable()
+            Object.assign(newVariable, body)
+            const variable = this.AppDataSource.getRepository(Variable).create(newVariable)
+            const results = await this.AppDataSource.getRepository(Variable).save(variable)
+            return res.json(results)
+        })
+
+        // Update variable
+        this.app.put('/api/v1/variables/:id', async (req: Request, res: Response) => {
+            const variable = await this.AppDataSource.getRepository(Variable).findOneBy({
+                id: req.params.id
+            })
+
+            if (!variable) return res.status(404).send(`Variable ${req.params.id} not found`)
+
+            const body = req.body
+            const updateVariable = new Variable()
+            Object.assign(updateVariable, body)
+            this.AppDataSource.getRepository(Variable).merge(variable, updateVariable)
+            const result = await this.AppDataSource.getRepository(Variable).save(variable)
+
+            return res.json(result)
+        })
+
+        // Delete variable via id
+        this.app.delete('/api/v1/variables/:id', async (req: Request, res: Response) => {
+            const results = await this.AppDataSource.getRepository(Variable).delete({ id: req.params.id })
+            return res.json(results)
+        })
+
         // ----------------------------------------
         // API Keys
         // ----------------------------------------