AICH

Introduction

This is a NestJS backend project powered by a Large Language Model designed to assist bookkeepers and accountants in performing their tasks more efficiently. It includes the following features:

• AI-Enhanced Accounting Assistant: Powered by LLAMA 3.1 with Retrieval-Augmented Generation (RAG) via LangChain, this specialized agent focuses on accounting and bookkeeping tasks.
• Cognitive Accounting Automation Module: Automates the extraction of basic information from invoices and receipts, transforming them into accounting vouchers.

Installation

Ollama Setup

1. Pleas make sure you have the following installed:

   • CUDA driversDocker, Use the following command to check if you have installed the drivers:

   nvidia-smi
   

2. If you want to read official Ollama documentation, please visit Ollama

3. Linux user use follow command to install Ollama:

   curl -fsSL https://ollama.com/install.sh | sh
   

4. If you want ollama to be access by non local IP, You can add following content into /etc/ollama/config.yaml:

   sudo vim /etc/systemd/system/ollama.service
   

   • Add following content to the file:

   [Service]
   Environment="OLLAMA_HOST=0.0.0.0"
   

   • Restart Ollama

   sudo systemctl daemon-reload
   
   sudo systemctl restart ollama
   

5. Start Ollama using systemd:

   sudo systemctl start ollama
   

Qdrant Setup

1. Please make sure you have installed Docker on your machine.
2. Use Qdrant docker image build Qdrant:

   docker pull qdrant/qdrant
   

   then run the service

   docker run -d -p 6333:6333 -p 6334:6334 \
   -v $(pwd)/qdrant_storage:/qdrant/storage:z \
   qdrant/qdrant
   

Gemini API key

• Please visit Gemini Api to generate your API key.

AICH Installation

1. Please Make sure your node version is not 20.5.1, which will causing Google API error.

2. Clone the repository

   git clone https://github.com/CAFECA-IO/AICH.git
   

3. Install the dependencies

   npm install
   

4. Create a .env file in the root directory and add the following environment variables (BASE_STORAGE_PATH is the path where the invoice image will be stored):

   # Google Gemini
   GOOGLE_GEMINI_API_KEY=Your_API_key
   
   # Ollama
   OLLAMA_HOST=http://127.0.0.1:11434
   
   #QDRANT_HOST
   QDRANT_HOST=http://127.0.0.1:6333
   
   # File storage path
   BASE_STORAGE_PATH = ${HOME}/AICH
   

5. Start the server

   • If you want to run the server in development mode, use the following command:

   npm run start
   

   • If you want to run the server in production mode, use the following command:

   npm run build
   npm run prod
   

Environment

• Node.js: ^v20.16.0
• Ollama: ^v0.3.4
• Qdrant: ^v1.11.0

License

AICH is MIT licensed.