@startuml chat_rag
actor User
participant "PyPDFLoader" as loader
participant "HuggingFaceEmbeddings" as embeddings
participant "CharacterTextSplitter" as splitter
participant "Chroma" as vectordb

User -> loader : load(filename)
activate loader
loader --> User : document
deactivate loader

User -> embeddings : init(model_name)
activate embeddings
embeddings --> User : embeddings
deactivate embeddings

User -> splitter : split_documents(document)
activate splitter
splitter --> User : document_chunks
deactivate splitter

User -> vectordb : from_documents(document_chunks, embeddings)
activate vectordb
vectordb --> User : vectordb
deactivate vectordb
@enduml