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Add the ability to stream and use tool calls for OllamaAI #346

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Add the ability to stream and use tool calls for OllamaAI #346

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25 changes: 24 additions & 1 deletion lib/chat_models/chat_ollama_ai.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -418,7 +418,6 @@ defmodule LangChain.ChatModels.ChatOllamaAI do
# - `{:error, reason}` - Where reason is a `LangChain.LangChainError`
# explanation of what went wrong.
#
# **NOTE:** callback function are IGNORED for ollama ai When `stream: true` is
# If `stream: false`, the completed message is returned.
#
# If `stream: true`, the completed message is returned after MessageDelta's.
Expand Down Expand Up @@ -548,6 +547,18 @@ defmodule LangChain.ChatModels.ChatOllamaAI do
end
end

def do_process_response(%{stream: true} = model, %{
"message" => %{"tool_calls" => calls} = message,
"done" => true
})
when calls != [] do
message
|> Map.merge(%{
"tool_calls" => Enum.map(calls, &do_process_response(model, &1))
})
|> create_message(:complete, MessageDelta)
end

def do_process_response(%{stream: true} = _model, %{"message" => message, "done" => true}) do
create_message(message, :complete, MessageDelta)
end
Expand All @@ -568,6 +579,18 @@ defmodule LangChain.ChatModels.ChatOllamaAI do
create_message(message, :complete, Message)
end

def do_process_response(model, %{
"message" => %{"tool_calls" => calls} = message,
"done" => _other
})
when calls != [] do
message
|> Map.merge(%{
"tool_calls" => Enum.map(calls, &do_process_response(model, &1))
})
|> create_message(:incomplete, MessageDelta)
end

def do_process_response(_model, %{"message" => message, "done" => _other}) do
create_message(message, :incomplete, MessageDelta)
end
Expand Down