{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE GeneralizedNewtypeDeriving #-}
{-# LANGUAGE OverloadedStrings #-}
module Data.Ollama.Conversation
(
Conversation (..)
, ConversationStore (..)
, InMemoryStore (..)
, ConvoM (..)
, initInMemoryStore
, runInMemoryConvo
, validateConversation
) where
import Control.Concurrent.STM
import Control.Monad.Reader
import Data.Aeson (FromJSON, ToJSON)
import Data.Map.Strict (Map)
import Data.Map.Strict qualified as Map
import Data.Ollama.Common.Types
import Data.Text (Text)
import Data.Text qualified as T
import Data.Time (UTCTime, getCurrentTime)
import GHC.Generics (Generic)
data Conversation = Conversation
{ Conversation -> Text
conversationId :: !Text
, Conversation -> [Message]
messages :: ![Message]
, Conversation -> Text
model :: !Text
, Conversation -> UTCTime
createdAt :: !UTCTime
, Conversation -> UTCTime
lastUpdated :: !UTCTime
}
deriving (Int -> Conversation -> ShowS
[Conversation] -> ShowS
Conversation -> String
(Int -> Conversation -> ShowS)
-> (Conversation -> String)
-> ([Conversation] -> ShowS)
-> Show Conversation
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: Int -> Conversation -> ShowS
showsPrec :: Int -> Conversation -> ShowS
$cshow :: Conversation -> String
show :: Conversation -> String
$cshowList :: [Conversation] -> ShowS
showList :: [Conversation] -> ShowS
Show, Conversation -> Conversation -> Bool
(Conversation -> Conversation -> Bool)
-> (Conversation -> Conversation -> Bool) -> Eq Conversation
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: Conversation -> Conversation -> Bool
== :: Conversation -> Conversation -> Bool
$c/= :: Conversation -> Conversation -> Bool
/= :: Conversation -> Conversation -> Bool
Eq, (forall x. Conversation -> Rep Conversation x)
-> (forall x. Rep Conversation x -> Conversation)
-> Generic Conversation
forall x. Rep Conversation x -> Conversation
forall x. Conversation -> Rep Conversation x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cfrom :: forall x. Conversation -> Rep Conversation x
from :: forall x. Conversation -> Rep Conversation x
$cto :: forall x. Rep Conversation x -> Conversation
to :: forall x. Rep Conversation x -> Conversation
Generic)
instance ToJSON Conversation
instance FromJSON Conversation
class Monad m => ConversationStore m where
saveConversation :: Conversation -> m ()
loadConversation :: Text -> m (Maybe Conversation)
listConversations :: m [Conversation]
deleteConversation :: Text -> m Bool
newtype InMemoryStore = InMemoryStore (TVar (Map Text Conversation))
newtype ConvoM a = ConvoM {forall a. ConvoM a -> ReaderT InMemoryStore IO a
runConvoM :: ReaderT InMemoryStore IO a}
deriving ((forall a b. (a -> b) -> ConvoM a -> ConvoM b)
-> (forall a b. a -> ConvoM b -> ConvoM a) -> Functor ConvoM
forall a b. a -> ConvoM b -> ConvoM a
forall a b. (a -> b) -> ConvoM a -> ConvoM b
forall (f :: * -> *).
(forall a b. (a -> b) -> f a -> f b)
-> (forall a b. a -> f b -> f a) -> Functor f
$cfmap :: forall a b. (a -> b) -> ConvoM a -> ConvoM b
fmap :: forall a b. (a -> b) -> ConvoM a -> ConvoM b
$c<$ :: forall a b. a -> ConvoM b -> ConvoM a
<$ :: forall a b. a -> ConvoM b -> ConvoM a
Functor, Functor ConvoM
Functor ConvoM =>
(forall a. a -> ConvoM a)
-> (forall a b. ConvoM (a -> b) -> ConvoM a -> ConvoM b)
-> (forall a b c.
(a -> b -> c) -> ConvoM a -> ConvoM b -> ConvoM c)
-> (forall a b. ConvoM a -> ConvoM b -> ConvoM b)
-> (forall a b. ConvoM a -> ConvoM b -> ConvoM a)
-> Applicative ConvoM
forall a. a -> ConvoM a
forall a b. ConvoM a -> ConvoM b -> ConvoM a
forall a b. ConvoM a -> ConvoM b -> ConvoM b
forall a b. ConvoM (a -> b) -> ConvoM a -> ConvoM b
forall a b c. (a -> b -> c) -> ConvoM a -> ConvoM b -> ConvoM c
forall (f :: * -> *).
Functor f =>
(forall a. a -> f a)
-> (forall a b. f (a -> b) -> f a -> f b)
-> (forall a b c. (a -> b -> c) -> f a -> f b -> f c)
-> (forall a b. f a -> f b -> f b)
-> (forall a b. f a -> f b -> f a)
-> Applicative f
$cpure :: forall a. a -> ConvoM a
pure :: forall a. a -> ConvoM a
$c<*> :: forall a b. ConvoM (a -> b) -> ConvoM a -> ConvoM b
<*> :: forall a b. ConvoM (a -> b) -> ConvoM a -> ConvoM b
$cliftA2 :: forall a b c. (a -> b -> c) -> ConvoM a -> ConvoM b -> ConvoM c
liftA2 :: forall a b c. (a -> b -> c) -> ConvoM a -> ConvoM b -> ConvoM c
$c*> :: forall a b. ConvoM a -> ConvoM b -> ConvoM b
*> :: forall a b. ConvoM a -> ConvoM b -> ConvoM b
$c<* :: forall a b. ConvoM a -> ConvoM b -> ConvoM a
<* :: forall a b. ConvoM a -> ConvoM b -> ConvoM a
Applicative, Applicative ConvoM
Applicative ConvoM =>
(forall a b. ConvoM a -> (a -> ConvoM b) -> ConvoM b)
-> (forall a b. ConvoM a -> ConvoM b -> ConvoM b)
-> (forall a. a -> ConvoM a)
-> Monad ConvoM
forall a. a -> ConvoM a
forall a b. ConvoM a -> ConvoM b -> ConvoM b
forall a b. ConvoM a -> (a -> ConvoM b) -> ConvoM b
forall (m :: * -> *).
Applicative m =>
(forall a b. m a -> (a -> m b) -> m b)
-> (forall a b. m a -> m b -> m b)
-> (forall a. a -> m a)
-> Monad m
$c>>= :: forall a b. ConvoM a -> (a -> ConvoM b) -> ConvoM b
>>= :: forall a b. ConvoM a -> (a -> ConvoM b) -> ConvoM b
$c>> :: forall a b. ConvoM a -> ConvoM b -> ConvoM b
>> :: forall a b. ConvoM a -> ConvoM b -> ConvoM b
$creturn :: forall a. a -> ConvoM a
return :: forall a. a -> ConvoM a
Monad, Monad ConvoM
Monad ConvoM => (forall a. IO a -> ConvoM a) -> MonadIO ConvoM
forall a. IO a -> ConvoM a
forall (m :: * -> *).
Monad m =>
(forall a. IO a -> m a) -> MonadIO m
$cliftIO :: forall a. IO a -> ConvoM a
liftIO :: forall a. IO a -> ConvoM a
MonadIO, MonadReader InMemoryStore)
runInMemoryConvo :: InMemoryStore -> ConvoM a -> IO a
runInMemoryConvo :: forall a. InMemoryStore -> ConvoM a -> IO a
runInMemoryConvo InMemoryStore
store = (ReaderT InMemoryStore IO a -> InMemoryStore -> IO a)
-> InMemoryStore -> ReaderT InMemoryStore IO a -> IO a
forall a b c. (a -> b -> c) -> b -> a -> c
flip ReaderT InMemoryStore IO a -> InMemoryStore -> IO a
forall r (m :: * -> *) a. ReaderT r m a -> r -> m a
runReaderT InMemoryStore
store (ReaderT InMemoryStore IO a -> IO a)
-> (ConvoM a -> ReaderT InMemoryStore IO a) -> ConvoM a -> IO a
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ConvoM a -> ReaderT InMemoryStore IO a
forall a. ConvoM a -> ReaderT InMemoryStore IO a
runConvoM
instance ConversationStore ConvoM where
saveConversation :: Conversation -> ConvoM ()
saveConversation Conversation
conv = do
case Conversation -> Either Text Conversation
validateConversation Conversation
conv of
Left Text
err -> IO () -> ConvoM ()
forall a. IO a -> ConvoM a
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO () -> ConvoM ()) -> IO () -> ConvoM ()
forall a b. (a -> b) -> a -> b
$ String -> IO ()
putStrLn (String
"Validation error: " String -> ShowS
forall a. Semigroup a => a -> a -> a
<> Text -> String
T.unpack Text
err)
Right Conversation
validConv -> do
UTCTime
now <- IO UTCTime -> ConvoM UTCTime
forall a. IO a -> ConvoM a
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO IO UTCTime
getCurrentTime
let updatedConv :: Conversation
updatedConv = Conversation
validConv {lastUpdated = now}
InMemoryStore TVar (Map Text Conversation)
ref <- ConvoM InMemoryStore
forall r (m :: * -> *). MonadReader r m => m r
ask
IO () -> ConvoM ()
forall a. IO a -> ConvoM a
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO () -> ConvoM ()) -> (STM () -> IO ()) -> STM () -> ConvoM ()
forall b c a. (b -> c) -> (a -> b) -> a -> c
. STM () -> IO ()
forall a. STM a -> IO a
atomically (STM () -> ConvoM ()) -> STM () -> ConvoM ()
forall a b. (a -> b) -> a -> b
$ TVar (Map Text Conversation)
-> (Map Text Conversation -> Map Text Conversation) -> STM ()
forall a. TVar a -> (a -> a) -> STM ()
modifyTVar' TVar (Map Text Conversation)
ref (Text
-> Conversation -> Map Text Conversation -> Map Text Conversation
forall k a. Ord k => k -> a -> Map k a -> Map k a
Map.insert (Conversation -> Text
conversationId Conversation
updatedConv) Conversation
updatedConv)
loadConversation :: Text -> ConvoM (Maybe Conversation)
loadConversation Text
cid = do
InMemoryStore TVar (Map Text Conversation)
ref <- ConvoM InMemoryStore
forall r (m :: * -> *). MonadReader r m => m r
ask
Map Text Conversation
convs <- IO (Map Text Conversation) -> ConvoM (Map Text Conversation)
forall a. IO a -> ConvoM a
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO (Map Text Conversation) -> ConvoM (Map Text Conversation))
-> IO (Map Text Conversation) -> ConvoM (Map Text Conversation)
forall a b. (a -> b) -> a -> b
$ TVar (Map Text Conversation) -> IO (Map Text Conversation)
forall a. TVar a -> IO a
readTVarIO TVar (Map Text Conversation)
ref
Maybe Conversation -> ConvoM (Maybe Conversation)
forall a. a -> ConvoM a
forall (m :: * -> *) a. Monad m => a -> m a
return (Maybe Conversation -> ConvoM (Maybe Conversation))
-> Maybe Conversation -> ConvoM (Maybe Conversation)
forall a b. (a -> b) -> a -> b
$ Text -> Map Text Conversation -> Maybe Conversation
forall k a. Ord k => k -> Map k a -> Maybe a
Map.lookup Text
cid Map Text Conversation
convs
listConversations :: ConvoM [Conversation]
listConversations = do
InMemoryStore TVar (Map Text Conversation)
ref <- ConvoM InMemoryStore
forall r (m :: * -> *). MonadReader r m => m r
ask
Map Text Conversation
convs <- IO (Map Text Conversation) -> ConvoM (Map Text Conversation)
forall a. IO a -> ConvoM a
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO (Map Text Conversation) -> ConvoM (Map Text Conversation))
-> IO (Map Text Conversation) -> ConvoM (Map Text Conversation)
forall a b. (a -> b) -> a -> b
$ TVar (Map Text Conversation) -> IO (Map Text Conversation)
forall a. TVar a -> IO a
readTVarIO TVar (Map Text Conversation)
ref
[Conversation] -> ConvoM [Conversation]
forall a. a -> ConvoM a
forall (m :: * -> *) a. Monad m => a -> m a
return ([Conversation] -> ConvoM [Conversation])
-> [Conversation] -> ConvoM [Conversation]
forall a b. (a -> b) -> a -> b
$ Map Text Conversation -> [Conversation]
forall k a. Map k a -> [a]
Map.elems Map Text Conversation
convs
deleteConversation :: Text -> ConvoM Bool
deleteConversation Text
cid = do
InMemoryStore TVar (Map Text Conversation)
ref <- ConvoM InMemoryStore
forall r (m :: * -> *). MonadReader r m => m r
ask
IO Bool -> ConvoM Bool
forall a. IO a -> ConvoM a
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO Bool -> ConvoM Bool)
-> (STM Bool -> IO Bool) -> STM Bool -> ConvoM Bool
forall b c a. (b -> c) -> (a -> b) -> a -> c
. STM Bool -> IO Bool
forall a. STM a -> IO a
atomically (STM Bool -> ConvoM Bool) -> STM Bool -> ConvoM Bool
forall a b. (a -> b) -> a -> b
$ do
Map Text Conversation
convs <- TVar (Map Text Conversation) -> STM (Map Text Conversation)
forall a. TVar a -> STM a
readTVar TVar (Map Text Conversation)
ref
if Text -> Map Text Conversation -> Bool
forall k a. Ord k => k -> Map k a -> Bool
Map.member Text
cid Map Text Conversation
convs
then do
TVar (Map Text Conversation) -> Map Text Conversation -> STM ()
forall a. TVar a -> a -> STM ()
writeTVar TVar (Map Text Conversation)
ref (Text -> Map Text Conversation -> Map Text Conversation
forall k a. Ord k => k -> Map k a -> Map k a
Map.delete Text
cid Map Text Conversation
convs)
Bool -> STM Bool
forall a. a -> STM a
forall (m :: * -> *) a. Monad m => a -> m a
return Bool
True
else Bool -> STM Bool
forall a. a -> STM a
forall (m :: * -> *) a. Monad m => a -> m a
return Bool
False
validateConversation :: Conversation -> Either Text Conversation
validateConversation :: Conversation -> Either Text Conversation
validateConversation Conversation
conv
| Text -> Bool
T.null (Conversation -> Text
conversationId Conversation
conv) = Text -> Either Text Conversation
forall a b. a -> Either a b
Left Text
"Conversation ID cannot be empty"
| [Message] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null (Conversation -> [Message]
messages Conversation
conv) = Text -> Either Text Conversation
forall a b. a -> Either a b
Left Text
"Conversation must have at least one message"
| Bool
otherwise = Conversation -> Either Text Conversation
forall a b. b -> Either a b
Right Conversation
conv
initInMemoryStore :: IO InMemoryStore
initInMemoryStore :: IO InMemoryStore
initInMemoryStore = TVar (Map Text Conversation) -> InMemoryStore
InMemoryStore (TVar (Map Text Conversation) -> InMemoryStore)
-> IO (TVar (Map Text Conversation)) -> IO InMemoryStore
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Map Text Conversation -> IO (TVar (Map Text Conversation))
forall a. a -> IO (TVar a)
newTVarIO Map Text Conversation
forall k a. Map k a
Map.empty