{-# LANGUAGE TemplateHaskell #-}
module Matterhorn.LastRunState
( LastRunState
, lrsHost
, lrsPort
, lrsUserId
, lrsSelectedChannelId
, writeLastRunStates
, readLastRunState
, isValidLastRunState
)
where
import Prelude ()
import Matterhorn.Prelude
import Control.Monad.Trans.Except
import qualified Data.Aeson as A
import qualified Data.ByteString as BS
import qualified Data.ByteString.Lazy as LBS
import qualified Data.HashMap.Strict as HM
import Lens.Micro.Platform ( makeLenses )
import System.Directory ( createDirectoryIfMissing )
import System.FilePath ( dropFileName )
import qualified System.Posix.Files as P
import qualified System.Posix.Types as P
import Network.Mattermost.Lenses
import Network.Mattermost.Types
import Matterhorn.FilePaths
import Matterhorn.IOUtil
import Matterhorn.Types
data LastRunState = LastRunState
{ LastRunState -> Hostname
_lrsHost :: Hostname
, LastRunState -> Port
_lrsPort :: Port
, LastRunState -> UserId
_lrsUserId :: UserId
, :: ChannelId
}
instance A.ToJSON LastRunState where
toJSON :: LastRunState -> Value
toJSON LastRunState
lrs = [Pair] -> Value
A.object [ Hostname
"host" Hostname -> Hostname -> Pair
forall kv v. (KeyValue kv, ToJSON v) => Hostname -> v -> kv
A..= LastRunState -> Hostname
_lrsHost LastRunState
lrs
, Hostname
"port" Hostname -> Port -> Pair
forall kv v. (KeyValue kv, ToJSON v) => Hostname -> v -> kv
A..= LastRunState -> Port
_lrsPort LastRunState
lrs
, Hostname
"user_id" Hostname -> UserId -> Pair
forall kv v. (KeyValue kv, ToJSON v) => Hostname -> v -> kv
A..= LastRunState -> UserId
_lrsUserId LastRunState
lrs
, Hostname
"sel_channel_id" Hostname -> ChannelId -> Pair
forall kv v. (KeyValue kv, ToJSON v) => Hostname -> v -> kv
A..= LastRunState -> ChannelId
_lrsSelectedChannelId LastRunState
lrs
]
instance A.FromJSON LastRunState where
parseJSON :: Value -> Parser LastRunState
parseJSON = String
-> (Object -> Parser LastRunState) -> Value -> Parser LastRunState
forall a. String -> (Object -> Parser a) -> Value -> Parser a
A.withObject String
"LastRunState" ((Object -> Parser LastRunState) -> Value -> Parser LastRunState)
-> (Object -> Parser LastRunState) -> Value -> Parser LastRunState
forall a b. (a -> b) -> a -> b
$ \Object
v ->
Hostname -> Port -> UserId -> ChannelId -> LastRunState
LastRunState
(Hostname -> Port -> UserId -> ChannelId -> LastRunState)
-> Parser Hostname
-> Parser (Port -> UserId -> ChannelId -> LastRunState)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Object
v Object -> Hostname -> Parser Hostname
forall a. FromJSON a => Object -> Hostname -> Parser a
A..: Hostname
"host"
Parser (Port -> UserId -> ChannelId -> LastRunState)
-> Parser Port -> Parser (UserId -> ChannelId -> LastRunState)
forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
<*> Object
v Object -> Hostname -> Parser Port
forall a. FromJSON a => Object -> Hostname -> Parser a
A..: Hostname
"port"
Parser (UserId -> ChannelId -> LastRunState)
-> Parser UserId -> Parser (ChannelId -> LastRunState)
forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
<*> Object
v Object -> Hostname -> Parser UserId
forall a. FromJSON a => Object -> Hostname -> Parser a
A..: Hostname
"user_id"
Parser (ChannelId -> LastRunState)
-> Parser ChannelId -> Parser LastRunState
forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
<*> Object
v Object -> Hostname -> Parser ChannelId
forall a. FromJSON a => Object -> Hostname -> Parser a
A..: Hostname
"sel_channel_id"
toLastRunState :: ChatState -> LastRunState
toLastRunState :: ChatState -> LastRunState
toLastRunState ChatState
cs = LastRunState :: Hostname -> Port -> UserId -> ChannelId -> LastRunState
LastRunState
{ _lrsHost :: Hostname
_lrsHost = ChatState
csChatState -> Getting Hostname ChatState Hostname -> Hostname
forall s a. s -> Getting a s a -> a
^.(ChatResources -> Const Hostname ChatResources)
-> ChatState -> Const Hostname ChatState
Lens' ChatState ChatResources
csResources((ChatResources -> Const Hostname ChatResources)
-> ChatState -> Const Hostname ChatState)
-> ((Hostname -> Const Hostname Hostname)
-> ChatResources -> Const Hostname ChatResources)
-> Getting Hostname ChatState Hostname
forall b c a. (b -> c) -> (a -> b) -> a -> c
.(ConnectionData -> Const Hostname ConnectionData)
-> ChatResources -> Const Hostname ChatResources
Lens' ChatResources ConnectionData
crConn((ConnectionData -> Const Hostname ConnectionData)
-> ChatResources -> Const Hostname ChatResources)
-> ((Hostname -> Const Hostname Hostname)
-> ConnectionData -> Const Hostname ConnectionData)
-> (Hostname -> Const Hostname Hostname)
-> ChatResources
-> Const Hostname ChatResources
forall b c a. (b -> c) -> (a -> b) -> a -> c
.(Hostname -> Const Hostname Hostname)
-> ConnectionData -> Const Hostname ConnectionData
Lens' ConnectionData Hostname
cdHostnameL
, _lrsPort :: Port
_lrsPort = ChatState
csChatState -> Getting Port ChatState Port -> Port
forall s a. s -> Getting a s a -> a
^.(ChatResources -> Const Port ChatResources)
-> ChatState -> Const Port ChatState
Lens' ChatState ChatResources
csResources((ChatResources -> Const Port ChatResources)
-> ChatState -> Const Port ChatState)
-> ((Port -> Const Port Port)
-> ChatResources -> Const Port ChatResources)
-> Getting Port ChatState Port
forall b c a. (b -> c) -> (a -> b) -> a -> c
.(ConnectionData -> Const Port ConnectionData)
-> ChatResources -> Const Port ChatResources
Lens' ChatResources ConnectionData
crConn((ConnectionData -> Const Port ConnectionData)
-> ChatResources -> Const Port ChatResources)
-> ((Port -> Const Port Port)
-> ConnectionData -> Const Port ConnectionData)
-> (Port -> Const Port Port)
-> ChatResources
-> Const Port ChatResources
forall b c a. (b -> c) -> (a -> b) -> a -> c
.(Port -> Const Port Port)
-> ConnectionData -> Const Port ConnectionData
Lens' ConnectionData Port
cdPortL
, _lrsUserId :: UserId
_lrsUserId = ChatState -> UserId
myUserId ChatState
cs
, _lrsSelectedChannelId :: ChannelId
_lrsSelectedChannelId = ChatState
csChatState -> Getting ChannelId ChatState ChannelId -> ChannelId
forall s a. s -> Getting a s a -> a
^.TeamId -> SimpleGetter ChatState ChannelId
csCurrentChannelId(ChatState
csChatState -> Getting TeamId ChatState TeamId -> TeamId
forall s a. s -> Getting a s a -> a
^.Getting TeamId ChatState TeamId
SimpleGetter ChatState TeamId
csCurrentTeamId)
}
lastRunStateFileMode :: P.FileMode
lastRunStateFileMode :: FileMode
lastRunStateFileMode = FileMode -> FileMode -> FileMode
P.unionFileModes FileMode
P.ownerReadMode FileMode
P.ownerWriteMode
writeLastRunStates :: ChatState -> IO ()
writeLastRunStates :: ChatState -> IO ()
writeLastRunStates ChatState
cs =
[TeamId] -> (TeamId -> IO ()) -> IO ()
forall (t :: * -> *) (m :: * -> *) a b.
(Foldable t, Monad m) =>
t a -> (a -> m b) -> m ()
forM_ (HashMap TeamId TeamState -> [TeamId]
forall k v. HashMap k v -> [k]
HM.keys (HashMap TeamId TeamState -> [TeamId])
-> HashMap TeamId TeamState -> [TeamId]
forall a b. (a -> b) -> a -> b
$ ChatState
csChatState
-> Getting
(HashMap TeamId TeamState) ChatState (HashMap TeamId TeamState)
-> HashMap TeamId TeamState
forall s a. s -> Getting a s a -> a
^.Getting
(HashMap TeamId TeamState) ChatState (HashMap TeamId TeamState)
Lens' ChatState (HashMap TeamId TeamState)
csTeams) ((TeamId -> IO ()) -> IO ()) -> (TeamId -> IO ()) -> IO ()
forall a b. (a -> b) -> a -> b
$ \TeamId
tId ->
ChatState -> TeamId -> IO ()
writeLastRunState ChatState
cs TeamId
tId
writeLastRunState :: ChatState -> TeamId -> IO ()
writeLastRunState :: ChatState -> TeamId -> IO ()
writeLastRunState ChatState
cs TeamId
tId = do
Bool -> IO () -> IO ()
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when (ChatState
csChatState -> Getting Type ChatState Type -> Type
forall s a. s -> Getting a s a -> a
^.(ClientChannel -> Const Type ClientChannel)
-> ChatState -> Const Type ChatState
Lens' ChatState ClientChannel
csCurrentChannel((ClientChannel -> Const Type ClientChannel)
-> ChatState -> Const Type ChatState)
-> ((Type -> Const Type Type)
-> ClientChannel -> Const Type ClientChannel)
-> Getting Type ChatState Type
forall b c a. (b -> c) -> (a -> b) -> a -> c
.(ChannelInfo -> Const Type ChannelInfo)
-> ClientChannel -> Const Type ClientChannel
Lens' ClientChannel ChannelInfo
ccInfo((ChannelInfo -> Const Type ChannelInfo)
-> ClientChannel -> Const Type ClientChannel)
-> ((Type -> Const Type Type)
-> ChannelInfo -> Const Type ChannelInfo)
-> (Type -> Const Type Type)
-> ClientChannel
-> Const Type ClientChannel
forall b c a. (b -> c) -> (a -> b) -> a -> c
.(Type -> Const Type Type) -> ChannelInfo -> Const Type ChannelInfo
Lens' ChannelInfo Type
cdType Type -> [Type] -> Bool
forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` [Type
Ordinary, Type
Private]) (IO () -> IO ()) -> IO () -> IO ()
forall a b. (a -> b) -> a -> b
$ do
let runState :: LastRunState
runState = ChatState -> LastRunState
toLastRunState ChatState
cs
String
lastRunStateFile <- Hostname -> IO String
lastRunStateFilePath (Hostname -> IO String) -> Hostname -> IO String
forall a b. (a -> b) -> a -> b
$ Id -> Hostname
unId (Id -> Hostname) -> Id -> Hostname
forall a b. (a -> b) -> a -> b
$ TeamId -> Id
forall x. IsId x => x -> Id
toId TeamId
tId
Bool -> String -> IO ()
createDirectoryIfMissing Bool
True (String -> IO ()) -> String -> IO ()
forall a b. (a -> b) -> a -> b
$ String -> String
dropFileName String
lastRunStateFile
String -> ByteString -> IO ()
BS.writeFile String
lastRunStateFile (ByteString -> IO ()) -> ByteString -> IO ()
forall a b. (a -> b) -> a -> b
$ ByteString -> ByteString
LBS.toStrict (ByteString -> ByteString) -> ByteString -> ByteString
forall a b. (a -> b) -> a -> b
$ LastRunState -> ByteString
forall a. ToJSON a => a -> ByteString
A.encode LastRunState
runState
String -> FileMode -> IO ()
P.setFileMode String
lastRunStateFile FileMode
lastRunStateFileMode
readLastRunState :: TeamId -> IO (Either String LastRunState)
readLastRunState :: TeamId -> IO (Either String LastRunState)
readLastRunState TeamId
tId = ExceptT String IO LastRunState -> IO (Either String LastRunState)
forall e (m :: * -> *) a. ExceptT e m a -> m (Either e a)
runExceptT (ExceptT String IO LastRunState -> IO (Either String LastRunState))
-> ExceptT String IO LastRunState
-> IO (Either String LastRunState)
forall a b. (a -> b) -> a -> b
$ do
ByteString
contents <- IO ByteString -> ExceptT String IO ByteString
forall a. IO a -> ExceptT String IO a
convertIOException (IO ByteString -> ExceptT String IO ByteString)
-> IO ByteString -> ExceptT String IO ByteString
forall a b. (a -> b) -> a -> b
$
Hostname -> IO String
lastRunStateFilePath (Id -> Hostname
unId (Id -> Hostname) -> Id -> Hostname
forall a b. (a -> b) -> a -> b
$ TeamId -> Id
forall x. IsId x => x -> Id
toId TeamId
tId) IO String -> (String -> IO ByteString) -> IO ByteString
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= String -> IO ByteString
BS.readFile
case ByteString -> Either String LastRunState
forall a. FromJSON a => ByteString -> Either String a
A.eitherDecodeStrict' ByteString
contents of
Right LastRunState
val -> LastRunState -> ExceptT String IO LastRunState
forall (m :: * -> *) a. Monad m => a -> m a
return LastRunState
val
Left String
err -> String -> ExceptT String IO LastRunState
forall (m :: * -> *) e a. Monad m => e -> ExceptT e m a
throwE (String -> ExceptT String IO LastRunState)
-> String -> ExceptT String IO LastRunState
forall a b. (a -> b) -> a -> b
$ String
"Failed to parse lastRunState file: " String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
err
isValidLastRunState :: ChatResources -> User -> LastRunState -> Bool
isValidLastRunState :: ChatResources -> User -> LastRunState -> Bool
isValidLastRunState ChatResources
cr User
me LastRunState
rs =
LastRunState
rsLastRunState -> Getting Hostname LastRunState Hostname -> Hostname
forall s a. s -> Getting a s a -> a
^.Getting Hostname LastRunState Hostname
Lens' LastRunState Hostname
lrsHost Hostname -> Hostname -> Bool
forall a. Eq a => a -> a -> Bool
== ChatResources
crChatResources
-> ((Hostname -> Const Hostname Hostname)
-> ChatResources -> Const Hostname ChatResources)
-> Hostname
forall s a. s -> Getting a s a -> a
^.(ConnectionData -> Const Hostname ConnectionData)
-> ChatResources -> Const Hostname ChatResources
Lens' ChatResources ConnectionData
crConn((ConnectionData -> Const Hostname ConnectionData)
-> ChatResources -> Const Hostname ChatResources)
-> ((Hostname -> Const Hostname Hostname)
-> ConnectionData -> Const Hostname ConnectionData)
-> (Hostname -> Const Hostname Hostname)
-> ChatResources
-> Const Hostname ChatResources
forall b c a. (b -> c) -> (a -> b) -> a -> c
.(Hostname -> Const Hostname Hostname)
-> ConnectionData -> Const Hostname ConnectionData
Lens' ConnectionData Hostname
cdHostnameL
Bool -> Bool -> Bool
&& LastRunState
rsLastRunState -> Getting Port LastRunState Port -> Port
forall s a. s -> Getting a s a -> a
^.Getting Port LastRunState Port
Lens' LastRunState Port
lrsPort Port -> Port -> Bool
forall a. Eq a => a -> a -> Bool
== ChatResources
crChatResources
-> ((Port -> Const Port Port)
-> ChatResources -> Const Port ChatResources)
-> Port
forall s a. s -> Getting a s a -> a
^.(ConnectionData -> Const Port ConnectionData)
-> ChatResources -> Const Port ChatResources
Lens' ChatResources ConnectionData
crConn((ConnectionData -> Const Port ConnectionData)
-> ChatResources -> Const Port ChatResources)
-> ((Port -> Const Port Port)
-> ConnectionData -> Const Port ConnectionData)
-> (Port -> Const Port Port)
-> ChatResources
-> Const Port ChatResources
forall b c a. (b -> c) -> (a -> b) -> a -> c
.(Port -> Const Port Port)
-> ConnectionData -> Const Port ConnectionData
Lens' ConnectionData Port
cdPortL
Bool -> Bool -> Bool
&& LastRunState
rsLastRunState -> Getting UserId LastRunState UserId -> UserId
forall s a. s -> Getting a s a -> a
^.Getting UserId LastRunState UserId
Lens' LastRunState UserId
lrsUserId UserId -> UserId -> Bool
forall a. Eq a => a -> a -> Bool
== User
meUser -> Getting UserId User UserId -> UserId
forall s a. s -> Getting a s a -> a
^.Getting UserId User UserId
Lens' User UserId
userIdL