{-# LANGUAGE TemplateHaskell #-}
module Matterhorn.LastRunState
( LastRunState
, lrsHost
, lrsPort
, lrsUserId
, lrsSelectedChannelId
, lrsOpenThread
, 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
, :: Maybe ChannelId
, LastRunState -> Maybe (ChannelId, PostId)
_lrsOpenThread :: Maybe (ChannelId, PostId)
}
instance A.ToJSON LastRunState where
toJSON :: LastRunState -> Value
toJSON LastRunState
lrs = [Pair] -> Value
A.object [ Key
"host" forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
A..= LastRunState -> Hostname
_lrsHost LastRunState
lrs
, Key
"port" forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
A..= LastRunState -> Port
_lrsPort LastRunState
lrs
, Key
"user_id" forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
A..= LastRunState -> UserId
_lrsUserId LastRunState
lrs
, Key
"sel_channel_id" forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
A..= LastRunState -> Maybe ChannelId
_lrsSelectedChannelId LastRunState
lrs
, Key
"open_thread" forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
A..= LastRunState -> Maybe (ChannelId, PostId)
_lrsOpenThread LastRunState
lrs
]
instance A.FromJSON LastRunState where
parseJSON :: Value -> Parser LastRunState
parseJSON = forall a. String -> (Object -> Parser a) -> Value -> Parser a
A.withObject String
"LastRunState" forall a b. (a -> b) -> a -> b
$ \Object
v ->
Hostname
-> Port
-> UserId
-> Maybe ChannelId
-> Maybe (ChannelId, PostId)
-> LastRunState
LastRunState
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Object
v forall a. FromJSON a => Object -> Key -> Parser a
A..: Key
"host"
forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
<*> Object
v forall a. FromJSON a => Object -> Key -> Parser a
A..: Key
"port"
forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
<*> Object
v forall a. FromJSON a => Object -> Key -> Parser a
A..: Key
"user_id"
forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
<*> Object
v forall a. FromJSON a => Object -> Key -> Parser a
A..: Key
"sel_channel_id"
forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
<*> Object
v forall a. FromJSON a => Object -> Key -> Parser (Maybe a)
A..:? Key
"open_thread"
toLastRunState :: ChatState -> TeamId -> LastRunState
toLastRunState :: ChatState -> TeamId -> LastRunState
toLastRunState ChatState
cs TeamId
tId =
LastRunState { _lrsHost :: Hostname
_lrsHost = ChatState
csforall s a. s -> Getting a s a -> a
^.Lens' ChatState ChatResources
csResourcesforall b c a. (b -> c) -> (a -> b) -> a -> c
.Lens' ChatResources ConnectionData
crConnforall b c a. (b -> c) -> (a -> b) -> a -> c
.Lens' ConnectionData Hostname
cdHostnameL
, _lrsPort :: Port
_lrsPort = ChatState
csforall s a. s -> Getting a s a -> a
^.Lens' ChatState ChatResources
csResourcesforall b c a. (b -> c) -> (a -> b) -> a -> c
.Lens' ChatResources ConnectionData
crConnforall b c a. (b -> c) -> (a -> b) -> a -> c
.Lens' ConnectionData Port
cdPortL
, _lrsUserId :: UserId
_lrsUserId = ChatState -> UserId
myUserId ChatState
cs
, _lrsSelectedChannelId :: Maybe ChannelId
_lrsSelectedChannelId = ChatState
csforall s a. s -> Getting a s a -> a
^.TeamId -> SimpleGetter ChatState (Maybe ChannelId)
csCurrentChannelId(TeamId
tId)
, _lrsOpenThread :: Maybe (ChannelId, PostId)
_lrsOpenThread = do
ThreadInterface
ti <- ChatState
csforall s a. s -> Getting a s a -> a
^.TeamId -> Lens' ChatState TeamState
csTeam(TeamId
tId)forall b c a. (b -> c) -> (a -> b) -> a -> c
.Lens' TeamState (Maybe ThreadInterface)
tsThreadInterface
forall (m :: * -> *) a. Monad m => a -> m a
return (ThreadInterface
tiforall s a. s -> Getting a s a -> a
^.forall n i. Lens' (MessageInterface n i) ChannelId
miChannelId, ThreadInterface
tiforall s a. s -> Getting a s a -> a
^.forall n i1 i2.
Lens (MessageInterface n i1) (MessageInterface n i2) i1 i2
miRootPostId)
}
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 =
forall (t :: * -> *) (m :: * -> *) a b.
(Foldable t, Monad m) =>
t a -> (a -> m b) -> m ()
forM_ (forall k v. HashMap k v -> [k]
HM.keys forall a b. (a -> b) -> a -> b
$ ChatState
csforall s a. s -> Getting a s a -> a
^.Lens' ChatState (HashMap TeamId TeamState)
csTeams) 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 =
case ChatState
csforall s a. s -> Getting a s a -> a
^.TeamId -> SimpleGetter ChatState (Maybe ChannelId)
csCurrentChannelId(TeamId
tId) of
Maybe ChannelId
Nothing -> forall (m :: * -> *) a. Monad m => a -> m a
return ()
Just ChannelId
cId -> case ChatState
csforall s a. s -> Getting (First a) s a -> Maybe a
^?ChannelId -> Traversal' ChatState ClientChannel
csChannel(ChannelId
cId) of
Maybe ClientChannel
Nothing -> forall (m :: * -> *) a. Monad m => a -> m a
return ()
Just ClientChannel
chan ->
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when (ClientChannel
chanforall s a. s -> Getting a s a -> a
^.Lens' ClientChannel ChannelInfo
ccInfoforall b c a. (b -> c) -> (a -> b) -> a -> c
.Lens' ChannelInfo Type
cdType forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` [Type
Ordinary, Type
Private]) forall a b. (a -> b) -> a -> b
$ do
let runState :: LastRunState
runState = ChatState -> TeamId -> LastRunState
toLastRunState ChatState
cs TeamId
tId
String
lastRunStateFile <- Hostname -> IO String
lastRunStateFilePath forall a b. (a -> b) -> a -> b
$ Id -> Hostname
unId forall a b. (a -> b) -> a -> b
$ forall x. IsId x => x -> Id
toId TeamId
tId
Bool -> String -> IO ()
createDirectoryIfMissing Bool
True forall a b. (a -> b) -> a -> b
$ String -> String
dropFileName String
lastRunStateFile
String -> ByteString -> IO ()
BS.writeFile String
lastRunStateFile forall a b. (a -> b) -> a -> b
$ ByteString -> ByteString
LBS.toStrict forall a b. (a -> b) -> a -> b
$ 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 = forall e (m :: * -> *) a. ExceptT e m a -> m (Either e a)
runExceptT forall a b. (a -> b) -> a -> b
$ do
ByteString
contents <- forall a. IO a -> ExceptT String IO a
convertIOException forall a b. (a -> b) -> a -> b
$
Hostname -> IO String
lastRunStateFilePath (Id -> Hostname
unId forall a b. (a -> b) -> a -> b
$ forall x. IsId x => x -> Id
toId TeamId
tId) forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= String -> IO ByteString
BS.readFile
case forall a. FromJSON a => ByteString -> Either String a
A.eitherDecodeStrict' ByteString
contents of
Right LastRunState
val -> forall (m :: * -> *) a. Monad m => a -> m a
return LastRunState
val
Left String
err -> forall (m :: * -> *) e a. Monad m => e -> ExceptT e m a
throwE forall a b. (a -> b) -> a -> b
$ String
"Failed to parse lastRunState file: " forall a. [a] -> [a] -> [a]
++ String
err
isValidLastRunState :: ChatResources -> User -> LastRunState -> Bool
isValidLastRunState :: ChatResources -> User -> LastRunState -> Bool
isValidLastRunState ChatResources
cr User
me LastRunState
rs =
forall (t :: * -> *). Foldable t => t Bool -> Bool
and [ LastRunState
rsforall s a. s -> Getting a s a -> a
^.Lens' LastRunState Hostname
lrsHost forall a. Eq a => a -> a -> Bool
== ChatResources
crforall s a. s -> Getting a s a -> a
^.Lens' ChatResources ConnectionData
crConnforall b c a. (b -> c) -> (a -> b) -> a -> c
.Lens' ConnectionData Hostname
cdHostnameL
, LastRunState
rsforall s a. s -> Getting a s a -> a
^.Lens' LastRunState Port
lrsPort forall a. Eq a => a -> a -> Bool
== ChatResources
crforall s a. s -> Getting a s a -> a
^.Lens' ChatResources ConnectionData
crConnforall b c a. (b -> c) -> (a -> b) -> a -> c
.Lens' ConnectionData Port
cdPortL
, LastRunState
rsforall s a. s -> Getting a s a -> a
^.Lens' LastRunState UserId
lrsUserId forall a. Eq a => a -> a -> Bool
== User
meforall s a. s -> Getting a s a -> a
^.Lens' User UserId
userIdL
]