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|
{-# LANGUAGE BlockArguments #-}
{-# LANGUAGE QuasiQuotes #-}
module Server.Frontend.Tracker
(getTrackerViewR, getTrackersR, postTrackersR, postTrackerDeleteR,
postTrackerCommandR)
where
import Data.Aeson (decode, Value)
import Data.ByteString (fromStrict)
import Data.Coerce (coerce)
import Data.Function ((&))
import Data.Functor ((<&>))
import qualified Data.Map as M
import Data.Text (Text)
import qualified Data.Text as T
import Data.Text.Encoding (encodeUtf8)
import Data.Time (getCurrentTime)
import qualified Data.UUID as UUID
import Database.Esqueleto.Experimental hiding ((<&>))
import Persist
import Server.Frontend.Routes (FrontendMessage (..), Handler,
Route (..), Widget)
import Yesod hiding (delete, update, (=.),
(==.))
import OwnTracks.Command
import OwnTracks.Status
getTrackersR :: Handler Html
getTrackersR = do
trackers <- runDB $ select do
(t :& p) <- from $
(table @Tracker) `LeftOuterJoin` (table @Ping)
`on` \(t :& p) -> just (t ^. TrackerId) ==. p ?. PingTrackerId
pure (t, p)
& fmap associateJoin
createWidget <- trackerCreateWidget
defaultLayout [whamlet|
<h1> Trackers
<section>
<ul>
$forall (trackerId, (Tracker{..}, status)) <- M.toList trackers
<li><a href="@{TrackerViewR trackerName}">#{trackerName}</a>
<section>
^{createWidget}
|]
trackerCreateForm
:: Html
-> MForm Handler (FormResult Tracker, Widget)
trackerCreateForm = renderDivs $ Tracker
<$> areq textField (fieldSettingsLabel MsgTrackerName) Nothing
<*> pure False
<*> areq textField (fieldSettingsLabel MsgTrackerAgent) Nothing
<*> pure Nothing
trackerCreateWidget :: Handler Html
trackerCreateWidget = do
(widget, enctype) <- generateFormPost trackerCreateForm
defaultLayout [whamlet|
<h2> _{MsgCreateTracker}
<form method=post action="@{TrackersR}" enctype=#{enctype}>
^{widget}
<button>_{MsgSubmit}
|]
postTrackersR :: Handler Html
postTrackersR = do
((result, widget), enctype) <- runFormPost trackerCreateForm
case result of
FormSuccess ann -> do
runDB do
insert ann
redirect TrackersR
_ -> defaultLayout
[whamlet|
<p>_{MsgInvalidInput}.
<form method=post action=@{TrackersR} enctype=#{enctype}>
^{widget}
<button>_{MsgSubmit}
|]
trackerCommandForm
:: Html -> MForm Handler (FormResult Command, Widget)
trackerCommandForm = renderDivs do
text <- areq textField (fieldSettingsLabel MsgSendCommand) (Just "{\"action\": \"dump\"}")
let Just c = (decode (fromStrict (encodeUtf8 text)))
pure c
trackerCommandWidget :: Text -> Handler Html
trackerCommandWidget name = do
(widget, enctype) <- generateFormPost trackerCommandForm
defaultLayout [whamlet|
<h2> _{MsgSendCommand}
<form method=post action="@{TrackerCommandR name}" enctype=#{enctype}>
^{widget}
<button>_{MsgSubmit}
|]
postTrackerCommandR :: Text -> Handler Html
postTrackerCommandR name = do
((result, widget), enctype) <- runFormPost trackerCommandForm
case result of
FormSuccess command -> do
now <- liftIO $ getCurrentTime
res <- runDB $
(selectOne do
tracker <- from (table @Tracker)
where_ (tracker ^. TrackerName ==. val name)
pure tracker)
>>= mapM \tracker ->
insert $ TrackerCommand
{ trackerCommandTracker = entityKey tracker
, trackerCommandTimestamp = now
, trackerCommandStatus = Queued
, trackerCommandCommand = command
}
case res of
Just _ -> redirect $ TrackerViewR name
Nothing -> notFound
_ -> defaultLayout
[whamlet|
<p>_{MsgInvalidInput}.
<form method=post action=@{TrackerCommandR name} enctype=#{enctype}>
^{widget}
<button>_{MsgSubmit}
|]
getTrackerViewR :: Text -> Handler Html
getTrackerViewR name =
runDB (selectOne do
tracker <- from (table @Tracker)
where_ (tracker ^. TrackerName ==. val name)
pure tracker)
>>= \case
Nothing -> notFound
Just (Entity trackerId Tracker{..}) -> do
(maybeStatus, maybePing) <- runDB $ do
status <- selectOne do
status <- from (table @TrackerStatus)
where_ (status ^. TrackerStatusTracker ==. val trackerId)
orderBy [desc $ status ^. TrackerStatusTimestamp]
pure status
ping <- selectOne do
ping <- from (table @Ping)
where_ (ping ^. PingTrackerId ==. val trackerId)
orderBy [desc $ ping ^. PingTimestamp]
pure ping
pure (status, ping)
commandWidget <- trackerCommandWidget name
-- TODO: leaflet map; auto updates?
defaultLayout [whamlet|
<h1> _{MsgTracker name}
<section>
<h1> _{MsgTracker name}
<p>
Agent: #{trackerAgent} <br>
UUID: #{trackerId}
<p>
<form action=@{TrackerDeleteR trackerName} method="post">
<button> _{Msgdelete}
<section>
<h2> _{MsgLastTrackerStatus}
$maybe Entity _ TrackerStatus{..} <- maybeStatus
LocationPermission: #{show $ statusLocationPermission trackerStatusStatus} <br>
BatteryOptimisations: #{show $ statusBatteryOptimizations trackerStatusStatus} <br>
Phone in power save mode: #{show $ statusPhonePowerSaveMode trackerStatusStatus}
$nothing
<em>Status unknown
<section>
<h2> _{MsgLastTrackerPosition}
$maybe Entity _ Ping{..} <- maybePing
Position: #{show pingGeopos} <br>
Timestamp: #{show pingTimestamp} <br>
$maybe ticketId <- pingTicket
Ticket: <a href="@{TicketViewR (coerce ticketId)}">#{UUID.toText (coerce ticketId)}</a>
$nothing
Ticket: (no assigned ticket)
$nothing
(none)
<section>
^{commandWidget}
|]
postTrackerDeleteR :: Text -> Handler Html
postTrackerDeleteR name = do
runDB $ delete do
tracker <- from (table @Tracker)
where_ (tracker ^. TrackerName ==. val name)
redirect TrackersR
|
