X-Git-Url: https://git.martlubbers.net/?a=blobdiff_plain;f=Shares%2FmTaskShare.icl;h=a9ebf5600632271d4121e9dde64ebbe021db5cde;hb=1e18ef692756fa4a6f163994e7edb5ad4f11b3db;hp=a360bf830df4ae0583bfecce93a3de47464e0145;hpb=a9e2b5a0fbabf17796a88efc7ab0862948e33e0a;p=mTask.git

diff --git a/Shares/mTaskShare.icl b/Shares/mTaskShare.icl
index a360bf8..a9ebf56 100644
--- a/Shares/mTaskShare.icl
+++ b/Shares/mTaskShare.icl
@@ -6,16 +6,19 @@ import Utils.Devices
 import iTasks
 import mTask
 import Data.List
+import Data.Error
+import Data.Tuple
+from Control.Monad import `b`
 from Data.Func import $
 from StdFunc import flip
 
 derive class iTask MTaskShare
 
 manageShares :: Task [MTaskDevice]
-manageShares = whileUnchanged deviceStore
-	$ \devs->case devs of
-		[] = viewInformation "No devices yet" [] []
-		_ = allTasks (map manageSharesOnDevice devs)
+manageShares = viewInformation "" [] []//whileUnchanged deviceStoreNP
+//	$ \devs->case devs of
+//		[] = viewInformation "No devices yet" [] []
+//		_ = allTasks (map manageSharesOnDevice devs)
 
 manageSharesOnDevice :: MTaskDevice -> Task MTaskDevice
 manageSharesOnDevice dev = (case dev.deviceShares of
@@ -24,7 +27,7 @@ manageSharesOnDevice dev = (case dev.deviceShares of
 	) >>| treturn dev
 
 updateShares :: MTaskDevice ([MTaskShare] -> [MTaskShare]) -> Task [MTaskShare]
-updateShares dev tfun = upd (map upFun) deviceStore 
+updateShares dev tfun = upd (map upFun) (sdsFocus (Just (dev, -1)) deviceStore)
 		@ (\d->d.deviceShares) o fromJust o find ((==)dev)
 	where
 		upFun d = if (dev == d) ({d&deviceShares=tfun d.deviceShares}) d
@@ -59,20 +62,18 @@ updateShares dev tfun = upd (map upFun) deviceStore
 //viewShare m = viewSharedInformation "" [] (getSDSShare m)
 //	<<@ Title ("SDS: " +++ toString m.identifier)
 
-makeShare :: String Int BCValue -> MTaskShare
-makeShare withTask identifier value = {MTaskShare
+makeShare :: String String Int BCValue -> MTaskShare
+makeShare withTask human identifier value = {MTaskShare
 		|withTask=[withTask]
 		,identifier=identifier
 		,value=value
+		,humanName=human
 		}
 
-updateShareFromPublish :: MTaskDevice Int BCValue -> Task [MTaskShare]
-updateShareFromPublish dev ident val = updateShares dev $ map $ up ident val
-	where
-		up :: Int BCValue MTaskShare -> MTaskShare
-		up i v s = if (s.identifier == i) {MTaskShare | s & value=val} s
-
 import GenPrint, StdMisc, StdDebug, TTY
+
+gPrint{|BCState|} x st = gPrint{|*|} "BCState..." st
+
 derive gPrint MTaskDevice, MTaskShare, Maybe, MTaskResource, MTaskTask, TaskId, TTYSettings, TCPSettings, DateTime
 derive gPrint Parity, BaudRate, ByteSize
 
@@ -90,19 +91,59 @@ cleanSharesTask taskid d = updateShares d id //TODO
 //		up :: [String] MTaskShare -> MTaskShare
 //		up ns s = {MTaskShare | s & withTask=[t\\t<-s.withTask|not (isMember t ns)]}
 
-getRealShare :: MTaskDevice BCShare -> Shared BCValue
-getRealShare dev {sdsi} = SDSSource {SDSSource
-	| name = "mTaskShareMap-" +++ toString sdsi, read=rr, write=ww}
-	where
-		rr name iworld = case read deviceStore iworld of
-			(Error e, iworld) = (Error e, iworld)
-			(Ok devices, iworld) = case find ((==)dev) devices of
-				Nothing = (Error $ exception "Device doesn't exist anymore", iworld)
-				Just {deviceShares} = case find (\s->s.identifier == sdsi) deviceShares of
-					Nothing = (Error $ exception "Share doesn't exist", iworld)
-					Just share = (Ok share.MTaskShare.value, iworld)
-			
-		// Also send messages
-		ww name value iworld = undef//case modify (modFun name value) sdsStore of
-//			(Error e, iworld) = (Error e, iworld)
-//			(Ok shares, iworld) = (Ok $ const True, iworld)
+instance == MTaskShare where
+	(==) a b = a.identifier == b.identifier
+
+getRealShare :: MTaskDevice MTaskShare -> Shared BCValue
+getRealShare dev share = sdsFocus ()
+	$ mapReadWriteError (deviceLens dev share)
+	$ sdsFocus (Just (dev, share.identifier))
+	$ deviceStore
+
+//getRealShare :: MTaskDevice MTaskShare -> Shared BCValue
+//getRealShare dev share = sdsLens
+//	("realShare" +++ toString share.identifier)
+//	(const $ Just (dev, share.identifier))
+//	(SDSRead $ const $ \rs->case find ((==)dev) rs of
+//		Nothing = Error $ exception "Device doesn't exist anymore"
+//		Just {deviceShares} = case find ((==)share) deviceShares of
+//			Nothing = Error $ exception "Share doesn't exist anymore"
+//			Just share = Ok share.MTaskShare.value
+//	)
+//	(SDSWrite $ const $ \rs w->partition ((==)dev) devs of
+//		([], _) = Error $ exception "Device doesn't exist anymore"
+//		([_,_:_], _) = Error $ exception "Multiple matching devices"
+//		([d=:{deviceShares}], devs) = case partition ((==)share) deviceShares of
+//			([], _) = Error $ exception "Share doesn't exist anymore"
+//			([_,_:_], _) = Error $ exception "Multiple matching shares"
+//			([s], shares)
+//				# s = {MTaskShare | s & value=val}
+//				# d = {MTaskDevice | d & deviceShares=[s:shares]}
+//				= Ok $ Just [d:devs])
+//	(SDSNotify $ const $ \rs w
+
+deviceLens dev share = (mread, mwrite)
+where
+	mread :: [MTaskDevice] -> MaybeError TaskException BCValue
+	mread devs = mb2error (exception "Device lost") (find ((==)dev) devs)
+		`b` \d->mb2error (exception "Share lost") (find ((==)share) d.deviceShares)
+		`b` \s->Ok s.MTaskShare.value
+	
+	mwrite :: BCValue [MTaskDevice] -> MaybeError TaskException (Maybe [MTaskDevice])
+	mwrite val devs = case partition ((==)dev) devs of
+		([], _) = Error $ exception "Device doesn't exist anymore"
+		([_,_:_], _) = Error $ exception "Multiple matching devices"
+		([d=:{deviceShares}], devs) = case partition ((==)share) deviceShares of
+			([], _) = Error $ exception "Share doesn't exist anymore"
+			([_,_:_], _) = Error $ exception "Multiple matching shares"
+			([s], shares)
+				# s = {MTaskShare | s & value=val}
+				# d = {MTaskDevice | d & deviceShares=[s:shares]}
+				= Ok $ Just [d:devs]
+
+updateShareFromPublish :: MTaskDevice Int BCValue -> Task BCValue
+updateShareFromPublish dev ident val = set val 
+	$ mapReadWriteError (deviceLens dev dummy)
+	$ deviceStoreNP
+where
+	dummy = {MTaskShare|humanName="",value=BCValue 0,identifier=ident,withTask=[]}