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handle inserting unique apps and versions

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This commit is contained in:
Lucy Cifferello
2020-06-22 17:27:31 -06:00
parent 69dc5922cf
commit d3929d8b88
2 changed files with 17 additions and 12 deletions
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21
src/Handler/Apps.hs
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@@ -86,19 +86,24 @@ getApp rootDir ext@(Extension appId) = do
sa <- runDB $ fetchApp appId'
(appKey, versionKey) <- case sa of
Nothing -> do
ak <- runDB $ createApp appId' storeApp
vk <- runDB $ createAppVersion ak versionInfo
pure (ak, vk)
appKey' <- runDB $ createApp appId' storeApp >>= errOnNothing status500 "duplicate app created"
versionKey' <- runDB $ createAppVersion appKey' versionInfo >>= errOnNothing status500 "duplicate app version created"
pure (appKey', versionKey')
Just a -> do
let appKey' = entityKey a
maybeVer <- runDB $ fetchAppVersion appVersion appKey'
case maybeVer of
existingVersion <- runDB $ fetchAppVersion appVersion appKey'
case existingVersion of
Nothing -> do
av <- runDB $ createAppVersion appKey' versionInfo
pure (appKey', av)
appVersion' <- runDB $ createAppVersion appKey' versionInfo >>= errOnNothing status500 "duplicate app version created"
pure (appKey', appVersion')
Just v -> pure (appKey', entityKey v)
runDB $ createMetric appKey versionKey
sz <- liftIO $ fileSize <$> getFileStatus filePath
addHeader "Content-Length" (show sz)
respondSource typePlain $ CB.sourceFile filePath .| awaitForever sendChunkBS
else notFound
else notFound
errOnNothing :: MonadHandler m => Status -> Text -> Maybe a -> m a
errOnNothing status res entity = case entity of
Nothing -> sendResponseStatus status res
Just a -> pure a