module Blammo.Logging.LogSettings.LogLevels
( LogLevels
, LogLevel(..)
, newLogLevels
, readLogLevels
, shouldLogLevel
, defaultLogLevels
) where
import Prelude
import Control.Monad.Logger.Aeson
import Data.Either (partitionEithers)
import Data.Map.Strict (Map)
import qualified Data.Map.Strict as Map
import Data.Maybe (fromMaybe)
import Data.Text (Text, pack, unpack)
import qualified Data.Text as T
data LogLevels = LogLevels
{ LogLevels -> LogLevel
llDefaultLevel :: LogLevel
, LogLevels -> Map Text LogLevel
llSourceLevels :: Map LogSource LogLevel
}
deriving stock (LogLevels -> LogLevels -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: LogLevels -> LogLevels -> Bool
$c/= :: LogLevels -> LogLevels -> Bool
== :: LogLevels -> LogLevels -> Bool
$c== :: LogLevels -> LogLevels -> Bool
Eq, Int -> LogLevels -> ShowS
[LogLevels] -> ShowS
LogLevels -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [LogLevels] -> ShowS
$cshowList :: [LogLevels] -> ShowS
show :: LogLevels -> String
$cshow :: LogLevels -> String
showsPrec :: Int -> LogLevels -> ShowS
$cshowsPrec :: Int -> LogLevels -> ShowS
Show)
newLogLevels :: LogLevel -> [(LogSource, LogLevel)] -> LogLevels
newLogLevels :: LogLevel -> [(Text, LogLevel)] -> LogLevels
newLogLevels LogLevel
level [(Text, LogLevel)]
sourceLevels = LogLevels
{ llDefaultLevel :: LogLevel
llDefaultLevel = LogLevel
level
, llSourceLevels :: Map Text LogLevel
llSourceLevels = forall k a. Ord k => [(k, a)] -> Map k a
Map.fromList [(Text, LogLevel)]
sourceLevels
}
readLogLevels :: String -> Either String LogLevels
readLogLevels :: String -> Either String LogLevels
readLogLevels String
s = ([LogLevel], [(Text, LogLevel)]) -> Either String LogLevels
toLogLevels forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a b. [Either a b] -> ([a], [b])
partitionEithers forall (m :: * -> *) a b. Monad m => (a -> m b) -> m a -> m b
=<< forall (t :: * -> *) (f :: * -> *) a b.
(Traversable t, Applicative f) =>
(a -> f b) -> t a -> f (t b)
traverse Text -> Either String (Either LogLevel (Text, LogLevel))
readPiece [Text]
pieces
where
toLogLevels :: ([LogLevel], [(Text, LogLevel)]) -> Either String LogLevels
toLogLevels = \case
([], [(Text, LogLevel)]
_) -> forall {b}. String -> Either String b
invalid String
"no level present"
(LogLevel
_ : LogLevel
_ : [LogLevel]
_, [(Text, LogLevel)]
_) -> forall {b}. String -> Either String b
invalid String
"more than one level present"
([LogLevel
level], [(Text, LogLevel)]
sourceLevels) -> forall (f :: * -> *) a. Applicative f => a -> f a
pure forall a b. (a -> b) -> a -> b
$ LogLevel -> [(Text, LogLevel)] -> LogLevels
newLogLevels LogLevel
level [(Text, LogLevel)]
sourceLevels
readPiece :: Text -> Either String (Either LogLevel (Text, LogLevel))
readPiece Text
t = case Text -> Text -> (Text, Text)
T.breakOn Text
":" Text
t of
(Text
a, Text
":") -> forall {b}. String -> Either String b
invalid forall a b. (a -> b) -> a -> b
$ String
"no level for source " forall a. Semigroup a => a -> a -> a
<> Text -> String
unpack Text
a
(Text
a, Text
b) | Text -> Bool
T.null Text
a -> forall {b}. String -> Either String b
invalid forall a b. (a -> b) -> a -> b
$ String
"no source for level" forall a. Semigroup a => a -> a -> a
<> Text -> String
unpack Text
b
(Text
a, Text
b) | Text -> Bool
T.null Text
b -> forall (f :: * -> *) a. Applicative f => a -> f a
pure forall a b. (a -> b) -> a -> b
$ forall a b. a -> Either a b
Left forall a b. (a -> b) -> a -> b
$ Text -> LogLevel
readLogLevel Text
a
(Text
a, Text
b) -> forall (f :: * -> *) a. Applicative f => a -> f a
pure forall a b. (a -> b) -> a -> b
$ forall a b. b -> Either a b
Right (Text
a, Text -> LogLevel
readLogLevel forall a b. (a -> b) -> a -> b
$ Int -> Text -> Text
T.drop Int
1 Text
b)
pieces :: [Text]
pieces = forall a. (a -> Bool) -> [a] -> [a]
filter (Bool -> Bool
not forall b c a. (b -> c) -> (a -> b) -> a -> c
. Text -> Bool
T.null) forall a b. (a -> b) -> a -> b
$ forall a b. (a -> b) -> [a] -> [b]
map Text -> Text
T.strip forall a b. (a -> b) -> a -> b
$ Text -> Text -> [Text]
T.splitOn Text
"," forall a b. (a -> b) -> a -> b
$ String -> Text
pack String
s
invalid :: String -> Either String b
invalid String
reason = forall a b. a -> Either a b
Left forall a b. (a -> b) -> a -> b
$ String
"Invalid log level " forall a. Semigroup a => a -> a -> a
<> String
s forall a. Semigroup a => a -> a -> a
<> String
", " forall a. Semigroup a => a -> a -> a
<> String
reason
readLogLevel :: Text -> LogLevel
readLogLevel :: Text -> LogLevel
readLogLevel Text
t = case Text -> Text
T.toLower Text
t of
Text
"debug" -> LogLevel
LevelDebug
Text
"info" -> LogLevel
LevelInfo
Text
"warn" -> LogLevel
LevelWarn
Text
"error" -> LogLevel
LevelError
Text
_ -> Text -> LogLevel
LevelOther Text
t
shouldLogLevel :: LogLevels -> LogSource -> LogLevel -> Bool
shouldLogLevel :: LogLevels -> Text -> LogLevel -> Bool
shouldLogLevel LogLevels {Map Text LogLevel
LogLevel
llSourceLevels :: Map Text LogLevel
llDefaultLevel :: LogLevel
llSourceLevels :: LogLevels -> Map Text LogLevel
llDefaultLevel :: LogLevels -> LogLevel
..} Text
source = (LogLevel -> LogLevel -> Bool
`lgte` LogLevel
minLevel)
where minLevel :: LogLevel
minLevel = forall a. a -> Maybe a -> a
fromMaybe LogLevel
llDefaultLevel forall a b. (a -> b) -> a -> b
$ forall k a. Ord k => k -> Map k a -> Maybe a
Map.lookup Text
source Map Text LogLevel
llSourceLevels
defaultLogLevels :: LogLevels
defaultLogLevels :: LogLevels
defaultLogLevels =
LogLevels { llDefaultLevel :: LogLevel
llDefaultLevel = LogLevel
LevelInfo, llSourceLevels :: Map Text LogLevel
llSourceLevels = forall k a. Map k a
Map.empty }
lgte :: LogLevel -> LogLevel -> Bool
lgte :: LogLevel -> LogLevel -> Bool
lgte LogLevel
_ (LevelOther Text
x) | Text -> Text
T.toLower Text
x forall a. Eq a => a -> a -> Bool
== Text
"trace" = Bool
True
lgte (LevelOther Text
x) LogLevel
_ | Text -> Text
T.toLower Text
x forall a. Eq a => a -> a -> Bool
== Text
"trace" = Bool
False
lgte LogLevel
a LogLevel
b = LogLevel
a forall a. Ord a => a -> a -> Bool
>= LogLevel
b