{-# LANGUAGE NoImplicitPrelude   #-}
{-# LANGUAGE OverloadedStrings   #-}
{-# LANGUAGE ScopedTypeVariables #-}

module Stack.List
  ( listPackages
  ) where

import           RIO.List ( intercalate )
import qualified RIO.Map as Map
import           RIO.Process ( HasProcessContext )
import           Stack.Prelude

-- | Type representing exceptions thrown by functions exported by the

-- "Stack.List" module.

newtype ListException
  = CouldNotParsePackageSelectors [String]
    deriving (Int -> ListException -> ShowS
[ListException] -> ShowS
ListException -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [ListException] -> ShowS
$cshowList :: [ListException] -> ShowS
show :: ListException -> String
$cshow :: ListException -> String
showsPrec :: Int -> ListException -> ShowS
$cshowsPrec :: Int -> ListException -> ShowS
Show, Typeable)

instance Exception ListException where
    displayException :: ListException -> String
displayException (CouldNotParsePackageSelectors [String]
strs) = [String] -> String
unlines forall a b. (a -> b) -> a -> b
$
        String
"Error: [S-4926]"
        forall a. a -> [a] -> [a]
: forall a b. (a -> b) -> [a] -> [b]
map (String
"- " forall a. [a] -> [a] -> [a]
++) [String]
strs

-- | Intended to work for the command line command.

listPackages
  :: forall env. (HasPantryConfig env, HasLogFunc env, HasProcessContext env)
  => Maybe RawSnapshot -- ^ when looking up by name, take from this build plan

  -> [String] -- ^ names or identifiers

  -> RIO env ()
listPackages :: forall env.
(HasPantryConfig env, HasLogFunc env, HasProcessContext env) =>
Maybe RawSnapshot -> [String] -> RIO env ()
listPackages Maybe RawSnapshot
mSnapshot [String]
input = do
    let ([String]
errs1, [PackageName]
names) = case Maybe RawSnapshot
mSnapshot of
                   Just RawSnapshot
snapshot | forall (t :: * -> *) a. Foldable t => t a -> Bool
null [String]
input ->
                                     ([], forall k a. Map k a -> [k]
Map.keys (RawSnapshot -> Map PackageName RawSnapshotPackage
rsPackages RawSnapshot
snapshot))
                   Maybe RawSnapshot
_ -> forall a b. [Either a b] -> ([a], [b])
partitionEithers forall a b. (a -> b) -> a -> b
$ forall a b. (a -> b) -> [a] -> [b]
map String -> Either String PackageName
parse [String]
input
    ([String]
errs2, [PackageIdentifier]
locs) <- forall a b. [Either a b] -> ([a], [b])
partitionEithers forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> forall (t :: * -> *) (f :: * -> *) a b.
(Traversable t, Applicative f) =>
(a -> f b) -> t a -> f (t b)
traverse PackageName -> RIO env (Either String PackageIdentifier)
toLoc [PackageName]
names
    case [String]
errs1 forall a. [a] -> [a] -> [a]
++ [String]
errs2 of
      [] -> forall (f :: * -> *) a. Applicative f => a -> f a
pure ()
      [String]
errs -> forall (m :: * -> *) e a. (MonadThrow m, Exception e) => e -> m a
throwM forall a b. (a -> b) -> a -> b
$ [String] -> ListException
CouldNotParsePackageSelectors [String]
errs
    forall (t :: * -> *) (m :: * -> *) a b.
(Foldable t, Monad m) =>
(a -> m b) -> t a -> m ()
mapM_ (forall (m :: * -> *) env.
(MonadIO m, MonadReader env m, HasLogFunc env, HasCallStack) =>
Utf8Builder -> m ()
logInfo forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a. IsString a => String -> a
fromString forall b c a. (b -> c) -> (a -> b) -> a -> c
. PackageIdentifier -> String
packageIdentifierString) [PackageIdentifier]
locs
  where
    toLoc :: PackageName -> RIO env (Either String PackageIdentifier)
toLoc | Just RawSnapshot
snapshot <- Maybe RawSnapshot
mSnapshot = RawSnapshot
-> PackageName -> RIO env (Either String PackageIdentifier)
toLocSnapshot RawSnapshot
snapshot
          | Bool
otherwise = PackageName -> RIO env (Either String PackageIdentifier)
toLocNoSnapshot

    toLocNoSnapshot :: PackageName -> RIO env (Either String PackageIdentifier)
    toLocNoSnapshot :: PackageName -> RIO env (Either String PackageIdentifier)
toLocNoSnapshot PackageName
name = do
      Maybe PackageLocationImmutable
mloc1 <- forall env.
(HasPantryConfig env, HasLogFunc env, HasProcessContext env) =>
RequireHackageIndex
-> PackageName
-> UsePreferredVersions
-> RIO env (Maybe PackageLocationImmutable)
getLatestHackageLocation RequireHackageIndex
YesRequireHackageIndex PackageName
name UsePreferredVersions
UsePreferredVersions
      Maybe PackageLocationImmutable
mloc <-
        case Maybe PackageLocationImmutable
mloc1 of
          Just PackageLocationImmutable
_ -> forall (f :: * -> *) a. Applicative f => a -> f a
pure Maybe PackageLocationImmutable
mloc1
          Maybe PackageLocationImmutable
Nothing -> do
            DidUpdateOccur
updated <- forall env.
(HasPantryConfig env, HasLogFunc env) =>
Maybe Utf8Builder -> RIO env DidUpdateOccur
updateHackageIndex forall a b. (a -> b) -> a -> b
$ forall a. a -> Maybe a
Just forall a b. (a -> b) -> a -> b
$ Utf8Builder
"Could not find package " forall a. Semigroup a => a -> a -> a
<> forall a. IsString a => String -> a
fromString (PackageName -> String
packageNameString PackageName
name) forall a. Semigroup a => a -> a -> a
<> Utf8Builder
", updating"
            case DidUpdateOccur
updated of
              DidUpdateOccur
UpdateOccurred -> forall env.
(HasPantryConfig env, HasLogFunc env, HasProcessContext env) =>
RequireHackageIndex
-> PackageName
-> UsePreferredVersions
-> RIO env (Maybe PackageLocationImmutable)
getLatestHackageLocation RequireHackageIndex
YesRequireHackageIndex PackageName
name UsePreferredVersions
UsePreferredVersions
              DidUpdateOccur
NoUpdateOccurred -> forall (f :: * -> *) a. Applicative f => a -> f a
pure forall a. Maybe a
Nothing
      case Maybe PackageLocationImmutable
mloc of
        Maybe PackageLocationImmutable
Nothing -> do
          [PackageName]
candidates <- forall env.
(HasPantryConfig env, HasLogFunc env) =>
PackageName -> RIO env [PackageName]
getHackageTypoCorrections PackageName
name
          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
$ forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat
            [ String
"Could not find package "
            , PackageName -> String
packageNameString PackageName
name
            , String
" on Hackage"
            , if forall (t :: * -> *) a. Foldable t => t a -> Bool
null [PackageName]
candidates
                then String
""
                else String
". Perhaps you meant: " forall a. [a] -> [a] -> [a]
++ forall a. [a] -> [[a]] -> [a]
intercalate String
", " (forall a b. (a -> b) -> [a] -> [b]
map PackageName -> String
packageNameString [PackageName]
candidates)
            ]
        Just PackageLocationImmutable
loc -> forall (f :: * -> *) a. Applicative f => a -> f a
pure forall a b. (a -> b) -> a -> b
$ forall a b. b -> Either a b
Right (PackageLocationImmutable -> PackageIdentifier
packageLocationIdent PackageLocationImmutable
loc)

    toLocSnapshot :: RawSnapshot -> PackageName -> RIO env (Either String PackageIdentifier)
    toLocSnapshot :: RawSnapshot
-> PackageName -> RIO env (Either String PackageIdentifier)
toLocSnapshot RawSnapshot
snapshot PackageName
name =
        case forall k a. Ord k => k -> Map k a -> Maybe a
Map.lookup PackageName
name (RawSnapshot -> Map PackageName RawSnapshotPackage
rsPackages RawSnapshot
snapshot) of
          Maybe RawSnapshotPackage
Nothing ->
            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
$ String
"Package does not appear in snapshot: " forall a. [a] -> [a] -> [a]
++ PackageName -> String
packageNameString PackageName
name
          Just RawSnapshotPackage
sp -> do
            PackageLocationImmutable
loc <- CompletePackageLocation -> PackageLocationImmutable
cplComplete forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> forall env.
(HasPantryConfig env, HasLogFunc env, HasProcessContext env) =>
RawPackageLocationImmutable -> RIO env CompletePackageLocation
completePackageLocation (RawSnapshotPackage -> RawPackageLocationImmutable
rspLocation RawSnapshotPackage
sp)
            forall (f :: * -> *) a. Applicative f => a -> f a
pure forall a b. (a -> b) -> a -> b
$ forall a b. b -> Either a b
Right (PackageLocationImmutable -> PackageIdentifier
packageLocationIdent PackageLocationImmutable
loc)

    parse :: String -> Either String PackageName
parse String
s =
        case String -> Maybe PackageName
parsePackageName String
s of
            Just PackageName
x -> forall a b. b -> Either a b
Right PackageName
x
            Maybe PackageName
Nothing -> forall a b. a -> Either a b
Left forall a b. (a -> b) -> a -> b
$ String
"Could not parse as package name or identifier: " forall a. [a] -> [a] -> [a]
++ String
s