Fix warnings

This commit is contained in:
Mats Rauhala 2019-01-21 21:47:58 +02:00
parent 0c0606506a
commit bd5feb8353
9 changed files with 295 additions and 65 deletions

233
.stylish-haskell.yaml Normal file
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@ -0,0 +1,233 @@
# stylish-haskell configuration file
# ==================================
# The stylish-haskell tool is mainly configured by specifying steps. These steps
# are a list, so they have an order, and one specific step may appear more than
# once (if needed). Each file is processed by these steps in the given order.
steps:
# Convert some ASCII sequences to their Unicode equivalents. This is disabled
# by default.
# - unicode_syntax:
# # In order to make this work, we also need to insert the UnicodeSyntax
# # language pragma. If this flag is set to true, we insert it when it's
# # not already present. You may want to disable it if you configure
# # language extensions using some other method than pragmas. Default:
# # true.
# add_language_pragma: true
# Align the right hand side of some elements. This is quite conservative
# and only applies to statements where each element occupies a single
# line.
- simple_align:
cases: true
top_level_patterns: true
records: true
# Import cleanup
- imports:
# There are different ways we can align names and lists.
#
# - global: Align the import names and import list throughout the entire
# file.
#
# - file: Like global, but don't add padding when there are no qualified
# imports in the file.
#
# - group: Only align the imports per group (a group is formed by adjacent
# import lines).
#
# - none: Do not perform any alignment.
#
# Default: global.
align: global
# The following options affect only import list alignment.
#
# List align has following options:
#
# - after_alias: Import list is aligned with end of import including
# 'as' and 'hiding' keywords.
#
# > import qualified Data.List as List (concat, foldl, foldr, head,
# > init, last, length)
#
# - with_alias: Import list is aligned with start of alias or hiding.
#
# > import qualified Data.List as List (concat, foldl, foldr, head,
# > init, last, length)
#
# - new_line: Import list starts always on new line.
#
# > import qualified Data.List as List
# > (concat, foldl, foldr, head, init, last, length)
#
# Default: after_alias
list_align: after_alias
# Right-pad the module names to align imports in a group:
#
# - true: a little more readable
#
# > import qualified Data.List as List (concat, foldl, foldr,
# > init, last, length)
# > import qualified Data.List.Extra as List (concat, foldl, foldr,
# > init, last, length)
#
# - false: diff-safe
#
# > import qualified Data.List as List (concat, foldl, foldr, init,
# > last, length)
# > import qualified Data.List.Extra as List (concat, foldl, foldr,
# > init, last, length)
#
# Default: true
pad_module_names: true
# Long list align style takes effect when import is too long. This is
# determined by 'columns' setting.
#
# - inline: This option will put as much specs on same line as possible.
#
# - new_line: Import list will start on new line.
#
# - new_line_multiline: Import list will start on new line when it's
# short enough to fit to single line. Otherwise it'll be multiline.
#
# - multiline: One line per import list entry.
# Type with constructor list acts like single import.
#
# > import qualified Data.Map as M
# > ( empty
# > , singleton
# > , ...
# > , delete
# > )
#
# Default: inline
long_list_align: inline
# Align empty list (importing instances)
#
# Empty list align has following options
#
# - inherit: inherit list_align setting
#
# - right_after: () is right after the module name:
#
# > import Vector.Instances ()
#
# Default: inherit
empty_list_align: inherit
# List padding determines indentation of import list on lines after import.
# This option affects 'long_list_align'.
#
# - <integer>: constant value
#
# - module_name: align under start of module name.
# Useful for 'file' and 'group' align settings.
list_padding: 4
# Separate lists option affects formatting of import list for type
# or class. The only difference is single space between type and list
# of constructors, selectors and class functions.
#
# - true: There is single space between Foldable type and list of it's
# functions.
#
# > import Data.Foldable (Foldable (fold, foldl, foldMap))
#
# - false: There is no space between Foldable type and list of it's
# functions.
#
# > import Data.Foldable (Foldable(fold, foldl, foldMap))
#
# Default: true
separate_lists: true
# Space surround option affects formatting of import lists on a single
# line. The only difference is single space after the initial
# parenthesis and a single space before the terminal parenthesis.
#
# - true: There is single space associated with the enclosing
# parenthesis.
#
# > import Data.Foo ( foo )
#
# - false: There is no space associated with the enclosing parenthesis
#
# > import Data.Foo (foo)
#
# Default: false
space_surround: false
# Language pragmas
- language_pragmas:
# We can generate different styles of language pragma lists.
#
# - vertical: Vertical-spaced language pragmas, one per line.
#
# - compact: A more compact style.
#
# - compact_line: Similar to compact, but wrap each line with
# `{-#LANGUAGE #-}'.
#
# Default: vertical.
style: vertical
# Align affects alignment of closing pragma brackets.
#
# - true: Brackets are aligned in same column.
#
# - false: Brackets are not aligned together. There is only one space
# between actual import and closing bracket.
#
# Default: true
align: true
# stylish-haskell can detect redundancy of some language pragmas. If this
# is set to true, it will remove those redundant pragmas. Default: true.
remove_redundant: true
# Replace tabs by spaces. This is disabled by default.
# - tabs:
# # Number of spaces to use for each tab. Default: 8, as specified by the
# # Haskell report.
# spaces: 8
# Remove trailing whitespace
- trailing_whitespace: {}
# Squash multiple spaces between the left and right hand sides of some
# elements into single spaces. Basically, this undoes the effect of
# simple_align but is a bit less conservative.
# - squash: {}
# A common setting is the number of columns (parts of) code will be wrapped
# to. Different steps take this into account. Default: 80.
columns: 80
# By default, line endings are converted according to the OS. You can override
# preferred format here.
#
# - native: Native newline format. CRLF on Windows, LF on other OSes.
#
# - lf: Convert to LF ("\n").
#
# - crlf: Convert to CRLF ("\r\n").
#
# Default: native.
newline: native
# Sometimes, language extensions are specified in a cabal file or from the
# command line instead of using language pragmas in the file. stylish-haskell
# needs to be aware of these, so it can parse the file correctly.
#
# No language extensions are enabled by default.
language_extensions:
- DeriveGeneric
- NoImplicitPrelude
- OverloadedStrings
- RecordWildCards
# - TemplateHaskell
# - QuasiQuotes

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@ -17,6 +17,7 @@ cabal-version: >=1.10
executable backend
main-is: Main.hs
ghc-options: -Wall -threaded -rtsopts -with-rtsopts=-N
other-modules: Devel.Main
, API
, API.Books

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@ -13,18 +13,13 @@ module API (API, handler) where
import Servant
import Servant.HTML.Lucid (HTML)
import Types
import View
import qualified API.Books as Books
import qualified API.Catalogue as Catalogue
import qualified API.Channels as Channels
import qualified API.Users as Users
data Index = Index
type API = Users.API
:<|> "api" :> "current" :> Channels.API
:<|> "api" :> "current" :> Books.API
@ -38,11 +33,3 @@ handler = Users.handler
:<|> Catalogue.handler
:<|> Catalogue.handler
instance ToHtml Index where
toHtml _ = do
h1_ [class_ "title"] "Home page"
p_ [class_ "subtitle"] "Hello world"
toHtmlRaw = toHtml
indexHandler :: AppM (AppView Index)
indexHandler = mkView "Home" Index

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@ -17,7 +17,7 @@ module API.Books where
import ClassyPrelude
import Control.Lens
import Control.Monad.Catch (MonadThrow, throwM)
import Control.Monad.Catch (throwM)
import Control.Monad.Trans.Maybe
import Crypto.Hash (digestFromByteString)
import Data.Aeson
@ -63,8 +63,6 @@ instance FromJSON PostBook
type API = Auth '[SA.BasicAuth, SA.JWT] SafeUser :> BaseAPI
instance Docs.ToCapture (Capture "book_id" BookID) where
toCapture _ = Docs.DocCapture "book_id" "The book id"
type BaseAPI = "books" :> Get '[JSON] [JsonBook]
:<|> "books" :> ReqBody '[JSON] PostBook :> Post '[JSON] JsonBook

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@ -17,7 +17,7 @@
module API.Catalogue (VersionedAPI, handler) where
import qualified API.Books
import ClassyPrelude
import ClassyPrelude hiding (link)
import Database
import Database.Book (Book(..))
import qualified Database.Channel as Channel
@ -46,15 +46,16 @@ data Pagination = Pagination { previous :: Maybe Rel
newtype SubSection = SubSection Rel deriving (Show)
newtype Acquisition = Acquisition Rel deriving (Show)
newtype Time = Time { getTime :: UTCTime } deriving Show
data instance Entry 1 = EntryV1 { title :: Text
, identifier :: Text
, updated :: UTCTime
, updated :: Time
, content :: Text
, link :: Either SubSection Acquisition
}
data instance Catalog 1 = CatalogV1 { updated :: UTCTime
data instance Catalog 1 = CatalogV1 { updated :: Time
, self :: Rel
, start :: Rel
, pagination :: Pagination
@ -68,7 +69,7 @@ deriving instance Generic (Entry 1)
instance Docs.ToSample (Entry 1) where
toSamples _ = [("Entry", EntryV1 "title" "identifier" docsTime "content" (Left (SubSection (Rel "sub"))))]
instance Docs.ToSample UTCTime where
instance Docs.ToSample Time where
toSamples _ = [("time", docsTime)]
instance Docs.ToSample Rel where
toSamples _ = [("Relative link", Rel "next")]
@ -76,8 +77,8 @@ instance Docs.ToSample Pagination
instance Docs.ToSample (Catalog 1) -- where
-- toSamples _ = [("catalog", CatalogV1 docsTime (Rel "prev") (Rel "next") (Pagination (Just "previous") (Just "next")) [])]
docsTime :: UTCTime
docsTime = unsafePerformIO getCurrentTime
docsTime :: Time
docsTime = Time $ unsafePerformIO getCurrentTime
instance ToNode SubSection where
@ -91,7 +92,7 @@ instance ToNode (Entry 1) where
<entry>
<title>#{title}
<id>#{identifier}
<updated>#{iso8601 updated}
<updated>#{iso8601 $ getTime updated}
<content>#{content}
^{either toNode toNode link}
|]
@ -101,7 +102,7 @@ instance ToNode (Catalog 1) where
<feed xmlns="http://www.w3.org/2005/Atom" xmlns:opds="http://opds-spec.org/2010/catalog">
<id>#{unRel self}
<title>Give me a title
<updated>#{iso8601 updated}
<updated>#{iso8601 $ getTime updated}
<link type="application/atom+xml;profile=opds-catalog;kind=navigation" rel="self" href="#{unRel self}">
<link type="application/atom+xml;profile=opds-catalog;kind=navigation" rel="start" href="#{unRel start}">
$maybe n <- (next pagination)
@ -125,7 +126,7 @@ relUrl x = Rel ("/api/current/" <> (pack . uriPath . linkURI $ x))
getBooksV1 :: Channel.ChannelID -> SafeUser -> AppM (Catalog 1)
getBooksV1 channelID SafeUser{username} = do
updated <- liftIO getCurrentTime
updated <- Time <$> liftIO getCurrentTime
let self = relUrl selfUrl
start = relUrl startUrl
selfUrl = safeLink (Proxy @(BaseAPI 1)) (Proxy @(ChannelCatalog 1)) channelID
@ -142,7 +143,7 @@ getBooksV1 channelID SafeUser{username} = do
getChannelsV1 :: SafeUser -> AppM (Catalog 1)
getChannelsV1 SafeUser{username} = do
updated <- liftIO getCurrentTime
updated <- Time <$> liftIO getCurrentTime
let self = relUrl selfUrl
-- I'm not sure if this safe link approach is really useable with this
-- api hierarchy since I can't access the topmost api from here. Also
@ -153,7 +154,7 @@ getChannelsV1 SafeUser{username} = do
entries <- map (fromChannel updated) <$> runDB (Channel.userChannels username)
pure CatalogV1{..}
where
fromChannel :: UTCTime -> Channel.Channel -> Entry 1
fromChannel :: Time -> Channel.Channel -> Entry 1
fromChannel updated Channel.Channel{..} =
let url = safeLink (Proxy @(BaseAPI 1)) (Proxy @(ChannelCatalog 1)) identifier
self = relUrl url

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@ -16,7 +16,7 @@ module API.Channels (API, handler, JsonChannel(..)) where
import ClassyPrelude
import Control.Lens
import Control.Monad.Catch (MonadThrow, throwM)
import Control.Monad.Catch (throwM)
import Control.Monad.Logger
import Data.Aeson
import Data.Generics.Product
@ -49,9 +49,6 @@ instance FromJSON UpdateChannel
type API = Auth '[SA.BasicAuth, SA.Cookie, SA.JWT] SafeUser :> BaseAPI
instance Docs.ToCapture (Capture "channel_id" ChannelID) where
toCapture _ = Docs.DocCapture "channel_id" "The channel id"
type BaseAPI = "channels" :> ReqBody '[JSON] JsonChannel :> Post '[JSON] UpdateChannel
:<|> "channels" :> Capture "channel_id" ChannelID :> ReqBody '[JSON] UpdateChannel :> Put '[JSON] UpdateChannel
:<|> "channels" :> Get '[JSON] [JsonChannel]

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@ -1,14 +1,14 @@
{-# Language DataKinds #-}
{-# Language TypeFamilies #-}
{-# Language OverloadedStrings #-}
{-# Language NoImplicitPrelude #-}
{-# Language TypeOperators #-}
{-# Language DuplicateRecordFields #-}
{-# Language TypeApplications #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE NoImplicitPrelude #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE TypeApplications #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE TypeOperators #-}
module API.Users where
import ClassyPrelude
import Control.Monad.Catch (throwM, MonadThrow)
import Control.Monad.Catch (throwM)
import Data.Aeson
import Database (runDB)
import Database.Schema

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@ -3,6 +3,9 @@
{-# LANGUAGE GeneralizedNewtypeDeriving #-}
{-# LANGUAGE NoImplicitPrelude #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE TypeSynonymInstances #-}
{-# LANGUAGE FlexibleInstances #-}
module Database.Schema where
import ClassyPrelude
@ -11,6 +14,7 @@ import Database.Selda
import Database.Selda.Backend
import Database.Selda.Generic
import qualified Servant.Docs as Docs
import Servant (Capture)
import Web.HttpApiData
-- | User type
@ -53,8 +57,14 @@ newtype UserID = UserID {unUserID :: Int} deriving (Show)
newtype BookID = BookID {unBookID :: Int} deriving (Show, ToJSON, FromJSON, FromHttpApiData, Eq, Ord, ToHttpApiData, Generic, Num)
instance Docs.ToCapture (Capture "book_id" BookID) where
toCapture _ = Docs.DocCapture "book_id" "The book id"
newtype ChannelID = ChannelID {unChannelID :: Int} deriving (Show, ToHttpApiData, FromHttpApiData, ToJSON, FromJSON, Eq, Generic, Num)
instance Docs.ToCapture (Capture "channel_id" ChannelID) where
toCapture _ = Docs.DocCapture "channel_id" "The channel id"
newtype TagID = TagID {unTagID :: Int} deriving (Show)
instance SqlType UserID where

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@ -1,22 +1,24 @@
{-# Language OverloadedStrings #-}
{-# Language RecordWildCards #-}
{-# Language DuplicateRecordFields #-}
{-# Language TypeApplications #-}
{-# Language DataKinds #-}
{-# Language NoImplicitPrelude #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE NoImplicitPrelude #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
{-# LANGUAGE TypeApplications #-}
module Main where
import Server (server)
import Network.Wai.Handler.Warp (run)
import Types
import Configuration
import Dhall (input, auto)
import ClassyPrelude
import Configuration
import Control.Lens (view)
import Data.Generics.Product
import Data.Pool (createPool)
import Database.Selda.PostgreSQL (PGConnectInfo(..), pgOpen, seldaClose)
import Database.Selda.PostgreSQL (PGConnectInfo (..), pgOpen,
seldaClose)
import Dhall (auto, input)
import Network.Wai.Handler.Warp (run)
import Servant.Auth.Server (generateKey)
import Server (server)
import Types
import System.Environment (getEnvironment)
defaultMain :: App -> IO ()
defaultMain = run 8080 . server
@ -35,5 +37,6 @@ withApp config f = do
main :: IO ()
main = do
c <- input auto "./config/config.dhall"
path <- fmap pack . lookup "CONF" <$> getEnvironment
c <- input auto (fromMaybe "./config/config.dhall" path)
withApp c defaultMain