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Foundation.hs
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Foundation.hs
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module Foundation
( App (..)
, Route (..)
, AppMessage (..)
, resourcesApp
, Handler
, Widget
, Form
, maybeAuth
, requireAuth
, maybeAuth'
, requireAuth'
, module Settings
, module Model
, login
, Profile (..)
, userR
, getDebugR
, prettyTime
, prettyDay
, addTeamNews
, humanReadableTimeDiff
, userFullName
) where
import Prelude
import Yesod
import Yesod.Static
import Yesod.Auth
import Yesod.Auth.BrowserId
import Yesod.Auth.GoogleEmail hiding (forwardUrl)
import Yesod.Auth.OpenId
import Yesod.Auth.Facebook
import Facebook (Credentials (Credentials))
import Yesod.Default.Config
import Yesod.Default.Util (addStaticContentExternal)
import Network.HTTP.Conduit (Manager)
import Control.Monad (unless)
import Data.Char (isSpace)
import qualified Settings
import qualified Database.Persist.Store
import Settings.StaticFiles
import Database.Persist.GenericSql
import Settings (widgetFile, Extra (..))
import Model hiding (userFullName)
import qualified Model (userFullName)
import Text.Jasmine (minifym)
import Web.ClientSession (getKey)
import Text.Hamlet
import Blaze.ByteString.Builder.Char.Utf8 (fromText)
import Data.Monoid (mappend)
import Network.HTTP.Types (encodePath, queryTextToQuery)
import Data.Text (Text)
import qualified Data.Text as T
import qualified Data.Text.Read
import Data.Maybe (fromJust)
import Data.Time
import qualified Data.Set as Set
import System.Locale
import Yesod.Form.Jquery
import Yesod.Form.Nic
import Control.Concurrent.STM
import qualified Data.Map as Map
import System.IO.Unsafe
import Data.IORef (IORef)
-- | The site argument for your application. This can be a good place to
-- keep settings and values requiring initialization before your application
-- starts running, such as database connections. Every handler will have
-- access to the data present here.
data App = App
{ settings :: AppConfig DefaultEnv Extra
, getStatic :: Static -- ^ Settings for static file serving.
, connPool :: Database.Persist.Store.PersistConfigPool Settings.PersistConfig -- ^ Database connection pool.
, httpManager :: Manager
, persistConfig :: Settings.PersistConfig
, homepageProfiles :: IORef ([Profile], Int)
, publicProfiles :: IORef [Profile]
}
data Profile = Profile
{ profileUserId :: UserId
, profileName :: Text
, profileEmail :: Text
, profileUser :: User
, profileSkills :: Set.Set SkillId
, profileUsername :: Maybe Username
}
deriving Show
prettyTime :: UTCTime -> String
prettyTime = formatTime defaultTimeLocale "%B %e, %Y %r"
-- Set up i18n messages. See the message folder.
mkMessage "App" "messages" "en"
-- This is where we define all of the routes in our application. For a full
-- explanation of the syntax, please see:
-- http://www.yesodweb.com/book/handler
--
-- This function does three things:
--
-- * Creates the route datatype AppRoute. Every valid URL in your
-- application can be represented as a value of this type.
-- * Creates the associated type:
-- type instance Route App = AppRoute
-- * Creates the value resourcesApp which contains information on the
-- resources declared below. This is used in Handler.hs by the call to
-- mkYesodDispatch
--
-- What this function does *not* do is create a YesodSite instance for
-- App. Creating that instance requires all of the handler functions
-- for our application to be in scope. However, the handler functions
-- usually require access to the AppRoute datatype. Therefore, we
-- split these actions into two functions and place them in separate files.
mkYesodData "App" $(parseRoutesFile "config/routes")
type Form x = Html -> MForm App App (FormResult x, Widget)
maybeAuth' :: GHandler s App (Maybe ((UserId, User), Maybe Username))
maybeAuth' = do
x <- maybeAuth
case x of
Nothing -> return Nothing
Just (Entity uid u) -> do
y <- runDB $ getBy $ UniqueUsernameUser uid
return $ Just ((uid, u), fmap entityVal y)
requireAuth' :: GHandler s App ((UserId, User), Maybe Username)
requireAuth' = do
Entity uid u <- requireAuth
y <- runDB $ getBy $ UniqueUsernameUser uid
return ((uid, u), fmap entityVal y)
-- Please see the documentation for the Yesod typeclass. There are a number
-- of settings which can be configured by overriding methods here.
instance Yesod App where
joinPath _ ar pieces qs' =
fromText ar
`mappend` encodePath pieces' (queryTextToQuery qs)
where
qs = map (\(x, y) -> (x, if T.null y then Nothing else Just y)) qs'
pieces'
| pieces == ["auth", "page", "openid", "complete"] = ["auth", "page", "openid", "complete", ""] -- For Google, it remembers the old OpenIDs
| otherwise = pieces
cleanPath _ ["auth", "page", "openid", "complete", ""] = Right ["auth", "page", "openid", "complete"]
cleanPath _ s =
if corrected == s
then Right s
else Left corrected
where
corrected = filter (not . T.null) s
approot = ApprootMaster $ appRoot . settings
defaultLayout widget = do
mmsg <- getMessage
ma <- maybeAuth'
y <- getYesod
(title', parents) <- breadcrumbs
current <- getCurrentRoute
tm <- getRouteToMaster
let bodyClass =
case fmap tm current of
Just UsersR -> "find-haskeller"
Just UserR{} -> "find-haskeller"
Just JobsR -> "find-job"
Just JobR{} -> "find-job"
Just TeamsR -> "teams"
Just TeamR{} -> "teams"
Just TopicsR{} -> "teams"
Just TopicR{} -> "teams"
_ -> "overview" :: T.Text
let title = if fmap tm current == Just RootR
then "Haskellers"
else title'
let isCurrent :: Route App -> Bool
isCurrent RootR = fmap tm current == Just RootR
isCurrent x = Just x == fmap tm current || x `elem` map fst parents
let navbarSection :: (String, [(String, Route App)])
-> HtmlUrlI18n AppMessage (Route App)
navbarSection section = $(ihamletFile "templates/navbar-section.hamlet")
pc <- widgetToPageContent $ do
case ma of
Nothing -> return ()
Just ((uid, _), _) -> toWidgetHead [hamlet|<link href="@{UserFeedR uid}" type="application/atom+xml" rel="alternate" title="Your App Updates">
|]
toWidget $(Settings.cassiusFile "templates/default-layout.cassius")
addScriptEither $ urlJqueryJs y
addScriptEither $ urlJqueryUiJs y
addStylesheetEither $ urlJqueryUiCss y
toWidget $(Settings.juliusFile "templates/analytics.julius")
toWidget $(Settings.juliusFile "templates/default-layout.julius")
addScriptRemote "https://browserid.org/include.js"
addWidget widget
let login' = $(ihamletFile "templates/login.hamlet")
let langs :: [(Text, Text)]
langs =
[ ("en", "English")
, ("ja", "Japanese")
, ("es", "Spanish")
, ("he", "Hebrew")
, ("ru", "Russian")
, ("ua", "Ukrainian")
]
ihamletToRepHtml $(ihamletFile "templates/default-layout.hamlet")
-- Store session data on the client in encrypted cookies,
-- default session idle timeout is 120 minutes
makeSessionBackend _ = do
key <- getKey "config/client_session_key.aes"
return . Just $ clientSessionBackend key 120
-- This is done to provide an optimization for serving static files from
-- a separate domain. Please see the staticRoot setting in Settings.hs
urlRenderOverride y (StaticR s) =
Just $ uncurry (joinPath y (Settings.staticRoot $ settings y)) $ renderRoute s
urlRenderOverride _ _ = Nothing
-- The page to be redirected to when authentication is required.
authRoute _ = Just $ AuthR LoginR
-- This function creates static content files in the static folder
-- and names them based on a hash of their content. This allows
-- expiration dates to be set far in the future without worry of
-- users receiving stale content.
addStaticContent = addStaticContentExternal minifym base64md5 Settings.staticDir (StaticR . flip StaticRoute [])
-- Place Javascript at bottom of the body tag so the rest of the page loads first
jsLoader _ = BottomOfBody
navbar :: [(String, [(String, Route App)])]
navbar =
[ ("General",
[ ("Homepage", RootR)
, ("FAQ", FaqR)
, ("News Archive", NewsR)
]
)
, ("Find a Haskeller",
[ ("Browse Users", UsersR)
, ("Browse Skills", AllSkillsR)
]
)
, ("Find a Job",
[ ("Job Listings", JobsR)
]
)
, ("Special Interest Groups",
[ ("All Groups", TeamsR)
]
)
]
userbar :: ((UserId, User), Maybe Username)
-> [(String, [(String, Route App)])]
userbar ((uid, u), a) = (:) ("Your Profile",
[ ("Edit Profile", ProfileR)
, ("View Profile", userR ((uid, u), a))
, ("Logout", AuthR LogoutR)
])
$ if userAdmin u
then [("Administration",
[ ("Messages", MessagesR)
, ("All Users", AdminUsersR)
])]
else []
loginbar :: (String, [(String, Route App)])
loginbar = ("Account", [("Login", AuthR LoginR)])
instance YesodBreadcrumbs App where
breadcrumb RootR = return ("Homepage", Nothing)
breadcrumb FaqR = return ("Frequently Asked Questions", Just RootR)
breadcrumb BlingR = return ("Bling", Just RootR)
breadcrumb NewsR = return ("News Archive", Just RootR)
breadcrumb (NewsItemR nid) = do
n <- runDB $ get404 nid
return (newsTitle n, Just NewsR)
breadcrumb UsersR = return ("Browse Users", Just RootR)
breadcrumb AllSkillsR = return ("Browse Skills", Just RootR)
breadcrumb (SkillR sid) = do
s <- runDB $ get404 sid
return (skillName s, Just AllSkillsR)
breadcrumb (FlagR uid) = return ("Report a User", Just $ UserR $ toPathPiece uid)
breadcrumb (UserR str) = do
u <- runDB $
case Data.Text.Read.decimal str :: Either String (Int, Text) of
Right (_, "") -> get404 $ fromJust $ fromPathPiece str
_ -> do
x <- getBy $ UniqueUsername str
case x of
Nothing -> lift notFound
Just (Entity _ un) -> get404 $ usernameUser un
return (Foundation.userFullName u, Nothing)
breadcrumb ProfileR = return ("Edit Your Profile", Just RootR)
breadcrumb VerifyEmailR{} = return ("Verify Your Email Address", Nothing)
breadcrumb AdminUsersR = return ("User List- Admin", Nothing)
breadcrumb MessagesR = return ("Messages- Admin", Nothing)
breadcrumb (AuthR LoginR) = return ("Log in to App", Just RootR)
breadcrumb DebugR = return ("Database pool debug info", Just RootR)
breadcrumb PollsR = return ("Polls", Just RootR)
breadcrumb (PollR pollid) = do
poll <- runDB $ get404 pollid
return (pollQuestion poll, Just PollsR)
breadcrumb JobsR = return ("Job Listings", Just RootR)
breadcrumb (JobR jid) = do
j <- runDB $ get404 jid
return (T.concat
[ jobTitle j
, " - "
, T.pack . prettyDay . utctDay . jobPostedAt $ j
], Just JobsR
)
breadcrumb TeamsR = return ("Special Interest Groups", Just RootR)
breadcrumb (TeamR tid) = do
t <- runDB $ get404 tid
return (teamName t, Just TeamsR)
breadcrumb (TeamPackagesR tid) = return ("Add Package", Just $ TeamR tid)
breadcrumb (TopicsR tid) = return ("Discussion Topics", Just $ TeamR tid)
breadcrumb (TopicR toid) = do
t <- runDB $ get404 toid
return (topicTitle t, Just $ TopicsR $ topicTeam t)
-- These pages never call breadcrumb
breadcrumb StaticR{} = return ("", Nothing)
breadcrumb FaviconR = return ("", Nothing)
breadcrumb RobotsR = return ("", Nothing)
breadcrumb LocationsR = return ("", Nothing)
breadcrumb DeleteAccountR = return ("", Nothing)
breadcrumb SkillsR = return ("", Nothing)
breadcrumb DeleteIdentR{} = return ("", Nothing)
breadcrumb RequestRealR = return ("", Nothing)
breadcrumb RequestRealPicR = return ("", Nothing)
breadcrumb RequestUnblockR = return ("", Nothing)
breadcrumb RequestSkillR = return ("", Nothing)
breadcrumb SetUsernameR = return ("", Nothing)
breadcrumb ClearUsernameR = return ("", Nothing)
breadcrumb PackagesR = return ("", Nothing)
breadcrumb DeletePackageR{} = return ("", Nothing)
breadcrumb AdminR{} = return ("", Nothing)
breadcrumb UnadminR{} = return ("", Nothing)
breadcrumb RealR{} = return ("", Nothing)
breadcrumb UnrealR{} = return ("", Nothing)
breadcrumb RealPicR{} = return ("", Nothing)
breadcrumb UnrealPicR{} = return ("", Nothing)
breadcrumb BlockR{} = return ("", Nothing)
breadcrumb UnblockR{} = return ("", Nothing)
breadcrumb ByIdentR = return ("", Nothing)
breadcrumb ResetEmailR = return ("", Nothing)
breadcrumb SendVerifyR = return ("", Nothing)
breadcrumb CloseMessageR{} = return ("", Nothing)
breadcrumb NewsFeedR = return ("", Nothing)
breadcrumb JobsFeedR = return ("", Nothing)
breadcrumb AuthR{} = return ("", Nothing)
breadcrumb ScreenNamesR = return ("", Nothing)
breadcrumb DeleteScreenNameR{} = return ("", Nothing)
breadcrumb TeamFeedR{} = return ("", Nothing)
breadcrumb UserFeedR{} = return ("", Nothing)
breadcrumb TeamNewsR{} = return ("", Nothing)
breadcrumb LeaveTeamR{} = return ("", Nothing)
breadcrumb WatchTeamR{} = return ("", Nothing)
breadcrumb JoinTeamR{} = return ("", Nothing)
breadcrumb ApproveTeamR{} = return ("", Nothing)
breadcrumb TeamAdminR{} = return ("", Nothing)
breadcrumb TeamUnadminR{} = return ("", Nothing)
breadcrumb DeleteTeamPackageR{} = return ("", Nothing)
breadcrumb TopicMessageR{} = return ("", Nothing)
breadcrumb LangR{} = return ("", Nothing)
breadcrumb PollCloseR{} = return ("", Nothing)
-- How to run database actions.
instance YesodPersist App where
type YesodPersistBackend App = SqlPersist
runDB f = do
master <- getYesod
Database.Persist.Store.runPool
(persistConfig master)
f
(connPool master)
instance YesodJquery App where
urlJqueryUiCss _ = Left $ StaticR jquery_ui_css
instance YesodNic App
-- This instance is required to use forms. You can modify renderMessage to
-- achieve customized and internationalized form validation messages.
instance RenderMessage App FormMessage where
renderMessage _ _ = defaultFormMessage
instance YesodAuth App where
type AuthId App = UserId
loginDest _ = ProfileR
logoutDest _ = RootR
getAuthId creds = do
fixBrowserId creds
muid <- maybeAuth
x <- runDB $ getBy $ UniqueIdent $ credsIdent creds
case (x, muid) of
(Just (Entity _ i), Nothing) -> do
runDB $ addBIDEmail (identUser i)
return $ Just $ identUser i
(Nothing, Nothing) -> runDB $ do
uid <- insert $ User
{ Model.userFullName = ""
, userWebsite = Nothing
, userEmail = Nothing
, userVerifiedEmail = False
, userVerkey = Nothing
, userHaskellSince = Nothing
, userDesc = Nothing
, userVisible = False
, userReal = False
, userRealPic = False
, userAdmin = False
, userEmployment = Nothing
, userBlocked = False
, userEmailPublic = False
, userLocation = Nothing
, userLongitude = Nothing
, userLatitude = Nothing
, userGooglePlus = Nothing
}
addBIDEmail uid
_ <- insert $ Ident (credsIdent creds) uid
addClaimed uid creds
return $ Just uid
(Nothing, Just (Entity uid _)) -> do
setMessage "Identifier added to your account"
runDB $ do
addBIDEmail uid
_ <- insert $ Ident (credsIdent creds) uid
addClaimed uid creds
return $ Just uid
(Just _, Just (Entity uid _)) -> do
runDB $ addClaimed uid creds
setMessage "That identifier is already attached to an account. Please detach it from the other account first."
redirect ProfileR
where
addBIDEmail uid
| credsPlugin creds == "browserid" = do
u <- get404 uid
unless (userVerifiedEmail u) $ update uid [UserEmail =. Just (credsIdent creds), UserVerifiedEmail =. True]
| otherwise = return ()
addClaimed uid creds = do
let claimed = credsIdentClaimed creds
_ <- insertBy $ Ident claimed uid
return ()
authPlugins _ = [ authOpenId OPLocal []
, authFacebook
(Credentials
"App.com"
"157813777573244"
"327e6242e855954b16f9395399164eec")
[]
, authBrowserId
]
authHttpManager = httpManager
-- Note: previous versions of the scaffolding included a deliver function to
-- send emails. Unfortunately, there are too many different options for us to
-- give a reasonable default. Instead, the information is available on the
-- wiki:
--
-- https://github.com/yesodweb/yesod/wiki/Sending-email
loginHandler = defaultLayout $ do
[whamlet|\
<div style="width:500px;margin:0 auto">^{login}
|]
login :: GWidget s App ()
login = toWidget $ {-addCassius $(cassiusFile "login") >> -}$(hamletFile "templates/login.hamlet")
userR :: ((UserId, User), Maybe Username) -> Route App
userR (_, Just (Username _ un)) = UserR un
userR ((uid, _), _) = UserR $ toPathPiece uid
debugInfo :: TVar (Map.Map (String, Int) (Int, Int))
debugInfo = unsafePerformIO $ newTVarIO Map.empty
getDebugR :: Handler RepHtml
getDebugR = do
l <- Map.toList `fmap` liftIO (atomically $ readTVar debugInfo)
defaultLayout $ do
toWidget [hamlet|\
<table>
<thead>
<tr>
<th>File
<th>Line
<th>Start
<th>Stop
<tbody>
$forall p <- l
<tr>
<td>#{fst (fst p)}
<td>#{show (snd (fst p))}
<td>#{show (fst (snd p))}
<td>#{show (snd (snd p))}
|]
prettyDay :: Day -> String
prettyDay = formatTime defaultTimeLocale "%B %e, %Y"
addTeamNews :: TeamId -> Text -> Html -> Route App -> SqlPersist Handler ()
addTeamNews tid title content url = do
render <- lift getUrlRender
now <- liftIO getCurrentTime
_ <- insert $ TeamNews tid now title content $ render url
return ()
humanReadableTimeDiff :: UTCTime -- ^ current time
-> UTCTime -- ^ old time
-> String
humanReadableTimeDiff curTime oldTime =
helper diff
where
diff = diffUTCTime curTime oldTime
minutes :: NominalDiffTime -> Double
minutes n = realToFrac $ n / 60
hours :: NominalDiffTime -> Double
hours n = (minutes n) / 60
days :: NominalDiffTime -> Double
days n = (hours n) / 24
weeks :: NominalDiffTime -> Double
weeks n = (days n) / 7
years :: NominalDiffTime -> Double
years n = (days n) / 365
i2s :: RealFrac a => a -> String
i2s n = show m where m = truncate n :: Int
old = utcToLocalTime utc oldTime
trim = f . f where f = reverse . dropWhile isSpace
dow = trim $! formatTime defaultTimeLocale "%l:%M %p on %A" old
thisYear = trim $! formatTime defaultTimeLocale "%b %e" old
previousYears = trim $! formatTime defaultTimeLocale "%b %e, %Y" old
helper d | d < 1 = "one second ago"
| d < 60 = i2s d ++ " seconds ago"
| minutes d < 2 = "one minute ago"
| minutes d < 60 = i2s (minutes d) ++ " minutes ago"
| hours d < 2 = "one hour ago"
| hours d < 24 = i2s (hours d) ++ " hours ago"
| days d < 5 = dow
| days d < 10 = i2s (days d) ++ " days ago"
| weeks d < 2 = i2s (weeks d) ++ " week ago"
| weeks d < 5 = i2s (weeks d) ++ " weeks ago"
| years d < 1 = thisYear
| otherwise = previousYears
userFullName :: User -> Text
userFullName =
go . Model.userFullName
where
go "" = "<Unnamed user>"
go x = x
browserIdDest :: AuthRoute
browserIdDest = PluginR "browserid" []
fixBrowserId :: Creds App -> GHandler sub App ()
fixBrowserId creds
| credsPlugin creds == "browserid" = runDB $ do
liftIO $ putStrLn "here i am"
let email = credsIdent creds
x <- getBy $ UniqueIdent email
case x of
Just _ -> return ()
Nothing -> do
mu <- selectList [UserEmail ==. Just email, UserVerifiedEmail ==. True] [LimitTo 1]
case mu of
[Entity uid _] -> do
_ <- insert $ Ident email uid
return ()
_ -> return ()
| otherwise = return ()