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path: root/src/server/View/Mail/SignIn.hs
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{-# LANGUAGE OverloadedStrings #-}

module View.Mail.SignIn
  ( getMail
  ) where

import Data.Text (Text)
import qualified Data.Text.Lazy as LT
import Data.Text.Lazy.Builder (toLazyText, fromText)

import Text.Blaze.Html
import Text.Blaze.Html5
import Text.Blaze.Html.Renderer.Text (renderHtml)

import Model.Database (User(..))
import qualified Model.Mail as M

getMail :: User -> Text -> [Text] -> M.Mail
getMail user url to =
  M.Mail
    { M.to = to
    , M.subject = "Sign in to Shared Cost"
    , M.plainBody = plainBody user url
    , M.htmlBody = htmlBody user url
    }

plainBody :: User -> Text -> LT.Text
plainBody user url =
  LT.intercalate
    "\n"
    [ LT.concat ["Hi ", strictToLazy . userName $ user, ","]
    , ""
    , "Click to the following link in order to sign in to Shared Cost:"
    , strictToLazy url
    ]

htmlBody :: User -> Text -> LT.Text
htmlBody user url =
  renderHtml . docTypeHtml . body $ do
    toHtml $ LT.concat ["Hi ", strictToLazy . userName $ user, ","]
    br
    br
    "Click to the following link in order to sign in to Shared Cost:"
    br
    toHtml url

strictToLazy :: Text -> LT.Text
strictToLazy = toLazyText . fromText