3 files changed, 81 insertions, 0 deletions
diff --git a/src/Tomato/.Post.hs.swp b/src/Tomato/.Post.hs.swp
new file mode 100644
index 0000000..f823f90
--- /dev/null
+++ b/src/Tomato/.Post.hs.swp
diff --git a/src/Tomato/Post.hs b/src/Tomato/Post.hs
new file mode 100644
index 0000000..1e97782
--- /dev/null
+++ b/src/Tomato/Post.hs
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+module Tomato.Post
+    ( postTomato
+    , uploadTomato
+    , postMessage
+    ) where
+
+import RIO
+
+import Network.HTTP.Req
+    ( jsonResponse
+    , ignoreResponse
+    , req
+    , ReqBodyFile (..)
+    , ReqBodyJson (..)
+    , (/:)
+    , POST (..)
+    , Req
+    , https
+    , header
+    , responseBody
+    )
+
+import Data.Message (GMIUrl (..), OutMessage (..))
+
+import qualified Data.Aeson as Ae
+import qualified Data.Aeson.KeyMap as Ae
+
+-- TODO global config reader monad
+tomatoFile :: FilePath
+tomatoFile = "tomato.png"
+
+accessToken :: ByteString
+accessToken = "nj8X8tB3TC0MoZdMLhIUA4G89r9IlQfVej97Mhg3"
+
+botId :: Text
+botId = "713bcb4a4604006c944804552c"
+
+-- | Post the current tomato
+postTomato :: Req ()
+postTomato = do
+    url <- uploadTomato
+    postMessage $ OutMessage url
+
+-- | Upload the current tomato to the GroupMe image server
+uploadTomato :: Req GMIUrl
+uploadTomato = do
+    let url = https "image.groupme.com" /: "pictures"
+    js <- req POST url (ReqBodyFile tomatoFile) jsonResponse $
+        header "X-Access-Token" accessToken <>
+        header "Content-Type" "image/png"
+    gmURL <- case Ae.fromJSON (responseBody js) of
+        Ae.Success r -> pure r
+        Ae.Error _s  -> error "deal with this later" -- TODO error monad
+    return gmURL
+
+-- | Post a message to the group with image as attachment
+postMessage :: OutMessage -> Req ()
+postMessage outMes = do
+    let url = https "api.groupme.com" /: "v3" /: "bots" /: "post"
+        outMes' = case Ae.toJSON outMes of
+            Ae.Object o -> Ae.Object $ Ae.insert "bot_id" (Ae.toJSON botId) o
+            _           -> error "exceptional"
+    req POST url (ReqBodyJson outMes') ignoreResponse $
+        header "X-Access-Token" accessToken
+    return ()
diff --git a/src/Tomato/Validate.hs b/src/Tomato/Validate.hs
new file mode 100644
index 0000000..a3dd328
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+++ b/src/Tomato/Validate.hs
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+module Tomato.Validate
+    ( isTomato
+    ) where
+
+import RIO
+
+import Data.Message (InMessage (..))
+
+
+isTomato :: InMessage -> Bool
+isTomato m =
+    not (hasAttach m) &&
+    groupId m == 87220147 && 
+    isUser m &&
+    text m == "tomato"
+