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Added logout functionality

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This commit is contained in:
Xnoe 2022-05-21 00:27:02 +01:00
parent edf8986ec1
commit 89d9d7c0cd
Signed by: xnoe
GPG Key ID: 45AC398F44F0DAFE
2 changed files with 16 additions and 3 deletions
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3
backend/app/Main.hs
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@ -250,5 +250,8 @@ main = do
, dir "v1" $ dir "login" $ handleLogin c
, dir "v1" $ dir "createPost" $ handleCreatePost c
, dir "v1" $ dir "whoami" $ handleWhoami c
, dir "v1" $ dir "logout" $ do
expireCookie "token"
ok $ toResponse $ showJSON $ toJSObject [("success", toJSString "true")]
, notFound $ toResponse "Endpoint does not exist"
]

16
frontend/src/Main.elm
View File

@ -76,6 +76,12 @@ processCategory : Decoder (String, List Post)
processCategory =
map2 (\a -> \b -> (a,b)) (field "category" string) (field "posts" processPostListing)
processLogout : Decoder (Bool)
processLogout =
Json.Decode.map (\a -> case a of
"true" -> True
_ -> False) (field "success" string)
processLogin : Decoder (Maybe User)
processLogin =
map2 (\a->\b->case a of
@ -138,6 +144,8 @@ type Msg
| UsernameUpdate String
| PasswordUpdate String
| Login
| Logout
| LogoutResult (Result Http.Error Bool)
| TitleUpdate String
| ContentUpdate String
| SubtextUpdate String
@ -175,8 +183,10 @@ update msg model =
GotPost (Ok (title, content, category)) -> ({model | errMessage = Nothing, header = title, body = content, footer = category}, Cmd.none)
GotCategory (Ok (title, posts)) -> ({model | errMessage = Nothing, header = title, posts = posts}, Cmd.none)
Login -> (model, handleLogin model)
LoginResult (Ok (Just _ as u)) -> ({model | user = u}, Cmd.none)
LoginResult (Ok (Just _ as u)) -> ({model | user = u}, load "/")
LoginResult (Ok (Nothing)) -> ({model | errMessage = Just "Invalid username or password."}, Cmd.none)
Logout -> (model, Http.get {url = "/v1/logout", expect = Http.expectJson LogoutResult processLogout})
LogoutResult _ -> (model, load "/")
UsernameUpdate u -> ({model | username = u}, Cmd.none)
PasswordUpdate p -> ({model | password = p}, Cmd.none)
TitleUpdate t -> ({model | title = t}, Cmd.none)
@ -187,7 +197,7 @@ update msg model =
CreatePostResult (Ok (Just postid)) -> (model, load ("/post/" ++ postid))
CreatePostResult (Ok Nothing) -> ({model | errMessage = Just "Failed to create post"}, Cmd.none)
GotWhoami (Ok (Just u)) -> ({model | user = Just (User u)}, messageOfRoute model.route)
GotWhoami (Ok Nothing) -> (model, messageOfRoute model.route)
GotWhoami _ -> (model, messageOfRoute model.route)
_ -> ({model | errMessage = Just "Something has gone horribly wrong."}, Cmd.none)
handleLogin : Model -> Cmd Msg
@ -241,7 +251,7 @@ htmlView model =
] ++
case model.user of
Nothing -> [a [href "/login"] [text "Login"]]
Just u -> [a [href "/logout"] [text "Logout"], text " - ", a [href "/create"] [text "Create Post"]]
Just u -> [a [onClick Logout] [text "Logout"], text " - ", a [href "/create"] [text "Create Post"]]
),
renderModel model
]