mirror of
https://github.com/aelve/guide.git
synced 2024-11-23 12:15:06 +03:00
Use makeFields instead of makeLenses
This commit is contained in:
Artyom
parent
4846483188
commit
5a64c14b9d
236
src/Main.hs
236
src/Main.hs
@ -6,6 +6,8 @@ RankNTypes,
|
||||
FlexibleInstances,
|
||||
QuasiQuotes,
|
||||
ScopedTypeVariables,
|
||||
MultiParamTypeClasses,
|
||||
FunctionalDependencies,
|
||||
NoImplicitPrelude
|
||||
#-}
|
||||
|
||||
@ -39,53 +41,53 @@ import Network.Wai.Middleware.Static
|
||||
|
||||
-- | Unique id, used for many things – categories, items, and anchor ids.
|
||||
-- Note that in HTML 5 using numeric ids for divs, spans, etc is okay.
|
||||
type UID = Int
|
||||
type Uid = Int
|
||||
|
||||
randomUID :: MonadIO m => m UID
|
||||
randomUID = liftIO $ randomRIO (0, 10^(9::Int))
|
||||
randomUid :: MonadIO m => m Uid
|
||||
randomUid = liftIO $ randomRIO (0, 10^(9::Int))
|
||||
|
||||
data ProCon = ProCon {
|
||||
_proConId :: UID,
|
||||
_proConText :: Text }
|
||||
_proConUid :: Uid,
|
||||
_proConContent :: Text }
|
||||
|
||||
makeLenses ''ProCon
|
||||
makeFields ''ProCon
|
||||
|
||||
data ItemKind = HackageLibrary | Library | Unknown
|
||||
|
||||
data Item = Item {
|
||||
_itemId :: UID,
|
||||
_name :: Text,
|
||||
_pros :: [ProCon],
|
||||
_cons :: [ProCon],
|
||||
_link :: Maybe Text,
|
||||
_kind :: ItemKind }
|
||||
_itemUid :: Uid,
|
||||
_itemName :: Text,
|
||||
_itemPros :: [ProCon],
|
||||
_itemCons :: [ProCon],
|
||||
_itemLink :: Maybe Text,
|
||||
_itemKind :: ItemKind }
|
||||
|
||||
makeLenses ''Item
|
||||
makeFields ''Item
|
||||
|
||||
proConById :: UID -> Lens' Item ProCon
|
||||
proConById uid = singular $
|
||||
(pros.each . filtered ((== uid) . view proConId)) `failing`
|
||||
(cons.each . filtered ((== uid) . view proConId))
|
||||
proConById :: Uid -> Lens' Item ProCon
|
||||
proConById uid' = singular $
|
||||
(pros.each . filtered ((== uid') . view uid)) `failing`
|
||||
(cons.each . filtered ((== uid') . view uid))
|
||||
|
||||
data Category = Category {
|
||||
_catId :: UID,
|
||||
_title :: Text,
|
||||
_items :: [Item] }
|
||||
_categoryUid :: Uid,
|
||||
_categoryTitle :: Text,
|
||||
_categoryItems :: [Item] }
|
||||
|
||||
makeLenses ''Category
|
||||
makeFields ''Category
|
||||
|
||||
data S = S {
|
||||
_categories :: [Category] }
|
||||
|
||||
makeLenses ''S
|
||||
|
||||
categoryById :: UID -> Lens' S Category
|
||||
categoryById uid = singular $
|
||||
categories.each . filtered ((== uid) . view catId)
|
||||
categoryById :: Uid -> Lens' S Category
|
||||
categoryById uid' = singular $
|
||||
categories.each . filtered ((== uid') . view uid)
|
||||
|
||||
itemById :: UID -> Lens' S Item
|
||||
itemById uid = singular $
|
||||
categories.each . items.each . filtered ((== uid) . view itemId)
|
||||
itemById :: Uid -> Lens' S Item
|
||||
itemById uid' = singular $
|
||||
categories.each . items.each . filtered ((== uid') . view uid)
|
||||
|
||||
emptyState :: S
|
||||
emptyState = S {
|
||||
@ -95,25 +97,25 @@ sampleState :: S
|
||||
sampleState = S {
|
||||
_categories = [
|
||||
Category {
|
||||
_catId = 1,
|
||||
_title = "lenses",
|
||||
_items = [
|
||||
_categoryUid = 1,
|
||||
_categoryTitle = "lenses",
|
||||
_categoryItems = [
|
||||
Item {
|
||||
_itemId = 2,
|
||||
_name = "lens",
|
||||
_pros = [ProCon 3 "the standard lenses library",
|
||||
ProCon 4 "batteries included"],
|
||||
_cons = [ProCon 5 "huge"],
|
||||
_link = Nothing,
|
||||
_kind = HackageLibrary },
|
||||
_itemUid = 2,
|
||||
_itemName = "lens",
|
||||
_itemPros = [ProCon 3 "the standard lenses library",
|
||||
ProCon 4 "batteries included"],
|
||||
_itemCons = [ProCon 5 "huge"],
|
||||
_itemLink = Nothing,
|
||||
_itemKind = HackageLibrary },
|
||||
Item {
|
||||
_itemId = 6,
|
||||
_name = "microlens",
|
||||
_pros = [ProCon 7 "very small",
|
||||
ProCon 8 "good for libraries"],
|
||||
_cons = [ProCon 9 "doesn't have advanced features"],
|
||||
_link = Nothing,
|
||||
_kind = HackageLibrary }
|
||||
_itemUid = 6,
|
||||
_itemName = "microlens",
|
||||
_itemPros = [ProCon 7 "very small",
|
||||
ProCon 8 "good for libraries"],
|
||||
_itemCons = [ProCon 9 "doesn't have advanced features"],
|
||||
_itemLink = Nothing,
|
||||
_itemKind = HackageLibrary }
|
||||
] }
|
||||
] }
|
||||
|
||||
@ -141,100 +143,100 @@ main = runSpock 8080 $ spockT id $ do
|
||||
-- Create a new category, with its title submitted via a POST request.
|
||||
Spock.post "/category/add" $ do
|
||||
title' <- param' "title"
|
||||
uid <- randomUID
|
||||
uid' <- randomUid
|
||||
let newCategory = Category {
|
||||
_catId = uid,
|
||||
_title = title',
|
||||
_items = [] }
|
||||
_categoryUid = uid',
|
||||
_categoryTitle = title',
|
||||
_categoryItems = [] }
|
||||
withS $
|
||||
categories %= (++ [newCategory])
|
||||
lucid $ renderCategory newCategory
|
||||
|
||||
-- Create a new library in the specified category, with the library name
|
||||
-- and category id submitted via a POST request.
|
||||
Spock.post ("/category" <//> var <//> "library/add") $ \catId' -> do
|
||||
Spock.post ("/category" <//> var <//> "library/add") $ \catId -> do
|
||||
name' <- param' "name"
|
||||
uid <- randomUID
|
||||
uid' <- randomUid
|
||||
let newItem = Item {
|
||||
_itemId = uid,
|
||||
_name = name',
|
||||
_pros = [],
|
||||
_cons = [],
|
||||
_link = Nothing,
|
||||
_kind = HackageLibrary }
|
||||
_itemUid = uid',
|
||||
_itemName = name',
|
||||
_itemPros = [],
|
||||
_itemCons = [],
|
||||
_itemLink = Nothing,
|
||||
_itemKind = HackageLibrary }
|
||||
-- TODO: maybe do something if the category doesn't exist (e.g. has been
|
||||
-- already deleted)
|
||||
withS $
|
||||
categoryById catId' . items %= (++ [newItem])
|
||||
categoryById catId . items %= (++ [newItem])
|
||||
lucid $ renderItem Normal newItem
|
||||
|
||||
-- Add a pro (argument in favor of a library).
|
||||
Spock.post ("/item" <//> var <//> "pro/add") $ \itemId' -> do
|
||||
content <- param' "content"
|
||||
uid <- randomUID
|
||||
let newThing = ProCon uid content
|
||||
Spock.post ("/item" <//> var <//> "pro/add") $ \itemId -> do
|
||||
content' <- param' "content"
|
||||
uid' <- randomUid
|
||||
let newThing = ProCon uid' content'
|
||||
withS $ do
|
||||
itemById itemId' . pros %= (++ [newThing])
|
||||
lucid $ renderProCon Editable itemId' newThing
|
||||
itemById itemId . pros %= (++ [newThing])
|
||||
lucid $ renderProCon Editable itemId newThing
|
||||
|
||||
-- Add a con (argument against a library).
|
||||
Spock.post ("/item" <//> var <//> "con/add") $ \itemId' -> do
|
||||
content <- param' "content"
|
||||
uid <- randomUID
|
||||
let newThing = ProCon uid content
|
||||
Spock.post ("/item" <//> var <//> "con/add") $ \itemId -> do
|
||||
content' <- param' "content"
|
||||
uid' <- randomUid
|
||||
let newThing = ProCon uid' content'
|
||||
withS $ do
|
||||
itemById itemId' . cons %= (++ [newThing])
|
||||
lucid $ renderProCon Editable itemId' newThing
|
||||
itemById itemId . cons %= (++ [newThing])
|
||||
lucid $ renderProCon Editable itemId newThing
|
||||
|
||||
-- Set the title of a category (returns rendered new title).
|
||||
Spock.post ("/category" <//> var <//> "title/set") $ \catId' -> do
|
||||
Spock.post ("/category" <//> var <//> "title/set") $ \catId -> do
|
||||
title' <- param' "title"
|
||||
changedCategory <- withS $ do
|
||||
categoryById catId' . title .= title'
|
||||
use (categoryById catId')
|
||||
categoryById catId . title .= title'
|
||||
use (categoryById catId)
|
||||
lucid $ renderCategoryHeading changedCategory
|
||||
|
||||
-- Return rendered title of a category.
|
||||
Spock.get ("/category" <//> var <//> "title/render-normal") $ \catId' -> do
|
||||
category <- withS $ use (categoryById catId')
|
||||
Spock.get ("/category" <//> var <//> "title/render-normal") $ \catId -> do
|
||||
category <- withS $ use (categoryById catId)
|
||||
lucid $ renderCategoryHeading category
|
||||
|
||||
-- Return rendered title of a category the way it should look when the
|
||||
-- category is being edited.
|
||||
Spock.get ("/category" <//> var <//> "title/render-edit") $ \catId' -> do
|
||||
category <- withS $ use (categoryById catId')
|
||||
Spock.get ("/category" <//> var <//> "title/render-edit") $ \catId -> do
|
||||
category <- withS $ use (categoryById catId)
|
||||
lucid $ renderCategoryHeadingEdit category
|
||||
|
||||
-- Return rendered item the way it should normally look.
|
||||
Spock.get ("/item" <//> var <//> "render-normal") $ \itemId' -> do
|
||||
item <- withS $ use (itemById itemId')
|
||||
Spock.get ("/item" <//> var <//> "render-normal") $ \itemId -> do
|
||||
item <- withS $ use (itemById itemId)
|
||||
lucid $ renderItem Normal item
|
||||
|
||||
-- Return rendered item the way it should look when it's editable.
|
||||
Spock.get ("/item" <//> var <//> "render-edit") $ \itemId' -> do
|
||||
item <- withS $ use (itemById itemId')
|
||||
Spock.get ("/item" <//> var <//> "render-edit") $ \itemId -> do
|
||||
item <- withS $ use (itemById itemId)
|
||||
lucid $ renderItem Editable item
|
||||
|
||||
-- Return rendered pro/con the way it should normally look.
|
||||
Spock.get ("/item" <//> var <//> "pro-con" <//> var <//> "render-normal") $
|
||||
\itemId' proConId' -> do
|
||||
thing <- withS $ use (itemById itemId' . proConById proConId')
|
||||
lucid $ renderProCon Editable itemId' thing
|
||||
\itemId thingId -> do
|
||||
thing <- withS $ use (itemById itemId . proConById thingId)
|
||||
lucid $ renderProCon Editable itemId thing
|
||||
|
||||
-- Return rendered pro/con the way it should look when it's being edited.
|
||||
Spock.get ("/item" <//> var <//> "pro-con" <//> var <//> "render-edit") $
|
||||
\itemId' proConId' -> do
|
||||
thing <- withS $ use (itemById itemId' . proConById proConId')
|
||||
lucid $ renderProCon InEdit itemId' thing
|
||||
\itemId thingId -> do
|
||||
thing <- withS $ use (itemById itemId . proConById thingId)
|
||||
lucid $ renderProCon InEdit itemId thing
|
||||
|
||||
-- Change a pro/con.
|
||||
Spock.post ("/item" <//> var <//> "pro-con" <//> var <//> "set") $
|
||||
\itemId' proConId' -> do
|
||||
content <- param' "content"
|
||||
\itemId thingId -> do
|
||||
content' <- param' "content"
|
||||
changedThing <- withS $ do
|
||||
itemById itemId' . proConById proConId' . proConText .= content
|
||||
use (itemById itemId' . proConById proConId')
|
||||
lucid $ renderProCon Editable itemId' changedThing
|
||||
itemById itemId . proConById thingId . content .= content'
|
||||
use (itemById itemId . proConById thingId)
|
||||
lucid $ renderProCon Editable itemId changedThing
|
||||
|
||||
renderRoot :: S -> HtmlT IO ()
|
||||
renderRoot s = do
|
||||
@ -256,26 +258,26 @@ renderCategoryHeading category =
|
||||
-- TODO: make category headings anchor links
|
||||
toHtml (category^.title)
|
||||
textButton "edit" $
|
||||
js_startCategoryHeadingEdit (headerNode, category^.catId)
|
||||
js_startCategoryHeadingEdit (headerNode, category^.uid)
|
||||
|
||||
renderCategoryHeadingEdit :: Category -> HtmlT IO ()
|
||||
renderCategoryHeadingEdit category =
|
||||
h2_ $ do
|
||||
headerNode <- thisNode
|
||||
let handler = js_submitCategoryHeadingEdit
|
||||
(headerNode, category^.catId, js_this_value)
|
||||
(headerNode, category^.uid, js_this_value)
|
||||
input_ [type_ "text", value_ (category^.title), submitFunc handler]
|
||||
textButton "cancel" $
|
||||
js_cancelCategoryHeadingEdit (headerNode, category^.catId)
|
||||
js_cancelCategoryHeadingEdit (headerNode, category^.uid)
|
||||
|
||||
renderCategory :: Category -> HtmlT IO ()
|
||||
renderCategory category =
|
||||
div_ [id_ (tshow (category^.catId))] $ do
|
||||
div_ [id_ (tshow (category^.uid))] $ do
|
||||
renderCategoryHeading category
|
||||
itemsNode <- div_ [class_ "items"] $ do
|
||||
mapM_ (renderItem Normal) (category^.items)
|
||||
thisNode
|
||||
let handler = js_addLibrary (itemsNode, category^.catId, js_this_value)
|
||||
let handler = js_addLibrary (itemsNode, category^.uid, js_this_value)
|
||||
input_ [type_ "text", placeholder_ "new item", submitFunc handler]
|
||||
|
||||
-- TODO: when the link for a HackageLibrary isn't empty, show it separately
|
||||
@ -285,37 +287,37 @@ renderItem
|
||||
-> Item
|
||||
-> HtmlT IO ()
|
||||
renderItem editable item =
|
||||
div_ [class_ "item", id_ (tshow (item^.itemId))] $ do
|
||||
div_ [class_ "item", id_ (tshow (item^.uid))] $ do
|
||||
itemNode <- thisNode
|
||||
h3_ $ do
|
||||
itemHeader
|
||||
case editable of
|
||||
Normal -> textButton "edit" $
|
||||
js_enableItemEdit (itemNode, item^.itemId)
|
||||
js_enableItemEdit (itemNode, item^.uid)
|
||||
Editable -> textButton "edit off" $
|
||||
js_disableItemEdit (itemNode, item^.itemId)
|
||||
js_disableItemEdit (itemNode, item^.uid)
|
||||
div_ [class_ "pros-cons"] $ do
|
||||
div_ [class_ "pros"] $ do
|
||||
p_ "Pros:"
|
||||
case editable of
|
||||
Normal ->
|
||||
ul_ $ mapM_ (renderProCon Normal (item^.itemId)) (item^.pros)
|
||||
ul_ $ mapM_ (renderProCon Normal (item^.uid)) (item^.pros)
|
||||
Editable -> do
|
||||
listNode <- ul_ $ do
|
||||
mapM_ (renderProCon Editable (item^.itemId)) (item^.pros)
|
||||
mapM_ (renderProCon Editable (item^.uid)) (item^.pros)
|
||||
thisNode
|
||||
let handler = js_addPro (listNode, item^.itemId, js_this_value)
|
||||
let handler = js_addPro (listNode, item^.uid, js_this_value)
|
||||
input_ [type_ "text", placeholder_ "add pro", submitFunc handler]
|
||||
div_ [class_ "cons"] $ do
|
||||
p_ "Cons:"
|
||||
case editable of
|
||||
Normal ->
|
||||
ul_ $ mapM_ (renderProCon Normal (item^.itemId)) (item^.cons)
|
||||
ul_ $ mapM_ (renderProCon Normal (item^.uid)) (item^.cons)
|
||||
Editable -> do
|
||||
listNode <- ul_ $ do
|
||||
mapM_ (renderProCon Editable (item^.itemId)) (item^.cons)
|
||||
mapM_ (renderProCon Editable (item^.uid)) (item^.cons)
|
||||
thisNode
|
||||
let handler = js_addCon (listNode, item^.itemId, js_this_value)
|
||||
let handler = js_addCon (listNode, item^.uid, js_this_value)
|
||||
input_ [type_ "text", placeholder_ "add con", submitFunc handler]
|
||||
where
|
||||
hackageLink = format "https://hackage.haskell.org/package/{}"
|
||||
@ -327,20 +329,20 @@ renderItem editable item =
|
||||
a_ [href_ hackageLink] (toHtml (item^.name))
|
||||
_otherwise -> toHtml (item^.name)
|
||||
|
||||
renderProCon :: Editable -> UID -> ProCon -> HtmlT IO ()
|
||||
renderProCon Normal _ thing = li_ (toHtml (thing^.proConText))
|
||||
renderProCon Editable itemId' thing = li_ $ do
|
||||
renderProCon :: Editable -> Uid -> ProCon -> HtmlT IO ()
|
||||
renderProCon Normal _ proCon = li_ (toHtml (proCon^.content))
|
||||
renderProCon Editable itemId proCon = li_ $ do
|
||||
this <- thisNode
|
||||
toHtml (thing^.proConText)
|
||||
toHtml (proCon^.content)
|
||||
textButton "edit" $
|
||||
js_startProConEdit (this, itemId', thing^.proConId)
|
||||
renderProCon InEdit itemId' thing = li_ $ do
|
||||
js_startProConEdit (this, itemId, proCon^.uid)
|
||||
renderProCon InEdit itemId thing = li_ $ do
|
||||
this <- thisNode
|
||||
let handler = js_submitProConEdit
|
||||
(this, itemId', thing^.proConId, js_this_value)
|
||||
input_ [type_ "text", value_ (thing^.proConText), submitFunc handler]
|
||||
(this, itemId, thing^.uid, js_this_value)
|
||||
input_ [type_ "text", value_ (thing^.content), submitFunc handler]
|
||||
textButton "cancel" $
|
||||
js_cancelProConEdit (this, itemId', thing^.proConId)
|
||||
js_cancelProConEdit (this, itemId, thing^.uid)
|
||||
|
||||
-- Utils
|
||||
|
||||
@ -540,9 +542,9 @@ type JQuerySelector = Text
|
||||
|
||||
thisNode :: HtmlT IO JQuerySelector
|
||||
thisNode = do
|
||||
uid <- randomUID
|
||||
span_ [id_ (tshow uid)] mempty
|
||||
return (T.pack (show (format ":has(> #{})" [uid])))
|
||||
uid' <- randomUid
|
||||
span_ [id_ (tshow uid')] mempty
|
||||
return (T.pack (show (format ":has(> #{})" [uid'])))
|
||||
|
||||
lucid :: HtmlT IO a -> ActionT IO a
|
||||
lucid h = do
|
||||
|
||||
Loading…
Reference in New Issue
Block a user