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web: clarify some confusing parameter handling

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This commit is contained in:
Simon Michael 2015-02-15 08:17:47 +00:00
parent d2877a919a
commit 7138acaec4
1 changed files with 11 additions and 9 deletions
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20
hledger-web/Handler/Post.hs
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@ -32,20 +32,21 @@ handlePost = do
handleAdd :: Handler Html
handleAdd = do
VD{..} <- getViewData
-- gruesome adhoc form handling, port to yesod-form later
mjournal <- lookupPostParam "journal"
-- XXX gruesome form handling, port to yesod-form later
mjournalpath <- lookupPostParam "journal"
mdate <- lookupPostParam "date"
mdesc <- lookupPostParam "description"
let edate = maybe (Left "date required") (either (\e -> Left $ showDateParseError e) Right . fixSmartDateStrEither today . strip . unpack) mdate
edesc = Right $ maybe "" unpack mdesc
ejournal = maybe (Right $ journalFilePath j)
ejournalpath = maybe
(Right $ journalFilePath j)
(\f -> let f' = unpack f in
if f' `elem` journalFilePaths j
then Right f'
else Left $ "unrecognised journal file path: " ++ f'
)
mjournal
estrs = [edate, edesc, ejournal]
mjournalpath
estrs = [edate, edesc, ejournalpath]
(errs1, [date,desc,journalpath]) = (lefts estrs, rights estrs)
(params,_) <- runRequestBody
-- mtrace params
@ -136,15 +137,16 @@ handleEdit = do
-- get form input values, or validation errors.
-- getRequest >>= liftIO (reqRequestBody req) >>= mtrace
mtext <- lookupPostParam "text"
mjournal <- lookupPostParam "journal"
mjournalpath <- lookupPostParam "journal"
let etext = maybe (Left "No value provided") (Right . unpack) mtext
ejournal = maybe (Right $ journalFilePath j)
ejournalpath = maybe
(Right $ journalFilePath j)
(\f -> let f' = unpack f in
if f' `elem` journalFilePaths j
then Right f'
else Left ("unrecognised journal file path"::String))
mjournal
estrs = [etext, ejournal]
mjournalpath
estrs = [etext, ejournalpath]
errs = lefts estrs
[text,journalpath] = rights estrs
-- display errors or perform edit