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(* Forum -- forum subapp
Copyright (C) 2013 Benjamin Barenblat <bbaren@mit.edu>
This file is a part of 6.947.
6.947 is is free software: you can redistribute it and/or modify it under the
terms of the GNU Affero General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option) any
later version.
6.947 is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU Affero General Public License for more
details.
You should have received a copy of the GNU Affero General Public License along
with 6.947. If not, see <http://www.gnu.org/licenses/>. *)
functor Make(Template : sig
val generic : option string -> xbody -> page
end) = struct
open Styles
table question : { Id : int,
Body : string
} PRIMARY KEY Id
sequence questionIdS
fun main () : transaction page =
newestQuestions <- queryX (SELECT * FROM question) (fn row =>
<xml>
<p>{[row.Question.Body]}</p>
</xml>);
return (
Template.generic (Some "Forum") <xml>
<div class={content}>
<p>All questions:</p>
{newestQuestions}
<p>Ask a new question:</p>
<form><textbox {#Body} /><submit action={ask} value="Ask" /></form>
</div>
</xml>
)
and ask submission =
id <- nextval questionIdS;
dml (INSERT INTO question (Id, Body)
VALUES ({[id]}, {[submission.Body]}));
main ()
end
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