<?php
session_start();
include("../include/settings.php");
if(!isset($_GET["q"])){
echo("Question not specified.");
die();
}
else if(!isset($_SESSION["uid"])){
echo("You need to log in to perform that task.");
}
else{
$db = new sqlite3('../ask.db');
$question = $db->query("SELECT * FROM questions WHERE id = '" . $_GET["q"] . "';")->fetchArray(SQLITE3_ASSOC);
if(!$question || !$question["id"]){
echo("Question not found.");
die();
}
else if($question["user"] != $_SESSION["uid"]){
echo("You have no permission to answer this question.");
die();
}
if(isset($_POST["answered"])){
if($_POST["answer_body"] == ""){
echo("Answer cannot be blank.");
}
else{
$db->exec("UPDATE questions SET answer = '" . htmlspecialchars($_POST["answer_body"], ENT_QUOTES) . "', a_date = " . strtotime("now") . " WHERE id = " . $_GET["q"] . ";");
$question = $db->query("SELECT * FROM questions WHERE id = '" . $_GET["q"] . "';")->fetchArray(SQLITE3_ASSOC);
$user = $db->query("SELECT * FROM users WHERE id = '" . $_SESSION["uid"] . "';")->fetchArray(SQLITE3_ASSOC);
// Writing the tweet text
$separator = " - ";
$tw_url_length = 23;
$max_length = 280 - strlen($separator) - strlen(" ") - $tw_url_length;
$ellipsis = "...";
if(strlen($question["question"]) >= $max_length/2 - strlen($separator)){
if(strlen($question["answer"]) >= $max_length/2 - strlen($separator)){
$tweet = substr($question["question"],0,$max_length/2 - strlen($ellipsis)) . $ellipsis;
$tweet = $tweet . $separator . substr($question["answer"],0,$max_length/2 - strlen($ellipsis)) . $ellipsis;
}
else{
$tweet = substr($question["question"],0,$max_length - strlen($question["answer"]) - strlen($ellipsis)) . $ellipsis;
$tweet = $tweet . $separator . $question["answer"];
}
}
else{
if(strlen($question["answer"]) >= $max_length/2 - strlen($separator)){
$tweet = $question["question"] . $separator;
$tweet = $tweet . substr($question["answer"],0,$max_length - strlen($question["question"]) - strlen($ellipsis)) . $ellipsis;
}
else{
$tweet = $question["question"] . $separator . $question["answer"];
}
}
$tweet = $tweet . " https://" . $_SERVER['HTTP_HOST'] . "/user/" . $user["username"] . "?p=" . $question["id"];
// echo strlen($tweet) . " - " . strlen($question["answer"]) . "<br/><br/>\n";
// echo $tweet;
if($user["tw_oauth_token"] && $user["tw_oauth_verify"]){
include("../include/tw-post.php");
post_tweet(htmlspecialchars_decode($tweet, ENT_QUOTES));
}
if($fancy_urls){
header("Location: /user/" . $db->querySingle("SELECT username FROM users WHERE id = " . $question["user"] . ";"));
die();
}
else{
header("Location: /user.php?q=" . $db->querySingle("SELECT username FROM users WHERE id = " . $question["user"] . ";"));
die();
}
}
}
}
?>
<!DOCTYPE html>
<html>
<head>
<?php include("../themes/$theme_name/reply.php"); ?>
</head>
<body>
<?php
?>
<div class="main-container">
<h3 class="question"><?= $question["question"] ?></h3>
<form action="" method="post">
<textarea cols=100 rows=10 name="answer_body" placeholder="Write your answer."></textarea><br/>
<input type="submit" name="answered"/>
</form>
</div>
</body>
</html>