You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
70 lines
1.6 KiB
PHP
70 lines
1.6 KiB
PHP
<?php
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/*
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* Cryto Learn is more free software. It is licensed under the WTFPL, which
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* allows you to do pretty much anything with it, without having to
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* ask permission. Commercial use is allowed, and no attribution is
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* required. We do politely request that you share your modifications
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* to benefit other developers, but you are under no enforced
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* obligation to do so :)
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*
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* Please read the accompanying LICENSE document for the full WTFPL
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* licensing text.
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*/
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if(!isset($_APP)) { die("Unauthorized."); }
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if(empty($_POST['q']))
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{
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die(json_encode(array(
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"error" => "No search query specified."
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)));
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}
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else
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{
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$query = $_POST['q'];
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$terms = explode(" ", $query);
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$db_query_terms = array();
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$valid_term = false;
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foreach($terms as $term)
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{
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$db_query_terms[] = "`Title` LIKE ?";
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$term = str_replace("%", "\%", $term);
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$term = str_replace("_", "\_", $term);
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$valid_term = $valid_term || (strlen($term) >= 2);
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$db_query_arguments[] = "%{$term}%";
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}
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if($valid_term)
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{
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$db_query = implode(" AND ", $db_query_terms);
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array_unshift($db_query_arguments, '');
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unset($db_query_arguments[0]);
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try
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{
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$results_topics = Topic::CreateFromQuery("SELECT * FROM topics WHERE {$db_query}", $db_query_arguments);
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$return_objects = array();
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foreach($results_topics as $topic)
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{
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$return_objects[] = $topic->AsDataset();
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}
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$sPageContents = json_encode($return_objects);
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}
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catch (NotFoundException $e)
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{
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$sPageContents = json_encode(array("error" => "No results found for the specified query.", "query" => $query));
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}
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}
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else
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{
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die(json_encode(array(
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"error" => "No valid search query specified."
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)));
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}
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}
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