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53 lines
1.4 KiB
53 lines
1.4 KiB
<?php
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namespace Adafruit\FeedMangler;
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use \Doctrine\Common\Cache\FilesystemCache;
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class Mangler {
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public static function getSearchData ($term)
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{
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return json_decode(self::getSearchJson($term), true /* use assoc array */);
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}
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public static function getSearchJson ($term)
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{
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// example: https://api.hackaday.io/v1/search?api_key=7yRgvQsCczOev&search_term=test
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$query = http_build_query([
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'api_key' => API_KEY,
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'search_term' => $term,
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]);
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$search_url = 'https://api.hackaday.io/v1/search/projects?' . $query;
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$raw_search_json = self::getOrSetCache("search-{$term}", function () use ($search_url) {
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return file_get_contents($search_url);
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});
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return $raw_search_json;
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}
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/**
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* Get a cached value by key, or stash the value returned from $callback
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* under that key and return it.
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*/
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protected static function getOrSetCache ($key, $callback, $expire = 600)
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{
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$cache = new FilesystemCache('/tmp');
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$cache->setNamespace('hackaday_projecten');
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// Juuuuuuust in case anyone gets clever with input - I don't know that I
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// especially trust this cache implementation not to dump user input onto the
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// filesystem:
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$hashed_key = hash('sha256', $key);
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if ($cache->contains($hashed_key)) {
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return $cache->fetch($hashed_key);
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}
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$callback_result = call_user_func($callback);
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$cache->save($hashed_key, $callback_result, $expire);
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return $callback_result;
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}
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}
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