Use bind() for result steps
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parent
f5feef177a
commit
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12
src/composer.lock
generated
12
src/composer.lock
generated
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@ -8,11 +8,11 @@
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"packages": [
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{
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"name": "bit-badger/inspired-by-fsharp",
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"version": "v1.0.0-beta1",
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"version": "v1.0.0-beta2",
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"source": {
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"type": "git",
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"url": "https://git.bitbadger.solutions/bit-badger/inspired-by-fsharp",
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"reference": "efb3a4461edcb23e0dd82068adeb0591240870b0"
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"reference": "fad428a4e40b606987499b17bb2d5b7d4b04502d"
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},
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"require": {
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"php": "^8.2"
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@ -49,15 +49,15 @@
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"rss": "https://git.bitbadger.solutions/bit-badger/inspired-by-fsharp.rss",
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"source": "https://git.bitbadger.solutions/bit-badger/inspired-by-fsharp"
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},
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"time": "2024-07-28T21:35:11+00:00"
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"time": "2024-07-29T17:58:33+00:00"
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},
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{
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"name": "bit-badger/pdo-document",
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"version": "v1.0.0-beta8",
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"version": "v1.0.0-beta9",
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"source": {
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"type": "git",
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"url": "https://git.bitbadger.solutions/bit-badger/pdo-document",
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"reference": "039283224a173bd3e8a9bc5de0caf349ba7b58e6"
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"reference": "9e0e663811d9dbbdb94a2c04ce8b874e91a7c85b"
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},
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"require": {
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"bit-badger/inspired-by-fsharp": "^1",
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@ -103,7 +103,7 @@
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"rss": "https://git.bitbadger.solutions/bit-badger/pdo-document.rss",
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"source": "https://git.bitbadger.solutions/bit-badger/pdo-document"
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},
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"time": "2024-07-29T00:08:44+00:00"
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"time": "2024-07-29T20:57:51+00:00"
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},
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{
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"name": "netresearch/jsonmapper",
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@ -175,22 +175,18 @@ class Feed
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* @param int $feedId The ID of the feed to be refreshed
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* @param string $url The URL of the feed to be refreshed
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* @return Result<true, string> True if successful, an error message if not
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* @throws DocumentException If any is encountered
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*/
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public static function refreshFeed(int $feedId, string $url): Result
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{
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$tryRetrieve = ParsedFeed::retrieve($url);
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if ($tryRetrieve->isError()) return $tryRetrieve;
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$feed = $tryRetrieve->getOK();
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return ParsedFeed::retrieve($url)
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->bind(function (ParsedFeed $feed) use ($feedId, $url) {
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try {
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$feedDoc = Find::byId(Table::Feed, $feedId, self::class);
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if ($feedDoc->isNone()) return Result::Error('Could not derive date last checked for feed');
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$lastChecked = date_create_immutable($feedDoc->get()->checked_on ?? WWW_EPOCH);
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$itemUpdate = self::updateItems($feedId, $feed, $lastChecked);
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if ($itemUpdate->isError()) return $itemUpdate;
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return self::updateItems($feedId, $feed, $lastChecked)
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->bind(function () use ($feed, $feedId, $url) {
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$patch = [
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'title' => $feed->title,
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'updated_on' => $feed->updatedOn,
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@ -198,11 +194,12 @@ class Feed
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];
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if ($url !== $feed->url) $patch['url'] = $feed->url;
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Patch::byId(Table::Feed, $feedId, $patch);
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})
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->bind(fn() => PURGE_TYPE === self::PurgeNone ? Result::OK(true) : self::purgeItems($feedId));
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} catch (DocumentException $ex) {
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return Result::Error("$ex");
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}
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return PURGE_TYPE === self::PurgeNone ? Result::OK(true) : self::purgeItems($feedId);
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});
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}
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/**
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@ -213,10 +210,8 @@ class Feed
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*/
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public static function add(string $url): Result
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{
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$tryRetrieve = ParsedFeed::retrieve($url);
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if ($tryRetrieve->isError()) return $tryRetrieve;
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$feed = $tryRetrieve->getOK();
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return ParsedFeed::retrieve($url)
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->bind(function (ParsedFeed $feed) {
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try {
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$fields = [Field::EQ('user_id', $_SESSION[Key::UserId]), Field::EQ('url', $feed->url)];
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if (Exists::byFields(Table::Feed, $fields)) {
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@ -225,15 +220,15 @@ class Feed
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Document::insert(Table::Feed, self::fromParsed($feed));
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$tryDoc = Find::firstByFields(Table::Feed, $fields, self::class);
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if ($tryDoc->isNone()) return Result::Error('Could not retrieve inserted feed');
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$doc = $tryDoc->get();
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$doc = Find::firstByFields(Table::Feed, $fields, self::class);
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if ($doc->isNone()) return Result::Error('Could not retrieve inserted feed');
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$result = self::updateItems($doc->id, $feed, date_create_immutable(WWW_EPOCH));
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return $result->isError() ? $result : Result::OK($doc->id);
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return self::updateItems($doc->get()->id, $feed, date_create_immutable(WWW_EPOCH))
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->bind(fn() => Result::OK($doc->get()->id));
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} catch (DocumentException $ex) {
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return Result::Error("$ex");
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}
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});
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}
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/**
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@ -239,39 +239,38 @@ readonly class ParsedFeed
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*/
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public static function retrieve(string $url): Result
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{
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$tryDoc = self::retrieveDocument($url);
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if ($tryDoc->isError()) return $tryDoc;
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$doc = $tryDoc->getOK();
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if ($doc['code'] !== 200) {
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return Result::Error("Prospective feed URL $url returned HTTP Code {$doc['code']}: {$doc['content']}");
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}
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$doc = self::retrieveDocument($url)
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->bind(fn(array $doc) => match ($doc['code']) {
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200 => Result::OK($doc),
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default => Result::Error(
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"Prospective feed URL $url returned HTTP Code {$doc['code']}: {$doc['content']}"),
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})
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->bind(function (array $doc) use ($url) {
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$start = strtolower(strlen($doc['content']) >= 9 ? substr($doc['content'], 0, 9) : $doc['content']);
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if ($start === '<!doctype' || str_starts_with($start, '<html')) {
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$derivedURL = self::deriveFeedFromHTML($doc['content']);
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if ($derivedURL->isError()) return $derivedURL;
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$feedURL = $derivedURL->getOK();
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return $start === '<!doctype' || str_starts_with($start, '<html')
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? self::deriveFeedFromHTML($doc['content'])
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->bind(function (string $feedURL) use ($url) {
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if (!str_starts_with($feedURL, 'http')) {
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// Relative URL; feed should be retrieved in the context of the original URL
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$original = parse_url($url);
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$port = key_exists('port', $original) ? ":{$original['port']}" : '';
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$feedURL = $original['scheme'] . '://' . $original['host'] . $port . $feedURL;
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}
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$tryDoc = self::retrieveDocument($feedURL);
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if ($tryDoc->isError()) return $tryDoc;
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$doc = $tryDoc->getOK();
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if ($doc['code'] !== 200) {
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return Result::Error("Derived feed URL $url returned HTTP Code {$doc['code']}: {$doc['content']}");
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}
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}
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$tryParse = self::parseFeed($doc['content']);
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if ($tryParse->isError()) return $tryParse;
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$parsed = $tryParse->getOK();
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return self::retrieveDocument($feedURL);
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})
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->bind(fn($doc) => match ($doc['code']) {
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200 => Result::OK($doc),
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default => Result::Error(
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"Derived feed URL {$doc['url']} returned HTTP Code {$doc['code']}: {$doc['content']}"),
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})
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: Result::OK($doc);
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});
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return $doc
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->bind(fn($doc) => self::parseFeed($doc['content']))
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->bind(function (DOMDocument $parsed) use ($doc) {
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$extract = $parsed->getElementsByTagNameNS(self::ATOM_NS, 'feed')->length > 0
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? self::fromAtom(...) : self::fromRSS(...);
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return $extract($parsed, $doc['url']);
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});
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}
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}
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@ -44,10 +44,10 @@ switch ($_SERVER['REQUEST_METHOD']) {
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? Feed::update($toEdit->get(), $_POST['url'])
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: Result::Error("Feed $feedId not found");
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}
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if ($result->isOK()) {
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$result->iter(function () {
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add_info('Feed saved successfully');
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frc_redirect('/feeds');
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}
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});
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add_error($result->getError());
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$feedId = 'error';
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} catch (DocumentException $ex) {
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