From b14399deb875686fd9a781ccad56968ea9f15707 Mon Sep 17 00:00:00 2001 From: "Daniel J. Summers" Date: Tue, 30 Apr 2024 18:51:09 -0400 Subject: [PATCH] Add no purge, manual delete options (#12) - Add htmx, hx attributes - Only add/update items since last check - Move messages to session to persist across redirects - Polish styles a bit (still WIP) --- INSTALLING.md | 3 +- src/app-config.php | 3 ++ src/lib/Feed.php | 77 ++++++++++++++++++----------------- src/public/assets/htmx.min.js | 1 + src/public/assets/style.css | 34 +++++++++++++++- src/public/index.php | 12 ++++-- src/public/item.php | 25 +++++++++++- src/public/user/log-on.php | 2 +- src/start.php | 76 ++++++++++++++++++++++------------ src/user-config.dist.php | 1 + 10 files changed, 163 insertions(+), 71 deletions(-) create mode 100644 src/public/assets/htmx.min.js diff --git a/INSTALLING.md b/INSTALLING.md index d2e88e0..047f8ea 100644 --- a/INSTALLING.md +++ b/INSTALLING.md @@ -46,7 +46,8 @@ The default format for dates and times look like "May 28, 2023 at 3:15pm". Chang ### Item Purging -Feed Reader Central tries to keep the database tidy by purging items that have been read and are no longer required. There are three variants: +Feed Reader Central tries to keep the database tidy by purging items that have been read and are no longer required. There are four variants: +- `Feed::PURGE_NONE` does no purging (items have a "Delete" button, so they may be deleted manually) - `Feed::PURGE_READ` purges non-bookmarked read items for a feed whenever it is refreshed. This is the most aggressive purging strategy, but it is also the only one that will not purge unread items. - `Feed::PURGE_BY_DAYS` purges non-bookmarked items that are older than `PURGE_NUMBER` days old. This is the default value, and `PURGE_NUMBER`'s default value is 30; items will be kept for 30 days, read or unread. - `Feed::PURGE_BY_COUNT` purges items to preserve at most `PURGE_NUMBER` non-bookmarked items for each feed. diff --git a/src/app-config.php b/src/app-config.php index 8e8751d..0862dab 100644 --- a/src/app-config.php +++ b/src/app-config.php @@ -15,3 +15,6 @@ spl_autoload_register(function ($class) { require 'user-config.php'; Data::ensureDb(); + +/** @var string The date the world wide web was created */ +const WWW_EPOCH = '1993-04-30T00:00:00+00:00'; diff --git a/src/lib/Feed.php b/src/lib/Feed.php index 498200f..c6e9191 100644 --- a/src/lib/Feed.php +++ b/src/lib/Feed.php @@ -30,6 +30,9 @@ class Feed { private const string USER_AGENT = 'FeedReaderCentral/' . FRC_VERSION . ' +https://bitbadger.solutions/open-source/feed-reader-central'; + /** @var int Do not purge items */ + public const int PURGE_NONE = 0; + /** @var int Purge all read items (will not purge unread items) */ public const int PURGE_READ = 1; @@ -312,38 +315,33 @@ class Feed { * * @param int $feedId The ID of the feed to which these items belong * @param Feed $feed The extracted Atom or RSS feed items + * @param DateTimeInterface $lastChecked When this feed was last checked (only new items will be added) * @return array ['ok' => true] if successful, ['error' => message] if not */ - public static function updateItems(int $feedId, Feed $feed, SQLite3 $db): array { - - // Do not add items that are older than the oldest we currently have; this keeps us from re-adding items that - // have been purged already - $oldestQuery = $db->prepare( - 'SELECT MIN(coalesce(updated_on, published_on)) FROM item where feed_id = :feed AND is_bookmarked = 0'); - $oldestQuery->bindValue(':feed', $feedId); - if (!($oldest = $oldestQuery->execute())) return Data::error($db); - $minDate = date_create_immutable($oldest->fetchArray(SQLITE3_NUM)[0] ?? '1993-04-30T00:00:00+00:00'); - - foreach ($feed->items as $item) { - if (date_create_immutable($item->updatedOn ?? $item->publishedOn) < $minDate) continue; - $existsQuery = $db->prepare( - 'SELECT id, published_on, updated_on FROM item WHERE feed_id = :feed AND item_guid = :guid'); - $existsQuery->bindValue(':feed', $feedId); - $existsQuery->bindValue(':guid', $item->guid); - if ($exists = $existsQuery->execute()) { - if ($existing = $exists->fetchArray(SQLITE3_ASSOC)) { - if ( $existing['published_on'] != $item->publishedOn - || ($existing['updated_on'] ?? '') != ($item->updatedOn ?? '')) { - if (!self::updateItem($existing['id'], $item, $db)) return Data::error($db); + public static function updateItems(int $feedId, Feed $feed, DateTimeInterface $lastChecked, SQLite3 $db): array { + $results = + array_map(function ($item) use ($db, $feedId) { + $existsQuery = $db->prepare( + 'SELECT id, published_on, updated_on FROM item WHERE feed_id = :feed AND item_guid = :guid'); + $existsQuery->bindValue(':feed', $feedId); + $existsQuery->bindValue(':guid', $item->guid); + if ($exists = $existsQuery->execute()) { + if ($existing = $exists->fetchArray(SQLITE3_ASSOC)) { + if ( $existing['published_on'] != $item->publishedOn + || ($existing['updated_on'] ?? '') != ($item->updatedOn ?? '')) { + if (!self::updateItem($existing['id'], $item, $db)) return Data::error($db); + } + } else { + if (!self::addItem($feedId, $item, $db)) return Data::error($db); } } else { - if (!self::addItem($feedId, $item, $db)) return Data::error($db); + return Data::error($db); } - } else { - return Data::error($db); - } - } - return ['ok', true]; + return ['ok' => true]; + }, array_filter($feed->items, + fn($it) => date_create_immutable($it->updatedOn ?? $it->publishedOn) >= $lastChecked)); + $errors = array_map(fn($it) => $it['error'], array_filter($results, fn($it) => array_key_exists('error', $it))); + return sizeof($errors) > 0 ? ['error' => implode("\n", $errors)] : ['ok' => true]; } /** @@ -354,7 +352,6 @@ class Feed { * @return array|string[]|true[] ['ok' => true] if purging was successful, ['error' => message] if not */ private static function purgeItems(int $feedId, SQLite3 $db): array { - if (!array_search(PURGE_TYPE, [self::PURGE_READ, self::PURGE_BY_DAYS, self::PURGE_BY_COUNT])) { return ['error' => 'Unrecognized purge type ' . PURGE_TYPE]; } @@ -365,8 +362,7 @@ class Feed { self::PURGE_BY_DAYS => 'AND date(coalesce(updated_on, published_on)) < date(:oldest)', self::PURGE_BY_COUNT => 'AND id IN (SELECT id FROM item WHERE feed_id = :feed ORDER BY date(coalesce(updated_on, published_on)) DESC - LIMIT -1 OFFSET :keep)', - default => 'AND 1 = 0' + LIMIT -1 OFFSET :keep)' }; $purge = $db->prepare("DELETE FROM item WHERE feed_id = :feed AND is_bookmarked = 0 $sql"); @@ -391,12 +387,18 @@ class Feed { * @return array|string[]|true[] ['ok' => true] if successful, ['error' => message] if not */ public static function refreshFeed(int $feedId, string $url, SQLite3 $db): array { + $feedRetrieval = self::retrieveFeed($url); + if (array_key_exists('error', $feedRetrieval)) return $feedRetrieval; + $feed = $feedRetrieval['ok']; - $feedExtract = self::retrieveFeed($url); - if (array_key_exists('error', $feedExtract)) return $feedExtract; + $lastCheckedQuery = $db->prepare('SELECT checked_on FROM feed where id = :id'); + $lastCheckedQuery->bindValue(':id', $feedId); + if (!($lastCheckedResult = $lastCheckedQuery->execute())) return Data::error($db); + if (!($lastChecked = date_create_immutable($lastCheckedResult->fetchArray(SQLITE3_NUM)[0] ?? WWW_EPOCH))) { + return ['error' => 'Could not derive date last checked for feed']; + } - $feed = $feedExtract['ok']; - $itemUpdate = self::updateItems($feedId, $feed, $db); + $itemUpdate = self::updateItems($feedId, $feed, $lastChecked, $db); if (array_key_exists('error', $itemUpdate)) return $itemUpdate; $urlUpdate = $url == $feed->url ? '' : ', url = :url'; @@ -415,7 +417,7 @@ class Feed { if ($urlUpdate != '') $feedUpdate->bindValue(':url', $feed->url); if (!$feedUpdate->execute()) return Data::error($db); - return self::purgeItems($feedId, $db); + return PURGE_TYPE == self::PURGE_NONE ? ['ok' => true] : self::purgeItems($feedId, $db); } /** @@ -451,7 +453,7 @@ class Feed { if (!$query->execute()) return Data::error($db); $feedId = $db->lastInsertRowID(); - $result = self::updateItems($feedId, $feed, $db); + $result = self::updateItems($feedId, $feed, date_create_immutable(WWW_EPOCH), $db); if (array_key_exists('error', $result)) return $result; return ['ok' => $feedId]; @@ -497,7 +499,8 @@ class Feed { * Refresh all feeds * * @param SQLite3 $db The database connection to use for refreshing feeds - * @return array|true[] ['ok => true] if successful, ['error' => message] if not (may have multiple error lines) + * @return array|true[]|string[] ['ok' => true] if successful, + * ['error' => message] if not (may have multiple error lines) */ public static function refreshAll(SQLite3 $db): array { $feeds = self::retrieveAll($db, $_SESSION[Key::USER_ID]); diff --git a/src/public/assets/htmx.min.js b/src/public/assets/htmx.min.js new file mode 100644 index 0000000..648bef8 --- 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Un(e){delete Mn[e]}function Bn(e,n,r){if(n==undefined){n=[]}if(e==undefined){return n}if(r==undefined){r=[]}const t=te(e,"hx-ext");if(t){se(t.split(","),function(e){e=e.replace(/ /g,"");if(e.slice(0,7)=="ignore:"){r.push(e.slice(7));return}if(r.indexOf(e)<0){const t=Mn[e];if(t&&n.indexOf(t)<0){n.push(t)}}})}return Bn(ce(u(e)),n,r)}var Vn=false;ne().addEventListener("DOMContentLoaded",function(){Vn=true});function jn(e){if(Vn||ne().readyState==="complete"){e()}else{ne().addEventListener("DOMContentLoaded",e)}}function _n(){if(Q.config.includeIndicatorStyles!==false){ne().head.insertAdjacentHTML("beforeend","")}}function zn(){const e=ne().querySelector('meta[name="htmx-config"]');if(e){return S(e.content)}else{return null}}function $n(){const e=zn();if(e){Q.config=ue(Q.config,e)}}jn(function(){$n();_n();let e=ne().body;kt(e);const t=ne().querySelectorAll("[hx-trigger='restored'],[data-hx-trigger='restored']");e.addEventListener("htmx:abort",function(e){const t=e.target;const n=ie(t);if(n&&n.xhr){n.xhr.abort()}});const n=window.onpopstate?window.onpopstate.bind(window):null;window.onpopstate=function(e){if(e.state&&e.state.htmx){Zt();se(t,function(e){he(e,"htmx:restored",{document:ne(),triggerEvent:he})})}else{if(n){n(e)}}};E().setTimeout(function(){he(e,"htmx:load",{});e=null},0)});return Q}(); \ No newline at end of file diff --git a/src/public/assets/style.css b/src/public/assets/style.css index 9ce2647..14747cc 100644 --- a/src/public/assets/style.css +++ b/src/public/assets/style.css @@ -43,6 +43,38 @@ header { main { padding: 0 .5rem; + .refresh, .loading { + font-style: italic; + font-size: .9rem; + } + .htmx-request .refresh { + display: none; + } + + .loading { + display: none; + } + .htmx-request .loading { + display: inline; + } + + .user_messages { + display: flex; + flex-flow: column; + justify-content: center; + } + .user_message { + margin: .25rem auto; + border: solid 1px navy; + border-radius: .5rem; + background-color: rgba(255, 255, 255, .75); + padding: .25rem; + } + + .user_messages + h1 { + margin-top: .25rem; + } + .item_heading { margin-bottom: 0; } @@ -78,7 +110,7 @@ input[type=url], input[type=text], input[type=email], input[type=password] { - width: 50%; + width: 40%; font-size: 1rem; padding: .25rem; border-radius: .25rem; diff --git a/src/public/index.php b/src/public/index.php index 7b8de61..63c32f8 100644 --- a/src/public/index.php +++ b/src/public/index.php @@ -32,13 +32,17 @@ $query->bindValue(':userId', $_SESSION[Key::USER_ID]); $result = $query->execute(); $item = $result ? $result->fetchArray(SQLITE3_ASSOC) : false; -page_head('Welcome'); ?> -

Your Unread Items   (Refresh All Feeds)

+page_head('Your Unread Items'); ?> +

+ Your Unread Items   + (Refresh All Feeds) + Refreshing… +

-

>
-
hx-get=/item?id=> +

fetchArray(SQLITE3_ASSOC); } } else { ?> diff --git a/src/public/item.php b/src/public/item.php index b7a2cfb..37b5436 100644 --- a/src/public/item.php +++ b/src/public/item.php @@ -30,6 +30,26 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST') { frc_redirect('/'); } +if ($_SERVER['REQUEST_METHOD'] == 'DELETE') { + $deleteQuery = $db->prepare(<<<'SQL' + DELETE FROM item + WHERE id IN ( + SELECT item.id + FROM item INNER JOIN feed ON feed.id = item.feed_id + WHERE item.id = :id + AND feed.user_id = :user) + SQL); + $deleteQuery->bindValue(':id', $_GET['id']); + $deleteQuery->bindValue(':user', $_SESSION[Key::USER_ID]); + if ($deleteQuery->execute()) { + add_info('Item deleted'); + } else { + add_error(Data::error($db)['error']); + } + $db->close(); + frc_redirect('/'); +} + $query = $db->prepare(<<<'SQL' SELECT item.title AS item_title, item.item_link, item.published_on, item.updated_on, item.content, feed.title AS feed_title @@ -61,10 +81,11 @@ page_head(htmlentities("{$item['item_title']} | {$item['feed_title']}")); ?>

-
+ > - Done + Done +

Log On

-
$level, 'message' => $message]; + if (!array_key_exists(Key::USER_MSG, $_SESSION)) $_SESSION[Key::USER_MSG] = array(); + $_SESSION[Key::USER_MSG][] = ['level' => $level, 'message' => $message]; } /** @@ -38,49 +38,75 @@ function add_info(string $message): void { add_message('INFO', $message); } +/** @var bool $is_htmx True if this request was initiated by htmx, false if not */ +$is_htmx = array_key_exists('HTTP_HX_REQUEST', $_SERVER) + && !array_key_exists('HTTP_HX_HISTORY_RESTORE_REQUEST', $_SERVER); + /** * Render the page title * @param string $title The title of the page being displayed */ function page_head(string $title): void { + global $is_htmx; $version = match (true) { str_ends_with(FRC_VERSION, '.0.0') => substr(FRC_VERSION, 0, strlen(FRC_VERSION) - 4), str_ends_with(FRC_VERSION, '.0') => substr(FRC_VERSION, 0, strlen(FRC_VERSION) - 2), default => FRC_VERSION - } ?> + }; + //if ($is_htmx) header('HX-Push-Url: true'); + ?> - - <?=$title?> | Feed Reader Central - + <?=$title?> | Feed Reader Central + + - -
- -
Add Feed | Docs | Log Off'; - if ($_SESSION[Key::USER_EMAIL] != Security::SINGLE_USER_EMAIL) echo " | {$_SESSION[Key::USER_EMAIL]}"; - } else { - echo 'Log On | Docs'; - } ?> -
-
-
-
- {$msg['level']}
"?> - -
+
+ +
+ Add Feed | + Docs | + Log Off + | + Log On | Docs +
+
+
0) { ?> +
+
+ {$msg['level']}
"?> + +
+
'; + global $is_htmx; ?> +
+ + +