shimmie2/ext/log_db/main.php

<?php

use function MicroHTML\{A,SPAN,emptyHTML,INPUT,BR,SELECT,OPTION};
use MicroCRUD\Column;
use MicroCRUD\DateTimeColumn;
use MicroCRUD\TextColumn;
use MicroCRUD\Table;


class ShortDateTimeColumn extends DateTimeColumn {
    public function read_input(array $inputs)
    {
        return emptyHTML(
            INPUT([
                "type"=>"date",
                "name"=>"r_{$this->name}[]",
                "value"=>@$inputs["r_{$this->name}"][0]
            ]),
            BR(),
            INPUT([
                "type"=>"date",
                "name"=>"r_{$this->name}[]",
                "value"=>@$inputs["r_{$this->name}"][1]
            ])
        );
    }

}

class ActorColumn extends Column {
    public function __construct($name, $title)
    {
        parent::__construct($name, $title, "((username=:$name) OR (address=:$name))");
    }

    public function display($row)
    {
		$ret = emptyHTML();
        if ($row['username'] != "Anonymous") {
            $ret->appendChild(A(["href"=>make_link("user/{$row['username']}"), "title"=>$row['address']], $row['username']));
			$ret->appendChild(BR());
        }
		$ret->appendChild($row['address']);
        return $ret;
    }
}

class MessageColumn extends Column {
    public function __construct($name, $title)
    {
        parent::__construct(
            $name,
            $title,
            "($name LIKE :{$name}_0 AND priority >= :{$name}_1)"
        );
        $this->input_mod = function ($var) {
            list($m, $l) = $var;
            if (empty($m)) {
                $m = "%";
            }
			else {
				$m = "%$m%";
			}
            if (empty($l)) {
                $l = 0;
            }
            return [$m, $l];
        };
    }

    public function read_input($inputs)
    {
        $ret = emptyHTML(
			INPUT([
				"type"=>"text",
				"name"=>"r_{$this->name}[]",
				"placeholder"=>$this->title,
				"value"=>@$inputs["r_{$this->name}"][0]
			])
		);

		$options = [
			"Debug" => SCORE_LOG_DEBUG,
			"Info" => SCORE_LOG_INFO,
			"Warning" => SCORE_LOG_WARNING,
			"Error" => SCORE_LOG_ERROR,
			"Critical" => SCORE_LOG_CRITICAL,
		];
        $s = SELECT(["name"=>"r_{$this->name}[]"]);
        $s->appendChild(OPTION(["value"=>""], '-'));
        foreach ($options as $k => $v) {
            $attrs = ["value"=>$v];
            if ($v == @$inputs["r_{$this->name}"][1]) {
                $attrs["selected"] = true;
            }
            $s->appendChild(OPTION($attrs, $k));
        }
		$ret->appendChild($s);
        return $ret;
    }

    public function display($row)
    {
        $c = "#000";
        switch ($row['priority']) {
            case SCORE_LOG_DEBUG: $c = "#999"; break;
            case SCORE_LOG_INFO: $c = "#000"; break;
            case SCORE_LOG_WARNING: $c = "#800"; break;
            case SCORE_LOG_ERROR: $c = "#C00"; break;
            case SCORE_LOG_CRITICAL: $c = "#F00"; break;
        }
        return SPAN(["style"=>"color: $c"], $this->scan_entities($row[$this->name]));
    }

    protected function scan_entities($line)
    {
        return preg_replace_callback("/Image #(\d+)/s", [$this, "link_image"], $line);
    }

    protected function link_image($id)
    {
        $iid = int_escape($id[1]);
        return "<a href='".make_link("post/view/$iid")."'>Image #$iid</a>";
    }
}

class LogTable extends Table
{
    public function __construct(\FFSPHP\PDO $db)
    {
        parent::__construct($db);
        $this->table = "score_log";
        $this->base_query = "SELECT * FROM score_log";
        $this->size = 100;
        $this->limit = 1000000;
        $this->columns = [
            new ShortDateTimeColumn("date_sent", "Time"),
            new TextColumn("section", "Module"),
            new ActorColumn("username_or_address", "User"),
            new MessageColumn("message", "Message")
        ];
        $this->order_by = ["date_sent DESC"];
        $this->table_attrs = ["class" => "zebra"];
    }
}

class LogDatabase extends Extension
{
    public function onInitExt(InitExtEvent $event)
    {
        global $config;
        $config->set_default_int("log_db_priority", SCORE_LOG_INFO);
    }

    public function onDatabaseUpgrade(DatabaseUpgradeEvent $event)
    {
        global $config, $database;

        if ($this->get_version("ext_log_database_version") < 1) {
            $database->create_table("score_log", "
				id SCORE_AIPK,
				date_sent TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
				section VARCHAR(32) NOT NULL,
				username VARCHAR(32) NOT NULL,
				address SCORE_INET NOT NULL,
				priority INT NOT NULL,
				message TEXT NOT NULL
			");
            //INDEX(section)
            $this->set_version("ext_log_database_version", 1);
        }
    }

    public function onSetupBuilding(SetupBuildingEvent $event)
    {
        $sb = new SetupBlock("Logging (Database)");
        $sb->add_choice_option("log_db_priority", [
            "Debug" => SCORE_LOG_DEBUG,
            "Info" => SCORE_LOG_INFO,
            "Warning" => SCORE_LOG_WARNING,
            "Error" => SCORE_LOG_ERROR,
            "Critical" => SCORE_LOG_CRITICAL,
        ], "Debug Level: ");
        $event->panel->add_block($sb);
    }

    public function onPageRequest(PageRequestEvent $event)
    {
        global $cache, $database, $user;
        if ($event->page_matches("log/view")) {
            if ($user->can(Permissions::VIEW_EVENTLOG)) {
				$t = new LogTable($database->raw_db());
				$t->inputs = $_GET;
                $this->theme->display_events($t->table($t->query()), $t->paginator());
            }
        }
    }

    public function onPageSubNavBuilding(PageSubNavBuildingEvent $event)
    {
        global $user;
        if ($event->parent==="system") {
            if ($user->can(Permissions::VIEW_EVENTLOG)) {
                $event->add_nav_link("event_log", new Link('log/view'), "Event Log");
            }
        }
    }

    public function onUserBlockBuilding(UserBlockBuildingEvent $event)
    {
        global $user;
        if ($user->can(Permissions::VIEW_EVENTLOG)) {
            $event->add_link("Event Log", make_link("log/view"));
        }
    }

    public function onLog(LogEvent $event)
    {
        global $config, $database, $user;

        $username = ($user && $user->name) ? $user->name : "null";

        // not installed yet...
        if ($this->get_version("ext_log_database_version") < 1) {
            return;
        }

        if ($event->priority >= $config->get_int("log_db_priority")) {
            $database->execute("
				INSERT INTO score_log(date_sent, section, priority, username, address, message)
				VALUES(now(), :section, :priority, :username, :address, :message)
			", [
                "section"=>$event->section, "priority"=>$event->priority, "username"=>$username,
                "address"=>$_SERVER['REMOTE_ADDR'], "message"=>$event->message
            ]);
        }
    }
}