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add experimental key/value storage for plugins

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This commit is contained in:
Andrew Dolgov 2012-12-27 16:55:25 +04:00
parent 0f28f81f89
commit d8a1d2a25b
3 changed files with 99 additions and 5 deletions
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86
classes/pluginhost.php
View file

@ -1,10 +1,17 @@
<?php
/* create table ttrss_plugin_storage
(id serial not null primary key, name varchar(100) not null,
owner_uid integer not null references ttrss_users(id) ON DELETE CASCADE,
content text not null) - not in schema yet
*/
class PluginHost {
private $link;
private $hooks = array();
private $plugins = array();
private $handlers = array();
private $commands = array();
private $storage = array();
private $owner_uid;
const HOOK_ARTICLE_BUTTON = 1;
const HOOK_ARTICLE_FILTER = 2;
@ -21,6 +28,10 @@ class PluginHost {
function __construct($link) {
$this->link = $link;
$this->storage = $_SESSION["plugin_storage"];
if (!$this->storage) $this->storage = array();
}
private function register_plugin($name, $plugin) {
@ -75,9 +86,11 @@ class PluginHost {
$this->load(join(",", $plugins), $kind);
}
function load($classlist, $kind) {
function load($classlist, $kind, $owner_uid = false) {
$plugins = explode(",", $classlist);
$this->owner_uid = (int) $owner_uid;
foreach ($plugins as $class) {
$class = trim($class);
$class_file = strtolower(basename($class));
@ -194,5 +207,76 @@ class PluginHost {
}
}
function load_data($force = false) {
if ($this->owner_uid && (!$_SESSION["plugin_storage"] || $force)) {
$plugin = db_escape_string($plugin);
$result = db_query($this->link, "SELECT name, content FROM ttrss_plugin_storage
WHERE owner_uid = '".$this->owner_uid."'");
while ($line = db_fetch_assoc($result)) {
$this->storage[$line["name"]] = unserialize($line["content"]);
}
$_SESSION["plugin_storage"] = $this->storage;
}
}
private function save_data($plugin) {
if ($this->owner_uid) {
$plugin = db_escape_string($plugin);
db_query($this->link, "BEGIN");
$result = db_query($this->link,"SELECT id FROM ttrss_plugin_storage WHERE
owner_uid= '".$this->owner_uid."' AND name = '$plugin'");
if (!isset($this->storage[$plugin]))
$this->storage[$plugin] = array();
$content = db_escape_string(serialize($this->storage[$plugin]));
if (db_num_rows($result) != 0) {
db_query($this->link, "UPDATE ttrss_plugin_storage SET content = '$content'
WHERE owner_uid= '".$this->owner_uid."' AND name = '$plugin'");
} else {
db_query($this->link, "INSERT INTO ttrss_plugin_storage
(name,owner_uid,content) VALUES
('$plugin','".$this->owner_uid."','$content')");
}
db_query($this->link, "COMMIT");
}
}
function set($sender, $name, $value, $sync = true) {
$idx = get_class($sender);
if (!isset($this->storage[$idx]))
$this->storage[$idx] = array();
$this->storage[$idx][$name] = $value;
$_SESSION["plugin_storage"] = $this->storage;
if ($sync) $this->save_data(get_class($sender));
}
function get($sender, $name, $default_value) {
$idx = get_class($sender);
if (isset($this->storage[$idx][$name])) {
return $this->storage[$idx][$name];
} else {
return $default_value;
}
}
function get_all($sender) {
$idx = get_class($sender);
return $this->storage[$idx];
}
}
?>

3
include/functions.php
View file

@ -727,7 +727,8 @@
$plugins = get_pref($link, "_ENABLED_PLUGINS", $owner_uid);
global $pluginhost;
$pluginhost->load($plugins, $pluginhost::KIND_USER);
$pluginhost->load($plugins, $pluginhost::KIND_USER, $owner_uid);
$pluginhost->load_data();
}
}

15
plugins/example/example.php
View file

@ -23,7 +23,9 @@ class Example extends Plugin {
function save() {
$example_value = db_escape_string($_POST["example_value"]);
echo "Value set to $example_value (not really)";
$this->host->set($this, "example", $example_value);
echo "Value set to $example_value";
}
function get_prefs_js() {
@ -35,6 +37,13 @@ class Example extends Plugin {
print "<div dojoType=\"dijit.layout.AccordionPane\" title=\"".__("Example Pane")."\">";
print "<br/>";
// print_r($this->host->set($this, "example", rand(0,100)));
// print_r($this->host->get_all($this));
$value = $this->host->get($this, "example");
print "<form dojoType=\"dijit.form.Form\">";
print "<script type=\"dojo/method\" event=\"onSubmit\" args=\"evt\">
@ -47,7 +56,7 @@ class Example extends Plugin {
notify_info(transport.responseText);
}
});
this.reset();
//this.reset();
}
</script>";
@ -58,7 +67,7 @@ class Example extends Plugin {
print "<table width=\"100%\" class=\"prefPrefsList\">";
print "<tr><td width=\"40%\">".__("Sample value")."</td>";
print "<td class=\"prefValue\"><input dojoType=\"dijit.form.ValidationTextBox\" required=\"1\" name=\"example_value\"></td></tr>";
print "<td class=\"prefValue\"><input dojoType=\"dijit.form.ValidationTextBox\" required=\"1\" name=\"example_value\" value=\"$value\"></td></tr>";
print "</table>";