140 lines
4.3 KiB
PHP
Executable File
140 lines
4.3 KiB
PHP
Executable File
#!/usr/bin/php
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<?php
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require $_composer_autoload_path?? __DIR__.'/../vendor/autoload.php';
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use nur\b\io\CacheFile;
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use nur\cli\Application;
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use nur\msg;
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use nur\path;
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use nur\sery\db\Capacitor;
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use nur\sery\db\CapacitorChannel;
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use nur\sery\db\sqlite\SqliteStorage;
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use nur\sery\file\Stream;
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use nur\yaml;
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Application::run(new class extends Application {
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const ACTION_QUERY = 0, ACTION_SQL = 1;
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const ARGS = [
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"merge" => parent::ARGS,
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"purpose" => "gestion d'un capacitor sqlite",
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"usage" => [
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"-f DBFILE -n CHANNEL [--query] key=value...",
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"-f DBFILE -n CHANNEL --sql-create",
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],
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["-f", "--dbfile", "args" => 1,
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"help" => "chemin vers la base de données",
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],
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["-n", "--name", "args" => 1,
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"help" => "nom du canal de données. table-name et channel-class sont chargés depuis la base de données",
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],
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["-t", "--table-name", "args" => 1,
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"help" => "nom de la table porteuse du canal de données",
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],
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["-c", "--channel-class", "args" => 1,
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"help" => "nom de la classe dérivée de CapacitorChannel",
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],
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["--query", "name" => "action", "value" => self::ACTION_QUERY,
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"help" => "lister les lignes correspondant aux valeurs spécifiées. c'est l'action par défaut",
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],
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["-s", "--sql-create", "name" => "action", "value" => self::ACTION_SQL,
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"help" => "afficher la requête pour créer la table",
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],
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];
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protected ?string $dbfile = null;
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protected ?string $name = null;
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protected ?string $tableName = null;
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protected ?string $channelClass = null;
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protected int $action = self::ACTION_QUERY;
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protected ?array $args = null;
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protected static function isa_cond(string $arg, ?array &$ms=null): bool {
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return preg_match('/^(.+?)\s*(=|<>|<|>|<=|>=|(?:is\s+)?null|(?:is\s+)?not\s+null)\s*(.*)$/', $arg, $ms);
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}
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function main() {
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$dbfile = $this->dbfile;
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if ($dbfile === null) self::die("Vous devez spécifier la base de données");
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if (!file_exists($dbfile)) self::die("$dbfile: fichier introuvable");
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$storage = new SqliteStorage($dbfile);
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$name = $this->name;
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$channelClass = $this->channelClass;
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$tableName = $this->tableName;
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if ($name !== null) {
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$row = $storage->db()->one([
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"select from _channels",
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"where" => ["name" => $name],
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]);
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if ($row === null) self::die("$name: nom de canal de données introuvable");
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if ($row["class"] !== "class@anonymous") $channelClass = $row["class"];
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else $tableName = $row["table_name"];
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}
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if ($channelClass !== null) {
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$channelClass = str_replace("/", "\\", $channelClass);
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$channel = new $channelClass;
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} elseif ($tableName !== null) {
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$channel = new class($tableName) extends CapacitorChannel {
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function __construct(?string $name=null) {
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parent::__construct($name);
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$this->tableName = $name;
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}
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};
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} else {
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self::die("Vous devez spécifier le canal de données");
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}
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$capacitor = new Capacitor($storage, $channel);
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switch ($this->action) {
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case self::ACTION_QUERY:
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$args = $this->args;
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if (!$args) {
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# lister les id
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$out = new Stream(STDOUT);
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$primaryKeys = $storage->getPrimaryKeys($channel);
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$rows = $storage->db()->all([
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"select",
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"cols" => $primaryKeys,
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"from" => $channel->getTableName(),
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]);
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$out->fputcsv($primaryKeys);
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foreach ($rows as $row) {
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$rowIds = $storage->getRowIds($channel, $row);
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$out->fputcsv($rowIds);
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}
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} else {
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# afficher les lignes correspondantes
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if (count($args) == 1 && !self::isa_cond($args[0])) {
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$filter = $args[0];
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} else {
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$filter = [];
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$ms = null;
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foreach ($args as $arg) {
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if (self::isa_cond($arg, $ms)) {
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$filter[$ms[1]] = [$ms[2], $ms[3]];
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} else {
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$filter[$arg] = ["not null"];
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}
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}
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}
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$first = true;
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$capacitor->each($filter, function ($item, $row) use (&$first) {
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if ($first) $first = false;
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else echo "---\n";
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yaml::dump($row);
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});
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}
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break;
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case self::ACTION_SQL:
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echo $capacitor->getCreateSql()."\n";
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break;
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}
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}
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});
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