From 55ea8cdc81e450166db99098d5eefaa70c4b1858 Mon Sep 17 00:00:00 2001
From: Jephte Clain <Jephte.Clain@univ-reunion.fr>
Date: Tue, 28 May 2024 09:36:53 +0400
Subject: [PATCH] modifs.mineures sans commentaires

---
 src/db/sqlite/Sqlite.php        | 30 ++++++++----
 src/db/sqlite/SqliteStorage.php |  6 +--
 src/wip/db/pdo/Pdo.php          | 81 +++++++++++++++++++++++++++++++++
 src/wip/db/pdo/_config.php      | 36 +++++++++++++++
 4 files changed, 140 insertions(+), 13 deletions(-)
 create mode 100644 src/wip/db/pdo/Pdo.php
 create mode 100644 src/wip/db/pdo/_config.php

diff --git a/src/db/sqlite/Sqlite.php b/src/db/sqlite/Sqlite.php
index 4c3cbc5..20ab230 100644
--- a/src/db/sqlite/Sqlite.php
+++ b/src/db/sqlite/Sqlite.php
@@ -50,7 +50,7 @@ class Sqlite {
 
   const MIGRATE = null;
 
-  const SCHEMA = [
+  const params_SCHEMA = [
     "file" => ["string", ""],
     "flags" => ["int", SQLITE3_OPEN_READWRITE + SQLITE3_OPEN_CREATE],
     "encryption_key" => ["string", ""],
@@ -63,14 +63,14 @@ class Sqlite {
   function __construct(?string $file=null, ?array $params=null) {
     if ($file !== null) $params["file"] = $file;
     ##schéma
-    $defaultFile = self::SCHEMA["file"][1];
+    $defaultFile = self::params_SCHEMA["file"][1];
     $this->file = $file = strval($params["file"] ?? $defaultFile);
     $inMemory = $file === ":memory:";
     #
-    $defaultFlags = self::SCHEMA["flags"][1];
+    $defaultFlags = self::params_SCHEMA["flags"][1];
     $this->flags = intval($params["flags"] ?? $defaultFlags);
     #
-    $defaultEncryptionKey = self::SCHEMA["encryption_key"][1];
+    $defaultEncryptionKey = self::params_SCHEMA["encryption_key"][1];
     $this->encryptionKey = strval($params["encryption_key"] ?? $defaultEncryptionKey);
     #
     $defaultAllowWal = static::ALLOW_WAL ?? !$inMemory;
@@ -80,7 +80,7 @@ class Sqlite {
     # migrations
     $this->migration = $params["migrate"] ?? static::MIGRATE;
     #
-    $defaultAutoOpen = self::SCHEMA["auto_open"][1];
+    $defaultAutoOpen = self::params_SCHEMA["auto_open"][1];
     if ($params["auto_open"] ?? $defaultAutoOpen) {
       $this->open();
     }
@@ -201,10 +201,16 @@ class Sqlite {
     return $this->get($query, $params, true);
   }
 
-  protected function _fetchResult(SQLite3Result $result, ?SQLite3Stmt $stmt=null): Generator {
+  protected function _fetchResult(SQLite3Result $result, ?SQLite3Stmt $stmt=null, $primaryKeys=null): Generator {
+    if ($primaryKeys !== null) $primaryKeys = cl::with($primaryKeys);
     try {
       while (($row = $result->fetchArray(SQLITE3_ASSOC)) !== false) {
-        yield $row;
+        if ($primaryKeys !== null) {
+          $key = implode("-", cl::select($row, $primaryKeys));
+          yield $key => $row;
+        } else {
+          yield $row;
+        }
       }
     } finally {
       $result->finalize();
@@ -212,15 +218,19 @@ class Sqlite {
     }
   }
 
-  function all($query, ?array $params=null): iterable {
+  /**
+   * si $primaryKeys est fourni, le résultat est indexé sur la(es) colonne(s)
+   * spécifiée(s)
+   */
+  function all($query, ?array $params=null, $primaryKeys=null): iterable {
     $db = $this->db();
     $query = new _query($query, $params);
     if ($query->useStmt($db, $stmt, $sql)) {
       $result = $this->checkResult($stmt->execute());
-      return $this->_fetchResult($result, $stmt);
+      return $this->_fetchResult($result, $stmt, $primaryKeys);
     } else {
       $result = $this->checkResult($db->query($sql));
-      return $this->_fetchResult($result);
+      return $this->_fetchResult($result, null, $primaryKeys);
     }
   }
 }
diff --git a/src/db/sqlite/SqliteStorage.php b/src/db/sqlite/SqliteStorage.php
index 648d699..1049001 100644
--- a/src/db/sqlite/SqliteStorage.php
+++ b/src/db/sqlite/SqliteStorage.php
@@ -250,9 +250,9 @@ class SqliteStorage extends CapacitorStorage {
       "select",
       "from" => $channel->getTableName(),
       "where" => $filter,
-    ]);
-    foreach ($rows as $row) {
-      yield $this->unserialize($channel, $row);
+    ], null, "id_");
+    foreach ($rows as $key => $row) {
+      yield $key => $this->unserialize($channel, $row);
     }
   }
 
diff --git a/src/wip/db/pdo/Pdo.php b/src/wip/db/pdo/Pdo.php
new file mode 100644
index 0000000..d122841
--- /dev/null
+++ b/src/wip/db/pdo/Pdo.php
@@ -0,0 +1,81 @@
+<?php
+namespace nur\sery\wip\db\pdo;
+
+use nur\sery\cl;
+
+class Pdo {
+  static function config_errmodeException_lowerCase(self $pdo) {
+    $pdo->db->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);
+    $pdo->db->setAttribute(\PDO::ATTR_CASE, \PDO::CASE_LOWER);
+  }
+
+  const OPTIONS = [
+    \PDO::ATTR_PERSISTENT => true,
+  ];
+
+  const CONFIG = [
+    [self::class, "config_errmodeException_lowerCase"],
+  ];
+
+  const MIGRATE = null;
+
+  const dbconn_SCHEMA = [
+    "name" => "string",
+    "user" => "?string",
+    "pass" => "?string",
+  ];
+
+  const params_SCHEMA = [
+    "options" => ["?array"],
+    "config" => ["?array|callable"],
+    "migrate" => ["?array|string|callable"],
+    "auto_open" => ["bool", true],
+  ];
+
+  function __construct($dbconn, ?array $params=null) {
+    if (!is_array($dbconn)) $dbconn = ["name" => $dbconn];
+    $this->dbname = $dbconn["name"];
+    $this->dbuser = $dbconn["user"] ?? null;
+    $this->dbpass = $dbconn["pass"] ?? null;
+    # options
+    $this->options = cl::with($params["options"] ?? static::OPTIONS);
+    # configuration
+    $this->config = $params["config"] ?? static::CONFIG;
+    # migrations
+    $this->migration = $params["migrate"] ?? static::MIGRATE;
+    #
+    $defaultAutoOpen = self::params_SCHEMA["auto_open"][1];
+    if ($params["auto_open"] ?? $defaultAutoOpen) {
+      $this->open();
+    }
+  }
+
+  protected ?string $dbconn;
+
+  protected ?string $dbuser;
+
+  protected ?string $dbpass;
+
+  protected array $options;
+
+  /** @var array|string|callable */
+  protected $config;
+
+  /** @var array|string|callable */
+  protected $migration;
+
+  protected ?\PDO $db;
+
+  function open(): self {
+    if ($this->db === null) {
+      $this->db = new \PDO($this->dbname, $this->dbuser, $this->dbpass, $this->options);
+      _config::with($this->config)->configure($this);
+      _migration::with($this->migration)->migrate($this);
+    }
+    return $this;
+  }
+
+  function close(): void {
+    $this->db = null;
+  }
+}
diff --git a/src/wip/db/pdo/_config.php b/src/wip/db/pdo/_config.php
new file mode 100644
index 0000000..3a92fb4
--- /dev/null
+++ b/src/wip/db/pdo/_config.php
@@ -0,0 +1,36 @@
+<?php
+namespace nur\sery\wip\db\pdo;
+
+use nur\sery\php\func;
+
+class _config {
+  static function with($configs): self {
+    if ($configs instanceof static) return $configs;
+    return new static($configs);
+  }
+
+  const CONFIG = null;
+
+  function __construct($configs) {
+    if ($configs === null) $configs = static::CONFIG;
+    if ($configs === null) $configs = [];
+    elseif (is_string($configs)) $configs = [$configs];
+    elseif (is_callable($configs)) $configs = [$configs];
+    elseif (!is_array($configs)) $configs = [strval($configs)];
+    $this->configs = $configs;
+  }
+
+  /** @var array */
+  protected $configs;
+
+  function configure(Pdo $pdo): void {
+    foreach ($this->configs as $key => $config) {
+      if (is_string($config) && !func::is_method($config)) {
+        $pdo->exec($config);
+      } else {
+        func::ensure_func($config, $this, $args);
+        func::call($config, $pdo, $key, ...$args);
+      }
+    }
+  }
+}