Removed help_load/save and made model.

src/classes/database/help_load.php

@@ -1,30 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace tts\database;
-
-class help_load {
-    
-    public static function empty_generator(): \Generator {
-        yield from [];
-    }
-
-    /**
-     * Please use this fetch_lazy instead of fetch_all!!!
-     * To AVOID running out of Memory!!!!!!!!!!!!!!!!!!!!
-     * @param \PDOStatement $stmt
-     * @return \Generator
-     */
-    public static function pdo_fetch_lazy(\PDOStatement $stmt): \Generator {
-        foreach($stmt as $record) {
-            yield $record;
-        }
-    }
-    
-    public static function is_valid(array $data): bool {
-        $error_count = (isset($data['errors'])) ? count($data['errors']) : 0;
-        return ($error_count === 0);
-    }
-    
-}

src/classes/database/model.php

@@ -12,7 +12,7 @@ namespace tts\database;
 
 use \bs_tts\safer_io as SafeIO;
 
-final class help_save {
+class model {
     
     use \tts\traits\database\run_sql;
     use \tts\traits\database\validation;
@@ -23,20 +23,13 @@ final class help_save {
     const pre_save_failed = 4;
     const post_save_failed = 5;
 
-    private $table;
     private $members = [];
     private $validation_members = [];
     private $missing = [];
     private $error_message;
-    private $pdo;
     private $primary_key = 'id';
     private $db_skiped = [];
 
-    public function __construct($pdo, $table) {
-        $this->pdo = $pdo;
-        $this->table = $table;
-    }
-
     public function saved(bool $worked = true): bool {
         if (headers_sent()) {
             return false;
@@ -149,8 +142,6 @@ final class help_save {
         return $this->missing;
     }
 
-    /* From old Model code: */
-
     public function get_member(string $member) {
         return $this->members[$member] ?? null;
     }
@@ -208,6 +199,51 @@ final class help_save {
         return $bind;
     }
     
+    public static function empty_generator(): \Generator {
+        yield from [];
+    }
+
+    /**
+     * Please use this fetch_lazy instead of fetch_all!!!
+     * To AVOID running out of Memory!!!!!!!!!!!!!!!!!!!!
+     * @param \PDOStatement $stmt
+     * @return \Generator
+     */
+    public static function pdo_fetch_lazy(\PDOStatement $stmt): \Generator {
+        foreach($stmt as $record) {
+            yield $record;
+        }
+    }
+    
+    public static function is_valid(array $data): bool {
+        $error_count = (isset($data['errors'])) ? count($data['errors']) : 0;
+        return ($error_count === 0);
+    }
+
+    
+    public function load(int $id): bool{
+        if (method_exists($this, 'pre_load')) {
+            $this->pre_load();
+        }
+
+        $sql = "SELECT * FROM {$this->table} WHERE {$this->primaryKey} = ?";
+        $query = $this->pdo->prepare($sql);
+        $query->execute(array($id));
+        if ($query === false) {
+            return false;
+        }
+        $data = $query->fetch(\PDO::FETCH_ASSOC);
+        if ($data === false) {
+            return false;
+        }        
+        $this->members = array_merge($this->members, $data);
+
+        if (method_exists($this, 'post_load')) {
+            $this->post_load();
+        }
+        return true;
+    }
+    
     public function insert($table, $info) {
         $fields = $this->filter($table, $info);
         
@@ -269,10 +305,9 @@ final class help_save {
      * Insert if primary key not set
      * Update if primary key set
      */
-    public function save(object $local_model=null, bool $validate = true): int {
-
-        if (method_exists($local_model, 'pre_save')) {
-            $pre_was_successfull = $local_model->pre_save();
+    public function save(bool $validate = true): int {
+        if (method_exists($this, 'pre_save')) {
+            $pre_was_successfull = $this->pre_save();
             if (! $pre_was_successfull) {
                 return self::pre_save_failed;
             }
@@ -289,8 +324,8 @@ final class help_save {
         }
 
         if (empty($this->members[$this->primary_key])) {
-            if (method_exists($local_model, 'duplicate_check')) {
-                $dup = $local_model->duplicate_check();
+            if (method_exists($this, 'duplicate_check')) {
+                $dup = $this->duplicate_check();
                 if ($dup) {
                     return self::duplicate_found;
                 }
@@ -308,8 +343,8 @@ final class help_save {
             ));
         }
 
-        if (method_exists($local_model, 'post_save')) {
-            $post_save_successfull = $local_model->post_save();
+        if (method_exists($this, 'post_save')) {
+            $post_save_successfull = $this->post_save();
             if (! $post_save_successfull) {
                 return self::post_save_failed;
             }