first commit

admin/artsections.php

@@ -0,0 +1,135 @@
+<?php
+
+class Artsections extends Window
+{
+    protected $tableName = 'articles_branches';
+    protected $show_on_web = 'articlesSection';
+
+    public function __construct()
+    {
+        $this->defaults = ['date' => date('Y-m-d H:i'),
+            'behaviour' => '1',
+            'orderby' => 'date',
+            'orderdir' => 'ASC',
+            'top_branch' => null,
+        ];
+    }
+
+    public function get_vars()
+    {
+        $vars = parent::get_vars();
+        $pageVars = getVal('body', $vars);
+
+        $acn = $this->getAction();
+        $ID = $this->getID();
+        $pageVars['tree'] = $this->articlesSections(null, 0, $ID);
+
+        if ($acn == 'remove') {
+            $SQL = sqlQuery('SELECT * FROM '.getTableName('articles_branches')." WHERE id='{$ID}' ");
+            foreach ($SQL as $row) {
+                $pageVars['data'] = $row;
+            }
+            $pageVars['acn'] = 'erase';
+        }
+
+        $vars['body'] = $pageVars;
+
+        return $vars;
+    }
+
+    public function getData()
+    {
+        $data = parent::getData();
+        if (isset($data['template'])) {
+            $data['template'] = !preg_match('/^[a-zA-Z0-9_\-.]+$/', $data['template']) ? null : $data['template'];
+        }
+        if (isset($data['items_per_page'])) {
+            $data['items_per_page'] = empty($data['items_per_page']) || !is_numeric($data['items_per_page']) ? null : (int) $data['items_per_page'];
+        }
+        if (empty($data['top_branch'])) {
+            $data['top_branch'] = null;
+        }
+
+        return $data;
+    }
+
+    public function handleUpdate()
+    {
+        clearCache('article-sections-', true);
+
+        $newBranchId = $_POST['data']['top_branch'] ?? null;
+        $childrenIds = $this->getDescendantCategories($this->getID());
+
+        if (in_array($newBranchId, $childrenIds)) {
+            $this->returnError('Nelze zvolit jako nadřazenou sekci některou z podsekcí!');
+        }
+
+        return parent::handleUpdate();
+    }
+
+    public function getDescendantCategories($topBranch): array
+    {
+        return sqlFetchAll(sqlQuery(
+            'WITH RECURSIVE cte (level, id) AS (
+          SELECT 0, SR1.top_branch
+          FROM articles_branches SR1
+          WHERE SR1.top_branch = :top_branch
+          UNION ALL
+          SELECT cte.level + 1, SR2.id
+          FROM articles_branches SR2
+                   INNER JOIN cte ON (cte.id = SR2.top_branch)
+          WHERE cte.level < 50
+      )
+      SELECT id
+      FROM cte ORDER BY level', ['top_branch' => $topBranch]), ['id' => 'id']);
+    }
+
+    public function handleDelete()
+    {
+        clearCache('article-sections-', true);
+
+        $IDsec = $this->getID();
+        $IDsecSel = getVal('IDsecSel');
+        if ($IDsecSel > 0) {
+            @sqlQuery('UPDATE '.getTableName('articles_relation')."
+					SET id_branch='".$IDsecSel."'
+					WHERE id_branch='".$IDsec."' ");
+        } elseif ($IDsecSel == 0) {
+            @sqlQuery('DELETE
+					FROM '.getTableName('articles_relation')."
+					WHERE id_branch='".$IDsec."' ");
+        }
+
+        $SQL = @sqlQuery('DELETE
+					FROM '.getTableName('articles_branches')."
+					WHERE id='".$IDsec."' ");
+        writeDownActivity(sprintf(translate('activityDeleted'), $IDsec));
+        redirect('launch.php?s=artsections.php&acn=erased&ErrStr='.urlencode(translate('note_5')));
+    }
+
+    public function articlesSections($topCat, $Pos = 0, $ignored = null)
+    {
+        $SQL = sqlQueryBuilder()
+            ->select('ab.id, ab.name, ab.descr, ab.figure')
+            ->from('articles_branches', 'ab')
+            ->where(\Query\Operator::equalsNullable(['ab.top_branch' => $topCat]))
+            ->orderBy('ab.name', 'ASC')
+            ->execute();
+
+        $data = [];
+        foreach ($SQL as $key => $row) {
+            if ($ignored == null || $ignored != $row['id']) {
+                $data[$key]['id'] = $row['id'];
+                $data[$key]['title'] = $row['name'];
+                $data[$key]['figure'] = $row['figure'];
+                $data[$key]['level'] = $Pos;
+                $data[$key]['submenu'] = $this->articlesSections($row['id'], $Pos + 1, $ignored = null);
+            }
+        }
+
+        return $data;
+    }
+}
+
+$artsections = new Artsections();
+$artsections->run();