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XOOPS 2.7 Docs

Budowa modułu CRUD

Samouczek budowy modułu CRUD

Dział zatytułowany „Samouczek budowy modułu CRUD”

Ten samouczek prowadzi cię przez tworzenie kompletnego modułu CRUD (Create, Read, Update, Delete) dla XOOPS. Utworzymy moduł “Notatki”, który umożliwia użytkownikom zarządzanie osobistymi notatkami.

Wymagania wstępne

Dział zatytułowany „Wymagania wstępne”
  • Ukończony samouczek Hello-World-Module
  • Zrozumienie koncepcji PHP OOP
  • Podstawowa wiedza SQL

Przegląd modułu

Dział zatytułowany „Przegląd modułu”

Funkcje modułu notatek:

  • Tworzenie, przeglądanie, edycja i usuwanie notatek
  • Interfejs zarządzania administracyjnego
  • Notatki specyficzne dla użytkownika
  • Organizacja kategorii
  • Funkcjonalność wyszukiwania

Krok 1: Struktura katalogów

Dział zatytułowany „Krok 1: Struktura katalogów”

Utwórz następującą strukturę w /modules/notes/:

/modules/notes/
    /admin/
        admin_header.php
        admin_footer.php
        index.php
        menu.php
        notes.php
        categories.php
    /assets/
        /css/
            style.css
        /images/
            logo.png
    /class/
        Note.php
        NoteHandler.php
        Category.php
        CategoryHandler.php
        Common/
            Breadcrumb.php
    /include/
        common.php
        install.php
        uninstall.php
        update.php
    /language/
        /english/
            admin.php
            main.php
            modinfo.php
    /sql/
        mysql.sql
    /templates/
        /admin/
            notes_admin_index.tpl
            notes_admin_notes.tpl
            notes_admin_categories.tpl
        notes_index.tpl
        notes_view.tpl
        notes_edit.tpl
        notes_list.tpl
    index.php
    view.php
    edit.php
    xoops_version.php

Krok 2: Schemat bazy danych

Dział zatytułowany „Krok 2: Schemat bazy danych”

Utwórz sql/mysql.sql:

-- Schemat bazy danych modułu notatek


-- Tabela kategorii
CREATE TABLE `notes_categories` (
    `catid` INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,
    `name` VARCHAR(255) NOT NULL,
    `description` TEXT,
    `weight` INT(5) NOT NULL DEFAULT 0,
    `created` INT(10) UNSIGNED NOT NULL DEFAULT 0,
    PRIMARY KEY (`catid`),
    KEY `idx_weight` (`weight`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;


-- Tabela notatek
CREATE TABLE `notes_notes` (
    `noteid` INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,
    `catid` INT(11) UNSIGNED NOT NULL DEFAULT 0,
    `uid` INT(11) UNSIGNED NOT NULL DEFAULT 0,
    `title` VARCHAR(255) NOT NULL,
    `content` TEXT NOT NULL,
    `status` TINYINT(1) NOT NULL DEFAULT 1,
    `created` INT(10) UNSIGNED NOT NULL DEFAULT 0,
    `updated` INT(10) UNSIGNED NOT NULL DEFAULT 0,
    PRIMARY KEY (`noteid`),
    KEY `idx_catid` (`catid`),
    KEY `idx_uid` (`uid`),
    KEY `idx_status` (`status`),
    KEY `idx_created` (`created`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

Krok 3: Definicja modułu

Dział zatytułowany „Krok 3: Definicja modułu”

Utwórz xoops_version.php:

<?php
/**
 * Notes Module - Definicja modułu
 */


if (!defined('XOOPS_ROOT_PATH')) {
    die('XOOPS root path not defined');
}


$modversion = [];


// Podstawowe informacje
$modversion['name']        = _MI_NOTES_NAME;
$modversion['version']     = 1.00;
$modversion['description'] = _MI_NOTES_DESC;
$modversion['author']      = 'Your Name';
$modversion['credits']     = 'XOOPS Community';
$modversion['license']     = 'GPL 2.0 or later';
$modversion['image']       = 'assets/images/logo.png';
$modversion['dirname']     = 'notes';


// Wymagania
$modversion['min_php']   = '8.0';
$modversion['min_xoops'] = '2.5.11';


// Admin
$modversion['hasAdmin']    = 1;
$modversion['adminindex']  = 'admin/index.php';
$modversion['adminmenu']   = 'admin/menu.php';
$modversion['system_menu'] = 1;


// Główny
$modversion['hasMain'] = 1;


// Podmenu
$modversion['sub'][] = [
    'name' => _MI_NOTES_MENU_LIST,
    'url'  => 'index.php',
];
$modversion['sub'][] = [
    'name' => _MI_NOTES_MENU_ADD,
    'url'  => 'edit.php',
];


// Baza danych
$modversion['sqlfile']['mysql'] = 'sql/mysql.sql';
$modversion['tables'] = [
    'notes_categories',
    'notes_notes',
];


// Szablony
$modversion['templates'][] = ['file' => 'notes_index.tpl', 'description' => ''];
$modversion['templates'][] = ['file' => 'notes_view.tpl', 'description' => ''];
$modversion['templates'][] = ['file' => 'notes_edit.tpl', 'description' => ''];
$modversion['templates'][] = ['file' => 'notes_list.tpl', 'description' => ''];
$modversion['templates'][] = ['file' => 'admin/notes_admin_index.tpl', 'description' => ''];
$modversion['templates'][] = ['file' => 'admin/notes_admin_notes.tpl', 'description' => ''];
$modversion['templates'][] = ['file' => 'admin/notes_admin_categories.tpl', 'description' => ''];


// Konfiguracja
$modversion['config'][] = [
    'name'        => 'notes_per_page',
    'title'       => '_MI_NOTES_PERPAGE',
    'description' => '_MI_NOTES_PERPAGE_DESC',
    'formtype'    => 'textbox',
    'valuetype'   => 'int',
    'default'     => 10,
];


// Funkcje instalacji/aktualizacji
$modversion['onInstall'] = 'include/install.php';
$modversion['onUpdate']  = 'include/update.php';

Krok 4: Klasy jednostek

Dział zatytułowany „Krok 4: Klasy jednostek”

Jednostka notatki

Dział zatytułowany „Jednostka notatki”

Utwórz class/Note.php:

<?php
/**
 * Note Entity Class
 */


declare(strict_types=1);


namespace XoopsModules\Notes;


use XoopsObject;


class Note extends XoopsObject
{
    /**
     * Constructor
     */
    public function __construct()
    {
        parent::__construct();
        $this->initVar('noteid', XOBJ_DTYPE_INT, null, false);
        $this->initVar('catid', XOBJ_DTYPE_INT, 0, false);
        $this->initVar('uid', XOBJ_DTYPE_INT, 0, true);
        $this->initVar('title', XOBJ_DTYPE_TXTBOX, '', true, 255);
        $this->initVar('content', XOBJ_DTYPE_TXTAREA, '', true);
        $this->initVar('status', XOBJ_DTYPE_INT, 1, false);
        $this->initVar('created', XOBJ_DTYPE_INT, 0, false);
        $this->initVar('updated', XOBJ_DTYPE_INT, 0, false);
    }


    /**
     * Get formatted creation date
     */
    public function getFormattedDate(string $format = 'Y-m-d H:i:s'): string
    {
        $timestamp = (int) $this->getVar('created');
        return date($format, $timestamp);
    }


    /**
     * Get the author's username
     */
    public function getAuthorName(): string
    {
        $uid = (int) $this->getVar('uid');
        if ($uid === 0) {
            return 'Anonymous';
        }


        $memberHandler = xoops_getHandler('member');
        $user = $memberHandler->getUser($uid);


        return $user ? $user->getVar('uname') : 'Unknown';
    }


    /**
     * Get category object
     */
    public function getCategory(): ?Category
    {
        $catid = (int) $this->getVar('catid');
        if ($catid === 0) {
            return null;
        }


        /** @var CategoryHandler $categoryHandler */
        $categoryHandler = xoops_getModuleHandler('category', 'notes');
        return $categoryHandler->get($catid);
    }


    /**
     * Get note as array for templates
     */
    public function toArray(): array
    {
        return [
            'noteid'        => $this->getVar('noteid'),
            'catid'         => $this->getVar('catid'),
            'uid'           => $this->getVar('uid'),
            'title'         => $this->getVar('title'),
            'content'       => $this->getVar('content', 's'),
            'content_short' => $this->getVar('content', 's', 200),
            'status'        => $this->getVar('status'),
            'created'       => $this->getFormattedDate(),
            'author'        => $this->getAuthorName(),
        ];
    }
}

Note Handler

Dział zatytułowany „Note Handler”

Create class/NoteHandler.php:

<?php
/**
 * Note Handler Class
 */


declare(strict_types=1);


namespace XoopsModules\Notes;


use XoopsPersistableObjectHandler;
use CriteriaCompo;
use Criteria;


class NoteHandler extends XoopsPersistableObjectHandler
{
    /**
     * Constructor
     */
    public function __construct(\XoopsDatabase $db = null)
    {
        parent::__construct(
            $db,
            'notes_notes',
            Note::class,
            'noteid',
            'title'
        );
    }


    /**
     * Get notes by user ID
     *
     * @param int $uid User ID
     * @param int $limit Limit
     * @param int $start Start offset
     * @return Note[]
     */
    public function getByUser(int $uid, int $limit = 0, int $start = 0): array
    {
        $criteria = new CriteriaCompo();
        $criteria->add(new Criteria('uid', $uid));
        $criteria->add(new Criteria('status', 1));
        $criteria->setSort('created');
        $criteria->setOrder('DESC');
        $criteria->setLimit($limit);
        $criteria->setStart($start);


        return $this->getObjects($criteria);
    }


    /**
     * Get notes by category
     *
     * @param int $catid Category ID
     * @param int $limit Limit
     * @param int $start Start offset
     * @return Note[]
     */
    public function getByCategory(int $catid, int $limit = 0, int $start = 0): array
    {
        $criteria = new CriteriaCompo();
        $criteria->add(new Criteria('catid', $catid));
        $criteria->add(new Criteria('status', 1));
        $criteria->setSort('created');
        $criteria->setOrder('DESC');
        $criteria->setLimit($limit);
        $criteria->setStart($start);


        return $this->getObjects($criteria);
    }


    /**
     * Get recent notes
     *
     * @param int $limit Limit
     * @param int|null $uid Optional user ID filter
     * @return Note[]
     */
    public function getRecent(int $limit = 10, ?int $uid = null): array
    {
        $criteria = new CriteriaCompo();
        $criteria->add(new Criteria('status', 1));


        if ($uid !== null) {
            $criteria->add(new Criteria('uid', $uid));
        }


        $criteria->setSort('created');
        $criteria->setOrder('DESC');
        $criteria->setLimit($limit);


        return $this->getObjects($criteria);
    }


    /**
     * Search notes
     *
     * @param string $query Search query
     * @param int|null $uid Optional user ID filter
     * @return Note[]
     */
    public function search(string $query, ?int $uid = null): array
    {
        $criteria = new CriteriaCompo();
        $criteria->add(new Criteria('status', 1));


        // Search in title and content
        $searchCriteria = new CriteriaCompo();
        $searchCriteria->add(new Criteria('title', '%' . $query . '%', 'LIKE'), 'OR');
        $searchCriteria->add(new Criteria('content', '%' . $query . '%', 'LIKE'), 'OR');
        $criteria->add($searchCriteria);


        if ($uid !== null) {
            $criteria->add(new Criteria('uid', $uid));
        }


        $criteria->setSort('created');
        $criteria->setOrder('DESC');


        return $this->getObjects($criteria);
    }


    /**
     * Count notes by user
     *
     * @param int $uid User ID
     * @return int
     */
    public function countByUser(int $uid): int
    {
        $criteria = new CriteriaCompo();
        $criteria->add(new Criteria('uid', $uid));
        $criteria->add(new Criteria('status', 1));


        return $this->getCount($criteria);
    }


    /**
     * Save a note with automatic timestamps
     *
     * @param Note $note
     * @param bool $force
     * @return bool
     */
    public function insert($note, $force = true): bool
    {
        $now = time();


        if ($note->isNew()) {
            $note->setVar('created', $now);
        }
        $note->setVar('updated', $now);


        return parent::insert($note, $force);
    }
}

Category Entity

Dział zatytułowany „Category Entity”

Create class/Category.php:

<?php
/**
 * Category Entity Class
 */


declare(strict_types=1);


namespace XoopsModules\Notes;


use XoopsObject;


class Category extends XoopsObject
{
    /**
     * Constructor
     */
    public function __construct()
    {
        parent::__construct();
        $this->initVar('catid', XOBJ_DTYPE_INT, null, false);
        $this->initVar('name', XOBJ_DTYPE_TXTBOX, '', true, 255);
        $this->initVar('description', XOBJ_DTYPE_TXTAREA, '', false);
        $this->initVar('weight', XOBJ_DTYPE_INT, 0, false);
        $this->initVar('created', XOBJ_DTYPE_INT, 0, false);
    }


    /**
     * Get category as array
     */
    public function toArray(): array
    {
        return [
            'catid'       => $this->getVar('catid'),
            'name'        => $this->getVar('name'),
            'description' => $this->getVar('description', 's'),
            'weight'      => $this->getVar('weight'),
        ];
    }
}

Category Handler

Dział zatytułowany „Category Handler”

Create class/CategoryHandler.php:

<?php
/**
 * Category Handler Class
 */


declare(strict_types=1);


namespace XoopsModules\Notes;


use XoopsPersistableObjectHandler;
use CriteriaCompo;
use Criteria;


class CategoryHandler extends XoopsPersistableObjectHandler
{
    /**
     * Constructor
     */
    public function __construct(\XoopsDatabase $db = null)
    {
        parent::__construct(
            $db,
            'notes_categories',
            Category::class,
            'catid',
            'name'
        );
    }


    /**
     * Get all categories ordered by weight
     *
     * @return Category[]
     */
    public function getAllOrdered(): array
    {
        $criteria = new CriteriaCompo();
        $criteria->setSort('weight');
        $criteria->setOrder('ASC');


        return $this->getObjects($criteria);
    }


    /**
     * Get categories as select options
     *
     * @return array
     */
    public function getSelectOptions(): array
    {
        $options = [0 => _MD_NOTES_NO_CATEGORY];
        $categories = $this->getAllOrdered();


        foreach ($categories as $category) {
            $options[$category->getVar('catid')] = $category->getVar('name');
        }


        return $options;
    }


    /**
     * Save category with automatic timestamp
     */
    public function insert($category, $force = true): bool
    {
        if ($category->isNew()) {
            $category->setVar('created', time());
        }


        return parent::insert($category, $force);
    }
}

Step 5: Common Include File

Dział zatytułowany „Step 5: Common Include File”

Create include/common.php:

<?php
/**
 * Common Include File
 */


declare(strict_types=1);


if (!defined('XOOPS_ROOT_PATH')) {
    die('XOOPS root path not defined');
}


// Module constants
define('NOTES_DIRNAME', 'notes');
define('NOTES_PATH', XOOPS_ROOT_PATH . '/modules/' . NOTES_DIRNAME);
define('NOTES_URL', XOOPS_URL . '/modules/' . NOTES_DIRNAME);


// Load class files
require_once NOTES_PATH . '/class/Category.php';
require_once NOTES_PATH . '/class/CategoryHandler.php';
require_once NOTES_PATH . '/class/Note.php';
require_once NOTES_PATH . '/class/NoteHandler.php';


/**
 * Get the Notes module helper
 */
function notesHelper(): \Xmf\Module\Helper
{
    return \Xmf\Module\Helper::getHelper('notes');
}


/**
 * Get note handler instance
 */
function noteHandler(): \XoopsModules\Notes\NoteHandler
{
    return xoops_getModuleHandler('note', 'notes');
}


/**
 * Get category handler instance
 */
function categoryHandler(): \XoopsModules\Notes\CategoryHandler
{
    return xoops_getModuleHandler('category', 'notes');
}

Step 6: Frontend Pages

Dział zatytułowany „Step 6: Frontend Pages”

Index Page

Dział zatytułowany „Index Page”

Create index.php:

<?php
/**
 * Notes Index - List User's Notes
 */


declare(strict_types=1);


use Xmf\Request;


require_once dirname(__DIR__, 2) . '/mainfile.php';
require_once __DIR__ . '/include/common.php';


xoops_loadLanguage('main', 'notes');


// Require login
if (!$GLOBALS['xoopsUser']) {
    redirect_header(XOOPS_URL . '/user.php', 3, _NOPERM);
    exit;
}


$uid = $GLOBALS['xoopsUser']->getVar('uid');
$helper = notesHelper();
$perPage = $helper->getConfig('notes_per_page');


// Get page number
$start = Request::getInt('start', 0, 'GET');


// Get notes
$noteHandler = noteHandler();
$categoryHandler = categoryHandler();


$totalNotes = $noteHandler->countByUser($uid);
$notes = $noteHandler->getByUser($uid, $perPage, $start);


// Prepare notes for template
$notesArray = [];
foreach ($notes as $note) {
    $notesArray[] = $note->toArray();
}


// Get categories for filter
$categories = $categoryHandler->getAllOrdered();
$categoriesArray = [];
foreach ($categories as $category) {
    $categoriesArray[] = $category->toArray();
}


// Set template
$GLOBALS['xoopsOption']['template_main'] = 'notes_index.tpl';
require XOOPS_ROOT_PATH . '/header.php';


// Assign to template
$xoopsTpl->assign([
    'notes'       => $notesArray,
    'categories'  => $categoriesArray,
    'total_notes' => $totalNotes,
    'module_url'  => NOTES_URL,
]);


// Pagination
if ($totalNotes > $perPage) {
    require_once XOOPS_ROOT_PATH . '/class/pagenav.php';
    $nav = new \XoopsPageNav($totalNotes, $perPage, $start, 'start');
    $xoopsTpl->assign('pagination', $nav->renderNav());
}


require XOOPS_ROOT_PATH . '/footer.php';

View Page

Dział zatytułowany „View Page”

Create view.php:

<?php
/**
 * View Single Note
 */


declare(strict_types=1);


use Xmf\Request;


require_once dirname(__DIR__, 2) . '/mainfile.php';
require_once __DIR__ . '/include/common.php';


xoops_loadLanguage('main', 'notes');


// Require login
if (!$GLOBALS['xoopsUser']) {
    redirect_header(XOOPS_URL . '/user.php', 3, _NOPERM);
    exit;
}


$uid = $GLOBALS['xoopsUser']->getVar('uid');
$noteid = Request::getInt('id', 0, 'GET');


if ($noteid <= 0) {
    redirect_header(NOTES_URL . '/index.php', 3, _MD_NOTES_NOT_FOUND);
    exit;
}


$noteHandler = noteHandler();
$note = $noteHandler->get($noteid);


if (!$note || $note->getVar('uid') != $uid) {
    redirect_header(NOTES_URL . '/index.php', 3, _NOPERM);
    exit;
}


// Set template
$GLOBALS['xoopsOption']['template_main'] = 'notes_view.tpl';
require XOOPS_ROOT_PATH . '/header.php';


$xoopsTpl->assign([
    'note'       => $note->toArray(),
    'module_url' => NOTES_URL,
]);


require XOOPS_ROOT_PATH . '/footer.php';

Edit Page (Create/Update)

Dział zatytułowany „Edit Page (Create/Update)”

Create edit.php:

<?php
/**
 * Create/Edit Note
 */


declare(strict_types=1);


use Xmf\Request;


require_once dirname(__DIR__, 2) . '/mainfile.php';
require_once __DIR__ . '/include/common.php';


xoops_loadLanguage('main', 'notes');


// Require login
if (!$GLOBALS['xoopsUser']) {
    redirect_header(XOOPS_URL . '/user.php', 3, _NOPERM);
    exit;
}


$uid = $GLOBALS['xoopsUser']->getVar('uid');
$noteid = Request::getInt('id', 0, 'REQUEST');
$op = Request::getString('op', 'form', 'REQUEST');


$noteHandler = noteHandler();
$categoryHandler = categoryHandler();


// Get or create note
if ($noteid > 0) {
    $note = $noteHandler->get($noteid);
    if (!$note || $note->getVar('uid') != $uid) {
        redirect_header(NOTES_URL . '/index.php', 3, _NOPERM);
        exit;
    }
    $isNew = false;
} else {
    $note = $noteHandler->create();
    $note->setVar('uid', $uid);
    $isNew = true;
}


// Handle form submission
if ($op === 'save') {
    // CSRF check
    if (!$GLOBALS['xoopsSecurity']->check()) {
        redirect_header(NOTES_URL . '/index.php', 3, implode('<br>', $GLOBALS['xoopsSecurity']->getErrors()));
        exit;
    }


    // Get form data
    $title = Request::getString('title', '', 'POST');
    $content = Request::getText('content', '', 'POST');
    $catid = Request::getInt('catid', 0, 'POST');


    // Validate
    $errors = [];
    if (empty($title)) {
        $errors[] = _MD_NOTES_ERR_TITLE_REQUIRED;
    }
    if (empty($content)) {
        $errors[] = _MD_NOTES_ERR_CONTENT_REQUIRED;
    }


    if (!empty($errors)) {
        redirect_header(
            NOTES_URL . '/edit.php?id=' . $noteid,
            3,
            implode('<br>', $errors)
        );
        exit;
    }


    // Set values
    $note->setVar('title', $title);
    $note->setVar('content', $content);
    $note->setVar('catid', $catid);


    // Save
    if ($noteHandler->insert($note)) {
        redirect_header(
            NOTES_URL . '/view.php?id=' . $note->getVar('noteid'),
            2,
            $isNew ? _MD_NOTES_CREATED : _MD_NOTES_UPDATED
        );
    } else {
        redirect_header(
            NOTES_URL . '/edit.php?id=' . $noteid,
            3,
            _MD_NOTES_ERR_SAVE
        );
    }
    exit;
}


// Handle delete
if ($op === 'delete' && $noteid > 0) {
    if (!$GLOBALS['xoopsSecurity']->check()) {
        redirect_header(NOTES_URL . '/index.php', 3, implode('<br>', $GLOBALS['xoopsSecurity']->getErrors()));
        exit;
    }


    if ($noteHandler->delete($note)) {
        redirect_header(NOTES_URL . '/index.php', 2, _MD_NOTES_DELETED);
    } else {
        redirect_header(NOTES_URL . '/index.php', 3, _MD_NOTES_ERR_DELETE);
    }
    exit;
}


// Display form
$GLOBALS['xoopsOption']['template_main'] = 'notes_edit.tpl';
require XOOPS_ROOT_PATH . '/header.php';


// Get categories for dropdown
$categories = $categoryHandler->getSelectOptions();


$xoopsTpl->assign([
    'note'       => $note->toArray(),
    'categories' => $categories,
    'is_new'     => $isNew,
    'module_url' => NOTES_URL,
    'token'      => $GLOBALS['xoopsSecurity']->getTokenHTML(),
]);


require XOOPS_ROOT_PATH . '/footer.php';

Step 7: Templates

Dział zatytułowany „Step 7: Templates”

Index Template

Dział zatytułowany „Index Template”

Create templates/notes_index.tpl:

<{* Notes Index Template *}>


<div class="notes-container">
    <div class="notes-header">
        <h1><{$smarty.const._MD_NOTES_MY_NOTES}></h1>
        <a href="<{$module_url}>/edit.php" class="btn btn-primary">
            <{$smarty.const._MD_NOTES_ADD_NEW}>
        </a>
    </div>


    <{if $notes}>
        <div class="notes-list">
            <{foreach from=$notes item=note}>
                <div class="note-item">
                    <h3>
                        <a href="<{$module_url}>/view.php?id=<{$note.noteid}>">
                            <{$note.title}>
                        </a>
                    </h3>
                    <div class="note-meta">
                        <span class="date"><{$note.created}></span>
                    </div>
                    <div class="note-excerpt">
                        <{$note.content_short|truncate:200}>
                    </div>
                    <div class="note-actions">
                        <a href="<{$module_url}>/view.php?id=<{$note.noteid}>">
                            <{$smarty.const._MD_NOTES_VIEW}>
                        </a>
                        <a href="<{$module_url}>/edit.php?id=<{$note.noteid}>">
                            <{$smarty.const._MD_NOTES_EDIT}>
                        </a>
                    </div>
                </div>
            <{/foreach}>
        </div>


        <{if $pagination}>
            <div class="notes-pagination">
                <{$pagination}>
            </div>
        <{/if}>
    <{else}>
        <div class="notes-empty">
            <p><{$smarty.const._MD_NOTES_NO_NOTES}></p>
            <a href="<{$module_url}>/edit.php" class="btn btn-primary">
                <{$smarty.const._MD_NOTES_CREATE_FIRST}>
            </a>
        </div>
    <{/if}>
</div>

View Template

Dział zatytułowany „View Template”

Create templates/notes_view.tpl:

<{* Note View Template *}>


<div class="note-view">
    <div class="note-header">
        <h1><{$note.title}></h1>
        <div class="note-meta">
            <span class="date"><{$note.created}></span>
            <span class="author"><{$note.author}></span>
        </div>
    </div>


    <div class="note-content">
        <{$note.content}>
    </div>


    <div class="note-actions">
        <a href="<{$module_url}>/edit.php?id=<{$note.noteid}>" class="btn btn-secondary">
            <{$smarty.const._MD_NOTES_EDIT}>
        </a>
        <a href="<{$module_url}>/index.php" class="btn btn-link">
            <{$smarty.const._MD_NOTES_BACK_LIST}>
        </a>
    </div>
</div>

Edit Template

Dział zatytułowany „Edit Template”

Create templates/notes_edit.tpl:

<{* Note Edit Template *}>


<div class="note-edit">
    <h1>
        <{if $is_new}>
            <{$smarty.const._MD_NOTES_ADD_NEW}>
        <{else}>
            <{$smarty.const._MD_NOTES_EDIT_NOTE}>
        <{/if}>
    </h1>


    <form action="<{$module_url}>/edit.php" method="post" class="note-form">
        <{$token}>
        <input type="hidden" name="op" value="save">
        <input type="hidden" name="id" value="<{$note.noteid}>">


        <div class="form-group">
            <label for="title"><{$smarty.const._MD_NOTES_TITLE}></label>
            <input type="text"
                   name="title"
                   id="title"
                   class="form-control"
                   value="<{$note.title}>"
                   required>
        </div>


        <div class="form-group">
            <label for="catid"><{$smarty.const._MD_NOTES_CATEGORY}></label>
            <select name="catid" id="catid" class="form-control">
                <{foreach from=$categories key=id item=name}>
                    <option value="<{$id}>" <{if $note.catid == $id}>selected<{/if}>>
                        <{$name}>
                    </option>
                <{/foreach}>
            </select>
        </div>


        <div class="form-group">
            <label for="content"><{$smarty.const._MD_NOTES_CONTENT}></label>
            <textarea name="content"
                      id="content"
                      class="form-control"
                      rows="10"
                      required><{$note.content}></textarea>
        </div>


        <div class="form-actions">
            <button type="submit" class="btn btn-primary">
                <{$smarty.const._MD_NOTES_SAVE}>
            </button>
            <a href="<{$module_url}>/index.php" class="btn btn-link">
                <{$smarty.const._MD_NOTES_CANCEL}>
            </a>
            <{if !$is_new}>
                <button type="submit"
                        name="op"
                        value="delete"
                        class="btn btn-danger"
                        onclick="return confirm('<{$smarty.const._MD_NOTES_CONFIRM_DELETE}>');">
                    <{$smarty.const._MD_NOTES_DELETE}>
                </button>
            <{/if}>
        </div>
    </form>
</div>

Step 8: Language File

Dział zatytułowany „Step 8: Language File”

Create language/english/main.php:

<?php
/**
 * Main Language File
 */


// Page Titles
define('_MD_NOTES_MY_NOTES', 'My Notes');
define('_MD_NOTES_ADD_NEW', 'Add New Note');
define('_MD_NOTES_EDIT_NOTE', 'Edit Note');


// Form Labels
define('_MD_NOTES_TITLE', 'Title');
define('_MD_NOTES_CONTENT', 'Content');
define('_MD_NOTES_CATEGORY', 'Category');
define('_MD_NOTES_NO_CATEGORY', '-- No Category --');


// Buttons
define('_MD_NOTES_SAVE', 'Save');
define('_MD_NOTES_CANCEL', 'Cancel');
define('_MD_NOTES_DELETE', 'Delete');
define('_MD_NOTES_VIEW', 'View');
define('_MD_NOTES_EDIT', 'Edit');
define('_MD_NOTES_BACK_LIST', 'Back to List');


// Messages
define('_MD_NOTES_CREATED', 'Note created successfully.');
define('_MD_NOTES_UPDATED', 'Note updated successfully.');
define('_MD_NOTES_DELETED', 'Note deleted successfully.');
define('_MD_NOTES_NOT_FOUND', 'Note not found.');
define('_MD_NOTES_NO_NOTES', 'You have no notes yet.');
define('_MD_NOTES_CREATE_FIRST', 'Create Your First Note');
define('_MD_NOTES_CONFIRM_DELETE', 'Are you sure you want to delete this note?');


// Errors
define('_MD_NOTES_ERR_TITLE_REQUIRED', 'Title is required.');
define('_MD_NOTES_ERR_CONTENT_REQUIRED', 'Content is required.');
define('_MD_NOTES_ERR_SAVE', 'Error saving note.');
define('_MD_NOTES_ERR_DELETE', 'Error deleting note.');

Step 9: Admin Interface

Dział zatytułowany „Step 9: Admin Interface”

Admin Menu

Dział zatytułowany „Admin Menu”

Create admin/menu.php:

<?php
$adminmenu = [];


$adminmenu[] = [
    'title' => _AM_NOTES_INDEX,
    'link'  => 'admin/index.php',
    'icon'  => 'home.png',
];


$adminmenu[] = [
    'title' => _AM_NOTES_NOTES,
    'link'  => 'admin/notes.php',
    'icon'  => 'content.png',
];


$adminmenu[] = [
    'title' => _AM_NOTES_CATEGORIES,
    'link'  => 'admin/categories.php',
    'icon'  => 'category.png',
];

Admin Notes Management

Dział zatytułowany „Admin Notes Management”

Create admin/notes.php:

<?php
/**
 * Admin Notes Management
 */


declare(strict_types=1);


use Xmf\Request;


require_once __DIR__ . '/admin_header.php';


$op = Request::getString('op', 'list', 'REQUEST');
$noteid = Request::getInt('id', 0, 'REQUEST');


$noteHandler = noteHandler();


switch ($op) {
    case 'delete':
        if ($noteid > 0) {
            $note = $noteHandler->get($noteid);
            if ($note && $noteHandler->delete($note)) {
                redirect_header('notes.php', 2, _AM_NOTES_DELETED);
            } else {
                redirect_header('notes.php', 3, _AM_NOTES_ERR_DELETE);
            }
        }
        break;


    case 'list':
    default:
        $adminObject->displayNavigation('notes.php');


        // Get all notes
        $criteria = new CriteriaCompo();
        $criteria->setSort('created');
        $criteria->setOrder('DESC');
        $notes = $noteHandler->getObjects($criteria);


        // Display table
        echo '<table class="outer">';
        echo '<tr class="head"><th>' . _AM_NOTES_ID . '</th>';
        echo '<th>' . _AM_NOTES_TITLE . '</th>';
        echo '<th>' . _AM_NOTES_AUTHOR . '</th>';
        echo '<th>' . _AM_NOTES_DATE . '</th>';
        echo '<th>' . _AM_NOTES_ACTIONS . '</th></tr>';


        foreach ($notes as $note) {
            echo '<tr class="even">';
            echo '<td>' . $note->getVar('noteid') . '</td>';
            echo '<td>' . $note->getVar('title') . '</td>';
            echo '<td>' . $note->getAuthorName() . '</td>';
            echo '<td>' . $note->getFormattedDate() . '</td>';
            echo '<td>';
            echo '<a href="notes.php?op=delete&id=' . $note->getVar('noteid') . '" ';
            echo 'onclick="return confirm(\'' . _AM_NOTES_CONFIRM_DELETE . '\');">';
            echo _AM_NOTES_DELETE . '</a>';
            echo '</td></tr>';
        }


        echo '</table>';
        break;
}


require_once __DIR__ . '/admin_footer.php';

Summary

Dział zatytułowany „Summary”

Congratulations! You have built a complete CRUD module. Key concepts covered:

  1. Database Design - Tables with relationships
  2. Entity Classes - XoopsObject with typed properties
  3. Handler Classes - XoopsPersistableObjectHandler with custom methods
  4. Frontend Pages - List, view, and edit functionality
  5. Form Handling - CSRF protection and validation
  6. Admin Interface - Management screens
  7. Templates - Smarty templates with logic

Next Steps

Dział zatytułowany „Next Steps”
  • Add more advanced features (comments, ratings, sharing)
  • Implement the ../Patterns/Repository-Pattern for cleaner data access
  • Apply ../Patterns/MVC-Pattern for better code organization
  • Add ../Best-Practices/Testing with PHPUnit

See also: ../Module-Development | ../Patterns/MVC-Pattern | ../Patterns/Repository-Pattern