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Δημιουργία ενότητας CRUD

Αυτό το σεμινάριο σας καθοδηγεί στη δημιουργία μιας ολοκληρωμένης ενότητας CRUD (Δημιουργία, ανάγνωση, ενημέρωση, διαγραφή) για το XOOPS. Θα δημιουργήσουμε μια ενότητα “Σημειώσεις” που επιτρέπει στους χρήστες να διαχειρίζονται προσωπικές σημειώσεις.

  • Ολοκληρωμένο σεμινάριο Hello-World-Module
  • Κατανόηση των εννοιών PHP OOP
  • Βασικές γνώσεις SQL

Δυνατότητες ενότητας σημειώσεων:

  • Δημιουργία, προβολή, επεξεργασία και διαγραφή σημειώσεων
  • Διεπαφή διαχείρισης διαχειριστή
  • Σημειώσεις ειδικά για το χρήστη
  • Οργάνωση κατηγορίας
  • Λειτουργία αναζήτησης

Δημιουργήστε την ακόλουθη δομή στο /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

Δημιουργία sql/mysql.sql:

-- Notes Module Database Schema
-- Categories Table
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;
-- Notes Table
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;

Δημιουργία xoops_version.php:

<?php
/**
* Notes Module - Module Definition
*/
if (!defined('XOOPS_ROOT_PATH')) {
die('XOOPS root path not defined');
}
$modversion = [];
// Basic Information
$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';
// Requirements
$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;
// Main
$modversion['hasMain'] = 1;
// Submenu
$modversion['sub'][] = [
'name' => _MI_NOTES_MENU_LIST,
'url' => 'index.php',
];
$modversion['sub'][] = [
'name' => _MI_NOTES_MENU_ADD,
'url' => 'edit.php',
];
// Database
$modversion['sqlfile']['mysql'] = 'sql/mysql.sql';
$modversion['tables'] = [
'notes_categories',
'notes_notes',
];
// Templates
$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' => ''];
// Configuration
$modversion['config'][] = [
'name' => 'notes_per_page',
'title' => '_MI_NOTES_PERPAGE',
'description' => '_MI_NOTES_PERPAGE_DESC',
'formtype' => 'textbox',
'valuetype' => 'int',
'default' => 10,
];
// Install/Update Functions
$modversion['onInstall'] = 'include/install.php';
$modversion['onUpdate'] = 'include/update.php';

Δημιουργία 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(),
];
}
}

Δημιουργία 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);
}
}

Δημιουργία 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'),
];
}
}

Δημιουργία 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);
}
}

Δημιουργία 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');
}

Δημιουργία 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';

Δημιουργία 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';

Δημιουργία 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';

Δημιουργία 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>

Δημιουργία 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>

Δημιουργία 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>

Δημιουργία 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.');

Δημιουργία 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',
];

Δημιουργία 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';

Συγχαρητήρια! Έχετε δημιουργήσει μια πλήρη ενότητα CRUD. Βασικές έννοιες που καλύπτονται:

  1. Σχεδίαση βάσης δεδομένων - Πίνακες με σχέσεις
  2. Τάξεις οντοτήτων - XoopsObject με πληκτρολογημένες ιδιότητες
  3. Τάξεις Handler - XoopsPersistableObjectHandler με προσαρμοσμένες μεθόδους
  4. Μπροστινές σελίδες - Λειτουργίες λίστας, προβολής και επεξεργασίας
  5. Χειρισμός φόρμας - CSRF προστασία και επικύρωση
  6. Διεπαφή διαχειριστή - Οθόνες διαχείρισης
  7. Πρότυπα - Έξυπνα πρότυπα με λογική
  • Προσθέστε πιο προηγμένες λειτουργίες (σχόλια, αξιολογήσεις, κοινή χρήση)
  • Εφαρμόστε το ../Patterns/Repository-Pattern για καθαρότερη πρόσβαση στα δεδομένα
  • Εφαρμογή ../Patterns/MVC-Pattern για καλύτερη οργάνωση κώδικα
  • Προσθέστε ../Best-Practices/Testing με PHPUnit

Δείτε επίσης: ../Ενότητα-Ανάπτυξη | ../Patterns/MVC-Pattern | ../Patterns/Repository-Pattern