1<?php 2 3/** 4 * webtrees: online genealogy 5 * Copyright (C) 2021 webtrees development team 6 * This program is free software: you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation, either version 3 of the License, or 9 * (at your option) any later version. 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * You should have received a copy of the GNU General Public License 15 * along with this program. If not, see <https://www.gnu.org/licenses/>. 16 */ 17 18declare(strict_types=1); 19 20namespace Fisharebest\Webtrees\Module; 21 22use Fisharebest\Webtrees\Http\RequestHandlers\ControlPanel; 23use Fisharebest\Webtrees\I18N; 24use Fisharebest\Webtrees\Menu; 25use Fisharebest\Webtrees\Services\HtmlService; 26use Fisharebest\Webtrees\Services\TreeService; 27use Fisharebest\Webtrees\Tree; 28use Illuminate\Database\Capsule\Manager as DB; 29use Illuminate\Database\Query\Builder; 30use Illuminate\Support\Collection; 31use Psr\Http\Message\ResponseInterface; 32use Psr\Http\Message\ServerRequestInterface; 33 34use function assert; 35use function redirect; 36use function route; 37 38/** 39 * Class FrequentlyAskedQuestionsModule 40 */ 41class FrequentlyAskedQuestionsModule extends AbstractModule implements ModuleConfigInterface, ModuleMenuInterface 42{ 43 use ModuleConfigTrait; 44 use ModuleMenuTrait; 45 46 private HtmlService $html_service; 47 48 private TreeService $tree_service; 49 50 /** 51 * FrequentlyAskedQuestionsModule constructor. 52 * 53 * @param HtmlService $html_service 54 * @param TreeService $tree_service 55 */ 56 public function __construct(HtmlService $html_service, TreeService $tree_service) 57 { 58 $this->html_service = $html_service; 59 $this->tree_service = $tree_service; 60 } 61 62 /** 63 * How should this module be identified in the control panel, etc.? 64 * 65 * @return string 66 */ 67 public function title(): string 68 { 69 /* I18N: Name of a module. Abbreviation for “Frequently Asked Questions” */ 70 return I18N::translate('FAQ'); 71 } 72 73 /** 74 * A sentence describing what this module does. 75 * 76 * @return string 77 */ 78 public function description(): string 79 { 80 /* I18N: Description of the “FAQ” module */ 81 return I18N::translate('A list of frequently asked questions and answers.'); 82 } 83 84 /** 85 * The default position for this menu. It can be changed in the control panel. 86 * 87 * @return int 88 */ 89 public function defaultMenuOrder(): int 90 { 91 return 8; 92 } 93 94 /** 95 * A menu, to be added to the main application menu. 96 * 97 * @param Tree $tree 98 * 99 * @return Menu|null 100 */ 101 public function getMenu(Tree $tree): ?Menu 102 { 103 if ($this->faqsExist($tree, I18N::languageTag())) { 104 return new Menu($this->title(), route('module', [ 105 'module' => $this->name(), 106 'action' => 'Show', 107 'tree' => $tree->name(), 108 ]), 'menu-faq'); 109 } 110 111 return null; 112 } 113 114 /** 115 * @param ServerRequestInterface $request 116 * 117 * @return ResponseInterface 118 */ 119 public function getAdminAction(ServerRequestInterface $request): ResponseInterface 120 { 121 $this->layout = 'layouts/administration'; 122 123 // This module can't run without a tree 124 $tree = $request->getAttribute('tree'); 125 126 if (!$tree instanceof Tree) { 127 $tree = $this->tree_service->all()->first(); 128 if ($tree instanceof Tree) { 129 return redirect(route('module', ['module' => $this->name(), 'action' => 'Admin', 'tree' => $tree->name()])); 130 } 131 132 return redirect(route(ControlPanel::class)); 133 } 134 135 $faqs = $this->faqsForTree($tree); 136 137 $min_block_order = DB::table('block') 138 ->where('module_name', '=', $this->name()) 139 ->where(static function (Builder $query) use ($tree): void { 140 $query 141 ->whereNull('gedcom_id') 142 ->orWhere('gedcom_id', '=', $tree->id()); 143 }) 144 ->min('block_order'); 145 146 $max_block_order = DB::table('block') 147 ->where('module_name', '=', $this->name()) 148 ->where(static function (Builder $query) use ($tree): void { 149 $query 150 ->whereNull('gedcom_id') 151 ->orWhere('gedcom_id', '=', $tree->id()); 152 }) 153 ->max('block_order'); 154 155 $title = I18N::translate('Frequently asked questions') . ' — ' . $tree->title(); 156 157 return $this->viewResponse('modules/faq/config', [ 158 'action' => route('module', ['module' => $this->name(), 'action' => 'Admin']), 159 'faqs' => $faqs, 160 'max_block_order' => $max_block_order, 161 'min_block_order' => $min_block_order, 162 'module' => $this->name(), 163 'title' => $title, 164 'tree' => $tree, 165 'tree_names' => $this->tree_service->titles(), 166 ]); 167 } 168 169 /** 170 * @param ServerRequestInterface $request 171 * 172 * @return ResponseInterface 173 */ 174 public function postAdminAction(ServerRequestInterface $request): ResponseInterface 175 { 176 $params = (array) $request->getParsedBody(); 177 178 return redirect(route('module', [ 179 'module' => $this->name(), 180 'action' => 'Admin', 181 'tree' => $params['tree'] ?? '', 182 ])); 183 } 184 185 /** 186 * @param ServerRequestInterface $request 187 * 188 * @return ResponseInterface 189 */ 190 public function postAdminDeleteAction(ServerRequestInterface $request): ResponseInterface 191 { 192 $block_id = (int) $request->getQueryParams()['block_id']; 193 194 DB::table('block_setting')->where('block_id', '=', $block_id)->delete(); 195 196 DB::table('block')->where('block_id', '=', $block_id)->delete(); 197 198 $url = route('module', [ 199 'module' => $this->name(), 200 'action' => 'Admin', 201 ]); 202 203 return redirect($url); 204 } 205 206 /** 207 * @param ServerRequestInterface $request 208 * 209 * @return ResponseInterface 210 */ 211 public function postAdminMoveDownAction(ServerRequestInterface $request): ResponseInterface 212 { 213 $block_id = (int) $request->getQueryParams()['block_id']; 214 215 $block_order = DB::table('block') 216 ->where('block_id', '=', $block_id) 217 ->value('block_order'); 218 219 $swap_block = DB::table('block') 220 ->where('module_name', '=', $this->name()) 221 ->where('block_order', '>', $block_order) 222 ->orderBy('block_order') 223 ->first(); 224 225 if ($block_order !== null && $swap_block !== null) { 226 DB::table('block') 227 ->where('block_id', '=', $block_id) 228 ->update([ 229 'block_order' => $swap_block->block_order, 230 ]); 231 232 DB::table('block') 233 ->where('block_id', '=', $swap_block->block_id) 234 ->update([ 235 'block_order' => $block_order, 236 ]); 237 } 238 239 return response(); 240 } 241 242 /** 243 * @param ServerRequestInterface $request 244 * 245 * @return ResponseInterface 246 */ 247 public function postAdminMoveUpAction(ServerRequestInterface $request): ResponseInterface 248 { 249 $block_id = (int) $request->getQueryParams()['block_id']; 250 251 $block_order = DB::table('block') 252 ->where('block_id', '=', $block_id) 253 ->value('block_order'); 254 255 $swap_block = DB::table('block') 256 ->where('module_name', '=', $this->name()) 257 ->where('block_order', '<', $block_order) 258 ->orderBy('block_order', 'desc') 259 ->first(); 260 261 if ($block_order !== null && $swap_block !== null) { 262 DB::table('block') 263 ->where('block_id', '=', $block_id) 264 ->update([ 265 'block_order' => $swap_block->block_order, 266 ]); 267 268 DB::table('block') 269 ->where('block_id', '=', $swap_block->block_id) 270 ->update([ 271 'block_order' => $block_order, 272 ]); 273 } 274 275 return response(); 276 } 277 278 /** 279 * @param ServerRequestInterface $request 280 * 281 * @return ResponseInterface 282 */ 283 public function getAdminEditAction(ServerRequestInterface $request): ResponseInterface 284 { 285 $this->layout = 'layouts/administration'; 286 287 $block_id = (int) ($request->getQueryParams()['block_id'] ?? 0); 288 289 if ($block_id === 0) { 290 // Creating a new faq 291 $header = ''; 292 $body = ''; 293 $gedcom_id = null; 294 $block_order = 1 + (int) DB::table('block')->where('module_name', '=', $this->name())->max('block_order'); 295 296 $languages = []; 297 298 $title = I18N::translate('Add an FAQ'); 299 } else { 300 // Editing an existing faq 301 $header = $this->getBlockSetting($block_id, 'header'); 302 $body = $this->getBlockSetting($block_id, 'faqbody'); 303 $gedcom_id = DB::table('block')->where('block_id', '=', $block_id)->value('gedcom_id'); 304 $block_order = DB::table('block')->where('block_id', '=', $block_id)->value('block_order'); 305 306 $languages = explode(',', $this->getBlockSetting($block_id, 'languages')); 307 308 $title = I18N::translate('Edit the FAQ'); 309 } 310 311 $gedcom_ids = $this->tree_service->all() 312 ->mapWithKeys(static function (Tree $tree): array { 313 return [$tree->id() => $tree->title()]; 314 }) 315 ->all(); 316 317 $gedcom_ids = ['' => I18N::translate('All')] + $gedcom_ids; 318 319 return $this->viewResponse('modules/faq/edit', [ 320 'block_id' => $block_id, 321 'block_order' => $block_order, 322 'header' => $header, 323 'body' => $body, 324 'languages' => $languages, 325 'title' => $title, 326 'gedcom_id' => $gedcom_id, 327 'gedcom_ids' => $gedcom_ids, 328 ]); 329 } 330 331 /** 332 * @param ServerRequestInterface $request 333 * 334 * @return ResponseInterface 335 */ 336 public function postAdminEditAction(ServerRequestInterface $request): ResponseInterface 337 { 338 $block_id = (int) ($request->getQueryParams()['block_id'] ?? 0); 339 340 $params = (array) $request->getParsedBody(); 341 342 $body = $params['body']; 343 $header = $params['header']; 344 $languages = $params['languages'] ?? []; 345 $gedcom_id = $params['gedcom_id']; 346 $block_order = (int) $params['block_order']; 347 348 if ($gedcom_id === '') { 349 $gedcom_id = null; 350 } 351 352 $body = $this->html_service->sanitize($body); 353 $header = $this->html_service->sanitize($header); 354 355 if ($block_id !== 0) { 356 DB::table('block') 357 ->where('block_id', '=', $block_id) 358 ->update([ 359 'gedcom_id' => $gedcom_id, 360 'block_order' => $block_order, 361 ]); 362 } else { 363 DB::table('block')->insert([ 364 'gedcom_id' => $gedcom_id, 365 'module_name' => $this->name(), 366 'block_order' => $block_order, 367 ]); 368 369 $block_id = (int) DB::connection()->getPdo()->lastInsertId(); 370 } 371 372 $this->setBlockSetting($block_id, 'faqbody', $body); 373 $this->setBlockSetting($block_id, 'header', $header); 374 $this->setBlockSetting($block_id, 'languages', implode(',', $languages)); 375 376 $url = route('module', [ 377 'module' => $this->name(), 378 'action' => 'Admin', 379 ]); 380 381 return redirect($url); 382 } 383 384 /** 385 * @param ServerRequestInterface $request 386 * 387 * @return ResponseInterface 388 */ 389 public function getShowAction(ServerRequestInterface $request): ResponseInterface 390 { 391 $tree = $request->getAttribute('tree'); 392 assert($tree instanceof Tree); 393 394 // Filter foreign languages. 395 $faqs = $this->faqsForTree($tree) 396 ->filter(static function (object $faq): bool { 397 return $faq->languages === '' || in_array(I18N::languageTag(), explode(',', $faq->languages), true); 398 }); 399 400 return $this->viewResponse('modules/faq/show', [ 401 'faqs' => $faqs, 402 'title' => I18N::translate('Frequently asked questions'), 403 'tree' => $tree, 404 ]); 405 } 406 407 /** 408 * @param Tree $tree 409 * 410 * @return Collection<object> 411 */ 412 private function faqsForTree(Tree $tree): Collection 413 { 414 return DB::table('block') 415 ->join('block_setting AS bs1', 'bs1.block_id', '=', 'block.block_id') 416 ->join('block_setting AS bs2', 'bs2.block_id', '=', 'block.block_id') 417 ->join('block_setting AS bs3', 'bs3.block_id', '=', 'block.block_id') 418 ->where('module_name', '=', $this->name()) 419 ->where('bs1.setting_name', '=', 'header') 420 ->where('bs2.setting_name', '=', 'faqbody') 421 ->where('bs3.setting_name', '=', 'languages') 422 ->where(static function (Builder $query) use ($tree): void { 423 $query 424 ->whereNull('gedcom_id') 425 ->orWhere('gedcom_id', '=', $tree->id()); 426 }) 427 ->orderBy('block_order') 428 ->select(['block.block_id', 'block_order', 'gedcom_id', 'bs1.setting_value AS header', 'bs2.setting_value AS faqbody', 'bs3.setting_value AS languages']) 429 ->get(); 430 } 431 432 /** 433 * @param Tree $tree 434 * @param string $language 435 * 436 * @return bool 437 */ 438 private function faqsExist(Tree $tree, string $language): bool 439 { 440 return DB::table('block') 441 ->join('block_setting', 'block_setting.block_id', '=', 'block.block_id') 442 ->where('module_name', '=', $this->name()) 443 ->where('setting_name', '=', 'languages') 444 ->where(static function (Builder $query) use ($tree): void { 445 $query 446 ->whereNull('gedcom_id') 447 ->orWhere('gedcom_id', '=', $tree->id()); 448 }) 449 ->select(['setting_value AS languages']) 450 ->get() 451 ->filter(static function (object $faq) use ($language): bool { 452 return $faq->languages === '' || in_array($language, explode(',', $faq->languages), true); 453 }) 454 ->isNotEmpty(); 455 } 456} 457