xref: /webtrees/app/Services/HomePageService.php (revision bc251ebe44f96e2ace3e34d8e38fd186f992618e)
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\Services;
21
22use Fisharebest\Webtrees\Auth;
23use Fisharebest\Webtrees\Contracts\UserInterface;
24use Fisharebest\Webtrees\Exceptions\HttpAccessDeniedException;
25use Fisharebest\Webtrees\Exceptions\HttpNotFoundException;
26use Fisharebest\Webtrees\Module\ModuleBlockInterface;
27use Fisharebest\Webtrees\Module\ModuleInterface;
28use Fisharebest\Webtrees\Tree;
29use Illuminate\Database\Capsule\Manager as DB;
30use Illuminate\Support\Collection;
31use Psr\Http\Message\ServerRequestInterface;
32use stdClass;
33
34use function assert;
35use function is_numeric;
36
37/**
38 * Logic and content for the home-page blocks.
39 */
40class HomePageService
41{
42    /** @var ModuleService */
43    private $module_service;
44
45    /**
46     * HomePageController constructor.
47     *
48     * @param ModuleService $module_service
49     */
50    public function __construct(ModuleService $module_service)
51    {
52        $this->module_service = $module_service;
53    }
54
55    /**
56     * Load a tree block.
57     *
58     * @param ServerRequestInterface $request
59     *
60     * @return ModuleBlockInterface
61     */
62    public function treeBlock(ServerRequestInterface $request): ModuleBlockInterface
63    {
64        $tree = $request->getAttribute('tree');
65        assert($tree instanceof Tree);
66
67        $block_id = (int) $request->getQueryParams()['block_id'];
68
69        $block = DB::table('block')
70            ->where('block_id', '=', $block_id)
71            ->where('gedcom_id', '=', $tree->id())
72            ->whereNull('user_id')
73            ->first();
74
75        if ($block instanceof stdClass) {
76            $module = $this->module_service->findByName($block->module_name);
77
78            if ($module instanceof ModuleBlockInterface) {
79                return $module;
80            }
81        }
82
83        throw new HttpNotFoundException();
84    }
85
86    /**
87     * Load a user block.
88     *
89     * @param ServerRequestInterface $request
90     * @param UserInterface          $user
91     *
92     * @return ModuleBlockInterface
93     */
94    public function userBlock(ServerRequestInterface $request, UserInterface $user): ModuleBlockInterface
95    {
96        $block_id = (int) $request->getQueryParams()['block_id'];
97
98        $block = DB::table('block')
99            ->where('block_id', '=', $block_id)
100            ->where('user_id', '=', $user->id())
101            ->whereNull('gedcom_id')
102            ->first();
103
104        if ($block instanceof stdClass) {
105            $module = $this->module_service->findByName($block->module_name);
106
107            if ($module instanceof ModuleBlockInterface) {
108                return $module;
109            }
110        }
111
112        throw new HttpNotFoundException();
113    }
114
115    /**
116     * Get a specific block.
117     *
118     * @param Tree $tree
119     * @param int  $block_id
120     *
121     * @return ModuleBlockInterface
122     */
123    public function getBlockModule(Tree $tree, int $block_id): ModuleBlockInterface
124    {
125        $active_blocks = $this->module_service->findByComponent(ModuleBlockInterface::class, $tree, Auth::user());
126
127        $module_name = DB::table('block')
128            ->where('block_id', '=', $block_id)
129            ->value('module_name');
130
131        $block = $active_blocks->first(static function (ModuleInterface $module) use ($module_name): bool {
132            return $module->name() === $module_name;
133        });
134
135        if ($block instanceof ModuleBlockInterface) {
136            return $block;
137        }
138
139        throw new HttpNotFoundException('Block not found');
140    }
141
142    /**
143     * Get all the available blocks for a tree page.
144     *
145     * @param Tree          $tree
146     * @param UserInterface $user
147     *
148     * @return Collection<string,ModuleBlockInterface>
149     */
150    public function availableTreeBlocks(Tree $tree, UserInterface $user): Collection
151    {
152        return $this->module_service->findByComponent(ModuleBlockInterface::class, $tree, $user)
153            ->filter(static function (ModuleBlockInterface $block): bool {
154                return $block->isTreeBlock();
155            })
156            ->mapWithKeys(static function (ModuleBlockInterface $block): array {
157                return [$block->name() => $block];
158            });
159    }
160
161    /**
162     * Get all the available blocks for a user page.
163     *
164     * @param Tree          $tree
165     * @param UserInterface $user
166     *
167     * @return Collection<string,ModuleBlockInterface>
168     */
169    public function availableUserBlocks(Tree $tree, UserInterface $user): Collection
170    {
171        return $this->module_service->findByComponent(ModuleBlockInterface::class, $tree, $user)
172            ->filter(static function (ModuleBlockInterface $block): bool {
173                return $block->isUserBlock();
174            })
175            ->mapWithKeys(static function (ModuleBlockInterface $block): array {
176                return [$block->name() => $block];
177            });
178    }
179
180    /**
181     * Get the blocks for a specified tree.
182     *
183     * @param Tree          $tree
184     * @param UserInterface $user
185     * @param string        $location "main" or "side"
186     *
187     * @return Collection<int,ModuleBlockInterface>
188     */
189    public function treeBlocks(Tree $tree, UserInterface $user, string $location): Collection
190    {
191        $rows = DB::table('block')
192            ->where('gedcom_id', '=', $tree->id())
193            ->where('location', '=', $location)
194            ->orderBy('block_order')
195            ->pluck('module_name', 'block_id');
196
197        return $this->filterActiveBlocks($rows, $this->availableTreeBlocks($tree, $user));
198    }
199
200    /**
201     * Make sure that default blocks exist for a tree.
202     *
203     * @return void
204     */
205    public function checkDefaultTreeBlocksExist(): void
206    {
207        $has_blocks = DB::table('block')
208            ->where('gedcom_id', '=', -1)
209            ->exists();
210
211        // No default settings?  Create them.
212        if (!$has_blocks) {
213            foreach ([ModuleBlockInterface::MAIN_BLOCKS, ModuleBlockInterface::SIDE_BLOCKS] as $location) {
214                foreach (ModuleBlockInterface::DEFAULT_TREE_PAGE_BLOCKS[$location] as $block_order => $class) {
215                    $module = $this->module_service->findByInterface($class)->first();
216
217                    if ($module instanceof ModuleInterface) {
218                        DB::table('block')->insert([
219                            'gedcom_id'   => -1,
220                            'location'    => $location,
221                            'block_order' => $block_order,
222                            'module_name' => $module->name(),
223                        ]);
224                    }
225                }
226            }
227        }
228    }
229
230    /**
231     * Get the blocks for a specified user.
232     *
233     * @param Tree          $tree
234     * @param UserInterface $user
235     * @param string        $location "main" or "side"
236     *
237     * @return Collection<int,ModuleBlockInterface>
238     */
239    public function userBlocks(Tree $tree, UserInterface $user, string $location): Collection
240    {
241        $rows = DB::table('block')
242            ->where('user_id', '=', $user->id())
243            ->where('location', '=', $location)
244            ->orderBy('block_order')
245            ->pluck('module_name', 'block_id');
246
247        return $this->filterActiveBlocks($rows, $this->availableUserBlocks($tree, $user));
248    }
249
250    /**
251     * Make sure that default blocks exist for a user.
252     *
253     * @return void
254     */
255    public function checkDefaultUserBlocksExist(): void
256    {
257        $has_blocks = DB::table('block')
258            ->where('user_id', '=', -1)
259            ->exists();
260
261        // No default settings?  Create them.
262        if (!$has_blocks) {
263            foreach ([ModuleBlockInterface::MAIN_BLOCKS, ModuleBlockInterface::SIDE_BLOCKS] as $location) {
264                foreach (ModuleBlockInterface::DEFAULT_USER_PAGE_BLOCKS[$location] as $block_order => $class) {
265                    $module = $this->module_service->findByInterface($class)->first();
266
267                    if ($module instanceof ModuleBlockInterface) {
268                        DB::table('block')->insert([
269                            'user_id'     => -1,
270                            'location'    => $location,
271                            'block_order' => $block_order,
272                            'module_name' => $module->name(),
273                        ]);
274                    }
275                }
276            }
277        }
278    }
279
280    /**
281     * Save the updated blocks for a user.
282     *
283     * @param int                $user_id
284     * @param Collection<string> $main_block_ids
285     * @param Collection<string> $side_block_ids
286     *
287     * @return void
288     */
289    public function updateUserBlocks(int $user_id, Collection $main_block_ids, Collection $side_block_ids): void
290    {
291        $existing_block_ids = DB::table('block')
292            ->where('user_id', '=', $user_id)
293            ->whereIn('location', [ModuleBlockInterface::MAIN_BLOCKS, ModuleBlockInterface::SIDE_BLOCKS])
294            ->pluck('block_id');
295
296        // Deleted blocks
297        foreach ($existing_block_ids as $existing_block_id) {
298            if (!$main_block_ids->contains($existing_block_id) && !$side_block_ids->contains($existing_block_id)) {
299                DB::table('block_setting')
300                    ->where('block_id', '=', $existing_block_id)
301                    ->delete();
302
303                DB::table('block')
304                    ->where('block_id', '=', $existing_block_id)
305                    ->delete();
306            }
307        }
308
309        $updates = [
310            ModuleBlockInterface::MAIN_BLOCKS => $main_block_ids,
311            ModuleBlockInterface::SIDE_BLOCKS => $side_block_ids,
312        ];
313
314        foreach ($updates as $location => $updated_blocks) {
315            foreach ($updated_blocks as $block_order => $block_id) {
316                if (is_numeric($block_id)) {
317                    // Updated block
318                    DB::table('block')
319                        ->where('block_id', '=', $block_id)
320                        ->update([
321                            'block_order' => $block_order,
322                            'location'    => $location,
323                        ]);
324                } else {
325                    // New block
326                    DB::table('block')->insert([
327                        'user_id'     => $user_id,
328                        'location'    => $location,
329                        'block_order' => $block_order,
330                        'module_name' => $block_id,
331                    ]);
332                }
333            }
334        }
335    }
336
337    /**
338     * Save the updated blocks for a tree.
339     *
340     * @param int                $tree_id
341     * @param Collection<string> $main_block_ids
342     * @param Collection<string> $side_block_ids
343     *
344     * @return void
345     */
346    public function updateTreeBlocks(int $tree_id, Collection $main_block_ids, Collection $side_block_ids): void
347    {
348        $existing_block_ids = DB::table('block')
349            ->where('gedcom_id', '=', $tree_id)
350            ->whereIn('location', [ModuleBlockInterface::MAIN_BLOCKS, ModuleBlockInterface::SIDE_BLOCKS])
351            ->pluck('block_id');
352
353        // Deleted blocks
354        foreach ($existing_block_ids as $existing_block_id) {
355            if (!$main_block_ids->contains($existing_block_id) && !$side_block_ids->contains($existing_block_id)) {
356                DB::table('block_setting')
357                    ->where('block_id', '=', $existing_block_id)
358                    ->delete();
359
360                DB::table('block')
361                    ->where('block_id', '=', $existing_block_id)
362                    ->delete();
363            }
364        }
365
366        $updates = [
367            ModuleBlockInterface::MAIN_BLOCKS => $main_block_ids,
368            ModuleBlockInterface::SIDE_BLOCKS => $side_block_ids,
369        ];
370
371        foreach ($updates as $location => $updated_blocks) {
372            foreach ($updated_blocks as $block_order => $block_id) {
373                if (is_numeric($block_id)) {
374                    // Updated block
375                    DB::table('block')
376                        ->where('block_id', '=', $block_id)
377                        ->update([
378                            'block_order' => $block_order,
379                            'location'    => $location,
380                        ]);
381                } else {
382                    // New block
383                    DB::table('block')->insert([
384                        'gedcom_id'   => $tree_id,
385                        'location'    => $location,
386                        'block_order' => $block_order,
387                        'module_name' => $block_id,
388                    ]);
389                }
390            }
391        }
392    }
393
394    /**
395     * Take a list of block names, and return block (module) objects.
396     *
397     * @param Collection<string>                   $blocks
398     * @param Collection<int,ModuleBlockInterface> $active_blocks
399     *
400     * @return Collection<int,ModuleBlockInterface>
401     */
402    private function filterActiveBlocks(Collection $blocks, Collection $active_blocks): Collection
403    {
404        return $blocks->map(static function (string $block_name) use ($active_blocks): ?ModuleBlockInterface {
405            return $active_blocks->filter(static function (ModuleInterface $block) use ($block_name): bool {
406                return $block->name() === $block_name;
407            })->first();
408        })->filter();
409    }
410}
411