src/Controller/CommunityController.php

@@ -176,6 +176,43 @@ class CommunityController implements IAuthenticationRequired
         ]);
     }
 
+    public function deleteCommunity(): ?IContent
+    {
+        if (!$this->checkPermission(\Container::$request->query('communitySlug'), true, $community, $ownCommunityMember)) {
+            return null;
+        }
+
+        if ($this->transactionRepository->countAllByCommunity($community) > 0) {
+            return new JsonContent([
+                'error' => ['errorText' => 'There are transactions for this community!']
+            ]);
+        }
+
+        if ($this->eventRepository->countAllByCommunity($community) > 0) {
+            return new JsonContent([
+                'error' => ['errorText' => 'There are events for this community!']
+            ]);
+        }
+
+        foreach ($this->communityMemberRepository->getAllByCommunity($community) as $communityMember) {
+            \Container::$persistentDataManager->deleteFromDb($communityMember);
+        }
+
+        $community->setMainCurrencyId(null);
+        \Container::$persistentDataManager->saveToDb($community);
+
+        foreach ($this->currencyRepository->getAllByCommunity($community) as $currency) {
+            foreach ($this->currencyExchangeRatesRepository->getAllByCurrency($currency) as $currencyExchangeRate) {
+                \Container::$persistentDataManager->deleteFromDb($currencyExchangeRate);
+            }
+            \Container::$persistentDataManager->deleteFromDb($currency);
+        }
+
+        \Container::$persistentDataManager->deleteFromDb($community);
+
+        return new JsonContent(['success' => true]);
+    }
+
     public function getMembersEdit(): ?IContent
     {
         if (!$this->checkPermission(\Container::$request->query('communitySlug'), true, $community, $ownCommunityMember)) {

src/PersistentData/Model/Community.php

@@ -33,12 +33,12 @@ class Community extends ModelWithSlug
         $this->currency = $currency;
     }
 
-    public function setMainCurrency(Currency $mainCurrency): void
+    public function setMainCurrency(?Currency $mainCurrency): void
     {
         $this->mainCurrency = $mainCurrency;
     }
 
-    public function setMainCurrencyId(int $mainCurrencyId): void
+    public function setMainCurrencyId(?int $mainCurrencyId): void
     {
         $this->mainCurrencyId = $mainCurrencyId;
     }

views/communities/community_edit.php

@@ -25,9 +25,15 @@
                 <input type="number" class="text big fullWidth" name="main_currency_round_digits" min="0" max="9" required>
             <?php endif; ?>
             <p id="communityFormError" class="formError justify marginTop"></p>
-            <div class="right marginTop">
+            <div class="right marginTop" style="font-size: 0;">
                 <button type="submit" name="submit_button"><?= isset($community) ? '<i class="fa-regular fa-floppy-disk"></i> Save' : '<i class="fa-regular fa-plus"></i> Create' ?></button>
+                <?php if (isset($community)): ?>
+                    <button type="submit" form="deleteCommunity" name="submit_button" data-confirmation="Are you sure you want to delete this community?" class="red marginLeft"><i class="fa-regular fa-trash-can"></i> Delete</button>
+                <?php endif; ?>
             </div>
         </form>
+        <?php if (isset($community)): ?>
+            <form id="deleteCommunity" action="<?= Container::$routeCollection->getRoute('community.delete-action')->generateLink(['communitySlug' => $community->getSlug()]) ?>" method="post" data-redirect-on-success="<?= Container::$routeCollection->getRoute('home')->generateLink() ?>"></form>
+        <?php endif; ?>
     </div>
 @endsection

web.php

@@ -70,6 +70,7 @@ Container::$routeCollection->group('communities', function (RouteCollection $rou
         $routeCollection->get('community.settings', 'settings', [CommunityController::class, 'getCommunitySettings']);
         $routeCollection->get('community.edit', 'edit', [CommunityController::class, 'getCommunityEdit']);
         $routeCollection->post('community.edit-action', 'edit', [CommunityController::class, 'saveCommunity']);
+        $routeCollection->post('community.delete-action', 'delete', [CommunityController::class, 'deleteCommunity']);
         $routeCollection->get('community.members', 'members', [CommunityController::class, 'getMembersEdit']);
         $routeCollection->post('community.members.new-action', 'members/new', [CommunityController::class, 'saveMember']);
         $routeCollection->post('community.members.edit-action', 'members/edit', [CommunityController::class, 'saveMember']);