added ajax error handling

public/assets/js/functions.js

@@ -30,8 +30,15 @@ function editAddress(id) {
             .then(
                 response => response.text()
             ).then(
-                html => console.log(html)
+            json => {
-            );
+                let jsonObject = JSON.parse(json)
+                if (jsonObject.status === 200) {
+                    setInfo('Data successfully saved.')
+                } else {
+                    setError(jsonObject.message);
+                }
+            }
+        );
 
         document.getElementById('first_' + id).disabled = true
         document.getElementById('last_' + id).disabled = true
@@ -66,8 +73,15 @@ function deleteAddress(id) {
             .then(
                 response => response.text()
             ).then(
-                html => console.log(html)
+            json => {
-            );
+                let jsonObject = JSON.parse(json)
+                if (jsonObject.status === 200) {
+                    setInfo('Data successfully saved.')
+                } else {
+                    setError(jsonObject.message);
+                }
+            }
+        );
         let row = document.getElementById('row_' + id)
         row.parentNode.removeChild(row)
     }
@@ -132,6 +146,43 @@ function sortBy(column) {
     }
 }
 
+
+function setInfo(info) {
+    const infoBox = document.getElementById('info_box')
+    infoBox.innerHTML = info
+    infoBox.style.display = 'block'
+    infoBox.classList.add('panel_float')
+    setTimeout(() => {
+        infoBox.style.display = 'none'
+    }, 2500)
+}
+
+function setError(error) {
+    const errorBox = document.getElementById('error_box')
+    const errorText = document.getElementById('error_text')
+    const infoButton = document.getElementById('info_button')
+    if (errorBox.style.display === 'block') {
+        errorBox.style.display = 'none'
+        return
+    }
+    if (infoButton != null) {
+        infoButton.disabled = true
+    }
+    errorText.innerHTML = error
+    errorBox.style.display = 'block'
+    errorBox.classList.add('panel_float')
+}
+
+function closeError() {
+    const errorBox = document.getElementById('error_box')
+    const infoButton = document.getElementById('info_button')
+    if (infoButton) {
+        infoButton.disabled = false
+    }
+    errorBox.style.display = 'none'
+
+}
+
 document.addEventListener('DOMContentLoaded', () => {
     const table = document.getElementById('address_table') || false
     if (table) {

public/assets/styles/main.css

@@ -36,3 +36,92 @@ label {
     display: block;
     padding: 1ex;
 }
+
+.panel_float {
+    position: fixed;
+    overflow: hidden;
+    z-index: 2400;
+    opacity: 0.70;
+    margin: auto;
+    top: 110px !important;
+    -webkit-transition: all 0.5s ease-in-out;
+    -moz-transition: all 0.5s ease-in-out;
+    -ms-transition: all 0.5s ease-in-out;
+    -o-transition: all 0.5s ease-in-out;
+    transition: all 0.5s ease-in-out;
+}
+
+#info_box {
+    background-color: #3fc52a;
+    border: solid #cdcdcd;
+    border-radius: 5px;
+    color: #1f1f1f;
+    display: none;
+    padding: 10px;
+    font-weight: bold;
+    position: absolute;
+    z-index: 10;
+    width: 50%;
+    margin-left: 200px;
+    margin-right: 200px;
+}
+
+.info_button {
+    border-radius: 5px;
+    border: solid #cdcdcd;
+    color: #1f1f1f;
+    padding: 8px 32px;
+    text-align: center;
+    text-decoration: none;
+    display: inline-block;
+    font-size: 16px;
+    margin: 4px 2px;
+    background-color: #3fc52a;
+    transition-duration: 0.4s;
+    cursor: pointer;
+}
+
+#error_box {
+    background-color: #e06844;
+    border: solid #cdcdcd;
+    border-radius: 5px;
+    color: #1f1f1f;
+    display: none;
+    padding: 10px;
+    font-weight: bold;
+    position: absolute;
+    z-index: 10;
+    width: 50%;
+    margin-left: 200px;
+    margin-right: 200px;
+}
+
+.error_button {
+    border-radius: 5px;
+    border: solid #cdcdcd;
+    color: #1f1f1f;
+    padding: 8px 32px;
+    text-align: center;
+    text-decoration: none;
+    display: inline-block;
+    font-size: 16px;
+    margin: 4px 2px;
+    background-color: #e06844;
+    transition-duration: 0.4s;
+    cursor: pointer;
+}
+
+.close_button {
+    margin-left: 15px;
+    color: white;
+    font-weight: bold;
+    float: right;
+    font-size: 22px;
+    line-height: 20px;
+    cursor: pointer;
+    transition: 0.3s;
+}
+
+.close_button:hover {
+    color: black;
+}

src/Controller/AddressBookController.php

@@ -11,6 +11,7 @@ namespace App\Controller;
 
 use App\Entity\User;
 use App\Entity\AddressBookEntry;
+use App\Enums\StatusCode;
 use App\Enums\UserAuth;
 use App\Service\Router;
 use App\Service\Template;
@@ -71,16 +72,61 @@ class AddressBookController
     {
         $_POST = json_decode(json: file_get_contents(filename: "php://input"), associative: true);
 
-        $address = new AddressBookEntry(owner: $_POST['owner'], first: $_POST['first'], last: $_POST['last'], street: $_POST['street'], zip: $_POST['zip'], city: $_POST['city'], phone: $_POST['phone'], id: $_POST['id']);
+        if (empty($_POST)) {
-        $this->addressRepository->update(address: $address);
+            $this->template->renderJson(results: [
+                                                     'status'  => 400,
+                                                     'message' => 'BAD REQUEST'
+                                                 ]);
+        }
+
+        if ($address = new AddressBookEntry(owner: $_POST['owner'], first: $_POST['first'], last: $_POST['last'], street: $_POST['street'], zip: $_POST['zip'], city: $_POST['city'], phone: $_POST['phone'], id: $_POST['id'])) {
+            if ($this->addressRepository->update(address: $address)) {
+                $status  = 200;
+                $message = 'OK';
+            } else {
+                $status  = 400;
+                $message = 'BAD_REQUEST';
+            }
+        } else {
+            $status  = 400;
+            $message = "BAD REQUEST";
+        }
+
+        $this->template->renderJson(results: [
+                                                 'status'  => $status,
+                                                 'message' => $message
+                                             ]);
     }
 
     public function deleteAddress(): void
     {
-        echo "in del";
         $_POST = json_decode(json: file_get_contents(filename: "php://input"), associative: true);
+
+        if (empty($_POST)) {
+            $this->template->renderJson(results: [
+                                                     'status'  => 400,
+                                                     'message' => 'BAD REQUEST'
+                                                 ]);
+        }
+
         if ($address = $this->addressRepository->findByID(id: $_POST['id'])) {
-            $this->addressRepository->delete(addressBookEntry: $address);
+            if ($this->addressRepository->delete(addressBookEntry: $address)) {
+                $this->template->renderJson(results: [
+                                                         'status'  => 200,
+                                                         'message' => 'OK'
+                                                     ]);
+            } else {
+                $this->template->renderJson(results: [
+                                                         'status'  => 400,
+                                                         'message' => 'BAD REQUEST'
+                                                     ]);
+
+            }
+        } else {
+            $this->template->renderJson(results: [
+                                                     'status'  => 400,
+                                                     'message' => 'BAD REQUEST'
+                                                 ]);
         }
     }
 

src/Repository/AddressRepository.php

@@ -147,9 +147,7 @@ class AddressRepository
             $statement->bindParam(param: 'zip', var: $zip);
             $statement->bindParam(param: 'city', var: $city);
             $statement->bindParam(param: 'phone', var: $phone);
-            $statement->execute();
+            return $statement->execute();
-
-            return $statement->rowCount();
         } catch (PDOException $e) {
             echo $e->getMessage();
             return false;
@@ -167,9 +165,7 @@ class AddressRepository
             $statement = $this->databaseConnection->getConnection()->prepare(query: $sql);
             $id = $addressBookEntry->getId();
             $statement->bindParam(param: 'id', var: $id);
-            $statement->execute();
+            return $statement->execute();
-
-            return $statement->rowCount();
         } catch (PDOException $e) {
             exit($e->getMessage());
         }

src/Repository/UserRepository.php

@@ -137,7 +137,7 @@ class UserRepository
     }
 
 
-    public function update(User $user): bool|int
+    public function update(User $user): bool
     {
         $id = $user->getId();
         $nick = $user->getNick();
@@ -169,9 +169,7 @@ class UserRepository
             $statement->bindParam(param: 'first', var: $first);
             $statement->bindParam(param: 'last', var: $last);
             $statement->bindParam(param: 'is_admin', var: $isAdmin);
-            $statement->execute();
+            return $statement->execute();
-
-            return $statement->rowCount();
         } catch (PDOException $e) {
             echo $e->getMessage();
             return false;
@@ -179,7 +177,7 @@ class UserRepository
     }
 
 
-    public function delete(User $user): int
+    public function delete(User $user): bool
     {
         $sql = "
             DELETE FROM " . DatabaseConnection::TABLE_USERS . "
@@ -189,9 +187,7 @@ class UserRepository
             $statement = $this->databaseConnection->getConnection()->prepare(query: $sql);
             $id = $user->getId();
             $statement->bindParam(param: 'id', var: $id);
-            $statement->execute();
+            return $statement->execute();
-
-            return $statement->rowCount();
         } catch (PDOException $e) {
             exit($e->getMessage());
         }

src/Service/Template.php

@@ -41,4 +41,14 @@ class Template
         }
         exit(0);
     }
+
+    /*
+     * For AJAX calls, return json
+     */
+    public function renderJson(array $results): never
+    {
+        http_response_code(response_code: $results['status']);
+        echo json_encode(value: $results);
+        exit(0);
+    }
 }

templates/_header.html.php

@@ -18,5 +18,10 @@
 <?php else: ?>
     <a href="<?= $router->path('app_logout'); ?>">&#9099;&nbsp;Logout</a>
 <?php endif; ?>
-
+<br>
+<div id="info_box">Info</div>
+<div id="error_box">
+    <span class="close_button" onclick="closeError()">&times;</span>
+    <div id="error_text"></div>
+</div>
 <br>

templates/admin/index.html.php

@@ -1,6 +1,10 @@
 <?php include dirname(path: __DIR__) . '/_header.html.php'; ?>
 
+<br>
 <h1>Address Book - Admin</h1>
 <a href="<?= $router->path('app_admin_users'); ?>">&#128113;&nbsp;Users</a>
 
 <?php include dirname(path: __DIR__) . '/_footer.html.php' ?>
+
+<button type="button" class="info_button" id="info_button" onclick="setInfo('Test Info - auto hide')">Info</button>
+<button type="button" class="error_button" onclick="setError('Test Error - must be closed manually')">Error</button>