Merge pull request #299 from LD-Reborn/256-feature-admin-settings-page---front-end

256 feature admin settings page   front end

src/Controllers/SettingsController.cs

@@ -33,7 +33,15 @@ public class SettingsController : Controller
     public async Task<IActionResult> AdminAsync()
     {
         AdminSettingsModel adminSettingsModel = await _ldap.GetAdminSettingsModelAsync();
-        return View();
+        return View(adminSettingsModel);
+    }
+
+    [Authorize]
+    [HttpGet("Presets")]
+    public async Task<Dictionary<string, Preset>> PresetsAsync()
+    {
+        AdminSettingsModel adminSettingsModel = await _ldap.GetAdminSettingsModelAsync();
+        return adminSettingsModel.Presets;
     }
 
     [Authorize(Roles = "CanManageSettings")]

src/Resources/Views.Home.Assets.de.resx

@@ -178,4 +178,13 @@
     <data name="Date" xml:space="preserve">
         <value>Datum</value>
     </data>
+    <data name="Preset" xml:space="preserve">
+        <value>Vorlage</value>
+    </data>
+    <data name="Select preset" xml:space="preserve">
+        <value>Vorlage auswählen</value>
+    </data>
+    <data name="Apply preset" xml:space="preserve">
+        <value>Vorlage anwenden</value>
+    </data>
 </root>

src/Resources/Views.Settings.Admin.resx

@@ -0,0 +1,91 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+    <resheader name="resmimetype">
+        <value>text/microsoft-resx</value>
+    </resheader>
+    <resheader name="version">
+        <value>2.0</value>
+    </resheader>
+    <resheader name="reader">
+        <value>System.Resources.ResXResourceReader, System.Windows.Forms, ...</value>
+    </resheader>
+    <resheader name="writer">
+        <value>System.Resources.ResXResourceWriter, System.Windows.Forms, ...</value>
+    </resheader>
+
+  <data name="Users" xml:space="preserve">
+    <value>Benutzer</value>
+  </data>
+
+  <data name="General settings" xml:space="preserve">
+    <value>Allgemeine Einstellungen</value>
+  </data>
+
+  <data name="Default hash algorithm" xml:space="preserve">
+    <value>Standard-Hashalgorithmus</value>
+  </data>
+
+  <data name="Barcode type" xml:space="preserve">
+    <value>Barcode-Typ</value>
+  </data>
+
+  <data name="Barcode text" xml:space="preserve">
+    <value>Barcode-Text</value>
+  </data>
+
+  <data name="Max downloadable user image size" xml:space="preserve">
+    <value>Maximale Download-Größe für Benutzerbilder</value>
+  </data>
+
+  <data name="Presets" xml:space="preserve">
+    <value>Vorlagen</value>
+  </data>
+
+  <data name="Preset name" xml:space="preserve">
+    <value>Name der Vorlage</value>
+  </data>
+
+  <data name="Attributes" xml:space="preserve">
+    <value>Attribute</value>
+  </data>
+
+  <data name="Name" xml:space="preserve">
+    <value>Name</value>
+  </data>
+
+  <data name="Value" xml:space="preserve">
+    <value>Wert</value>
+  </data>
+
+  <data name="Delete attribute" xml:space="preserve">
+    <value>Attribut löschen</value>
+  </data>
+
+  <data name="Add attribute" xml:space="preserve">
+    <value>Attribut hinzufügen</value>
+  </data>
+
+  <data name="Delete preset" xml:space="preserve">
+    <value>Vorlage löschen</value>
+  </data>
+
+  <data name="Add preset" xml:space="preserve">
+    <value>Vorlage hinzufügen</value>
+  </data>
+
+  <data name="Apply settings and update presets" xml:space="preserve">
+    <value>Einstellungen übernehmen und Vorlagen aktualisieren</value>
+  </data>
+
+  <data name="Settings updated successfully" xml:space="preserve">
+    <value>Einstellungen erfolgreich aktualisiert</value>
+  </data>
+
+  <data name="Unknown error" xml:space="preserve">
+    <value>Unbekannter Fehler</value>
+  </data>
+
+  <data name="Error contacting server" xml:space="preserve">
+    <value>Fehler bei der Kommunikation mit dem Server</value>
+  </data>
+</root>

src/Resources/Views.Shared._Layout.de.resx

@@ -43,7 +43,13 @@
     <data name="Error loading locations" xml:space="preserve">
         <value>Fehler beim Laden der Orte</value>
     </data>
+    <data name="Error loading presets" xml:space="preserve">
+        <value>Fehler beim Laden der Vorlagen</value>
+    </data>
     <data name="Select user" xml:space="preserve">
         <value>Benutzer auswählen</value>
     </data>
+    <data name="Select preset" xml:space="preserve">
+        <value>Vorlage auswählen</value>
+    </data>
 </root>

src/Views/Home/Assets.cshtml

@@ -1,11 +1,14 @@
+@using Berufsschule_HAM.Services
 @using Microsoft.AspNetCore.Mvc.Localization
 @using Berufsschule_HAM.Models
 @model HomeIndexViewModel
 @inject IViewLocalizer T
-@inject IConfiguration Configuration
+@inject LdapService ldap
 @{
     ViewData["Title"] = T["Assets"];
-    string barcodeType = Configuration["BarcodeType"] ?? "EAN13";
+    var adminSettingsModel = await ldap.GetAdminSettingsModelAsync();
+    string barcodeType = adminSettingsModel.BarcodeType ?? "EAN13";
+    string barcodeText = adminSettingsModel.BarcodeText ?? "HAM";
 }
 <link href="https://cdn.jsdelivr.net/npm/tom-select/dist/css/tom-select.bootstrap5.min.css" rel="preload" as="style" onload="this.onload=null;this.rel='stylesheet'"/>
 <script src="https://cdn.jsdelivr.net/npm/tom-select/dist/js/tom-select.complete.min.js" defer></script>
@@ -192,6 +195,18 @@
 
                         <hr class="my-3" />
 
+                        <h4 class="fw-bold">@T["Preset"]</h4>
+                        <div class="col-md-8">
+                            <select class="form-select" name="Preset" aria-label="@T["Preset"]" id="createPresetSelect">
+                                <option value="">@T["Select preset"]</option>
+                            </select>
+                        </div>
+                        <div class="col-md-4">
+                            <button type="button" id="createPresetApply" class="btn btn-sm btn-warning">@T["Apply preset"]</button>
+                        </div>
+
+                        <hr class="my-3" />
+
                         <!-- Description Section -->
                         <h4 class="fw-bold">@T["Description"]</h4>
                         <div class="col-md-6">
@@ -254,7 +269,7 @@
 </div>
 
 
-<script>
+<script defer>
     document.addEventListener('DOMContentLoaded', () => {
         // Open modal if URL contains parameter: CreateModal=true
         const urlParams = new URLSearchParams(window.location.search);
@@ -803,11 +818,77 @@ document.addEventListener('DOMContentLoaded', () => {
     createModal.addEventListener('show.bs.modal', async () => {
         const selectLocations = createModal.querySelector('#createLocationSelect');
         await loadLocationsIntoSelect(selectLocations);
+        const selectPresets = createModal.querySelector('#createPresetSelect');
+        await loadPresetsIntoSelect(selectPresets);        
         const selectUsers = createModal.querySelector('#createUsersSelect');
         await loadUsersIntoSelect(selectUsers);
     });
 });
 
+document.addEventListener('DOMContentLoaded', () => {
+    const presetApplyButton = document.getElementById('createPresetApply');
+    presetApplyButton.addEventListener('click', async () => {
+        const response = await fetch('/Settings/Presets');
+        const responseJson = await response.json();
+        const presetSelect = document.getElementById('createPresetSelect');
+        const presetSelectValue = presetSelect.value;
+        if (responseJson[presetSelectValue]) {
+            const attributesContainer = document.getElementById('attributesContainer');
+            var attributes = responseJson[presetSelectValue].attribute;
+            for (var attributeKey in attributes) {
+                var attributeValue = attributes[attributeKey];
+                if (attributeKey == "Type" || attributeKey == "@T["Type"]") {
+                    document.getElementById("createType").setAttribute("value", attributeValue);
+                } else if (attributeKey == "Make" || attributeKey == "@T["Make"]") {
+                    document.getElementById("createMake").setAttribute("value", attributeValue);
+                } else if (attributeKey == "Model" || attributeKey == "@T["Model"]") {
+                    document.getElementById("createModel").setAttribute("value", attributeValue);
+                } else if (attributeKey == "Purchase Date" || attributeKey == "@T["Purchase Date"]") {
+                    document.getElementById("createPurchaseDate").setAttribute("value", attributeValue);
+                } else if (attributeKey == "Purchase Value" || attributeKey == "@T["Purchase Value"]") {
+                    document.getElementById("createPurchaseValue").setAttribute("value", attributeValue);
+                } else if (attributeKey == "Purchased At" || attributeKey == "@T["Purchased At"]") {
+                    document.getElementById("createPurchaseAt").setAttribute("value", attributeValue);
+                } else if (attributeKey == "Purchased By" || attributeKey == "@T["Purchased By"]") {
+                    document.getElementById("createPurchaseBy").setAttribute("value", attributeValue);
+                } else if (attributeKey == "Location" || attributeKey == "@T["Location"]") {
+                    document.getElementById("createLocationSelect-ts-control").value = attributeValue;
+                    document.getElementById("createLocationSelect").value = attributeValue;
+                } else if (attributeKey == "User" || attributeKey == "@T["User"]") {
+                    document.getElementById("createUsersSelect-ts-control").value = attributeValue;
+                    document.getElementById("createUsersSelect").value = attributeValue;
+                } else if (attributeKey == "Name" || attributeKey == "@T["Name"]") {
+                    document.getElementById("createName").value = attributeValue;
+                } else if (attributeKey == "Serial Number" || attributeKey == "@T["Serial Number"]") {
+                    document.getElementById("createSerialNumber").value = attributeValue;
+                } else {
+                    var nameInputs = attributesContainer.querySelectorAll("input[data-attr-name]");
+                    var anyEquals = false;
+                    var anyEqualsElement = null;
+                    nameInputs.forEach(element => {
+                        if (element.value == attributeKey) {
+                            anyEquals = true;
+                            anyEqualsElement = element.nextElementSibling;
+                            return;
+                        }
+                    });
+                    if (anyEquals) {
+                        anyEqualsElement.value = attributeValue;
+                    } else {
+                        const row = document.createElement('div');
+                        row.className = 'd-flex gap-2 align-items-center attribute-row';
+                        row.innerHTML = `
+                            <input type="text" class="form-control" placeholder="@T["Attribute name"]" data-attr-name value="${attributeKey}" />
+                            <input type="text" class="form-control" placeholder="@T["Attribute value"]" data-attr-value value="${attributeValue}" />
+                            <button type="button" class="btn btn-danger btn-sm btn-remove-attribute">@T["Remove"]</button>
+                        `;
+                        attributesContainer.appendChild(row);
+                    }
+                }
+            }
+        }
+    });
+});
 </script>
 <!-- TomSelect dropdowns -->
 <script>
@@ -859,6 +940,28 @@ document.addEventListener('DOMContentLoaded', () => {
 
         initUsersSelect(createUsersSelect);
         initUsersSelect(updateUsersSelect);
+
+        const createPresetsSelect = document.getElementById('createPresetsSelect');
+
+        async function initPresetsSelect(selectElement) {
+            if (!selectElement) return;
+            await loadPresetsIntoSelect(selectElement);
+            new TomSelect(selectElement, {
+                plugins: ['clear_button'],
+                create: false,
+                sortField: { field: 'text', direction: 'asc' },
+                placeholder: '@T["Select user"]',
+                maxOptions: 500, // avoid performance hit if there are many
+                render: {
+                    no_results: function(data, escape) {
+                        return `<div class="no-results">@T["No presets found"]</div>`;
+                    }
+                }
+            });
+        }
+
+        initPresetsSelect(createPresetsSelect);
+
     });
 
 </script>

src/Views/Home/Users.cshtml

@@ -235,33 +235,6 @@
 </div>
 
 <script>
-
-    function unflatten(obj) {
-        const result = {};
-        for (const [key, value] of Object.entries(obj)) {
-            const parts = key.split(".");
-            let current = result;
-            for (let i = 0; i < parts.length; i++) {
-                const part = parts[i];
-                if (i === parts.length - 1) {
-                    if (typeof value === "string" && /^[\[{]/.test(value.trim())) {
-                        try {
-                            current[part] = JSON.parse(value);
-                        } catch {
-                            current[part] = value;
-                        }
-                    } else {
-                        current[part] = value;
-                    }
-                } else {
-                    current[part] = current[part] || {};
-                    current = current[part];
-                }
-            }
-        }
-        return result;
-    }
-
     document.addEventListener('DOMContentLoaded', () => {
         // --- Update user modal ---
         const updateModal = document.getElementById('updateModal');

src/Views/Settings/Admin.cshtml

@@ -1 +1,351 @@
-<h3>Empty view lol</h3>
+@using Berufsschule_HAM.Services
+@using Microsoft.AspNetCore.Html
+@using Microsoft.AspNetCore.Mvc.Localization
+@using Berufsschule_HAM.Models
+@using System.Buffers.Text
+@using System.Text.Json;
+@using System.Text.Json.Serialization;
+@model AdminSettingsModel
+@inject IViewLocalizer T
+@inject LdapService ldap
+@{
+    ViewData["Title"] = T["Users"];
+}
+
+<form id="updateSettings" style="margin-bottom: 4rem !important" method="post" asp-controller="Settings" asp-action="Admin">
+    <div class="row g-3">
+        <h4 class="fw-bold">@T["General settings"]</h4>
+        <div class="col-md-6">
+            <label class="form-label" for="updateHashAlgorithm">@T["Default hash algorithm"]</label>
+            <select type="text" name="DefaultHashAlgorithm" id="updateHashAlgorithm" class="form-control">
+                @foreach (string algorithm in ldap.HashAlgorithms.Keys)
+                {
+                    bool selected = algorithm == Model.DefaultHashAlgorithm;
+                    <option value="@algorithm" selected="@selected">@algorithm</option>                    
+                }
+            </select>
+        </div>
+        <div class="col-md-6">
+            <label class="form-label" for="updateBarcodeType">@T["Barcode type"]</label>
+            <select type="text" name="BarcodeType" id="updateBarcodeType" class="form-control" />
+                <option selected="@(Model.BarcodeType == "code128c")" value="code128c">CODE128C</option>
+                <option selected="@(Model.BarcodeType == "ean13")" value="ean13">EAN13</option>
+                <option selected="@(Model.BarcodeType == "ean8")" value="ean8">EAN8</option>
+                <option selected="@(Model.BarcodeType == "upc")" value="upc">UPC</option>
+                <option selected="@(Model.BarcodeType == "itf14")" value="itf14">ITF14</option>
+                <option selected="@(Model.BarcodeType == "itf")" value="itf">ITF</option>
+            </select>
+        </div>
+        <div class="col-md-6">
+            <label class="form-label" for="updateBarcodeText">@T["Barcode text"]</label>
+            <input type="text" name="BarcodeText" id="updateBarcodeText" class="form-control" value="@Model.BarcodeText" />
+        </div>
+        <div class="col-md-6">
+            <label class="form-label" for="updateMaxDownloadableUserImageSize">@T["Max downloadable user image size"]</label>
+            <input type="number" id="updateMaxDownloadableUserImageSize" name="MaxDownloadableUserImageSize" class="form-control" value="@Model.MaxDownloadableUserImageSize" />
+        </div>
+    </div>
+    <div class="mt-3 p-2 bg border rounded d-flex justify-content-between align-items-center"
+        data-bs-toggle="collapse"
+        data-bs-target="#presetsCollapse"
+        style="cursor: pointer;">
+
+        <h4 class="fw-bold m-0">@T["Presets"]</h4>
+        <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor"
+            viewBox="0 0 16 16" class="chevron-svg">
+            <path fill-rule="evenodd"
+                d="M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z"/>
+        </svg>
+    </div>
+    <div class="row g-3 collapse" id="presetsCollapse">
+        @foreach (var preset in Model.Presets)
+        {
+            <div class="col-md-6">
+                <div class="border rounded p-3 mb-3" data-preset-id="@(preset.Key)">
+                    <label class="form-label" for="Presets.@(preset.Key).Key">@T["Preset name"]</label>
+                    <input class="form-control mb-3" id="Presets.@(preset.Key).Key" name="Presets.@(preset.Key).Key" value="@preset.Key"/>
+                    <label class="form-label">@T["Attributes"]</label>
+                    @foreach (var attr in preset.Value.Attribute)
+                    {
+                        <div class="row mb-2" data-type="attribute">
+                            <div class="col-md-3 mt-2">
+                                <input class="form-control"
+                                    name="Presets.@(preset.Key).Attribute.@(attr.Key).Key"
+                                    value="@attr.Key" placeholder="@T["Name"]" aria-label="@T["Name"]" />
+                            </div>
+                            <div class="col-md-5 mt-2">
+                                <input class="form-control"
+                                    name="Presets.@(preset.Key).Attribute.@(attr.Key).Value"
+                                    value="@attr.Value" placeholder="@T["Value"]" aria-label="@T["Value"]" />
+                            </div>
+                            <div class="col-md-4 mt-2">
+                                <button type="button" class="btn btn-danger" data-type="deleteAttribute">@T["Delete attribute"]</button>
+                            </div>
+                        </div>
+                    }
+                    <div class="row mb-2">
+                        <div class="col-md-8 mt-2">
+                            <button type="button" class="btn btn-danger" data-type="deletePreset">@T["Delete preset"]</button>
+                        </div>
+                        <div class="col-md-4 ms-auto mt-2">
+                            <button type="button" class="btn btn-primary" data-type="addAttribute">@T["Add attribute"]</button>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        }
+        <div class="col-md-12 mt-2">
+            <button type="button" class="btn btn-primary" data-type="addPreset">@T["Add preset"]</button>
+        </div>
+    </div>
+    <button type="submit" class="btn btn-warning float-end mt-3">@T["Apply settings and update presets"]</button>
+</form>
+
+<script defer>
+    document.addEventListener('DOMContentLoaded', () => {
+        const updateForm = document.getElementById('updateSettings');
+        updateForm.addEventListener('submit', async e => {
+            e.preventDefault();
+            const url = `/Settings/Admin`;
+            const dataFromEntries = Object.fromEntries(new FormData(updateForm).entries());
+            var data = unflatten(dataFromEntries);
+            var presets = {};
+            for (var preset in data.Presets) {
+                for (var attribute in data.Presets[preset].Attribute) {
+                    var key = data.Presets[preset].Attribute[attribute].Key;
+                    var value = data.Presets[preset].Attribute[attribute].Value;
+                    delete(data.Presets[preset].Attribute[attribute]);
+                    data.Presets[preset].Attribute[key] = value;
+                }
+                var presetKey = data.Presets[preset].Key;
+                delete(data.Presets[preset].Key);
+                var tempPreset = data.Presets[preset];
+                delete(data.Presets[preset]);
+                data.Presets[presetKey] = tempPreset;
+            }
+            var temp = data;
+            data = {};
+            data.AdminSettingsModel = temp;
+            try {
+                const response = await fetch(url, {
+                    method: 'PUT',
+                    headers: {
+                        'Content-Type': 'application/json',
+                        'Accept': 'application/json'
+                    },
+                    body: JSON.stringify(data)
+                });
+
+                const result = await response.json();
+
+                if (result.Success) {
+                    showToast('@T["Settings updated successfully"]', 'success');
+                } else {
+                    showToast(`${result.reason}: ${result.exception || '@T["Unknown error"]'}`, 'danger');
+                }
+            } catch (error) {
+                console.error(error);
+                showToast('@T["Error contacting server"]', 'danger');
+            }
+        });
+    });
+
+
+    function addAttribute(presetContainer, presetKey) {
+        const attributeId = crypto.randomUUID();
+
+        const row = document.createElement('div');
+        row.classList.add('row', 'mb-2');
+
+        row.innerHTML = `
+            <div class="col-md-3">
+                <input class="form-control"
+                    name="Presets.${presetKey}.Attribute.${attributeId}.Key"
+                    value="" />
+            </div>
+            <div class="col-md-5">
+                <input class="form-control"
+                    name="Presets.${presetKey}.Attribute.${attributeId}.Value"
+                    value="" />
+            </div>
+            <div class="col-md-4">
+                <button type="button" class="btn btn-danger btn-delete-attr">
+                    ${presetContainer.dataset.deleteAttributeText}
+                </button>
+            </div>
+        `;
+
+        presetContainer.querySelector('.attributes').appendChild(row);
+    }
+
+    document.querySelectorAll('[data-bs-toggle="collapse"]').forEach(toggler => {
+        toggler.addEventListener('click', async () => {
+            const icon = toggler.querySelector('.chevron-svg');
+            icon.classList.toggle('rotate');
+            var target = document.querySelector(toggler.dataset.bsTarget);
+            while (target.classList.contains('collapsing')) {
+                await sleep(10);
+            }
+            icon.parentElement.classList.toggle("no-bottom-border");
+            const collapseId = toggler.dataset.bsTarget.replace('#', '');
+            const isCollapsed = target.classList.contains('show');
+            // Update URL parameter
+            const url = new URL(window.location);
+            url.searchParams.set(collapseId, isCollapsed); // true = open, false = collapsed
+            window.history.replaceState({}, '', url);
+        });
+    });
+
+    document.addEventListener('DOMContentLoaded', () => {
+        const collapseElements = document.querySelectorAll('.collapse');
+
+        collapseElements.forEach(el => {
+            const paramValue = new URL(window.location).searchParams.get(el.id);
+            if (paramValue === 'true') {
+                el.classList.add('show');
+                const toggler = document.querySelector(`[data-bs-target="#${el.id}"]`);
+                if (toggler) {
+                    toggler.querySelector('.chevron-svg')?.classList.add('rotate');
+                    toggler.classList.add('no-bottom-border');
+                }
+            } else {
+                el.classList.remove('show');
+            }
+        });
+    });
+
+    document.querySelectorAll('button[data-type="addAttribute"]').forEach(btn => {
+        addAddAttributeEventListener(btn);
+    });
+
+    document.querySelectorAll('button[data-type="deleteAttribute"]').forEach(btn => {
+        addRemoveAttributeEventListener(btn);
+    });
+
+    document.querySelectorAll('button[data-type="deletePreset"]').forEach(btn => {
+        addDeletePresetEventListener(btn);
+    });
+
+    document.querySelectorAll('button[data-type="addPreset"]').forEach(btn => {
+        addAddPresetEventListener(btn);
+    });
+
+    function addAddAttributeEventListener(button) {
+        button.addEventListener('click', e => {
+            const presetContainer = e.target.closest('.border.rounded.p-3.mb-3');
+            if (!presetContainer) return;
+
+            const presetKey = presetContainer.getAttribute("data-preset-id");
+            if (!presetKey) return;
+
+            // Container für Attribute suchen
+            let attributesContainer = presetContainer.querySelector('.attributes');
+            if (!attributesContainer) {
+                // Falls nicht vorhanden -> dynamisch anlegen (optional)
+                attributesContainer = document.createElement('div');
+                attributesContainer.classList.add('attributes');
+                presetContainer.insertBefore(attributesContainer, presetContainer.querySelector('.row.mb-4'));
+            }
+
+            const attributeId = crypto.randomUUID();
+
+            const row = document.createElement('div');
+            row.classList.add('row', 'mb-2');
+            row.setAttribute('data-type', 'attribute');
+
+            row.innerHTML = `
+                <div class="col-md-3">
+                    <input class="form-control"
+                        name="Presets.${presetKey}.Attribute.${attributeId}.Key"
+                        value="" />
+                </div>
+                <div class="col-md-5">
+                    <input class="form-control"
+                        name="Presets.${presetKey}.Attribute.${attributeId}.Value"
+                        value="" />
+                </div>
+                <div class="col-md-4">
+                    <button type="button" class="btn btn-danger" data-type="deleteAttribute">
+                        ${presetContainer.dataset.deleteAttributeText || 'Delete attribute'}
+                    </button>
+                </div>
+            `;
+
+            attributesContainer.appendChild(row);
+
+            // Delete-Button Eventlistener aktivieren
+            const deleteButton = row.querySelector('button[data-type="deleteAttribute"]');
+            addRemoveAttributeEventListener(deleteButton);
+        });
+    }
+
+    function addRemoveAttributeEventListener(button) {
+        button.addEventListener('click', e => {
+            const row = e.target.closest('div[data-type="attribute"]');
+            row.remove();
+        });
+    }
+
+    function addDeletePresetEventListener(button) {
+        button.addEventListener('click', e => {
+            const presetContainer = e.target.closest('.col-md-6');
+            if (!presetContainer) return;
+            presetContainer.remove();
+        });
+    }
+
+    function addAddPresetEventListener(button) {
+        button.addEventListener('click', e => {
+            // Presets-Container: der nächste Block über dem Button, der die Presets enthält
+            const presetsButton = button.closest('button[data-type="addPreset"]');
+            if (!presetsButton) return;
+
+            const presetId = crypto.randomUUID();
+
+            // Preset-Block erstellen
+            const presetDiv = document.createElement('div');
+            presetDiv.classList.add('col-md-6');
+            presetDiv.innerHTML = `
+                <div class="border rounded p-3 mb-3" data-preset-id="${presetId}">
+                    <label class="form-label" for="Presets.${presetId}.Key">@T["Preset name"]</label>
+                    <input class="form-control mb-3" id="Presets.${presetId}.Key" name="Presets.${presetId}.Key" value=""/>
+                    <label class="form-label">@T["Attributes"]</label>
+                    <div class="attributes"></div>
+                    <div class="row mb-4">
+                        <div class="col-md-4">
+                            <button type="button" class="btn btn-danger" data-type="deletePreset">Delete preset</button>
+                        </div>
+                        <div class="col-md-4 ms-auto">
+                            <button type="button" class="btn btn-primary" data-type="addAttribute">Add attribute</button>
+                        </div>
+                    </div>
+                </div>
+            `;
+
+            // Einfach ans Ende der Container-Liste hängen
+            presetsButton.parentElement.parentElement.insertBefore(presetDiv, presetsButton.parentElement);
+
+            // Eventlistener für den neuen Preset-Block aktivieren
+            const addAttrBtn = presetDiv.querySelector('button[data-type="addAttribute"]');
+            const deletePresetBtn = presetDiv.querySelector('button[data-type="deletePreset"]');
+
+            addAddAttributeEventListener(addAttrBtn);
+            addDeletePresetEventListener(deletePresetBtn);
+        });
+    }
+</script>
+
+<style defer>
+    .chevron-svg {
+        transition: transform 0.2s ease;
+    }
+
+    .chevron-svg.rotate {
+        transform: rotate(180deg);
+    }
+
+    .no-bottom-border {
+        border-bottom: none !important;
+        border-radius: 0.5rem 0.5rem 0 0 !important;
+    }
+</style>

src/Views/Shared/_Layout.cshtml

@@ -25,7 +25,9 @@
             selectLocation: '@T["Select location"]',
             errorLoadingLocations: '@T["Error loading locations"]',
             selectUser: '@T["Select user"]',
-            errorLoadingUsers: '@T["Error loading users"]'
+            selectPreset: '@T["Select preset"]',
+            errorLoadingUsers: '@T["Error loading users"]',
+            errorLoadingPresets: '@T["Error loading presets"]'
         };
     </script>
 </head>

src/wwwroot/js/site.js

@@ -240,3 +240,65 @@ function validatePassword(password) {
         /^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[!@#$%^&*()_\-+=\[{\]};:'",<.>/?\\|`~]).{8,}$/;
     return strongPasswordRegex.test(password);
 }
+
+function unflatten(obj) {
+    const result = {};
+    for (const [key, value] of Object.entries(obj)) {
+        const parts = key.split(".");
+        let current = result;
+        for (let i = 0; i < parts.length; i++) {
+            const part = parts[i];
+            if (i === parts.length - 1) {
+                if (typeof value === "string" && /^[\[{]/.test(value.trim())) {
+                    try {
+                        current[part] = JSON.parse(value);
+                    } catch {
+                        current[part] = value;
+                    }
+                } else {
+                    current[part] = value;
+                }
+            } else {
+                current[part] = current[part] || {};
+                current = current[part];
+            }
+        }
+    }
+    return result;
+}
+
+function sleep(ms) {
+    return new Promise(resolve => setTimeout(resolve, ms));
+}
+
+async function loadPresetsIntoSelect(selectElement, selectedValue = null) {
+    try {
+        const response = await fetch('/Settings/Presets');
+        const responseJson = await response.json();
+        var presets = [];
+        for (var key in responseJson) {
+            presets.push(key);
+        }
+        console.log(presets);
+        const ts = selectElement.tomselect;
+        if (!ts) {
+            selectElement.innerHTML = `<option value="">${appTranslations.selectPreset}</option>`;
+            presets.forEach(u => {
+                const opt = document.createElement('option');
+                opt.value = u;
+                opt.textContent = u;
+                selectElement.appendChild(opt);
+            });
+            return;
+        }
+        
+        ts.clearOptions();
+        ts.addOption(presets.map(u => ({ value: u, text: u })));
+        ts.refreshOptions(false);
+
+        if (selectedValue) ts.setValue(selectedValue);
+    } catch (err) {
+        console.error('Error loading presets:', err);
+        showToast(appTranslations.errorLoadingPresets, 'danger');
+    }
+}