From 6fae2de15fbbaf83026388cbfab6488eb8bff3fd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mathias=20Gla=CC=88ser?= <mathias.glaeser@beaufort.ch>
Date: Sat, 19 Sep 2026 19:49:30 +0200
Subject: [PATCH] =?UTF-8?q?Neue=20Durchf=C3=BChrungen=20im=20M=C3=A4rkte-D?=
 =?UTF-8?q?rawer=20anlegen?=
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---
 modules/market_management/service.php | 12 ++++++++++++
 modules/shared/auth/ui/home.php       |  8 +++++++-
 public/api/market-occurrence.php      | 17 +++++++++++++++++
 3 files changed, 36 insertions(+), 1 deletion(-)

diff --git a/modules/market_management/service.php b/modules/market_management/service.php
index dccdb70..7075941 100644
--- a/modules/market_management/service.php
+++ b/modules/market_management/service.php
@@ -271,6 +271,18 @@ function market_management_get_market(PDO $pdo, int $marketId, bool $includeArch
     return $market;
 }
 
+function market_management_list_active_market_definitions(PDO $pdo): array
+{
+    $stmt = $pdo->query(
+        'SELECT m.id, m.name, m.category_id, c.name AS category_name
+         FROM market_definition m
+         INNER JOIN market_category c ON c.id = m.category_id
+         WHERE m.archived_at IS NULL
+         ORDER BY m.name ASC, m.id ASC'
+    );
+    return $stmt->fetchAll() ?: [];
+}
+
 function market_management_search_occurrences(PDO $pdo, array $input): array
 {
     $where = [];
diff --git a/modules/shared/auth/ui/home.php b/modules/shared/auth/ui/home.php
index 3fd382f..f99a7c2 100644
--- a/modules/shared/auth/ui/home.php
+++ b/modules/shared/auth/ui/home.php
@@ -151,7 +151,9 @@ function auth_render_markets_large_table(array $marketTable): string
 
 function auth_render_markets_content(array $marketTable): string
 {
-    return '<div data-markets-content="true" data-market-csrf-token="' . auth_escape_html(auth_csrf_token()) . '">' . auth_render_markets_large_table($marketTable)
+    return '<div data-markets-content="true" data-market-csrf-token="' . auth_escape_html(auth_csrf_token()) . '">'
+        . '<article class="sg-card" data-component="basic-card"><div class="sg-card-segment sg-card-segment--body sg-card-segment--gray" data-component-part="card-body"><div class="sg-component-row sg-basic-card__actions"><button class="sg-interaction-element sg-button sg-button--active" type="button" aria-haspopup="dialog" aria-expanded="false" data-component="button" data-component-state="active" data-market-occurrence-create>Neue Durchführung</button></div></div></article>'
+        . auth_render_markets_large_table($marketTable)
         . '<div class="sg-card-list-page-drawer-backdrop" aria-hidden="true" data-market-drawer-backdrop="true" data-open="false"></div>'
         . '<aside class="sg-card-list-page-drawer" aria-label="Marktdurchführung-Details" aria-hidden="true" data-market-drawer="true" data-open="false">'
         . '<div class="sg-card-list-page-drawer__content" data-market-drawer-content><p class="sg-body">Marktdetails werden geladen …</p></div>'
@@ -1099,6 +1101,7 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $otcM
     echo "  const marketDeletePatternWithTitle = (id, title, body) => { const template = document.createElement('template'); template.innerHTML = marketDeletePattern(id, body); const target = template.content.querySelector('[data-market-delete-occurrence-id]'); const row = target?.querySelector(':scope > .sg-component-row'); if (target && row) { const card = document.createElement('article'); card.className = 'sg-card sg-card--content-card market-delete-confirmation-card'; const header = document.createElement('header'); header.className = 'sg-card-segment sg-card-segment--header sg-card-segment--gray sg-object-card__header'; const heading = document.createElement('h2'); heading.className = 'sg-heading-h2 market-delete-confirmation-card__title'; heading.textContent = title; header.append(heading, row); card.append(header); target.prepend(card); } return template.innerHTML; };";
     echo "  const marketEditForm = (scope, id, values) => { const boolOptions = [['', 'Nicht hinterlegt'], ['1', 'Ja'], ['0', 'Nein']]; const statusOptions = [['open', 'Offen'], ['waitlist', 'Warteliste'], ['registered', 'Angemeldet'], ['confirmation_pending', 'Bestätigung ausstehend'], ['confirmed', 'Bestätigt'], ['cancelled', 'Abgesagt'], ['completed', 'Abgeschlossen']]; const referenceOptions = values.reference_options || {}; const categoryOptions = [['', 'Nicht hinterlegt'], ...(Array.isArray(referenceOptions.categories) ? referenceOptions.categories.map((option) => [option.id, option.name]) : [])]; const municipalityOptions = [['', 'Nicht hinterlegt'], ...(Array.isArray(referenceOptions.municipalities) ? referenceOptions.municipalities.map((option) => [option.id, option.name]) : [])]; const partyOptions = [['', 'Nicht hinterlegt'], ...(Array.isArray(referenceOptions.parties) ? referenceOptions.parties.map((option) => [option.id, option.name]) : [])]; const contactOptions = [['', 'Nicht hinterlegt'], ...(Array.isArray(referenceOptions.contacts) ? referenceOptions.contacts.map((option) => [option.id, [[option.first_name, option.last_name].filter(Boolean).join(' ') || 'Nicht hinterlegt', option.party_name].filter(Boolean).join(' – '), option.email || '', option.phone || '']) : [])]; const costSummary = values.cost_summary || {}; const formValues = Object.assign({}, values, { gross_cost: marketMoney(costSummary.gross_amount), net_cost: marketMoney(costSummary.net_amount), tax_cost: marketMoney(costSummary.tax_amount), open_cost: marketMoney(costSummary.open_amount), cost_items_text: marketCostItemsText(values.cost_items), gross_revenue_display: marketMoney(values.gross_revenue), sold_item_count_display: marketDisplay(values.sold_item_count) }); const fieldSets = { status: [['status', 'Status', 'select', statusOptions]], overview: [['market_name', 'Veranstaltung', 'text'], ['category_id', 'Kategorie', 'select', categoryOptions], ['website_url', 'Website', 'url'], ['place', 'Ort', 'text'], ['address', 'Adresse', 'textarea'], ['municipality_reference_id', 'Gemeinde', 'select', municipalityOptions], ['organization_contact_id', 'Veranstalter', 'select', partyOptions], ['contact_person_id', 'Kontaktperson', 'select', contactOptions], ['contact_email', 'Kontakt E-Mail', 'email'], ['contact_phone', 'Kontakt Telefon', 'tel']], participation: [['request_or_registration_date', 'Anmeldung / Anfrage', 'date'], ['registration_deadline', 'Anmeldefrist', 'date'], ['confirmation_date', 'Bestätigung', 'date'], ['payment_deadline', 'Zahlungsfrist', 'date'], ['payment_status', 'Zahlungsstatus', 'select', [['', 'Nicht hinterlegt'], ['paid', 'Bezahlt'], ['unpaid', 'Unbezahlt']]], ['payment_date', 'Zahlungsdatum', 'date'], ['paid_amount', 'Bezahlter Betrag', 'number'], ['payment_method_code', 'Zahlungsart', 'text'], ['gross_cost', 'Gesamtkosten brutto', 'readonly'], ['net_cost', 'Gesamtkosten netto', 'readonly'], ['tax_cost', 'Steuern', 'readonly'], ['open_cost', 'Offener Betrag', 'readonly'], ['cost_items_text', 'Kostenpositionen', 'readonly-textarea']], infrastructure: [['stand_size', 'Standgrösse', 'text'], ['table_available', 'Tisch vorhanden', 'select', boolOptions], ['table_rentable', 'Tisch mietbar', 'select', boolOptions], ['own_table_required', 'Eigener Tisch erforderlich', 'select', boolOptions], ['shelter_available', 'Überdachung', 'select', boolOptions], ['power_available', 'Strom', 'select', boolOptions], ['water_available', 'Wasser', 'select', boolOptions], ['lighting_available', 'Beleuchtung', 'select', boolOptions], ['other_infrastructure', 'Weitere Infrastruktur', 'textarea'], ['own_stand_requirements', 'Anforderungen an den eigenen Stand', 'textarea']], travel: [['travel_address', 'Reiseadresse', 'textarea'], ['travel_distance_km', 'Distanz (km)', 'number'], ['travel_duration_minutes', 'Reisedauer (Minuten)', 'number'], ['parking_options', 'Parkmöglichkeiten', 'textarea'], ['delivery_access', 'Anlieferung', 'textarea'], ['direct_unload_possible', 'Direktes Entladen', 'select', boolOptions], ['storage_options', 'Lagerung', 'textarea'], ['travel_notes', 'Besondere Anreisehinweise', 'textarea']], notes: [['cancellation_terms', 'Rücktrittsbedingungen', 'textarea'], ['revenue_share_terms', 'Umsatzbeteiligung', 'textarea'], ['other_participation_conditions', 'Teilnahmebedingungen', 'textarea'], ['notes', 'Notizen', 'textarea'], ['contract_folder_url', 'Vertragsordner', 'url']], day: [['date', 'Datum', 'date'], ['observations', 'Beobachtungen', 'textarea'], ['stand_start_time', 'Standzeit von', 'time'], ['stand_end_time', 'Standzeit bis', 'time'], ['setup_start_time', 'Aufbau von', 'time'], ['setup_end_time', 'Aufbau bis', 'time'], ['delivery_start_time', 'Anlieferung von', 'time'], ['delivery_end_time', 'Anlieferung bis', 'time'], ['gross_revenue_display', 'Umsatz', 'readonly'], ['sold_item_count_display', 'Verkaufte Artikel', 'readonly']] }; const requiredFields = { status: new Set(['status']), overview: new Set(['market_name', 'category_id']), day: new Set(['date']) }; const fields = fieldSets[scope] || []; const formFields = fields.map(([key, label, type, options]) => '<div class=\"sg-form-sections-card__field-group\">' + marketEditField(key, label, type, formValues[key], options, requiredFields[scope]?.has(key) === true) + '</div>').join(''); const draftAttributes = values.__draft ? ' data-market-edit-draft=\"true\" data-market-occurrence-id=\"' + marketEscape(values.__occurrence_id || '') + '\"' : ''; return '<div class=\"sg-form-sections-card-wrapper\" data-pattern=\"form-sections\"><form class=\"sg-form-sections-card market-edit-form\" data-market-edit-form=\"true\" data-market-edit-scope=\"' + scope + '\" data-market-edit-id=\"' + id + '\"' + draftAttributes + '><div class=\"sg-form-sections-card__body\" data-pattern-part=\"form-body\"><div class=\"sg-form-sections-card__section\">' + formFields + '</div></div><footer class=\"sg-form-sections-card__actions-segment\" data-pattern-part=\"form-actions-segment\"><div class=\"sg-form-sections-card__actions\" data-pattern-part=\"form-actions\"><button class=\"sg-interaction-element sg-button sg-button--active sg-form-sections-card__action\" type=\"button\" data-market-edit-cancel data-shared-editable-card-cancel>Abbrechen</button><button class=\"sg-interaction-element sg-button sg-button--process sg-form-sections-card__action\" type=\"submit\">Speichern</button></div></footer><p class=\"sg-body\" data-market-edit-status aria-live=\"polite\"></p></form></div>'; };";
     echo "  const marketDeletePatternWithTitleAndDays = (id, title, body) => { const html = marketDeletePatternWithTitle(id, title, body); const template = document.createElement('template'); template.innerHTML = html; const target = template.content.querySelector('[data-market-delete-occurrence-id]'); const dayGroup = target?.querySelector('.market-days-group'); if (dayGroup) { const heading = document.createElement('h2'); heading.className = 'sg-heading-h2 market-days-group__title'; heading.textContent = 'Durchführungstage'; dayGroup.before(heading); } return template.innerHTML; };";
+    echo "  const marketCreateForm = (marketDefinitions) => { const options = [['', 'Bitte auswählen'], ...(Array.isArray(marketDefinitions) ? marketDefinitions.map((market) => [market.id, market.name + (market.category_name ? ' – ' + market.category_name : '')]) : [])]; const fields = '<div class=\"sg-form-sections-card__field-group\">' + marketEditField('market_definition_id', 'Veranstaltung', 'select', '', options, true) + '</div><div class=\"sg-form-sections-card__field-group\">' + marketEditField('date', 'Erster Durchführungstag', 'date', '', [], true) + '</div>'; return '<article class=\"sg-card sg-card--content-card market-detail-card\" data-component=\"content-card\"><header class=\"sg-card-segment sg-card-segment--header sg-card-segment--darkgreen sg-object-card__header\" data-component-part=\"card-header\"><div class=\"sg-strong sg-text-on-dark\">Pflichtangaben für neue Durchführung</div></header><div class=\"sg-card-segment sg-card-segment--body sg-card-segment--gray\"><div class=\"sg-form-sections-card-wrapper\" data-pattern=\"form-sections\"><form class=\"sg-form-sections-card market-create-form\" data-market-create-form=\"true\"><div class=\"sg-form-sections-card__body\" data-pattern-part=\"form-body\"><div class=\"sg-form-sections-card__section\">' + fields + '</div></div><footer class=\"sg-form-sections-card__actions-segment\" data-pattern-part=\"form-actions-segment\"><div class=\"sg-form-sections-card__actions\" data-pattern-part=\"form-actions\"><button class=\"sg-interaction-element sg-button sg-button--active sg-form-sections-card__action\" type=\"button\" data-market-create-cancel>Abbrechen</button><button class=\"sg-interaction-element sg-button sg-button--process sg-form-sections-card__action\" type=\"submit\">Speichern</button></div></footer><p class=\"sg-body\" data-market-create-status aria-live=\"polite\"></p></form></div></div></article>'; };";
     echo "  const buildUrl = (params) => { const url = new URL(window.location.href); Object.entries(params).forEach(([key, value]) => { if (value === null || value === undefined || value === '') { url.searchParams.delete(key); } else { url.searchParams.set(key, String(value)); } }); return url; };";
     echo "  const replaceFragment = (html) => { const doc = new DOMParser().parseFromString(html, 'text/html'); const fragment = doc.querySelector('[data-markets-content]'); if (!fragment) { return false; } contentRoot.innerHTML = fragment.innerHTML; return Boolean(getTable()); };";
     echo "  const loadFragment = async (params) => { if (searchTimer) { window.clearTimeout(searchTimer); searchTimer = null; } const input = getSearchInput(); const wasFocused = input ? document.activeElement === input : false; const response = await fetch(buildUrl({ ...params, market_fragment: '1' }).toString(), { credentials: 'same-origin', headers: { 'X-Requested-With': 'XMLHttpRequest' } }); if (!response.ok) { return; } const replaced = replaceFragment(await response.text()); if (!replaced) { return; } window.history.replaceState({}, '', buildUrl(params)); bindTable(); if (wasFocused) { const nextInput = getSearchInput(); nextInput?.focus({ preventScroll: true }); if (nextInput) { nextInput.setSelectionRange(nextInput.value.length, nextInput.value.length); } } };";
@@ -1118,12 +1121,15 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $otcM
     echo "  const renderMarketDetailWithActions = (payload) => marketDeletePatternWithTitleAndDays(payload.occurrence?.id || '', marketDrawerTitle(payload), renderMarketDetail(payload));";
     echo "  const marketDrawerTitle = (payload) => { const marketName = payload.market?.name || 'Marktdurchführung'; const dates = (Array.isArray(payload.occurrence?.days) ? payload.occurrence.days : []).map((day) => marketDate(day.date)).filter(Boolean); return dates.length ? marketName + ', Durchführung ' + dates.join(', ') : marketName; };";
     echo "  const openMarketDrawer = async (trigger) => { const drawer = getMarketDrawer(); if (!drawer) { return; } const title = drawer.querySelector('[data-market-drawer-title]'); const content = drawer.querySelector('[data-market-drawer-content]'); setMarketDrawerState(true); if (title) { title.textContent = 'Marktdurchführung'; } if (content) { content.innerHTML = '<p class=\"sg-body\">Marktdetails werden geladen …</p>'; } try { const response = await fetch('/api/market-occurrence.php?id=' + encodeURIComponent(trigger.dataset.marketOccurrenceId || ''), { credentials: 'same-origin' }); const payload = await response.json(); if (!response.ok || !payload.ok) { throw new Error(payload.error || 'Marktdetails konnten nicht geladen werden.'); } drawer.dataset.marketPayload = JSON.stringify(payload); if (title) { title.textContent = marketDrawerTitle(payload); } if (content) { content.innerHTML = renderMarketDetailWithActions(payload); applyMarketTabs(content); syncMarketDayAddButton(content); } } catch (error) { if (content) { content.innerHTML = '<p class=\"sg-body\">' + marketEscape(error.message) + '</p>'; } } contentRoot.querySelectorAll('[data-market-drawer-open]').forEach((button) => button.setAttribute('aria-expanded', String(button === trigger))); };";
+    echo "  const openNewMarketDrawer = async () => { const drawer = getMarketDrawer(); if (!drawer) { return; } const title = drawer.querySelector('[data-market-drawer-title]'); const content = drawer.querySelector('[data-market-drawer-content]'); setMarketDrawerState(true); if (title) { title.textContent = 'Neue Durchführung'; } if (content) { content.innerHTML = '<p class=\"sg-body\">Pflichtangaben werden geladen …</p>'; } try { const response = await fetch('/api/market-occurrence.php?action=create_options', { credentials: 'same-origin' }); const payload = await response.json(); if (!response.ok || !payload.ok) { throw new Error(payload.error || 'Pflichtangaben konnten nicht geladen werden.'); } if (content) { content.innerHTML = marketCreateForm(payload.market_definitions || []); } } catch (error) { if (content) { content.innerHTML = '<p class=\"sg-body\">' + marketEscape(error.message) + '</p>'; } } };";
     echo "  const restoreMarketList = () => { if (marketMobileDetailHost?.parentNode) { const drawer = marketMobileDetailHost.querySelector('[data-market-mobile-drawer]'); if (drawer) { contentRoot.appendChild(drawer); drawer.removeAttribute('data-market-mobile-drawer'); drawer.dataset.open = 'false'; drawer.setAttribute('aria-hidden', 'true'); } marketMobileDetailHost.parentNode.removeChild(marketMobileDetailHost); } marketMobileDetailHost = null; marketDetailOpen = false; document.body.classList.remove('sg-market-mobile-detail-open'); bindTable(); };";
     echo "  const openMarketMobileDetail = (trigger) => { restoreMarketList(); const sourceDrawer = contentRoot.querySelector('[data-market-drawer]'); if (!sourceDrawer) { return; } const host = document.createElement('div'); host.className = 'sg-market-mobile-detail-host'; host.dataset.marketMobileDetailHost = 'true'; host.innerHTML = '<div class=\"sg-navigation-card-layout sg-mobile-detail-back-card\"><div class=\"sg-navigation-card-block\"><article class=\"sg-card\" data-component=\"card\" data-pattern=\"navigation-card\"><div class=\"sg-card-segment sg-card-segment--body\"><div class=\"sg-navigation-card-center\"><button class=\"sg-interaction-element sg-hyperlink\" type=\"button\" data-market-detail-back>zurück</button></div></div></article></div></div>'; sourceDrawer.dataset.marketMobileDrawer = 'true'; sourceDrawer.dataset.open = 'true'; sourceDrawer.setAttribute('aria-hidden', 'false'); host.appendChild(sourceDrawer); document.body.appendChild(host); marketMobileDetailHost = host; document.body.classList.add('sg-market-mobile-detail-open'); marketOpeningMobileDetail = true; void openMarketDrawer(trigger).finally(() => { marketOpeningMobileDetail = false; }); marketDetailOpen = true; window.history.pushState({ marketView: 'detail' }, '', window.location.href); };";
     echo "  const deleteMarketOccurrence = async (submit) => { if (submit.disabled) { return; } const card = submit.closest('[data-shared-editable-action-card]'); const input = card?.querySelector('[data-shared-editable-card-delete-input]'); const status = card?.querySelector('[data-market-delete-status]'); const occurrenceId = card?.dataset.marketDeleteOccurrenceId || ''; if (!card || !input || input.value !== 'DELETE' || !occurrenceId) { return; } if (status) { status.textContent = 'Löschen läuft …'; } submit.disabled = true; submit.setAttribute('aria-disabled', 'true'); try { const response = await fetch('/api/market-occurrence.php', { method: 'POST', credentials: 'same-origin', headers: { 'Content-Type': 'application/json', 'X-CSRF-Token': contentRoot.querySelector('[data-market-csrf-token]')?.dataset.marketCsrfToken || '' }, body: JSON.stringify({ action: 'delete', id: occurrenceId, confirmation: input.value }) }); const result = await response.json(); if (!response.ok || !result.ok) { throw new Error(result.error || 'Löschen fehlgeschlagen.'); } closeMarketDrawer(); if (marketDetailOpen) { restoreMarketList(); } await loadFragment({ market_search: getSearchValue(), market_sort: getSortColumn(), market_dir: getSortDirection(), market_limit: getCurrentLimit() }); } catch (error) { if (status) { status.textContent = marketEscape(error.message); } submit.disabled = false; submit.setAttribute('aria-disabled', 'false'); } };";
     echo "  if (!marketsBindingsInstalled) {";
     echo "    marketsBindingsInstalled = true;";
     echo "    document.addEventListener('click', (event) => { const dayAdd = event.target.closest('[data-market-day-add]'); if (dayAdd) { event.preventDefault(); addMarketDayDraft(); return; } const editButton = event.target.closest('[data-shared-editable-card-edit]'); if (editButton) { window.setTimeout(() => syncMarketDayAddButton(contentRoot), 0); return; } const cancelButton = event.target.closest('[data-shared-editable-card-cancel]'); if (cancelButton) { if (cancelButton.closest('[data-market-edit-form][data-market-edit-draft=\"true\"]')) { window.setTimeout(discardMarketDayDraft, 0); } else { window.setTimeout(() => syncMarketDayAddButton(contentRoot), 0); } } });";
+    echo "    document.addEventListener('click', (event) => { const createButton = event.target.closest('[data-market-occurrence-create]'); if (createButton) { event.preventDefault(); void openNewMarketDrawer(); return; } if (event.target.closest('[data-market-create-cancel]')) { closeMarketDrawer(); } });";
+    echo "    document.addEventListener('submit', async (event) => { const form = event.target.closest('[data-market-create-form]'); if (!form) { return; } event.preventDefault(); event.stopImmediatePropagation(); const status = form.querySelector('[data-market-create-status]'); const fields = Object.fromEntries(new FormData(form).entries()); if (status) { status.textContent = 'Speichern läuft …'; } try { const response = await fetch('/api/market-occurrence.php', { method: 'POST', credentials: 'same-origin', headers: { 'Content-Type': 'application/json', 'X-CSRF-Token': contentRoot.querySelector('[data-market-csrf-token]')?.dataset.marketCsrfToken || '' }, body: JSON.stringify({ action: 'create', fields }) }); const result = await response.json(); if (!response.ok || !result.ok) { throw new Error(result.error || 'Speichern fehlgeschlagen.'); } const detailResponse = await fetch('/api/market-occurrence.php?id=' + encodeURIComponent(result.occurrence_id), { credentials: 'same-origin' }); const payload = await detailResponse.json(); if (!detailResponse.ok || !payload.ok) { throw new Error(payload.error || 'Die neue Durchführung konnte nicht geladen werden.'); } const drawer = getMarketDrawer(); const title = drawer?.querySelector('[data-market-drawer-title]'); const content = drawer?.querySelector('[data-market-drawer-content]'); if (drawer) { drawer.dataset.marketPayload = JSON.stringify(payload); } if (title) { title.textContent = marketDrawerTitle(payload); } if (content) { content.innerHTML = renderMarketDetailWithActions(payload); applyMarketTabs(content); syncMarketDayAddButton(content); } } catch (error) { if (status) { status.textContent = marketEscape(error.message); } } });";
     echo "    document.addEventListener('submit', async (event) => { const form = event.target.closest('[data-market-edit-form][data-market-edit-draft=\"true\"]'); if (!form) { return; } event.preventDefault(); event.stopImmediatePropagation(); const status = form.querySelector('[data-market-edit-status]'); const fields = Object.fromEntries(new FormData(form).entries()); if (status) { status.textContent = 'Speichern läuft …'; } try { const response = await fetch('/api/market-occurrence.php', { method: 'POST', credentials: 'same-origin', headers: { 'Content-Type': 'application/json', 'X-CSRF-Token': contentRoot.querySelector('[data-market-csrf-token]')?.dataset.marketCsrfToken || '' }, body: JSON.stringify({ action: 'create_day', id: form.dataset.marketOccurrenceId, fields }) }); const result = await response.json(); if (!response.ok || !result.ok) { throw new Error(result.error || 'Speichern fehlgeschlagen.'); } const trigger = contentRoot.querySelector('[data-market-drawer-open][aria-expanded=\"true\"]'); if (trigger) { await openMarketDrawer(trigger); } } catch (error) { if (status) { status.textContent = marketEscape(error.message); } } });";
     echo "    document.addEventListener('click', (event) => { const deleteSubmit = event.target.closest('[data-market-delete-submit]'); if (deleteSubmit) { void deleteMarketOccurrence(deleteSubmit); return; } const sortButton = event.target.closest('[data-markets-sort-button]'); if (sortButton) { event.preventDefault(); void loadFragment({ market_search: getSearchValue(), market_sort: sortButton.dataset.marketsSortColumn || getSortColumn(), market_dir: sortButton.dataset.marketsSortDirection || getSortDirection(), market_limit: getPageSize() }); return; } const loadMore = event.target.closest('[data-markets-load-more-trigger]'); if (loadMore) { event.preventDefault(); void loadFragment({ market_search: getSearchValue(), market_sort: getSortColumn(), market_dir: getSortDirection(), market_limit: getCurrentLimit() + getPageSize() }); return; } const trigger = event.target.closest('[data-market-drawer-open]'); if (trigger) { event.preventDefault(); if (window.matchMedia('(max-width: 767px)').matches && !marketOpeningMobileDetail) { openMarketMobileDetail(trigger); } else { void openMarketDrawer(trigger); } return; } if (event.target.closest('[data-market-drawer-close]')) { closeMarketDrawer(); return; } if (event.target.closest('[data-market-detail-back]')) { if (window.history.state?.marketView === 'detail') { window.history.back(); } else { restoreMarketList(); } return; } });";
     echo "    document.addEventListener('submit', async (event) => { const form = event.target.closest('[data-market-edit-form]'); if (!form) { return; } event.preventDefault(); const status = form.querySelector('[data-market-edit-status]'); const fields = Object.fromEntries(new FormData(form).entries()); if (status) { status.textContent = 'Speichern läuft …'; } try { const response = await fetch('/api/market-occurrence.php', { method: 'POST', credentials: 'same-origin', headers: { 'Content-Type': 'application/json', 'X-CSRF-Token': contentRoot.querySelector('[data-market-csrf-token]')?.dataset.marketCsrfToken || '' }, body: JSON.stringify({ scope: form.dataset.marketEditScope, id: form.dataset.marketEditId, fields }) }); const result = await response.json(); if (!response.ok || !result.ok) { throw new Error(result.error || 'Speichern fehlgeschlagen.'); } const trigger = contentRoot.querySelector('[data-market-drawer-open][aria-expanded=\"true\"]'); if (trigger) { await openMarketDrawer(trigger); } } catch (error) { if (status) { status.textContent = marketEscape(error.message); } } });";
diff --git a/public/api/market-occurrence.php b/public/api/market-occurrence.php
index 093e0a9..cece872 100644
--- a/public/api/market-occurrence.php
+++ b/public/api/market-occurrence.php
@@ -34,6 +34,15 @@ if ($requestMethod === 'POST') {
         exit;
     }
     try {
+        if (($payload['action'] ?? '') === 'create') {
+            $fields = is_array($payload['fields'] ?? null) ? $payload['fields'] : [];
+            $occurrence = market_management_create_occurrence($pdo, [
+                'market_definition_id' => $fields['market_definition_id'] ?? null,
+                'days' => [['date' => $fields['date'] ?? null]],
+            ]);
+            echo json_encode(['ok' => true, 'occurrence_id' => (int) $occurrence['id']], JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
+            exit;
+        }
         $scope = (string) ($payload['scope'] ?? '');
         $id = market_management_require_positive_id($payload['id'] ?? null, 'id');
         $fields = is_array($payload['fields'] ?? null) ? $payload['fields'] : [];
@@ -114,6 +123,14 @@ if ($requestMethod === 'POST') {
     }
 }
 
+if (($requestMethod === 'GET') && ($_GET['action'] ?? '') === 'create_options') {
+    echo json_encode([
+        'ok' => true,
+        'market_definitions' => market_management_list_active_market_definitions($pdo),
+    ], JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
+    exit;
+}
+
 $occurrenceId = filter_input(INPUT_GET, 'id', FILTER_VALIDATE_INT);
 if (!is_int($occurrenceId) || $occurrenceId <= 0) {
     http_response_code(400);