feat: Add payment modal to BillingManager for streamlined payment entry and management

frontend/src/BillingManager.jsx

@@ -45,6 +45,16 @@ function BillingManager() {
   const [selectedItem, setSelectedItem] = useState(null);
   const [editingItem, setEditingItem] = useState({});
 
+  // Модалка добавления платежа, привязанного к серверу
+  const [showPaymentModal, setShowPaymentModal] = useState(false);
+  const [paymentDraft, setPaymentDraft] = useState({
+    serverId: '',
+    date: '',
+    amount: 0,
+    currency: 'USD',
+    note: ''
+  });
+
   // Состояние для курсов валют
   const [exchangeRates, setExchangeRates] = useState({
     USD: 1,
@@ -102,7 +112,17 @@ function BillingManager() {
     setLoading(true);
     try {
       const response = await axios.get(`${API_URL}/billing`);
-      setBillingData(response.data);
+      const normalized = (response.data || []).map((item, idx) => ({
+        id: item.id ?? String(idx + 1),
+        payments: Array.isArray(item.payments)
+          ? item.payments
+          : (item.lastPaymentDate && item.lastPaymentAmount
+              ? [{ date: item.lastPaymentDate, amount: item.lastPaymentAmount, currency: item.lastPaymentCurrency || 'USD', note: 'Импортировано' }]
+              : []
+            ),
+        ...item,
+      }));
+      setBillingData(normalized);
       setError('');
     } catch (err) {
       console.error('Ошибка при загрузке данных биллинга:', err);
@@ -686,22 +706,14 @@ function BillingManager() {
                         <button
                           className="btn btn-sm btn-outline-success"
                           onClick={() => {
-                            setNewItem({
-                              hostName: item.hostName,
-                              purpose: item.purpose,
-                              country: item.country,
-                              provider: item.provider,
-                              loginUrl: item.loginUrl,
-                              monthlyCost: item.monthlyCost,
-                              monthlyCostCurrency: item.monthlyCostCurrency,
-                              nextPaymentDate: item.nextPaymentDate,
-                              lastPaymentDate: '',
-                              lastPaymentAmount: 0,
-                              lastPaymentCurrency: item.monthlyCostCurrency || 'USD',
-                              status: item.status,
-                              notes: ''
+                            setPaymentDraft({
+                              serverId: item.id,
+                              date: new Date().toISOString().slice(0,10),
+                              amount: item.monthlyCost || 0,
+                              currency: item.monthlyCostCurrency || 'USD',
+                              note: ''
                             });
-                            setShowAddModal(true);
+                            setShowPaymentModal(true);
                           }}
                           title="Добавить платеж"
                         >
@@ -774,27 +786,10 @@ function BillingManager() {
             История платежей
           </h3>
           <div className="card-actions">
-            <button 
-              className="btn btn-outline-primary btn-sm"
-              onClick={() => {
-                setNewItem({
-                  hostName: '',
-                  purpose: '',
-                  country: '',
-                  provider: '',
-                  loginUrl: '',
-                  monthlyCost: 0,
-                  monthlyCostCurrency: 'USD',
-                  nextPaymentDate: '',
-                  lastPaymentDate: '',
-                  lastPaymentAmount: 0,
-                  lastPaymentCurrency: 'USD',
-                  status: 'active',
-                  notes: ''
-                });
-                setShowAddModal(true);
-              }}
-            >
+              <button 
+                className="btn btn-outline-primary btn-sm"
+                onClick={() => { setPaymentDraft({ serverId: '', date: '', amount: 0, currency: 'USD', note: '' }); setShowPaymentModal(true); }}
+              >
               <IconPlus size={16} />
               Добавить платеж
             </button>
@@ -806,57 +801,35 @@ function BillingManager() {
               <thead>
                 <tr>
                   <th>Имя хостера</th>
-                  <th>Дата платежа</th>
+                  <th>Дата</th>
                   <th>Сумма</th>
                   <th>Валюта</th>
-                  <th>Статус</th>
-                  <th>Действия</th>
+                  <th>Комментарий</th>
                 </tr>
               </thead>
               <tbody>
-                {billingData
-                  .filter(item => item.lastPaymentDate && item.lastPaymentAmount)
-                  .sort((a, b) => new Date(b.lastPaymentDate) - new Date(a.lastPaymentDate))
-                  .slice(0, 10)
-                  .map(item => (
-                    <tr key={item.id}>
+                {(() => {
+                  const rows = billingData.flatMap(server => (server.payments || []).map((p, idx) => ({ server, ...p, _key: `${server.id}-${idx}` }))).sort((a,b) => new Date(b.date) - new Date(a.date));
+                  if (rows.length === 0) {
+                    return null;
+                  }
+                  return rows.slice(0, 20).map(r => (
+                    <tr key={r._key}>
                       <td>
-                        <div className="fw-bold">{item.hostName}</div>
-                        <div className="text-muted small">{item.provider}</div>
+                        <div className="fw-bold">{r.server.hostName}</div>
+                        <div className="text-muted small">{r.server.provider}</div>
                       </td>
-                      <td>{formatDate(item.lastPaymentDate)}</td>
+                      <td>{formatDate(r.date)}</td>
                       <td>
-                        <div className="fw-bold">
-                          {formatCurrency(item.lastPaymentAmount, item.lastPaymentCurrency)}
-                        </div>
-                        <div className="text-muted small">
-                          {formatCurrencyInRUB(item.lastPaymentAmount, item.lastPaymentCurrency)}
-                        </div>
-                      </td>
-                      <td>
-                        <span className="badge bg-blue-lt text-blue">
-                          {item.lastPaymentCurrency || 'USD'}
-                        </span>
-                      </td>
-                      <td>
-                        <span className="badge bg-success-lt text-success">
-                          Оплачен
-                        </span>
-                      </td>
-                      <td>
-                        <div className="btn-list">
-                          <button
-                            className="btn btn-sm btn-outline-primary"
-                            onClick={() => handleEditItem(item)}
-                            title="Редактировать"
-                          >
-                            <IconEdit size={14} />
-                          </button>
-                        </div>
+                        <div className="fw-bold">{formatCurrency(r.amount, r.currency)}</div>
+                        <div className="text-muted small">{formatCurrencyInRUB(r.amount, r.currency)}</div>
                       </td>
+                      <td><span className="badge bg-blue-lt text-blue">{r.currency || 'USD'}</span></td>
+                      <td className="text-muted small">{r.note || ''}</td>
                     </tr>
-                  ))}
-                {billingData.filter(item => item.lastPaymentDate && item.lastPaymentAmount).length === 0 && (
+                  ));
+                })()}
+                {billingData.every(i => !i.payments || i.payments.length === 0) && (
                   <tr>
                     <td colSpan="6" className="text-center text-muted py-4">
                       <div className="py-3">
@@ -922,6 +895,32 @@ function BillingManager() {
         onDelete={confirmDelete}
         onClose={() => setShowDeleteModal(false)}
       />
+  {/* Модалка добавления платежа */}
+  {showPaymentModal && (
+    <AddPaymentModal
+      show={showPaymentModal}
+      servers={billingData}
+      payment={paymentDraft}
+      onChange={setPaymentDraft}
+      onClose={() => setShowPaymentModal(false)}
+      onSubmit={() => {
+        if (!paymentDraft.serverId || !paymentDraft.date || !paymentDraft.amount) {
+          setError('Заполните сервер, дату и сумму.');
+          setTimeout(() => setError(''), 3000);
+          return;
+        }
+        setBillingData(prev => prev.map(s => {
+          if (s.id !== paymentDraft.serverId) return s;
+          const payments = Array.isArray(s.payments) ? [...s.payments] : [];
+          payments.push({ date: paymentDraft.date, amount: paymentDraft.amount, currency: paymentDraft.currency || 'USD', note: paymentDraft.note || '' });
+          return { ...s, payments, lastPaymentDate: paymentDraft.date, lastPaymentAmount: paymentDraft.amount, lastPaymentCurrency: paymentDraft.currency || s.monthlyCostCurrency || 'USD' };
+        }));
+        setShowPaymentModal(false);
+        setSuccess('Платеж добавлен');
+        setTimeout(() => setSuccess(''), 3000);
+      }}
+    />
+  )}
     </div>
   );
 }
@@ -930,8 +929,7 @@ function BillingManager() {
 function AddBillingModal({ show, item, onItemChange, onSubmit, onClose }) {
   if (!show) return null;
 
-  const isHistoricalPayment = item.hostName && !item.lastPaymentDate;
-  const modalTitle = isHistoricalPayment ? 'Добавить исторический платеж' : 'Добавить новый элемент';
+  const modalTitle = 'Добавить новый элемент';
 
   return (
     <div className="modal show d-block" tabIndex="-1" style={{ backgroundColor: 'rgba(0,0,0,0.5)' }}>
@@ -942,13 +940,6 @@ function AddBillingModal({ show, item, onItemChange, onSubmit, onClose }) {
             <button type="button" className="btn-close" onClick={onClose}></button>
           </div>
           <div className="modal-body">
-            {isHistoricalPayment && (
-              <div className="alert alert-info mb-3">
-                <IconHistory size={16} className="me-2" />
-                <strong>Исторический платеж:</strong> Вы добавляете платеж для существующего хоста "{item.hostName}". 
-                Заполните информацию о платеже ниже.
-              </div>
-            )}
             <div className="row g-3">
               {/* Основная информация */}
               <div className="col-12">
@@ -1332,4 +1323,59 @@ function DeleteBillingModal({ show, item, onDelete, onClose }) {
   );
 }
 
-export default BillingManager; 
+export default BillingManager; 
+
+// Модалка добавления платежа
+function AddPaymentModal({ show, servers, payment, onChange, onSubmit, onClose }) {
+  if (!show) return null;
+  const serverOptions = servers.map(s => ({ id: s.id, label: `${s.hostName} (${s.provider})` }));
+  return (
+    <div className="modal show d-block" tabIndex="-1" style={{ backgroundColor: 'rgba(0,0,0,0.5)' }}>
+      <div className="modal-dialog">
+        <div className="modal-content">
+          <div className="modal-header">
+            <h5 className="modal-title">Добавить платеж</h5>
+            <button type="button" className="btn-close" onClick={onClose}></button>
+          </div>
+          <div className="modal-body">
+            <div className="mb-3">
+              <label className="form-label">Сервер *</label>
+              <select className="form-select" value={payment.serverId} onChange={e => onChange({ ...payment, serverId: e.target.value })}>
+                <option value="">Выберите сервер</option>
+                {serverOptions.map(o => (
+                  <option key={o.id} value={o.id}>{o.label}</option>
+                ))}
+              </select>
+            </div>
+            <div className="mb-3">
+              <label className="form-label">Дата *</label>
+              <input type="date" className="form-control" value={payment.date} onChange={e => onChange({ ...payment, date: e.target.value })} />
+            </div>
+            <div className="row g-2">
+              <div className="col-8">
+                <label className="form-label">Сумма *</label>
+                <input type="number" step="0.01" className="form-control" value={payment.amount} onChange={e => onChange({ ...payment, amount: parseFloat(e.target.value) || 0 })} />
+              </div>
+              <div className="col-4">
+                <label className="form-label">Валюта</label>
+                <select className="form-select" value={payment.currency} onChange={e => onChange({ ...payment, currency: e.target.value })}>
+                  <option value="USD">USD</option>
+                  <option value="EUR">EUR</option>
+                  <option value="RUB">RUB</option>
+                </select>
+              </div>
+            </div>
+            <div className="mt-3">
+              <label className="form-label">Комментарий</label>
+              <input type="text" className="form-control" value={payment.note} onChange={e => onChange({ ...payment, note: e.target.value })} placeholder="Необязательно" />
+            </div>
+          </div>
+          <div className="modal-footer">
+            <button className="btn btn-secondary" onClick={onClose}>Отмена</button>
+            <button className="btn btn-primary" onClick={onSubmit}>Добавить</button>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+}

frontend/src/Dashboard.jsx

@@ -212,8 +212,8 @@ function Dashboard() {
       </div>
 
       {/* Дополнительные метрики */}
-      <div className="row g-3 mb-4">
-        <div className="col-md-2">
+      <div className="row g-3 mb-4 justify-content-center">
+        <div className="col-sm-6 col-md-3">
           <MetricCard
             title="Стран"
             value={loading ? '...' : stats.countriesCount ?? '—'}
@@ -222,7 +222,7 @@ function Dashboard() {
             description="Географическое покрытие"
           />
         </div>
-        <div className="col-md-2">
+        <div className="col-sm-6 col-md-3">
           <MetricCard
             title="Провайдеров"
             value={loading ? '...' : stats.providersCount ?? '—'}
@@ -231,16 +231,16 @@ function Dashboard() {
             description="Облачные провайдеры"
           />
         </div>
-        <div className="col-md-2">
+        <div className="col-sm-6 col-md-3">
           <MetricCard
             title="Онлайн серверов"
             value={loading ? '...' : `${stats.onlineServers ?? '—'}/${stats.totalServers ?? '—'}`}
-            icon={IconShield}
+            icon={IconServer}
             color="success"
             description="Активные серверы"
           />
         </div>
-        <div className="col-md-2">
+        <div className="col-sm-6 col-md-3">
           <MetricCard
             title="Последнее обновление"
             value={loading ? '...' : (stats.lastModified ? stats.lastModified : '—')}