feat: add progress bar and ws client for async import

src/views/admin/ModpacksView.vue

@@ -49,11 +49,21 @@
                     <input id="sourceUrl" v-model="form.sourceUrl" type="url" :required="form.importMethod === 'url'" />
                 </div>
 
-                <div v-if="error" class="error-message">{{ error }}</div>
+                <div v-if="importJob.jobId" class="job-status">
-                <div v-if="successMessage" class="success-message">{{ successMessage }}</div>
+                    <h3>Статус импорта</h3>
+                    <div class="progress-bar">
+                        <div class="progress" :style="{ width: importJob.progress + '%' }"></div>
+                    </div>
+                    <p>{{ importJob.message }} ({{ importJob.progress }}%)</p>
+                    <div v-if="importJob.status === 'failed'" class="error-message">Ошибка: {{ importJob.message }}</div>
+                    <div v-if="importJob.status === 'completed'" class="success-message">Импорт успешно завершен!</div>
+                </div>
 
-                <button type="submit" :disabled="isLoading">
+                <div v-if="error && !importJob.jobId" class="error-message">{{ error }}</div>
-                    {{ isLoading ? "Импорт..." : "Импортировать" }}
+                <!-- <div v-if="successMessage" class="success-message">{{ successMessage }}</div> -->
+
+                <button type="submit" :disabled="isLoading || (importJob.jobId !== null && importJob.status !== 'completed' && importJob.status !== 'failed')">
+                    {{ isLoading ? "Запуск..." : "Импортировать" }}
                 </button>
             </form>
         </div>
@@ -61,8 +71,11 @@
 </template>
 
 <script setup lang="ts">
-import { ref, reactive, watch } from "vue";
+import { ref, reactive, watch, onUnmounted } from "vue";
 import apiClient from "@/api/axios";
+import { useAuthStore } from "@/stores/auth";
+
+const authStore = useAuthStore();
 
 const form = reactive({
     name: "",
@@ -78,6 +91,16 @@ const isLoading = ref(false);
 const error = ref<string | null>(null);
 const successMessage = ref<string | null>(null);
 
+// Состояние задачи импорта
+const importJob = reactive({
+    jobId: null as number | null,
+    status: "" as string,
+    progress: 0,
+    message: "" as string,
+});
+
+let ws: WebSocket | null = null;
+
 watch(
     () => form.importerType,
     (newType) => {
@@ -94,6 +117,57 @@ const onFileSelected = (event: Event) => {
     }
 };
 
+const connectWebSocket = () => {
+    if (ws) {
+        ws.close();
+    }
+
+    const protocol = window.location.protocol === "https:" ? "wss:" : "ws:";
+    const host = window.location.host;
+    const url = `${protocol}//${host}/api/admin/ws/jobs?token=${authStore.token}`;
+
+    ws = new WebSocket(url);
+
+    ws.onmessage = (event) => {
+        try {
+            const data = JSON.parse(event.data);
+            if (data.job_id === importJob.jobId) {
+                importJob.status = data.status;
+                importJob.progress = data.progress;
+                importJob.message = data.error_message || getStatusMessage(data.status);
+                
+                if (data.status === 'completed') {
+                    successMessage.value = "Импорт завершен!";
+                    isLoading.value = false;
+                } else if (data.status === 'failed') {
+                    error.value = data.error_message;
+                    isLoading.value = false;
+                }
+            }
+        } catch (e) {
+            console.error("WS parse error", e);
+        }
+    };
+
+    ws.onclose = () => {
+        console.log("WS closed");
+        if (importJob.status !== 'completed' && importJob.status !== 'failed' && importJob.jobId) {
+            // Reconnect logic could be here
+        }
+    };
+};
+
+const getStatusMessage = (status: string) => {
+    switch (status) {
+        case 'pending': return 'Ожидание очереди...';
+        case 'downloading': return 'Скачивание файлов...';
+        case 'processing': return 'Обработка...';
+        case 'completed': return 'Готово';
+        case 'failed': return 'Ошибка';
+        default: return status;
+    }
+};
+
 const handleImport = async () => {
     if (form.importMethod === "file" && !form.file) {
         error.value = "Пожалуйста, выберите файл для импорта.";
@@ -108,6 +182,12 @@ const handleImport = async () => {
     error.value = null;
     successMessage.value = null;
     
+    // Сброс состояния задачи
+    importJob.jobId = null;
+    importJob.status = "";
+    importJob.progress = 0;
+    importJob.message = "";
+
     const formData = new FormData();
     formData.append("name", form.name);
     formData.append("displayName", form.displayName);
@@ -127,13 +207,28 @@ const handleImport = async () => {
                 "Content-Type": "multipart/form-data",
             },
         });
-        successMessage.value = response.data;
+        
+        // Обработка асинхронного ответа
+        if (response.status === 202 && response.data.job_id) {
+            importJob.jobId = response.data.job_id;
+            importJob.status = 'pending';
+            importJob.message = 'Задача создана...';
+            connectWebSocket();
+        } else {
+             // Fallback for sync behavior (old) or other codes
+            successMessage.value = response.data;
+            isLoading.value = false;
+        }
+
     } catch (e: any) {
         error.value = e.response?.data || "Произошла ошибка при импорте.";
-    } finally {
         isLoading.value = false;
     }
 };
+
+onUnmounted(() => {
+    if (ws) ws.close();
+});
 </script>
 
 <style scoped>