feat(websocket): frontend websocket

polylan_submitter/polylan_submitter/asgi.py

@@ -22,8 +22,6 @@ from submissions.routing import websocket_urlpatterns
 application = ProtocolTypeRouter(
     {
         "http": django_asgi_app,
-        "websocket": AuthMiddlewareStack(
+        "websocket": AuthMiddlewareStack(URLRouter(websocket_urlpatterns)),
-            URLRouter(websocket_urlpatterns)
-        ),
     }
 )

polylan_submitter/polylan_submitter/settings.py

@@ -173,6 +173,7 @@ CHANNEL_LAYERS = {
         "BACKEND": "channels_redis.core.RedisChannelLayer",
         "CONFIG": {
             "hosts": [("127.0.0.1", 6379)],
+            "serializer_format": "cjson",
         },
     },
 }

polylan_submitter/src/Submissions.vue

@@ -1,8 +1,9 @@
 <script setup lang="ts">
-import { ref, onMounted } from "vue";
+import { ref, onMounted, onUnmounted } from "vue";
 import { storeToRefs } from "pinia";
 import { useUserStore } from "@/stores/user";
 import { submissionsApiCreateSubmission, submissionsApiListUserSubmissions, submissionsApiCreateImageCrop, submissionsApiDeleteImageCrop, submissionsApiProcessFileOcr, submissionsApiProcessCropOcr } from "@/api";
+import { useSubmissionsWebSocket } from "@/composables/useSubmissionsWebSocket";
 
 interface Props {
   gamePath?: string;
@@ -39,6 +40,8 @@ const cropStartY = ref(0);
 const currentCrop = ref<{ x1: number; y1: number; x2: number; y2: number } | null>(null);
 const cropLabel = ref("");
 const isCreatingCrop = ref(false);
+const uploadLimitExceeded = ref<string>("");
+const MAX_FILES = 5;
 
 const openFilePreview = async (file: File) => {
   selectedFile.value = file;
@@ -337,10 +340,28 @@ const getFileIcon = (file: File | null | { type?: string }) => {
   return "mdi-file";
 };
 
+const addFiles = (filesToAdd: File[]) => {
+  const totalFiles = uploadedFiles.value.length + filesToAdd.length;
+
+  if (totalFiles > MAX_FILES) {
+    const canAdd = MAX_FILES - uploadedFiles.value.length;
+    uploadLimitExceeded.value = `Maximum ${MAX_FILES} files allowed. You can add ${canAdd} more file${canAdd !== 1 ? 's' : ''}.`;
+    setTimeout(() => {
+      uploadLimitExceeded.value = "";
+    }, 5000);
+
+    // Add only the files that fit
+    uploadedFiles.value.push(...filesToAdd.slice(0, canAdd));
+  } else {
+    uploadedFiles.value.push(...filesToAdd);
+    uploadLimitExceeded.value = "";
+  }
+};
+
 const handleFileUpload = (event: Event) => {
   const input = event.target as HTMLInputElement;
   if (input.files) {
-    uploadedFiles.value = Array.from(input.files);
+    addFiles(Array.from(input.files));
   }
 };
 
@@ -362,10 +383,11 @@ const handleDrop = (event: DragEvent) => {
   isDragover.value = false;
 
   if (event.dataTransfer?.files) {
-    uploadedFiles.value = Array.from(event.dataTransfer.files);
+    addFiles(Array.from(event.dataTransfer.files));
   }
 };
 
+
 const removeFile = (index: number) => {
   uploadedFiles.value.splice(index, 1);
 };
@@ -444,9 +466,44 @@ const loadUserSubmissions = async () => {
   }
 };
 
+const { isConnected: wsConnected } = useSubmissionsWebSocket(userSubmissions);
+const isUploadAreaHovered = ref(false);
+
+const handlePasteOnUploadArea = (event: ClipboardEvent) => {
+  if (!isUploadAreaHovered.value) return;
+
+  event.preventDefault();
+  const clipboardItems = event.clipboardData?.items;
+
+  if (!clipboardItems) return;
+
+  const filesToAdd: File[] = [];
+  for (let i = 0; i < clipboardItems.length; i++) {
+    const item = clipboardItems[i];
+
+    if (item.kind === 'file' && item.type.startsWith('image/')) {
+      const file = item.getAsFile();
+      if (file) {
+        filesToAdd.push(file);
+      }
+    }
+  }
+
+  if (filesToAdd.length > 0) {
+    addFiles(filesToAdd);
+  }
+};
+
 onMounted(() => {
   userStore.loadUserData();
   loadUserSubmissions();
+
+  // Add paste listener (only processes if hovering upload area)
+  window.addEventListener('paste', handlePasteOnUploadArea);
+});
+
+onUnmounted(() => {
+  window.removeEventListener('paste', handlePasteOnUploadArea);
 });
 </script>
 
@@ -461,6 +518,15 @@ onMounted(() => {
         </button>
         <h1 class="text-xl font-bold">{{ gameName }} Submissions</h1>
         <div class="flex-1"></div>
+
+        <!-- WebSocket Status Indicator -->
+        <div class="flex items-center gap-2">
+          <div :class="['badge', wsConnected ? 'badge-success' : 'badge-warning']">
+            <i :class="['mdi mr-1', wsConnected ? 'mdi-wifi' : 'mdi-wifi-off']"></i>
+            {{ wsConnected ? 'Live' : 'Offline' }}
+          </div>
+        </div>
+
         <a href="/api/docs" class="btn btn-xs">API docs</a>
         <a v-if="userInfo.isStaff" href="/admin" class="btn btn-xs btn-warning">Admin panel</a>
       </div>
@@ -496,7 +562,7 @@ onMounted(() => {
               </h2>
 
               <!-- Upload Area -->
-              <div @dragover="handleDragover" @dragleave="handleDragleave" @drop="handleDrop" :class="[
+              <div @dragover="handleDragover" @dragleave="handleDragleave" @drop="handleDrop" @mouseenter="isUploadAreaHovered = true" @mouseleave="isUploadAreaHovered = false" :class="[
                 'border-2 border-dashed rounded-lg p-8 text-center transition-colors cursor-pointer bg-base-200/50 mb-6',
                 isDragover ? 'border-primary bg-primary/10' : 'border-base-300 hover:border-primary'
               ]">
@@ -507,12 +573,23 @@ onMounted(() => {
                     isDragover ? 'mdi-cloud-check text-primary' : 'mdi-file-upload text-base-content/50'
                   ]"></i>
                   <div>
-                    <p class="font-semibold">Click to upload or drag and drop</p>
+                    <p class="font-semibold">Click to upload, drag and drop, or paste</p>
-                    <p class="text-sm text-base-content/70">Any file type supported</p>
+                    <p class="text-sm text-base-content/70">Any file type supported • Images from clipboard welcome</p>
                   </div>
                 </label>
               </div>
 
+              <!-- File Limit Warning -->
+              <div v-if="uploadLimitExceeded" class="alert alert-warning mb-4">
+                <i class="mdi mdi-alert-circle"></i>
+                <span>{{ uploadLimitExceeded }}</span>
+              </div>
+
+              <!-- File Count -->
+              <div v-if="uploadedFiles.length > 0" class="mb-3 text-sm text-base-content/70">
+                <span class="font-medium">{{ uploadedFiles.length }}/{{ MAX_FILES }}</span> files selected
+              </div>
+
               <!-- Uploaded Files List -->
               <div v-if="uploadedFiles.length > 0" class="mb-6">
                 <p class="font-semibold mb-3">Selected Files:</p>
@@ -809,41 +886,73 @@ onMounted(() => {
                 </span>
               </div>
               <div class="flex-1 overflow-auto border border-base-300 rounded-lg p-4 bg-base-200">
-                <div v-if="selectedSubmissionFile?.ocr_status === 'processed' && selectedSubmissionFile.ocr_raw_data">
+                <div class="space-y-4">
-                  <div class="space-y-3">
+                  <!-- File OCR Data -->
-                    <div>
+                  <div v-if="selectedSubmissionFile?.ocr_status === 'processed' && selectedSubmissionFile.ocr_raw_data">
-                      <div class="flex items-center justify-between mb-2">
+                    <div class="space-y-3">
-                        <p class="text-xs font-semibold text-base-content/70">Extracted Text:</p>
+                      <div>
-                        <button @click="copyOCRText" class="btn btn-xs btn-ghost gap-1">
+                        <div class="flex items-center justify-between mb-2">
-                          <i class="mdi mdi-content-copy"></i>
+                          <p class="text-xs font-semibold text-base-content/70">File - Extracted Text:</p>
-                          {{ copyFeedback || "Copy" }}
+                          <button @click="copyOCRText" class="btn btn-xs btn-ghost gap-1">
-                        </button>
+                            <i class="mdi mdi-content-copy"></i>
-                      </div>
+                            {{ copyFeedback || "Copy" }}
-                      <div
+                          </button>
-                        class="bg-base-100 p-3 rounded text-xs whitespace-pre-wrap break-words font-mono overflow-y-auto h-full">
+                        </div>
-                        {{ selectedSubmissionFile.ocr_raw_data }}
+                        <div
+                          class="bg-base-100 p-3 rounded text-xs whitespace-pre-wrap break-words font-mono overflow-y-auto">
+                          {{ selectedSubmissionFile.ocr_raw_data }}
+                        </div>
                       </div>
                     </div>
                   </div>
-                </div>
+                  <div v-else-if="selectedSubmissionFile?.ocr_status === 'processing'"
-                <div v-else-if="selectedSubmissionFile?.ocr_status === 'processing'"
+                    class="flex items-center justify-center py-8">
-                  class="flex items-center justify-center h-full">
+                    <div class="text-center">
-                  <div class="text-center">
+                      <span class="loading loading-spinner loading-lg"></span>
-                    <span class="loading loading-spinner loading-lg"></span>
+                      <p class="text-base-content/70 mt-4">OCR is being processed...</p>
-                    <p class="text-base-content/70 mt-4">OCR is being processed...</p>
+                    </div>
                   </div>
-                </div>
+                  <div v-else-if="selectedSubmissionFile?.ocr_status === 'error'"
-                <div v-else-if="selectedSubmissionFile?.ocr_status === 'error'"
+                    class="flex items-center justify-center py-8">
-                  class="flex items-center justify-center h-full">
+                    <div class="text-center">
-                  <div class="text-center">
+                      <i class="mdi mdi-alert-circle text-4xl text-error mb-2"></i>
-                    <i class="mdi mdi-alert-circle text-4xl text-error mb-2"></i>
+                      <p class="text-base-content/70">OCR processing failed</p>
-                    <p class="text-base-content/70">OCR processing failed</p>
+                    </div>
                   </div>
-                </div>
+                  <div v-else-if="!selectedSubmissionFile?.ocr_raw_data"
-                <div v-else class="flex items-center justify-center h-full">
+                    class="flex items-center justify-center py-8">
-                  <div class="text-center">
+                    <div class="text-center">
-                    <i class="mdi mdi-clock-outline text-4xl text-base-content/30 mb-2"></i>
+                      <i class="mdi mdi-clock-outline text-4xl text-base-content/30 mb-2"></i>
-                    <p class="text-base-content/70">Waiting for OCR processing...</p>
+                      <p class="text-base-content/70">Waiting for OCR processing...</p>
+                    </div>
+                  </div>
+
+                  <!-- Crops OCR Data -->
+                  <div v-if="selectedSubmissionFile?.crops?.length"
+                    class="space-y-3 pt-4 border-t border-base-300">
+                    <p class="text-xs font-semibold text-base-content/70">Crop OCR Results ({{ selectedSubmissionFile.crops.length }}):</p>
+                    <div v-for="crop in selectedSubmissionFile.crops" :key="crop.id" class="space-y-2">
+                      <div class="flex items-center justify-between">
+                        <p class="text-xs font-medium">{{ crop.label || `Crop (${crop.x1}, ${crop.y1})` }}</p>
+                        <span :class="getOCRStatusColor(crop.ocr_status)">{{ crop.ocr_status }}</span>
+                      </div>
+                      <div v-if="crop.ocr_status === 'processed' && crop.ocr_raw_data"
+                        class="bg-base-100 p-2 rounded text-xs whitespace-pre-wrap break-words font-mono max-h-32 overflow-y-auto">
+                        {{ crop.ocr_raw_data }}
+                      </div>
+                      <div v-else-if="crop.ocr_status === 'processing'" class="text-xs text-base-content/70 text-center py-2">
+                        <span class="loading loading-spinner loading-sm inline-block"></span>
+                        Processing...
+                      </div>
+                      <div v-else-if="crop.ocr_status === 'error'" class="text-xs text-error text-center py-2">
+                        <i class="mdi mdi-alert-circle mr-1"></i>
+                        Processing failed
+                      </div>
+                      <div v-else class="text-xs text-base-content/50 text-center py-2">
+                        <i class="mdi mdi-clock-outline mr-1"></i>
+                        Pending
+                      </div>
+                    </div>
                   </div>
                 </div>
               </div>

polylan_submitter/src/composables/useSubmissionsWebSocket.ts

@@ -0,0 +1,156 @@
+import { ref, computed, onBeforeUnmount } from 'vue'
+import { useWebSocket } from '@vueuse/core'
+
+interface SubmissionUpdate {
+  id: string
+  game_id?: number
+  notes?: string
+  files?: SubmissionFileUpdate[]
+  created_at: string
+  updated_at: string
+}
+
+interface SubmissionFileUpdate {
+  id: string
+  original_filename: string
+  content_type: string
+  file_size: number
+  file_url?: string
+  ocr_status: string
+  ocr_raw_data: string
+  crops?: ImageCropUpdate[]
+}
+
+interface ImageCropUpdate {
+  id: string
+  x1: number
+  y1: number
+  x2: number
+  y2: number
+  label: string
+  ocr_status: string
+  ocr_raw_data: string
+  created_at: string
+}
+
+type WebSocketData = SubmissionUpdate | SubmissionFileUpdate | ImageCropUpdate
+
+export function useSubmissionsWebSocket(userSubmissions: any) {
+  const isConnected = ref(false)
+  const reconnectAttempts = ref(0)
+  const maxReconnectAttempts = 10
+  const reconnectDelay = ref(3000)
+
+  const wsUrl = computed(() => {
+    const protocol = window.location.protocol === 'https:' ? 'wss:' : 'ws:'
+    return `${protocol}//${window.location.host}/ws/submissions/`
+  })
+
+  const {
+    status,
+    open,
+    close,
+  } = useWebSocket(wsUrl.value, {
+    onConnected: () => {
+      isConnected.value = true
+      reconnectAttempts.value = 0
+      reconnectDelay.value = 3000
+      console.log('✓ Connected to submissions WebSocket')
+    },
+    onDisconnected: () => {
+      isConnected.value = false
+      console.log('✗ Disconnected from submissions WebSocket, attempting to reconnect...')
+      attemptReconnect()
+    },
+    onError: (event) => {
+      console.error('WebSocket error:', event)
+    },
+    onMessage: (_ws, event) => {
+      try {
+        const messageData = event.data as string
+        const data = JSON.parse(messageData) as WebSocketData
+
+        if ('files' in data) {
+          handleSubmissionUpdate(data as SubmissionUpdate)
+        } else if ('original_filename' in data) {
+          handleFileUpdate(data as SubmissionFileUpdate)
+        } else if ('x1' in data) {
+          handleCropUpdate(data as ImageCropUpdate)
+        }
+      } catch (error) {
+        console.error('Failed to parse WebSocket message:', error)
+      }
+    },
+    immediate: true,
+  })
+
+  const attemptReconnect = () => {
+    if (reconnectAttempts.value >= maxReconnectAttempts) {
+      console.error('Max reconnection attempts reached')
+      return
+    }
+
+    reconnectAttempts.value++
+    const delay = reconnectDelay.value * Math.pow(1.5, reconnectAttempts.value - 1)
+
+    console.log(`Reconnecting (attempt ${reconnectAttempts.value}/${maxReconnectAttempts}) in ${Math.round(delay / 1000)}s...`)
+
+    setTimeout(() => {
+      open()
+    }, delay)
+  }
+
+  const handleSubmissionUpdate = (submission: SubmissionUpdate) => {
+    const existingIndex = userSubmissions.value.findIndex((s: any) => s.id === submission.id)
+
+    if (existingIndex >= 0) {
+      // Merge into existing object to preserve references
+      Object.assign(userSubmissions.value[existingIndex], submission)
+    } else {
+      userSubmissions.value.unshift(submission)
+    }
+
+    console.log('Updated submission:', submission.id)
+  }
+
+  const handleFileUpdate = (file: SubmissionFileUpdate) => {
+    userSubmissions.value.forEach((submission: any) => {
+      if (!submission.files) return
+
+      const fileIndex = submission.files.findIndex((f: any) => f.id === file.id)
+      if (fileIndex >= 0) {
+        // Merge into existing object to preserve references
+        Object.assign(submission.files[fileIndex], file)
+        console.log('Updated file:', file.id)
+      }
+    })
+  }
+
+  const handleCropUpdate = (crop: ImageCropUpdate) => {
+    userSubmissions.value.forEach((submission: any) => {
+      if (!submission.files) return
+
+      submission.files.forEach((file: any) => {
+        if (!file.crops) return
+
+        const cropIndex = file.crops.findIndex((c: any) => c.id === crop.id)
+        if (cropIndex >= 0) {
+          // Merge into existing object to preserve references
+          Object.assign(file.crops[cropIndex], crop)
+          console.log('Updated crop:', crop.id)
+        }
+      })
+    })
+  }
+
+  onBeforeUnmount(() => {
+    close()
+  })
+
+  return {
+    isConnected,
+    status,
+    open,
+    close,
+  }
+}

polylan_submitter/submissions/apps.py

@@ -1,4 +1,17 @@
 from django.apps import AppConfig
+from django.core.serializers.json import DjangoJSONEncoder
+
+from channels_redis.serializers import JSONSerializer, registry
+
+import json
+
+
+class CJSONSerializer(JSONSerializer):
+    """Override `JSONSerializer` to use `DjangoJSONEncoder`."""
+
+    def as_bytes(self, message, *args, **kwargs):  # noqa: ANN001 ANN002 ANN003 ANN201
+        message = json.dumps(message, *args, **kwargs, cls=DjangoJSONEncoder)
+        return message.encode("utf-8")
 
 
 class SubmissionsConfig(AppConfig):
@@ -6,4 +19,6 @@ class SubmissionsConfig(AppConfig):
     name = "submissions"
 
     def ready(self):
+        registry.register_serializer("cjson", CJSONSerializer)
+
         import submissions.signals  # noqa

polylan_submitter/submissions/consumers.py

@@ -1,11 +1,7 @@
 import json
 from channels.generic.websocket import AsyncWebsocketConsumer
-from channels.db import database_sync_to_async
 from django.contrib.auth.models import AnonymousUser
 
-from submissions.models import Submission, SubmissionFile, ImageCrop
-from submissions.schemas import SubmissionOut, SubmissionFileOut, ImageCropOut
-
 
 class SubmissionsConsumer(AsyncWebsocketConsumer):
     async def connect(self):

polylan_submitter/submissions/schemas.py

@@ -1,7 +1,6 @@
 from datetime import datetime
 from uuid import UUID
 from ninja import Schema
-from pydantic import BaseModel, ConfigDict
 
 
 class ImageCropIn(Schema):
@@ -12,9 +11,7 @@ class ImageCropIn(Schema):
     label: str | None = None
 
 
-class ImageCropOut(BaseModel):
+class ImageCropOut(Schema):
-    model_config = ConfigDict(from_attributes=True)
-
     id: UUID
     x1: int
     y1: int
@@ -26,9 +23,7 @@ class ImageCropOut(BaseModel):
     created_at: datetime
 
 
-class SubmissionFileOut(BaseModel):
+class SubmissionFileOut(Schema):
-    model_config = ConfigDict(from_attributes=True)
-
     id: UUID
     original_filename: str
     content_type: str
@@ -39,9 +34,7 @@ class SubmissionFileOut(BaseModel):
     crops: list[ImageCropOut] = []
 
 
-class SubmissionOut(BaseModel):
+class SubmissionOut(Schema):
-    model_config = ConfigDict(from_attributes=True)
-
     id: UUID
     game_id: int | None = None
     notes: str | None = None

polylan_submitter/submissions/signals.py

@@ -1,4 +1,3 @@
-import json
 from django.db.models.signals import post_save
 from django.dispatch import receiver
 from asgiref.sync import async_to_sync
@@ -17,15 +16,14 @@ def broadcast_submission_update(sender, instance, created, **kwargs):
         return
 
     user_group_name = f"submissions_user_{instance.user.id}"
-    schema = SubmissionOut.model_validate(instance)
+    submission_data = SubmissionOut.from_orm(instance).dict()
-    submission_data = schema.model_dump(mode="json")
 
     async_to_sync(channel_layer.group_send)(
         user_group_name,
         {
             "type": "submission.updated",
             "submission": submission_data,
-        }
+        },
     )
 
 
@@ -36,15 +34,14 @@ def broadcast_submission_file_update(sender, instance, created, **kwargs):
         return
 
     user_group_name = f"submissions_user_{submission.user.id}"
-    schema = SubmissionFileOut.model_validate(instance)
+    file_data = SubmissionFileOut.from_orm(instance).dict()
-    file_data = schema.model_dump(mode="json")
 
     async_to_sync(channel_layer.group_send)(
         user_group_name,
         {
             "type": "submission.file.updated",
             "file": file_data,
-        }
+        },
     )
 
 
@@ -55,13 +52,12 @@ def broadcast_image_crop_update(sender, instance, created, **kwargs):
         return
 
     user_group_name = f"submissions_user_{submission.user.id}"
-    schema = ImageCropOut.model_validate(instance)
+    crop_data = ImageCropOut.from_orm(instance).dict()
-    crop_data = schema.model_dump(mode="json")
 
     async_to_sync(channel_layer.group_send)(
         user_group_name,
         {
             "type": "submission.crop.updated",
             "crop": crop_data,
-        }
+        },
     )

polylan_submitter/submissions/tasks.py

@@ -5,25 +5,28 @@ from PIL import Image
 import pytesseract
 
 
-def _process_ocr_file(file) -> bool:
+def _process_ocr_file(obj, file, crop: ImageCrop | None = None) -> bool:
-    if file.ocr_status != OCRStatus.TO_PROCESS:
+    if obj.ocr_status != OCRStatus.TO_PROCESS:
         return False
 
-    file.ocr_status = OCRStatus.PROCESSING
+    obj.ocr_status = OCRStatus.PROCESSING
-    file.save(update_fields=["ocr_status"])
+    obj.save(update_fields=["ocr_status"])
 
     try:
-        file.ocr_raw_data = pytesseract.image_to_string(Image.open(file.file))
+        image = Image.open(file)
 
-    except Exception:
+        if crop:
-        file.ocr_status = OCRStatus.ERROR
+            image = image.crop((crop.x1, crop.y1, crop.x2, crop.y2))
-        file.save(update_fields=["ocr_status"])
 
-        return False
+        obj.ocr_raw_data = pytesseract.image_to_string(image)
+        obj.ocr_status = OCRStatus.PROCESSED
+
+    except Exception as e:
+        obj.ocr_status = OCRStatus.ERROR
+        raise e
 
     finally:
-        file.ocr_status = OCRStatus.PROCESSED
+        obj.save(update_fields=["ocr_status", "ocr_raw_data"])
-        file.save(update_fields=["ocr_status", "ocr_raw_data"])
 
     return True
 
@@ -42,7 +45,7 @@ def process_submission_file(file_id: str):
     if not file:
         return
 
-    _process_ocr_file(file)
+    _process_ocr_file(file, file.file)
 
     process_crops.enqueue(file_id)
 
@@ -65,4 +68,4 @@ def process_crop(crop_id: str):
     if not crop:
         return
 
-    _process_ocr_file(crop)
+    _process_ocr_file(crop, crop.submission_file.file, crop=crop)