Add in requested changes

.env.sample

@@ -21,3 +21,10 @@ ADMIN_PASSWORD = ''
 
 # To insert test data or not (UNUSED)
 TEST_DATA = "True"
+
+# Ollama for Categorization 
+OLLAMA_URL = "localhost:11434"
+OLLAMA_USE_AUTH = "False"
+OLLAMA_MODEL = "knoopx/mobile-vlm:3b-fp16"
+OLLAMA_USERNAME = ""
+OLLAMA_PASSWORD = ""

docmanager_backend/accounts/permissions.py

@@ -8,7 +8,8 @@ class IsStaff(BasePermission):
 
     def has_permission(self, request, view):
         return bool(
-            request.user and request.user.role in ("head", "admin", "planning", "staff")
+            request.user and request.user.role in (
+                "head", "admin", "planning", "staff")
         )
 
 
@@ -18,7 +19,7 @@ class IsPlanning(BasePermission):
     """
 
     def has_permission(self, request, view):
-        return bool(request.user and request.user.role in ("head", "admin", "planning"))
+        return bool(request.user and request.user.role == "planning")
 
 
 class IsHead(BasePermission):

docmanager_backend/accounts/serializers.py

@@ -6,7 +6,7 @@ from rest_framework.settings import api_settings
 
 
 class CustomUserSerializer(serializers.ModelSerializer):
-    birthday = serializers.DateField(format="%m-%d-%Y")
+    birthday = serializers.DateField(format="%Y-%m-%d")
 
     class Meta:
         model = CustomUser

docmanager_backend/accounts/signals.py

@@ -10,19 +10,48 @@ from .models import CustomUser
 def create_admin_user(sender, **kwargs):
     # Programatically creates the administrator account
     if sender.name == "accounts":
-        ADMIN_USER = CustomUser.objects.filter(
+        users = [{
-            email=get_secret("ADMIN_EMAIL")).first()
+            "email": get_secret("ADMIN_EMAIL"),
-        if not ADMIN_USER:
+            "role": "head",
-            ADMIN_USER = CustomUser.objects.create_superuser(
+            "admin": True,
-                username=get_secret("ADMIN_EMAIL"),
+        }, {
-                email=get_secret("ADMIN_EMAIL"),
+            "email": "staff@test.com",
+            "role": "staff",
+            "admin": False,
+        }, {
+            "email": "planning@test.com",
+            "role": "planning",
+            "admin": False,
+        }, {
+            "email": "client@test.com",
+            "role": "client",
+            "admin": False,
+        },]
+        for user in users:
+            USER = CustomUser.objects.filter(
+                email=user["email"]).first()
+            if not USER:
+                if user["admin"]:
+                    USER = CustomUser.objects.create_superuser(
+                        username=user["email"],
+                        email=user["email"],
                         password=get_secret("ADMIN_PASSWORD"),
                         sex="male",
                         birthday=localdate(now()),
+                        role=user["role"]
                     )
+                else:
+                    USER = CustomUser.objects.create_user(
+                        username=user["email"],
+                        email=user["email"],
+                        password=get_secret("ADMIN_PASSWORD"),
+                        sex="male",
+                        birthday=localdate(now()),
+                        role=user["role"]
 
-            print("Created administrator account:", ADMIN_USER.email)
+                    )
+                print(f"Created {user['role']} account: {USER.email}")
 
-            ADMIN_USER.first_name = "Administrator"
+                USER.first_name = f"DEBUG_USER:{USER.email}"
-            ADMIN_USER.is_active = True
+                USER.is_active = True
-            ADMIN_USER.save()
+                USER.save()

docmanager_backend/config/management/commands/start_watcher.py

@@ -1,4 +1,7 @@
-from django.core.management.base import BaseCommand, CommandError
+from ollama import ChatResponse
+import base64
+import httpx
+from django.core.management.base import BaseCommand
 
 from io import BytesIO
 from documents.models import Document
@@ -10,9 +13,11 @@ from config.settings import MEDIA_ROOT
 from watchdog.observers import Observer
 from watchdog.events import FileSystemEventHandler
 from documents.models import Document
+from config.settings import get_secret
 from django.core.files import File
 import logging
 import time
+from ollama import Client
 
 
 class PDFHandler(FileSystemEventHandler):
@@ -36,8 +41,26 @@ class PDFHandler(FileSystemEventHandler):
 
     def process_pdf(self, file_path):
         try:
-            filename = os.path.basename(file_path)
+            # Get the original filename and directory
-            filename = str(filename).replace(" ", "")
+            original_filename = os.path.basename(file_path)
+            original_dir = os.path.dirname(file_path)
+
+            # Check if the filename contains spaces
+            if " " in original_filename:
+                # Create the new filename by replacing spaces
+                new_filename = original_filename.replace(" ", "_")
+
+                # Construct the new full file path
+                new_file_path = os.path.join(original_dir, new_filename)
+
+                # Rename the file
+                os.rename(file_path, new_file_path)
+
+                # Update the filename and file_path variables
+                filename = new_filename
+                file_path = new_file_path
+            else:
+                filename = original_filename
             metadata = ""
             document_type = ""
 
@@ -60,12 +83,62 @@ class PDFHandler(FileSystemEventHandler):
                     # Perform OCR
                     text = pytesseract.image_to_string(img).strip()
 
+                    # Get document category
+                    # Try to pass image to the Ollama image recognition API first
+                    try:
+                        client = Client(
+                            host=get_secret("OLLAMA_URL"),
+                            auth=httpx.BasicAuth(
+                                username=get_secret("OLLAMA_USERNAME"), password=get_secret("OLLAMA_PASSWORD")) if get_secret("OLLAMA_USE_AUTH") else None
+                        )
+
+                        encoded_image = base64.b64encode(
+                            img_buffer.getvalue()).decode()
+
+                        attempts = 0
+                        while True:
+                            if attempts >= 3:
+                                raise Exception(
+                                    "Unable to categorize using Ollama API")
+                            attempts += 1
+
+                            content = f"""
+                            Read the text from the image and provide a category.
+
+                            Possible categories are: Announcement, Manual, Form
+
+                            Respond only with the category. No explanations are necessary.
+                            """
+
+                            response: ChatResponse = client.chat(
+                                model=get_secret("OLLAMA_MODEL"),
+                                messages=[
+                                    {"role": "user", "content": content,
+                                        "images": [encoded_image]},
+                                ],
+                            )
+
+                            document_type = response["message"]["content"].replace(
+                                "*", "").replace(".", "")
+
+                            # A few safety checks if the model does not follow through with output instructions
+                            if len(document_type) > 16:
+                                self.logger.warning(
+                                    f"Ollama API gave incorrect document category: {response['message']['content']}. Retrying...")
+                            break
+
+                    # If that fails, just use regular OCR read the title as a dirty fix/fallback
+                    except Exception as e:
+                        self.logger.warning(f"Error! {e}")
+                        self.logger.warning(
+                            "Ollama OCR offloading failed. Falling back to default OCR")
                         lines = text.split("\n")
 
                         for line in lines:
                             if line.strip():
                                 document_type = line.strip().lower()
                                 break
+
                         if not document_type:
                             document_type = "other"
 
@@ -73,7 +146,7 @@ class PDFHandler(FileSystemEventHandler):
 
             # Open the file for instance creation
             DOCUMENT, created = Document.objects.get_or_create(
-                name=filename,
+                name=filename.replace(".pdf", ""),
                 defaults={
                     "number_pages": num_pages,
                     "ocr_metadata": metadata,
@@ -85,8 +158,7 @@ class PDFHandler(FileSystemEventHandler):
                 DOCUMENT.file.save(
                     name=filename, content=File(open(file_path, "rb")))
                 self.logger.info(
-                    f"Document '{filename}' created successfully with type '{
+                    f"Document '{filename}' created successfully with type '{document_type}'."
-                        document_type}'."
                 )
 
             else:

docmanager_backend/documents/admin.py

@@ -8,4 +8,4 @@ from .models import Document
 class DocumentAdmin(ModelAdmin):
     model = Document
     search_fields = ["id", "name", "document_type"]
-    list_display = ["id", "name", "document_type"]
+    list_display = ["id", "name", "document_type", "date_uploaded"]

docmanager_backend/documents/views.py

@@ -51,7 +51,7 @@ class DocumentListView(generics.ListAPIView):
 
     http_method_names = ["get"]
     serializer_class = DocumentSerializer
-    queryset = Document.objects.all()
+    queryset = Document.objects.all().order_by("-date_uploaded")
     pagination_class = PageNumberPagination
     permission_classes = [IsAuthenticated]
 

docmanager_backend/emails/templates/request_approved.html

@@ -10,7 +10,7 @@
   {% trans 'Please visit the site to check your request:' %}
   {{ url|safe }}
 
-  {% trans 'For hardcopy requests, please proceed to the USTP office to avail of your requested copies:' %}
+  {% trans 'For hardcopy requests, please proceed to the USTP office to avail of your requested copies. Hardcopy requests are valid only within 1 month of requesting.' %}
 {% endblock %}
 
 {% block html_body %}
@@ -27,6 +27,6 @@
   </p>
 
   <p>
-    {% trans 'For hardcopy requests, please proceed to the USTP office to avail of your requested copies:' %}
+    {% trans 'For hardcopy requests, please proceed to the USTP office to avail of your requested copies. Hardcopy requests are valid only within 1 month of requesting.' %}
   </p>
 {% endblock %}