Use DB adapter to unify logic to get, delete automation by auth user

To use place with logic to get, view, delete (and edit soon) automations
by (authenticated) user, instead of scattered across code

src/khoj/database/adapters/__init__.py

@@ -1,12 +1,16 @@
+import json
 import logging
 import math
 import random
+import re
 import secrets
 import sys
 from datetime import date, datetime, timedelta, timezone
 from enum import Enum
-from typing import Callable, List, Optional, Type
+from typing import Callable, Iterable, List, Optional, Type
 
+import cron_descriptor
+from apscheduler.job import Job
 from asgiref.sync import sync_to_async
 from django.contrib.sessions.backends.db import SessionStore
 from django.db import models
@@ -908,3 +912,57 @@ class EntryAdapters:
     @staticmethod
     def get_unique_file_sources(user: KhojUser):
         return Entry.objects.filter(user=user).values_list("file_source", flat=True).distinct().all()
+
+
+class AutomationAdapters:
+    @staticmethod
+    def get_automations(user: KhojUser) -> Iterable[Job]:
+        all_automations: Iterable[Job] = state.scheduler.get_jobs()
+        for automation in all_automations:
+            if automation.id.startswith(f"automation_{user.uuid}_"):
+                yield automation
+
+    @staticmethod
+    def get_automations_metadata(user: KhojUser):
+        for automation in AutomationAdapters.get_automations(user):
+            automation_metadata = json.loads(automation.name)
+            crontime = automation_metadata["crontime"]
+            timezone = automation.next_run_time.strftime("%Z")
+            schedule = f"{cron_descriptor.get_description(crontime)} {timezone}"
+            yield {
+                "id": automation.id,
+                "subject": automation_metadata["subject"],
+                "query_to_run": re.sub(r"^/automated_task\s*", "", automation_metadata["query_to_run"]),
+                "scheduling_request": automation_metadata["scheduling_request"],
+                "schedule": schedule,
+                "next": automation.next_run_time.strftime("%Y-%m-%d %I:%M %p %Z"),
+            }
+
+    @staticmethod
+    def get_automation(user: KhojUser, automation_id: str) -> Job:
+        # Perform validation checks
+        # Check if user is allowed to delete this automation id
+        if not automation_id.startswith(f"automation_{user.uuid}_"):
+            raise ValueError("Invalid automation id")
+        # Check if automation with this id exist
+        automation: Job = state.scheduler.get_job(job_id=automation_id)
+        if not automation:
+            raise ValueError("Invalid automation id")
+
+        return automation
+
+    @staticmethod
+    def delete_automation(user: KhojUser, automation_id: str):
+        # Get valid, user-owned automation
+        automation: Job = AutomationAdapters.get_automation(user, automation_id)
+
+        # Collate info about user automation to be deleted
+        automation_metadata = json.loads(automation.name)
+        automation_info = {
+            "id": automation.id,
+            "name": automation_metadata["query_to_run"],
+            "next": automation.next_run_time.strftime("%Y-%m-%d %I:%M %p %Z"),
+        }
+
+        automation.remove()
+        return automation_info

src/khoj/routers/api.py

@@ -3,7 +3,6 @@ import json
 import logging
 import math
 import os
-import re
 import time
 import uuid
 from typing import Any, Callable, List, Optional, Union
@@ -18,6 +17,7 @@ from starlette.authentication import has_required_scope, requires
 
 from khoj.configure import initialize_content
 from khoj.database.adapters import (
+    AutomationAdapters,
     ConversationAdapters,
     EntryAdapters,
     get_user_photo,
@@ -39,7 +39,7 @@ from khoj.search_filter.date_filter import DateFilter
 from khoj.search_filter.file_filter import FileFilter
 from khoj.search_filter.word_filter import WordFilter
 from khoj.search_type import text_search
-from khoj.utils import constants, state
+from khoj.utils import state
 from khoj.utils.config import OfflineChatProcessorModel
 from khoj.utils.helpers import ConversationCommand, timer
 from khoj.utils.rawconfig import LocationData, SearchResponse
@@ -396,26 +396,9 @@ def user_info(request: Request) -> Response:
 @requires(["authenticated"])
 def get_automations(request: Request) -> Response:
     user: KhojUser = request.user.object
-    automations: list[Job] = state.scheduler.get_jobs()
 
     # Collate all automations created by user that are still active
-    automations_info = []
-    for automation in automations:
-        if automation.id.startswith(f"automation_{user.uuid}_"):
-            automation_metadata = json.loads(automation.name)
-            crontime = automation_metadata["crontime"]
-            timezone = automation.next_run_time.strftime("%Z")
-            schedule = f"{cron_descriptor.get_description(crontime)} {timezone}"
-            automations_info.append(
-                {
-                    "id": automation.id,
-                    "subject": automation_metadata["subject"],
-                    "query_to_run": re.sub(r"^/automated_task\s*", "", automation_metadata["query_to_run"]),
-                    "scheduling_request": automation_metadata["scheduling_request"],
-                    "schedule": schedule,
-                    "next": automation.next_run_time.strftime("%Y-%m-%d %I:%M %p %Z"),
-                }
-            )
+    automations_info = [automation_info for automation_info in AutomationAdapters.get_automations_metadata(user)]
 
     # Return tasks information as a JSON response
     return Response(content=json.dumps(automations_info), media_type="application/json", status_code=200)
@@ -426,25 +409,10 @@ def get_automations(request: Request) -> Response:
 def delete_automation(request: Request, automation_id: str) -> Response:
     user: KhojUser = request.user.object
 
-    # Perform validation checks
-    # Check if user is allowed to delete this automation id
-    if not automation_id.startswith(f"automation_{user.uuid}_"):
-        return Response(content="Unauthorized job deletion request", status_code=403)
-    # Check if automation with this id exist
-    automation: Job = state.scheduler.get_job(job_id=automation_id)
-    if not automation:
-        return Response(content="Invalid job", status_code=403)
-
-    # Collate info about user task to be deleted
-    automation_metadata = json.loads(automation.name)
-    automation_info = {
-        "id": automation.id,
-        "name": automation_metadata["query_to_run"],
-        "next": automation.next_run_time.strftime("%Y-%m-%d %I:%M %p %Z"),
-    }
-
-    # Delete job
-    automation.remove()
+    try:
+        automation_info = AutomationAdapters.delete_automation(user, automation_id)
+    except ValueError as e:
+        return Response(content="Could not find automation", status_code=403)
 
     # Return deleted automation information as a JSON response
     return Response(content=json.dumps(automation_info), media_type="application/json", status_code=200)
@@ -500,13 +468,14 @@ def edit_job(
     # Check at least one of query or crontime is provided
     if not query_to_run and not crontime:
         return Response(content="A query or crontime is required", status_code=400)
-    # Check if user is allowed to edit this automation id
-    if not automation_id.startswith(f"automation_{user.uuid}_"):
-        return Response(content="Unauthorized automation deletion request", status_code=403)
-    # Check if automation with this id exist
-    automation: Job = state.scheduler.get_job(job_id=automation_id)
-    if not automation:
+
+    # Check, get automation to edit
+    try:
+        automation: Job = AutomationAdapters.get_automation(user, automation_id)
+    except ValueError as e:
         return Response(content="Invalid automation", status_code=403)
+
+    # Add /automated_task prefix to query if not present
     if not query_to_run.startswith("/automated_task"):
         query_to_run = f"/automated_task {query_to_run}"