Version Khoj API, Update frontends, tests and docs to reflect it

- Split router.py into v1.0, beta and frontend (no-prefix) api modules
  under new router package. Version tag in main.py via prefix
- Update frontends to use the versioned api endpoints
- Update tests to work with versioned api endpoints
- Update docs to mentioned, reference only versioned api endpoints

src/interface/emacs/khoj.el

@@ -226,7 +226,7 @@ Use `which-key` if available, else display simple message in echo area"
 
 (defun khoj--get-enabled-content-types ()
   "Get content types enabled for search from API."
-  (let ((config-url (format "%s/config/data" khoj-server-url)))
+  (let ((config-url (format "%s/api/v1.0/config/data" khoj-server-url)))
     (with-temp-buffer
       (erase-buffer)
       (url-insert-file-contents config-url)
@@ -243,7 +243,7 @@ Use `which-key` if available, else display simple message in echo area"
   "Construct API Query from QUERY, SEARCH-TYPE and (optional) RERANK params."
   (let ((rerank (or rerank "false"))
         (encoded-query (url-hexify-string query)))
-    (format "%s/search?q=%s&t=%s&r=%s&n=%s" khoj-server-url encoded-query search-type rerank khoj-results-count)))
+    (format "%s/api/v1.0/search?q=%s&t=%s&r=%s&n=%s" khoj-server-url encoded-query search-type rerank khoj-results-count)))
 
 (defun khoj--query-api-and-render-results (query search-type query-url buffer-name)
   "Query Khoj API using QUERY, SEARCH-TYPE, QUERY-URL.

src/interface/web/assets/config.js

@@ -10,7 +10,7 @@ var emptyValueDefault = "🖊️";
 /**
  * Fetch the existing config file.
  */
-fetch("/config/data")
+fetch("/api/v1.0/config/data")
     .then(response => response.json())
     .then(data => {
         rawConfig = data;
@@ -26,7 +26,7 @@ fetch("/config/data")
         configForm.addEventListener("submit", (event) => {
             event.preventDefault();
             console.log(rawConfig);
-            fetch("/config/data", {
+            fetch("/api/v1.0/config/data", {
                 method: "POST",
                 credentials: "same-origin",
                 headers: {
@@ -46,7 +46,7 @@ regenerateButton.addEventListener("click", (event) => {
     event.preventDefault();
     regenerateButton.style.cursor = "progress";
     regenerateButton.disabled = true;
-    fetch("/regenerate")
+    fetch("/api/v1.0/update?force=true")
         .then(response => response.json())
         .then(data => {
             regenerateButton.style.cursor = "pointer";

src/interface/web/index.html

@@ -77,8 +77,8 @@
 
             // Generate Backend API URL to execute Search
             url = type === "image"
-                ? `/search?q=${encodeURIComponent(query)}&t=${type}&n=${results_count}`
-                : `/search?q=${encodeURIComponent(query)}&t=${type}&n=${results_count}&r=${rerank}`;
+                ? `/api/v1.0/search?q=${encodeURIComponent(query)}&t=${type}&n=${results_count}`
+                : `/api/v1.0/search?q=${encodeURIComponent(query)}&t=${type}&n=${results_count}&r=${rerank}`;
 
             // Execute Search and Render Results
             fetch(url)
@@ -94,7 +94,7 @@
 
         function updateIndex() {
             type = document.getElementById("type").value;
-            fetch(`/reload?t=${type}`)
+            fetch(`/api/v1.0/update?t=${type}`)
                 .then(response => response.json())
                 .then(data => {
                     console.log(data);
@@ -118,7 +118,7 @@
         function populate_type_dropdown() {
             // Populate type dropdown field with enabled search types only
             var possible_search_types = ["org", "markdown", "ledger", "music", "image"];
-            fetch("/config/data")
+            fetch("/api/v1.0/config/data")
                 .then(response => response.json())
                 .then(data => {
                     document.getElementById("type").innerHTML =

src/main.py

@@ -19,7 +19,9 @@ from PyQt6.QtCore import QThread, QTimer
 
 # Internal Packages
 from src.configure import configure_server
-from src.router import router
+from src.routers.api_v1_0 import api_v1_0
+from src.routers.api_beta import api_beta
+from src.routers.frontend import frontend_router
 from src.utils import constants, state
 from src.utils.cli import cli
 from src.interface.desktop.main_window import MainWindow
@@ -29,7 +31,9 @@ from src.interface.desktop.system_tray import create_system_tray
 # Initialize the Application Server
 app = FastAPI()
 app.mount("/static", StaticFiles(directory=constants.web_directory), name="static")
-app.include_router(router)
+app.include_router(api_v1_0, prefix="/api/v1.0")
+app.include_router(api_beta, prefix="/api/beta")
+app.include_router(frontend_router)
 
 logger = logging.getLogger('src')
 

src/routers/api_beta.py

@@ -0,0 +1,89 @@
+# Standard Packages
+import json
+import logging
+from typing import Optional
+
+# External Packages
+from fastapi import APIRouter
+
+# Internal Packages
+from src.routers.api_v1_0 import search
+from src.processor.conversation.gpt import converse, extract_search_type, message_to_log, message_to_prompt, understand, summarize
+from src.utils.config import SearchType
+from src.utils.helpers import get_absolute_path, get_from_dict
+from src.utils import state
+
+
+api_beta = APIRouter()
+logger = logging.getLogger(__name__)
+
+
+@api_beta.get('/search')
+def search_beta(q: str, n: Optional[int] = 1):
+    # Extract Search Type using GPT
+    metadata = extract_search_type(q, api_key=state.processor_config.conversation.openai_api_key, verbose=state.verbose)
+    search_type = get_from_dict(metadata, "search-type")
+
+    # Search
+    search_results = search(q, n=n, t=SearchType(search_type))
+
+    # Return response
+    return {'status': 'ok', 'result': search_results, 'type': search_type}
+
+
+@api_beta.get('/chat')
+def chat(q: str):
+    # Load Conversation History
+    chat_session = state.processor_config.conversation.chat_session
+    meta_log = state.processor_config.conversation.meta_log
+
+    # Converse with OpenAI GPT
+    metadata = understand(q, api_key=state.processor_config.conversation.openai_api_key, verbose=state.verbose)
+    if state.verbose > 1:
+        print(f'Understood: {get_from_dict(metadata, "intent")}')
+
+    if get_from_dict(metadata, "intent", "memory-type") == "notes":
+        query = get_from_dict(metadata, "intent", "query")
+        result_list = search(query, n=1, t=SearchType.Org)
+        collated_result = "\n".join([item["entry"] for item in result_list])
+        if state.verbose > 1:
+            print(f'Semantically Similar Notes:\n{collated_result}')
+        gpt_response = summarize(collated_result, summary_type="notes", user_query=q, api_key=state.processor_config.conversation.openai_api_key)
+    else:
+        gpt_response = converse(q, chat_session, api_key=state.processor_config.conversation.openai_api_key)
+
+    # Update Conversation History
+    state.processor_config.conversation.chat_session = message_to_prompt(q, chat_session, gpt_message=gpt_response)
+    state.processor_config.conversation.meta_log['chat'] = message_to_log(q, metadata, gpt_response, meta_log.get('chat', []))
+
+    return {'status': 'ok', 'response': gpt_response}
+
+
+@api_beta.on_event('shutdown')
+def shutdown_event():
+    # No need to create empty log file
+    if not (state.processor_config and state.processor_config.conversation and state.processor_config.conversation.meta_log):
+        return
+    elif state.processor_config.conversation.verbose:
+        print('INFO:\tSaving conversation logs to disk...')
+
+    # Summarize Conversation Logs for this Session
+    chat_session = state.processor_config.conversation.chat_session
+    openai_api_key = state.processor_config.conversation.openai_api_key
+    conversation_log = state.processor_config.conversation.meta_log
+    session = {
+        "summary": summarize(chat_session, summary_type="chat", api_key=openai_api_key),
+        "session-start": conversation_log.get("session", [{"session-end": 0}])[-1]["session-end"],
+        "session-end": len(conversation_log["chat"])
+        }
+    if 'session' in conversation_log:
+        conversation_log['session'].append(session)
+    else:
+        conversation_log['session'] = [session]
+
+    # Save Conversation Metadata Logs to Disk
+    conversation_logfile = get_absolute_path(state.processor_config.conversation.conversation_logfile)
+    with open(conversation_logfile, "w+", encoding='utf-8') as logfile:
+        json.dump(conversation_log, logfile)
+
+    print('INFO:\tConversation logs saved to disk.')

src/routers/api_v1_0.py

@@ -1,45 +1,29 @@
 # Standard Packages
 import yaml
-import json
 import time
 import logging
 from typing import Optional
 
 # External Packages
 from fastapi import APIRouter
-from fastapi import Request
-from fastapi.responses import HTMLResponse, FileResponse
-from fastapi.templating import Jinja2Templates
 
 # Internal Packages
 from src.configure import configure_search
 from src.search_type import image_search, text_search
-from src.processor.conversation.gpt import converse, extract_search_type, message_to_log, message_to_prompt, understand, summarize
 from src.utils.rawconfig import FullConfig
 from src.utils.config import SearchType
-from src.utils.helpers import LRU, get_absolute_path, get_from_dict
 from src.utils import state, constants
 
 
-router = APIRouter()
-templates = Jinja2Templates(directory=constants.web_directory)
+api_v1_0 = APIRouter()
 logger = logging.getLogger(__name__)
-query_cache = LRU()
 
 
-@router.get("/", response_class=FileResponse)
-def index():
-    return FileResponse(constants.web_directory / "index.html")
-
-@router.get('/config', response_class=HTMLResponse)
-def config_page(request: Request):
-    return templates.TemplateResponse("config.html", context={'request': request})
-
-@router.get('/config/data', response_model=FullConfig)
+@api_v1_0.get('/config/data', response_model=FullConfig)
 def config_data():
     return state.config
 
-@router.post('/config/data')
+@api_v1_0.post('/config/data')
 async def config_data(updated_config: FullConfig):
     state.config = updated_config
     with open(state.config_file, 'w') as outfile:
@@ -47,7 +31,7 @@ async def config_data(updated_config: FullConfig):
         outfile.close()
     return state.config
 
-@router.get('/search')
+@api_v1_0.get('/search')
 def search(q: str, n: Optional[int] = 5, t: Optional[SearchType] = None, r: Optional[bool] = False):
     if q is None or q == '':
         logger.info(f'No query param (q) passed in API call to initiate search')
@@ -137,78 +121,7 @@ def search(q: str, n: Optional[int] = 5, t: Optional[SearchType] = None, r: Opti
     return results
 
 
-@router.get('/update')
+@api_v1_0.get('/update')
 def update(t: Optional[SearchType] = None, force: Optional[bool] = False):
     state.model = configure_search(state.model, state.config, regenerate=force, t=t)
-    return {'status': 'ok', 'message': 'index updated completed'}
-
-
-@router.get('/beta/search')
-def search_beta(q: str, n: Optional[int] = 1):
-    # Extract Search Type using GPT
-    metadata = extract_search_type(q, api_key=state.processor_config.conversation.openai_api_key, verbose=state.verbose)
-    search_type = get_from_dict(metadata, "search-type")
-
-    # Search
-    search_results = search(q, n=n, t=SearchType(search_type))
-
-    # Return response
-    return {'status': 'ok', 'result': search_results, 'type': search_type}
-
-
-@router.get('/beta/chat')
-def chat(q: str):
-    # Load Conversation History
-    chat_session = state.processor_config.conversation.chat_session
-    meta_log = state.processor_config.conversation.meta_log
-
-    # Converse with OpenAI GPT
-    metadata = understand(q, api_key=state.processor_config.conversation.openai_api_key, verbose=state.verbose)
-    if state.verbose > 1:
-        print(f'Understood: {get_from_dict(metadata, "intent")}')
-
-    if get_from_dict(metadata, "intent", "memory-type") == "notes":
-        query = get_from_dict(metadata, "intent", "query")
-        result_list = search(query, n=1, t=SearchType.Org)
-        collated_result = "\n".join([item["entry"] for item in result_list])
-        if state.verbose > 1:
-            print(f'Semantically Similar Notes:\n{collated_result}')
-        gpt_response = summarize(collated_result, summary_type="notes", user_query=q, api_key=state.processor_config.conversation.openai_api_key)
-    else:
-        gpt_response = converse(q, chat_session, api_key=state.processor_config.conversation.openai_api_key)
-
-    # Update Conversation History
-    state.processor_config.conversation.chat_session = message_to_prompt(q, chat_session, gpt_message=gpt_response)
-    state.processor_config.conversation.meta_log['chat'] = message_to_log(q, metadata, gpt_response, meta_log.get('chat', []))
-
-    return {'status': 'ok', 'response': gpt_response}
-
-
-@router.on_event('shutdown')
-def shutdown_event():
-    # No need to create empty log file
-    if not (state.processor_config and state.processor_config.conversation and state.processor_config.conversation.meta_log):
-        return
-    elif state.processor_config.conversation.verbose:
-        print('INFO:\tSaving conversation logs to disk...')
-
-    # Summarize Conversation Logs for this Session
-    chat_session = state.processor_config.conversation.chat_session
-    openai_api_key = state.processor_config.conversation.openai_api_key
-    conversation_log = state.processor_config.conversation.meta_log
-    session = {
-        "summary": summarize(chat_session, summary_type="chat", api_key=openai_api_key),
-        "session-start": conversation_log.get("session", [{"session-end": 0}])[-1]["session-end"],
-        "session-end": len(conversation_log["chat"])
-        }
-    if 'session' in conversation_log:
-        conversation_log['session'].append(session)
-    else:
-        conversation_log['session'] = [session]
-
-    # Save Conversation Metadata Logs to Disk
-    conversation_logfile = get_absolute_path(state.processor_config.conversation.conversation_logfile)
-    with open(conversation_logfile, "w+", encoding='utf-8') as logfile:
-        json.dump(conversation_log, logfile)
-
-    print('INFO:\tConversation logs saved to disk.')
+    return {'status': 'ok', 'message': 'index updated'}

src/routers/frontend.py

@@ -0,0 +1,25 @@
+# Standard Packages
+import logging
+
+# External Packages
+from fastapi import APIRouter
+from fastapi import Request
+from fastapi.responses import HTMLResponse, FileResponse
+from fastapi.templating import Jinja2Templates
+
+# Internal Packages
+from src.utils import constants
+
+
+frontend_router = APIRouter()
+templates = Jinja2Templates(directory=constants.web_directory)
+logger = logging.getLogger(__name__)
+
+
+@frontend_router.get("/", response_class=FileResponse)
+def index():
+    return FileResponse(constants.web_directory / "index.html")
+
+@frontend_router.get('/config', response_class=HTMLResponse)
+def config_page(request: Request):
+    return templates.TemplateResponse("config.html", context={'request': request})