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Move caching to client to remove burden on dispatch server

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DawtCom 2026-01-18 00:49:17 -06:00
parent 7cf7aecdf2
commit c970cfcf9a
1 changed files with 9 additions and 3 deletions
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12
apps/channels/api_views.py
View file

@ -9,7 +9,8 @@ from drf_yasg import openapi
from django.shortcuts import get_object_or_404, get_list_or_404 from django.shortcuts import get_object_or_404, get_list_or_404
from django.db import transaction from django.db import transaction
from django.db.models import Q from django.db.models import Q
import os, json, requests, logging import os, json, requests, logging, mimetypes
from django.utils.http import http_date
from urllib.parse import unquote from urllib.parse import unquote
from apps.accounts.permissions import ( from apps.accounts.permissions import (
Authenticated, Authenticated,
@ -1653,11 +1654,10 @@ class LogoViewSet(viewsets.ModelViewSet):
"""Streams the logo file, whether it's local or remote.""" """Streams the logo file, whether it's local or remote."""
logo = self.get_object() logo = self.get_object()
logo_url = logo.url logo_url = logo.url
if logo_url.startswith("/data"): # Local file if logo_url.startswith("/data"): # Local file
if not os.path.exists(logo_url): if not os.path.exists(logo_url):
raise Http404("Image not found") raise Http404("Image not found")
stat = os.stat(logo_url)
# Get proper mime type (first item of the tuple) # Get proper mime type (first item of the tuple)
content_type, _ = mimetypes.guess_type(logo_url) content_type, _ = mimetypes.guess_type(logo_url)
if not content_type: if not content_type:
@ -1667,6 +1667,8 @@ class LogoViewSet(viewsets.ModelViewSet):
response = StreamingHttpResponse( response = StreamingHttpResponse(
open(logo_url, "rb"), content_type=content_type open(logo_url, "rb"), content_type=content_type
) )
response["Cache-Control"] = "public, max-age=14400" # Cache in browser for 4 hours
response["Last-Modified"] = http_date(stat.st_mtime)
response["Content-Disposition"] = 'inline; filename="{}"'.format( response["Content-Disposition"] = 'inline; filename="{}"'.format(
os.path.basename(logo_url) os.path.basename(logo_url)
) )
@ -1706,6 +1708,10 @@ class LogoViewSet(viewsets.ModelViewSet):
remote_response.iter_content(chunk_size=8192), remote_response.iter_content(chunk_size=8192),
content_type=content_type, content_type=content_type,
) )
if(remote_response.headers.get("Cache-Control")):
response["Cache-Control"] = remote_response.headers.get("Cache-Control")
if(remote_response.headers.get("Last-Modified")):
response["Last-Modified"] = remote_response.headers.get("Last-Modified")
response["Content-Disposition"] = 'inline; filename="{}"'.format( response["Content-Disposition"] = 'inline; filename="{}"'.format(
os.path.basename(logo_url) os.path.basename(logo_url)
) )