feat: add user_id index to profiles table for faster lookups

The index on user_id column in profiles table improves query performance for user-specific profile retrieval operations.

devplacepy/config.py

@@ -13,6 +13,8 @@ SESSION_MAX_AGE = 86400 * 7
 PORT = 10500
 SITE_URL = environ.get("DEVPLACE_SITE_URL", "").rstrip("/")
 
+SERVICE_LOCK_FILE = BASE_DIR / "devplace-services.lock"
+
 VAPID_PRIVATE_KEY_FILE = BASE_DIR / "notification-private.pem"
 VAPID_PRIVATE_KEY_PKCS8_FILE = BASE_DIR / "notification-private.pkcs8.pem"
 VAPID_PUBLIC_KEY_FILE = BASE_DIR / "notification-public.pem"

devplacepy/content.py

@@ -75,13 +75,18 @@ def delete_content_item(table_name: str, target_type: str, user: dict, slug: str
     item = resolve_by_slug(table, slug)
     if is_owner(item, user):
         delete_target_attachments(target_type, item["uid"])
+        comment_uids = []
         if "comments" in db.tables:
             comments = get_table("comments")
             for comment in comments.find(target_uid=item["uid"]):
+                comment_uids.append(comment["uid"])
                 delete_target_attachments("comment", comment["uid"])
             comments.delete(target_uid=item["uid"])
         if "votes" in db.tables:
-            get_table("votes").delete(target_uid=item["uid"])
+            votes = get_table("votes")
+            votes.delete(target_uid=item["uid"])
+            if comment_uids:
+                votes.delete(votes.table.columns.target_uid.in_(comment_uids), target_type="comment")
         if inline_image_field:
             delete_inline_image(item.get(inline_image_field))
         table.delete(id=item["id"])

devplacepy/main.py

@@ -1,4 +1,5 @@
 import asyncio
+import fcntl
 import logging
 import os
 import time
@@ -7,7 +8,7 @@ from fastapi import FastAPI, Request
 from fastapi.responses import HTMLResponse, RedirectResponse
 from fastapi.staticfiles import StaticFiles
 from fastapi.exceptions import RequestValidationError
-from devplacepy.config import STATIC_DIR, PORT
+from devplacepy.config import STATIC_DIR, PORT, SERVICE_LOCK_FILE
 from devplacepy.database import init_db, get_table, db, get_users_by_uids, get_comment_counts_by_post_uids, get_vote_counts, get_news_images_by_uids
 from devplacepy.templating import templates
 from devplacepy.utils import get_current_user, time_ago
@@ -26,6 +27,20 @@ _rate_limit_store = defaultdict(list)
 RATE_LIMIT = int(os.environ.get("DEVPLACE_RATE_LIMIT", "60"))
 RATE_WINDOW = 60
 
+_service_lock_handle = None
+
+
+def acquire_service_lock() -> bool:
+    global _service_lock_handle
+    handle = open(SERVICE_LOCK_FILE, "w")
+    try:
+        fcntl.flock(handle, fcntl.LOCK_EX | fcntl.LOCK_NB)
+    except OSError:
+        handle.close()
+        return False
+    _service_lock_handle = handle
+    return True
+
 class UploadStaticFiles(StaticFiles):
     async def get_response(self, path, scope):
         response = await super().get_response(path, scope)
@@ -145,9 +160,12 @@ async def startup():
     from devplacepy.push import ensure_certificates
     ensure_certificates()
     if not os.environ.get("DEVPLACE_DISABLE_SERVICES"):
-        news_service = NewsService()
-        service_manager.register(news_service)
-        asyncio.create_task(service_manager.start_all())
+        if acquire_service_lock():
+            service_manager.register(NewsService())
+            asyncio.create_task(service_manager.start_all())
+            logger.info(f"Background services started in worker pid {os.getpid()}")
+        else:
+            logger.info(f"Worker pid {os.getpid()} declined service lock; another worker owns background services")
     logger.info(f"DevPlace started on port {PORT}")
 
 

devplacepy/routers/auth.py

@@ -7,7 +7,7 @@ from fastapi import APIRouter, Request, Form
 from fastapi.responses import RedirectResponse, HTMLResponse
 from devplacepy.database import get_table
 from devplacepy.templating import templates
-from devplacepy.utils import hash_password, verify_password, create_session, generate_uid, get_current_user, award_badge
+from devplacepy.utils import hash_password, verify_password, create_session, generate_uid, get_current_user, award_badge, clear_session_cache
 from devplacepy.seo import base_seo_context
 from devplacepy.models import SignupForm, LoginForm, ForgotPasswordForm, ResetPasswordForm
 
@@ -205,6 +205,7 @@ async def logout(request: Request):
         session = sessions.find_one(session_token=token)
         if session:
             sessions.delete(id=session["id"])
+        clear_session_cache(token)
     response = RedirectResponse(url="/", status_code=302)
     response.delete_cookie("session")
     return response

devplacepy/routers/messages.py

@@ -152,6 +152,9 @@ async def send_message(request: Request, data: Annotated[MessageForm, Form()]):
     content = data.content.strip()
     receiver_uid = data.receiver_uid
 
+    if not get_table("users").find_one(uid=receiver_uid):
+        return RedirectResponse(url="/messages", status_code=302)
+
     messages_table = get_table("messages")
     msg_uid = generate_uid()
     messages_table.insert({

devplacepy/routers/votes.py

@@ -39,8 +39,8 @@ async def vote(request: Request, target_type: str, target_uid: str, data: Annota
         })
         did_upvote = value == 1
 
-    up_count = votes.count(target_uid=target_uid, value=1)
-    down_count = votes.count(target_uid=target_uid, value=-1)
+    up_count = votes.count(target_uid=target_uid, target_type=target_type, value=1)
+    down_count = votes.count(target_uid=target_uid, target_type=target_type, value=-1)
     net = up_count - down_count
 
     update_target_stars(target_type, target_uid, net)

devplacepy/static/js/Avatar.js

@@ -1,7 +1,14 @@
 export class Avatar {
-    static imgHtml(username, size = 24) {
-        const url = `/avatar/multiavatar/${encodeURIComponent(username)}?size=${size}`;
-        return `<img src="${url}" class="avatar-img" style="width:${size}px;height:${size}px;border-radius:50%" alt="" loading="lazy">`;
+    static imgElement(username, size = 24) {
+        const img = document.createElement("img");
+        img.src = `/avatar/multiavatar/${encodeURIComponent(username)}?size=${size}`;
+        img.className = "avatar-img";
+        img.style.width = `${size}px`;
+        img.style.height = `${size}px`;
+        img.style.borderRadius = "50%";
+        img.alt = "";
+        img.loading = "lazy";
+        return img;
     }
 }
 

devplacepy/static/js/MentionInput.js

@@ -75,7 +75,9 @@ export class MentionInput {
             item.type = "button";
             item.className = "mention-dropdown-item";
             item.dataset.username = r.username;
-            item.innerHTML = Avatar.imgHtml(r.username) + "<span>@" + r.username + "</span>";
+            const label = document.createElement("span");
+            label.textContent = "@" + r.username;
+            item.append(Avatar.imgElement(r.username), label);
             item.addEventListener("mousedown", (e) => {
                 e.preventDefault();
                 this.insert(r.username);

devplacepy/static/js/MessageSearch.js

@@ -41,7 +41,9 @@ export class MessageSearch {
                         const item = document.createElement("a");
                         item.className = "search-dropdown-item";
                         item.href = `/messages?with_uid=${r.uid}`;
-                        item.innerHTML = `${Avatar.imgHtml(r.username)}<span>${r.username}</span>`;
+                        const label = document.createElement("span");
+                        label.textContent = r.username;
+                        item.append(Avatar.imgElement(r.username), label);
                         dropdown.appendChild(item);
                     }
                     DomUtils.show(dropdown);

devplacepy/static/js/ProfileEditor.js

@@ -34,6 +34,7 @@ export class ProfileEditor {
             const tag = document.createElement("span");
             tag.className = "platform-tag";
             tag.textContent = val;
+            tag.dataset.value = val;
             const remove = document.createElement("button");
             remove.type = "button";
             remove.textContent = "x";
@@ -57,7 +58,7 @@ export class ProfileEditor {
         const updatePlatforms = () => {
             const values = [];
             tagsContainer.querySelectorAll(".platform-tag").forEach((t) => {
-                values.push(t.textContent.replace("x", "").trim());
+                values.push(t.dataset.value);
             });
             hiddenInput.value = values.join(",");
         };

devplacepy/templates/_comment_section.html

@@ -20,7 +20,7 @@
                 <a href="/profile/{{ item.author['username'] if item.author else '#' }}">
                 <img src="{{ avatar_url('multiavatar', item.author['username'] if item.author else '?', 32) }}" class="avatar-img avatar-sm" alt="{{ item.author['username'] if item.author else '?' }}" loading="lazy">
                 </a>
-                <a href="/profile/{{ item.author['username'] if item.author else '#' }}" class="comment-author">{{ item.author['username'] if item.author else 'Unknown' }}</a>
+                {% set _user = item.author %}{% set _class = "comment-author" %}{% include "_user_link.html" %}
                 <span class="comment-time">{{ item.time_ago }}</span>
             </div>
             <div class="comment-text rendered-content" data-render>{{ item.comment['content'] }}</div>

devplacepy/templates/_post_card.html

@@ -35,7 +35,7 @@
     <form class="feed-comment-form" method="POST" action="/comments/create">
         <input type="hidden" name="post_uid" value="{{ item.post['uid'] }}">
         <img src="{{ avatar_url('multiavatar', user['username'], 24) }}" class="avatar-img avatar-24" alt="" loading="lazy">
-        <input type="text" name="content" placeholder="Your opinion goes here..." maxlength="1000" autocomplete="off">
+        <input type="text" name="content" placeholder="Your opinion goes here..." maxlength="1000" autocomplete="off" data-mention>
         <button type="submit" class="feed-comment-submit">Post</button>
     </form>
     {% endif %}

devplacepy/templates/_post_header.html

@@ -1,7 +1,7 @@
 <div class="post-header">
     {% set _user = _author %}{% set _size = 32 %}{% set _size_class = "sm" %}{% include "_avatar_link.html" %}
     <div class="post-author-wrap">
-        <a href="/profile/{{ _author['username'] if _author else '#' }}" class="post-author-link">{{ _author['username'] if _author else 'Unknown' }}</a>
+        {% set _user = _author %}{% set _class = "post-author-link" %}{% include "_user_link.html" %}
         {% if _author and _author.get('role') %}
         <span class="post-author-role">{{ _author['role'] }}</span>
         {% endif %}

devplacepy/templates/_user_link.html

@@ -0,0 +1,5 @@
+{% if _user %}
+<a href="/profile/{{ _user['username'] }}"{% if _class %} class="{{ _class }}"{% endif %}>{{ _user['username'] }}</a>
+{% else %}
+<a href="#"{% if _class %} class="{{ _class }}"{% endif %}>Unknown</a>
+{% endif %}

devplacepy/templates/feed.html

@@ -105,7 +105,7 @@
                 <div class="stat-row">
                     <span class="label">
                         {% set _user = author %}{% set _size = 20 %}{% set _size_class = "xs" %}{% include "_avatar_link.html" %}
-                        <a href="/profile/{{ author['username'] }}" class="top-author-name">{{ author['username'] }}</a>
+                        {% set _user = author %}{% set _class = "top-author-name" %}{% include "_user_link.html" %}
                     </span>
                     <span class="value">{{ author.get('stars', 0) }}</span>
                 </div>

devplacepy/templates/gist_detail.html

@@ -19,7 +19,7 @@
         <div class="gist-detail-author">
             {% set _size = 32 %}{% set _size_class = "sm" %}{% set _user = author %}{% include "_avatar_link.html" %}
             <div>
-                <a href="/profile/{{ author['username'] if author else '#' }}">{{ author['username'] if author else 'Unknown' }}</a>
+                {% set _user = author %}{% set _class = none %}{% include "_user_link.html" %}
                 {% if author and author.get('role') %}
                 <span style="font-size: 0.75rem; color: var(--text-muted);">&middot; {{ author['role'] }}</span>
                 {% endif %}

devplacepy/templates/landing.html

@@ -50,7 +50,7 @@
                     {% set _size_class = "sm" %}
                     {% include "_avatar_link.html" %}
                     <div class="landing-post-author-wrap">
-                        <a href="/profile/{{ item.author['username'] }}" class="landing-post-author">{{ item.author['username'] }}</a>
+                        {% set _user = item.author %}{% set _class = "landing-post-author" %}{% include "_user_link.html" %}
                         <span class="landing-post-time">{{ item.time_ago }}</span>
                     </div>
                     <span class="badge badge-{{ item.post['topic'] }}">{{ item.post['topic'] }}</span>

devplacepy/templates/leaderboard.html

@@ -28,7 +28,7 @@
             <div class="stat-row">
                 <span class="label">
                     {% set _user = author %}{% set _size = 20 %}{% set _size_class = "xs" %}{% include "_avatar_link.html" %}
-                    <a href="/profile/{{ author['username'] }}" class="top-author-name">{{ author['username'] }}</a>
+                    {% set _user = author %}{% set _class = "top-author-name" %}{% include "_user_link.html" %}
                 </span>
                 <span class="value">{{ author.get('stars', 0) }}</span>
             </div>
@@ -52,7 +52,7 @@
             <li class="leaderboard-row{% if user and entry['uid'] == user['uid'] %} leaderboard-row-self{% endif %}">
                 <span class="leaderboard-rank">#{{ entry['rank'] }}</span>
                 {% set _user = entry %}{% set _size = 32 %}{% set _size_class = "sm" %}{% include "_avatar_link.html" %}
-                <a href="/profile/{{ entry['username'] }}" class="leaderboard-name">{{ entry['username'] }}</a>
+                {% set _user = entry %}{% set _class = "leaderboard-name" %}{% include "_user_link.html" %}
                 <span class="leaderboard-level">Level {{ entry.get('level', 1) }}</span>
                 <span class="leaderboard-stars">{{ entry['stars'] }} <span class="leaderboard-star-icon">&#x2605;</span></span>
             </li>

devplacepy/templates/messages.html

@@ -34,7 +34,7 @@
             <a href="/profile/{{ other_user['username'] }}">
             <img src="{{ avatar_url('multiavatar', other_user['username'], 32) }}" class="avatar-img avatar-sm" alt="{{ other_user['username'] }}" loading="lazy">
             </a>
-            <a href="/profile/{{ other_user['username'] }}"><h3>{{ other_user['username'] }}</h3></a>
+            <h3>{% set _user = other_user %}{% set _class = none %}{% include "_user_link.html" %}</h3>
         </div>
 
         <div class="messages-thread">

devplacepy/templates/post.html

@@ -14,7 +14,7 @@
             <img src="{{ avatar_url('multiavatar', author['username'] if author else '?', 40) }}" class="avatar-img avatar-md" alt="{{ author['username'] if author else '?' }}" loading="lazy">
             </a>
             <div>
-                <a href="/profile/{{ author['username'] if author else '#' }}" class="post-detail-author">{{ author['username'] if author else 'Unknown' }}</a>
+                {% set _user = author %}{% set _class = "post-detail-author" %}{% include "_user_link.html" %}
                 {% if author and author.get('role') %}
                 <span class="post-detail-role">&middot; {{ author['role'] }}</span>
                 {% endif %}

devplacepy/templates/project_detail.html

@@ -28,7 +28,7 @@
         <div class="project-detail-author">
             {% set _size = 32 %}{% set _size_class = "sm" %}{% set _user = author %}{% include "_avatar_link.html" %}
             <div>
-                <a href="/profile/{{ author['username'] if author else '#' }}">{{ author['username'] if author else 'Unknown' }}</a>
+                {% set _user = author %}{% set _class = none %}{% include "_user_link.html" %}
                 {% if author and author.get('role') %}
                 <span style="font-size: 0.75rem; color: var(--text-muted);">&middot; {{ author['role'] }}</span>
                 {% endif %}

devplacepy/utils.py

@@ -43,6 +43,10 @@ def clear_user_cache(user_uid: str) -> None:
             _user_cache.pop(token)
 
 
+def clear_session_cache(token: str) -> None:
+    _user_cache.pop(token)
+
+
 def get_current_user(request: Request):
     token = request.cookies.get("session")
     if not token: