feat: 初始版本，圆角主题与首次管理员引导

app/blueprints/feed.py

@@ -0,0 +1,23 @@
+from flask import Blueprint, render_template
+from flask_login import login_required, current_user
+from sqlalchemy import desc
+from ..models import Post, Visibility, ReviewStatus, Follow
+
+bp = Blueprint("feed", __name__, url_prefix="/feed")
+
+@bp.route("/")
+def home():
+    return discover()
+
+@bp.route("/discover")
+def discover():
+    posts = Post.query.filter(Post.visibility == Visibility.public, Post.status == ReviewStatus.approved).order_by(desc(Post.published_at)).limit(100).all()
+    return render_template("feed/discover.html", posts=posts)
+
+@bp.route("/following")
+@login_required
+def following():
+    ids = [f.followee_id for f in Follow.query.filter_by(follower_id=current_user.id).all()]
+    q = Post.query.filter(Post.user_id.in_(ids)).filter((Post.visibility == Visibility.followers) | (Post.visibility == Visibility.public))
+    posts = q.order_by(desc(Post.created_at)).limit(100).all()
+    return render_template("feed/following.html", posts=posts)