feat: 初始版本，圆角主题与首次管理员引导

app/blueprints/activities.py

@@ -0,0 +1,37 @@
+import os
+from flask import Blueprint, render_template, request, redirect, url_for, flash, current_app
+from flask_login import login_required, current_user
+from ..extensions import db
+from ..models import Activity, ActivityStatus, ActivitySubmission, SubmissionImage, ReviewStatus
+from ..services.images import save_image
+
+bp = Blueprint("activities", __name__, url_prefix="/activities")
+
+@bp.route("")
+def list_activities():
+    acts = Activity.query.filter(Activity.status != ActivityStatus.draft).order_by(Activity.start_at).all()
+    return render_template("activities/list.html", activities=acts)
+
+@bp.route("/<int:act_id>")
+def detail(act_id):
+    act = Activity.query.get_or_404(act_id)
+    return render_template("activities/detail.html", activity=act)
+
+@bp.route("/<int:act_id>/submit", methods=["GET", "POST"])
+@login_required
+def submit(act_id):
+    act = Activity.query.get_or_404(act_id)
+    if request.method == "POST":
+        files = request.files.getlist("images")
+        sub = ActivitySubmission(activity_id=act.id, user_id=current_user.id, status=ReviewStatus.pending)
+        db.session.add(sub)
+        db.session.flush()
+        upload_dir = os.path.join(current_app.config["UPLOAD_FOLDER"], "activities")
+        for idx, f in enumerate(files):
+            original, web, thumb, exif = save_image(f, upload_dir)
+            img = SubmissionImage(submission_id=sub.id, original_path=original, web_path=web, thumb_path=thumb, exif_json=exif, order_index=idx)
+            db.session.add(img)
+        db.session.commit()
+        flash("投稿已提交，待审核")
+        return redirect(url_for("activities.detail", act_id=act.id))
+    return render_template("activities/submit.html", activity=act)