move blueprints in dedicated folder

app/blueprints/users/routes.py

@@ -0,0 +1,43 @@
+from flask import (
+    abort,
+    redirect, 
+    render_template, 
+    send_from_directory,
+    url_for
+)
+from flask_login import current_user
+from app.models import User
+from . import bp
+
+
+@bp.route('')
+def users():
+    return redirect(url_for('main.social_area', _anchor='users'))
+
+
+@bp.route('/<hashid:user_id>')
+def user(user_id):
+    user = User.query.get_or_404(user_id)
+    if not (user.is_public or user == current_user or current_user.is_administrator):
+        abort(403)
+    return render_template(
+        'users/user.html.j2',
+        title=user.username,
+        user=user
+    )
+
+
+@bp.route('/<hashid:user_id>/avatar')
+def user_avatar(user_id):
+    user = User.query.get_or_404(user_id)
+    if not (user.is_public or user == current_user or current_user.is_administrator):
+        abort(403)
+    if user.avatar is None:
+        return redirect(url_for('static', filename='images/user_avatar.png'))
+    return send_from_directory(
+        user.avatar.path.parent,
+        user.avatar.path.name,
+        as_attachment=True,
+        download_name=user.avatar.filename,
+        mimetype=user.avatar.mimetype
+    )