Implementováno mazání uživatelů

Zatím je dostupné pouze správci a umí vyřešit pouze triviální případy.

mo/web/org_users.py

@@ -594,3 +594,93 @@ def org_user_participant_edit(user_id: int, year: int):
         return redirect(url_for('org_user', id=user_id))
 
     return render_template('org_user_participant_edit.html', user=user, year=year, form=form)
+
+
+class ConfirmDeleteForm(FlaskForm):
+    delete = SubmitField('Potvrdit smazání')
+
+
+@app.route('/org/user/<int:user_id>/delete', methods=('GET', 'POST'))
+def org_user_delete(user_id: int):
+    if not g.user.is_admin:
+        raise werkzeug.exceptions.Forbidden()
+
+    sess = db.get_session()
+    user = sess.query(db.User).get(user_id)
+    if not user:
+        raise werkzeug.exceptions.NotFound()
+
+    warnings = []
+    errors = []
+
+    pants = sess.query(db.Participant).filter_by(user=user).all()
+    for pant in pants:
+        warnings.append(f'Účastní se {pant.year}. ročníku')
+
+    pions = (sess.query(db.Participation)
+             .filter_by(user=user)
+             # .options(joinedload(db.Participation.contest, db.Participation.contest.round))
+             .all())
+    for pion in pions:
+        warnings.append(f'Účastní se kola {pion.contest.round.round_code()}')
+
+    num_roles = sess.query(db.UserRole).filter_by(user=user).count()
+    if num_roles > 0:
+        warnings.append(f'Má přidělené role ({num_roles})')
+
+    sols = (sess.query(db.Solution)
+            .filter_by(user=user)
+            # .options(joinedload(db.Solution.task, db.Solution.task.round))
+            .all())
+    for sol in sols:
+        errors.append(f'Odevzdal úlohu {sol.task.code} v kole {sol.task.round.round_code()}')
+
+    num_papers = sess.query(db.Paper).filter_by(for_user_obj=user).count()
+    if num_papers:
+        errors.append(f'Patří mu řešení/opravy ({num_papers})')
+
+    num_uploads = sess.query(db.Paper).filter_by(uploaded_by_obj=user).count()
+    if num_uploads:
+        errors.append(f'Nahrál řešení/opravy ({num_uploads})')
+
+    logs = sess.query(db.Log).filter_by(user=user).all()
+    num_good_logs = 0
+    num_bad_logs = 0
+    for log in logs:
+        if log.details.get('reason', "") == 'user-join':
+            num_good_logs += 1
+        else:
+            num_bad_logs += 1
+    if num_good_logs > 0:
+        warnings.append(f'Vlastní záznamy v logu z registrace ({num_good_logs})')
+    if num_bad_logs > 0:
+        errors.append(f'Vlastní záznamy v logu ({num_bad_logs})')
+
+    form = ConfirmDeleteForm()
+    if form.validate_on_submit() and not errors:
+        sess.rollback()
+
+        conn = sess.connection()
+        pant_table = db.Participation.__table__
+        pion_table = db.Participant.__table__
+        role_table = db.UserRole.__table__
+        log_table = db.Log.__table__
+        conn.execute(pant_table.delete().where(pant_table.c.user_id == user.user_id))
+        conn.execute(pion_table.delete().where(pion_table.c.user_id == user.user_id))
+        conn.execute(role_table.delete().where(role_table.c.user_id == user.user_id))
+        conn.execute(log_table.delete().where(log_table.c.changed_by == user.user_id))
+        sess.commit()
+
+        mo.util.log(
+            type=db.LogType.user,
+            what=user.user_id,
+            details={'action': 'delete', 'user': db.row2dict(user)},
+        )
+        sess.delete(user)
+        sess.commit()
+
+        app.logger.info(f"Uživatel #{user.user_id} smazán")
+        flash('Uživatel smazán.', 'danger')
+        return redirect(url_for('org_orgs') if user.is_org else url_for('org_users'))
+
+    return render_template('org_user_delete.html', user=user, form=form, warnings=warnings, errors=errors)

mo/web/templates/org_org.html

@@ -31,6 +31,7 @@
 {% endif %}
 {% if g.user.is_admin %}
 	<a class="btn btn-default" href="{{ log_url('user', user.user_id) }}">Historie</a>
+	<a class="btn btn-danger" href="{{ url_for('org_user_delete', user_id=user.user_id) }}">Smazat</a>
 {% endif %}
 {% if can_incarnate %}
 <form action="{{ url_for('incarnate', id=user.user_id) }}" method=POST class='btn-group'>

mo/web/templates/org_user.html

@@ -31,6 +31,7 @@
 {% endif %}
 {% if g.user.is_admin %}
 	<a class="btn btn-default" href="{{ log_url('user', user.user_id) }}">Historie</a>
+	<a class="btn btn-danger" href="{{ url_for('org_user_delete', user_id=user.user_id) }}">Smazat</a>
 {% endif %}
 {% if can_incarnate %}
 <form action="{{ url_for('incarnate', id=user.user_id) }}" method=POST class='btn-group'>

mo/web/templates/org_user_delete.html

+{% extends "base.html" %}
+{% import "bootstrap/wtf.html" as wtf %}
+{% block title %}Smazat uživatele: {{ user.full_name() }}{% endblock %}
+{% block body %}
+
+{% if warnings %}
+<h3>Varováni</h3>
+<ul>
+	{% for w in warnings %}
+	<li>{{ w }}
+	{% endfor %}
+</ul>
+{% endif %}
+
+{% if errors %}
+<h3>Chyby</h3>
+<ul>
+	{% for e in errors %}
+	<li>{{ e }}
+	{% endfor %}
+</ul>
+{% endif %}
+
+{% if form and not errors %}
+{{ wtf.quick_form(form, form_type='simple', button_map={'delete': 'danger'}) }}
+{% endif %}
+
+{% endblock %}