UserManagement CSV plus Layout

app/flask-postgres/app/app.py

@@ -1,4 +1,6 @@
 import logging
+import csv
+import io
 import os
 import re
 import shutil
@@ -55,6 +57,14 @@ if not app.config.get("TESTING"):
 # app.logger.setLevel(logging.INFO)
 # app.logger.addHandler(file_handler)
 
+def format_user_status(status):
+    mapping = {
+        0: "0 - deaktiviert",
+        1: "1 - aktiv",
+        2: "2 - gesperrt",
+        3: "3 - disabled",
+    }
+    return mapping.get(status, f"{status} - unbekannt")
 
 def format_level(level):
     mapping = {
@@ -680,108 +690,47 @@ def admin_mandanten():
 @user_admin_required
 def useradmin_mandant():
     current_mandant_id = session.get("mandant_id")
+    current_user_id = session.get("user_id")
 
     conn = get_connection()
     cur = conn.cursor()
 
+    cur.execute("""
+        SELECT name, level
+        FROM mandant
+        WHERE id = %s
+    """, (current_mandant_id,))
+    mandant_row = cur.fetchone()
+    mandant_name = mandant_row[0] if mandant_row else f"Mandant {current_mandant_id}"
+    mandant_level = mandant_row[1] if mandant_row else None
+
     cur.execute("""
         SELECT
             u.id,
             u.email,
             u.name,
-            u.mandant_id,
-            u.last_login,
-            u.status,
-            m.name AS mandant_name,
-            m.kontakt_email AS mandant_email,
-            m.level AS mandant_level
+            u.status
         FROM app_user u
-        JOIN mandant m ON m.id = u.mandant_id
         WHERE u.mandant_id = %s
         ORDER BY u.name, u.email
     """, (current_mandant_id,))
-
     users = fetchall_dict(cur)
 
+    for user in users:
+        user["status_label"] = format_user_status(user["status"])
+        user["can_delete"] = user["id"] != current_user_id
+
     cur.close()
     conn.close()
 
-    for user in users:
-        user["mandant_level_label"] = format_level(user["mandant_level"])
-
     return render_template(
         "useradmin_mandant.html",
         page_title="Useradministration",
         active_page="useradmin",
         users=users,
-        **get_current_user()
-    )
-
-@app.errorhandler(403)
-def forbidden(_error):
-    return render_template(
-        "403.html",
-        page_title="Kein Zugriff",
-        active_page="",
-        **get_current_user()
-    ), 403
-
-@app.route("/pwdchange", methods=["GET", "POST"])
-@login_required
-def pwdchange():
-    error_message = ""
-    success_message = ""
-
-    if request.method == "POST":
-        current_password = request.form.get("current_password", "")
-        new_password = request.form.get("new_password", "")
-        confirm_password = request.form.get("confirm_password", "")
-
-        if not current_password or not new_password or not confirm_password:
-            error_message = "Bitte alle Felder ausfüllen."
-        elif new_password != confirm_password:
-            error_message = "Die neuen Passwörter stimmen nicht überein."
-        elif len(new_password) < 8:
-            error_message = "Das neue Passwort muss mindestens 8 Zeichen lang sein."
-        else:
-            conn = get_connection()
-            cur = conn.cursor()
-
-            cur.execute("""
-                SELECT password_hash
-                FROM app_user
-                WHERE id = %s
-            """, (session["user_id"],))
-            row = cur.fetchone()
-
-            if row is None:
-                error_message = "Benutzer nicht gefunden."
-            else:
-                stored_hash = row[0]
-
-                if not check_password_hash(stored_hash, current_password):
-                    error_message = "Das aktuelle Passwort ist falsch."
-                else:
-                    new_hash = generate_password_hash(new_password)
-
-                    cur.execute("""
-                        UPDATE app_user
-                        SET password_hash = %s
-                        WHERE id = %s
-                    """, (new_hash, session["user_id"]))
-                    conn.commit()
-
-                    success_message = "Passwort wurde erfolgreich geändert."
-
-            cur.close()
-            conn.close()
-
-    return render_template(
-        "pwdchange.html",
-        page_title="Passwort ändern",
-        active_page="profil",
-        error_message=error_message,
-        success_message=success_message,
+        mandant_name=mandant_name,
+        mandant_level_label=format_level(mandant_level) if mandant_level is not None else "-",
+        current_user_id=current_user_id,
         **get_current_user()
     )
 
@@ -1955,3 +1904,159 @@ def course_assessment(course_id):
         passed=passed,
         **get_current_user()
     )
+
+@app.route("/useradmin/mandant/upload", methods=["GET", "POST"])
+@user_admin_required
+def useradmin_user_upload():
+    current_mandant_id = session.get("mandant_id")
+    form_error = None
+    success_message = None
+    row_errors = []
+
+    conn = get_connection()
+    cur = conn.cursor()
+
+    cur.execute("""
+        SELECT name
+        FROM mandant
+        WHERE id = %s
+    """, (current_mandant_id,))
+    mandant_row = cur.fetchone()
+    mandant_name = mandant_row[0] if mandant_row else f"Mandant {current_mandant_id}"
+
+    if request.method == "POST":
+        uploaded_file = request.files.get("csv_file")
+
+        if not uploaded_file or uploaded_file.filename == "":
+            form_error = "Bitte eine CSV-Datei auswählen."
+        else:
+            try:
+                content = uploaded_file.read().decode("utf-8-sig")
+            except Exception:
+                form_error = "Die Datei konnte nicht gelesen werden. Bitte UTF-8 CSV verwenden."
+
+            if not form_error:
+                reader = csv.reader(io.StringIO(content), delimiter=";")
+                rows = list(reader)
+
+                if not rows:
+                    form_error = "Die Datei ist leer."
+
+            parsed_users = []
+
+            if not form_error:
+                email_pattern = r"^[^@\s]+@[^@\s]+\.[^@\s]+$"
+                seen_emails_in_file = set()
+
+                for line_no, row in enumerate(rows, start=1):
+                    if not row or all(not str(col).strip() for col in row):
+                        continue
+
+                    if len(row) != 4:
+                        row_errors.append(f"Zeile {line_no}: Es müssen genau 4 Felder vorhanden sein.")
+                        continue
+
+                    name = row[0].strip()
+                    email = row[1].strip().lower()
+                    status = row[2].strip()
+                    password = row[3].strip()
+
+                    line_problems = []
+
+                    if not name:
+                        line_problems.append("Name fehlt")
+                    if not email:
+                        line_problems.append("E-Mail fehlt")
+                    elif not re.match(email_pattern, email):
+                        line_problems.append("E-Mail ungültig")
+                    if not status:
+                        line_problems.append("Status fehlt")
+                    elif status not in ("0", "1"):
+                        line_problems.append("Status muss 0 oder 1 sein")
+                    if not password:
+                        line_problems.append("Passwort fehlt")
+                    elif ";" in password:
+                        line_problems.append("Passwort darf kein ';' enthalten")
+                    elif len(password) < 8:
+                        line_problems.append("Passwort muss mindestens 8 Zeichen lang sein")
+
+                    if email:
+                        if email in seen_emails_in_file:
+                            line_problems.append("E-Mail doppelt in Datei")
+                        else:
+                            seen_emails_in_file.add(email)
+
+                        cur.execute("""
+                            SELECT id
+                            FROM app_user
+                            WHERE lower(email) = %s
+                        """, (email,))
+                        existing_user = cur.fetchone()
+                        if existing_user:
+                            line_problems.append("E-Mail existiert bereits")
+
+                    if line_problems:
+                        row_errors.append(f"Zeile {line_no}: " + ", ".join(line_problems))
+                    else:
+                        parsed_users.append({
+                            "name": name,
+                            "email": email,
+                            "status": int(status),
+                            "password_hash": generate_password_hash(password),
+                        })
+
+                if row_errors:
+                    form_error = "Fehlerhafte Datei. Bitte prüfen Sie die markierten Zeilen."
+                else:
+                    for u in parsed_users:
+                        cur.execute("""
+                            INSERT INTO app_user (email, name, mandant_id, password_hash, status)
+                            VALUES (%s, %s, %s, %s, %s)
+                        """, (
+                            u["email"],
+                            u["name"],
+                            current_mandant_id,
+                            u["password_hash"],
+                            u["status"]
+                        ))
+
+                    conn.commit()
+                    success_message = f"{len(parsed_users)} neue Benutzer angelegt."
+
+    cur.close()
+    conn.close()
+
+    return render_template(
+        "useradmin_user_upload.html",
+        page_title="CSV-Upload Benutzer",
+        active_page="useradmin",
+        form_error=form_error,
+        success_message=success_message,
+        row_errors=row_errors,
+        mandant_name=mandant_name,
+        **get_current_user()
+    )
+
+@app.route("/useradmin/mandant/user/<int:user_id>/delete", methods=["POST"])
+@user_admin_required
+def useradmin_user_delete(user_id):
+    current_mandant_id = session.get("mandant_id")
+    current_user_id = session.get("user_id")
+
+    if user_id == current_user_id:
+        abort(403)
+
+    conn = get_connection()
+    cur = conn.cursor()
+
+    cur.execute("""
+        DELETE FROM app_user
+        WHERE id = %s
+          AND mandant_id = %s
+    """, (user_id, current_mandant_id))
+    conn.commit()
+
+    cur.close()
+    conn.close()
+
+    return redirect(url_for("useradmin_mandant"))

app/flask-postgres/app/templates/useradmin_mandant.html

@@ -4,18 +4,32 @@
 
 <div class="page-header">
   <h1>Useradministration</h1>
-  <p class="intro-text">Benutzer des aktuellen Mandanten.</p>
+  <p class="intro-text">
+    Benutzer des aktuellen Mandanten <strong>({{ mandant_name }})</strong>.
+  </p>
 </div>
 
 <section class="admin-section">
   <div class="admin-panel">
     <div class="admin-panel-header">
       <h2>Benutzerübersicht</h2>
+      <p class="admin-subtitle">
+        Level des Mandanten: <strong>{{ mandant_level_label }}</strong>
+      </p>
     </div>
 
-<div class="admin-actions">
+    <div class="admin-actions admin-actions-spaced">
       <a href="/useradmin/mandant/new" class="btn-primary">Neuer User</a>
-</div>
+      <a href="/useradmin/mandant/upload" class="btn-secondary">CSV-Upload</a>
+    </div>
+
+    <div class="status-legend">
+      <strong>Status:</strong>
+      <span>0 - deaktiviert</span>
+      <span>1 - aktiv</span>
+      <span>2 - gesperrt</span>
+      <span>3 - disabled</span>
+    </div>
 
     <div class="table-wrap">
       <table class="mandanten-table">
@@ -25,9 +39,6 @@
             <th>Name</th>
             <th>E-Mail</th>
             <th>Status</th>
-            <th>Letzter Login</th>
-            <th>Mandant</th>
-            <th>Level</th>
             <th>Aktionen</th>
           </tr>
         </thead>
@@ -37,13 +48,22 @@
             <td class="col-id">{{ user.id }}</td>
             <td>{{ user.name }}</td>
             <td>{{ user.email }}</td>
-            <td>{{ user.status }}</td>
-            <td>{{ user.last_login or "-" }}</td>
-            <td>{{ user.mandant_name }}</td>
-            <td>{{ user.mandant_level_label }}</td>
+            <td>{{ user.status_label }}</td>
             <td class="col-actions">
               <div class="table-actions">
                 <a href="/useradmin/mandant/user/{{ user.id }}" class="btn-primary btn-small">Bearbeiten</a>
+
+                {% if user.can_delete %}
+                  <form method="post" action="/useradmin/mandant/user/{{ user.id }}/delete">
+                    <button type="submit"
+                            class="btn-danger btn-small"
+                            onclick="return confirm('Benutzer wirklich löschen?')">
+                      Löschen
+                    </button>
+                  </form>
+                {% else %}
+                  <button type="button" class="btn-secondary btn-small" disabled>Aktueller User</button>
+                {% endif %}
               </div>
             </td>
           </tr>
@@ -51,6 +71,7 @@
         </tbody>
       </table>
     </div>
+
   </div>
 </section>
 

app/flask-postgres/app/templates/useradmin_user_upload.html

@@ -0,0 +1,71 @@
+{% extends "base.html" %}
+
+{% block content %}
+
+<div class="page-header">
+  <h1>Benutzer per CSV anlegen</h1>
+  <p class="intro-text">
+    Upload für neue Benutzer im aktuellen Mandanten
+    <strong>({{ mandant_name }})</strong>.
+  </p>
+</div>
+
+<section class="admin-section">
+  <div class="admin-panel upload-panel">
+
+    {% if form_error %}
+      <div class="error-box">{{ form_error }}</div>
+    {% endif %}
+
+    {% if success_message %}
+      <div class="success-box">{{ success_message }}</div>
+    {% endif %}
+
+    {% if row_errors %}
+      <div class="error-box">
+        <strong>Fehlerdetails:</strong>
+        <ul class="error-list">
+          {% for err in row_errors %}
+            <li>{{ err }}</li>
+          {% endfor %}
+        </ul>
+      </div>
+    {% endif %}
+
+    <form method="post" enctype="multipart/form-data" class="upload-form">
+      <div class="upload-grid">
+
+        <div class="upload-main">
+          <label for="csv_file" class="upload-label">CSV-Datei</label>
+          <input type="file" id="csv_file" name="csv_file" accept=".csv,text/csv" required>
+        </div>
+
+        <div class="upload-info-card">
+          <h2>Format</h2>
+          <div class="upload-code">name;email;status;passwort</div>
+
+          <h2>Beispiel</h2>
+          <pre class="upload-example">Max Mustermann;max@example.com;1;Geheimes123
+Erika Musterfrau;erika@example.com;0;Passwort999</pre>
+
+          <h2>Hinweise</h2>
+          <ul class="upload-hints">
+            <li>Status nur <strong>0</strong> oder <strong>1</strong></li>
+            <li>Passwort mindestens <strong>8 Zeichen</strong></li>
+            <li>E-Mail muss eindeutig und gültig sein</li>
+            <li>Trennzeichen ist <strong>Semikolon</strong></li>
+          </ul>
+        </div>
+
+      </div>
+
+      <div class="admin-actions upload-actions">
+        <button type="submit" class="btn-primary">CSV prüfen und importieren</button>
+        <a href="/useradmin/mandant" class="btn-secondary">Zurück</a>
+      </div>
+    </form>
+
+  </div>
+</section>
+
+{% endblock %}

app/flask-postgres/styles/site.css

@@ -1091,3 +1091,127 @@ button {
   border-radius: 8px;
   transition: width 0.3s ease;
 }
+
+/* ===============================
+   CSV Upload User
+   =============================== */
+
+.upload-panel {
+  max-width: 1100px;
+}
+
+.upload-form {
+  margin-top: 8px;
+}
+
+.upload-grid {
+  display: grid;
+  grid-template-columns: 1.1fr 1fr;
+  gap: 28px;
+  align-items: start;
+}
+
+.upload-main {
+  background: #f8fbff;
+  border: 1px solid #dce3ea;
+  border-radius: 16px;
+  padding: 24px;
+}
+
+.upload-label {
+  display: block;
+  margin-bottom: 12px;
+  font-weight: 700;
+  color: #0d2f57;
+  font-size: 20px;
+}
+
+.upload-info-card {
+  background: #f8fbff;
+  border: 1px solid #dce3ea;
+  border-radius: 16px;
+  padding: 24px;
+}
+
+.upload-info-card h2 {
+  margin: 0 0 10px;
+  font-size: 22px;
+  color: #0d2f57;
+}
+
+.upload-info-card h2:not(:first-child) {
+  margin-top: 22px;
+}
+
+.upload-code {
+  display: inline-block;
+  padding: 10px 14px;
+  border-radius: 10px;
+  background: #eef4fb;
+  border: 1px solid #dce3ea;
+  color: #0d2f57;
+  font-family: monospace;
+  font-size: 18px;
+}
+
+.upload-example {
+  margin: 0;
+  padding: 14px 16px;
+  border-radius: 12px;
+  background: #0f172a;
+  color: #e2e8f0;
+  font-family: monospace;
+  font-size: 16px;
+  line-height: 1.5;
+  overflow-x: auto;
+}
+
+.upload-hints {
+  margin: 0;
+  padding-left: 18px;
+}
+
+.upload-hints li {
+  margin-bottom: 8px;
+}
+
+.upload-actions {
+  margin-top: 24px;
+}
+
+.error-list {
+  margin: 10px 0 0;
+  padding-left: 18px;
+}
+
+@media (max-width: 900px) {
+  .upload-grid {
+    grid-template-columns: 1fr;
+  }
+}
+
+.admin-actions-spaced {
+  margin-bottom: 22px;
+}
+
+.status-legend {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 12px 18px;
+  align-items: center;
+  margin-bottom: 18px;
+  padding: 12px 14px;
+  background: #f8fbff;
+  border: 1px solid #dce3ea;
+  border-radius: 12px;
+  color: #334155;
+}
+
+.status-legend strong {
+  color: #0d2f57;
+}
+
+.admin-subtitle {
+  margin: 6px 0 0;
+  color: #526172;
+}

app/flask-postgres/tests/userliste-fail.csv

@@ -0,0 +1,3 @@
+Max Mustermann;mm@kolb.cc;0;geheim123
+Susi Sonnenschein;suso@gmail;0;test
+Petra Schön;ps@kolb.cc;4;passwort;ooo

app/flask-postgres/tests/userliste.csv

@@ -0,0 +1,3 @@
+Max Mustermann;mm@kolb.cc;0;geheim123
+Susi Sonnenschein;suso@gmail.com;0;testtest
+Petra Schön;ps@kolb.cc;1;passwort