init lesson crud-update

example.py

@@ -61,6 +61,40 @@ def users_new():
     )
 
 
+@app.route('/users/<id>/edit')
+def users_edit(id):
+    repo = UserRepository()
+    user = repo.find(id)
+    errors = {}
+
+    return render_template(
+        'users/edit.html',
+        user=user,
+        errors=errors,
+    )
+
+
+@app.route('/users/<id>/patch', methods=['POST'])
+def users_patch(id):
+    repo = UserRepository()
+    user = repo.find(id)
+    data = request.form.to_dict()
+
+    errors = validate(data)
+    if errors:
+        return render_template(
+            'users/edit.html',
+            user=user,
+            errors=errors,
+        ), 422
+
+    user['name'] = data['name']
+    user['email'] = data['email']
+    repo.save(user)
+    flash('Пользователь успешно обновлен', 'success')
+    return redirect(url_for('users_get'))
+
+
 @app.route('/users/<id>')
 def users_show(id):
     repo = UserRepository()

templates/users/edit.html

@@ -0,0 +1,27 @@
+<h1>Редактировать пользователя</h1>
+<hr>
+{% if errors %}
+<ul class=flashes>
+    {% for _, error in errors.items() %}
+    <li class="error">{{ error }}</li>
+    {% endfor %}
+</ul>
+{% endif %}
+<hr>
+<form action="{{ url_for('users_patch', id=user.id) }}" method="post">
+    <div>
+        <label for="user-nickname">
+          Имя:
+          <input type="text" id="user-name" name="name" value="{{ user.name }}">
+        </label>
+      </div>
+      <div>
+        <label for="user-email">
+          Email:
+          <input type="text" id="user-email" name="email" value="{{ user.email }}">
+        </label>
+      </div>
+      <div>
+        <button type="submit" title="Submit form">Обновить</button>
+    </div>
+</form>

templates/users/new.html

@@ -7,6 +7,7 @@ <h1>Новый пользователь</h1>
     {% endfor %}
 </ul>
 {% endif %}
+<hr>
 <form action="{{ url_for('users_post') }}" method="post">
     <div>
     <label for="user-nickname">

templates/users/show.html

@@ -1,4 +1,6 @@
 <div>Имя = {{ user.name }}</div>
 <div>Email = {{ user.email }}</div>
 
+<a href="{{ url_for('users_edit', id=user.id) }}">Редактировать пользователя</a>
+
 <p><a href="{{ url_for('users_get') }}">Назад к списку пользователей</a></p>

user_repository.py

@@ -2,6 +2,7 @@
 import sys
 import uuid
 
+
 class UserRepository():
     def __init__(self):
         self.users = json.load(open("./users.json", 'r'))
@@ -24,8 +25,10 @@ def save(self, new_user):
             raise Exception(f'Wrong data: {json.loads(new_user)}')
         # replace already existed user
         if new_user.get('id'):
-            current_user = self.find(new_user['id'])
-            self.users.pop(current_user)
+            for current in self.users:
+                if new_user['id'] == current['id']:
+                    del current
+                    break
             self.users.append(new_user)
         # or add new
         else: