Edit book label

app/forms/__init__.py

@@ -1,9 +1,7 @@
 # flake8: noqa F401
 from .auth import LoginForm
 from .user import UserForm, NewUserForm
-from .book import (
+from .book import CreateBookForm, EditBookForm
-    CreateBookForm,
-)
 from .contributor import (
     AddContributorForm,
     DeleteContributorForm,

app/forms/book.py

@@ -3,6 +3,13 @@ from wtforms import StringField, SubmitField
 from wtforms.validators import DataRequired, Length
 
 
-class CreateBookForm(FlaskForm):
+class BaseBookForm(FlaskForm):
     label = StringField("Label", [DataRequired(), Length(6, 256)])
+
+
+class CreateBookForm(BaseBookForm):
     submit = SubmitField("Add new book")
+
+
+class EditBookForm(BaseBookForm):
+    submit = SubmitField("Edit book")

app/templates/book/settings.html

@@ -7,6 +7,23 @@
 <!-- prettier-ignore -->
 {% block right_sidebar %} {% endblock %}
 
+<div class="p-5">
+  <div class="flex justify-between ml-4 mb-3">
+    <h1 class="text-2xl font-extrabold dark:text-white">Settings</h1>
+  </div>
+
+  <form action="{{ url_for('book.edit', book_id=book.id) }}" method="post" class="mb-0 flex flex-col space-y-2 w-1/2">
+    {{ form_hidden_tag() }}
+      <div>
+        <label for="label" class="block mb-2 text-sm font-medium text-gray-900 dark:text-white">Label</label>
+        <input value="{{book.label}}" type="text" name="label" id="label" class="bg-gray-50 border border-gray-300 text-gray-900 text-sm rounded-lg focus:ring-blue-500 focus:border-blue-500 block w-full p-2.5 dark:bg-gray-700 dark:border-gray-600 dark:placeholder-gray-400 dark:text-white dark:focus:ring-blue-500 dark:focus:border-blue-500" placeholder="My Book" required>
+      </div>
+    <div>
+      <button type="submit" class="text-center text-white bg-blue-700 hover:bg-blue-800 focus:ring-4 focus:outline-none focus:ring-blue-300 font-medium rounded-lg text-sm px-4 py-2.5 dark:bg-blue-600 dark:hover:bg-blue-700 dark:focus:ring-blue-800">Save</button>
+    </div>
+  </form>
+</div>
+
 <div class="p-5">
   <div class="flex justify-between ml-4 mb-2">
     <h1 class="text-2xl font-extrabold dark:text-white">Contributors</h1>

app/views/book.py

@@ -76,6 +76,40 @@ def create():
         return redirect(url_for("book.my_books"))
 
 
+@bp.route("/<int:book_id>/edit", methods=["POST"])
+@login_required
+def edit(book_id: int):
+    form = f.EditBookForm()
+    if form.validate_on_submit():
+        book: m.Book = db.session.get(m.Book, book_id)
+        if not book or book.is_deleted:
+            log(log.WARNING, "Book with id [%s] not found", book_id)
+            flash("Book not found", "danger")
+            return redirect(url_for("book.my_books"))
+        label = form.label.data
+        existing_book: m.Book = m.Book.query.filter_by(
+            is_deleted=False,
+            label=label,
+        ).first()
+        if existing_book:
+            log(log.WARNING, "Book with id [%s] not found", book_id)
+            flash("Book label must be unique!", "danger")
+            return redirect(url_for("book.my_books"))
+
+        book.label = label
+        log(log.INFO, "Update Book: [%s]", book)
+        book.save()
+        flash("Success!", "success")
+        return redirect(url_for("book.my_books"))
+    else:
+        log(log.ERROR, "Book create errors: [%s]", form.errors)
+        for field, errors in form.errors.items():
+            field_label = form._fields[field].label.text
+            for error in errors:
+                flash(error.replace("Field", field_label), "danger")
+        return redirect(url_for("book.collection_view", book_id=book_id))
+
+
 @bp.route("/<int:book_id>/collections", methods=["GET"])
 def collection_view(book_id: int):
     book = db.session.get(m.Book, book_id)

tests/test_book.py

@@ -5,7 +5,7 @@ from app import models as m, db
 from tests.utils import login
 
 
-def test_create_book(client: FlaskClient):
+def test_create_edit_book(client: FlaskClient):
     login(client)
 
     BOOK_NAME = "Test Book"
@@ -61,6 +61,41 @@ def test_create_book(client: FlaskClient):
     assert book.versions
     assert len(book.versions) == 1
 
+    response: Response = client.post(
+        "/book/9999/edit",
+        data=dict(
+            label=BOOK_NAME,
+        ),
+        follow_redirects=True,
+    )
+
+    assert response.status_code == 200
+    assert b"Book not found" in response.data
+
+    response: Response = client.post(
+        f"/book/{book.id}/edit",
+        data=dict(
+            label=BOOK_NAME,
+        ),
+        follow_redirects=True,
+    )
+
+    assert response.status_code == 200
+    assert b"Book label must be unique!" in response.data
+
+    response: Response = client.post(
+        f"/book/{book.id}/edit",
+        data=dict(
+            label=BOOK_NAME + " EDITED",
+        ),
+        follow_redirects=True,
+    )
+
+    assert response.status_code == 200
+    assert b"Success!" in response.data
+    book = db.session.get(m.Book, book.id)
+    assert book.label != BOOK_NAME
+
 
 def test_add_contributor(client: FlaskClient):
     _, user = login(client)