Modal to add link

bookwyrm/templates/book/book.html

@@ -147,7 +147,7 @@
                 {% include 'snippets/toggle/open_button.html' with text=button_text controls_text="add_description" controls_uid=book.id focus="id_description" hide_active=True id="hide_description" %}
 
                 <div class="box is-hidden" id="add_description_{{ book.id }}">
-                    <form name="add-description" method="POST" action="/add-description/{{ book.id }}">
+                    <form name="add-description" method="POST" action="{% url "add-description" book.id %}">
                         {% csrf_token %}
                         <p class="fields is-grouped">
                             <label class="label" for="id_description_{{ book.id }}">{% trans "Description:" %}</label>
@@ -345,6 +345,23 @@
                 {% endif %}
             </section>
             {% endif %}
+
+            <section class="content-block">
+                <h2 class="title is-5">{% trans "Get a copy" %}</h2>
+                {% if book.file_links %}
+                <ul>
+                    {% for link in book.file_links.all %}
+                    <li><a href="{{ link.url }}">{{ link.name }}</a> ({{ link.filetype }})</li>
+                    {% endfor %}
+                </ul>
+                {% endif %}
+
+                {% if can_edit_book %}
+                {% trans "Add link to copy" as button_text %}
+                {% include 'snippets/toggle/toggle_button.html' with text=button_text controls_text="edit_file_links" controls_uid=book.id focus="modal_title_edit_file_links" class="is-small" icon_with_text="plus" %}
+                {% include 'book/file_links_modal.html' with book=book controls_text="edit_file_links" controls_uid=book.id %}
+                {% endif %}
+            </section>
         </div>
     </div>
 

bookwyrm/templates/book/file_links_modal.html

@@ -0,0 +1,37 @@
+{% extends 'components/modal.html' %}
+{% load i18n %}
+
+{% block modal-title %}
+{% trans "Add file link" %}
+{% endblock %}
+
+{% block modal-form-open %}
+<form name="add-link" method="POST" action="{% url 'add-file-link' book.id %}">
+{% endblock %}
+
+{% block modal-body %}
+{% csrf_token %}
+<div class="field">
+    <label class="label" for="id_url">{% trans "Description:" %}</label>
+    {{ file_link_form.name }}
+</div>
+
+<div class="columns">
+    <div class="column is-four-fifths">
+        <label class="label" for="id_url">{% trans "URL:" %}</label>
+        <input type="text" name="url" maxlength="255" class="input" required="" id="id_url" value="{% firstof file_link_form.url.value "" %}" placeholder="https://...">
+    </div>
+    <div class="column is-one-fifth">
+        <label class="label" for="id_filetype">{% trans "File type:" %}</label>
+        <input type="text" name="filetype" maxlength="5" class="input" required="" id="id_filetype" value="{% firstof file_link_form.filetype.value "" %}" placeholder="PDF">
+    </div>
+</div>
+
+{% endblock %}
+
+{% block modal-footer %}
+<button class="button is-primary" type="submit">{% trans "Save" %}</button>
+{% trans "Cancel" as button_text %}
+{% include 'snippets/toggle/toggle_button.html' with text=button_text %}
+{% endblock %}
+{% block modal-form-close %}</form>{% endblock %}

bookwyrm/views/__init__.py

@@ -28,7 +28,13 @@ from .preferences.delete_user import DeleteUser
 from .preferences.block import Block, unblock
 
 # books
-from .books.books import Book, upload_cover, add_description, resolve_book
+from .books.books import (
+    Book,
+    upload_cover,
+    add_description,
+    resolve_book,
+    add_file_link,
+)
 from .books.books import update_book_from_remote
 from .books.edit_book import EditBook, ConfirmEditBook
 from .books.editions import Editions, switch_edition

bookwyrm/views/books/books.py

@@ -4,6 +4,7 @@ from uuid import uuid4
 from django.contrib.auth.decorators import login_required, permission_required
 from django.core.files.base import ContentFile
 from django.core.paginator import Paginator
+from django.db import transaction
 from django.db.models import Avg, Q
 from django.http import Http404
 from django.shortcuts import get_object_or_404, redirect
@@ -40,7 +41,7 @@ class Book(View):
             .filter(Q(id=book_id) | Q(parent_work__id=book_id))
             .order_by("-edition_rank")
             .select_related("parent_work")
-            .prefetch_related("authors")
+            .prefetch_related("authors", "file_links")
             .first()
         )
 
@@ -84,6 +85,7 @@ class Book(View):
         }
 
         if request.user.is_authenticated:
+            data["file_link_form"] = forms.FileLinkForm()
             readthroughs = models.ReadThrough.objects.filter(
                 user=request.user,
                 book=book,
@@ -194,3 +196,21 @@ def update_book_from_remote(request, book_id, connector_identifier):
     connector.update_book_from_remote(book)
 
     return redirect("book", book.id)
+
+
+@login_required
+@require_POST
+@permission_required("bookwyrm.edit_book", raise_exception=True)
+@transaction.atomic
+def add_file_link(request, book_id):
+    """Add a link to a copy of the book you can read"""
+    book = get_object_or_404(models.Book.objects.select_subclasses(), id=book_id)
+    form = forms.FileLinkForm(request.POST)
+    if not form.is_valid():
+        return redirect("book", book.id)
+
+    link = form.save()
+    book.file_links.add(link)
+    book.last_edited_by = request.user
+    book.save()
+    return redirect("book", book.id)