Edit books

Fixes #109

fedireads/templates/book.html

@@ -1,9 +1,18 @@
 {% extends 'layout.html' %}
 {% load fr_display %}
 {% block content %}
-<div class="content-container">
+<div class="content-container user-profile">
     <h2><q>{{ book.title }}</q> by
-        {% include 'snippets/authors.html' with book=book %}</h2>
+        {% include 'snippets/authors.html' with book=book %}
+
+        {% if request.user.is_authenticated %}
+        <a href="{{ book.fedireads_key }}/edit" class="edit-link">edit
+            <span class="icon icon-pencil">
+                <span class="hidden-text">Edit Book</span>
+            </span>
+        </a>
+        {% endif %}
+    </h2>
     <div>
         {% if book.parent_work %}<p>Edition of <a href="/book/{{ book.parent_work.fedireads_key }}">{{ book.parent_work.title }}</a></p>{% endif %}
         <div class="book-preview">
@@ -24,6 +33,15 @@
             {% include 'snippets/shelve_button.html' %}
 
         </div>
+        <div>
+            {% if request.user.is_authenticated and not book.cover %}
+            <form name="add-cover" method="POST" action="/upload_cover/{{book.id}}" enctype="multipart/form-data">
+                {% csrf_token %}
+                {{ cover_form.as_p }}
+                <button type="submit">Add cover</button>
+            </form>
+            {% endif %}
+        </div>
     </div>
 </div>