Render parent books, child books, and other books separately - minor clean in modal.html
<p>Liste des books :</p>
<accordion close-others="false">
<accordion-group ng-repeat="parentBook in books | filter:{ parent_visit: 'null', idArticle: '!null' }" is-open=true>
<accordion-heading>
{{ parentBook.title }}
<a class="pull-right" ng-click="$event.preventDefault(); $event.stopPropagation(); addBook(parentBook.id)"><span class="glyphicon glyphicon-plus"></span></a>
<a class="pull-right" ng-click="$event.preventDefault(); $event.stopPropagation(); edit()"><span class="glyphicon glyphicon-wrench"></span></a>
<a class="pull-right" ng-click="$event.stopPropagation();" href="#/slideshow/{{ parentBook.id }}"><span class="glyphicon glyphicon-eye-open"></span></a>
</accordion-heading>
<div class="list-books" ng-repeat="childBook in books | filter:{ parent_visit: parentBook.id }:true">
<a href="#/books/{{ childBook.id }}">{{ childBook.title }}</a>
<a class="pull-right" ng-click="deleteItem(childBook)"><span class="glyphicon glyphicon-minus"></span></a>
</div>
</accordion-group>
<accordion-group ng-repeat="parentBook in books | filter:{ parent_visit: 'null', idArticle: 'null' }" is-open=true>
<accordion-heading>
Autres Books
</accordion-heading>
<div class="list-books" ng-repeat="childBook in books | filter:{ parent_visit: 'null', idArticle: 'null' }">
<a href="#/books/{{ childBook.id }}">{{ childBook.title }}</a>
<a class="pull-right" ng-click="deleteItem(childBook)"><span class="glyphicon glyphicon-minus"></span></a>
</div>
</accordion-group>
</accordion>
<a class="btn btn-default" ng-click="addBook()"><span class="glyphicon glyphicon-plus"></span></a>