Back function implemented for delete book and edit book

cps/editbooks.py

@@ -60,6 +60,7 @@ from .tasks.upload import TaskUpload
 from .render_template import render_title_template
 from .usermanagement import login_required_if_no_ano
 from .kobo_sync_status import change_archived_books
+from .redirect import get_redirect_location
 
 
 editbook = Blueprint('edit-book', __name__)
@@ -96,7 +97,7 @@ def delete_book_from_details(book_id):
 @editbook.route("/delete/<int:book_id>/<string:book_format>", methods=["POST"])
 @login_required
 def delete_book_ajax(book_id, book_format):
-    return delete_book_from_table(book_id, book_format, False)
+    return delete_book_from_table(book_id, book_format, False, request.form.to_dict().get('location', ""))
 
 
 @editbook.route("/admin/book/<int:book_id>", methods=['GET'])
@@ -823,7 +824,7 @@ def delete_whole_book(book_id, book):
     calibre_db.session.query(db.Books).filter(db.Books.id == book_id).delete()
 
 
-def render_delete_book_result(book_format, json_response, warning, book_id):
+def render_delete_book_result(book_format, json_response, warning, book_id, location=""):
     if book_format:
         if json_response:
             return json.dumps([warning, {"location": url_for("edit-book.show_edit_book", book_id=book_id),
@@ -835,16 +836,16 @@ def render_delete_book_result(book_format, json_response, warning, book_id):
             return redirect(url_for('edit-book.show_edit_book', book_id=book_id))
     else:
         if json_response:
-            return json.dumps([warning, {"location": url_for('web.index'),
+            return json.dumps([warning, {"location": get_redirect_location(location, "web.index"),
                                          "type": "success",
                                          "format": book_format,
                                          "message": _('Book Successfully Deleted')}])
         else:
             flash(_('Book Successfully Deleted'), category="success")
-            return redirect(url_for('web.index'))
+            return redirect(get_redirect_location(location, "web.index"))
 
 
-def delete_book_from_table(book_id, book_format, json_response):
+def delete_book_from_table(book_id, book_format, json_response, location=""):
     warning = {}
     if current_user.role_delete_books():
         book = calibre_db.get_book(book_id)
@@ -891,7 +892,7 @@ def delete_book_from_table(book_id, book_format, json_response):
         else:
             # book not found
             log.error('Book with id "%s" could not be deleted: not found', book_id)
-        return render_delete_book_result(book_format, json_response, warning, book_id)
+        return render_delete_book_result(book_format, json_response, warning, book_id, location)
     message = _("You are missing permissions to delete books")
     if json_response:
         return json.dumps({"location": url_for("edit-book.show_edit_book", book_id=book_id),

cps/helper.py

@@ -692,15 +692,15 @@ def valid_password(check_password):
     if config.config_password_policy:
         verify = ""
         if config.config_password_min_length > 0:
-            verify += "^(?=.{" + str(config.config_password_min_length) + ",}$)"
+            verify += r"^(?=.{" + str(config.config_password_min_length) + ",}$)"
         if config.config_password_number:
-            verify += "(?=.*?\d)"
+            verify += r"(?=.*?\d)"
         if config.config_password_lower:
-            verify += "(?=.*?[a-z])"
+            verify += r"(?=.*?[a-z])"
         if config.config_password_upper:
-            verify += "(?=.*?[A-Z])"
+            verify += r"(?=.*?[A-Z])"
         if config.config_password_special:
-            verify += "(?=.*?[^A-Za-z\s0-9])"
+            verify += r"(?=.*?[^A-Za-z\s0-9])"
         match = re.match(verify, check_password)
         if not match:
             raise Exception(_("Password doesn't comply with password validation rules"))
@@ -1039,7 +1039,7 @@ def check_calibre(calibre_location):
         binaries_available = [os.path.isfile(binary_path) for binary_path in supported_binary_paths]
         binaries_executable = [os.access(binary_path, os.X_OK) for binary_path in supported_binary_paths]
         if all(binaries_available) and all(binaries_executable):
-            values = [process_wait([binary_path, "--version"], pattern='\(calibre (.*)\)')
+            values = [process_wait([binary_path, "--version"], pattern=r'\(calibre (.*)\)')
                       for binary_path in supported_binary_paths]
             if all(values):
                 version = values[0].group(1)

cps/redirect.py

@@ -44,9 +44,9 @@ def remove_prefix(text, prefix):
     return ""
 
 
-def redirect_back(endpoint, **values):
+def get_redirect_location(next, endpoint, **values):
-    target = request.form.get('next', None) or url_for(endpoint, **values)
+    target = next or url_for(endpoint, **values)
     adapter = current_app.url_map.bind(urlparse(request.host_url).netloc)
     if not len(adapter.allowed_methods(remove_prefix(target, request.environ.get('HTTP_X_SCRIPT_NAME',"")))):
         target = url_for(endpoint, **values)
-    return redirect(target)
+    return target

cps/static/js/main.js

@@ -20,7 +20,7 @@ function getPath() {
     return jsFileLocation.substr(0, jsFileLocation.search("/static/js/libs/jquery.min.js"));  // the js folder path
 }
 
-function postButton(event, action){
+function postButton(event, action, location=""){
     event.preventDefault();
     var newForm = jQuery('<form>', {
         "action": action,
@@ -30,7 +30,14 @@ function postButton(event, action){
         'name': 'csrf_token',
         'value': $("input[name=\'csrf_token\']").val(),
         'type': 'hidden'
-    })).appendTo('body');
+    })).appendTo('body')
+    if(location !== "") {
+        newForm.append(jQuery('<input>', {
+            'name': 'location',
+            'value': location,
+            'type': 'hidden'
+        })).appendTo('body');
+    }
     newForm.submit();
 }
 
@@ -212,17 +219,20 @@ $("#delete_confirm").click(function(event) {
                             $( ".navbar" ).after( '<div class="row-fluid text-center" >' +
                                 '<div id="flash_'+item.type+'" class="alert alert-'+item.type+'">'+item.message+'</div>' +
                                 '</div>');
-
                         }
                     });
                     $("#books-table").bootstrapTable("refresh");
                 }
             });
         } else {
-            postButton(event, getPath() + "/delete/" + deleteId);
+            var loc = sessionStorage.getItem("back");
+            if (!loc) {
+                loc = $(this).data("back");
+            }
+            sessionStorage.removeItem("back");
+            postButton(event, getPath() + "/delete/" + deleteId, location=loc);
         }
     }
-
 });
 
 //triggered when modal is about to be shown

cps/templates/author.html

@@ -32,7 +32,7 @@
     </div>
   <div class="row display-flex">
     {% for entry in entries %}
-    <div id="books" class="col-sm-3 col-lg-2 col-xs-6 book">
+    <div id="books" class="col-sm-3 col-lg-2 col-xs-6 book session">
       <div class="cover">
         <a href="{{ url_for('web.show_book', book_id=entry.Books.id) }}" {% if simple==false %}data-toggle="modal" data-target="#bookDetailsModal" data-remote="false"{% endif %}>
             <span class="img" title="{{entry.Books.title}}">
@@ -99,7 +99,7 @@
   <h3>{{_("More by")}} {{ author.name.replace('|',',') }}</h3>
   <div class="row">
     {% for entry in other_books %}
-    <div class="col-sm-3 col-lg-2 col-xs-6 book">
+    <div class="col-sm-3 col-lg-2 col-xs-6 book session">
       <div class="cover">
         <a href="https://www.goodreads.com/book/show/{{ entry.gid['#text'] }}" target="_blank" rel="noopener">
           <img title="{{entry.title}}" src="{{ entry.image_url }}" />

cps/templates/detail.html

@@ -333,15 +333,15 @@
 
                 {% endif %}
                 {% if current_user.role_edit() %}
-                    <div class="btn-toolbar" role="toolbar">
+                    <div class="col-sm-12">
                         <div class="btn-group" role="group" aria-label="Edit/Delete book">
                             <a href="{{ url_for('edit-book.show_edit_book', book_id=entry.id) }}"
                                class="btn btn-sm btn-primary" id="edit_book" role="button"><span
                                     class="glyphicon glyphicon-edit"></span> {{ _('Edit Metadata') }}</a>
                         </div>
-                    </div>
+                        <div class="btn btn-default" data-back="{{ url_for('web.index') }}" id="back">{{_('Cancel')}}</div>
+                   </div>
                 {% endif %}
-            </div>
         </div>
     </div>
 </div>
@@ -367,4 +367,3 @@
 </script>
 
 {% endblock %}
-

cps/templates/index.html

@@ -6,7 +6,7 @@
   <h2 class="random-books">{{_('Discover (Random Books)')}}</h2>
   <div class="row display-flex">
    {% for entry in random %}
-    <div class="col-sm-3 col-lg-2 col-xs-6 book" id="books_rand">
+    <div class="col-sm-3 col-lg-2 col-xs-6 book session" id="books_rand">
       <div class="cover">
           <a href="{{ url_for('web.show_book', book_id=entry.Books.id) }}" {% if simple==false %}data-toggle="modal" data-target="#bookDetailsModal" data-remote="false"{% endif %}>
               <span class="img" title="{{ entry.Books.title }}">
@@ -89,7 +89,7 @@
   <div class="row display-flex">
     {% if entries[0] %}
     {% for entry in entries %}
-    <div class="col-sm-3 col-lg-2 col-xs-6 book" id="books">
+    <div class="col-sm-3 col-lg-2 col-xs-6 book session" id="books">
       <div class="cover">
           <a href="{{ url_for('web.show_book', book_id=entry.Books.id) }}" {% if simple==false %}data-toggle="modal" data-target="#bookDetailsModal" data-remote="false"{% endif %}>
             <span class="img" title="{{ entry.Books.title }}">

cps/templates/search.html

@@ -41,7 +41,7 @@
 
   <div class="row display-flex">
     {% for entry in entries %}
-    <div class="col-sm-3 col-lg-2 col-xs-6 book">
+    <div class="col-sm-3 col-lg-2 col-xs-6 book session">
       <div class="cover">
         {% if entry.Books.has_cover is defined %}
            <a href="{{ url_for('web.show_book', book_id=entry.Books.id) }}" {% if simple==false %}data-toggle="modal" data-target="#bookDetailsModal" data-remote="false"{% endif %}>

cps/templates/shelf.html

@@ -31,7 +31,7 @@
   {% endif %}
   <div class="row display-flex">
     {% for entry in entries %}
-    <div class="col-sm-3 col-lg-2 col-xs-6 book">
+    <div class="col-sm-3 col-lg-2 col-xs-6 book session">
       <div class="cover">
             <a href="{{ url_for('web.show_book', book_id=entry.Books.id) }}" {% if simple==false %}data-toggle="modal" data-target="#bookDetailsModal" data-remote="false"{% endif %}>
               <span class="img" title="{{entry.Books.title}}" >

cps/web.py

@@ -50,7 +50,7 @@ from .helper import check_valid_domain, check_email, check_username, \
     send_registration_mail, check_send_to_ereader, check_read_formats, tags_filters, reset_password, valid_email, \
     edit_book_read_status, valid_password
 from .pagination import Pagination
-from .redirect import redirect_back
+from .redirect import get_redirect_location
 from .babel import get_available_locale
 from .usermanagement import login_required_if_no_ano
 from .kobo_sync_status import remove_synced_book
@@ -1334,7 +1334,7 @@ def handle_login_user(user, remember, message, category):
     ub.store_user_session()
     flash(message, category=category)
     [limiter.limiter.storage.clear(k.key) for k in limiter.current_limits]
-    return redirect_back("web.index")
+    return redirect(get_redirect_location(request.form.get('next', None), "web.index"))
 
 
 def render_login(username="", password=""):