Fixed minor bugs of the playlist

frontend/src/structure/TopBar.js

@@ -29,7 +29,7 @@ class TopBar extends Component{
 
     renderBack(){
         if (this.props.show_back)
-            return <Nav.Link key={5} className="text-bold" onClick={()=>{this.props.handleTabBack()}}><ChevronCompactLeft/>Back</Nav.Link>
+            return <Nav.Link key={20} className="text-bold" onClick={()=>{this.props.handleTabBack()}}><ChevronCompactLeft/>Back</Nav.Link>
         else return "";
     }
 

frontend/src/structure/tabs/playlists/SinglePlaylist/BasicElement.js

@@ -135,10 +135,9 @@ class BasicElement extends Component{
     }
 
     handleClick(){
-        console.log("prova")
-        if (this.props.onClick) this.props.onClick();
-        if (!this.props.hideOptions === "true")
+        if (!(this.props.hideOptions === "true"))
             this.setState({...this.state, showModal: true });
+        if (this.props.onClick) this.props.onClick();
     }
 
     // render a trigger for a tooltip around the card content

frontend/src/structure/tabs/playlists/SinglePlaylist/ControlCard.js

@@ -21,6 +21,7 @@ class ControlCard extends Component{
     }
 
     createElement(type, element_factory){
+        // TODO check why it is taking so long to create/add an element
         switch(type){
             case "drawing":
                 this.setState({...this.state, show_modal: false, show_upload: true});

server/database/models.py

@@ -84,7 +84,10 @@ def create_playlist(cls):
     def get_playlist(cls, id):
         if id is None:
             raise ValueError("An id is necessary to select a playlist")
-        return db.session.query(Playlists).filter(Playlists.id==id).one()       # todo check if there is at leas one line (if the playlist exist)
+        try:
+            return db.session.query(Playlists).filter(Playlists.id==id).one()       # todo check if there is at leas one line (if the playlist exist)
+        except:
+            return Playlists.create_playlist()
 
     @classmethod
     def delete_playlist(cls, id):

server/sockets_interface/socketio_callbacks.py

@@ -40,7 +40,7 @@ def playlist_delete(id):
 @socketio.on("playlist_save")
 def playlist_save(playlist):
     playlist = json.loads(playlist)
-    pl = Playlists.create_playlist() if not "id" in playlist else Playlists.get_playlist(playlist['id'])
+    pl = Playlists.create_playlist() if ((not "id" in playlist) or (playlist["id"] == 0)) else Playlists.get_playlist(playlist['id'])
     pl.clear_elements()
     pl.name = playlist['name']
     pl.add_element(playlist['elements'])