Load more message or pagination action for chat messages

[Claudio Marrero]

var ref = firebase.database().ref("messages/"+userId+"/"+agencyId);

        .orderByChild('timestamp')
       .limitToLast(2);

        scope.messages = $firebaseArray(ref);

        scope.loadMore = function(){

            ref
                .orderByChild('timestamp')
                .limitToLast(4);

            scope.messages = $firebaseArray(ref);
        };

Limit is undefind, and limitToLast doesnt help with this aproach.

I need to load the older messages upside to the messages that already loaded. Like a history list messages.

The new "google" firebase doesnt have the functions that I found to make this aproach.

Best

C

[Kato Richardson]

Hi Claudio,

Unclear what you mean by "limitToLast doesn't help with this approach". What is it you're trying to achieve?

Note that you can't use multiple orderBy() criteria on a ref. So in your loadMore method, you should be accessing the original ref, not the query that already has an orderBy() and limitToLast() on it.

Housekeeping: It looks like you posted this same question in the issue tracker here. As a general rule of etiquette, you can show respect for the community's time by always letting developers know when you cross-post your questions, so we don't duplicate effort.

☼, Kato

C

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Kato Richardson |

Developer Programs Eng |

kato...@google.com |

775-235-8398