Facebook API Question posted in
The official documentation for the Facebook APIs can be found here.

How to get a Facebook Page's events with Spring Social – Facebook api

My goal is to retrieve a list of events for a certain Facebook page and user profile. List should only return events in the future. I can’t seem to find a way with Spring Social Facebook API. I’m stuck with the following code.

Using Spring Social Facebook v3.0.0.M1

@Controller
@RequestMapping("/")
public class HelloController {

    private Facebook facebook;
    private ConnectionRepository connectionRepository;

    public HelloController(Facebook facebook, ConnectionRepository connectionRepository) {
        this.facebook = facebook;
        this.connectionRepository = connectionRepository;
    }

    @GetMapping
    public String helloFacebook(Model model) {
        if (connectionRepository.findPrimaryConnection(Facebook.class) == null) {
            return "redirect:/connect/facebook";
        }

        //Should  only return events in the future
        PagingParameters pagingParameters = new PagingParameters(10,0,0L,0L);
        PagedList<Event> userEvents = facebook.eventOperations().search("noCriteriaNeed",pagingParameters);
        PagedList<Event> pageEventfacebooks = facebook.pageOperations().facebookOperations("pageID").eventOperations().search("noCriteriaNeed",pagingParameters);


        model.addAttribute("UserfacebookEvents", userEvents);
        model.addAttribute("PagefacebookEvents", pageEventfacebooks);
        return "hello";
    }

}
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2

Answers


  1. Chosen as BEST ANSWER
    0

    I solved this by using the RestOperations API which is more flexible.

    package com.housescent.almanac.web.controller;

import com.housescent.almanac.web.model.EventData;
import org.springframework.social.connect.ConnectionRepository;
import org.springframework.social.facebook.api.Facebook;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;

@Controller
@RequestMapping("/")
public class HelloController {

    private Facebook facebook;
    private ConnectionRepository connectionRepository;

    public HelloController(Facebook facebook, ConnectionRepository connectionRepository) {
        this.facebook = facebook;
        this.connectionRepository = connectionRepository;
    }

    @GetMapping
    public String helloFacebook(Model model) {
        if (connectionRepository.findPrimaryConnection(Facebook.class) == null) {
            return "redirect:/connect/facebook";
        }

        EventData userEvents = facebook.restOperations().getForObject("https://graph.facebook.com/v2.8/pageid/events",EventData.class);


        model.addAttribute("PagefacebookEvents", userEvents);
        return "hello";
    }

}

  2. 0

    In addition to Siya’s answer here’s a simple implementation of the EventData class (just a List holding the Event objects):

    import java.util.List;
import org.springframework.social.facebook.api.Event;
import com.fasterxml.jackson.annotation.JsonIgnoreProperties;

@JsonIgnoreProperties(ignoreUnknown = true)
public class EventData {

    private List<Event> data;

    public List<Event> getData() {
        return data;
    }
}

    Furthermore, I found that one needs to specify the fields in the json response for more than a standard set to appear:

    https://graph.facebook.com/v2.12/[pageid]/events?
fields=id,name,message,description,place,start_time,end_time,picture,cover
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