Facebook图形API:从GraphRequest回调对象返回
问题描述:
我有一个函数可以成功地发出请求,但是在将它转换为React-Redux数据流时遇到问题,因为我无法弄清楚如何返回接收到的对象回调。Facebook图形API:从GraphRequest回调对象返回
我目前没有工作,但我相信它使请求成功,因为我可以在console.log中看到它。
import FBSDK, { AccessToken, GraphRequest, GraphRequestManager } from 'react-native-fbsdk'
export const callback = (error, result) => {
if (error) {
console.log(error);
return error
} else {
console.log(result);
return result;
}
}
export const graphRequestFor = fields => {
AccessToken.getCurrentAccessToken()
.then(token => {
console.log(token);
const request = new GraphRequest(
'/me',
{
accessToken: token.accessToken,
parameters: {
fields: {
string: fields
}
}
}, callback
)
new GraphRequestManager().addRequest(request).start()
})
}
export const login =() => {
graphRequestFor('first_name, last_name')
.then(results => {
return results
}) //undefined
}
答
不回答我直接问,但我的问题的解决方案是直接使API调用的动作内,从回调分派对象
import FBSDK, { AccessToken, GraphRequest, GraphRequestManager } from 'react-native-fbsdk'
export const login = params => dispatch => {
AccessToken.getCurrentAccessToken()
.then(token => {
const request = new GraphRequest(
'/me',
{
accessToken: token.accessToken,
parameters: {
fields: {
string: params
}
}
}, (error, result) => {
if (error) {
console.log(error);
return dispatch(receiveCurrentUser(error))
} else {
return dispatch(receiveCurrentUser(result))
}
}
)
new GraphRequestManager().addRequest(request).start()
})
}