如何在用户注册时将用户添加到现有角色?我的代码不起作用,我在日志中没有任何错误或任何打印(不确定我做错了什么):
Parse.User.signUp(req.body.email, req.body.password, {
"name": req.body.name,
"email": req.body.email,
}, {
success: function(user) {
var query = new Parse.Query(Parse.Role);
query.equalTo("name", 'Basic User');
query.find({
success: function(roles) {
alert("HELLO" + roles);
if (roles.length < 1) {
alert("HELLO");
console.log("Error Signing Up: No roles for " + signUpRoleGroup + " were found");
} else {
alert("HERE");
roles[0].getUsers().add(user);
roles[0].save();
}
},
error: function(error) {
alert("Could not add users to the account " + accountName + " error: " + error.message);
}
});
},
error: function(user, error) {
alert("Error signing up user");
}
});
答案 0 :(得分:4)
我认为正在发生的事情是调用者没有给这个函数一个完成保存角色的机会。云函数应该等到保存角色,然后再调用response.success()或error()。
这是一个承诺 - 返回重写相同的代码。我认为,更容易看到异步完成的异步任务。这使您可以更加牢固地控制响应。
Parse.Cloud.define("signupAsBasicUser", function(request, response) {
signupAsBasicUser(request.params.name, request.params.password, request.params.email).then(function(user) {
response.success(user);
}, function(error) {
response.error(error);
});
});
// return a promise fulfilled with a signed-up user who is added to the 'Basic User" role
//
function signupAsBasicUser(name, password, email) {
Parse.Cloud.useMasterKey();
var user = new Parse.User();
user.set("username", name);
user.set("password", password);
user.set("email", email);
return user.signUp().then(function() {
var query = new Parse.Query(Parse.Role);
query.equalTo("name", 'Basic User');
return query.find();
}).then(function(roles) {
if (roles.length < 1) return Parse.Promise.error("no such role");
roles[0].getUsers().add(user);
return roles[0].save();
}).then(function() {
return user;
});
}