StrongLoop modify data before each get on model - loopbackjs

Question

I have the following model in LoopBackJS:
{
"name": "member",
"base": "PersistedModel",
"properties": {
"firstName": {
"type": "string"
}
"public": {
"type": "boolean"
}
},
"relations": {
"spouse": {
"type": "hasOne",
"model": "spouse",
"foreignKey": "spouseId"
}
}
}
Now I need to modify the firstName field, so one can only see "public": true members first name and the others gets firstName: "*". The function for that I have already.
But how can I access the data on each data-access-request?
I tried it with the with the operation hook e.g. find, findOne,... but when I miss one of them some users could access the firstName.
With the remote hook it's the same.
Now I'm trying it with the connector hook:
connector.observe('after execute', function(ctx, next) {
if (ctx.model === 'familyMember') {
if (ctx.req.command === 'find') {
}
}
next();
});
For all find queries (mongodb) but there I can't access the data. Is there a way to access those data? Or is there a much better (build-in) solution for this problem?

Answer 1

You need to check result after each remote :
member.afterRemote('**', function(ctx, modelInstance, next) {
if (ctx.result) {
if (Array.isArray(modelInstance)) {
var answer = [];
ctx.result.forEach(function (result) {
if(result.public === false)
result.firstName = "*";
answer.push(result);
});
} else {
var answer =ctx.result;
if(answer.public === false)
answer.firstName = "*";
}
ctx.result = answer;
}
next();
});