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Type:
Improvement
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Resolution: Unresolved
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Priority:
Minor - P4
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None
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Affects Version/s: None
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Component/s: None
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2 - S (<= 1 week)
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1936
Goals
The goal is to pass plain objects (Realm Object converted to JSON and back) to realm, but the nested collections are parsed as objects instead of arrays, see the example below.
simple example schema
exports.Settings = {
name: 'Settings',
primaryKey: 'Id',
properties: {
Id: 'string',
User: 'User',
FavoriteChannels: 'Channel[]',
}
};
exports.User = {
name: 'User',
primaryKey: 'Id',
properties: {
Id: 'string',
FirstName: 'string?',
LastName: 'string?',
PhoneNumbers: 'PhoneNumber[]'
}
};
exports.PhoneNumber = {
name: 'PhoneNumber',
primaryKey: 'Id',
properties: {
Id: 'string',
Number: 'string',
}
};
exports.Channel = {
name: 'Channel',
primaryKey: 'Id',
properties: {
Id: 'string',
ChannelName: 'string?',
Users: 'User[]',
}
};
"settings" - the received plain object
realm.create('Settings', { Id: settings.Id, User: settings.User, FavoriteChannels: settings.FavoriteChannels, }, true)
If I try to pass "settings" directly in "realm.create", I get the following error:
User.PhoneNumbers must be of type 'PhoneNumber[]', got 'object' ([object Object])
Obviously, it expects an array, but the plain object's collections are deserialized to objects (ex. {{PhoneNumbers:
{ '0': [Object] }}}). There's no way for the deserializer to know how to parse Realm Object's "List {}" (ex. {{[PhoneNumbers]: List
{ [0]: [Object] }}}) to arrays.
Here's a related stackoverflow post:
https://stackoverflow.com/questions/51488133/convert-a-complex-plain-object-to-realm-object
Expected Results
A function that can convert the plain object's nested "object collections" to arrays, so they can be passed to Realm or some other workaround.