CODEWITHSUNDEEP
swiftrealm
Eduardo Dos Santos
Eduardo Dos Santos

Reputation: 33

How convert Realm data to Json on Swift? Realm version 10.11.0

until version 10.7.6 of Realm I could convert to dictionary and then to json with this code below, but the ListBase class no longer exists.

extension Object {
func toDictionary() -> NSDictionary {
    let properties = self.objectSchema.properties.map { $0.name }
    let dictionary = self.dictionaryWithValues(forKeys: properties)
    let mutabledic = NSMutableDictionary()
    mutabledic.setValuesForKeys(dictionary)
    for prop in self.objectSchema.properties as [Property] {
        // find lists
        if let nestedObject = self[prop.name] as? Object {
            mutabledic.setValue(nestedObject.toDictionary(), forKey: prop.name)
        } else if let nestedListObject = self[prop.name] as? ListBase { /*Cannot find type 'ListBase' in scope*/
            var objects = [AnyObject]()
            for index in 0..<nestedListObject._rlmArray.count  {
                let object = nestedListObject._rlmArray[index] as! Object
                objects.append(object.toDictionary())
            }
            mutabledic.setObject(objects, forKey: prop.name as NSCopying)
        }
    }
    return mutabledic
}

}

let parameterDictionary = myRealmData.toDictionary()
guard let postData = try? JSONSerialization.data(withJSONObject: parameterDictionary, options: []) else {
  return 
}

Upvotes: 3

Views: 920

Answers (2)

Sweeper
Sweeper

Reputation: 271060

List now inherits from RLMSwiftCollectionBase apparently, so you can check for that instead. Also, this is Swift. Use [String: Any] instead of NSDictionary.

extension Object {
    func toDictionary() -> [String: Any] {
        let properties = self.objectSchema.properties.map { $0.name }
        var mutabledic = self.dictionaryWithValues(forKeys: properties)
        for prop in self.objectSchema.properties as [Property] {
            // find lists
            if let nestedObject = self[prop.name] as? Object {
                mutabledic[prop.name] = nestedObject.toDictionary()
            } else if let nestedListObject = self[prop.name] as? RLMSwiftCollectionBase {
                var objects = [Any]()
                for index in 0..<nestedListObject._rlmCollection.count  {
                    if let object = nestedListObject._rlmCollection[index] as? Object {
                        objects.append(object.toDictionary())
                    } else { // handle things like List<Int>
                        objects.append(nestedListObject._rlmCollection[index])
                    }
                }
                mutabledic[prop.name] = objects
            }
        }
        return mutabledic
    }
}

Upvotes: 6

Muhammad Ibrahim
Muhammad Ibrahim

Reputation: 1953

Thanks to @Eduardo Dos Santos. Just do the following steps. You will be good to go.

  1. Change ListBase to RLMSwiftCollectionBase
  2. Change _rlmArray to _rlmCollection
  3. Import Realm

Upvotes: 0

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