Build-in CoreStoreObject to JSON encoding #223

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adam · 2025-12-29T15:26:57+01:00

adam commented

2025-12-29 15:26:57 +01:00

Originally created by @DimaZava on GitHub (Jul 17, 2018).

adam added the enhancement label 2025-12-29 15:26:57 +01:00

adam commented

2025-12-29 15:26:58 +01:00

@HaiyuanZh commented on GitHub (Mar 23, 2019):

might try this:

extension CoreStoreObject {
    func toDict() -> Dictionary<String, Any> {
        var dict = Dictionary<String, Any>()
        self.cs_toRaw().entity.attributesByName.forEach { (field, value) in
            dict[field] = self.cs_toRaw().getValue(forKvcKey: field)
        }
        return dict
    }
}

@HaiyuanZh commented on GitHub (Mar 23, 2019): might try this: ``` extension CoreStoreObject { func toDict() -> Dictionary<String, Any> { var dict = Dictionary<String, Any>() self.cs_toRaw().entity.attributesByName.forEach { (field, value) in dict[field] = self.cs_toRaw().getValue(forKvcKey: field) } return dict } } ```

adam commented

2025-12-29 15:26:58 +01:00

@Saklad5 commented on GitHub (May 6, 2020):

If this is ever done, it should be in the form of automatic conformance to Encodable. However, given that encoding inverse relationships would lead to infinite recursion, I think the entire concept of encoding single objects is flawed.

Personally, I think it would make more sense to implement an NSAtomicStore subclass for JSON, along the lines of the existing XML store. I don’t think that needs to be part of CoreStore to work, either.

@Saklad5 commented on GitHub (May 6, 2020): If this is ever done, it should be in the form of automatic conformance to `Encodable`. However, given that encoding inverse relationships would lead to infinite recursion, I think the entire concept of encoding single objects is flawed. Personally, I think it would make more sense to implement an `NSAtomicStore` subclass for JSON, along the lines of the existing XML store. I don’t think that needs to be part of CoreStore to work, either.

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Reference: starred/CoreStore#223