我正在Xcode 8上使用Siesta和Swift 3構建API客戶端。我希望能夠使用Siesta資源獲取實體,然後更新一些數據並執行patch
API。Swift Siesta編輯獲取的實體
的問題是,有一個實體,如果我救我的實體領域的JSON數組我不能送他們回服務器,我收到以下錯誤:
▿ Siesta.RequestError
- userMessage: "Cannot send request"
- httpStatusCode: nil
- entity: nil
▿ cause: Optional(Siesta.RequestError.Cause.InvalidJSONObject())
- some: Siesta.RequestError.Cause.InvalidJSONObject
- timestamp: 502652734.40489101
我的實體是:
import SwiftyJSON
import Foundation
struct Order {
let id: String?
let sessionId: String?
let userId: Int?
let status: String?
let comment: String?
let price: Float?
let products: Array<JSON>?
init(json: JSON) throws {
id = json["id"].string
sessionId = json["sessionId"].string
userId = json["userId"].int
status = json["status"].string
comment = json["comment"].string
price = json["price"].float
products = json["products"].arrayValue
}
/**
* Helper method to return data as a Dictionary to be able to modify it and do a patch
**/
public func toDictionary() -> Dictionary<String, Any> {
var dictionary: [String:Any] = [
"id": id ?? "",
"sessionId": sessionId ?? "",
"userId": userId ?? 0,
"status": status ?? "",
"comment": comment ?? ""
]
dictionary["products"] = products ?? []
return dictionary
}
}
我在做什麼是:
MyAPI.sessionOrders(sessionId: sessionId).request(.post, json: ["products": [["product": productId, "amount": 2]], "comment": "get Swifty"]).onSuccess() { response in
let createdObject : Order? = response.typedContent()
expect(createdObject?.sessionId).to(equal(sessionId))
expect(createdObject?.comment).to(equal("get Swifty"))
expect(createdObject?.products).to(haveCount(1))
expect(createdObject?.price).to(equal(product.price! * 2))
if let createdId = createdObject?.id {
var data = createdObject?.toDictionary()
data?["comment"] = "edited Swifty" // can set paid because the user is the business owner
MyAPI.order(id: createdId).request(.patch, json: data!).onSuccess() { response in
result = true
}.onFailure() { response in
dump(response) //error is here
}
}
}
資源:
func sessionOrders(sessionId: String) -> Resource {
return self
.resource("/sessions")
.child(sessionId)
.child("orders")
}
func order(id: String) -> Resource {
return self
.resource("/orders")
.child(id)
}
變形金剛:
self.configureTransformer("/sessions/*/orders", requestMethods: [.post, .put]) {
try Order(json: ($0.content as JSON)["data"])
}
self.configureTransformer("/orders/*") {
try Order(json: ($0.content as JSON)["data"])
}
我已經通過創建像字典結構設法圈這樣的:
let products: Array<Dictionary<String, Any>>?
products = json["products"].arrayValue.map({
["product": $0.dictionaryValue["product"]!.stringValue, "amount": $0.dictionaryValue["amount"]!.intValue]
})
但是我住在向下轉換的地獄,如果我需要做任何修改:
var data = createdObject?.toDictionary()
data?["comment"] = "edited Swifty"
//if I want to modify the products...
var products = data?["products"] as! Array<Dictionary<String, Any>>
products[0]["amount"] = 4
data?["products"] = products
如何發送那些原始的JSON a與Siesta混戰?他們很容易修改和閱讀!我瀏覽了午睡文檔和github問題沒有成功...
太棒了!要編輯產品陣列,我仍然必須將其投射對嗎?如果我沒有,我會得到一個「沒有下標成員」的錯誤。我讀過Siesta docs,這不是一個好主意來修改你的實體屬性......是嗎? – SkarXa
如果內容是'struct',那麼修改實體的內容就好了。 (包括字典和數組)。因爲結構具有價值語義,所以您確實創建了一個新值,而不是修改Resource已有的現有值。擔心的是如果內容是可變對象,則可以在觀察者未收到通知的情況下將其更改。 –