Question 240810 in IOS Swift Question posted in
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Ios swift – How can I remove Escaped string from Json?

I am trying to send request to server. unable get correct format JSON . please help to resolve this error.
[ "{"ProductGroupId":"994475","ProductId":"994408"}", "{"ProductGroupId":"994475","ProductId":"999737"}", "{"ProductGroupId":"994475","ProductId":"999915"}", "{"ProductGroupId":"994475","ProductId":"1194875"}" ] 

self.productGroupList = json.response.result.packages[0].productGroups for index in 1..<self.productGroupList[3].products.count{
    self.productGroupIdList.append(self.productGroupList[3].products[index].productGroupID) self.productGroupIdList.append(self.productGroupList[3].products[index].id) let dictionary = ["ProductGroupId": self.productGroupList[3].products[index].productGroupID, "ProductId": self.productGroupList[3].products[index].id] as [String : Any] do {
        let jsonData:Data = try JSONSerialization.data( withJSONObject: dictionary, options: .fragmentsAllowed ) let jsonString = String(data: jsonData, encoding: .utf8)! self.Linelist.append(jsonString)
    }

    catch {
        print(error.localizedDescription)
    }

    self.noOfCycleValuesDropDown()
}
}
}
catch{
    print(error)
}
case .failure(let error): print("Error: (error.localizedDescription)") // Handle the error if needed
}
}
}

I am Expecting request like below format

[
  {
    "ProductGroupId": "994475",
    "ProductId": "994408"
  },
  {
    "ProductGroupId": "994475",
    "ProductId": "999737"
  },
  {
    "ProductGroupId": "994475",
    "ProductId": "999915"
  },
  {
    "ProductGroupId": "994475",
    "ProductId": "999951"
  },
  {
    "ProductGroupId": "994475",
    "ProductId": "1014043"
  },
  {
    "ProductGroupId": "994475",
    "ProductId": "1194891"
  }
]
Tags:

2

Answers


  1. 0

    You need to use arrays of dictionaries in swift You can try this approach I have tested it in playground

    import Foundation
struct Test: Codable{
  let ProductGroupId: String
  let ProductId: String
}
    var data = [Test(ProductGroupId: "1", ProductId: "34533"),Test(ProductGroupId: "2", ProductId:"54545")]
    var dict = [[String: Any]]()

    for d in data{
        dict.append(["ProductGroupId":d.ProductGroupId,"ProductId":d.ProductId])
    }

    do{
        let jsonData = try JSONSerialization.data(withJSONObject: dict)
        print(String(data: jsonData, encoding: .utf8)!)
    }
    catch{
        print(error)
    }

    When I convert the Data to String and print it on console to check if the format is correct I get the JSON formatted string.

    [{"ProductId":"34533","ProductGroupId":"1"},{"ProductId":"54545","ProductGroupId":"2"}]

    You can send the jsonData to server.

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  2. 0

    You can get desired JSON Data using Encodables very easily
    For example create a product structre

    struct Product: Encodable {
    let groupId: String
    let productId: String
    
    enum CodingKeys: String, CodingKey {
        case groupId = "ProductGroupId"
        case productId = "ProductId"
    }
}

    Then try to add the values the way you were doing in loop, but for example

    var products: [Product] = []
products.append(Product(groupId: "994475", productId: "994408"))
products.append(Product(groupId: "994475", productId: "994408"))
products.append(Product(groupId: "994475", productId: "994408"))
products.append(Product(groupId: "994475", productId: "994408"))

    And to get data that you need from json use this

    /// This is what you need to send to server, use do try to get unwrapped object
let productsData: Data? = try? JSONEncoder().encode(products)
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