Невозможно десериализовать текущий объект JSON (например, {"name": "value"}) в тип Collection of List - PullRequest
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Невозможно десериализовать текущий объект JSON (например, {"name": "value"}) в тип Collection of List

1 голос
/ 16 октября 2019

Я конвертирую json в список Model в C #, но это делает исключение. В моем ответе Json я получаю тип GUID, я не знаю, как конвертировать в привязке модели. 

    client = new FireSharp.FirebaseClient(config);
    FirebaseResponse response = await client.GetAsync("Products/");
    var o = JsonConvert.DeserializeObject<Products>(response.Body);
    Products obj = response.ResultAs<Products>();
    var listOfProducts = response.ResultAs<List<Products>>();
    return View(listOfProducts);





  The below is my Json response,

    {"806CACEC-4D99-4EF5-935E-E4FAD8A6529C":{"categories":"Featured|Fish|Rice","productDescription":"New complete product\nThis is the test description to check how much space is taken by it. So just filling some random thing here and there. Also we need to limit the size of the description based on how much space it can take else admin can enter a very big description just like this. :)","productImage":"https://firebasestorage.googleapis.com/v0/b/amrestaurant-c56b4.appspot.com/o/Products%2F806CACEC-4D99-4EF5-935E-E4FAD8A6529C%2Fimage0?alt=media&token=90a64e8c-f03c-43ee-8bdb-ea4b3334912d","productName":"Schezwan Fried Rice","sizes":[{"goodFor":1,"price":"7.77","size":"Small"},{"goodFor":2,"price":"8.88","size":"Medium"},{"goodFor":3,"price":"9.99","size":"Large"}],"stockAmount":"Yes"},"F977ADF3-7820-4CC6-9A11-B59CA7D62041":{"categories":"Chicken|Rice|Featured","productDescription":"Fried rice dish","productImage":"https://firebasestorage.googleapis.com/v0/b/amrestaurant-c56b4.appspot.com/o/Products%2FF977ADF3-7820-4CC6-9A11-B59CA7D62041%2Fimage0?alt=media&token=798c6a99-3cf9-45d2-abd5-9da9593cb8e1","productName":"Fried Rice ","sizes":[{"goodFor":1,"price":"2.95","size":"Small"},{"goodFor":2,"price":"3.95","size":"Medium"},{"goodFor":3,"price":"4.95","size":"Large"}],"stockAmount":"Yes"}}



 i've another response, what will be the code to extract below response,

{"EYr9acl0M4YYE08k426TKNPbv8J3":{"02CBD688-C6F9-44B1-A62F-EDC6EE685DE8":{"email":"nimitknd@gmail.com","fullname":"Nimit Kalaria","orderIsDelivery":true,"orderItems":[{"orderItemAmount":"7.77","orderItemCategory":"RICE","orderItemCode":"806CACEC-4D99-4EF5-935E-E4FAD8A6529C","orderItemImage":"https://firebasestorage.googleapis.com/v0/b/amrestaurant-c56b4.appspot.com/o/Products%2F806CACEC-4D99-4EF5-935E-E4FAD8A6529C%2Fimage0?alt=media&token=90a64e8c-f03c-43ee-8bdb-ea4b3334912d","orderItemName":"Fried Rice","orderItemPrice":"$7.77","orderItemSize":"Regular","orderQuantity":"1"},{"orderItemAmount":"19.98","orderItemCategory":"RICE","orderItemCode":"806CACEC-4D99-4EF5-935E-E4FAD8A6529C","orderItemImage":"https://firebasestorage.googleapis.com/v0/b/amrestaurant-c56b4.appspot.com/o/Products%2F806CACEC-4D99-4EF5-935E-E4FAD8A6529C%2Fimage0?alt=media&token=90a64e8c-f03c-43ee-8bdb-ea4b3334912d","orderItemName":"Fried Rice","orderItemPrice":"$9.99","orderItemSize":"Large","orderQuantity":"2"}],"orderPaymentMode":"Cash","orderStatus":"On the way","orderTimestamp":"1521278785.31225","orderTimezoneIdentifier":"Asia/Kolkata","orderTotalAmount":"27.75","orderUserAddress":"test5, city5, 55555, state5","phoneNumber":"(973) 194-4040","userId":"EYr9acl0M4YYE08k426TKNPbv8J3"},"054B7B1A-0F7A-49E9-BCAC-CC20E63538D1":{"email":"nimitknd@gmail.com","fullname":"Nimit Kalaria","orderIsDelivery":true,"orderItems":[{"orderItemAmount":"5.90","orderItemCategory":"RICE","orderItemCode":"F977ADF3-7820-4CC6-9A11-B59CA7D62041","orderItemImage":"https://firebasestorage.googleapis.com/v0/b/amrestaurant-c56b4.appspot.com/o/Products%2FF977ADF3-7820-4CC6-9A11-B59CA7D62041%2Fimage0?alt=media&token=798c6a99-3cf9-45d2-abd5-9da9593cb8e1","orderItemName":"Fried Rice ","orderItemPrice":"$2.95","orderItemSize":"Regular","orderQuantity":"2"},{"orderItemAmount":"7.90","orderItemCategory":"RICE","orderItemCode":"F977ADF3-7820-4CC6-9A11-B59CA7D62041","orderItemImage":"https://firebasestorage.googleapis.com/v0/b/amrestaurant-c56b4.appspot.com/o/Products%2FF977ADF3-7820-4CC6-9A11-B59CA7D62041%2Fimage0?alt=media&token=798c6a99-3cf9-45d2-abd5-9da9593cb8e1","orderItemName":"Fried Rice ","orderItemPrice":"$3.95","orderItemSize":"Medium","orderQuantity":"2"}],"orderPaymentMode":"Cash","orderStatus":"On the way","orderTimestamp":"1537453527.02233","orderTimezoneIdentifier":"Asia/Kolkata","orderTotalAmount":"13.80","orderUserAddress":"test5, city5, 55555, state5","phoneNumber":"(973) 194-4040","userId":"EYr9acl0M4YYE08k426TKNPbv8J3"},"0872BD6B-F5FE-4036-A6B0-9D19AE8ECD31":{"email":"nimitknd@gmail.com","fullname":"Nimit Kalaria","orderIsDelivery":true,"orderItems":[{"orderItemAmount":"26.64","orderItemCategory":"RICE","orderItemCode":"806CACEC-4D99-4EF5-935E-E4FAD8A6529C","orderItemImage":"https://firebasestorage.googleapis.com/v0/b/amrestaurant-c56b4.appspot.com/o/Products%2F806CACEC-4D99-4EF5-935E-E4FAD8A6529C%2Fimage0?alt=media&token=90a64e8c-f03c-43ee-8bdb-ea4b3334912d","orderItemName":"Fried Rice","orderItemPrice":"$8.88","orderItemSize":"Medium","orderQuantity":"3"}],"orderPaymentMode":"Cash","orderStatus":"On the way","orderTimestamp":"1521277982.70246","orderTimezoneIdentifier":"Asia/Kolkata","orderTotalAmount":"26.64","orderUserAddress":"doing test address, tedt, 123456, test","phoneNumber":"(973) 194-4040","userId":"EYr9acl0M4YYE08k426TKNPbv8J3"},"1A7E73C5-B9A1-4162-9812-2154142C287D":{"email":"nimitknd@gmail.com","fullname":"Nimit Kalaria","orderIsDelivery":true,"orderItems":[{"orderItemAmount":"17.76","orderItemCategory":"RICE","orderItemCode":"806CACEC-4D99-4EF5-935E-E4FAD8A6529C","orderItemImage":"https://firebasestorage.googleapis.com/v0/b/amrestaurant-c56b4.appspot.com/o/Products%2F806CACEC-4D99-4EF5-935E-E4FAD8A6529C%2Fimage0?alt=media&token=90a64e8c-f03c-43ee-8bdb-ea4b3334912d","orderItemName":"Fried Rice","orderItemPrice":"$8.88","orderItemSize":"Medium","orderQuantity":"2"},{"orderItemAmount":"7.9","orderItemCategory":"RICE","orderItemCode":"F977ADF3-7820-4CC6-9A11-B59CA7D62041","orderItemImage":"https://firebasestorage.googleapis.com/v0/b/amrestaurant-c56b4.appspot.com/o/Products%2FF977ADF3-7820-4CC6-9A11-B59CA7D62041%2Fimage0?alt=media&token=798c6a99-3cf9-45d2-abd5-9da9593cb8e1","orderItemName":"Fried Rice ","orderItemPrice":"$3.95","orderItemSize":"Medium","orderQuantity":"2"}],"orderPaymentMode":"Cash","orderStatus":"On the way","orderTimestamp":"1521317743.81503","orderTimezoneIdentifier":"Asia/Kolkata","orderTotalAmount":"25.66","orderUserAddress":"test5, city5, 55555, state5","phoneNumber":"(973) 194-4040","userId":"EYr9acl0M4YYE08k426TKNPbv8J3"},"1F54A117-F7E9-4B2E-876F-9D1135904F11":{"email":"nimitknd@gmail.com","fullname":"Nimit Kalaria","orderIsDelivery":true,"orderItems":[{"orderItemAmount":"26.64","orderItemCategory":"RICE","orderItemCode":"806CACEC-4D99-4EF5-935E-E4FAD8A6529C","orderItemImage":"https://firebasestorage.googleapis.com/v0/b/amrestaurant-c56b4.appspot.com/o/Products%2F806CACEC-4D99-4EF5-935E-E4FAD8A6529C%2Fimage0?alt=media&token=90a64e8c-f03c-43ee-8bdb-ea4b3334912d","orderItemName":"Fried Rice","orderItemPrice":"$8.88","orderItemSize":"Medium","orderQuantity":"3"}],"orderPaymentMode":"Cash","orderStatus":"On the way","orderTimestamp":"1520756940.0","orderTimezoneIdentifier":"America/Chicago","orderTotalAmount":"26.64","orderUserAddress":"doing test address, tedt, 123456, 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194-4040","userId":"EYr9acl0M4YYE08k426TKNPbv8J3"},"4380CE47-9F2A-4573-8B07-74117588AC83":{"email":"nimitknd@gmail.com","fullname":"Nimit Kalaria","orderIsDelivery":true,"orderItems":[{"orderItemAmount":"2.95","orderItemCategory":"RICE","orderItemCode":"F977ADF3-7820-4CC6-9A11-B59CA7D62041","orderItemImage":"https://firebasestorage.googleapis.com/v0/b/amrestaurant-c56b4.appspot.com/o/Products%2FF977ADF3-7820-4CC6-9A11-B59CA7D62041%2Fimage0?alt=media&token=798c6a99-3cf9-45d2-abd5-9da9593cb8e1","orderItemName":"Fried Rice ","orderItemPrice":"$2.95","orderItemSize":"Regular","orderQuantity":"1"},{"orderItemAmount":"3.95","orderItemCategory":"RICE","orderItemCode":"F977ADF3-7820-4CC6-9A11-B59CA7D62041","orderItemImage":"https://firebasestorage.googleapis.com/v0/b/amrestaurant-c56b4.appspot.com/o/Products%2FF977ADF3-7820-4CC6-9A11-B59CA7D62041%2Fimage0?alt=media&token=798c6a99-3cf9-45d2-abd5-9da9593cb8e1","orderItemName":"Fried Rice ","orderItemPrice":"$3.95","orderItemSize":"Medium","orderQuantity":"1"},{"orderItemAmount":"8.88","orderItemCategory":"RICE","orderItemCode":"806CACEC-4D99-4EF5-935E-E4FAD8A6529C","orderItemImage":"https://firebasestorage.googleapis.com/v0/b/amrestaurant-c56b4.appspot.com/o/Products%2F806CACEC-4D99-4EF5-935E-E4FAD8A6529C%2Fimage0?alt=media&token=90a64e8c-f03c-43ee-8bdb-ea4b3334912d","orderItemName":"Fried Rice","orderItemPrice":"$8.88","orderItemSize":"Medium","orderQuantity":"1"},{"orderItemAmount":"7.77","orderItemCategory":"RICE","orderItemCode":"806CACEC-4D99-4EF5-935E-E4FAD8A6529C","orderItemImage":"https://firebasestorage.googleapis.com/v0/b/amrestaurant-c56b4.appspot.com/o/Products%2F806CACEC-4D99-4EF5-935E-E4FAD8A6529C%2Fimage0?alt=media&token=90a64e8c-f03c-43ee-8bdb-ea4b3334912d","orderItemName":"Fried 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CT","phoneNumber":"646283234","userId":"fiCJGAaBVqg70zD7Ahk2LKt57A33"},"ED0B9D33-2F93-4A35-BFB6-4B5A367B76C4":{"email":"olunic@gmail.com","fullname":"Olu","orderIsDelivery":true,"orderItems":[{"orderItemAmount":"14.75","orderItemCategory":"RICE","orderItemCode":"F977ADF3-7820-4CC6-9A11-B59CA7D62041","orderItemImage":"https://firebasestorage.googleapis.com/v0/b/amrestaurant-c56b4.appspot.com/o/Products%2FF977ADF3-7820-4CC6-9A11-B59CA7D62041%2Fimage0?alt=media&token=798c6a99-3cf9-45d2-abd5-9da9593cb8e1","orderItemName":"Fried Rice ","orderItemPrice":"$2.95","orderItemSize":"Regular","orderQuantity":"5"},{"orderItemAmount":"7.9","orderItemCategory":"RICE","orderItemCode":"F977ADF3-7820-4CC6-9A11-B59CA7D62041","orderItemImage":"https://firebasestorage.googleapis.com/v0/b/amrestaurant-c56b4.appspot.com/o/Products%2FF977ADF3-7820-4CC6-9A11-B59CA7D62041%2Fimage0?alt=media&token=798c6a99-3cf9-45d2-abd5-9da9593cb8e1","orderItemName":"Fried Rice ","orderItemPrice":"$3.95","orderItemSize":"Medium","orderQuantity":"2"},{"orderItemAmount":"9.9","orderItemCategory":"RICE","orderItemCode":"F977ADF3-7820-4CC6-9A11-B59CA7D62041","orderItemImage":"https://firebasestorage.googleapis.com/v0/b/amrestaurant-c56b4.appspot.com/o/Products%2FF977ADF3-7820-4CC6-9A11-B59CA7D62041%2Fimage0?alt=media&token=798c6a99-3cf9-45d2-abd5-9da9593cb8e1","orderItemName":"Fried Rice ","orderItemPrice":"$4.95","orderItemSize":"Large","orderQuantity":"2"},{"orderItemAmount":"7.77","orderItemCategory":"RICE","orderItemCode":"806CACEC-4D99-4EF5-935E-E4FAD8A6529C","orderItemImage":"https://firebasestorage.googleapis.com/v0/b/amrestaurant-c56b4.appspot.com/o/Products%2F806CACEC-4D99-4EF5-935E-E4FAD8A6529C%2Fimage0?alt=media&token=90a64e8c-f03c-43ee-8bdb-ea4b3334912d","orderItemName":"Fried 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way","orderTimestamp":"1520432040.0","orderTimezoneIdentifier":"America/Chicago","orderTotalAmount":"73.90","orderUserAddress":"7 Warwick Ave, stratfor, 06615, cy","phoneNumber":"6462832242","userId":"mRqzmatsBuRrwiJIJ6w2MUe7yx33"},"8A84E8AD-C4C4-4B47-AFB0-39880A056932":{"email":"onicholson@hostfiniti.net","fullname":"olu n","orderIsDelivery":false,"orderItems":[{"orderItemAmount":"44.4","orderItemCategory":"RICE","orderItemCode":"806CACEC-4D99-4EF5-935E-E4FAD8A6529C","orderItemImage":"https://firebasestorage.googleapis.com/v0/b/amrestaurant-c56b4.appspot.com/o/Products%2F806CACEC-4D99-4EF5-935E-E4FAD8A6529C%2Fimage0?alt=media&token=90a64e8c-f03c-43ee-8bdb-ea4b3334912d","orderItemName":"Fried Rice","orderItemPrice":"$8.88","orderItemSize":"Medium","orderQuantity":"5"},{"orderItemAmount":"29.5","orderItemCategory":"RICE","orderItemCode":"F977ADF3-7820-4CC6-9A11-B59CA7D62041","orderItemImage":"https://firebasestorage.googleapis.com/v0/b/amrestaurant-c56b4.appspot.com/o/Products%2FF977ADF3-7820-4CC6-9A11-B59CA7D62041%2Fimage0?alt=media&token=798c6a99-3cf9-45d2-abd5-9da9593cb8e1","orderItemName":"Fried Rice ","orderItemPrice":"$2.95","orderItemSize":"Regular","orderQuantity":"10"}],"orderPaymentMode":"Cash","orderStatus":"On the way","orderTimestamp":"1520463900.0","orderTimezoneIdentifier":"America/Chicago","orderTotalAmount":"73.90","phoneNumber":"6462832242","userId":"mRqzmatsBuRrwiJIJ6w2MUe7yx33"}},"ue6N51P9OFOrQgRBgutmJ48Hky22":{"667D44AF-FB0D-4656-8392-47DBAFFDE564":{"email":"onicholson@hostfiniti.org","fullname":"olu nic","orderIsDelivery":false,"orderItems":[{"orderItemAmount":"19.8","orderItemCategory":"RICE","orderItemCode":"F977ADF3-7820-4CC6-9A11-B59CA7D62041","orderItemImage":"https://firebasestorage.googleapis.com/v0/b/amrestaurant-c56b4.appspot.com/o/Products%2FF977ADF3-7820-4CC6-9A11-B59CA7D62041%2Fimage0?alt=media&token=798c6a99-3cf9-45d2-abd5-9da9593cb8e1","orderItemName":"Fried Rice ","orderItemPrice":"$4.95","orderItemSize":"Large","orderQuantity":"4"}],"orderPaymentMode":"Cash","orderStatus":"On the way","orderTimestamp":"1520464680.0","orderTimezoneIdentifier":"America/Chicago","orderTotalAmount":"19.80","phoneNumber":"16462832242","userId":"ue6N51P9OFOrQgRBgutmJ48Hky22"},"91F01103-9924-4B09-A325-A3B46F2B9536":{"email":"onicholson@hostfiniti.org","fullname":"olu nic","orderIsDelivery":false,"orderItems":[{"orderItemAmount":"19.8","orderItemCategory":"RICE","orderItemCode":"F977ADF3-7820-4CC6-9A11-B59CA7D62041","orderItemImage":"https://firebasestorage.googleapis.com/v0/b/amrestaurant-c56b4.appspot.com/o/Products%2FF977ADF3-7820-4CC6-9A11-B59CA7D62041%2Fimage0?alt=media&token=798c6a99-3cf9-45d2-abd5-9da9593cb8e1","orderItemName":"Fried Rice ","orderItemPrice":"$4.95","orderItemSize":"Large","orderQuantity":"4"}],"orderPaymentMode":"Cash","orderStatus":"On the way","orderTimestamp":"1521358768.40113","orderTimezoneIdentifier":"America/New_York","orderTotalAmount":"19.80","phoneNumber":"(164) 628-3224","userId":"ue6N51P9OFOrQgRBgutmJ48Hky22"}}}

And this is my model,

        public class Products
        {
            public string categories { get; set; }
            public string productDescription { get; set; }
            public string productImage { get; set; }
            public string productName { get; set; }
            public List<Sizes> sizes { get; set; }
            public string stockAmount { get; set; }
        }
        public class Sizes
        {
            public int goodFor { get; set; }
            public decimal price { get; set; }
            public string size { get; set; }
        }

Ответы [ 2 ]

1 голос
/ 19 октября 2019

Благодаря ключу GUID возвращенные данные могут быть преобразованы в Dictionary<string, Propducts>, а нужные данные извлечены из проанализированного словаря 

//...

FirebaseClient client = new FireSharp.FirebaseClient(config);
FirebaseResponse response = await client.GetAsync("Products/");
Dictionary<string, Products> data = response.ResultAs<Dictionary<string, Products>>();
List<Products>() listOfProducts = data.Select(kvp => kvp.Value).ToList();
return View(listOfProducts);

В то время как показанные исходные данные имеют один результат. Приведенный выше ответ также будет работать, когда объект имеет несколько ключей, когда ответ содержит более одного элемента.

1 голос
/ 19 октября 2019

Коллекция будет [{},{}].

Ваш ввод - один объект.

Очень часто обернуть коллекции в объект перед их возвратом (это связано с security , поиск по "массивам json верхнего уровня"). «).

Вам может понадобиться создать объект-оболочку 

public WithProducts {
public List<Products> Products { get; set; } // Guessing. See what the collection is called in the result
}
(...)

JsonConvert.Deserialise<WithProducts>(json);

Кстати. Хорошей практикой является использование имени существительного в единственном числе для имен классов, например Product, Size, чтобы вы не получили var oneProduct = new Products() {...}.

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