I want to scrape chrome bookmarks using json object. What I want to do is get all bookmarks from 1 folder. That is the structure of the json:
{
"checksum": "d499848083c2c2e3a38f547da4cbad7c",
"roots": {
"bookmark_bar": {
"children": [ {
"children": [ {
"url": "https://www.example.com/"
}, {
"url": "https://www.another-example.com/"
} ],
"name": "foo",
} ],
"name": "Menu bookmarks",
},
"other": {
"name": "Another bookmarks",
},
"synced": {
"name": "Phone bookmarks",
}
},
"version": 1
}
In this case I want to get urls from folder foo. I am using Json.NET to convert string into object. This code:
string input = File.ReadAllText(bookmarksLocation);
using (StringReader reader = new StringReader(input))
using (JsonReader jsonReader = new JsonTextReader(reader)) {
JsonSerializer serializer = new JsonSerializer();
var o = (JToken)serializer.Deserialize(jsonReader);
var allChildrens = o["roots"]["bookmark_bar"]["children"];
var fooFolder = allChildrens.Where(x => x["name"].ToString() == "foo");
foreach (var item in fooFolder["children"]) {
Console.WriteLine(item["url"].ToString());
}
Console.ReadKey();
}
Is giving me an error:
Cannot apply indexing with [] to an expression of type 'IEnumerable<JToken>'
Can you tell me what I did wrong?
there is 1 loop is missing:
var fooFolder = allChildrens.Where(x => x["name"].ToString() == "foo");
foreach (var folder in fooFolder)
{
foreach (var item in folder["children"])
{
Console.WriteLine(item["url"].ToString());
}
}
Related
I have multiple document like below in mongo collection(giving just one sample).
{
"_id": "5fdb",
"createddate": "2020-12-17",
"orders": [
{
"_id": "4c65",
"sourcesystemrecordid": null,
"accepteddate": "2020-12-19",
"fulfillment": [
{
"_id": "7d3ceb",
"createdby": "Azekry",
"systemid": "123",
"systemrecordname": "source1"
}
]
}
]
}
Under fulfilment, I want to update "systemid" value from "123" to "789" for all the documents where "systemrecordname" = "source1" and for that I have written below piece of code but the data is not updated. Can you help me on this?
foreach (var item in resultFromDatabse)
{
var ordr = item.orders;
foreach (var e in ordr)
{
var actualval = "789";
foreach (var ef in e.fulfillment.Where(x => x.systemrecordname == "source1"))
{
filter = builder.Eq("systemrecordname", ef.systemrecordname);
var update = Builders<EquipmentDemandPlan>.Update.Set("orders.$[e].fulfillment.$[ef].systemid", actualval);
UpdateOneModel<EquipmentDemandPlan> updateOne = new UpdateOneModel<EquipmentDemandPlan>(filter, update)
{
ArrayFilters = new List<ArrayFilterDefinition> {
new BsonDocumentArrayFilterDefinition<BsonDocument>(new BsonDocument("ef.systemrecordname", ef.systemrecordname))
}
};
bulkupdate.Add(updateOne);
}
}
}
collection.BulkWriteAsync(bulkupdate);
you only need arrayFilters in $set
db.collection.update({
"orders.fulfillment.systemrecordname": "source1"
},
{
$set: {
"orders.$[o].fulfillment.$[f].systemid": "789"
}
},
{
arrayFilters: [
{
"o._id": {
$exists: true
}
},
{
"f.systemrecordname": "source1"
}
],
multi: true
})
mongoplayground
Consider I have a JSON data as:
{
"entities":[
{
"republish": false,
"OrgID": "",
"createdby": "730",
"questions": [
{
"sequence": "5",
"QuestionId": "57BB6DDC-A90A-10EE-E224-EC658A825871",
"metadata": [
{
"key": "Group",
"value": 0
},
{
"key": "Part",
"value": "0"
}
]
},
{
"sequence": "4",
"QuestionId": "57BB6DDC-A90A-10EE-E224-EC658A825871",
"metadata": [
{
"key": "Group",
"value": 1
},
{
"key": "Part",
"value": "A"
}
]
},
{
"sequence": "3",
"QuestionId": "57BB6DDC-A90A-10EE-E224-EC658A825871",
"metadata": [
{
"key": "Group",
"value": 1
},
{
"key": "Part",
"value": "B"
}
]
}
]
}
]
}
As you can see I have a list of questions available and in each question, I have a metadata which holds Key-Value pair.
Above example demonstrates, I have 3 questions and out of it 2 question, metadata key-value is "Group 1".
Now I want to do is combine the questions with a same key-value pair and treat it as one.
so in my final case, I will have 2 questions instead of 3. And out of that one question will have two separate questions inside.
And I want to achieve this using Linq query. And if possible please use Newtonsoft for parse if needed. I have been stuck for long onto this.
Things I have done:
public virtual HttpResponseMessage AddQuestionsToStandardMaster(TaxonomyMetaData objQuestion)
{
List<ResponseEntity> objResponseList = new List<ResponseEntity>();
try
{
if (ModelState.IsValid)
{
foreach (var objEntity in objQuestion.Entities)
{
EntityResponse objentityresponse = new EntityResponse();
ResponseEntity objResponse = new ResponseEntity();
}
List<Question> objQuestionList = new List<Question>();
if (objEntity.Questions.Length > 0)
{
foreach (var item in objEntity.Questions)
{
int questionTypeid = 0;
dynamic objQuestionJson = JObject.Parse(item.ToString())
}
}
}
Question objCurrentQuestion = new Question();
Question objQuestionforDelete = new Question();
JObject itemToParese = new JObject();
string SingleQuestionJson = objQuestionJson.GetValue("QuestionData").ToString();
string questionstem = "";
Regex rgx = new Regex("/\'");
objCurrentQuestion.Sequence = Convert.ToInt32(objQuestionJson.GetValue("sequence"));
objCurrentQuestion.tag = objQuestionJson.tag.ToObject<JToken[]>(); ;
objCurrentQuestion.metadata = objQuestionJson.metadata.ToObject<JToken[]>();
objCurrentQuestion.SingleQuestionJson = rgx.Replace(SingleQuestionJson, "'");
objCurrentQuestion.QuestionsType = questionTypeid;
objCurrentQuestion.QuestionsId = new Guid(objQuestionJson.GetValue("QuestionId").ToString());
objCurrentQuestion.VersionNo = Convert.ToInt32(objQuestionJson.GetValue("VersionNo"));
objCurrentQuestion.DisplayQuestionId = Convert.ToString(objQuestionJson.GetValue("DisplayQuestionId"));
objCurrentQuestion.OriginalQuestionId = Convert.ToString(objQuestionJson.GetValue("OriginalQuestionId"));
objCurrentQuestion.PassageText = Convert.ToString(objQuestionJson.GetValue("passage_text"));
objCurrentQuestion.PassageCode = Convert.ToString(objQuestionJson.GetValue("passage_id"));
objCurrentQuestion.PassageTitle = Convert.ToString(objQuestionJson.GetValue("passage_title"));
objCurrentQuestion.IsPublished = Convert.ToByte(true);
objCurrentQuestion.ProductId = objEntity.ProductID;
foreach (var metadata in objCurrentQuestion.metadata)
{
switch (metadata["key"].ToString())
{
case "Group":
objCurrentQuestion.Group = Convert.ToInt32(metadata["value"].ToString());
break;
case "Part":
objCurrentQuestion.Part = metadata["value"].ToString();
break;
}
}
objQuestionList.Add(objCurrentQuestion);
int counter = 1;
//Here I get the data in a group which needs to coverted to JSOn and then replace the original JSON data with this. But I know this is irrelevant to what we need to achieve.
var yui = objQuestionList.Where(tma => tma.Group == counter).Select(t => t).GroupBy(s => new { s.Group }).Where(p => p.Count() > 1).ToList();
//After proper conversion I need to enter this data to a database.
I am a bit unclear on what do you mean by make it
combine the questions with a same key-value pair and treat it as one
But here is how you can group by the JSON into groups in metadata you can do a custom select to what ever you want.
var text = #"{
""entities"":[
{
""republish"": false,
""OrgID"": """",
""createdby"": ""730"",
""questions"": [
{
""sequence"": ""5"",
""QuestionId"": ""57BB6DDC-A90A-10EE-E224-EC658A825871"",
""metadata"": [
{
""key"": ""Group"",
""value"": 0
},
{
""key"": ""Part"",
""value"": ""0""
}
]
},
{
""sequence"": ""4"",
""QuestionId"": ""57BB6DDC-A90A-10EE-E224-EC658A825871"",
""metadata"": [
{
""key"": ""Group"",
""value"": 1
},
{
""key"": ""Part"",
""value"": ""A""
}
]
},
{
""sequence"": ""3"",
""QuestionId"": ""57BB6DDC-A90A-10EE-E224-EC658A825871"",
""metadata"": [
{
""key"": ""Group"",
""value"": 1
},
{
""key"": ""Part"",
""value"": ""B""
}
]
}
]
}
]
}";
var json = JObject.Parse(text);
var groupedData = from entity in json["entities"]
from question in entity["questions"]
group question by question["metadata"][0]["value"] into questionGroup
select questionGroup;
foreach (var data in groupedData)
{
Console.WriteLine("_____________________");
Console.WriteLine("Group");
Console.WriteLine(data.Key);
foreach (var question in data)
{
Console.WriteLine(question["QuestionId"]);
}
Console.WriteLine("_____________________");
}
If "Group" is not always the fist item in the array you can do
question["metadata"].First(md => md.Value<string>("key") == "Group")["value"]
to get it.
I have JSON file in which I would like to extract a certain value of a field name message in C#. So far I code a c# console app, but the LINQ to JSON code would not apply WHERE condition.
using (StreamReader lire = File.OpenText(#"filepath"))
{
JObject o = (JObject)JToken.ReadFrom(new JsonTextReader(lire));
var liste = from x in o["messages"]
where x["message"].Contains("photo")
select x["message"];
foreach (var x in liste)
{
Console.WriteLine(x);
}
Console.ReadKey();
}
Here a sample a JSON FILE
{
"message": "[Debug][CollectCtrl] Location Saved",
"type": "debug",
"date": 1488152282281
},
{
"message": "[Debug]INSERT INTO photo (location_id, lat, lng, json, filename, heading) VALUES (15,0, 0,'{}', 'file:///storage/emulated/0/Pictures/IMG_20170226_163727.jpg',0)",
"type": "debug",
"date": 1488152282285
},
{
"message": "[Debug]INSERT INTO photo (location_id, lat, lng, json, filename, heading) VALUES (15,0, 0,'{}', 'file:///storage/emulated/0/Pictures/IMG_20170226_163718.jpg',0)",
"type": "debug",
"date": 1488152282289
},
{
"message": "[Debug]Photo saved.28",
"type": "debug",
"date": 1488152282439
},
This is the working code.
using (var sr = File.OpenText(#"C:\Users\sranade\documents\visual studio 2015\Projects\AccessModifiers\AccessModifiers\sample.json"))
{
var o = (JArray)JToken.ReadFrom(new JsonTextReader(sr));
foreach (var obj in o.Children<JObject>())
{
foreach (var p in obj.Properties())
{
if (p.Name.Contains("message") && p.Value.ToString().Contains("photo"))
{
Console.WriteLine(p.Value.ToString());
}
}
}
}
An below code is using LINQ to JSON
var messageList = o.Select(x => x["message"]).Where(x => x.ToString().Contains("photo")).ToList();
foreach (var message in messageList)
{
Console.WriteLine(message);
}
i am trying to get a value from a json file using c#. the json file looks more like the below string.
{
"results": [
{
"address_components": [
{
"long_name": "3",
"short_name": "3",
"types": [
"street_number"
]
}
],
"formatted_address": "3, Puppalaguda - Manikonda Main Rd, Sri Laxmi Nagar Colony, Manikonda, Hyderabad, Telangana 500089, India",
"geometry": {
"bounds": {
"northeast": {
"lat": 17.4025788,
"lng": 78.3748307
},
"southwest": {
"lat": 17.4019665,
"lng": 78.3733937
}
},
"location": {
"lat": 17.4023166,
"lng": 78.37417409999999
},
"location_type": "RANGE_INTERPOLATED",
"viewport": {
"northeast": {
"lat": 17.4036216302915,
"lng": 78.37546118029151
},
"southwest": {
"lat": 17.4009236697085,
"lng": 78.3727632197085
}
}
},
"place_id": "EmkzLCBQdXBwYWxhZ3VkYSAtIE1hbmlrb25kYSBNYWluIFJkLCBTcmkgTGF4bWkgTmFnYXIgQ29sb255LCBNYW5pa29uZGEsIEh5ZGVyYWJhZCwgVGVsYW5nYW5hIDUwMDA4OSwgSW5kaWE",
"types": [
"street_address"
]
}
]
}
I am looking for the formatted_address element from the json from C#. I am getting lost in JObject, JArray, JToken. I am trying to use NewtonSoft JSON. Thank you.
Using the LINQ-to-JSON API (JObjects) you can get the formatted address easily using the SelectToken method:
JObject obj = JObject.Parse(json);
string address = (string)obj.SelectToken("results[0].formatted_address");
Console.WriteLine(address);
Fiddle: https://dotnetfiddle.net/Fdvqkl
The easiest way would be to have model objects and then call
var rootObject = JsonConvert.DeserializeObject(jsonString);
With jsonString being your input. Then you can retrieve the formatted_address from the first array element like this like this:
var formattedAddress = rootObject.results[0].formatted_address;
Hope it helps.
using Newtonsoft.Json nuget . and do something like that
static void Main(string[] args)
{
string json = "{'results':[{'SwiftCode':'','City':'','BankName':'Deutsche Bank','Bankkey':'10020030','Bankcountry':'DE'},{'SwiftCode':'','City':'10891 Berlin','BankName':'Commerzbank Berlin (West)','Bankkey':'10040000','Bankcountry':'DE'}]}";
var resultObjects = AllChildren(JObject.Parse(json))
.First(c => c.Type == JTokenType.Array && c.Path.Contains("results"))
.Children<JObject>();
foreach (JObject result in resultObjects)
{
foreach (JProperty property in result.Properties())
{
// do something with the property belonging to result
}
}
}
// recursively yield all children of json
private static IEnumerable<JToken> AllChildren(JToken json)
{
foreach (var c in json.Children())
{
yield return c;
foreach (var cc in AllChildren(c))
{
yield return cc;
}
}
}
change JTokenType.Array to whatever the type u wish , also change the "results" to the property name you wish to extract
I am fetching some data from external Webservice and parsing it to json using Newtonsoft.Json.Linq
like this
JObject o = JObject.Parse(json);
JArray sizes = (JArray) o["data"];
Now the Sizes looks like this
{
[
{
"post_id": "13334556777742_6456",
"message": "messagecomes her",
"attachment": {
"media": [
{
"href": "http://onurl.html",
"alt": "",
"type": "link",
"src": "http://myurl.jpg"
}
],
"name": "come to my name",
"href": "http://mydeeplink.html",
"description": "",
"properties": [],
},
}
]
}
I need to get "src": "http://myurl.jpg"element from this Json array.
I have tried:
foreach (JObject obj in sizes)
{
JArray media = (JArray)obj["attachment"];
foreach (JObject obj1 in media)
{
var src = obj1["src"];
}
}
But it's throwing an error:
Unable to cast object of type 'Newtonsoft.Json.Linq.JObject' to type 'Newtonsoft.Json.Linq.JArray'.
at this line
JArray media = (JArray)obj["attachment"];
Can any one give me a hand on this?
Try fix line
JArray media = (JArray)(obj["attachment"]);
to
JArray media = (JArray)(obj["attachment"]["media"]);
This is how I handled a scenario that sounds just like yours:
public static IList<Entity> DeserializeJson(JToken inputObject)
{
IList<Entity> deserializedObject = new List<Entity>();
foreach (JToken iListValue in (JArray)inputObject["root"])
{
Entity entity = new Entity();
entity.DeserializeJson(iListValue);
deserializedObject.Add(entity);
}
return deserializedObject;
}
public virtual void DeserializeJson(JToken inputObject)
{
if (inputObject == null || inputObject.Type == JTokenType.Null)
{
return;
}
inputObject = inputObject["entity"];
JToken assertions = inputObject["assertions"];
if (assertionsValue != null && assertionsValue.Type != JTokenType.Null)
{
Assertions assertions = new Assertions();
assertions.DeserializeJson(assertionsValue);
this.Assertions = assertions;
}
// Continue Parsing
}