I want to update the single document in collection with the guid as filter and update value is cityType. Every guid has different citytype here i have used 3 types it may be more.
So please give a right implementation using c# code.
Models:
public class Country
{
[BsonId]
public ObjectId Id { get; set; }
public int CountryId {get; set; }
public IEnumerable<States> States { get; set; }
}
public class States
{
public Guid Guid { get; set; }
public CityType CityType { get; set; }
}
Enum CityType
{
Unknown = 0,
Rural = 1,
Urban = 2
}
Existing Collection:
{
"_id": ObjectId("6903ea4d2df0c5659334e763"),
"CountryId": 200,
"States": [
{
"Guid": "AFCC4BE7-7585-5E46-A639-52F0537895D8",
"CityType": 0,
},
{
"Guid": "208FB603-08C7-46D9-B0C0-7AF4F691A96D",
"CityType": 0,
}
}
Input:
List<States>()
{
new States()
{
Guid = "AFCC4BE7-7585-5E46-A639-52F0537895D8",
CityType = CityType.Rural
},
new States()
{
Guid = "208FB603-08C7-46D9-B0C0-7AF4F691A96D",
CityType = CityType.Urban
}
}
Expected:
{
"_id": ObjectId("6903ea4d2df0c5659334e763"),
"CountryId": 200,
"States": [
{
"Guid": "AFCC4BE7-7585-5E46-A639-52F0537895D8",
"CityType": 1,
},
{
"Guid": "208FB603-08C7-46D9-B0C0-7AF4F691A96D",
"CityType": 2,
}
}
This is the method I have tried:
public async Task<bool> UpdateType(int countryId, IEnumerable<States> states)
{
var collection = connectionFactory.GetCollection<Country>(collectionName);
var cityTypes = states.Select(x => x.CityType);
var filter = Builders<Country>.Filter.Empty;
var update = Builders<Country>.Update.Set("States.$[edit].CityType", cityTypes);
var arrayFilters = new List<ArrayFilterDefinition>();
foreach (var state in states)
{
ArrayFilterDefinition<Country> optionsFilter = new BsonDocument("state.Guid", new BsonDocument("$eq", state.Guid));
arrayFilters.Add(optionsFilter);
}
var updateOptions = new UpdateOptions { ArrayFilters = arrayFilters };
var result = await collection.UpdateOneAsync(filter, update, updateOptions);
return result;
}
hope all details I have added here. Thanks in advance.
I have also posted this on Stack Overflow: .net - Mongodb C# Update element in an multiple array with multiple values - Stack Overflow