public async Task <RocketChatUserDto> GetUserByEmailAsync(GetRocketChatUserByEmailInputDto input)
{
return(await UserCache.GetOrAddAsync(
CalculateUserKey(input.Email),
() => GetUserByEmailFromApiAsync(input)
));
}
async Task <RocketChatUserDto> GetUserByEmailFromApiAsync(GetRocketChatUserByEmailInputDto input)
{
// To query data on the rocket chat API, we have to use the mongo-db query operators
// See https://stackoverflow.com/questions/10700921/case-insensitive-search-with-in
const string queryTemplate = "query={\"emails\":{\"$elemMatch\": {\"address\" : {\"$regex\":\"{0}\", \"$options\": \"i\"}}}}";
using (var client = HttpClientFactory.CreateClient("RocketChat"))
{
await Authenticator.AuthenticateAsync(client);
var queryParameter = string.Format(queryTemplate, input.Email);
var response = await client.GetFromJsonAsync <UserListResponse>($"api/v1/users.list?{queryParameter}");
return(response.Users.FirstOrDefault());
}
}