AccountTokenizer.cs

using System;
using System.Threading.Tasks;
using Waher.Persistence.FullTextSearch;
using Waher.Persistence.FullTextSearch.Tokenizers;
using Waher.Persistence.Serialization;
using Waher.Runtime.Inventory;
 
namespace Waher.Service.IoTBroker.DataStorage.Tokenizers
{
    public class AccountTokenizer : ITokenizer, IPropertyEvaluator
    {
        private string definition = string.Empty;
 
        public AccountTokenizer()
        {
        }
 
        public Grade Supports(Type Type)
        {
            if (Type == typeof(Account))
                return Grade.Ok;
            else
                return Grade.NotAtAll;
        }
 
        public async Task Tokenize(object Value, TokenizationProcess Process)
        {
            if (Value is Account Account)
                await Tokenize(Account, Process);
        }
 
        public static Task Tokenize(Account Account, TokenizationProcess Process)
        {
            if (!(Account is null))
            {
                StringTokenizer.Tokenize(Account.UserName, Process);
                Process.DocumentIndexOffset++;
                StringTokenizer.Tokenize(Account.EMail, Process);
                Process.DocumentIndexOffset++;
                StringTokenizer.Tokenize(Account.PhoneNr, Process);
                Process.DocumentIndexOffset++;
                StringTokenizer.Tokenize(Account.FirstName, Process);
                Process.DocumentIndexOffset++;
                StringTokenizer.Tokenize(Account.MiddleNames, Process);
                Process.DocumentIndexOffset++;
                StringTokenizer.Tokenize(Account.LastNames, Process);
                Process.DocumentIndexOffset++;
                StringTokenizer.Tokenize(Account.PersonalNumber, Process);
                Process.DocumentIndexOffset++;
                StringTokenizer.Tokenize(Account.Country, Process);
                Process.DocumentIndexOffset++;
                StringTokenizer.Tokenize(Account.OrgNumber, Process);
                Process.DocumentIndexOffset++;
                StringTokenizer.Tokenize(Account.OrgName, Process);
                Process.DocumentIndexOffset++;
                StringTokenizer.Tokenize(Account.OrgRole, Process);
                Process.DocumentIndexOffset++;
                StringTokenizer.Tokenize(Account.OrgDepartment, Process);
                Process.DocumentIndexOffset++;
                StringTokenizer.Tokenize(Account.OrgCountry, Process);
                Process.DocumentIndexOffset++;
            }
 
            return Task.CompletedTask;
        }
 
        public Task Prepare(string Definition)
        {
            this.definition = Definition;
            return Task.CompletedTask;
        }
 
        public Task<object> Evaluate(object Instance)
        {
            if (Instance is Account Account)
            {
                switch (this.definition)
                {
                    case "UserName": return Task.FromResult<object>(Account.UserName);
                    case "EMail": return Task.FromResult<object>(Account.EMail);
                    case "PhoneNr": return Task.FromResult<object>(Account.PhoneNr);
                    case "FirstName": return Task.FromResult<object>(Account.FirstName);
                    case "MiddleNames": return Task.FromResult<object>(Account.MiddleNames);
                    case "LastNames": return Task.FromResult<object>(Account.LastNames);
                    case "PersonalNumber": return Task.FromResult<object>(Account.PersonalNumber);
                    case "Country": return Task.FromResult<object>(Account.Country);
                    case "OrgNumber": return Task.FromResult<object>(Account.OrgNumber);
                    case "OrgName": return Task.FromResult<object>(Account.OrgName);
                    case "OrgRole": return Task.FromResult<object>(Account.OrgRole);
                    case "OrgDepartment": return Task.FromResult<object>(Account.OrgDepartment);
                    case "OrgCountry": return Task.FromResult<object>(Account.OrgCountry);
                }
            }
            else if (Instance is GenericObject Obj)
            {
                if (Obj.TryGetFieldValue(this.definition, out object Obj2))
                    return Task.FromResult(Obj2);
            }
 
            return Task.FromResult<object>(null);
        }
    }
}