SPT-Server-Build/Libraries/SPTarkov.Server.Core/Helpers/QuestConditionHelper.cs

using SPTarkov.DI.Annotations;
using SPTarkov.Server.Core.Models.Eft.Common.Tables;

namespace SPTarkov.Server.Core.Helpers;

[Injectable]
public class QuestConditionHelper
{
    public List<QuestCondition> GetQuestConditions(
        List<QuestCondition> questConditions,
        Func<QuestCondition, List<QuestCondition>>? furtherFilter = null
    )
    {
        return FilterConditions(questConditions, "Quest", furtherFilter);
    }

    public List<QuestCondition> GetLevelConditions(
        List<QuestCondition> questConditions,
        Func<QuestCondition, List<QuestCondition>>? furtherFilter = null
    )
    {
        return FilterConditions(questConditions, "Level", furtherFilter);
    }

    public List<QuestCondition> GetLoyaltyConditions(
        List<QuestCondition> questConditions,
        Func<QuestCondition, List<QuestCondition>>? furtherFilter = null
    )
    {
        return FilterConditions(questConditions, "TraderLoyalty", furtherFilter);
    }

    public List<QuestCondition> GetStandingConditions(
        List<QuestCondition> questConditions,
        Func<QuestCondition, List<QuestCondition>>? furtherFilter = null
    )
    {
        return FilterConditions(questConditions, "TraderStanding", furtherFilter);
    }

    protected List<QuestCondition> FilterConditions(
        List<QuestCondition> questConditions,
        string questType,
        Func<QuestCondition, List<QuestCondition>>? furtherFilter = null
    )
    {
        var filteredQuests = questConditions
            .Where(c =>
            {
                if (c.ConditionType == questType)
                // return true or run the passed in function
                {
                    return furtherFilter is null || furtherFilter(c).Any();
                }

                return false;
            })
            .ToList();

        return filteredQuests;
    }
}