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

using Core.Annotations;
using Core.Models.Eft.Common.Tables;

namespace 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;
    }
}