DocSpace-client/web/ASC.Web.Api/Core/QuotaHelper.cs

// (c) Copyright Ascensio System SIA 2010-2022
//
// This program is a free software product.
// You can redistribute it and/or modify it under the terms
// of the GNU Affero General Public License (AGPL) version 3 as published by the Free Software
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// to the effect that Ascensio System SIA expressly excludes the warranty of non-infringement of
// any third-party rights.
//
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// of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For details, see
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// distributing the program. Pursuant to Section 7(e) we decline to grant you any rights under
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// content are licensed under the terms of the Creative Commons Attribution-ShareAlike 4.0
// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode

using ASC.Core.Common.Quota;

namespace ASC.Web.Api.Core;

[Scope]
public class QuotaHelper
{
    private readonly TenantManager _tenantManager;
    private readonly RegionHelper _regionHelper;
    private readonly IServiceProvider _serviceProvider;
    private const int Max = 999;

    public QuotaHelper(TenantManager tenantManager, RegionHelper regionHelper, IServiceProvider serviceProvider)
    {
        _tenantManager = tenantManager;
        _regionHelper = regionHelper;
        _serviceProvider = serviceProvider;
    }

    public IEnumerable<QuotaDto> GetQuotas()
    {
        var quotaList = _tenantManager.GetTenantQuotas(false);
        var priceInfo = _tenantManager.GetProductPriceInfo();
        var currentRegion = _regionHelper.GetCurrentRegionInfo();

        return quotaList.Select(x => ToQuotaDto(x, priceInfo, currentRegion)).ToList();
    }

    private QuotaDto ToQuotaDto(TenantQuota quota, IDictionary<string, Dictionary<string, decimal>> priceInfo, RegionInfo currentRegion)
    {
        var price = GetPrice(quota, priceInfo, currentRegion);
        var features = GetFeatures(quota, GetPriceString(price, currentRegion));

        return new QuotaDto
        {
            Id = quota.Tenant,
            Title = Resource.ResourceManager.GetString($"Tariffs_{quota.Name}"),

            NonProfit = quota.NonProfit,
            Free = quota.Free,
            Trial = quota.Trial,

            Price = new PriceDto
            {
                Value = price,
                CurrencySymbol = currentRegion.CurrencySymbol
            },

            Features = features
        };
    }

    private decimal GetPrice(TenantQuota quota, IDictionary<string, Dictionary<string, decimal>> priceInfo, RegionInfo currentRegion)
    {
        if (!string.IsNullOrEmpty(quota.ProductId) && priceInfo.ContainsKey(quota.ProductId))
        {
            var prices = priceInfo[quota.ProductId];
            if (prices.ContainsKey(currentRegion.ISOCurrencySymbol))
            {
                return prices[currentRegion.ISOCurrencySymbol];
            }
        }
        return quota.Price;
    }

    private string GetPriceString(decimal price, RegionInfo currentRegion)
    {
        var inEuro = "EUR".Equals(currentRegion.ISOCurrencySymbol);

        var priceString = inEuro && Math.Truncate(price) != price ?
            price.ToString(CultureInfo.InvariantCulture) :
            ((int)price).ToString(CultureInfo.InvariantCulture);

        return string.Format("{0}{1}", currentRegion.CurrencySymbol, priceString);
    }

    private IEnumerable<QuotaFeatureDto> GetFeatures(TenantQuota quota, string price)
    {
        var assembly = GetType().Assembly;

        var features = quota.Features.Split(' ', ',', ';');

        foreach (var feature in quota.TenantQuotaFeatures.Where(r => r.Visible).OrderBy(r => r.Order))
        {
            var result = new QuotaFeatureDto();

            if (feature.Paid)
            {
                result.Price = new FeaturePriceDto
                {
                    Per = string.Format(Resource.ResourceManager.GetString($"TariffsFeature_{feature.Name}_price_per"), price),
                    Count = Resource.ResourceManager.GetString($"TariffsFeature_{feature.Name}_price_count")
                };
            }

            result.Id = feature.Name;
            result.Title = Resource.ResourceManager.GetString($"TariffsFeature_{feature.Name}");

            var img = assembly.GetManifestResourceStream($"{assembly.GetName().Name}.img.{feature.Name}.svg");

            if (img != null)
            {
                try
                {
                    using var memoryStream = new MemoryStream();
                    img.CopyTo(memoryStream);
                    result.Image = Encoding.UTF8.GetString(memoryStream.ToArray());
                }
                catch (Exception)
                {

                }
            }

            object used = null;
            if (feature is TenantQuotaFeature<long> length)
            {
                var statisticProvider = (ITenantQuotaFeatureStat<long>)_serviceProvider.GetService(typeof(ITenantQuotaFeatureStatisticLength<>).MakeGenericType(feature.GetType()));

                if (statisticProvider != null)
                {
                    used = statisticProvider.GetValue();
                }

                if (feature.Paid && length.Value != long.MaxValue)
                {
                    result.Price.Range = new FeaturePriceRangeDto
                    {
                        Step = length.Value,
                        Max = Max * length.Value
                    };
                }
            }
            else if (feature is TenantQuotaFeature<int> count)
            {
                var statisticProvider = (ITenantQuotaFeatureStat<int>)_serviceProvider.GetService(typeof(ITenantQuotaFeatureStatisticCount<>).MakeGenericType(feature.GetType()));

                if (statisticProvider != null)
                {
                    used = statisticProvider.GetValue();
                }

                if (feature.Paid && count.Value != int.MaxValue)
                {
                    result.Price.Range = new FeaturePriceRangeDto
                    {
                        Step = count.Value,
                        Max = Max * count.Value
                    };
                }
            }

            if (used != null)
            {
                result.Used = new FeatureUsedDto
                {
                    Value = used,
                    Title = Resource.ResourceManager.GetString($"TariffsFeature_used_{feature.Name}")
                };
            }

            yield return result;
        }
    }
}