DocSpace-client/common/ASC.Webhooks.Core/DbWorker.cs

// (c) Copyright Ascensio System SIA 2010-2022
//
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// 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
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// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode

using AutoMapper;

namespace ASC.Webhooks.Core;

[Scope]
public class DbWorker
{
    public static readonly IReadOnlyList<string> MethodList = new List<string>
    {
        "POST",
        "PUT",
        "DELETE"
    };

    private readonly IDbContextFactory<WebhooksDbContext> _dbContextFactory;
    private readonly TenantManager _tenantManager;
    private readonly AuthContext _authContext;
    private readonly IMapper _mapper;

    private int Tenant
    {
        get
        {
            return _tenantManager.GetCurrentTenant().Id;
        }
    }

    public DbWorker(
        IDbContextFactory<WebhooksDbContext> dbContextFactory,
        TenantManager tenantManager,
        AuthContext authContext,
        IMapper mapper)
    {
        _dbContextFactory = dbContextFactory;
        _tenantManager = tenantManager;
        _authContext = authContext;
        _mapper = mapper;
    }

    public async Task<WebhooksConfig> AddWebhookConfig(string uri, string name, string secretKey, bool? enabled, bool? ssl)
    {
        await using var webhooksDbContext = _dbContextFactory.CreateDbContext();

        var objForCreate = await Queries.WebhooksConfigByUriAsync(webhooksDbContext, Tenant, uri);

        if (objForCreate != null)
        {
            return objForCreate;
        }

        var toAdd = new WebhooksConfig
        {
            TenantId = Tenant,
            Uri = uri,
            SecretKey = secretKey,
            Name = name,
            Enabled = enabled ?? true,
            SSL = ssl ?? true
        };

        toAdd = await webhooksDbContext.AddOrUpdateAsync(r => r.WebhooksConfigs, toAdd);
        await webhooksDbContext.SaveChangesAsync();

        return toAdd;
    }

    public IAsyncEnumerable<WebhooksConfigWithStatus> GetTenantWebhooksWithStatus()
    {
        using var webhooksDbContext = _dbContextFactory.CreateDbContext();

        return Queries.WebhooksConfigWithStatusAsync(webhooksDbContext, Tenant);
    }

    public IAsyncEnumerable<WebhooksConfig> GetWebhookConfigs()
    {
        var webhooksDbContext = _dbContextFactory.CreateDbContext();

        return Queries.WebhooksConfigsAsync(webhooksDbContext, Tenant);
    }

    public async Task<WebhooksConfig> UpdateWebhookConfig(int id, string name, string uri, string key, bool? enabled, bool? ssl)
    {
        await using var webhooksDbContext = _dbContextFactory.CreateDbContext();

        var updateObj = await Queries.WebhooksConfigAsync(webhooksDbContext, Tenant, id);

        if (updateObj != null)
        {
            if (!string.IsNullOrEmpty(name))
            {
                updateObj.Name = name;
            }

            if (!string.IsNullOrEmpty(uri))
            {
                updateObj.Uri = uri;
            }

            if (!string.IsNullOrEmpty(key))
            {
                updateObj.SecretKey = key;
            }

            if (enabled.HasValue)
            {
                updateObj.Enabled = enabled.Value;
            }

            if (ssl.HasValue)
            {
                updateObj.SSL = ssl.Value;
            }

            webhooksDbContext.WebhooksConfigs.Update(updateObj);
            await webhooksDbContext.SaveChangesAsync();
        }

        return updateObj;
    }

    public async Task<WebhooksConfig> RemoveWebhookConfigAsync(int id)
    {
        await using var webhooksDbContext = _dbContextFactory.CreateDbContext();

        var removeObj = await Queries.WebhooksConfigAsync(webhooksDbContext, Tenant, id);

        if (removeObj != null)
        {
            webhooksDbContext.WebhooksConfigs.Remove(removeObj);
            await webhooksDbContext.SaveChangesAsync();
        }

        return removeObj;
    }

    public IAsyncEnumerable<DbWebhooks> ReadJournal(int startIndex, int limit, DateTime? deliveryFrom, DateTime? deliveryTo, string hookUri, int? hookId, int? configId, int? eventId, WebhookGroupStatus? webhookGroupStatus)
    {
        using var webhooksDbContext = _dbContextFactory.CreateDbContext();
        var q = GetQueryForJournal(deliveryFrom, deliveryTo, hookUri, hookId, configId, eventId, webhookGroupStatus);

        if (startIndex != 0)
        {
            q = q.Skip(startIndex);
        }

        if (limit != 0)
        {
            q = q.Take(limit);
        }

        return q.AsAsyncEnumerable();
    }

    public async Task<int> GetTotalByQuery(DateTime? deliveryFrom, DateTime? deliveryTo, string hookUri, int? hookId, int? configId, int? eventId, WebhookGroupStatus? webhookGroupStatus)
    {
        return await GetQueryForJournal(deliveryFrom, deliveryTo, hookUri, hookId, configId, eventId, webhookGroupStatus).CountAsync();
    }

    public async Task<WebhooksLog> ReadJournal(int id)
    {
        await using var webhooksDbContext = _dbContextFactory.CreateDbContext();

        var fromDb = await Queries.WebhooksLogAsync(webhooksDbContext, id);

        if (fromDb != null)
        {
            fromDb.Log.Config = fromDb.Config;
        }

        return fromDb.Log;
    }

    public async Task<WebhooksLog> WriteToJournal(WebhooksLog webhook)
    {
        webhook.TenantId = await _tenantManager.GetCurrentTenantIdAsync();
        webhook.Uid = _authContext.CurrentAccount.ID;

        await using var webhooksDbContext = _dbContextFactory.CreateDbContext();

        var entity = await webhooksDbContext.WebhooksLogs.AddAsync(webhook);
        await webhooksDbContext.SaveChangesAsync();

        return entity.Entity;
    }

    public async Task<WebhooksLog> UpdateWebhookJournal(int id, int status, DateTime delivery, string requestHeaders, string responsePayload, string responseHeaders)
    {
        await using var webhooksDbContext = _dbContextFactory.CreateDbContext();

        var webhook = (await Queries.WebhooksLogAsync(webhooksDbContext, id))?.Log;
        if (webhook != null)
        {
            webhook.Status = status;
            webhook.RequestHeaders = requestHeaders;
            webhook.ResponsePayload = responsePayload;
            webhook.ResponseHeaders = responseHeaders;
            webhook.Delivery = delivery;

            webhooksDbContext.WebhooksLogs.Update(webhook);
            await webhooksDbContext.SaveChangesAsync();
        }

        return webhook;
    }

    public async Task Register(List<Webhook> webhooks)
    {
        await using var webhooksDbContext = _dbContextFactory.CreateDbContext();

        var dbWebhooks = Queries.DbWebhooksAsync(webhooksDbContext);

        foreach (var webhook in webhooks)
        {
            if (!await dbWebhooks.AnyAsync(r => r.Route == webhook.Route && r.Method == webhook.Method))
            {
                try
                {
                    await webhooksDbContext.Webhooks.AddAsync(_mapper.Map<DbWebhook>(webhook));
                    await webhooksDbContext.SaveChangesAsync();
                }
                catch (Exception)
                {

                }
            }
        }
    }

    public async Task<List<Webhook>> GetWebhooksAsync()
    {
        await using var webhooksDbContext = _dbContextFactory.CreateDbContext();
        var webHooks = await Queries.DbWebhooksAsync(webhooksDbContext).ToListAsync();
        return _mapper.Map<List<DbWebhook>, List<Webhook>>(webHooks);
    }

    public async Task<Webhook> GetWebhookAsync(int id)
    {
        await using var webhooksDbContext = _dbContextFactory.CreateDbContext();
        var webHook = await Queries.DbWebhookAsync(webhooksDbContext, id);
        return _mapper.Map<DbWebhook, Webhook>(webHook);
    }

    public async Task<Webhook> GetWebhookAsync(string method, string routePattern)
    {
        await using var webhooksDbContext = _dbContextFactory.CreateDbContext();

        var webHook = await Queries.DbWebhookByMethodAsync(webhooksDbContext, method, routePattern);

        return _mapper.Map<DbWebhook, Webhook>(webHook);
    }

    private IQueryable<DbWebhooks> GetQueryForJournal(DateTime? deliveryFrom, DateTime? deliveryTo, string hookUri, int? hookId, int? configId, int? eventId, WebhookGroupStatus? webhookGroupStatus)
    {
        var webhooksDbContext = _dbContextFactory.CreateDbContext();

        var q = webhooksDbContext.WebhooksLogs
            .AsNoTracking()
            .OrderByDescending(t => t.Id)
            .Where(r => r.TenantId == Tenant)
            .Join(webhooksDbContext.WebhooksConfigs.AsNoTracking(), r => r.ConfigId, r => r.Id, (log, config) => new DbWebhooks { Log = log, Config = config });

        if (deliveryFrom.HasValue)
        {
            var from = deliveryFrom.Value;
            q = q.Where(r => r.Log.Delivery >= from);
        }

        if (deliveryTo.HasValue)
        {
            var to = deliveryTo.Value;
            q = q.Where(r => r.Log.Delivery <= to);
        }

        if (!string.IsNullOrEmpty(hookUri))
        {
            q = q.Where(r => r.Config.Uri == hookUri);
        }

        if (hookId != null)
        {
            q = q.Where(r => r.Log.WebhookId == hookId);
        }

        if (configId != null)
        {
            q = q.Where(r => r.Log.ConfigId == configId);
        }

        if (eventId != null)
        {
            q = q.Where(r => r.Log.Id == eventId);
        }

        if (webhookGroupStatus != null && webhookGroupStatus != WebhookGroupStatus.None)
        {
            if ((webhookGroupStatus & WebhookGroupStatus.NotSent) != WebhookGroupStatus.NotSent)
            {
                q = q.Where(r => r.Log.Status != 0);
            }
            if ((webhookGroupStatus & WebhookGroupStatus.Status2xx) != WebhookGroupStatus.Status2xx)
            {
                q = q.Where(r => r.Log.Status < 200 || r.Log.Status >= 300);
            }
            if ((webhookGroupStatus & WebhookGroupStatus.Status3xx) != WebhookGroupStatus.Status3xx)
            {
                q = q.Where(r => r.Log.Status < 300 || r.Log.Status >= 400);
            }
            if ((webhookGroupStatus & WebhookGroupStatus.Status4xx) != WebhookGroupStatus.Status4xx)
            {
                q = q.Where(r => r.Log.Status < 400 || r.Log.Status >= 500);
            }
            if ((webhookGroupStatus & WebhookGroupStatus.Status5xx) != WebhookGroupStatus.Status5xx)
            {
                q = q.Where(r => r.Log.Status < 500);
            }
        }

        return q;
    }
}
public class DbWebhooks
{
    public WebhooksLog Log { get; set; }
    public WebhooksConfig Config { get; set; }
}

[Flags]
public enum WebhookGroupStatus
{
    None = 0,
    NotSent = 1,
    Status2xx = 2,
    Status3xx = 4,
    Status4xx = 8,
    Status5xx = 16
}

static file class Queries
{
    public static readonly Func<WebhooksDbContext, int, string, Task<WebhooksConfig>> WebhooksConfigByUriAsync =
        Microsoft.EntityFrameworkCore.EF.CompileAsyncQuery(
            (WebhooksDbContext ctx, int tenantId, string uri) =>
                ctx.WebhooksConfigs
                    .FirstOrDefault(r => r.TenantId == tenantId && r.Uri == uri));

    public static readonly Func<WebhooksDbContext, int, IAsyncEnumerable<WebhooksConfigWithStatus>> WebhooksConfigWithStatusAsync =
        Microsoft.EntityFrameworkCore.EF.CompileAsyncQuery(
            (WebhooksDbContext ctx, int tenantId) =>
                ctx.WebhooksConfigs
                    .AsNoTracking()
                    .Where(it => it.TenantId == tenantId)
             .GroupJoin(ctx.WebhooksLogs, c => c.Id, l => l.ConfigId, (configs, logs) => new { configs, logs })
            .Select(it =>
                new WebhooksConfigWithStatus
                {
                    WebhooksConfig = it.configs,
                    Status = it.logs.OrderBy(it => it.Delivery).LastOrDefault().Status
                }));

    public static readonly Func<WebhooksDbContext, int, IAsyncEnumerable<WebhooksConfig>> WebhooksConfigsAsync =
        Microsoft.EntityFrameworkCore.EF.CompileAsyncQuery(
            (WebhooksDbContext ctx, int tenantId) =>
                ctx.WebhooksConfigs
                    .AsNoTracking()
                    .Where(it => it.TenantId == tenantId));

    public static readonly Func<WebhooksDbContext, int, int, Task<WebhooksConfig>> WebhooksConfigAsync =
        Microsoft.EntityFrameworkCore.EF.CompileAsyncQuery(
            (WebhooksDbContext ctx, int tenantId, int id) =>
                ctx.WebhooksConfigs
                    .FirstOrDefault(it => it.TenantId == tenantId && it.Id == id));

    public static readonly Func<WebhooksDbContext, int, Task<DbWebhooks>> WebhooksLogAsync =
        Microsoft.EntityFrameworkCore.EF.CompileAsyncQuery(
            (WebhooksDbContext ctx, int id) =>
                ctx.WebhooksLogs
                    .AsNoTracking()
                    .Where(it => it.Id == id)
                    .Join(ctx.WebhooksConfigs, r => r.ConfigId, r => r.Id, (log, config) => new DbWebhooks { Log = log, Config = config })
                    .FirstOrDefault());

    public static readonly Func<WebhooksDbContext, IAsyncEnumerable<DbWebhook>> DbWebhooksAsync =
        Microsoft.EntityFrameworkCore.EF.CompileAsyncQuery(
            (WebhooksDbContext ctx) =>
                ctx.Webhooks.AsNoTracking());

    public static readonly Func<WebhooksDbContext, int, Task<DbWebhook>> DbWebhookAsync =
        Microsoft.EntityFrameworkCore.EF.CompileAsyncQuery(
            (WebhooksDbContext ctx, int id) =>
                ctx.Webhooks
                    .AsNoTracking()
                    .FirstOrDefault(r => r.Id == id));

    public static readonly Func<WebhooksDbContext, string, string, Task<DbWebhook>> DbWebhookByMethodAsync =
        Microsoft.EntityFrameworkCore.EF.CompileAsyncQuery(
            (WebhooksDbContext ctx, string method, string routePattern) =>
                ctx.Webhooks
                    .AsNoTracking()
                    .FirstOrDefault(r => r.Method == method && r.Route == routePattern));
}