67 lines
2.7 KiB
C#
67 lines
2.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using NPoco;
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using Umbraco.Cms.Core.Models;
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using Umbraco.Cms.Core.Persistence.Repositories;
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using Umbraco.Cms.Core.Scoping;
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using Umbraco.Cms.Infrastructure.Persistence.Dtos;
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using Umbraco.Cms.Infrastructure.Persistence.Factories;
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using Umbraco.Extensions;
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namespace Umbraco.Cms.Infrastructure.Persistence.Repositories.Implement
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{
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/// <summary>
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/// Represents the NPoco implementation of <see cref="ICacheInstructionRepository"/>.
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/// </summary>
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internal class CacheInstructionRepository : ICacheInstructionRepository
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{
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/// <inheritdoc/>
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public int CountAll(IScope scope)
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{
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Sql<ISqlContext> sql = scope.SqlContext.Sql().Select("COUNT(*)")
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.From<CacheInstructionDto>();
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return scope.Database.ExecuteScalar<int>(sql);
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}
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/// <inheritdoc/>
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public int CountPendingInstructions(IScope scope, int lastId) =>
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scope.Database.ExecuteScalar<int>("SELECT SUM(instructionCount) FROM umbracoCacheInstruction WHERE id > @lastId", new { lastId });
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/// <inheritdoc/>
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public int GetMaxId(IScope scope) =>
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scope.Database.ExecuteScalar<int>("SELECT MAX(id) FROM umbracoCacheInstruction");
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/// <inheritdoc/>
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public bool Exists(IScope scope, int id) => scope.Database.Exists<CacheInstructionDto>(id);
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/// <inheritdoc/>
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public void Add(IScope scope, CacheInstruction cacheInstruction)
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{
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CacheInstructionDto dto = CacheInstructionFactory.BuildDto(cacheInstruction);
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scope.Database.Insert(dto);
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}
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/// <inheritdoc/>
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public IEnumerable<CacheInstruction> GetPendingInstructions(IScope scope, int lastId, int maxNumberToRetrieve)
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{
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Sql<ISqlContext> sql = scope.SqlContext.Sql().SelectAll()
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.From<CacheInstructionDto>()
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.Where<CacheInstructionDto>(dto => dto.Id > lastId)
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.OrderBy<CacheInstructionDto>(dto => dto.Id);
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Sql<ISqlContext> topSql = sql.SelectTop(maxNumberToRetrieve);
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return scope.Database.Fetch<CacheInstructionDto>(topSql).Select(CacheInstructionFactory.BuildEntity);
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}
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/// <inheritdoc/>
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public void DeleteInstructionsOlderThan(IScope scope, DateTime pruneDate)
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{
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// Using 2 queries is faster than convoluted joins.
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var maxId = scope.Database.ExecuteScalar<int>("SELECT MAX(id) FROM umbracoCacheInstruction;");
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Sql deleteSql = new Sql().Append(@"DELETE FROM umbracoCacheInstruction WHERE utcStamp < @pruneDate AND id < @maxId", new { pruneDate, maxId });
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scope.Database.Execute(deleteSql);
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}
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}
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}
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