54 lines
1.6 KiB
C#
54 lines
1.6 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Mapster;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.Extensions.Caching.Memory;
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using Newtonsoft.Json.Linq;
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using Persistence.Database.Entity;
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using Persistence.Models;
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using Persistence.Repositories;
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namespace Persistence.Repository.Repositories;
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public class DataSourceSystemRepository : IDataSourceSystemRepository
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{
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private static readonly string SystemCacheKey = $"{typeof(Database.Entity.DataSourceSystem).FullName}CacheKey";
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private DbContext db;
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private readonly IMemoryCache memoryCache;
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private const int CacheExpirationInMinutes = 60;
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public DataSourceSystemRepository(DbContext db, IMemoryCache memoryCache)
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{
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this.db = db;
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this.memoryCache = memoryCache;
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}
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protected virtual IQueryable<DataSourceSystem> GetQueryReadOnly() => db.Set<DataSourceSystem>();
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public async Task Add(DataSourceSystemDto dataSourceSystemDto, CancellationToken token)
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{
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var entity = dataSourceSystemDto.Adapt<DataSourceSystem>();
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await db.Set<DataSourceSystem>().AddAsync(entity);
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await db.SaveChangesAsync(token);
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memoryCache.Remove(SystemCacheKey);
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}
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public async Task<IEnumerable<DataSourceSystemDto>> Get(CancellationToken token)
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{
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var systems = await memoryCache.GetOrCreateAsync(SystemCacheKey, async f =>
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{
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f.AbsoluteExpirationRelativeToNow = TimeSpan.FromMinutes(CacheExpirationInMinutes);
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var query = GetQueryReadOnly();
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var entities = await query.ToListAsync(token);
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var dtos = entities.Select(e => e.Adapt<DataSourceSystemDto>());
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return dtos;
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});
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return systems ?? [];
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}
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}
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