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♻️ Refactor cache system with redis

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🐛 Add lock to check in prevent multiple at the same time
This commit is contained in:
LittleSheep
2025-05-24 17:29:24 +08:00
parent d4da5d7afc
commit 460ce62452
16 changed files with 569 additions and 161 deletions
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64
DysonNetwork.Sphere/Permission/PermissionService.cs
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@ -1,22 +1,29 @@
using Microsoft.Extensions.Caching.Memory;
using System.Text.Json;
using Microsoft.EntityFrameworkCore;
using NodaTime;
using System.Text.Json;
using DysonNetwork.Sphere.Storage;
namespace DysonNetwork.Sphere.Permission;
public class PermissionService(
AppDatabase db,
IMemoryCache cache,
ICacheService cache,
ILogger<PermissionService> logger)
{
private static readonly TimeSpan CacheExpiration = TimeSpan.FromMinutes(1);
private const string PermCacheKeyPrefix = "Perm_";
private const string PermGroupCacheKeyPrefix = "PermCacheGroup_";
private const string PermissionGroupPrefix = "PermGroup_";
private string GetPermissionCacheKey(string actor, string area, string key) =>
$"perm:{actor}:{area}:{key}";
private static string _GetPermissionCacheKey(string actor, string area, string key) =>
PermCacheKeyPrefix + actor + ":" + area + ":" + key;
private string GetGroupsCacheKey(string actor) =>
$"perm_groups:{actor}";
private static string _GetGroupsCacheKey(string actor) =>
PermGroupCacheKeyPrefix + actor;
private static string _GetPermissionGroupKey(string actor) =>
PermissionGroupPrefix + actor;
public async Task<bool> HasPermissionAsync(string actor, string area, string key)
{
@ -26,26 +33,31 @@ public class PermissionService(
public async Task<T?> GetPermissionAsync<T>(string actor, string area, string key)
{
var cacheKey = GetPermissionCacheKey(actor, area, key);
var cacheKey = _GetPermissionCacheKey(actor, area, key);
if (cache.TryGetValue<T>(cacheKey, out var cachedValue))
var cachedValue = await cache.GetAsync<T>(cacheKey);
if (cachedValue != null)
{
return cachedValue;
}
var now = SystemClock.Instance.GetCurrentInstant();
var groupsKey = GetGroupsCacheKey(actor);
var groupsKey = _GetGroupsCacheKey(actor);
var groupsId = await cache.GetOrCreateAsync(groupsKey, async entry =>
var groupsId = await cache.GetAsync<List<Guid>>(groupsKey);
if (groupsId == null)
{
entry.AbsoluteExpirationRelativeToNow = CacheExpiration;
return await db.PermissionGroupMembers
groupsId = await db.PermissionGroupMembers
.Where(n => n.Actor == actor)
.Where(n => n.ExpiredAt == null || n.ExpiredAt < now)
.Where(n => n.AffectedAt == null || n.AffectedAt >= now)
.Select(e => e.GroupId)
.ToListAsync();
});
await cache.SetWithGroupsAsync(groupsKey, groupsId,
new[] { _GetPermissionGroupKey(actor) },
CacheExpiration);
}
var permission = await db.PermissionNodes
.Where(n => n.GroupId == null || groupsId.Contains(n.GroupId.Value))
@ -56,7 +68,9 @@ public class PermissionService(
var result = permission is not null ? _DeserializePermissionValue<T>(permission.Value) : default;
cache.Set(cacheKey, result, CacheExpiration);
await cache.SetWithGroupsAsync(cacheKey, result,
new[] { _GetPermissionGroupKey(actor) },
CacheExpiration);
return result;
}
@ -86,7 +100,7 @@ public class PermissionService(
await db.SaveChangesAsync();
// Invalidate related caches
InvalidatePermissionCache(actor, area, key);
await InvalidatePermissionCacheAsync(actor, area, key);
return node;
}
@ -119,8 +133,9 @@ public class PermissionService(
await db.SaveChangesAsync();
// Invalidate related caches
InvalidatePermissionCache(actor, area, key);
cache.Remove(GetGroupsCacheKey(actor));
await InvalidatePermissionCacheAsync(actor, area, key);
await cache.RemoveAsync(_GetGroupsCacheKey(actor));
await cache.RemoveGroupAsync(_GetPermissionGroupKey(actor));
return node;
}
@ -134,7 +149,7 @@ public class PermissionService(
await db.SaveChangesAsync();
// Invalidate cache
InvalidatePermissionCache(actor, area, key);
await InvalidatePermissionCacheAsync(actor, area, key);
}
public async Task RemovePermissionNodeFromGroup<T>(PermissionGroup group, string actor, string area, string key)
@ -148,14 +163,15 @@ public class PermissionService(
await db.SaveChangesAsync();
// Invalidate caches
InvalidatePermissionCache(actor, area, key);
cache.Remove(GetGroupsCacheKey(actor));
await InvalidatePermissionCacheAsync(actor, area, key);
await cache.RemoveAsync(_GetGroupsCacheKey(actor));
await cache.RemoveGroupAsync(_GetPermissionGroupKey(actor));
}
private void InvalidatePermissionCache(string actor, string area, string key)
private async Task InvalidatePermissionCacheAsync(string actor, string area, string key)
{
var cacheKey = GetPermissionCacheKey(actor, area, key);
cache.Remove(cacheKey);
var cacheKey = _GetPermissionCacheKey(actor, area, key);
await cache.RemoveAsync(cacheKey);
}
private static T? _DeserializePermissionValue<T>(JsonDocument json)