71 lines
2.5 KiB
C#
71 lines
2.5 KiB
C#
// Copyright (C) 2021-present sam (starshines.gay)
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published
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// by the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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using System.Text.Json;
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using StackExchange.Redis;
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namespace Catalogger.Backend.Database.Redis;
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public class RedisService(Config config)
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{
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private readonly ConnectionMultiplexer _multiplexer = ConnectionMultiplexer.Connect(
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config.Database.Redis!
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);
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private readonly JsonSerializerOptions _options =
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new() { PropertyNamingPolicy = JsonNamingPolicy.SnakeCaseLower };
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public IDatabase GetDatabase(int db = -1) => _multiplexer.GetDatabase(db);
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public async Task SetAsync<T>(string key, T value, TimeSpan? expiry = null)
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{
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var json = JsonSerializer.Serialize(value, _options);
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await GetDatabase().StringSetAsync(key, json, expiry);
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}
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public async Task<T?> GetAsync<T>(string key)
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{
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var value = await GetDatabase().StringGetAsync(key);
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return value.IsNull ? default : JsonSerializer.Deserialize<T>(value!, _options);
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}
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public async Task SetHashAsync<T>(string hashKey, string fieldKey, T value)
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{
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var json = JsonSerializer.Serialize(value, _options);
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await GetDatabase().HashSetAsync(hashKey, fieldKey, json);
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}
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public async Task SetHashAsync<T>(
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string hashKey,
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IEnumerable<T> values,
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Func<T, string> keySelector
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)
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{
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var hashEntries = values
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.Select(v => new
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{
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Key = keySelector(v),
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Value = JsonSerializer.Serialize(v, _options),
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})
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.Select(v => new HashEntry(v.Key, v.Value));
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await GetDatabase().HashSetAsync(hashKey, hashEntries.ToArray());
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}
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public async Task<T?> GetHashAsync<T>(string hashKey, string fieldKey)
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{
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var value = await GetDatabase().HashGetAsync(hashKey, fieldKey);
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return value.IsNull ? default : JsonSerializer.Deserialize<T>(value!, _options);
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}
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}
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