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GuilhermeStrice
302
Commands/AdvancedStringCommands.cs
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302
Commands/AdvancedStringCommands.cs
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using CommandLine;
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using StackExchange.Redis;
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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 RedisManager.Utils;
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namespace RedisManager.Commands
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{
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/// <summary>
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/// Contains command line options and implementations for advanced Redis string operations.
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/// Provides functionality for APPEND, INCR, DECR, INCRBY, DECRBY, INCRBYFLOAT, GETRANGE, SETRANGE, STRLEN, MGET, and MSET commands.
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/// </summary>
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[Verb("append", HelpText = "Append a value to a key.")]
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public class AppendOptions
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{
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[Option('i', "instance", Required = true, HelpText = "Instance name.")]
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public string Instance { get; set; }
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[Value(0, MetaName = "key", Required = true, HelpText = "Key.")]
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public string Key { get; set; }
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[Value(1, MetaName = "value", Required = true, HelpText = "Value to append.")]
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public string Value { get; set; }
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}
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[Verb("incr", HelpText = "Increment the integer value of a key by one.")]
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public class IncrOptions
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{
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[Option('i', "instance", Required = true, HelpText = "Instance name.")]
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public string Instance { get; set; }
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[Value(0, MetaName = "key", Required = true, HelpText = "Key.")]
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public string Key { get; set; }
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}
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[Verb("decr", HelpText = "Decrement the integer value of a key by one.")]
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public class DecrOptions
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{
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[Option('i', "instance", Required = true, HelpText = "Instance name.")]
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public string Instance { get; set; }
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[Value(0, MetaName = "key", Required = true, HelpText = "Key.")]
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public string Key { get; set; }
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}
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[Verb("incrby", HelpText = "Increment the integer value of a key by a given amount.")]
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public class IncrByOptions
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{
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[Option('i', "instance", Required = true, HelpText = "Instance name.")]
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public string Instance { get; set; }
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[Value(0, MetaName = "key", Required = true, HelpText = "Key.")]
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public string Key { get; set; }
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[Value(1, MetaName = "amount", Required = true, HelpText = "Amount to increment by.")]
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public long Amount { get; set; }
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}
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[Verb("decrby", HelpText = "Decrement the integer value of a key by a given amount.")]
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public class DecrByOptions
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{
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[Option('i', "instance", Required = true, HelpText = "Instance name.")]
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public string Instance { get; set; }
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[Value(0, MetaName = "key", Required = true, HelpText = "Key.")]
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public string Key { get; set; }
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[Value(1, MetaName = "amount", Required = true, HelpText = "Amount to decrement by.")]
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public long Amount { get; set; }
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}
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[Verb("incrbyfloat", HelpText = "Increment the float value of a key by a given amount.")]
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public class IncrByFloatOptions
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{
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[Option('i', "instance", Required = true, HelpText = "Instance name.")]
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public string Instance { get; set; }
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[Value(0, MetaName = "key", Required = true, HelpText = "Key.")]
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public string Key { get; set; }
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[Value(1, MetaName = "amount", Required = true, HelpText = "Amount to increment by.")]
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public double Amount { get; set; }
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}
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[Verb("getrange", HelpText = "Get a substring of the string stored at a key.")]
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public class GetRangeOptions
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{
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[Option('i', "instance", Required = true, HelpText = "Instance name.")]
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public string Instance { get; set; }
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[Value(0, MetaName = "key", Required = true, HelpText = "Key.")]
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public string Key { get; set; }
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[Value(1, MetaName = "start", Required = true, HelpText = "Start offset.")]
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public long Start { get; set; }
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[Value(2, MetaName = "end", Required = true, HelpText = "End offset.")]
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public long End { get; set; }
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}
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[Verb("setrange", HelpText = "Overwrite part of a string at key starting at the specified offset.")]
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public class SetRangeOptions
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{
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[Option('i', "instance", Required = true, HelpText = "Instance name.")]
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public string Instance { get; set; }
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[Value(0, MetaName = "key", Required = true, HelpText = "Key.")]
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public string Key { get; set; }
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[Value(1, MetaName = "offset", Required = true, HelpText = "Offset.")]
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public long Offset { get; set; }
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[Value(2, MetaName = "value", Required = true, HelpText = "Value to set.")]
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public string Value { get; set; }
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}
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[Verb("strlen", HelpText = "Get the length of the value stored in a key.")]
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public class StrLenOptions
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{
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[Option('i', "instance", Required = true, HelpText = "Instance name.")]
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public string Instance { get; set; }
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[Value(0, MetaName = "key", Required = true, HelpText = "Key.")]
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public string Key { get; set; }
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}
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[Verb("mget", HelpText = "Get the values of all the given keys.")]
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public class MGetOptions
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{
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[Option('i', "instance", Required = true, HelpText = "Instance name.")]
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public string Instance { get; set; }
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[Value(0, MetaName = "keys", Min = 1, Required = true, HelpText = "Keys.")]
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public IEnumerable<string> Keys { get; set; }
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}
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[Verb("mset", HelpText = "Set multiple keys to multiple values.")]
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public class MSetOptions
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{
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[Option('i', "instance", Required = true, HelpText = "Instance name.")]
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public string Instance { get; set; }
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[Option("pairs", Required = true, HelpText = "Comma-separated key=value pairs.")]
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public string Pairs { get; set; }
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}
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public static class AdvancedStringCommands
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{
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/// <summary>
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/// Executes the APPEND command to append a value to a key.
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/// </summary>
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/// <param name="opts">The AppendOptions containing instance, key, and value.</param>
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/// <param name="config">The RedisManager configuration.</param>
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/// <returns>Exit code (0 for success, non-zero for failure).</returns>
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public static int RunAppend(AppendOptions opts, Config config)
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{
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var instance = RedisUtils.GetInstance(config, opts.Instance);
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using var redis = RedisUtils.ConnectRedis(instance);
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var db = redis.GetDatabase();
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var len = db.StringAppend(opts.Key, opts.Value);
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Console.WriteLine(Output.Green(len.ToString()));
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return 0;
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}
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/// <summary>
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/// Executes the INCR command to increment the integer value of a key by one.
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/// </summary>
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/// <param name="opts">The IncrOptions containing instance and key.</param>
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/// <param name="config">The RedisManager configuration.</param>
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/// <returns>Exit code (0 for success, non-zero for failure).</returns>
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public static int RunIncr(IncrOptions opts, Config config)
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{
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var instance = RedisUtils.GetInstance(config, opts.Instance);
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using var redis = RedisUtils.ConnectRedis(instance);
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var db = redis.GetDatabase();
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var val = db.StringIncrement(opts.Key);
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Console.WriteLine(Output.Green(val.ToString()));
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return 0;
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}
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/// <summary>
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/// Executes the DECR command to decrement the integer value of a key by one.
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/// </summary>
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/// <param name="opts">The DecrOptions containing instance and key.</param>
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/// <param name="config">The RedisManager configuration.</param>
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/// <returns>Exit code (0 for success, non-zero for failure).</returns>
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public static int RunDecr(DecrOptions opts, Config config)
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{
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var instance = RedisUtils.GetInstance(config, opts.Instance);
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using var redis = RedisUtils.ConnectRedis(instance);
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var db = redis.GetDatabase();
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var val = db.StringDecrement(opts.Key);
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Console.WriteLine(Output.Green(val.ToString()));
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return 0;
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}
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/// <summary>
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/// Executes the INCRBY command to increment the integer value of a key by a given amount.
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/// </summary>
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/// <param name="opts">The IncrByOptions containing instance, key, and amount.</param>
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/// <param name="config">The RedisManager configuration.</param>
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/// <returns>Exit code (0 for success, non-zero for failure).</returns>
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public static int RunIncrBy(IncrByOptions opts, Config config)
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{
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var instance = RedisUtils.GetInstance(config, opts.Instance);
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using var redis = RedisUtils.ConnectRedis(instance);
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var db = redis.GetDatabase();
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var val = db.StringIncrement(opts.Key, opts.Amount);
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Console.WriteLine(Output.Green(val.ToString()));
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return 0;
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}
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/// <summary>
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/// Executes the DECRBY command to decrement the integer value of a key by a given amount.
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/// </summary>
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/// <param name="opts">The DecrByOptions containing instance, key, and amount.</param>
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/// <param name="config">The RedisManager configuration.</param>
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/// <returns>Exit code (0 for success, non-zero for failure).</returns>
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public static int RunDecrBy(DecrByOptions opts, Config config)
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{
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var instance = RedisUtils.GetInstance(config, opts.Instance);
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using var redis = RedisUtils.ConnectRedis(instance);
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var db = redis.GetDatabase();
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var val = db.StringDecrement(opts.Key, opts.Amount);
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Console.WriteLine(Output.Green(val.ToString()));
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return 0;
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}
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/// <summary>
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/// Executes the INCRBYFLOAT command to increment the float value of a key by a given amount.
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/// </summary>
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/// <param name="opts">The IncrByFloatOptions containing instance, key, and amount.</param>
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/// <param name="config">The RedisManager configuration.</param>
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/// <returns>Exit code (0 for success, non-zero for failure).</returns>
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public static int RunIncrByFloat(IncrByFloatOptions opts, Config config)
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{
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var instance = RedisUtils.GetInstance(config, opts.Instance);
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using var redis = RedisUtils.ConnectRedis(instance);
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var db = redis.GetDatabase();
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var val = db.StringIncrement(opts.Key, opts.Amount);
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Console.WriteLine(Output.Green(val.ToString()));
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return 0;
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}
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/// <summary>
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/// Executes the GETRANGE command to get a substring of the string stored at a key.
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/// </summary>
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/// <param name="opts">The GetRangeOptions containing instance, key, start, and end.</param>
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/// <param name="config">The RedisManager configuration.</param>
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/// <returns>Exit code (0 for success, non-zero for failure).</returns>
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public static int RunGetRange(GetRangeOptions opts, Config config)
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{
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var instance = RedisUtils.GetInstance(config, opts.Instance);
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using var redis = RedisUtils.ConnectRedis(instance);
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var db = redis.GetDatabase();
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var val = db.StringGetRange(opts.Key, opts.Start, opts.End);
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Console.WriteLine(Output.Green(val.ToString()));
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return 0;
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}
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/// <summary>
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/// Executes the SETRANGE command to overwrite part of a string at key starting at the specified offset.
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/// </summary>
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/// <param name="opts">The SetRangeOptions containing instance, key, offset, and value.</param>
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/// <param name="config">The RedisManager configuration.</param>
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/// <returns>Exit code (0 for success, non-zero for failure).</returns>
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public static int RunSetRange(SetRangeOptions opts, Config config)
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{
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var instance = RedisUtils.GetInstance(config, opts.Instance);
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using var redis = RedisUtils.ConnectRedis(instance);
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var db = redis.GetDatabase();
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var len = db.StringSetRange(opts.Key, opts.Offset, opts.Value);
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Console.WriteLine(Output.Green(len.ToString()));
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return 0;
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}
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/// <summary>
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/// Executes the STRLEN command to get the length of the value stored in a key.
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/// </summary>
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/// <param name="opts">The StrLenOptions containing instance and key.</param>
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/// <param name="config">The RedisManager configuration.</param>
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/// <returns>Exit code (0 for success, non-zero for failure).</returns>
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public static int RunStrLen(StrLenOptions opts, Config config)
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{
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var instance = RedisUtils.GetInstance(config, opts.Instance);
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using var redis = RedisUtils.ConnectRedis(instance);
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var db = redis.GetDatabase();
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var len = db.StringLength(opts.Key);
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Console.WriteLine(Output.Green(len.ToString()));
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return 0;
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}
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/// <summary>
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/// Executes the MGET command to get the values of all the given keys.
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/// </summary>
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/// <param name="opts">The MGetOptions containing instance and keys.</param>
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/// <param name="config">The RedisManager configuration.</param>
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/// <returns>Exit code (0 for success, non-zero for failure).</returns>
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public static int RunMGet(MGetOptions opts, Config config)
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{
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var instance = RedisUtils.GetInstance(config, opts.Instance);
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using var redis = RedisUtils.ConnectRedis(instance);
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var db = redis.GetDatabase();
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var keys = opts.Keys.Select(k => (RedisKey)k).ToArray();
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var vals = db.StringGet(keys);
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for (int i = 0; i < keys.Length; i++)
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{
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Console.WriteLine(Output.Green($"{keys[i]}: {vals[i]}"));
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}
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return 0;
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}
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/// <summary>
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/// Executes the MSET command to set multiple keys to multiple values.
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/// </summary>
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/// <param name="opts">The MSetOptions containing instance and pairs.</param>
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/// <param name="config">The RedisManager configuration.</param>
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/// <returns>Exit code (0 for success, non-zero for failure).</returns>
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public static int RunMSet(MSetOptions opts, Config config)
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{
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var instance = RedisUtils.GetInstance(config, opts.Instance);
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using var redis = RedisUtils.ConnectRedis(instance);
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var db = redis.GetDatabase();
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var pairs = opts.Pairs.Split(',').Select(p => p.Split('=', 2)).Where(p => p.Length == 2).Select(p => new KeyValuePair<RedisKey, RedisValue>(p[0].Trim(), p[1].Trim())).ToArray();
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db.StringSet(pairs);
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Console.WriteLine(Output.Green("OK"));
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return 0;
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}
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}
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}
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