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<article data-uid="EchoHub.Server.Services.ChannelService">
<h1 id="EchoHub_Server_Services_ChannelService" data-uid="EchoHub.Server.Services.ChannelService" class="text-break">
Class ChannelService <a class="header-action link-secondary" title="View source" href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Server/Services/ChannelService.cs"><i class="bi bi-code-slash"></i></a>
</h1>
<div class="facts text-secondary">
<dl><dt>Namespace</dt><dd><a class="xref" href="EchoHub.html">EchoHub</a>.<a class="xref" href="EchoHub.Server.html">Server</a>.<a class="xref" href="EchoHub.Server.Services.html">Services</a></dd></dl>
<dl><dt>Assembly</dt><dd>EchoHub.Server.dll</dd></dl>
</div>
<div class="markdown summary"></div>
<div class="markdown conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public class ChannelService : IChannelService</code></pre>
</div>
<dl class="typelist inheritance">
<dt>Inheritance</dt>
<dd>
<div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></div>
<div><span class="xref">ChannelService</span></div>
</dd>
</dl>
<dl class="typelist implements">
<dt>Implements</dt>
<dd>
<div><a class="xref" href="../core/EchoHub.Core.Contracts.IChannelService.html">IChannelService</a></div>
</dd>
</dl>
<dl class="typelist inheritedMembers">
<dt>Inherited Members</dt>
<dd>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.gettype">object.GetType()</a>
</div>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.memberwiseclone">object.MemberwiseClone()</a>
</div>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.tostring">object.ToString()</a>
</div>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.equals#system-object-equals(system-object)">object.Equals(object)</a>
</div>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.equals#system-object-equals(system-object-system-object)">object.Equals(object, object)</a>
</div>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.referenceequals">object.ReferenceEquals(object, object)</a>
</div>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.gethashcode">object.GetHashCode()</a>
</div>
</dd></dl>
<h2 class="section" id="constructors">Constructors
</h2>
<a id="EchoHub_Server_Services_ChannelService__ctor_" data-uid="EchoHub.Server.Services.ChannelService.#ctor*"></a>
<h3 id="EchoHub_Server_Services_ChannelService__ctor_Microsoft_Extensions_DependencyInjection_IServiceScopeFactory_EchoHub_Server_Services_PresenceTracker_EchoHub_Server_Services_SpamGuard_EchoHub_Server_Services_ServerLogs_ServerLogsService_Microsoft_Extensions_Logging_ILogger_EchoHub_Server_Services_ChannelService__" data-uid="EchoHub.Server.Services.ChannelService.#ctor(Microsoft.Extensions.DependencyInjection.IServiceScopeFactory,EchoHub.Server.Services.PresenceTracker,EchoHub.Server.Services.SpamGuard,EchoHub.Server.Services.ServerLogs.ServerLogsService,Microsoft.Extensions.Logging.ILogger{EchoHub.Server.Services.ChannelService})">
ChannelService(IServiceScopeFactory, PresenceTracker, SpamGuard, ServerLogsService, ILogger&lt;ChannelService&gt;)
<a class="header-action link-secondary" title="View source" href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Server/Services/ChannelService.cs"><i class="bi bi-code-slash"></i></a>
</h3>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public ChannelService(IServiceScopeFactory scopeFactory, PresenceTracker presenceTracker, SpamGuard spamGuard, ServerLogsService serverLogs, ILogger&lt;ChannelService&gt; logger)</code></pre>
</div>
<h4 class="section">Parameters</h4>
<dl class="parameters">
<dt><code>scopeFactory</code> <span class="xref">IServiceScopeFactory</span></dt>
<dd></dd>
<dt><code>presenceTracker</code> <a class="xref" href="EchoHub.Server.Services.PresenceTracker.html">PresenceTracker</a></dt>
<dd></dd>
<dt><code>spamGuard</code> <a class="xref" href="EchoHub.Server.Services.SpamGuard.html">SpamGuard</a></dt>
<dd></dd>
<dt><code>serverLogs</code> <a class="xref" href="EchoHub.Server.Services.ServerLogs.ServerLogsService.html">ServerLogsService</a></dt>
<dd></dd>
<dt><code>logger</code> <span class="xref">ILogger</span>&lt;<a class="xref" href="EchoHub.Server.Services.ChannelService.html">ChannelService</a>&gt;</dt>
<dd></dd>
</dl>
<h2 class="section" id="methods">Methods
</h2>
<a id="EchoHub_Server_Services_ChannelService_CreateChannelAsync_" data-uid="EchoHub.Server.Services.ChannelService.CreateChannelAsync*"></a>
<h3 id="EchoHub_Server_Services_ChannelService_CreateChannelAsync_System_Guid_System_String_System_String_System_Boolean_System_String_System_String_System_String_" data-uid="EchoHub.Server.Services.ChannelService.CreateChannelAsync(System.Guid,System.String,System.String,System.Boolean,System.String,System.String,System.String)">
CreateChannelAsync(Guid, string, string?, bool, string?, string?, string?)
<a class="header-action link-secondary" title="View source" href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Server/Services/ChannelService.cs"><i class="bi bi-code-slash"></i></a>
</h3>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public Task&lt;ChannelOperationResult&gt; CreateChannelAsync(Guid creatorUserId, string name, string? topic, bool isPublic, string? password = null, string? encryptionSalt = null, string? wrappedRoomKey = null)</code></pre>
</div>
<h4 class="section">Parameters</h4>
<dl class="parameters">
<dt><code>creatorUserId</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.guid">Guid</a></dt>
<dd></dd>
<dt><code>name</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd></dd>
<dt><code>topic</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd></dd>
<dt><code>isPublic</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></dt>
<dd></dd>
<dt><code>password</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd></dd>
<dt><code>encryptionSalt</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd></dd>
<dt><code>wrappedRoomKey</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd></dd>
</dl>
<h4 class="section">Returns</h4>
<dl class="parameters">
<dt><span class="xref">Task</span>&lt;<a class="xref" href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Core/DTOs/CommonDtos.cs">ChannelOperationResult</a>&gt;</dt>
<dd></dd>
</dl>
<a id="EchoHub_Server_Services_ChannelService_DeleteChannelAsync_" data-uid="EchoHub.Server.Services.ChannelService.DeleteChannelAsync*"></a>
<h3 id="EchoHub_Server_Services_ChannelService_DeleteChannelAsync_System_Guid_System_String_" data-uid="EchoHub.Server.Services.ChannelService.DeleteChannelAsync(System.Guid,System.String)">
DeleteChannelAsync(Guid, string)
<a class="header-action link-secondary" title="View source" href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Server/Services/ChannelService.cs"><i class="bi bi-code-slash"></i></a>
</h3>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public Task&lt;ChannelOperationResult&gt; DeleteChannelAsync(Guid callerUserId, string channelName)</code></pre>
</div>
<h4 class="section">Parameters</h4>
<dl class="parameters">
<dt><code>callerUserId</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.guid">Guid</a></dt>
<dd></dd>
<dt><code>channelName</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd></dd>
</dl>
<h4 class="section">Returns</h4>
<dl class="parameters">
<dt><span class="xref">Task</span>&lt;<a class="xref" href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Core/DTOs/CommonDtos.cs">ChannelOperationResult</a>&gt;</dt>
<dd></dd>
</dl>
<a id="EchoHub_Server_Services_ChannelService_EnsureChannelMembershipAsync_" data-uid="EchoHub.Server.Services.ChannelService.EnsureChannelMembershipAsync*"></a>
<h3 id="EchoHub_Server_Services_ChannelService_EnsureChannelMembershipAsync_System_Guid_System_String_System_String_" data-uid="EchoHub.Server.Services.ChannelService.EnsureChannelMembershipAsync(System.Guid,System.String,System.String)">
EnsureChannelMembershipAsync(Guid, string, string?)
<a class="header-action link-secondary" title="View source" href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Server/Services/ChannelService.cs"><i class="bi bi-code-slash"></i></a>
</h3>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public Task&lt;(bool Success, string? Error, bool PasswordRequired)&gt; EnsureChannelMembershipAsync(Guid userId, string channelName, string? password = null)</code></pre>
</div>
<h4 class="section">Parameters</h4>
<dl class="parameters">
<dt><code>userId</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.guid">Guid</a></dt>
<dd></dd>
<dt><code>channelName</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd></dd>
<dt><code>password</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd></dd>
</dl>
<h4 class="section">Returns</h4>
<dl class="parameters">
<dt><span class="xref">Task</span>&lt;(<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.valuetuple-system.boolean,system.string,system.boolean-.success">Success</a>, <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.valuetuple-system.boolean,system.string,system.boolean-.error">Error</a>, <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.valuetuple-system.boolean,system.string,system.boolean-.passwordrequired">PasswordRequired</a>)&gt;</dt>
<dd></dd>
</dl>
<a id="EchoHub_Server_Services_ChannelService_EnsureSystemChannelAsync_" data-uid="EchoHub.Server.Services.ChannelService.EnsureSystemChannelAsync*"></a>
<h3 id="EchoHub_Server_Services_ChannelService_EnsureSystemChannelAsync_System_String_System_String_" data-uid="EchoHub.Server.Services.ChannelService.EnsureSystemChannelAsync(System.String,System.String)">
EnsureSystemChannelAsync(string, string?)
<a class="header-action link-secondary" title="View source" href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Server/Services/ChannelService.cs"><i class="bi bi-code-slash"></i></a>
</h3>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public Task&lt;ChannelDto&gt; EnsureSystemChannelAsync(string channelName, string? topic = null)</code></pre>
</div>
<h4 class="section">Parameters</h4>
<dl class="parameters">
<dt><code>channelName</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd></dd>
<dt><code>topic</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd></dd>
</dl>
<h4 class="section">Returns</h4>
<dl class="parameters">
<dt><span class="xref">Task</span>&lt;<a class="xref" href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Core/DTOs/ChatDtos.cs">ChannelDto</a>&gt;</dt>
<dd></dd>
</dl>
<a id="EchoHub_Server_Services_ChannelService_GetChannelByNameAsync_" data-uid="EchoHub.Server.Services.ChannelService.GetChannelByNameAsync*"></a>
<h3 id="EchoHub_Server_Services_ChannelService_GetChannelByNameAsync_System_String_" data-uid="EchoHub.Server.Services.ChannelService.GetChannelByNameAsync(System.String)">
GetChannelByNameAsync(string)
<a class="header-action link-secondary" title="View source" href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Server/Services/ChannelService.cs"><i class="bi bi-code-slash"></i></a>
</h3>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public Task&lt;ChannelDto?&gt; GetChannelByNameAsync(string channelName)</code></pre>
</div>
<h4 class="section">Parameters</h4>
<dl class="parameters">
<dt><code>channelName</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd></dd>
</dl>
<h4 class="section">Returns</h4>
<dl class="parameters">
<dt><span class="xref">Task</span>&lt;<a class="xref" href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Core/DTOs/ChatDtos.cs">ChannelDto</a>&gt;</dt>
<dd></dd>
</dl>
<a id="EchoHub_Server_Services_ChannelService_GetChannelCryptoAsync_" data-uid="EchoHub.Server.Services.ChannelService.GetChannelCryptoAsync*"></a>
<h3 id="EchoHub_Server_Services_ChannelService_GetChannelCryptoAsync_System_String_" data-uid="EchoHub.Server.Services.ChannelService.GetChannelCryptoAsync(System.String)">
GetChannelCryptoAsync(string)
<a class="header-action link-secondary" title="View source" href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Server/Services/ChannelService.cs"><i class="bi bi-code-slash"></i></a>
</h3>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public Task&lt;ChannelCryptoDto?&gt; GetChannelCryptoAsync(string channelName)</code></pre>
</div>
<h4 class="section">Parameters</h4>
<dl class="parameters">
<dt><code>channelName</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd></dd>
</dl>
<h4 class="section">Returns</h4>
<dl class="parameters">
<dt><span class="xref">Task</span>&lt;<a class="xref" href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Core/DTOs/ChatDtos.cs">ChannelCryptoDto</a>&gt;</dt>
<dd></dd>
</dl>
<a id="EchoHub_Server_Services_ChannelService_GetChannelKeyEnvelopeAsync_" data-uid="EchoHub.Server.Services.ChannelService.GetChannelKeyEnvelopeAsync*"></a>
<h3 id="EchoHub_Server_Services_ChannelService_GetChannelKeyEnvelopeAsync_System_String_" data-uid="EchoHub.Server.Services.ChannelService.GetChannelKeyEnvelopeAsync(System.String)">
GetChannelKeyEnvelopeAsync(string)
<a class="header-action link-secondary" title="View source" href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Server/Services/ChannelService.cs"><i class="bi bi-code-slash"></i></a>
</h3>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public Task&lt;(string? EncryptionSalt, string? WrappedRoomKey)&gt; GetChannelKeyEnvelopeAsync(string channelName)</code></pre>
</div>
<h4 class="section">Parameters</h4>
<dl class="parameters">
<dt><code>channelName</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd></dd>
</dl>
<h4 class="section">Returns</h4>
<dl class="parameters">
<dt><span class="xref">Task</span>&lt;(<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.valuetuple-system.string,system.string-.encryptionsalt">EncryptionSalt</a>, <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.valuetuple-system.string,system.string-.wrappedroomkey">WrappedRoomKey</a>)&gt;</dt>
<dd></dd>
</dl>
<a id="EchoHub_Server_Services_ChannelService_GetChannelListAsync_" data-uid="EchoHub.Server.Services.ChannelService.GetChannelListAsync*"></a>
<h3 id="EchoHub_Server_Services_ChannelService_GetChannelListAsync" data-uid="EchoHub.Server.Services.ChannelService.GetChannelListAsync">
GetChannelListAsync()
<a class="header-action link-secondary" title="View source" href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Server/Services/ChannelService.cs"><i class="bi bi-code-slash"></i></a>
</h3>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public Task&lt;List&lt;ChannelListItem&gt;&gt; GetChannelListAsync()</code></pre>
</div>
<h4 class="section">Returns</h4>
<dl class="parameters">
<dt><span class="xref">Task</span>&lt;<span class="xref">List</span>&lt;<a class="xref" href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Core/Contracts/IChannelService.cs">ChannelListItem</a>&gt;&gt;</dt>
<dd></dd>
</dl>
<a id="EchoHub_Server_Services_ChannelService_GetChannelMetaAsync_" data-uid="EchoHub.Server.Services.ChannelService.GetChannelMetaAsync*"></a>
<h3 id="EchoHub_Server_Services_ChannelService_GetChannelMetaAsync_System_String_" data-uid="EchoHub.Server.Services.ChannelService.GetChannelMetaAsync(System.String)">
GetChannelMetaAsync(string)
<a class="header-action link-secondary" title="View source" href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Server/Services/ChannelService.cs"><i class="bi bi-code-slash"></i></a>
</h3>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public Task&lt;ChannelMetaDto?&gt; GetChannelMetaAsync(string channelName)</code></pre>
</div>
<h4 class="section">Parameters</h4>
<dl class="parameters">
<dt><code>channelName</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd></dd>
</dl>
<h4 class="section">Returns</h4>
<dl class="parameters">
<dt><span class="xref">Task</span>&lt;<a class="xref" href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Core/DTOs/ChatDtos.cs">ChannelMetaDto</a>&gt;</dt>
<dd></dd>
</dl>
<a id="EchoHub_Server_Services_ChannelService_GetChannelTopicAsync_" data-uid="EchoHub.Server.Services.ChannelService.GetChannelTopicAsync*"></a>
<h3 id="EchoHub_Server_Services_ChannelService_GetChannelTopicAsync_System_String_" data-uid="EchoHub.Server.Services.ChannelService.GetChannelTopicAsync(System.String)">
GetChannelTopicAsync(string)
<a class="header-action link-secondary" title="View source" href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Server/Services/ChannelService.cs"><i class="bi bi-code-slash"></i></a>
</h3>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public Task&lt;(string? Topic, bool Exists)&gt; GetChannelTopicAsync(string channelName)</code></pre>
</div>
<h4 class="section">Parameters</h4>
<dl class="parameters">
<dt><code>channelName</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd></dd>
</dl>
<h4 class="section">Returns</h4>
<dl class="parameters">
<dt><span class="xref">Task</span>&lt;(<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.valuetuple-system.string,system.boolean-.topic">Topic</a>, <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.valuetuple-system.string,system.boolean-.exists">Exists</a>)&gt;</dt>
<dd></dd>
</dl>
<a id="EchoHub_Server_Services_ChannelService_GetChannelsAsync_" data-uid="EchoHub.Server.Services.ChannelService.GetChannelsAsync*"></a>
<h3 id="EchoHub_Server_Services_ChannelService_GetChannelsAsync_System_Guid_System_Int32_System_Int32_" data-uid="EchoHub.Server.Services.ChannelService.GetChannelsAsync(System.Guid,System.Int32,System.Int32)">
GetChannelsAsync(Guid, int, int)
<a class="header-action link-secondary" title="View source" href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Server/Services/ChannelService.cs"><i class="bi bi-code-slash"></i></a>
</h3>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public Task&lt;PaginatedResponse&lt;ChannelDto&gt;&gt; GetChannelsAsync(Guid userId, int offset, int limit)</code></pre>
</div>
<h4 class="section">Parameters</h4>
<dl class="parameters">
<dt><code>userId</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.guid">Guid</a></dt>
<dd></dd>
<dt><code>offset</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></dt>
<dd></dd>
<dt><code>limit</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></dt>
<dd></dd>
</dl>
<h4 class="section">Returns</h4>
<dl class="parameters">
<dt><span class="xref">Task</span>&lt;<a class="xref" href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Core/DTOs/CommonDtos.cs">PaginatedResponse</a>&lt;<a class="xref" href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Core/DTOs/ChatDtos.cs">ChannelDto</a>&gt;&gt;</dt>
<dd></dd>
</dl>
<a id="EchoHub_Server_Services_ChannelService_RekeyChannelAsync_" data-uid="EchoHub.Server.Services.ChannelService.RekeyChannelAsync*"></a>
<h3 id="EchoHub_Server_Services_ChannelService_RekeyChannelAsync_System_Guid_System_String_System_String_System_String_System_String_System_String_" data-uid="EchoHub.Server.Services.ChannelService.RekeyChannelAsync(System.Guid,System.String,System.String,System.String,System.String,System.String)">
RekeyChannelAsync(Guid, string, string, string, string, string)
<a class="header-action link-secondary" title="View source" href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Server/Services/ChannelService.cs"><i class="bi bi-code-slash"></i></a>
</h3>
<div class="markdown level1 summary"><p>Changes an encrypted channel's passphrase by swapping the join-gate hash and the
wrapped room key. The room content key itself never changes, so history stays
readable — the client re-wraps it under the new passphrase-derived key.
Creator only: admins cannot rekey a room whose passphrase they don't know.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public Task&lt;ChannelOperationResult&gt; RekeyChannelAsync(Guid callerUserId, string channelName, string oldPassword, string newPassword, string newEncryptionSalt, string newWrappedRoomKey)</code></pre>
</div>
<h4 class="section">Parameters</h4>
<dl class="parameters">
<dt><code>callerUserId</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.guid">Guid</a></dt>
<dd></dd>
<dt><code>channelName</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd></dd>
<dt><code>oldPassword</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd></dd>
<dt><code>newPassword</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd></dd>
<dt><code>newEncryptionSalt</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd></dd>
<dt><code>newWrappedRoomKey</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd></dd>
</dl>
<h4 class="section">Returns</h4>
<dl class="parameters">
<dt><span class="xref">Task</span>&lt;<a class="xref" href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Core/DTOs/CommonDtos.cs">ChannelOperationResult</a>&gt;</dt>
<dd></dd>
</dl>
<a id="EchoHub_Server_Services_ChannelService_SetChannelPasswordAsync_" data-uid="EchoHub.Server.Services.ChannelService.SetChannelPasswordAsync*"></a>
<h3 id="EchoHub_Server_Services_ChannelService_SetChannelPasswordAsync_System_Guid_System_String_System_String_" data-uid="EchoHub.Server.Services.ChannelService.SetChannelPasswordAsync(System.Guid,System.String,System.String)">
SetChannelPasswordAsync(Guid, string, string?)
<a class="header-action link-secondary" title="View source" href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Server/Services/ChannelService.cs"><i class="bi bi-code-slash"></i></a>
</h3>
<div class="markdown level1 summary"><p>Sets, changes, or clears (null) a channel's join password. Creator or admin only.
Not available on end-to-end encrypted channels — those change passphrase via
<a class="xref" href="EchoHub.Server.Services.ChannelService.html#EchoHub_Server_Services_ChannelService_RekeyChannelAsync_System_Guid_System_String_System_String_System_String_System_String_System_String_">RekeyChannelAsync(Guid, string, string, string, string, string)</a> so the room key envelope stays consistent.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public Task&lt;ChannelOperationResult&gt; SetChannelPasswordAsync(Guid callerUserId, string channelName, string? password)</code></pre>
</div>
<h4 class="section">Parameters</h4>
<dl class="parameters">
<dt><code>callerUserId</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.guid">Guid</a></dt>
<dd></dd>
<dt><code>channelName</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd></dd>
<dt><code>password</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd></dd>
</dl>
<h4 class="section">Returns</h4>
<dl class="parameters">
<dt><span class="xref">Task</span>&lt;<a class="xref" href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Core/DTOs/CommonDtos.cs">ChannelOperationResult</a>&gt;</dt>
<dd></dd>
</dl>
<a id="EchoHub_Server_Services_ChannelService_UpdateTopicAsync_" data-uid="EchoHub.Server.Services.ChannelService.UpdateTopicAsync*"></a>
<h3 id="EchoHub_Server_Services_ChannelService_UpdateTopicAsync_System_Guid_System_String_System_String_" data-uid="EchoHub.Server.Services.ChannelService.UpdateTopicAsync(System.Guid,System.String,System.String)">
UpdateTopicAsync(Guid, string, string?)
<a class="header-action link-secondary" title="View source" href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Server/Services/ChannelService.cs"><i class="bi bi-code-slash"></i></a>
</h3>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public Task&lt;ChannelOperationResult&gt; UpdateTopicAsync(Guid callerUserId, string channelName, string? topic)</code></pre>
</div>
<h4 class="section">Parameters</h4>
<dl class="parameters">
<dt><code>callerUserId</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.guid">Guid</a></dt>
<dd></dd>
<dt><code>channelName</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd></dd>
<dt><code>topic</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
<dd></dd>
</dl>
<h4 class="section">Returns</h4>
<dl class="parameters">
<dt><span class="xref">Task</span>&lt;<a class="xref" href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Core/DTOs/CommonDtos.cs">ChannelOperationResult</a>&gt;</dt>
<dd></dd>
</dl>
</article>
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<a href="https://github.com/HueByte/EchoHub/blob/master/src/EchoHub.Server/Services/ChannelService.cs" class="edit-link">Edit this page</a>
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