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https://github.com/GetStream/stream-chat-net

Stream Chat official .NET API Client
https://github.com/GetStream/stream-chat-net

chat chat-api csharp rest

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Stream Chat official .NET API Client

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README 

        
# Official .NET SDK for [Stream Chat](https://getstream.io/chat/)



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    Official .NET API client for Stream Chat, a service for building chat applications.

    


    Explore the docs »

    


    


    Code Samples

    ·

    Report Bug

    ·

    Request Feature




## 📝 About Stream



You can sign up for a Stream account at our [Get Started](https://getstream.io/chat/get_started/) page.



You can use this library to access chat API endpoints server-side.



For the client-side integrations (web and mobile) have a look at the JavaScript, iOS and Android SDK libraries ([docs](https://getstream.io/chat/)).



---

> ## 🚨 Breaking changes in v1.0 <

> The library received many changes in v1.0 to make it easier to use and more maintanable in the future.

> The main change is that both [`Channel`](https://github.com/GetStream/stream-chat-net/blob/0.26.0/src/stream-chat-net/Channel.cs) and [`Client`](https://github.com/GetStream/stream-chat-net/blob/0.26.0/src/stream-chat-net/Client.cs) classes have been separated into small modules that we call clients. (This resambles the [structure of our Java library](https://github.com/GetStream/stream-chat-java/tree/1.5.0/src/main/java/io/getstream/chat/java/services) as well.)

> Main changes:

> - `Channel` and `Client` classes are gone, and have been organized into smaller clients in `StreamChat.Clients` namespace.

> - These clients do not maintain state as `Channel` used to did earlier where [it kept the `channelType` and `channelId` in the memory](https://github.com/GetStream/stream-chat-net/blob/0.26.0/src/stream-chat-net/Channel.cs#L34-#L35). So this means that you'll need to pass in `channelType` and `channelId` to a lot of method calls in `IChannelClient`.

> - Async method names have `Async` suffix now.

> - All public methods and classes have documentation.

> - Identifiers has been renamed from `ID` to `Id` to follow [Microsoft's naming guide](https://docs.microsoft.com/en-us/dotnet/standard/design-guidelines/capitalization-conventions). Such as `userID` -> `userId`.

> - A lot of data classes have been renamed to make more sense. Such as `ChannelObject` -> `Channel`.

> - Data classes have been moved to `StreamChat.Models` namespace.

> - Full feature parity: all backend APIs are available.

> - Returned values are type of `ApiResponse` and expose rate limit informaiton with `GetRateLimit()` method.

> - The folder structure of the project has been reorganized to follow [Microsoft's recommendation](https://gist.github.com/davidfowl/ed7564297c61fe9ab814).

> - Unit tests have been improved. They are smaller, more focused and have cleanup methods.

> - Added .NET 6.0 support.

>

> The proper usage of the library:

> ```csharp

> var clientFactory = new StreamClientFactory("YourApiKey", "YourApiSecret");

> // Note: all client instances can be used as a singleton for the lifetime

> // of your application as they don't maintain state.

> var userClient = clientFactory.GetUserClient();

> var channelClient = clientFactory.GetChannelClient();

> var messageClient = clientFactory.GetMessageClient();

> var reactionClient = clientFactory.GetReactionClient();

>

> var jamesBond = await userClient.UpsertAsync(new UserRequest { Id = "james_bond" });

> var agentM = await userClient.UpsertAsync(new UserRequest { Id = "agent_m" });

>

> var channel = await channelClient.GetOrCreateAsync("messaging", "superHeroChannel", createdBy: jamesBond.Id);

> await channelClient.AddMembersAsync(channel.Type, channel.Id, jamesBond.Id, agentM.Id);

>

> var message = await messageClient.SendMessageAsync(channel.Type, channel.Id, jamesBond.Id, "I need a new quest Agent M.");

> await reactionClient.SendReactionAsync(message.Id, "like", agentM.Id);

> ```



---



## ⚙️ Installation



```bash

$ dotnet add package stream-chat-net

```



> 💡 Tip: you can find code samples in the [samples](./samples) folder.



## ✨ Getting started



### Import



```c#

using StreamChat.Clients;

```



### Initialize client



```c#

// Client factory instantiation.

var clientFactory = new StreamClientFactory("YourApiKey", "YourApiSecret");



// Or you can configure some options such as custom HttpClient, HTTP timeouts etc.

var clientFactory = new StreamClientFactory("YourApiKey", "YourApiSecret", opts => opts.Timeout = TimeSpan.FromSeconds(5));



// Get clients from client factory. Note: all clients can be used as a singleton in your application.

var channelClient = clientFactory.GetChannelClient();

var messageClient = clientFactory.GetMessageClient();

```



### Generate a token for client-side usage



```c#

var userClient = clientFactory.GetUserClient();



// Without expiration

var token = userClient.CreateToken("bob-1");



// With expiration

var token = userClient.CreateToken("bob-1", expiration: DateTimeOffset.UtcNow.AddHours(1));

```



### Create/Update users



```c#

var userClient = clientFactory.GetUserClient();



var bob = new UserRequest

{

    Id = "bob-1",

    Role = Role.Admin,

    Teams = new[] { "red", "blue" } // if multi-tenant enabled

};

bob.SetData("age", 27);



await userClient.UpsertAsync(bob);



// Batch update is also supported

var jane = new UserRequest { Id = "jane"};

var june = new UserRequest { Id = "june"};

var users = await userClient.UpsertManyAsync(new[] { bob, jane, june });

```



### GDPR-like User endpoints



```c#

var userClient = clientFactory.GetUserClient();



await userClient.ExportAsync("bob-1");

await userClient.DeactivateAsync("bob-1");

await userClient.ReactivateAsync("bob-1");

await userClient.DeleteAsync("bob-1");

```



### Channel types



```c#

var channelTypeClient = clientFactory.GetChannelTypeClient();



var chanTypeConf = new ChannelTypeWithStringCommands

{

    Name = "livechat",

    Automod = Automod.Disabled,

    Commands = new List { Commands.Ban },

    Mutes = true

};

var chanType = await channelTypeClient.CreateChannelTypeAsync(chanTypeConf);



var allChanTypes = await channelTypeClient.ListChannelTypesAsync();

```



### Channels



```c#

var channelClient = clientFactory.GetChannelClient();



// Create a channel with members from the start, Bob is the creator

var channel = channelClient.GetOrCreateAsync("messaging", "bob-and-jane", bob.Id, bob.Id, jane.Id);



// Create channel and then add members, Mike is the creator

var channel = channelClient.GetOrCreateAsync("messaging", "bob-and-jane", mike.Id);

channelClient.AddMembersAsync(channel.Type, channel.Id, bob.Id, jane.Id, joe.Id);

```

### Messaging

```c#

var messageClient = clientFactory.GetMessageClient();



// Only text

messageClient.SendMessageAsync(channel.Type, channel.Id, bob.Id, "Hey, I'm Bob!");



// With custom data

var msgReq = new MessageRequest { Text = "Hi june!" };

msgReq.SetData("location", "amsterdam");



var bobMessageResp = await messageClient.SendMessageAsync(channelType, channel.Id, msgReq, bob.Id);



// Threads

var juneReply = new MessageRequest { Text = "Long time no see!" };

var juneReplyMessage = await messageClient.SendMessageToThreadAsync(channel.Type, channel.Id, juneReply, june.Id, bobMessageResp.Message.Id)

```



### Reactions

```c#

var reactionClient = clientFactory.GetReactionClient();



await reactionClient.SendReactionAsync(message.Id, "like", bob.Id);



var allReactions = await reactionClient.GetReactionsAsync(message.Id);

```



### Moderation

```c#

var channelClient = clientFactory.GetChannelClient();

var userClient = clientFactory.GetUserClient();

var flagClient = clientFactory.GetFlagClient();



await channelClient.AddModeratorsAsync(channel.Type, channel.Id, new[] { jane.Id });



await userClient.BanAsync(new BanRequest

{

    Type = channel.Type,

    Id = channel.Id,

    Reason = "reason",

    TargetUserId = bob.Id,

    UserId = jane.Id

});



await flagClient.FlagUserAsync(bob.Id, jane.Id);

```

### Permissions

```c#

var permissionClient = clientFactory.GetPermissionClient();



await permissionClient.CreateRoleAsync("channel-boss");



// Assign users to roles (optional message)

await channelClient.AssignRolesAsync(new AssignRoleRequest

{

    AssignRoles = new List

    {

        new RoleAssignment { UserId = bob.ID, ChannelRole = Role.ChannelModerator },

        new RoleAssignment { UserId = june.ID, ChannelRole = "channel-boss" }

    },

    Message = new MessageRequest { Text = "Bob and June just became mods", User = bob }

});

```



### Devices



```c#

var deviceClient = clientFactory.GetDeviceClient();



var junePhone = new Device

{

    ID = "iOS Device Token",

    PushProvider = PushProvider.APN,

    UserId = june.ID

};



await deviceClient.AddDeviceAsync(junePhone);



var devices = await deviceClient.GetDevicesAsync(june.Id);

```



### Export Channels



```c#

var channelClient = clientFactory.GetChannelClient();

var taskClient = clientFactory.GetTaskClient();



var taskResponse = channelClient.ExportChannelAsync(new ExportChannelRequest { Id = channel.Id, Type = channel.Type });



// Wait for the completion

var complete = false;

var iterations = 0;

AsyncTaskStatusResponse resp = null;

while (!complete && iterations < 1000)

{

    resp = await taskClient.GetTaskStatusAsync(taskResponse.TaskId);

    if (resp.Status == AsyncTaskStatus.Completed)

    {

        complete = true;

        break;

    }

    iterations++;

    await Task.Delay(100);

}



if (complete)

{

    Console.WriteLine(resp.Result["url"]);

}

```



## ✍️ Contributing



We welcome code changes that improve this library or fix a problem, please make sure to follow all best practices and add tests if applicable before submitting a Pull Request on Github. We are very happy to merge your code in the official repository. Make sure to sign our [Contributor License Agreement (CLA)](https://docs.google.com/forms/d/e/1FAIpQLScFKsKkAJI7mhCr7K9rEIOpqIDThrWxuvxnwUq2XkHyG154vQ/viewform) first. See our [license file](./LICENSE) for more details.



Head over to [CONTRIBUTING.md](./CONTRIBUTING.md) for some development tips.



## 🧑‍💻 We are hiring!



We've recently closed a [$38 million Series B funding round](https://techcrunch.com/2021/03/04/stream-raises-38m-as-its-chat-and-activity-feed-apis-power-communications-for-1b-users/) and we keep actively growing.

Our APIs are used by more than a billion end-users, and you'll have a chance to make a huge impact on the product within a team of the strongest engineers all over the world.



Check out our current openings and apply via [Stream's website](https://getstream.io/team/#jobs).