Message Search

// Search for messages containing text
var results = await Client.SearchMessagesAsync(new StreamSearchMessagesRequest
{
  // Channel filter is required - here, channels the local user is a member of
  ChannelFilter = new IFieldFilterRule[]
  {
    ChannelFilter.Members.In("john"),
  },
  Query = "supercalifragilisticexpialidocious",
  Limit = 10,
});

foreach (var hit in results.Results)
{
  Debug.Log(hit.Message.Id); // Stateful IStreamMessage
  Debug.Log(hit.Message.Text);
  Debug.Log(hit.Message.User);
  Debug.Log(hit.Channel.Cid); // Stateful IStreamChannel (auto-watched by default)
}

// Search with message filters - mutually exclusive with Query
var filtered = await Client.SearchMessagesAsync(new StreamSearchMessagesRequest
{
  ChannelFilter = new IFieldFilterRule[]
  {
    ChannelFilter.Members.In("john"),
  },
  MessageFilter = new IFieldFilterRule[]
  {
    MessageFilter.Text.Autocomplete("super"),
    MessageFilter.AttachmentType.In("image", "video"),
  },
  Limit = 10,
  // Set to false for one-off search bars where you don't want every result
  // channel to start receiving realtime updates.
  WatchResultChannels = true,
});

var channelFilters = new IFieldFilterRule[]
{
  ChannelFilter.Cid.EqualsTo("messaging:my-channel"),
};
var messageFilters = new IFieldFilterRule[]
{
  MessageFilter.Text.Autocomplete("supercali"),
};

// First page with custom sorting
var page1 = await Client.SearchMessagesAsync(new StreamSearchMessagesRequest
{
  ChannelFilter = channelFilters,
  MessageFilter = messageFilters,
  Sort = MessagesSort
    .OrderByDescending(MessageSortFieldName.Relevance)
    .ThenByAscending(MessageSortFieldName.UpdatedAt),
  Limit = 10,
});

// Next page using the cursor returned by the previous response
var page2 = await Client.SearchMessagesAsync(new StreamSearchMessagesRequest
{
  ChannelFilter = channelFilters,
  MessageFilter = messageFilters,
  Limit = 10,
  Next = page1.Next,
});

// Previous page
var page1Again = await Client.SearchMessagesAsync(new StreamSearchMessagesRequest
{
  ChannelFilter = channelFilters,
  MessageFilter = messageFilters,
  Limit = 10,
  Next = page2.Previous,
});