protected virtual async Task OnTeamsMembersAddedDispatchAsync(IList <ChannelAccount> membersAdded, TeamInfo teamInfo, ITurnContext <IConversationUpdateActivity> turnContext, CancellationToken cancellationToken)
{
IDictionary <string, TeamsChannelAccount> teamMembers = null;
var teamsMembersAdded = new List <TeamsChannelAccount>();
foreach (var memberAdded in membersAdded)
{
if (memberAdded.Properties.HasValues)
{
// when the ChannelAccount object is fully a TeamsChannelAccount (when Teams changes the service to return the full details)
teamsMembersAdded.Add(JObject.FromObject(memberAdded).ToObject <TeamsChannelAccount>());
}
else
{
// TODO: this code path is intended to be temporary and should be removed in 4.7/4.8 or whenever Teams is updated
// we have a simple ChannelAccount so will try to flesh out the details using the GetMembersAsync call
if (teamMembers == null)
{
var result = await TeamsInfo.GetMembersAsync(turnContext, cancellationToken).ConfigureAwait(false);
teamMembers = result.ToDictionary(teamsChannelAccount => teamsChannelAccount.Id, teamsChannelAccount => teamsChannelAccount);
}
if (teamMembers.TryGetValue(memberAdded.Id, out var value))
{
teamsMembersAdded.Add(value);
}
else
{
// unable to find the member added in ConversationUpdate Activity in the response from the GetMembersAsync call
var newTeamsChannelAccount = new TeamsChannelAccount
{
Id = memberAdded.Id,
Name = memberAdded.Name,
AadObjectId = memberAdded.AadObjectId,
Role = memberAdded.Role
};
teamsMembersAdded.Add(newTeamsChannelAccount);
}
}
}
await OnTeamsMembersAddedAsync(teamsMembersAdded, teamInfo, turnContext, cancellationToken).ConfigureAwait(false);
}
/// <summary>
/// Override this in a derived class to provide logic for when members other than the bot
/// join the channel, such as your bot's welcome logic.
/// UseIt will get the associated members with the provided accounts.
/// </summary>
/// <param name="membersAdded">A list of all the accounts added to the channel, as
/// described by the conversation update activity.</param>
/// <param name="teamInfo">The team info object representing the team.</param>
/// <param name="turnContext">A strongly-typed context object for this turn.</param>
/// <param name="cancellationToken">A cancellation token that can be used by other objects
/// or threads to receive notice of cancellation.</param>
/// <returns>A task that represents the work queued to execute.</returns>
protected virtual async Task OnTeamsMembersAddedDispatchAsync(IList <ChannelAccount> membersAdded, TeamInfo teamInfo, ITurnContext <IConversationUpdateActivity> turnContext, CancellationToken cancellationToken)
{
var teamsMembersAdded = new List <TeamsChannelAccount>();
foreach (var memberAdded in membersAdded)
{
if (memberAdded.Properties.HasValues || memberAdded.Id == turnContext.Activity?.Recipient?.Id)
{
// when the ChannelAccount object is fully a TeamsChannelAccount, or the bot (when Teams changes the service to return the full details)
teamsMembersAdded.Add(JObject.FromObject(memberAdded).ToObject <TeamsChannelAccount>());
}
else
{
TeamsChannelAccount newMemberInfo = null;
try
{
newMemberInfo = await TeamsInfo.GetMemberAsync(turnContext, memberAdded.Id, cancellationToken).ConfigureAwait(false);
}
catch (ErrorResponseException ex)
{
if (ex.Body?.Error?.Code != "ConversationNotFound")
{
throw;
}
// unable to find the member added in ConversationUpdate Activity in the response from the GetMemberAsync call
newMemberInfo = new TeamsChannelAccount
{
Id = memberAdded.Id,
Name = memberAdded.Name,
AadObjectId = memberAdded.AadObjectId,
Role = memberAdded.Role,
};
}
teamsMembersAdded.Add(newMemberInfo);
}
}
await OnTeamsMembersAddedAsync(teamsMembersAdded, teamInfo, turnContext, cancellationToken).ConfigureAwait(false);
}