Activity Feeds V3 is in closed alpha — do not use it in production (just yet).

Comments

Overview

Comments support voting, ranking, threading, images, URL previews, mentions and notifications.

Adding Comments

// Adding a comment to an activity
let comment = try await feed.addComment(
    request: .init(
        comment: "So great!",
        custom: ["sentiment": "positive"],
        objectId: "activity_123",
        objectType: "activity",
    )
)

// Adding a reply to a comment
let reply = try await feed.addComment(
    request: .init(
        comment: "I agree!",
        objectId: "activity_123",
        objectType: "activity",
        parentId: "comment_456"
    )
)

// Adding a comment to an activity
val comment: Result<CommentData> = feed.addComment(
    request = ActivityAddCommentRequest(
        comment = "So great!",
        custom = mapOf("sentiment" to "positive"),
        activityId = "activity_123"
    )
)

// Adding a reply to a comment
val reply: Result<CommentData> = feed.addComment(
    request = ActivityAddCommentRequest(
        comment = "I agree!",
        activityId = "activity_123",
        parentId = "comment_456"
    )
)

// Adding a comment to an activity
await client.addComment({
  comment: "So great!",
  object_id: "activity_123",
  object_type: "activity",
  custom: {
    sentiment: "positive",
  },
});

// Adding a reply to a comment
await client.addComment({
  comment: "I agree!",
  object_id: "activity_123",
  object_type: "activity",
  parent_id: "comment_456",
});

// Adding a comment without triggering push notifications
await client.addComment({
  comment: "Silent comment",
  object_id: "activity_123",
  object_type: "activity",
  skip_push: true,
});

// Adding a comment to an activity
final comment = await feed.addComment(
  request: const ActivityAddCommentRequest(
    comment: 'So great!',
    custom: {'sentiment': 'positive'},
    activityId: 'activity_123',
    activityType: 'activity',
  ),
);
// Adding a reply to a comment
final reply = await feed.addComment(
  request: const ActivityAddCommentRequest(
    comment: 'I agree!',
    activityId: 'activity_123',
    activityType: 'activity',
    parentId: 'comment_456',
  ),
);

// Adding a comment to an activity
await serverClient.feeds.addComment({
  comment: "So great!",
  object_id: "activity_123",
  object_type: "activity",
  user_id: "<user_id>",
  custom: {
    sentiment: "positive",
  },
});

// Adding a reply to a comment
await serverClient.feeds.addComment({
  comment: "I agree!",
  object_id: "activity_123",
  object_type: "activity",
  parent_id: "comment_456",
  user_id: "<user_id>",
});

// Adding a comment without triggering push notifications
await serverClient.feeds.addComment({
  comment: "Silent comment",
  object_id: "activity_123",
  object_type: "activity",
  user_id: "<user_id>",
  skip_push: true,
});

response, err := feedsClient.AddComment(ctx, &getstream.AddCommentRequest{
	Comment:    "This is a test comment from Go SDK",
	ObjectID:   activityID,
	ObjectType: "activity",
	UserID:     &testUserID,
})

AddCommentRequest commentRequest =
    AddCommentRequest.builder()
        .comment("This is a test comment from Java SDK")
        .objectID(activityId)
        .objectType("activity")
        .userID(testUserId)
        .build();

AddCommentResponse response = feeds.addComment(commentRequest).execute().getData();

$response = $this->feedsV3Client->addComment(
    new GeneratedModels\AddCommentRequest(
        comment: 'This is a test comment from PHP SDK',
        objectID: $activityId,
        objectType: 'activity',
        userID: $this->testUserId
    )
);

var response = await _feedsV3Client.AddCommentAsync(
    new AddCommentRequest
    {
        Comment = "This is a test comment from .NET SDK",
        ObjectID = activityId,
        ObjectType = "activity",
        UserID = _testUserId
    }
);

response = self.client.feeds.add_comment(
    comment="This is a test comment from Python SDK",
    object_id=activity_id,
    object_type="activity",
    user_id=self.test_user_id,
)

Updating Comments

try await feed.updateComment(
    commentId: "comment_123",
    request: .init(
        comment: "Not so great",
        custom: ["edited": true]
    )
)

feed.updateComment(
    commentId = "comment_123",
    request = UpdateCommentRequest(
        comment = "Not so great",
        custom = mapOf("edited" to true)
    )
)

// Update a comment
await client.updateComment({
  id: "comment_123",
  comment: "Updated comment",
  custom: {
    edited: true,
  },
});

// Updating a comment
final updatedComment = await feed.updateComment(
  commentId: 'comment_123',
  request: const UpdateCommentRequest(
    comment: 'Not so great',
    custom: {'edited': true},
  ),
);

// Update a comment
await client.feeds.updateComment({
  id: "comment_123",
  comment: "Updated comment",
  custom: {
    edited: true,
  },
});

response, err := feedsClient.AddComment(ctx, &getstream.AddCommentRequest{
	Comment:    "This is a test comment from Go SDK",
	ObjectID:   activityID,
	ObjectType: "activity",
	UserID:     &testUserID,
})

AddCommentRequest commentRequest =
    AddCommentRequest.builder()
        .comment("This is a test comment from Java SDK")
        .objectID(activityId)
        .objectType("activity")
        .userID(testUserId)
        .build();

AddCommentResponse response = feeds.addComment(commentRequest).execute().getData();

$response = $this->feedsV3Client->addComment(
    new GeneratedModels\AddCommentRequest(
        comment: 'This is a test comment from PHP SDK',
        objectID: $activityId,
        objectType: 'activity',
        userID: $this->testUserId
    )
);

var response = await _feedsV3Client.AddCommentAsync(
    new AddCommentRequest
    {
        Comment = "This is a test comment from .NET SDK",
        ObjectID = activityId,
        ObjectType = "activity",
        UserID = _testUserId
    }
);

response = self.client.feeds.add_comment(
    comment="This is a test comment from Python SDK",
    object_id=activity_id,
    object_type="activity",
    user_id=self.test_user_id,
)

Removing Comments

try await feed.deleteComment(
    commentId: "comment_123"
)

feed.deleteComment(commentId = "comment_123")

client.deleteComment({
  id: "comment_123",
});

await feed.deleteComment(commentId: 'comment_123');

client.feeds.deleteComment({
  id: "comment_123",
});

response, err := feedsClient.UpdateComment(ctx, commentID, &getstream.UpdateCommentRequest{
	Comment: getstream.PtrTo("Updated comment text from Go SDK"),
})

UpdateCommentRequest updateRequest =
    UpdateCommentRequest.builder().comment("Updated comment text from Java SDK").build();

UpdateCommentResponse response =
    feeds.updateComment(commentId, updateRequest).execute().getData();

$response = $this->feedsV3Client->updateComment(
    $commentId,
    new GeneratedModels\UpdateCommentRequest(
        comment: 'Updated comment text from PHP SDK'
    )
);

var response = await _feedsV3Client.UpdateCommentAsync(
    commentId,
    new UpdateCommentRequest
    {
        Comment = "Updated comment text from .NET SDK"
    }
);

response = self.client.feeds.update_comment(
    comment_id, comment="Updated comment text from Python SDK"
)

Reading Comments

You’ll also want to show/return these comments. The most important is when reading the feed.

try await feed.getOrCreate()
print(feed.state.activities[0].comments)
// or
let activity = client.activity(
    for: "activity_123",
    in: FeedId(group: "user", id: "john")
)
try await activity.get()
print(activity.state.comments)

feed.getOrCreate()
feed.state.activities.collect { it.first().comments }
// or
val activity = client.activity(
    activityId = "activity_123",
    fid = FeedId(group = "user", id = "john")
)
activity.get()
activity.state.comments

await feed.getOrCreate();

const activity = feed.state.getLatestValue().activities?.[0]!;
// Supported values for sort: first, last, top, controversial, best
// Loads the activity comments (first or next page) and stores them in feed state
await feed.loadNextPageActivityComments(activity, { sort: 'best' });

// To read comments without storing them in feed state
const response = client.getComments({
  object_type: "activity",
  object_id: "123",
  limit: 10,
  sort: "best",
});

await feed.getOrCreate();
print(feed.state.activities[0].comments);
// or
final activity = client.activity(
  fid: const FeedId(group: 'user', id: 'john'),
  activityId: 'activity_123',
);
await activity.get();
print(activity.state.comments);

const response = feed.getOrCreate({
  user_id: "<user id>",
});

console.log(response.activities[0].comments);

// Or using the getComments endpoint
const comments = await client.feeds.getComments({
  object_type: "activity",
  object_id: "123",
  limit: 10,
  sort: "best",
});

response, err := feedsClient.DeleteComment(ctx, commentID, &getstream.DeleteCommentRequest{
	HardDelete: getstream.PtrTo(false), // soft delete
})

DeleteCommentRequest deleteRequest = DeleteCommentRequest.builder().build();
DeleteCommentResponse response =
    feeds.deleteComment(commentId, deleteRequest).execute().getData();

$response = $this->feedsV3Client->deleteComment($commentId, false); // soft delete

var response = await _feedsV3Client.DeleteCommentAsync(
    commentId,
    new { user_id = _testUserId }
);

response = self.client.feeds.delete_comment(
    comment_id, hard_delete=False
)  # soft delete

Querying Comments

You can also query the comments so you can show all comments for a given activity or user:

// Search in comment texts
let list1 = client.commentList(
    for: .init(
        filter: .query(.commentText, "oat")
    )
)
let comments1 = try await list1.get()

// All comments for an activity
let list2 = client.commentList(
    for: .init(
        filter: .and([
            .equal(.objectId, "activity_123"),
            .equal(.objectType, "activity")
        ])
    )
)
let comments2 = try await list2.get()

// Replies to a parent activity
let list3 = client.commentList(
    for: .init(
        filter: .equal(.parentId, "parent_id")
    )
)
let comments3 = try await list3.get()

// Comments from an user
let list4 = client.commentList(
    for: .init(
        filter: .equal(.userId, "jane")
    )
)
let comments4 = try await list4.get()

// Search in comment texts
val list1 = client.commentList(
    query = CommentsQuery(
        filter = Filters.query("comment_text", "oat")
    )
)
val comments1: Result<List<CommentData>> = list1.get()

// All comments for an activity
val list2 = client.commentList(
    query = CommentsQuery(
        filter = Filters.and(
            Filters.equal("object_id", "activity_123"),
            Filters.equal("object_type", "activity")
        )
    )
)
val comments2: Result<List<CommentData>> = list2.get()

// Replies to a parent activity
val list3 = client.commentList(
    query = CommentsQuery(
        filter = Filters.equal("parent_id", "parent_id")
    )
)
val comments3: Result<List<CommentData>> = list3.get()

// Comments from a user
val list4 = client.commentList(
    query = CommentsQuery(
        filter = Filters.equal("user_id", "jane")
    )
)
val comments4: Result<List<CommentData>> = list4.get()

// Search in comment texts
await client.queryComments({
  filter: { comment_text: { $q: "oat" } },
});

// All comments for an activity
await client.queryComments({
  filter: { object_id: "activity_123", object_type: "activity" },
});

// Replies to a parent acitivity
await client.queryComments({
  filter: { parent_id: "<parent id>" },
});

await client.queryComments({
  filter: {
    user_id: jane.id,
  },
  limit: 20,
});

// Search in comment texts
final list1 = client.commentList(
  const CommentsQuery(
    filter: Filter.query(CommentsFilterField.commentText, 'oat'),
  ),
);
final comments1 = await list1.get();

// All comments for an activity
final list2 = client.commentList(
  const CommentsQuery(
    filter: Filter.and([
      Filter.equal(CommentsFilterField.objectId, 'activity_123'),
      Filter.equal(CommentsFilterField.objectType, 'activity'),
    ]),
  ),
);
final comments2 = await list2.get();

// Replies to a parent activity
final list3 = client.commentList(
  const CommentsQuery(
    filter: Filter.equal(CommentsFilterField.parentId, 'parent_id'),
  ),
);
final comments3 = await list3.get();

// Comments from an user
final list4 = client.commentList(
  const CommentsQuery(
    filter: Filter.equal(CommentsFilterField.userId, 'jane'),
  ),
);
final comments4 = await list4.get();

// Search in comment texts
await client.feeds.queryComments({
  filter: { comment_text: { $q: "oat" } },
});

// All comments for an activity
await client.feeds.queryComments({
  filter: { object_id: "activity_123", object_type: "activity" },
});

// Replies to a parent acitivity
await client.feeds.queryComments({
  filter: { parent_id: "<parent id>" },
});

await client.feeds.queryComments({
  filter: {
    user_id: jane.id,
  },
  limit: 20,
});

response, err := feedsClient.QueryComments(ctx, &getstream.QueryCommentsRequest{
	Filter: map[string]interface{}{
		"object_id": activityID,
	},
	Limit: getstream.PtrTo(10),
})

Map<String, Object> filter = new HashMap<>();
filter.put("object_id", activityId);

QueryCommentsRequest queryRequest =
    QueryCommentsRequest.builder().filter(filter).limit(10).build();

QueryCommentsResponse response = feeds.queryComments(queryRequest).execute().getData();

$response = $this->feedsV3Client->queryComments(
    new GeneratedModels\QueryCommentsRequest(
        filter: (object)['object_id' => $activityId],
        limit: 10
    )
);

var response = await _feedsV3Client.QueryCommentsAsync(
    new QueryCommentsRequest
    {
        Filter = new Dictionary<string, object> { ["object_id"] = activityId },
        Limit = 10
    }
);

response = self.client.feeds.query_comments(
    filter={"object_id": activity_id}, limit=10
)

Comment Reactions

// Add a reaction to a comment
try await feed.addCommentReaction(
    commentId: "comment_123",
    request: .init(type: "like")
)

// Remove a reaction from a comment
try await feed.deleteCommentReaction(
    commentId: "comment_123",
    type: "like"
)

// Add a reaction to a comment
feed.addCommentReaction(
    commentId = "comment_123",
    request = AddCommentReactionRequest(type = "like")
)

// Remove a reaction from a comment
feed.deleteCommentReaction(
    commentId = "comment_123",
    type = "like"
)

// Add a reaction to a comment
const response = await client.addCommentReaction({
  id: "comment_123",
  type: "like",
});

await client.deleteCommentReaction({
  id: "comment_123",
  type: "like",
});

// Add a reaction to a comment
await feed.addCommentReaction(
  commentId: 'comment_123',
  request: const AddCommentReactionRequest(type: 'like'),
);
// Remove a reaction from a comment
await feed.deleteCommentReaction(commentId: 'comment_123', type: 'like');

// Add a reaction to a comment
const response = await client.feeds.addCommentReaction({
  id: "comment_123",
  type: "like",
  user_id: "<user id>",
});

await client.feeds.deleteCommentReaction({
  id: "comment_123",
  type: "like",
  user_id: "<user id>",
});

response, err := feedsClient.QueryComments(ctx, &getstream.QueryCommentsRequest{
	Filter: map[string]interface{}{
		"object_id": activityID,
	},
	Limit: getstream.PtrTo(10),
})

Map<String, Object> filter = new HashMap<>();
filter.put("object_id", activityId);

QueryCommentsRequest queryRequest =
    QueryCommentsRequest.builder().filter(filter).limit(10).build();

QueryCommentsResponse response = feeds.queryComments(queryRequest).execute().getData();

$response = $this->feedsV3Client->queryComments(
    new GeneratedModels\QueryCommentsRequest(
        filter: (object)['object_id' => $activityId],
        limit: 10
    )
);

var response = await _feedsV3Client.QueryCommentsAsync(
    new QueryCommentsRequest
    {
        Filter = new Dictionary<string, object> { ["object_id"] = activityId },
        Limit = 10
    }
);

response = self.client.feeds.query_comments(
    filter={"object_id": activity_id}, limit=10
)

Comment Threading

let commentList = client.activityCommentList(
    for: .init(
        objectId: "activity_123",
        objectType: "activity",
        depth: 3,
        limit: 20
    )
)
let comments = try await commentList.get()

// Get replies of a specific parent comment
let replyList = client.commentReplyList(
    for: .init(
        commentId: "parent_123"
    )
)
let replies = try await replyList.get()

val commentList = client.activityCommentList(
    query = ActivityCommentsQuery(
        objectId = "activity_123",
        objectType = "activity",
        depth = 3,
        limit = 20
    )
)
val comments: Result<List<ThreadedCommentData>> = commentList.get()

// Get replies of a specific parent comment
val replyList = client.commentReplyList(
    query = CommentRepliesQuery(
        commentId = "parent_123"
    )
)
val replies: Result<List<ThreadedCommentData>> = replyList.get()

await feed.getOrCreate();

// To store comments in feed state you can use the loadNextPageActivityComments and loadNextPageCommentReplies
const activity = feed.state.getLatestValue().activities?.[0]!;
await feed.loadNextPageActivityComments(activity, { limit: 20 });

const commentState =
  feed.state.getLatestValue()?.comments_by_entity_id[activity.id];
const parentComment = commentState?.comments?.[0]!;
const firstPageOfReplies =
  feed.state.getLatestValue()?.comments_by_entity_id[parentComment?.id];

// Load next page of replies (or first, if replies aren't yet initialized)
feed.loadNextPageCommentReplies(parentComment);

// To read comments without storing them in state use getComments and getCommentReplies
const response = client.getComments({
    object_id: 'activity_123',
    object_type: 'activity',
    // Depth of the threaded comments
    depth: 3,
    limit: 20,
});

// Get replies of a specific parent comment
const response = client.getCommentReplies({
    id: '<parent id>',
});

final commentList = client.activityCommentList(
  const ActivityCommentsQuery(
    objectId: 'activity_123',
    objectType: 'activity',
    depth: 3,
    limit: 20,
  ),
);
final comments = await commentList.get();

// Get replies of a specific parent comment
final replyList = client.commentReplyList(
  const CommentRepliesQuery(commentId: 'parent_123'),
);
final replies = await replyList.get();

const response = client.feeds.getComments({
  object_id: "activity_123",
  object_type: "activity",
  // Depth of the threaded comments
  depth: 3,
  limit: 20,
});

// Get replies of a specific parent comment
const response = client.feeds.getCommentReplies({
  id: "<parent id>",
});

response, err := feedsClient.DeleteComment(ctx, commentID, &getstream.DeleteCommentRequest{
	HardDelete: getstream.PtrTo(false), // soft delete
})

DeleteCommentRequest deleteRequest = DeleteCommentRequest.builder().build();
DeleteCommentResponse response =
    feeds.deleteComment(commentId, deleteRequest).execute().getData();

$response = $this->feedsV3Client->deleteComment($commentId, false); // soft delete

var response = await _feedsV3Client.DeleteCommentAsync(
    commentId,
    new { user_id = _testUserId }
);

response = self.client.feeds.delete_comment(
    comment_id, hard_delete=False
)  # soft delete

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