AttachmentService
The AttachmentService manages the uploads of a message input.
Type parameters
| Name | Type |
|---|---|
T | extends DefaultStreamChatGenerics = DefaultStreamChatGenerics |
Properties
attachmentUploadInProgressCounter$
• attachmentUploadInProgressCounter$: Observable<number>
Emits the number of uploads in progress.
Defined in
attachmentUploads$
• attachmentUploads$: Observable<AttachmentUpload<DefaultStreamChatGenerics>[]>
Emits the state of the uploads (AttachmentUpload[]), it adds a state (success, error or uploading) to each file the user selects for upload. It is used by the AttachmentPreviewList to display the attachment previews.
Defined in
Methods
addAttachment
▸ addAttachment(attachment): void
You can add custom image, video and file attachments using this method.
Note: If you just want to use your own CDN for file uploads, you don't necessary need this method, you can just specify you own upload function in the ChannelService
Parameters
| Name | Type |
|---|---|
attachment | Attachment<T> |
Returns
void
Defined in
createFromAttachments
▸ createFromAttachments(attachments): void
Maps attachments received from the Stream API to uploads. This is useful when editing a message.
Parameters
| Name | Type | Description |
|---|---|---|
attachments | Attachment<T>[] | Attachemnts received with the message |
Returns
void
Defined in
deleteAttachment
▸ deleteAttachment(upload): Promise<void>
Deletes an attachment, the attachment can have any state (error, uploading or success).
Parameters
| Name | Type |
|---|---|
upload | AttachmentUpload<DefaultStreamChatGenerics> |
Returns
Promise<void>
Defined in
filesSelected
▸ filesSelected(fileList): Promise<void>
Uploads the selected files, and creates preview for image files. The result is propagated throught the attachmentUploads$ stream.
Parameters
| Name | Type | Description |
|---|---|---|
fileList | null | FileList | The files selected by the user |
Returns
Promise<void>
A promise with the result
Defined in
mapToAttachments
▸ mapToAttachments(): Attachment<DefaultGenerics>[]
Maps the current uploads to a format that can be sent along with the message to the Stream API.
Returns
Attachment<DefaultGenerics>[]
the attachments
Defined in
resetAttachmentUploads
▸ resetAttachmentUploads(): void
Resets the attachments uploads (for example after the message with the attachments sent successfully)
Returns
void
Defined in
retryAttachmentUpload
▸ retryAttachmentUpload(file): Promise<void>
Retries to upload an attachment.
Parameters
| Name | Type |
|---|---|
file | File |
Returns
Promise<void>
A promise with the result