317 lines
11 KiB
Go
317 lines
11 KiB
Go
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package slack
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import (
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"context"
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"fmt"
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"io"
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"net/url"
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"strconv"
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"strings"
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)
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const (
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DEFAULT_REMOTE_FILES_CHANNEL = ""
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DEFAULT_REMOTE_FILES_TS_FROM = 0
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DEFAULT_REMOTE_FILES_TS_TO = -1
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DEFAULT_REMOTE_FILES_COUNT = 100
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)
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// RemoteFile contains all the information for a remote file
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// For more details:
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// https://api.slack.com/messaging/files/remote
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type RemoteFile struct {
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ID string `json:"id"`
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Created JSONTime `json:"created"`
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Timestamp JSONTime `json:"timestamp"`
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Name string `json:"name"`
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Title string `json:"title"`
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Mimetype string `json:"mimetype"`
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Filetype string `json:"filetype"`
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PrettyType string `json:"pretty_type"`
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User string `json:"user"`
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Editable bool `json:"editable"`
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Size int `json:"size"`
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Mode string `json:"mode"`
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IsExternal bool `json:"is_external"`
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ExternalType string `json:"external_type"`
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IsPublic bool `json:"is_public"`
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PublicURLShared bool `json:"public_url_shared"`
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DisplayAsBot bool `json:"display_as_bot"`
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Username string `json:"username"`
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URLPrivate string `json:"url_private"`
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Permalink string `json:"permalink"`
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CommentsCount int `json:"comments_count"`
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IsStarred bool `json:"is_starred"`
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Shares Share `json:"shares"`
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Channels []string `json:"channels"`
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Groups []string `json:"groups"`
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IMs []string `json:"ims"`
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ExternalID string `json:"external_id"`
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ExternalURL string `json:"external_url"`
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HasRichPreview bool `json:"has_rich_preview"`
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}
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// RemoteFileParameters contains required and optional parameters for a remote file.
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//
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// ExternalID is a user defined GUID, ExternalURL is where the remote file can be accessed,
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// and Title is the name of the file.
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//
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// For more details:
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// https://api.slack.com/methods/files.remote.add
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type RemoteFileParameters struct {
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ExternalID string // required
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ExternalURL string // required
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Title string // required
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Filetype string
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IndexableFileContents string
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PreviewImage string
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PreviewImageReader io.Reader
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}
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// ListRemoteFilesParameters contains arguments for the ListRemoteFiles method.
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// For more details:
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// https://api.slack.com/methods/files.remote.list
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type ListRemoteFilesParameters struct {
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Channel string
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Cursor string
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Limit int
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TimestampFrom JSONTime
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TimestampTo JSONTime
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}
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type remoteFileResponseFull struct {
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RemoteFile `json:"file"`
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Paging `json:"paging"`
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Files []RemoteFile `json:"files"`
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SlackResponse
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}
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func (api *Client) remoteFileRequest(ctx context.Context, path string, values url.Values) (*remoteFileResponseFull, error) {
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response := &remoteFileResponseFull{}
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err := api.postMethod(ctx, path, values, response)
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if err != nil {
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return nil, err
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}
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return response, response.Err()
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}
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// AddRemoteFile adds a remote file. Unlike regular files, remote files must be explicitly shared.
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// For more details:
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// https://api.slack.com/methods/files.remote.add
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func (api *Client) AddRemoteFile(params RemoteFileParameters) (*RemoteFile, error) {
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return api.AddRemoteFileContext(context.Background(), params)
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}
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// AddRemoteFileContext adds a remote file and setting a custom context
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// For more details see the AddRemoteFile documentation.
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func (api *Client) AddRemoteFileContext(ctx context.Context, params RemoteFileParameters) (remotefile *RemoteFile, err error) {
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if params.ExternalID == "" || params.ExternalURL == "" || params.Title == "" {
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return nil, ErrParametersMissing
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}
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response := &remoteFileResponseFull{}
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values := url.Values{
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"token": {api.token},
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"external_id": {params.ExternalID},
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"external_url": {params.ExternalURL},
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"title": {params.Title},
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}
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if params.Filetype != "" {
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values.Add("filetype", params.Filetype)
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}
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if params.IndexableFileContents != "" {
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values.Add("indexable_file_contents", params.IndexableFileContents)
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}
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if params.PreviewImage != "" {
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err = postLocalWithMultipartResponse(ctx, api.httpclient, api.endpoint+"files.remote.add", params.PreviewImage, "preview_image", api.token, values, response, api)
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} else if params.PreviewImageReader != nil {
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err = postWithMultipartResponse(ctx, api.httpclient, api.endpoint+"files.remote.add", "preview.png", "preview_image", api.token, values, params.PreviewImageReader, response, api)
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} else {
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response, err = api.remoteFileRequest(ctx, "files.remote.add", values)
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}
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if err != nil {
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return nil, err
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}
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return &response.RemoteFile, response.Err()
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}
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// ListRemoteFiles retrieves all remote files according to the parameters given. Uses cursor based pagination.
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// For more details:
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// https://api.slack.com/methods/files.remote.list
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func (api *Client) ListRemoteFiles(params ListRemoteFilesParameters) ([]RemoteFile, error) {
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return api.ListRemoteFilesContext(context.Background(), params)
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}
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// ListRemoteFilesContext retrieves all remote files according to the parameters given with a custom context. Uses cursor based pagination.
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// For more details see the ListRemoteFiles documentation.
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func (api *Client) ListRemoteFilesContext(ctx context.Context, params ListRemoteFilesParameters) ([]RemoteFile, error) {
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values := url.Values{
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"token": {api.token},
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}
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if params.Channel != DEFAULT_REMOTE_FILES_CHANNEL {
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values.Add("channel", params.Channel)
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}
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if params.TimestampFrom != DEFAULT_REMOTE_FILES_TS_FROM {
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values.Add("ts_from", strconv.FormatInt(int64(params.TimestampFrom), 10))
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}
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if params.TimestampTo != DEFAULT_REMOTE_FILES_TS_TO {
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values.Add("ts_to", strconv.FormatInt(int64(params.TimestampTo), 10))
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}
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if params.Limit != DEFAULT_REMOTE_FILES_COUNT {
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values.Add("limit", strconv.Itoa(params.Limit))
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}
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if params.Cursor != "" {
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values.Add("cursor", params.Cursor)
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}
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response, err := api.remoteFileRequest(ctx, "files.remote.list", values)
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if err != nil {
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return nil, err
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}
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params.Cursor = response.SlackResponse.ResponseMetadata.Cursor
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return response.Files, nil
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}
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// GetRemoteFileInfo retrieves the complete remote file information.
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// For more details:
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// https://api.slack.com/methods/files.remote.info
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func (api *Client) GetRemoteFileInfo(externalID, fileID string) (remotefile *RemoteFile, err error) {
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return api.GetRemoteFileInfoContext(context.Background(), externalID, fileID)
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}
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// GetRemoteFileInfoContext retrieves the complete remote file information given with a custom context.
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// For more details see the GetRemoteFileInfo documentation.
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func (api *Client) GetRemoteFileInfoContext(ctx context.Context, externalID, fileID string) (remotefile *RemoteFile, err error) {
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if fileID == "" && externalID == "" {
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return nil, fmt.Errorf("either externalID or fileID is required")
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}
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if fileID != "" && externalID != "" {
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return nil, fmt.Errorf("don't provide both externalID and fileID")
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}
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values := url.Values{
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"token": {api.token},
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}
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if fileID != "" {
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values.Add("file", fileID)
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}
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if externalID != "" {
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values.Add("external_id", externalID)
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}
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response, err := api.remoteFileRequest(ctx, "files.remote.info", values)
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if err != nil {
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return nil, err
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}
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return &response.RemoteFile, err
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}
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// ShareRemoteFile shares a remote file to channels
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// For more details:
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// https://api.slack.com/methods/files.remote.share
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func (api *Client) ShareRemoteFile(channels []string, externalID, fileID string) (file *RemoteFile, err error) {
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return api.ShareRemoteFileContext(context.Background(), channels, externalID, fileID)
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}
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// ShareRemoteFileContext shares a remote file to channels with a custom context.
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// For more details see the ShareRemoteFile documentation.
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func (api *Client) ShareRemoteFileContext(ctx context.Context, channels []string, externalID, fileID string) (file *RemoteFile, err error) {
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if channels == nil || len(channels) == 0 {
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return nil, ErrParametersMissing
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}
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if fileID == "" && externalID == "" {
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return nil, fmt.Errorf("either externalID or fileID is required")
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}
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values := url.Values{
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"token": {api.token},
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"channels": {strings.Join(channels, ",")},
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}
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if fileID != "" {
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values.Add("file", fileID)
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}
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if externalID != "" {
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values.Add("external_id", externalID)
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}
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response, err := api.remoteFileRequest(ctx, "files.remote.share", values)
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if err != nil {
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return nil, err
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}
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return &response.RemoteFile, err
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}
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// UpdateRemoteFile updates a remote file
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// For more details:
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// https://api.slack.com/methods/files.remote.update
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func (api *Client) UpdateRemoteFile(fileID string, params RemoteFileParameters) (remotefile *RemoteFile, err error) {
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return api.UpdateRemoteFileContext(context.Background(), fileID, params)
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}
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// UpdateRemoteFileContext updates a remote file with a custom context
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// For more details see the UpdateRemoteFile documentation.
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func (api *Client) UpdateRemoteFileContext(ctx context.Context, fileID string, params RemoteFileParameters) (remotefile *RemoteFile, err error) {
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response := &remoteFileResponseFull{}
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values := url.Values{
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"token": {api.token},
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}
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if fileID != "" {
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values.Add("file", fileID)
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}
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if params.ExternalID != "" {
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values.Add("external_id", params.ExternalID)
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}
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if params.ExternalURL != "" {
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values.Add("external_url", params.ExternalURL)
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}
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if params.Title != "" {
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values.Add("title", params.Title)
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}
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if params.Filetype != "" {
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values.Add("filetype", params.Filetype)
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}
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if params.IndexableFileContents != "" {
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values.Add("indexable_file_contents", params.IndexableFileContents)
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}
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if params.PreviewImageReader != nil {
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err = postWithMultipartResponse(ctx, api.httpclient, api.endpoint+"files.remote.update", "preview.png", "preview_image", api.token, values, params.PreviewImageReader, response, api)
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} else {
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response, err = api.remoteFileRequest(ctx, "files.remote.update", values)
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}
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if err != nil {
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return nil, err
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}
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return &response.RemoteFile, response.Err()
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}
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// RemoveRemoteFile removes a remote file.
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// For more details:
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// https://api.slack.com/methods/files.remote.remove
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func (api *Client) RemoveRemoteFile(externalID, fileID string) (err error) {
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return api.RemoveRemoteFileContext(context.Background(), externalID, fileID)
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}
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// RemoveRemoteFileContext removes a remote file with a custom context
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// For more information see the RemoveRemoteFiles documentation.
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func (api *Client) RemoveRemoteFileContext(ctx context.Context, externalID, fileID string) (err error) {
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if fileID == "" && externalID == "" {
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return fmt.Errorf("either externalID or fileID is required")
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}
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if fileID != "" && externalID != "" {
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return fmt.Errorf("don't provide both externalID and fileID")
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}
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values := url.Values{
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"token": {api.token},
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}
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if fileID != "" {
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values.Add("file", fileID)
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}
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if externalID != "" {
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values.Add("external_id", externalID)
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}
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_, err = api.remoteFileRequest(ctx, "files.remote.remove", values)
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return err
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}
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