337 lines
11 KiB
Go
337 lines
11 KiB
Go
package slack
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import (
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"context"
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"errors"
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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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// Add here the defaults in the siten
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DEFAULT_FILES_USER = ""
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DEFAULT_FILES_CHANNEL = ""
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DEFAULT_FILES_TS_FROM = 0
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DEFAULT_FILES_TS_TO = -1
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DEFAULT_FILES_TYPES = "all"
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DEFAULT_FILES_COUNT = 100
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DEFAULT_FILES_PAGE = 1
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)
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// File contains all the information for a file
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type File 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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ImageExifRotation int `json:"image_exif_rotation"`
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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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Mode string `json:"mode"`
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Editable bool `json:"editable"`
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IsExternal bool `json:"is_external"`
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ExternalType string `json:"external_type"`
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Size int `json:"size"`
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URL string `json:"url"` // Deprecated - never set
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URLDownload string `json:"url_download"` // Deprecated - never set
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URLPrivate string `json:"url_private"`
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URLPrivateDownload string `json:"url_private_download"`
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OriginalH int `json:"original_h"`
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OriginalW int `json:"original_w"`
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Thumb64 string `json:"thumb_64"`
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Thumb80 string `json:"thumb_80"`
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Thumb160 string `json:"thumb_160"`
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Thumb360 string `json:"thumb_360"`
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Thumb360Gif string `json:"thumb_360_gif"`
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Thumb360W int `json:"thumb_360_w"`
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Thumb360H int `json:"thumb_360_h"`
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Thumb480 string `json:"thumb_480"`
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Thumb480W int `json:"thumb_480_w"`
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Thumb480H int `json:"thumb_480_h"`
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Thumb720 string `json:"thumb_720"`
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Thumb720W int `json:"thumb_720_w"`
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Thumb720H int `json:"thumb_720_h"`
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Thumb960 string `json:"thumb_960"`
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Thumb960W int `json:"thumb_960_w"`
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Thumb960H int `json:"thumb_960_h"`
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Thumb1024 string `json:"thumb_1024"`
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Thumb1024W int `json:"thumb_1024_w"`
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Thumb1024H int `json:"thumb_1024_h"`
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Permalink string `json:"permalink"`
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PermalinkPublic string `json:"permalink_public"`
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EditLink string `json:"edit_link"`
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Preview string `json:"preview"`
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PreviewHighlight string `json:"preview_highlight"`
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Lines int `json:"lines"`
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LinesMore int `json:"lines_more"`
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IsPublic bool `json:"is_public"`
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PublicURLShared bool `json:"public_url_shared"`
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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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InitialComment Comment `json:"initial_comment"`
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CommentsCount int `json:"comments_count"`
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NumStars int `json:"num_stars"`
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IsStarred bool `json:"is_starred"`
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}
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// FileUploadParameters contains all the parameters necessary (including the optional ones) for an UploadFile() request.
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//
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// There are three ways to upload a file. You can either set Content if file is small, set Reader if file is large,
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// or provide a local file path in File to upload it from your filesystem.
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type FileUploadParameters struct {
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File string
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Content string
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Reader io.Reader
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Filetype string
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Filename string
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Title string
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InitialComment string
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Channels []string
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ThreadTimestamp string
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}
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// GetFilesParameters contains all the parameters necessary (including the optional ones) for a GetFiles() request
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type GetFilesParameters struct {
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User string
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Channel string
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TimestampFrom JSONTime
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TimestampTo JSONTime
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Types string
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Count int
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Page int
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}
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type fileResponseFull struct {
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File `json:"file"`
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Paging `json:"paging"`
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Comments []Comment `json:"comments"`
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Files []File `json:"files"`
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SlackResponse
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}
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// NewGetFilesParameters provides an instance of GetFilesParameters with all the sane default values set
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func NewGetFilesParameters() GetFilesParameters {
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return GetFilesParameters{
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User: DEFAULT_FILES_USER,
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Channel: DEFAULT_FILES_CHANNEL,
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TimestampFrom: DEFAULT_FILES_TS_FROM,
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TimestampTo: DEFAULT_FILES_TS_TO,
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Types: DEFAULT_FILES_TYPES,
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Count: DEFAULT_FILES_COUNT,
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Page: DEFAULT_FILES_PAGE,
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}
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}
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func fileRequest(ctx context.Context, client HTTPRequester, path string, values url.Values, debug bool) (*fileResponseFull, error) {
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response := &fileResponseFull{}
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err := postForm(ctx, client, SLACK_API+path, values, response, debug)
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if err != nil {
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return nil, err
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}
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if !response.Ok {
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return nil, errors.New(response.Error)
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}
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return response, nil
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}
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// GetFileInfo retrieves a file and related comments
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func (api *Client) GetFileInfo(fileID string, count, page int) (*File, []Comment, *Paging, error) {
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return api.GetFileInfoContext(context.Background(), fileID, count, page)
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}
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// GetFileInfoContext retrieves a file and related comments with a custom context
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func (api *Client) GetFileInfoContext(ctx context.Context, fileID string, count, page int) (*File, []Comment, *Paging, error) {
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values := url.Values{
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"token": {api.token},
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"file": {fileID},
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"count": {strconv.Itoa(count)},
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"page": {strconv.Itoa(page)},
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}
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response, err := fileRequest(ctx, api.httpclient, "files.info", values, api.debug)
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if err != nil {
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return nil, nil, nil, err
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}
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return &response.File, response.Comments, &response.Paging, nil
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}
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// GetFiles retrieves all files according to the parameters given
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func (api *Client) GetFiles(params GetFilesParameters) ([]File, *Paging, error) {
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return api.GetFilesContext(context.Background(), params)
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}
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// GetFilesContext retrieves all files according to the parameters given with a custom context
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func (api *Client) GetFilesContext(ctx context.Context, params GetFilesParameters) ([]File, *Paging, 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.User != DEFAULT_FILES_USER {
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values.Add("user", params.User)
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}
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if params.Channel != DEFAULT_FILES_CHANNEL {
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values.Add("channel", params.Channel)
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}
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if params.TimestampFrom != DEFAULT_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_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.Types != DEFAULT_FILES_TYPES {
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values.Add("types", params.Types)
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}
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if params.Count != DEFAULT_FILES_COUNT {
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values.Add("count", strconv.Itoa(params.Count))
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}
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if params.Page != DEFAULT_FILES_PAGE {
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values.Add("page", strconv.Itoa(params.Page))
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}
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response, err := fileRequest(ctx, api.httpclient, "files.list", values, api.debug)
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if err != nil {
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return nil, nil, err
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}
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return response.Files, &response.Paging, nil
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}
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// UploadFile uploads a file
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func (api *Client) UploadFile(params FileUploadParameters) (file *File, err error) {
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return api.UploadFileContext(context.Background(), params)
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}
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// UploadFileContext uploads a file and setting a custom context
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func (api *Client) UploadFileContext(ctx context.Context, params FileUploadParameters) (file *File, err error) {
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// Test if user token is valid. This helps because client.Do doesn't like this for some reason. XXX: More
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// investigation needed, but for now this will do.
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_, err = api.AuthTest()
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if err != nil {
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return nil, err
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}
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response := &fileResponseFull{}
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values := url.Values{
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"token": {api.token},
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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.Filename != "" {
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values.Add("filename", params.Filename)
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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.InitialComment != "" {
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values.Add("initial_comment", params.InitialComment)
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}
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if params.ThreadTimestamp != "" {
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values.Add("thread_ts", params.ThreadTimestamp)
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}
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if len(params.Channels) != 0 {
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values.Add("channels", strings.Join(params.Channels, ","))
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}
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if params.Content != "" {
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values.Add("content", params.Content)
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err = postForm(ctx, api.httpclient, SLACK_API+"files.upload", values, response, api.debug)
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} else if params.File != "" {
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err = postLocalWithMultipartResponse(ctx, api.httpclient, "files.upload", params.File, "file", values, response, api.debug)
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} else if params.Reader != nil {
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err = postWithMultipartResponse(ctx, api.httpclient, "files.upload", params.Filename, "file", values, params.Reader, response, api.debug)
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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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if !response.Ok {
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return nil, errors.New(response.Error)
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}
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return &response.File, nil
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}
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// DeleteFileComment deletes a file's comment
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func (api *Client) DeleteFileComment(commentID, fileID string) error {
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return api.DeleteFileCommentContext(context.Background(), fileID, commentID)
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}
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// DeleteFileCommentContext deletes a file's comment with a custom context
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func (api *Client) DeleteFileCommentContext(ctx context.Context, fileID, commentID string) (err error) {
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if fileID == "" || commentID == "" {
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return errors.New("received empty parameters")
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}
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values := url.Values{
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"token": {api.token},
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"file": {fileID},
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"id": {commentID},
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}
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_, err = fileRequest(ctx, api.httpclient, "files.comments.delete", values, api.debug)
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return err
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}
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// DeleteFile deletes a file
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func (api *Client) DeleteFile(fileID string) error {
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return api.DeleteFileContext(context.Background(), fileID)
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}
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// DeleteFileContext deletes a file with a custom context
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func (api *Client) DeleteFileContext(ctx context.Context, fileID string) (err error) {
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values := url.Values{
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"token": {api.token},
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"file": {fileID},
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}
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_, err = fileRequest(ctx, api.httpclient, "files.delete", values, api.debug)
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return err
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}
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// RevokeFilePublicURL disables public/external sharing for a file
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func (api *Client) RevokeFilePublicURL(fileID string) (*File, error) {
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return api.RevokeFilePublicURLContext(context.Background(), fileID)
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}
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// RevokeFilePublicURLContext disables public/external sharing for a file with a custom context
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func (api *Client) RevokeFilePublicURLContext(ctx context.Context, fileID string) (*File, error) {
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values := url.Values{
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"token": {api.token},
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"file": {fileID},
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}
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response, err := fileRequest(ctx, api.httpclient, "files.revokePublicURL", values, api.debug)
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if err != nil {
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return nil, err
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}
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return &response.File, nil
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}
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// ShareFilePublicURL enabled public/external sharing for a file
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func (api *Client) ShareFilePublicURL(fileID string) (*File, []Comment, *Paging, error) {
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return api.ShareFilePublicURLContext(context.Background(), fileID)
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}
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// ShareFilePublicURLContext enabled public/external sharing for a file with a custom context
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func (api *Client) ShareFilePublicURLContext(ctx context.Context, fileID string) (*File, []Comment, *Paging, error) {
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values := url.Values{
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"token": {api.token},
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"file": {fileID},
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}
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response, err := fileRequest(ctx, api.httpclient, "files.sharedPublicURL", values, api.debug)
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if err != nil {
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return nil, nil, nil, err
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}
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return &response.File, response.Comments, &response.Paging, nil
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}
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