package slack import ( "context" "encoding/json" ) const ( VTModal ViewType = "modal" VTHomeTab ViewType = "home" ) type ViewType string type ViewState struct { Values map[string]map[string]BlockAction `json:"values"` } type View struct { SlackResponse ID string `json:"id"` TeamID string `json:"team_id"` Type ViewType `json:"type"` Title *TextBlockObject `json:"title"` Close *TextBlockObject `json:"close"` Submit *TextBlockObject `json:"submit"` Blocks Blocks `json:"blocks"` PrivateMetadata string `json:"private_metadata"` CallbackID string `json:"callback_id"` State *ViewState `json:"state"` Hash string `json:"hash"` ClearOnClose bool `json:"clear_on_close"` NotifyOnClose bool `json:"notify_on_close"` RootViewID string `json:"root_view_id"` PreviousViewID string `json:"previous_view_id"` AppID string `json:"app_id"` ExternalID string `json:"external_id"` BotID string `json:"bot_id"` } type ViewSubmissionCallbackResponseURL struct { BlockID string `json:"block_id"` ActionID string `json:"action_id"` ChannelID string `json:"channel_id"` ResponseURL string `json:"response_url"` } type ViewSubmissionCallback struct { Hash string `json:"hash"` ResponseURLs []ViewSubmissionCallbackResponseURL `json:"response_urls,omitempty"` } type ViewClosedCallback struct { IsCleared bool `json:"is_cleared"` } const ( RAClear ViewResponseAction = "clear" RAUpdate ViewResponseAction = "update" RAPush ViewResponseAction = "push" RAErrors ViewResponseAction = "errors" ) type ViewResponseAction string type ViewSubmissionResponse struct { ResponseAction ViewResponseAction `json:"response_action"` View *ModalViewRequest `json:"view,omitempty"` Errors map[string]string `json:"errors,omitempty"` } func NewClearViewSubmissionResponse() *ViewSubmissionResponse { return &ViewSubmissionResponse{ ResponseAction: RAClear, } } func NewUpdateViewSubmissionResponse(view *ModalViewRequest) *ViewSubmissionResponse { return &ViewSubmissionResponse{ ResponseAction: RAUpdate, View: view, } } func NewPushViewSubmissionResponse(view *ModalViewRequest) *ViewSubmissionResponse { return &ViewSubmissionResponse{ ResponseAction: RAPush, View: view, } } func NewErrorsViewSubmissionResponse(errors map[string]string) *ViewSubmissionResponse { return &ViewSubmissionResponse{ ResponseAction: RAErrors, Errors: errors, } } type ModalViewRequest struct { Type ViewType `json:"type"` Title *TextBlockObject `json:"title,omitempty"` Blocks Blocks `json:"blocks"` Close *TextBlockObject `json:"close,omitempty"` Submit *TextBlockObject `json:"submit,omitempty"` PrivateMetadata string `json:"private_metadata,omitempty"` CallbackID string `json:"callback_id,omitempty"` ClearOnClose bool `json:"clear_on_close,omitempty"` NotifyOnClose bool `json:"notify_on_close,omitempty"` ExternalID string `json:"external_id,omitempty"` } func (v *ModalViewRequest) ViewType() ViewType { return v.Type } type HomeTabViewRequest struct { Type ViewType `json:"type"` Blocks Blocks `json:"blocks"` PrivateMetadata string `json:"private_metadata,omitempty"` CallbackID string `json:"callback_id,omitempty"` ExternalID string `json:"external_id,omitempty"` } func (v *HomeTabViewRequest) ViewType() ViewType { return v.Type } type openViewRequest struct { TriggerID string `json:"trigger_id"` View ModalViewRequest `json:"view"` } type publishViewRequest struct { UserID string `json:"user_id"` View HomeTabViewRequest `json:"view"` Hash string `json:"hash,omitempty"` } type pushViewRequest struct { TriggerID string `json:"trigger_id"` View ModalViewRequest `json:"view"` } type updateViewRequest struct { View ModalViewRequest `json:"view"` ExternalID string `json:"external_id,omitempty"` Hash string `json:"hash,omitempty"` ViewID string `json:"view_id,omitempty"` } type ViewResponse struct { SlackResponse View `json:"view"` } // OpenView opens a view for a user. func (api *Client) OpenView(triggerID string, view ModalViewRequest) (*ViewResponse, error) { return api.OpenViewContext(context.Background(), triggerID, view) } // ValidateUniqueBlockID will verify if each input block has a unique block ID if set func ValidateUniqueBlockID(view ModalViewRequest) bool { uniqueBlockID := map[string]bool{} for _, b := range view.Blocks.BlockSet { if inputBlock, ok := b.(*InputBlock); ok { if _, ok := uniqueBlockID[inputBlock.BlockID]; ok { return false } uniqueBlockID[inputBlock.BlockID] = true } } return true } // OpenViewContext opens a view for a user with a custom context. func (api *Client) OpenViewContext( ctx context.Context, triggerID string, view ModalViewRequest, ) (*ViewResponse, error) { if triggerID == "" { return nil, ErrParametersMissing } if !ValidateUniqueBlockID(view) { return nil, ErrBlockIDNotUnique } req := openViewRequest{ TriggerID: triggerID, View: view, } encoded, err := json.Marshal(req) if err != nil { return nil, err } endpoint := api.endpoint + "views.open" resp := &ViewResponse{} err = postJSON(ctx, api.httpclient, endpoint, api.token, encoded, resp, api) if err != nil { return nil, err } return resp, resp.Err() } // PublishView publishes a static view for a user. func (api *Client) PublishView(userID string, view HomeTabViewRequest, hash string) (*ViewResponse, error) { return api.PublishViewContext(context.Background(), userID, view, hash) } // PublishViewContext publishes a static view for a user with a custom context. func (api *Client) PublishViewContext( ctx context.Context, userID string, view HomeTabViewRequest, hash string, ) (*ViewResponse, error) { if userID == "" { return nil, ErrParametersMissing } req := publishViewRequest{ UserID: userID, View: view, Hash: hash, } encoded, err := json.Marshal(req) if err != nil { return nil, err } endpoint := api.endpoint + "views.publish" resp := &ViewResponse{} err = postJSON(ctx, api.httpclient, endpoint, api.token, encoded, resp, api) if err != nil { return nil, err } return resp, resp.Err() } // PushView pushes a view onto the stack of a root view. func (api *Client) PushView(triggerID string, view ModalViewRequest) (*ViewResponse, error) { return api.PushViewContext(context.Background(), triggerID, view) } // PublishViewContext pushes a view onto the stack of a root view with a custom context. func (api *Client) PushViewContext( ctx context.Context, triggerID string, view ModalViewRequest, ) (*ViewResponse, error) { if triggerID == "" { return nil, ErrParametersMissing } req := pushViewRequest{ TriggerID: triggerID, View: view, } encoded, err := json.Marshal(req) if err != nil { return nil, err } endpoint := api.endpoint + "views.push" resp := &ViewResponse{} err = postJSON(ctx, api.httpclient, endpoint, api.token, encoded, resp, api) if err != nil { return nil, err } return resp, resp.Err() } // UpdateView updates an existing view. func (api *Client) UpdateView(view ModalViewRequest, externalID, hash, viewID string) (*ViewResponse, error) { return api.UpdateViewContext(context.Background(), view, externalID, hash, viewID) } // UpdateViewContext updates an existing view with a custom context. func (api *Client) UpdateViewContext( ctx context.Context, view ModalViewRequest, externalID, hash, viewID string, ) (*ViewResponse, error) { if externalID == "" && viewID == "" { return nil, ErrParametersMissing } req := updateViewRequest{ View: view, ExternalID: externalID, Hash: hash, ViewID: viewID, } encoded, err := json.Marshal(req) if err != nil { return nil, err } endpoint := api.endpoint + "views.update" resp := &ViewResponse{} err = postJSON(ctx, api.httpclient, endpoint, api.token, encoded, resp, api) if err != nil { return nil, err } return resp, resp.Err() }