mirror of
https://github.com/diamondburned/arikawa.git
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330 lines
11 KiB
Go
330 lines
11 KiB
Go
package api
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import (
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"mime/multipart"
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"strconv"
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"github.com/pkg/errors"
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"github.com/diamondburned/arikawa/v3/discord"
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"github.com/diamondburned/arikawa/v3/utils/json/option"
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"github.com/diamondburned/arikawa/v3/utils/sendpart"
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)
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var EndpointInteractions = Endpoint + "interactions/"
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type InteractionResponseType uint
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// https://discord.com/developers/docs/interactions/slash-commands#interaction-response-object-interaction-callback-type
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const (
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PongInteraction InteractionResponseType = iota + 1
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_
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_
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MessageInteractionWithSource
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DeferredMessageInteractionWithSource
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DeferredMessageUpdate
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UpdateMessage
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AutocompleteResult
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ModalResponse
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)
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// InteractionResponseFlags implements flags for an
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// InteractionApplicationCommandCallbackData.
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//
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// Deprecated: use discord.MessageFlags instead.
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type InteractionResponseFlags = discord.MessageFlags
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// EphemeralMessage specifies whether the message is only visible to the user
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// who invoked the Interaction.
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//
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// Deprecated: use discord.EphemeralMessage instead.
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const EphemeralResponse InteractionResponseFlags = discord.EphemeralMessage
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type InteractionResponse struct {
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Type InteractionResponseType `json:"type"`
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Data *InteractionResponseData `json:"data,omitempty"`
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}
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// NeedsMultipart returns true if the InteractionResponse has files.
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func (resp InteractionResponse) NeedsMultipart() bool {
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return resp.Data != nil && resp.Data.NeedsMultipart()
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}
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func (resp InteractionResponse) WriteMultipart(body *multipart.Writer) error {
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return sendpart.Write(body, resp, resp.Data.Files)
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}
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// InteractionResponseData is InteractionApplicationCommandCallbackData in the
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// official documentation.
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type InteractionResponseData struct {
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// Content are the message contents (up to 2000 characters).
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//
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// Required: one of content, file, embeds
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Content option.NullableString `json:"content,omitempty"`
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// TTS is true if this is a TTS message.
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TTS bool `json:"tts,omitempty"`
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// Embeds contains embedded rich content.
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//
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// Required: one of content, file, embeds
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Embeds *[]discord.Embed `json:"embeds,omitempty"`
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// Components is the list of components (such as buttons) to be attached to
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// the message.
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Components *discord.ContainerComponents `json:"components,omitempty"`
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// AllowedMentions are the allowed mentions for the message.
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AllowedMentions *AllowedMentions `json:"allowed_mentions,omitempty"`
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// Flags are the interaction application command callback data flags.
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// Only SuppressEmbeds and EphemeralMessage may be set.
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Flags discord.MessageFlags `json:"flags,omitempty"`
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// Files represents a list of files to upload. This will not be
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// JSON-encoded and will only be available through WriteMultipart.
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Files []sendpart.File `json:"-"`
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// Choices are the results to display on autocomplete interaction events.
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//
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// During all other events, this should not be provided.
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Choices AutocompleteChoices `json:"choices"`
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// CustomID used with the modal
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CustomID option.NullableString `json:"custom_id,omitempty"`
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// Title is the heading of the modal window
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Title option.NullableString `json:"title,omitempty"`
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}
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// NeedsMultipart returns true if the InteractionResponseData has files.
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func (d InteractionResponseData) NeedsMultipart() bool {
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return len(d.Files) > 0
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}
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func (d InteractionResponseData) WriteMultipart(body *multipart.Writer) error {
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return sendpart.Write(body, d, d.Files)
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}
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// AutocompleteChoices are the choices to send back to Discord when sending a
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// ApplicationCommandAutocompleteResult interaction response.
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//
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// The following types implement this interface:
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//
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// - AutocompleteStringChoices
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// - AutocompleteIntegerChoices
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// - AutocompleteNumberChoices
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//
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type AutocompleteChoices interface {
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choices()
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}
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// AutocompleteStringChoices are string choices to send back to Discord as
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// autocomplete results.
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type AutocompleteStringChoices []discord.StringChoice
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func (c AutocompleteStringChoices) choices() {}
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// AutocompleteIntegerChoices are integer choices to send back to Discord as
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// autocomplete results.
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type AutocompleteIntegerChoices []discord.IntegerChoice
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func (c AutocompleteIntegerChoices) choices() {}
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// AutocompleteNumberChoices are number choices to send back to Discord as
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// autocomplete results.
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type AutocompleteNumberChoices []discord.NumberChoice
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func (c AutocompleteNumberChoices) choices() {}
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// RespondInteraction responds to an incoming interaction. It is also known as
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// an "interaction callback".
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func (c *Client) RespondInteraction(
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id discord.InteractionID, token string, resp InteractionResponse) error {
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if resp.Data != nil {
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switch resp.Type {
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case MessageInteractionWithSource:
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// A new message is being created, make sure none of the fields
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// are null or empty.
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if (resp.Data.Content == nil || resp.Data.Content.Val == "") &&
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(resp.Data.Embeds == nil || len(*resp.Data.Embeds) == 0) &&
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len(resp.Data.Files) == 0 {
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return ErrEmptyMessage
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}
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case UpdateMessage:
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// A component is being updated. We therefore don't know what
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// fields are filled. The only thing we can check is if content,
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// embeds and files are null.
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if (resp.Data.Content != nil && !resp.Data.Content.Init) &&
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(resp.Data.Embeds != nil && *resp.Data.Embeds == nil) && len(resp.Data.Files) == 0 {
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return ErrEmptyMessage
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}
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}
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if resp.Data.AllowedMentions != nil {
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if err := resp.Data.AllowedMentions.Verify(); err != nil {
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return errors.Wrap(err, "allowedMentions error")
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}
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}
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if resp.Data.Embeds != nil {
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sum := 0
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for i, embed := range *resp.Data.Embeds {
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if err := embed.Validate(); err != nil {
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return errors.Wrap(err, "embed error at "+strconv.Itoa(i))
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}
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sum += embed.Length()
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if sum > 6000 {
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return &discord.OverboundError{Count: sum, Max: 6000, Thing: "sum of all text in embeds"}
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}
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(*resp.Data.Embeds)[i] = embed // embed.Validate changes fields
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}
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}
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}
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URL := EndpointInteractions + id.String() + "/" + token + "/callback"
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return sendpart.POST(c.Client, resp, nil, URL)
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}
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// InteractionResponse returns the initial interaction response.
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func (c *Client) InteractionResponse(
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appID discord.AppID, token string) (*discord.Message, error) {
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var m *discord.Message
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return m, c.RequestJSON(
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&m, "GET",
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EndpointWebhooks+appID.String()+"/"+token+"/messages/@original")
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}
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type EditInteractionResponseData struct {
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// Content are the new message contents (up to 2000 characters).
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Content option.NullableString `json:"content,omitempty"`
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// Embeds contains embedded rich content.
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Embeds *[]discord.Embed `json:"embeds,omitempty"`
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// Components contains the new components to attach.
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Components *discord.ContainerComponents `json:"components,omitempty"`
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// AllowedMentions are the allowed mentions for the message.
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AllowedMentions *AllowedMentions `json:"allowed_mentions,omitempty"`
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// Attachments are the attached files to keep.
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Attachments *[]discord.Attachment `json:"attachments,omitempty"`
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// Files represents a list of files to upload. This will not be
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// JSON-encoded and will only be available through WriteMultipart.
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Files []sendpart.File `json:"-"`
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}
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// NeedsMultipart returns true if the SendMessageData has files.
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func (data EditInteractionResponseData) NeedsMultipart() bool {
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return len(data.Files) > 0
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}
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func (data EditInteractionResponseData) WriteMultipart(body *multipart.Writer) error {
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return sendpart.Write(body, data, data.Files)
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}
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// EditInteractionResponse edits the initial Interaction response.
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func (c *Client) EditInteractionResponse(
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appID discord.AppID,
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token string, data EditInteractionResponseData) (*discord.Message, error) {
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if data.AllowedMentions != nil {
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if err := data.AllowedMentions.Verify(); err != nil {
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return nil, errors.Wrap(err, "allowedMentions error")
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}
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}
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if data.Embeds != nil {
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sum := 0
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for i, e := range *data.Embeds {
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if err := e.Validate(); err != nil {
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return nil, errors.Wrap(err, "embed error")
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}
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sum += e.Length()
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if sum > 6000 {
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return nil, &discord.OverboundError{Count: sum, Max: 6000, Thing: "sum of text in embeds"}
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}
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(*data.Embeds)[i] = e // e.Validate changes fields
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}
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}
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var msg *discord.Message
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return msg, sendpart.PATCH(c.Client, data, &msg,
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EndpointWebhooks+appID.String()+"/"+token+"/messages/@original")
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}
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// DeleteInteractionResponse deletes the initial interaction response.
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func (c *Client) DeleteInteractionResponse(appID discord.AppID, token string) error {
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return c.FastRequest("DELETE",
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EndpointWebhooks+appID.String()+"/"+token+"/messages/@original")
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}
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// CreateInteractionFollowup creates a followup message for an interaction.
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func (c *Client) CreateInteractionFollowup(
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appID discord.AppID, token string, data InteractionResponseData) (*discord.Message, error) {
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if (data.Content == nil || data.Content.Val == "") &&
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(data.Embeds == nil || len(*data.Embeds) == 0) && len(data.Files) == 0 {
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return nil, ErrEmptyMessage
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}
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if data.AllowedMentions != nil {
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if err := data.AllowedMentions.Verify(); err != nil {
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return nil, errors.Wrap(err, "allowedMentions error")
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}
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}
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if data.Embeds != nil {
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sum := 0
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for i, embed := range *data.Embeds {
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if err := embed.Validate(); err != nil {
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return nil, errors.Wrap(err, "embed error at "+strconv.Itoa(i))
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}
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sum += embed.Length()
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if sum > 6000 {
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return nil, &discord.OverboundError{Count: sum, Max: 6000, Thing: "sum of all text in embeds"}
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}
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(*data.Embeds)[i] = embed // embed.Validate changes fields
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}
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}
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var msg *discord.Message
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return msg, sendpart.POST(
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c.Client, data, &msg, EndpointWebhooks+appID.String()+"/"+token+"?")
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}
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func (c *Client) EditInteractionFollowup(
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appID discord.AppID, messageID discord.MessageID,
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token string, data EditInteractionResponseData) (*discord.Message, error) {
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if data.AllowedMentions != nil {
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if err := data.AllowedMentions.Verify(); err != nil {
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return nil, errors.Wrap(err, "allowedMentions error")
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}
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}
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if data.Embeds != nil {
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sum := 0
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for i, e := range *data.Embeds {
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if err := e.Validate(); err != nil {
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return nil, errors.Wrap(err, "embed error")
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}
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sum += e.Length()
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if sum > 6000 {
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return nil, &discord.OverboundError{Count: sum, Max: 6000, Thing: "sum of text in embeds"}
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}
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(*data.Embeds)[i] = e // e.Validate changes fields
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}
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}
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var msg *discord.Message
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return msg, sendpart.PATCH(c.Client, data, &msg,
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EndpointWebhooks+appID.String()+"/"+token+"/messages/"+messageID.String())
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}
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// DeleteInteractionFollowup deletes a followup message for an interaction.
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func (c *Client) DeleteInteractionFollowup(
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appID discord.AppID, messageID discord.MessageID, token string) error {
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return c.FastRequest("DELETE",
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EndpointWebhooks+appID.String()+"/"+token+"/messages/"+messageID.String())
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}
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