mirror of
https://github.com/Luzifer/twitch-bot.git
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272 lines
11 KiB
Go
272 lines
11 KiB
Go
package twitch
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"net/http"
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"time"
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"github.com/mitchellh/hashstructure/v2"
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"github.com/pkg/errors"
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)
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// Collection of known EventSub event-types
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const (
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EventSubEventTypeChannelAdBreakBegin = "channel.ad_break.begin"
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EventSubEventTypeChannelFollow = "channel.follow"
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EventSubEventTypeChannelPointCustomRewardRedemptionAdd = "channel.channel_points_custom_reward_redemption.add"
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EventSubEventTypeChannelRaid = "channel.raid"
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EventSubEventTypeChannelShoutoutCreate = "channel.shoutout.create"
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EventSubEventTypeChannelShoutoutReceive = "channel.shoutout.receive"
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EventSubEventTypeChannelUpdate = "channel.update"
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EventSubEventTypeChannelPollBegin = "channel.poll.begin"
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EventSubEventTypeChannelPollEnd = "channel.poll.end"
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EventSubEventTypeChannelPollProgress = "channel.poll.progress"
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EventSubEventTypeStreamOffline = "stream.offline"
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EventSubEventTypeStreamOnline = "stream.online"
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EventSubEventTypeUserAuthorizationRevoke = "user.authorization.revoke"
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)
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// Collection of topic versions known to the API
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const (
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EventSubTopicVersion1 = "1"
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EventSubTopicVersion2 = "2"
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EventSubTopicVersionBeta = "beta"
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)
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type (
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// EventSubCondition defines the condition the subscription should
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// listen on - all fields are optional and those defined in the
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// EventSub documentation for the given topic should be set
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EventSubCondition struct {
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BroadcasterUserID string `json:"broadcaster_user_id,omitempty"`
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CampaignID string `json:"campaign_id,omitempty"`
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CategoryID string `json:"category_id,omitempty"`
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ClientID string `json:"client_id,omitempty"`
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ExtensionClientID string `json:"extension_client_id,omitempty"`
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FromBroadcasterUserID string `json:"from_broadcaster_user_id,omitempty"`
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OrganizationID string `json:"organization_id,omitempty"`
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RewardID string `json:"reward_id,omitempty"`
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ToBroadcasterUserID string `json:"to_broadcaster_user_id,omitempty"`
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UserID string `json:"user_id,omitempty"`
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ModeratorUserID string `json:"moderator_user_id,omitempty"`
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}
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// EventSubEventAdBreakBegin contains the payload for an AdBreak event
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EventSubEventAdBreakBegin struct {
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Duration int64 `json:"duration_seconds"`
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Timestamp time.Time `json:"timestamp"`
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IsAutomatic bool `json:"is_automatic"`
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BroadcasterUserID string `json:"broadcaster_user_id"`
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BroadcasterUserLogin string `json:"broadcaster_user_login"`
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BroadcasterUserName string `json:"broadcaster_user_name"`
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RequesterUserID string `json:"requester_user_id"`
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RequesterUserLogin string `json:"requester_user_login"`
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RequesterUserName string `json:"requester_user_name"`
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}
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// EventSubEventChannelPointCustomRewardRedemptionAdd contains the
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// payload for an channel-point redeem event
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EventSubEventChannelPointCustomRewardRedemptionAdd struct {
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ID string `json:"id"`
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BroadcasterUserID string `json:"broadcaster_user_id"`
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BroadcasterUserLogin string `json:"broadcaster_user_login"`
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BroadcasterUserName string `json:"broadcaster_user_name"`
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UserID string `json:"user_id"`
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UserLogin string `json:"user_login"`
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UserName string `json:"user_name"`
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UserInput string `json:"user_input"`
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Status string `json:"status"`
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Reward struct {
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ID string `json:"id"`
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Title string `json:"title"`
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Cost int64 `json:"cost"`
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Prompt string `json:"prompt"`
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} `json:"reward"`
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RedeemedAt time.Time `json:"redeemed_at"`
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}
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// EventSubEventChannelUpdate contains the payload for a channel
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// update event
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EventSubEventChannelUpdate struct {
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BroadcasterUserID string `json:"broadcaster_user_id"`
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BroadcasterUserLogin string `json:"broadcaster_user_login"`
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BroadcasterUserName string `json:"broadcaster_user_name"`
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Title string `json:"title"`
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Language string `json:"language"`
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CategoryID string `json:"category_id"`
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CategoryName string `json:"category_name"`
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ContentClassificationLabels []string `json:"content_classification_labels"`
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}
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// EventSubEventFollow contains the payload for a follow event
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EventSubEventFollow struct {
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UserID string `json:"user_id"`
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UserLogin string `json:"user_login"`
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UserName string `json:"user_name"`
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BroadcasterUserID string `json:"broadcaster_user_id"`
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BroadcasterUserLogin string `json:"broadcaster_user_login"`
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BroadcasterUserName string `json:"broadcaster_user_name"`
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FollowedAt time.Time `json:"followed_at"`
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}
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// EventSubEventPoll contains the payload for a poll change event
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// (not all fields are present in all poll events, see docs!)
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EventSubEventPoll struct {
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ID string `json:"id"`
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BroadcasterUserID string `json:"broadcaster_user_id"`
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BroadcasterUserLogin string `json:"broadcaster_user_login"`
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BroadcasterUserName string `json:"broadcaster_user_name"`
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Title string `json:"title"`
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Choices []struct {
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ID string `json:"id"`
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Title string `json:"title"`
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ChannelPointsVotes int `json:"channel_points_votes"`
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Votes int `json:"votes"`
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} `json:"choices"`
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ChannelPointsVoting struct {
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IsEnabled bool `json:"is_enabled"`
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AmountPerVote int `json:"amount_per_vote"`
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} `json:"channel_points_voting"`
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StartedAt time.Time `json:"started_at"` // begin, progress, end
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EndsAt time.Time `json:"ends_at,omitempty"` // begin, progress
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Status string `json:"status,omitempty"` // end -- enum(completed, archived, terminated)
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EndedAt time.Time `json:"ended_at,omitempty"` // end
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}
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// EventSubEventRaid contains the payload for a raid event
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EventSubEventRaid struct {
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FromBroadcasterUserID string `json:"from_broadcaster_user_id"`
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FromBroadcasterUserLogin string `json:"from_broadcaster_user_login"`
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FromBroadcasterUserName string `json:"from_broadcaster_user_name"`
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ToBroadcasterUserID string `json:"to_broadcaster_user_id"`
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ToBroadcasterUserLogin string `json:"to_broadcaster_user_login"`
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ToBroadcasterUserName string `json:"to_broadcaster_user_name"`
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Viewers int64 `json:"viewers"`
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}
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// EventSubEventShoutoutCreated contains the payload for a shoutout
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// created event
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EventSubEventShoutoutCreated struct {
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BroadcasterUserID string `json:"broadcaster_user_id"`
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BroadcasterUserLogin string `json:"broadcaster_user_login"`
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BroadcasterUserName string `json:"broadcaster_user_name"`
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ModeratorUserID string `json:"moderator_user_id"`
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ModeratorUserLogin string `json:"moderator_user_login"`
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ModeratorUserName string `json:"moderator_user_name"`
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ToBroadcasterUserID string `json:"to_broadcaster_user_id"`
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ToBroadcasterUserLogin string `json:"to_broadcaster_user_login"`
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ToBroadcasterUserName string `json:"to_broadcaster_user_name"`
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ViewerCount int64 `json:"viewer_count"`
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StartedAt time.Time `json:"started_at"`
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CooldownEndsAt time.Time `json:"cooldown_ends_at"`
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TargetCooldownEndsAt time.Time `json:"target_cooldown_ends_at"`
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}
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// EventSubEventShoutoutReceived contains the payload for a shoutout
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// received event
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EventSubEventShoutoutReceived struct {
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BroadcasterUserID string `json:"broadcaster_user_id"`
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BroadcasterUserLogin string `json:"broadcaster_user_login"`
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BroadcasterUserName string `json:"broadcaster_user_name"`
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FromBroadcasterUserID string `json:"from_broadcaster_user_id"`
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FromBroadcasterUserLogin string `json:"from_broadcaster_user_login"`
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FromBroadcasterUserName string `json:"from_broadcaster_user_name"`
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ViewerCount int64 `json:"viewer_count"`
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StartedAt time.Time `json:"started_at"`
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}
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// EventSubEventStreamOffline contains the payload for a stream
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// offline event
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EventSubEventStreamOffline struct {
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BroadcasterUserID string `json:"broadcaster_user_id"`
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BroadcasterUserLogin string `json:"broadcaster_user_login"`
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BroadcasterUserName string `json:"broadcaster_user_name"`
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}
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// EventSubEventStreamOnline contains the payload for a stream
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// online event
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EventSubEventStreamOnline struct {
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ID string `json:"id"`
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BroadcasterUserID string `json:"broadcaster_user_id"`
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BroadcasterUserLogin string `json:"broadcaster_user_login"`
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BroadcasterUserName string `json:"broadcaster_user_name"`
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Type string `json:"type"`
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StartedAt time.Time `json:"started_at"`
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}
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// EventSubEventUserAuthorizationRevoke contains the payload for an
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// authorization revoke event
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EventSubEventUserAuthorizationRevoke struct {
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ClientID string `json:"client_id"`
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UserID string `json:"user_id"`
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UserLogin string `json:"user_login"`
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UserName string `json:"user_name"`
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}
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eventSubSubscription struct {
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ID string `json:"id,omitempty"` // READONLY
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Status string `json:"status,omitempty"` // READONLY
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Type string `json:"type"`
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Version string `json:"version"`
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Cost int64 `json:"cost,omitempty"` // READONLY
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Condition EventSubCondition `json:"condition"`
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Transport eventSubTransport `json:"transport"`
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CreatedAt time.Time `json:"created_at,omitempty"` // READONLY
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}
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eventSubTransport struct {
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Method string `json:"method"`
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Callback string `json:"callback"`
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Secret string `json:"secret"`
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SessionID string `json:"session_id"`
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}
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)
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// Hash generates a hashstructure hash for the condition for comparison
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func (e EventSubCondition) Hash() (string, error) {
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h, err := hashstructure.Hash(e, hashstructure.FormatV2, &hashstructure.HashOptions{TagName: "json"})
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if err != nil {
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return "", errors.Wrap(err, "hashing struct")
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}
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return fmt.Sprintf("%x", h), nil
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}
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func (c *Client) createEventSubSubscriptionWebsocket(ctx context.Context, sub eventSubSubscription) (*eventSubSubscription, error) {
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return c.createEventSubSubscription(ctx, AuthTypeBearerToken, sub)
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}
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func (c *Client) createEventSubSubscription(ctx context.Context, auth AuthType, sub eventSubSubscription) (*eventSubSubscription, error) {
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var (
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buf = new(bytes.Buffer)
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resp struct {
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Total int64 `json:"total"`
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Data []eventSubSubscription `json:"data"`
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Pagination struct {
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Cursor string `json:"cursor"`
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} `json:"pagination"`
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}
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)
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if err := json.NewEncoder(buf).Encode(sub); err != nil {
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return nil, errors.Wrap(err, "assemble subscribe payload")
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}
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if err := c.Request(ctx, ClientRequestOpts{
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AuthType: auth,
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Body: buf,
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Method: http.MethodPost,
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OKStatus: http.StatusAccepted,
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Out: &resp,
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URL: "https://api.twitch.tv/helix/eventsub/subscriptions",
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}); err != nil {
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return nil, errors.Wrap(err, "executing request")
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}
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return &resp.Data[0], nil
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}
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