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| 1 | +// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. |
| 2 | +// SPDX-License-Identifier: Apache-2.0 |
| 3 | +package follow_v2 |
| 4 | + |
| 5 | +import ( |
| 6 | + "encoding/json" |
| 7 | + "strings" |
| 8 | + |
| 9 | + "github.com/twitchdev/twitch-cli/internal/events" |
| 10 | + "github.com/twitchdev/twitch-cli/internal/models" |
| 11 | +) |
| 12 | + |
| 13 | +var transportsSupported = map[string]bool{ |
| 14 | + models.TransportWebhook: true, |
| 15 | + models.TransportWebSocket: true, |
| 16 | +} |
| 17 | +var triggers = []string{"follow"} |
| 18 | + |
| 19 | +var triggerMapping = map[string]map[string]string{ |
| 20 | + models.TransportWebhook: { |
| 21 | + "follow": "channel.follow", |
| 22 | + }, |
| 23 | + models.TransportWebSocket: { |
| 24 | + "follow": "channel.follow", |
| 25 | + }, |
| 26 | +} |
| 27 | + |
| 28 | +type Event struct{} |
| 29 | + |
| 30 | +func (e Event) GenerateEvent(params events.MockEventParameters) (events.MockEventResponse, error) { |
| 31 | + var event []byte |
| 32 | + var err error |
| 33 | + |
| 34 | + switch params.Transport { |
| 35 | + case models.TransportWebhook, models.TransportWebSocket: |
| 36 | + body := models.EventsubResponse{ |
| 37 | + Subscription: models.EventsubSubscription{ |
| 38 | + ID: params.ID, |
| 39 | + Status: params.SubscriptionStatus, |
| 40 | + Type: triggerMapping[params.Transport][params.Trigger], |
| 41 | + Version: e.SubscriptionVersion(), |
| 42 | + Condition: models.EventsubCondition{ |
| 43 | + BroadcasterUserID: params.ToUserID, |
| 44 | + ModeratorUserID: params.FromUserID, |
| 45 | + }, |
| 46 | + Transport: models.EventsubTransport{ |
| 47 | + Method: "webhook", |
| 48 | + Callback: "null", |
| 49 | + }, |
| 50 | + Cost: 0, |
| 51 | + CreatedAt: params.Timestamp, |
| 52 | + }, |
| 53 | + Event: models.FollowEventSubEvent{ |
| 54 | + UserID: params.FromUserID, |
| 55 | + UserLogin: params.FromUserName, |
| 56 | + UserName: params.FromUserName, |
| 57 | + BroadcasterUserID: params.ToUserID, |
| 58 | + BroadcasterUserLogin: params.ToUserID, |
| 59 | + BroadcasterUserName: params.ToUserName, |
| 60 | + FollowedAt: params.Timestamp, |
| 61 | + }, |
| 62 | + } |
| 63 | + |
| 64 | + event, err = json.Marshal(body) |
| 65 | + if err != nil { |
| 66 | + return events.MockEventResponse{}, err |
| 67 | + } |
| 68 | + |
| 69 | + // Delete event info if Subscription.Status is not set to "enabled" |
| 70 | + if !strings.EqualFold(params.SubscriptionStatus, "enabled") { |
| 71 | + var i interface{} |
| 72 | + if err := json.Unmarshal([]byte(event), &i); err != nil { |
| 73 | + return events.MockEventResponse{}, err |
| 74 | + } |
| 75 | + if m, ok := i.(map[string]interface{}); ok { |
| 76 | + delete(m, "event") // Matches JSON key defined in body variable above |
| 77 | + } |
| 78 | + |
| 79 | + event, err = json.Marshal(i) |
| 80 | + if err != nil { |
| 81 | + return events.MockEventResponse{}, err |
| 82 | + } |
| 83 | + } |
| 84 | + default: |
| 85 | + return events.MockEventResponse{}, nil |
| 86 | + } |
| 87 | + |
| 88 | + return events.MockEventResponse{ |
| 89 | + ID: params.ID, |
| 90 | + JSON: event, |
| 91 | + FromUser: params.FromUserID, |
| 92 | + ToUser: params.ToUserID, |
| 93 | + }, nil |
| 94 | +} |
| 95 | + |
| 96 | +func (e Event) ValidTransport(transport string) bool { |
| 97 | + return transportsSupported[transport] |
| 98 | +} |
| 99 | + |
| 100 | +func (e Event) ValidTrigger(trigger string) bool { |
| 101 | + for _, t := range triggers { |
| 102 | + if t == trigger { |
| 103 | + return true |
| 104 | + } |
| 105 | + } |
| 106 | + return false |
| 107 | +} |
| 108 | +func (e Event) GetTopic(transport string, trigger string) string { |
| 109 | + return triggerMapping[transport][trigger] |
| 110 | +} |
| 111 | +func (e Event) GetAllTopicsByTransport(transport string) []string { |
| 112 | + allTopics := []string{} |
| 113 | + for _, topic := range triggerMapping[transport] { |
| 114 | + allTopics = append(allTopics, topic) |
| 115 | + } |
| 116 | + return allTopics |
| 117 | +} |
| 118 | +func (e Event) GetEventSubAlias(t string) string { |
| 119 | + // check for aliases |
| 120 | + for trigger, topic := range triggerMapping[models.TransportWebhook] { |
| 121 | + if topic == t { |
| 122 | + return trigger |
| 123 | + } |
| 124 | + } |
| 125 | + return "" |
| 126 | +} |
| 127 | + |
| 128 | +func (e Event) SubscriptionVersion() string { |
| 129 | + return "2" |
| 130 | +} |
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