feat: Add SubscriptionID to EventSubSubscriptionsParams

eventsub.go

@@ -59,12 +59,13 @@ type EventSubSubscriptionsResponse struct {
 	Data ManyEventSubSubscriptions
 }
 
-// Parameter for filtering subscriptions, currently only the status is filterable
+// Parameter for filtering subscriptions. The filters are mutually exclusive; the request fails if you specify more than one filter (except After).
 type EventSubSubscriptionsParams struct {
-	Status string `query:"status"`
-	Type   string `query:"type"`
-	UserID string `query:"user_id"`
-	After  string `query:"after"`
+	Status         string `query:"status"`
+	Type           string `query:"type"`
+	UserID         string `query:"user_id"`
+	SubscriptionID string `query:"subscription_id"`
+	After          string `query:"after"`
 }
 
 // Parameter for removing a subscription.
@@ -956,7 +957,6 @@ func (c *Client) GetEventSubSubscriptions(params *EventSubSubscriptionsParams) (
 
 // Remove an EventSub Subscription
 func (c *Client) RemoveEventSubSubscription(id string) (*RemoveEventSubSubscriptionParamsResponse, error) {
-
 	resp, err := c.delete("/eventsub/subscriptions", nil, &RemoveEventSubSubscriptionParams{ID: id})
 	if err != nil {
 		return nil, err

eventsub_test.go

@@ -23,6 +23,13 @@ func TestGetEventSubSubscriptions(t *testing.T) {
 			0,
 			`{"error":"Unauthorized","status":401,"message":"OAuth token is missing"}`,
 		},
+		{
+			http.StatusBadRequest,
+			&Options{ClientID: "my-client-id"},
+			&EventSubSubscriptionsParams{Status: "event-sub-status", Type: "event-sub-type", SubscriptionID: "event-sub-id", UserID: "user-id"},
+			0,
+			`{"error":"Bad Request","status":400,"message":"The request may specify only one filter query parameter. For example, either type or status or user_id."}`,
+		},
 		{
 			http.StatusOK,
 			&Options{ClientID: "my-client-id"},
@@ -37,6 +44,13 @@ func TestGetEventSubSubscriptions(t *testing.T) {
 			0,
 			`{"total":1,"data":[],"limit":100000000,"max_total_cost":10000,"total_cost":1,"pagination":{}}`,
 		},
+    {
+      http.StatusOK,
+      &Options{ClientID: "my-client-id"},
+      &EventSubSubscriptionsParams{SubscriptionID: "832389eb-0d0b-41f8-b564-da039f6c4c75"},
+      1,
+      `{"total":1,"data":[{"id":"832389eb-0d0b-41f8-b564-da039f6c4c75","status":"enabled","type":"channel.follow","version":"1","condition":{"broadcaster_user_id":"12345678"},"created_at":"2021-03-09T10:37:32.308415339Z","transport":{"method":"webhook","callback":"https://example.com/eventsub/follow"},"cost":1}],"limit":100000000,"max_total_cost":10000,"total_cost":1,"pagination":{}}`,
+    },
 	}
 
 	for _, testCase := range testCases {