feat: send/scheduled_at broadcasts (#155)

Author: drish

lib/resend/broadcasts.rb

@@ -7,6 +7,9 @@ class << self
       # https://resend.com/docs/api-reference/broadcasts/create-broadcast
       # @note Supports both segment_id and audience_id. At least one is required.
       #   audience_id is deprecated - use segment_id instead.
+      # @note When send: true is passed, the broadcast is sent immediately instead of
+      #   creating a draft. When using send: true, you can also include scheduled_at
+      #   to schedule the broadcast. Passing scheduled_at without send: true is an error.
       def create(params = {})
         if params[:audience_id] && !params[:segment_id]
           warn "[DEPRECATION] Using audience_id in broadcasts is deprecated. Use segment_id instead."

spec/broadcasts_spec.rb

@@ -42,6 +42,37 @@
       allow_any_instance_of(Resend::Request).to receive(:perform).and_return(resp)
       expect(Resend::Broadcasts.create(params)[:id]).to eql("49a3999c-0ce1-4ea6-ab68-afcd6dc2e794")
     end
+
+    it "should create and send broadcast with send: true" do
+      resp = {
+        "id": "49a3999c-0ce1-4ea6-ab68-afcd6dc2e794"
+      }
+      params = {
+        segment_id: "123123",
+        from: "onboarding@resend.dev",
+        subject: "Hello World",
+        html: "<p>Hello</p>",
+        send: true
+      }
+      allow_any_instance_of(Resend::Request).to receive(:perform).and_return(resp)
+      expect(Resend::Broadcasts.create(params)[:id]).to eql("49a3999c-0ce1-4ea6-ab68-afcd6dc2e794")
+    end
+
+    it "should create and schedule broadcast with send: true and scheduled_at" do
+      resp = {
+        "id": "49a3999c-0ce1-4ea6-ab68-afcd6dc2e794"
+      }
+      params = {
+        segment_id: "123123",
+        from: "onboarding@resend.dev",
+        subject: "Hello World",
+        html: "<p>Hello</p>",
+        send: true,
+        scheduled_at: "in 1 min"
+      }
+      allow_any_instance_of(Resend::Request).to receive(:perform).and_return(resp)
+      expect(Resend::Broadcasts.create(params)[:id]).to eql("49a3999c-0ce1-4ea6-ab68-afcd6dc2e794")
+    end
   end
 
   describe "update" do