feat(booking) [PPT-1942] include parent in json

spec/booking_spec.cr

@@ -572,4 +572,47 @@ module PlaceOS::Model
     child_booking.rejected.should eq(true)
     child_booking.rejected_at.should eq(rejected_at_time)
   end
+
+  it "include parent booking in json" do
+    tenant_id = Generator.tenant.id
+    user_one_email = "[email protected]"
+
+    # parent booking
+    parent_booking = Booking.new(
+      booking_type: "room",
+      asset_ids: ["room-1"],
+      booking_start: 1.hour.from_now.to_unix,
+      booking_end: 2.hours.from_now.to_unix,
+      user_email: PlaceOS::Model::Email.new(user_one_email),
+      user_name: "One",
+      booked_by_email: PlaceOS::Model::Email.new(user_one_email),
+      booked_by_name: "One",
+      tenant_id: tenant_id,
+      booked_by_id: "user-1",
+      history: [] of Booking::History
+    ).save!
+
+    # child booking
+    child_booking = Booking.new(
+      booking_type: "asset",
+      asset_ids: ["laptop-1"],
+      booking_start: 1.hour.from_now.to_unix,
+      booking_end: 2.hours.from_now.to_unix,
+      user_email: PlaceOS::Model::Email.new(user_one_email),
+      user_name: "One",
+      booked_by_email: PlaceOS::Model::Email.new(user_one_email),
+      booked_by_name: "One",
+      tenant_id: tenant_id,
+      booked_by_id: "user-1",
+      history: [] of Booking::History,
+      parent_id: parent_booking.id
+    ).save!
+
+    child_booking = Booking.find(child_booking.id)
+    child_booking = Booking.hydrate_parents([child_booking])[0]
+    child_booking_json = JSON.parse(child_booking.to_json).as_h
+    child_booking_json["parent_id"].should eq(parent_booking.id)
+    child_booking_json["linked_parent_booking"].as_h.should_not be_nil
+    child_booking_json["linked_parent_booking"].as_h["id"].should eq(parent_booking.id)
+  end
 end

src/placeos-models/booking.cr

@@ -98,6 +98,9 @@
     @[JSON::Field(key: "linked_bookings", ignore_deserialize: true)]
     getter(children : Array(Booking)?) { get_children }
 
+    @[JSON::Field(key: "linked_parent_booking", ignore_deserialize: true)]
+    property(parent : Booking?) { get_parent }
+
     @[JSON::Field(key: "attendees", ignore_serialize: true)]
     property req_attendees : Array(PlaceCalendar::Event::Attendee)? = nil
 
@@ -675,6 +678,25 @@
       Booking.where(parent_id: id).to_a
     end
 
+    private def get_parent
+      return nil unless !parent?
+      Booking.where(id: parent_id).to_a[0]
+    end
+
+    def self.hydrate_parents(bookings : Array(Booking))
+      parent_ids = bookings.compact_map(&.parent_id).uniq!
+      parents = Booking.where(id: parent_ids).to_a
+      parents_by_id = parents.index_by(&.id)
+      bookings.each do |booking|
+        next if booking.parent_id.nil?
+        if parent = parents_by_id[booking.parent_id]?
+          booking.parent = parent
+        end
+      end
+
+      bookings
+    end
+
     # ===
     # booking to event relationship
     # ===