add type specs and fix id issues

lib/workload_service/commands/quote_task.ex

@@ -7,47 +7,53 @@ defmodule WorkloadService.Commands.QuoteTask do
     @moduledoc """
     Command to create a new quote task.
     """
+    @type t :: %__MODULE__{
+      id: WorkloadService.Aggregates.TaskId.t(),
+      application_id: WorkloadService.Aggregates.ApplicationId.t(),
+      task_info: map(),
+      attachments: [String.t()]
+    }
+
     @derive Jason.Encoder
     defstruct [:id, :application_id, :task_info, :attachments]
-
-    def new(attrs) do
-      struct(__MODULE__, attrs)
-    end
   end
 
   defmodule SubmitResponse do
     @moduledoc """
     Command to submit response for a quote task.
     """
+    @type t :: %__MODULE__{
+      id: WorkloadService.Aggregates.TaskId.t(),
+      submission: map(),
+      attachments: [String.t()]
+    }
+
     @derive Jason.Encoder
     defstruct [:id, :submission, :attachments]
-
-    def new(attrs) do
-      struct(__MODULE__, attrs)
-    end
   end
 
   defmodule ApproveSubmission do
     @moduledoc """
     Command to approve submission for a quote task.
     """
+    @type t :: %__MODULE__{
+      id: WorkloadService.Aggregates.TaskId.t()
+    }
+
     @derive Jason.Encoder
     defstruct [:id]
-
-    def new(attrs) do
-      struct(__MODULE__, attrs)
-    end
   end
 
   defmodule CompleteTask do
     @moduledoc """
     Command to complete a quote task.
     """
+    @type t :: %__MODULE__{
+      id: WorkloadService.Aggregates.TaskId.t(),
+      completed_by: String.t()
+    }
+
     @derive Jason.Encoder
     defstruct [:id, :completed_by]
-
-    def new(attrs) do
-      struct(__MODULE__, attrs)
-    end
   end
 end