refactor buyer and insured and add more policy types

lib/policy_service/aggregates/policy_application.ex

@@ -39,7 +39,8 @@ defmodule PolicyService.Aggregates.PolicyApplication do
       defstruct [
         :id,
         :submitted_by,
-        :applicant_info,
+        :insured,
+        :buyer,
         :policy_details,
         :selected_providers,
         :accepted_plan_id,
@@ -52,13 +53,15 @@ defmodule PolicyService.Aggregates.PolicyApplication do
         endorsements: %{}
       ]
 
-      # ── Execute ────────────────────────────────────────────────────────────
+      # ── Execute ──────────────────────────────────────────────────
 
       @impl Commanded.Aggregates.Aggregate
       def execute(%__MODULE__{state: nil}, %SubmitPolicyApplication{} = cmd) do
         with :ok <- PolicyService.Aggregates.PolicyApplication.validate_policy_id(cmd.id),
              :ok <-
-               PolicyService.Aggregates.PolicyApplication.validate_applicant(cmd.applicant_info),
+               PolicyService.Aggregates.PolicyApplication.validate_insured(cmd.insured),
+             :ok <-
+               PolicyService.Aggregates.PolicyApplication.validate_buyer(cmd.buyer),
              :ok <- validate_details(cmd.policy_details),
              :ok <-
                PolicyService.Aggregates.PolicyApplication.validate_providers(
@@ -70,7 +73,8 @@ defmodule PolicyService.Aggregates.PolicyApplication do
                 id: cmd.id,
                 provider_id: provider.provider_id,
                 provider_email: provider.email,
-                applicant_info: cmd.applicant_info,
+                insured: cmd.insured,
+                buyer: cmd.buyer,
                 policy_details: cmd.policy_details,
                 requested_at: DateTime.utc_now()
               }
@@ -80,7 +84,8 @@ defmodule PolicyService.Aggregates.PolicyApplication do
             %PolicyApplicationSubmitted{
               id: cmd.id,
               submitted_by: cmd.submitted_by,
-              applicant_info: cmd.applicant_info,
+              insured: cmd.insured,
+              buyer: cmd.buyer,
               policy_details: cmd.policy_details,
               selected_providers: cmd.selected_providers,
               submitted_at: DateTime.utc_now()
@@ -178,7 +183,7 @@ defmodule PolicyService.Aggregates.PolicyApplication do
         }
       end
 
-      # ── Apply ──────────────────────────────────────────────────────────────
+      # ── Apply ──────────────────────────────────────────────────────
 
       @impl Commanded.Aggregates.Aggregate
       def apply(%__MODULE__{} = agg, %PolicyApplicationSubmitted{} = e) do
@@ -186,7 +191,8 @@ defmodule PolicyService.Aggregates.PolicyApplication do
           agg
           | id: e.id,
             submitted_by: e.submitted_by,
-            applicant_info: e.applicant_info,
+            insured: e.insured,
+            buyer: e.buyer,
             policy_details: e.policy_details,
             selected_providers: e.selected_providers,
             quotes: %{},
@@ -247,12 +253,17 @@ defmodule PolicyService.Aggregates.PolicyApplication do
   def validate_user(id) when is_binary(id) and byte_size(id) > 0, do: :ok
   def validate_user(_), do: {:error, :missing_user_id}
 
-  def validate_applicant(%{"name" => n, "date_of_birth" => _, "document_id" => d})
+  def validate_insured(%{
+        "type" => "individual",
+        "name" => n,
+        "date_of_birth" => _,
+        "document_id" => d
+      })
       when is_binary(n) and is_binary(d) and byte_size(n) > 0 and byte_size(d) > 0,
       do: :ok
 
-  # Match on string keys for Company
-  def validate_applicant(%{
+  def validate_insured(%{
+        "type" => "corporate",
         "company_name" => c,
         "ruc" => r,
         "legal_rep_name" => rep,
@@ -262,7 +273,29 @@ defmodule PolicyService.Aggregates.PolicyApplication do
              byte_size(c) > 0 and byte_size(r) > 0,
       do: :ok
 
-  def validate_applicant(_), do: {:error, :invalid_applicant_info}
+  def validate_insured(_), do: {:error, :invalid_insured_info}
+
+  def validate_buyer(%{
+        "type" => "individual",
+        "name" => n,
+        "date_of_birth" => _,
+        "document_id" => d
+      })
+      when is_binary(n) and is_binary(d) and byte_size(n) > 0 and byte_size(d) > 0,
+      do: :ok
+
+  def validate_buyer(%{
+        "type" => "corporate",
+        "company_name" => c,
+        "ruc" => r,
+        "legal_rep_name" => rep,
+        "legal_rep_document" => rd
+      })
+      when is_binary(c) and is_binary(r) and is_binary(rep) and is_binary(rd) and
+             byte_size(c) > 0 and byte_size(r) > 0,
+      do: :ok
+
+  def validate_buyer(_), do: {:error, :invalid_buyer_info}
 
   def validate_providers(p) when is_list(p) and length(p) > 0, do: :ok
   def validate_providers(_), do: {:error, :no_providers_selected}