Allow anon controlled metapurses

app/models/metapurse.rb

@@ -1,5 +1,5 @@
 class Metapurse < ActiveRecord::Base
-  belongs_to :user
+  belongs_to :user, optional: true
   def icpswap_pool_data_raw
     icpswap_pool_data_raw = `dfx --identity anonymous canister --network=ic call ggzvv-5qaaa-aaaag-qck7a-cai getAllPools`
   end

app/policies/metapurse_policy.rb

@@ -38,11 +38,11 @@ class MetapursePolicy
   end
 
   def create?
-    @user.admin? || @user.signed_in?
+    @user.admin? || @user.signed_in? || true
   end
 
   def new?
-    @user.admin? || @user.signed_in?
+    @user.admin? || @user.signed_in? || true
   end
 
   def edit?
@@ -50,7 +50,7 @@ class MetapursePolicy
   end
 
   def update?
-    @user.admin? || @metapurse.user == @user
+    @user.admin? || @metapurse.user == @user || @metapurse.user == nil
   end
 
   def destroy?

db/migrate/20240325135707_change_column_user_id_on_meta_purse.rb

@@ -0,0 +1,5 @@
+class ChangeColumnUserIdOnMetaPurse < ActiveRecord::Migration[7.1]
+  def change
+    change_column :metapurses, :user_id, :integer, null: true
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.1].define(version: 2024_03_10_122622) do
+ActiveRecord::Schema[7.1].define(version: 2024_03_25_135707) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -112,7 +112,7 @@ ActiveRecord::Schema[7.1].define(version: 2024_03_10_122622) do
     t.text "data"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
-    t.bigint "user_id", null: false
+    t.integer "user_id"
     t.index ["user_id"], name: "index_metapurses_on_user_id"
   end