Imrpove migrations

db/migrations/003_create_memberships.rb

@@ -18,16 +18,12 @@ Sequel.migration do
       foreign_key :recorded_by, :members,
         type: :Bignum
 
-      DateTime :ended_at
-      String :end_reason
-
       index :status
 
-      # Un seul dossier en attente ou une seule adhésion
-      # en cours par adhérent.
+      # Un seul dossier en attente ou une seule adhésion acceptée.
       index :member_id,
         unique: true,
-        where: { status: ["pending", "accepted"], ended_at: nil }
+        where: { status: ["pending", "accepted"] }
 
       constraint :memberships_status_valid,
         Sequel.lit("status IN ('pending', 'accepted', 'rejected')")
@@ -37,15 +33,7 @@ Sequel.migration do
           "(status = 'pending' AND decided_at IS NULL " \
           "AND recorded_by IS NULL) " \
           "OR (status IN ('accepted', 'rejected') " \
-          "AND decided_at IS NOT NULL AND recorded_by IS NOT NULL)"
-        )
-
-      constraint :memberships_end_consistent,
-        Sequel.lit(
-          "(ended_at IS NULL AND end_reason IS NULL) " \
-          "OR (status = 'accepted' AND ended_at IS NOT NULL " \
-          "AND end_reason IN ('resignation', 'death', " \
-          "'dissolution', 'exclusion'))"
+          "AND decided_at IS NOT NULL)"
         )
     end
   end