chore: Make sure survey items are uniq by survey item ids

app/models/survey_item.rb

@@ -7,6 +7,8 @@ class SurveyItem < ActiveRecord::Base
 
   has_many :survey_item_responses
 
+  validates :survey_item_id, uniqueness: true
+
   def score(school:, academic_year:)
     @score ||= Hash.new do |memo, (school, academic_year)|
       memo[[school, academic_year]] =

db/migrate/20241126005312_add_uniqueness_to_survey_item.rb

@@ -0,0 +1,6 @@
+class AddUniquenessToSurveyItem < ActiveRecord::Migration[8.0]
+  def change
+    remove_index :survey_items, :survey_item_id
+    add_index :survey_items, :survey_item_id, unique: 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[8.0].define(version: 2024_10_31_205926) do
+ActiveRecord::Schema[8.0].define(version: 2024_11_26_005312) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_catalog.plpgsql"
 
@@ -495,7 +495,7 @@ ActiveRecord::Schema[8.0].define(version: 2024_10_31_205926) do
     t.boolean "on_short_form", default: false
     t.integer "survey_item_responses_count"
     t.index ["scale_id"], name: "index_survey_items_on_scale_id"
-    t.index ["survey_item_id"], name: "index_survey_items_on_survey_item_id"
+    t.index ["survey_item_id"], name: "index_survey_items_on_survey_item_id", unique: true
   end
 
   add_foreign_key "admin_data_items", "scales"