Add unique index on saved annotations title

dodona-edu · May 11, 2022 · ce9fe83 · ce9fe83
1 parent 6e54792
commit ce9fe83
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Showing 3 changed files with 7 additions and 2 deletions.
diff --git a/app/models/saved_annotation.rb b/app/models/saved_annotation.rb
@@ -12,7 +12,7 @@
 #  updated_at      :datetime         not null
 #
 class SavedAnnotation < ApplicationRecord
-  validates :title, presence: true
+  validates :title, presence: true, uniqueness: { scope: %i[user_id exercise_id course_id] }
   validates :annotation_text, presence: true
 
   belongs_to :user

diff --git a/db/migrate/20220502130036_create_saved_annotations.rb b/db/migrate/20220502130036_create_saved_annotations.rb
@@ -3,11 +3,13 @@ def change
     create_table :saved_annotations do |t|
       t.string :title, null: false
       t.text :annotation_text, size: :medium
-      t.integer :user_id, foreign_key: true, type: :integer, null: false
+      t.references :user, foreign_key: true, type: :integer, null: false
       t.references :exercise, foreign_key: { to_table: :activities }, type: :integer, null: false
       t.references :course, foreign_key: true, type: :integer, null: false
 
       t.timestamps
+
+      t.index [:title, :user_id, :exercise_id, :course_id], unique: true, name: "index_saved_annotations_title_uid_eid_cid"
     end
 
     change_table :annotations do |t|

diff --git a/db/schema.rb b/db/schema.rb
@@ -389,6 +389,8 @@
     t.datetime "updated_at", null: false
     t.index ["course_id"], name: "index_saved_annotations_on_course_id"
     t.index ["exercise_id"], name: "index_saved_annotations_on_exercise_id"
+    t.index ["title", "user_id", "exercise_id", "course_id"], name: "index_saved_annotations_title_uid_eid_cid", unique: true
+    t.index ["user_id"], name: "index_saved_annotations_on_user_id"
   end
 
   create_table "score_items", charset: "utf8mb4", collation: "utf8mb4_unicode_ci", force: :cascade do |t|
@@ -539,6 +541,7 @@
   add_foreign_key "rights_requests", "users"
   add_foreign_key "saved_annotations", "activities", column: "exercise_id"
   add_foreign_key "saved_annotations", "courses"
+  add_foreign_key "saved_annotations", "users"
   add_foreign_key "score_items", "evaluation_exercises"
   add_foreign_key "scores", "feedbacks"
   add_foreign_key "scores", "score_items"