Use Omniauthable user model with admin role

db/schema.rb

@@ -10,24 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2019_02_02_113250) do
-
-  create_table "admins", force: :cascade do |t|
-    t.string "email", default: "", null: false
-    t.string "encrypted_password", default: "", null: false
-    t.string "reset_password_token"
-    t.datetime "reset_password_sent_at"
-    t.datetime "remember_created_at"
-    t.integer "sign_in_count", default: 0, null: false
-    t.datetime "current_sign_in_at"
-    t.datetime "last_sign_in_at"
-    t.string "current_sign_in_ip"
-    t.string "last_sign_in_ip"
-    t.datetime "created_at"
-    t.datetime "updated_at"
-    t.index ["email"], name: "index_admins_on_email", unique: true
-    t.index ["reset_password_token"], name: "index_admins_on_reset_password_token", unique: true
-  end
+ActiveRecord::Schema.define(version: 2019_02_03_164629) do
 
   create_table "problems", force: :cascade do |t|
     t.datetime "created_at"
@@ -46,4 +29,14 @@ ActiveRecord::Schema.define(version: 2019_02_02_113250) do
     t.index ["problem_id"], name: "index_translations_on_problem_id"
   end
 
+  create_table "users", force: :cascade do |t|
+    t.string "provider", null: false
+    t.string "uid", null: false
+    t.integer "role", default: 0
+    t.datetime "remember_created_at"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.string "name"
+  end
+
 end