Add flipper gem and database migration/tables

Gemfile

@@ -40,6 +40,8 @@ gem 'net-ldap'
 gem "rqrcode", "~> 2.0"
 gem 'rails-settings-cached', '~> 2.8.3'
 gem 'pagy', '~> 6.0', '>= 6.0.2'
+gem 'flipper'
+gem 'flipper-active_record'
 
 # HTTP requests
 gem 'faraday'

Gemfile.lock

@@ -128,6 +128,11 @@ GEM
       ruby2_keywords (>= 0.0.4)
     faraday-net_http (3.0.2)
     ffi (1.15.5)
+    flipper (0.28.0)
+      concurrent-ruby (< 2)
+    flipper-active_record (0.28.0)
+      activerecord (>= 4.2, < 8)
+      flipper (~> 0.28.0)
     fugit (1.7.2)
       et-orbi (~> 1, >= 1.2.7)
       raabro (~> 1.4)
@@ -374,6 +379,8 @@ DEPENDENCIES
   factory_bot_rails
   faker
   faraday
+  flipper
+  flipper-active_record
   importmap-rails
   jbuilder (~> 2.7)
   letter_opener

db/migrate/20230523120753_create_flipper_tables.rb

@@ -0,0 +1,22 @@
+class CreateFlipperTables < ActiveRecord::Migration[7.0]
+  def self.up
+    create_table :flipper_features do |t|
+      t.string :key, null: false
+      t.timestamps null: false
+    end
+    add_index :flipper_features, :key, unique: true
+
+    create_table :flipper_gates do |t|
+      t.string :feature_key, null: false
+      t.string :key, null: false
+      t.string :value
+      t.timestamps null: false
+    end
+    add_index :flipper_gates, [:feature_key, :key, :value], unique: true
+  end
+
+  def self.down
+    drop_table :flipper_gates
+    drop_table :flipper_features
+  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[7.0].define(version: 2023_04_03_135149) do
+ActiveRecord::Schema[7.0].define(version: 2023_05_23_120753) do
   create_table "donations", force: :cascade do |t|
     t.integer "user_id"
     t.integer "amount_sats"
@@ -23,6 +23,22 @@ ActiveRecord::Schema[7.0].define(version: 2023_04_03_135149) do
     t.index ["user_id"], name: "index_donations_on_user_id"
   end
 
+  create_table "flipper_features", force: :cascade do |t|
+    t.string "key", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["key"], name: "index_flipper_features_on_key", unique: true
+  end
+
+  create_table "flipper_gates", force: :cascade do |t|
+    t.string "feature_key", null: false
+    t.string "key", null: false
+    t.string "value"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["feature_key", "key", "value"], name: "index_flipper_gates_on_feature_key_and_key_and_value", unique: true
+  end
+
   create_table "invitations", force: :cascade do |t|
     t.string "token"
     t.integer "user_id"