Branch specific databases

.standard.yml

@@ -5,3 +5,4 @@ ignore:
   - '.git/**/*'
   - 'build/**/*'
   - 'rubies/**/*'
+  - 'db/*schema.rb'

app/models/color_schemes/seed.rb

@@ -0,0 +1,37 @@
+class ColorSchemes::Seed
+  def seed_all
+    seed_1500
+    seed_ui
+  end
+
+  def seed_ui
+    hex_json_uicolors = JSON.parse(File.read("./script/colors/data/uicolors-palette-hex.json"))
+    hex_json_uicolors.each do |name, weights|
+      custom_name = "Custom #{name.titleize}"
+      ColorScheme.find_or_create_by!(name: custom_name) do |cs|
+        weights.each do |weight, css|
+          cs.set_weight(weight, css)
+        end
+      end
+    end
+  end
+
+  def seed_1500
+    # Generate ColorScheme rows from precalcated JSON
+    # "hex json" files are expected to represent JSON objects of color scales: { name: { weight: color, ... }, ...
+
+    if !File.exist?("./script/colors/tmp/1500-palette-hex.json")
+      puts "Run `rake color_schemes:generate_1500` first to generate 1500-palette-hex.json"
+      exit
+    end
+
+    hex_json_1500 = JSON.parse(File.read("./script/colors/tmp/1500-palette-hex.json"))
+    hex_json_1500.each do |name, weights|
+      ColorScheme.find_or_create_by!(name: name) do |cs|
+        weights.each do |weight, css|
+          cs.set_weight(weight, css)
+        end
+      end
+    end
+  end
+end

config/database.yml

@@ -16,7 +16,9 @@ default: &default
 development:
   primary:
     <<: *default
-    database: storage/development/data.sqlite3
+    # Why read the branch name? So we can support having a separate database for each branch in development.
+    # For more info, see: https://fractaledmind.github.io/2023/09/06/enhancing-rails-sqlite-branch-databases/
+    database: storage/development/data-<%= (`git branch --show-current`.chomp || 'default').parameterize %>.sqlite3
     pragmas:
       mmap_size: <%= 128 * 1024 * 1024 %> # 128MB
   cache:

config/environments/development.rb

@@ -92,4 +92,10 @@
   config.solid_queue.connects_to = {database: {writing: :queue, reading: :queue}}
 
   config.log_level = ENV.fetch("RAILS_LOG_LEVEL", "debug")
+
+  # With branch-specific databases for development defined in config/database.yml
+  # we need to prepare the databases before starting the server
+  config.after_initialize do
+    ActiveRecord::Tasks::DatabaseTasks.prepare_all
+  end
 end

db/cable_schema.rb

@@ -20,4 +20,5 @@
     t.index ["channel_hash"], name: "index_solid_cable_messages_on_channel_hash"
     t.index ["created_at"], name: "index_solid_cable_messages_on_created_at"
   end
+
 end

db/cache_schema.rb

@@ -29,4 +29,5 @@
     t.index ["key_hash", "byte_size"], name: "index_solid_cache_entries_on_key_hash_and_byte_size"
     t.index ["key_hash"], name: "index_solid_cache_entries_on_key_hash", unique: true
   end
+
 end

lib/tasks/color_schemes/seed.rake

@@ -1,19 +1,7 @@
 namespace :color_schemes do
   desc "Seed color schemes from JSON files"
   task seed: :environment do
-    # Generate ColorScheme rows from precalcated JSON
-    # "hex json" files are expected to represent JSON objects of color scales: { name: { weight: color, ... }, ...
-
-    if !File.exist?("./script/colors/tmp/1500-palette-hex.json")
-      puts "Run `rake color_schemes:generate_1500` first to generate 1500-palette-hex.json"
-      exit
-    end
-
-    hex_json_1500 = JSON.parse(File.read("./script/colors/tmp/1500-palette-hex.json"))
-    ColorScheme.bulk_load(hex_json_1500)
-
-    hex_json_uicolors = JSON.parse(File.read("./script/colors/data/uicolors-palette-hex.json"))
-    ColorSchme.bulk_load(hex_json_uicolors) { |name| "Custom #{name.titleize}" }
+    ColorSchemes::Seed.new.seed_all
   end
 
   task :generate_1500 do

lib/tasks/development/prune.rake

@@ -0,0 +1,7 @@
+namespace :development do
+  desc "Prune branch-specific databases"
+  task :prune_data do
+    Dir["storage/development/data-*.sqlite3"]
+      .each { |file| File.delete(file) && puts("Deleted #{file}") }
+  end
+end

spec/fixtures/example_file_for_app_file_test.rb

@@ -0,0 +1,5 @@
+class ExampleFileForAppFileTest
+  def hello
+    puts "Hello World"
+  end
+end

spec/models/color_schemes/seed_spec.rb

@@ -0,0 +1,17 @@
+require "rails_helper"
+
+RSpec.describe ColorSchemes::Seed do
+  describe "#seed_all" do
+    it "creates color scheme data and is idempotent" do
+      aggregate_failures do
+        expect {
+          described_class.new.seed_all
+        }.to change(ColorScheme, :count).by_at_least 100
+
+        expect {
+          described_class.new.seed_all
+        }.not_to change(ColorScheme, :count)
+      end
+    end
+  end
+end