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author | Jeremy Kemper <jeremy@bitsweat.net> | 2005-11-20 04:21:06 +0000 |
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committer | Jeremy Kemper <jeremy@bitsweat.net> | 2005-11-20 04:21:06 +0000 |
commit | 9b9578fa4799f911edbc01ae5b7d30ee874812a0 (patch) | |
tree | caec4877a26001fad87ef35fd19e9249f4bfdc8c /railties/lib/rails_generator/commands.rb | |
parent | 81c5242f43cb45d97b2a56409f8b39b0dba75ac3 (diff) | |
download | rails-9b9578fa4799f911edbc01ae5b7d30ee874812a0.tar.gz rails-9b9578fa4799f911edbc01ae5b7d30ee874812a0.tar.bz2 rails-9b9578fa4799f911edbc01ae5b7d30ee874812a0.zip |
Introducing the session_migration generator. Creates an add_session_table migration. References #2958.
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3098 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
Diffstat (limited to 'railties/lib/rails_generator/commands.rb')
-rw-r--r-- | railties/lib/rails_generator/commands.rb | 48 |
1 files changed, 45 insertions, 3 deletions
diff --git a/railties/lib/rails_generator/commands.rb b/railties/lib/rails_generator/commands.rb index 2038bb5fec..97b23fbf5e 100644 --- a/railties/lib/rails_generator/commands.rb +++ b/railties/lib/rails_generator/commands.rb @@ -55,6 +55,30 @@ module Rails def readme(*args) end + protected + def existing_migrations(file_name) + Dir.glob("db/migrate/[0-9]*_#{file_name}.rb") + end + + def migration_exists?(file_name) + not existing_migrations(file_name).empty? + end + + def current_migration_number + Dir.glob('db/migrate/[0-9]*.rb').inject(0) do |max, file_path| + n = File.basename(file_path).split('_', 2).first.to_i + if n > max then n else max end + end + end + + def next_migration_number + current_migration_number + 1 + end + + def next_migration_string(padding = 3) + "%.#{padding}d" % next_migration_number + end + private # Ask the user interactively whether to force collision. def force_file_collision?(destination) @@ -84,10 +108,10 @@ module Rails begin_mark = template_part_mark(template_options[:begin_mark], template_options[:mark_id]) end_mark = template_part_mark(template_options[:end_mark], template_options[:mark_id]) begin_mark + rendered_part + end_mark - end + end - def template_part_mark(name, id) - "<!--[#{name}:#{id}]-->\n" + def template_part_mark(name, id) + "<!--[#{name}:#{id}]-->\n" end end @@ -279,6 +303,12 @@ module Rails end end + # When creating a migration, it knows to find the first available file in db/migrate and use the migration.rb template. + def migration_template(relative_source, relative_destination, template_options = {}) + raise "Another migration is already named #{file_name}: #{existing_migrations(file_name).first}" if migration_exists?(file_name) + template(relative_source, "#{relative_destination}/#{next_migration_string}_#{file_name}.rb", template_options) + end + private # Raise a usage error with an informative WordNet suggestion. # Thanks to Florian Gross (flgr). @@ -385,6 +415,14 @@ end_message def complex_template(*args) # nothing should be done here end + + # When deleting a migration, it knows to delete every file named "[0-9]*_#{file_name}". + def migration_template(relative_source, relative_destination, template_options = {}) + raise "There is no migration named #{file_name}" unless migration_exists?(file_name) + existing_migrations(file_name).each do |file_path| + file(relative_source, file_path, template_options) + end + end end @@ -417,6 +455,10 @@ end_message def readme(*args) logger.readme args.join(', ') end + + def migration_template(relative_source, relative_destination, options = {}) + logger.migration_template file_name + end end # Update generator's action manifest. |