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Add a comment summarizing the current schema to the top or bottom of each of your…
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ActiveRecord models
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Fixture files
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Tests and Specs
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Object Daddy exemplars
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Machinist blueprints
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Fabrication fabricators
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Thoughtbot’s factory_girl factories, i.e. the (spec|test)/factories/<model>_factory.rb files
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routes.rb file (for Rails projects)
The schema comment looks like this:
# == Schema Info # # Table name: line_items # # id :integer(11) not null, primary key # quantity :integer(11) not null # product_id :integer(11) not null # unit_price :float # order_id :integer(11) # class LineItem < ActiveRecord::Base belongs_to :product . . .
It also annotates geometrical columns, geom type and srid, when using SpatialAdapter, PostgisAdapter or PostGISAdapter:
# == Schema Info # # Table name: trips # # local :geometry point, 4326 # path :geometry line_string, 4326
Also, if you pass the -r option, it’ll annotate routes.rb with the output of rake routes.
Into Gemfile from rubygems.org:
gem 'annotate'
Into Gemfile from Github:
gem 'annotate', github: 'ctran/annotate_models'
Into environment gems from rubygems.org:
gem install annotate
Into environment gems from Github checkout:
git clone git://github.com/ctran/annotate_models.git annotate_models cd annotate_models rake build gem install pkg/annotate-*.gem
(If you used the Gemfile install, prefix the below commands with bundle exec.)
To annotate all your models, tests, fixtures, and factories:
cd /path/to/app annotate
To annotate just your models, tests, and factories:
annotate --exclude fixtures
To annotate just your models:
annotate --exclude tests,fixtures,factories,serializers
To annotate routes.rb:
annotate --routes
To remove model/test/fixture/factory/serializer annotations:
annotate --delete
To remove routes.rb annotations:
annotate --routes --delete
To automatically annotate every time you run db:migrate, either run rails g annotate:install or add Annotate.load_tasks to your ‘Rakefile`. See the configuration in Rails section for more info.
Everything above applies, except that --routes is not meaningful, and you will probably need to explicitly set one or more --require option(s), and/or one or more --model-dir options to inform annotate about the structure of your project and help it bootstrap and load the relevant code.
If you want to always skip annotations on a particular model, add this string anywhere in the file:
# -*- SkipSchemaAnnotations
To generate a configuration file (in the form of a .rake file), to set default options:
rails g annotate:install
Edit this file to control things like output format, where annotations are added (top or bottom of file), and in which artifacts.
The generated rakefile lib/tasks/auto_annotate_models.rake also contains ‘Annotate.load_tasks`. This adds a few rake tasks which duplicate command-line functionality:
rake annotate_models # Add schema information (as comments) to model and fixture files rake annotate_routes # Adds the route map to routes.rb rake remove_annotation # Remove schema information from model and fixture files
By default, once you’ve generated a configuration file, annotate will be executed whenever you run rake db:migrate (but only in development mode). If you want to disable this behavior permanently, edit the .rake file and change:
'skip_on_db_migrate' => 'false',
To:
'skip_on_db_migrate' => 'true',
If you want to run rake db:migrate as a one-off without running annotate, you can do so with a simple environment variable, instead of editing the .rake file:
skip_on_db_migrate=1 rake db:migrate
Usage: annotate [options] [model_file]*
-d, --delete Remove annotations from all model files or the routes.rb file
-p, --position [before|top|after|bottom] Place the annotations at the top (before) or the bottom (after) of the model/test/fixture/factory/routes file(s)
--pc, --position-in-class [before|top|after|bottom]
Place the annotations at the top (before) or the bottom (after) of the model file
--pf, --position-in-factory [before|top|after|bottom]
Place the annotations at the top (before) or the bottom (after) of any factory files
--px, --position-in-fixture [before|top|after|bottom]
Place the annotations at the top (before) or the bottom (after) of any fixture files
--pt, --position-in-test [before|top|after|bottom]
Place the annotations at the top (before) or the bottom (after) of any test files
--pr, --position-in-routes [before|top|after|bottom]
Place the annotations at the top (before) or the bottom (after) of the routes.rb file
--ps, --position-in-serializer [before|top|after|bottom]
Place the annotations at the top (before) or the bottom (after) of the serializer files
--w, --wrapper STR Wrap annotation with the text passed as parameter.
If --w option is used, the same text will be used as opening and closing
--wo, --wrapper-open STR Annotation wrapper opening.
--wc, --wrapper-close STR Annotation wrapper closing
-r, --routes Annotate routes.rb with the output of 'rake routes'
-aa, --active-admin Annotate all activeadmin models
-v, --version Show the current version of this gem
-m, --show-migration Include the migration version number in the annotation
-i, --show-indexes List the table's database indexes in the annotation
-k, --show-foreign-keys List the table's foreign key constraints in the annotation
-s, --simple-indexes Concat the column's related indexes in the annotation
--model-dir dir Annotate model files stored in dir rather than app/models, separate multiple dirs with comas
--ignore-model-subdirects Ignore subdirectories of the models directory
--sort Sort columns alphabetically, rather than in creation order
-R, --require path Additional file to require before loading models, may be used multiple times
-e [tests,fixtures,factories,serializers],
--exclude Do not annotate fixtures, test files, factories, and/or serializers
-f [bare|rdoc|markdown], Render Schema Infomation as plain/RDoc/Markdown
--format
--force Force new annotations even if there are no changes.
--timestamp Include timestamp in (routes) annotation
--trace If unable to annotate a file, print the full stack trace, not just the exception message.
-I, --ignore-columns REGEX don't annotate columns that match a given REGEX (i.e., `annotate -I '^(id|updated_at|created_at)'`
By default, columns will be sorted in database order (i.e. the order in which migrations were run).
If you prefer to sort alphabetically so that the results of annotation are consistent regardless of what order migrations are executed in, use --sort.
The format produced is actually MultiMarkdown, making use of the syntax extension for tables. It’s recommended you use kramdown as your parser if you want to use this format. If you’re using yard to generate documentation, specify a format of markdown with kramdown as the provider by adding this to your .yardopts file:
--markup markdown --markup-provider kramdown
Be sure to add this to your Gemfile as well:
gem 'kramdown', :groups => [:development], :require => false
Don’t add text after an automatically-created comment block. This tool will blow away the initial/final comment block in your models if it looks like it was previously added by this gem.
Be sure to check the changes that this tool makes! If you are using Git, you may simply check your project’s status after running annotate:
$ git status
If you are not using a VCS (like Git, Subversion or similar), please tread extra carefully, and consider using one.
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Factory Girl: github.com/thoughtbot/factory_girl
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Object Daddy: github.com/flogic/object_daddy
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Machinist: github.com/notahat/machinist
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Fabrication: github.com/paulelliott/fabrication
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SpatialAdapter: github.com/pdeffendol/spatial_adapter
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PostgisAdapter: github.com/nofxx/postgis_adapter
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PostGISAdapter: github.com/dazuma/activerecord-postgis-adapter
Released under the same license as Ruby. No Support. No Warranty.