Class: Pluto::CreateDb

Inherits:
ActiveRecord::Migration
  • Object
show all
Defined in:
lib/pluto/schema.rb

Instance Method Summary collapse

Instance Method Details

#down ⇒ Object

Raises:

  • (ActiveRecord::IrreversibleMigration) 


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# File 'lib/pluto/schema.rb', line 134

def down
  raise ActiveRecord::IrreversibleMigration
end

#up ⇒ Object 



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# File 'lib/pluto/schema.rb', line 7

def up
  create_table :sites do |t|
    t.string   :title,     :null => false    # e.g Planet Ruby, Planet JavaScript, etc.

    t.string   :key,       :null => false    # e.g. ruby, js, etc.


    ############

    # filters (site-wide)

    t.string   :includes  # regex

    t.string   :excludes  # regex


    ######################

    # for auto-update of feed list/site config


    t.string   :url    # source url for auto-update (optional)


    ## note: make sure to use same fields for update check as feed 


    t.datetime :fetched   #  last fetched/checked date -- make not null ??

    t.integer  :http_code   # last http status code e.g. 200,404,etc.

    t.string   :http_etag    # last http header etag

    ## note: save last-modified header as text (not datetime) - pass through as is

    t.string   :http_last_modified   # last http header last-modified - note: save header as plain text!!! pass along in next request as-is

    t.string   :http_server    # last http server header if present


    # note: do NOT store body content (that is, text) and md5 digest

    #   use git! and github! commit will be http_etag!!


    t.datetime :fetched    # last fetched/checked date


    #############

    # more fields


    t.timestamps  # created_at, updated_at

  end

  create_table :subscriptions do |t|   # has_many join table (sites/feeds)

    t.references :site, :null => false
    t.references :feed, :null => false
    t.timestamps
  end

  create_table :feeds do |t|
    t.string  :title        # user supplied title

    t.string  :auto_title   # "fallback" - auto(fill) title from feed


    t.string  :title2        # user supplied title2

    t.string  :auto_title2   # "fallback" - auto(fill) title2 from feed e.g. subtitle (atom)


    t.string  :url          # user supplied site url

    t.string  :auto_url     # "fallback" - auto(fill) url from feed


    t.string  :feed_url       # user supplied feed url

    t.string  :auto_feed_url  # "fallback" - auto discovery feed url from (site) url


    t.text    :summary    # e.g. description (rss)


    t.string  :generator   # feed generator (e.g. wordpress, etc.)  from feed

    
    t.datetime :published  # from feed published(atom)+ pubDate(rss)

    t.datetime :built      # from feed lastBuiltDate(rss)

    t.datetime :touched    # from feed updated(atom)


    ### extras (move to array for custom fields or similar??)

    t.string   :github   # github handle  (optional)

    t.string   :twitter  # twitter handle (optional)

    t.string   :avatar   # gravator or hackergotchi handle (optional)


    ### add class/kind field e.g.

    # - personal feed/blog/site, that is, individual author

    # - team blog/site

    # - org (anization) or com(pany blog/site)

    # - newsfeed (composite)

    # - other  (link blog?, podcast?) - why? why not??


    ############

    # filters

    t.string   :includes  # regex

    t.string   :excludes  # regex

    # todo: add generic filter list e.g. t.string :filters  (comma,pipe or space separated method names?)


    # -- our own (meta) fields

    t.datetime :last_published # cache last (latest) published for items


    t.string  :key,      :null => false
    t.string  :format      # e.g. atom (1.0), rss 2.0, rss 0.7 etc.


    t.integer  :http_code   # last http status code e.g. 200,404,etc.

    t.string   :http_etag    # last http header etag

    ## note: save last-modified header as text (not datetime) - pass through as is

    t.string   :http_last_modified   # last http header last-modified - note: save header as plain text!!! pass along in next request as-is

    t.string   :http_server    # last http server header if present


    t.string   :md5       # md5 hash of body

    t.text     :body      # last http response body (complete feed!)


    t.datetime :fetched    # last fetched/checked date


    t.timestamps   # created_at, updated_at

  end


  create_table :items do |t|
    t.string   :guid
    t.string   :url

    ## note: title may contain more than 255 chars!! use text for sure!

    ## e.g. Rails Girls blog has massive titles in feed

    
    t.text     :title   # todo: add some :null => false ??

    t.text     :summary  # e.g. description (rss), summary (atom)

    t.text     :content
    
    t.datetime :published   # from feed (published)  + pubDate(rss)

    t.datetime :touched     # from feed updated (atom)


    ## todo: add :last_updated_at ??  (NOTE: updated_at already take by auto-timestamps)

    t.references :feed, :null => false

    t.datetime :fetched   # last fetched/check date

    t.timestamps   # created_at, updated_at


    ## t.string   :author

    ## todo: add author/authors, category/categories

  end

end