Pull short id generation into separate class
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parent
36b51d46c7
commit
0a48959cda
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@ -7,7 +7,7 @@ class Comment < ActiveRecord::Base
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:class_name => "Comment"
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has_one :moderation,
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:class_name => "Moderation"
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attr_accessible :comment, :moderation_reason
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attr_accessor :parent_comment_short_id, :current_vote, :previewing,
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@ -23,10 +23,10 @@ class Comment < ActiveRecord::Base
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define_index do
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indexes comment
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indexes user.username, :as => :author
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has "(upvotes - downvotes)", :as => :score, :type => :integer,
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:sortable => true
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has is_deleted
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has created_at
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@ -59,7 +59,7 @@ class Comment < ActiveRecord::Base
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nil
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end
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def as_json(options = {})
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h = super(:only => [
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:short_id,
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@ -83,18 +83,7 @@ class Comment < ActiveRecord::Base
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end
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def assign_short_id_and_upvote
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10.times do |try|
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if try == 10
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raise "too many hash collisions"
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end
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self.short_id = Utils.random_str(6).downcase
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if !Comment.find_by_short_id(self.short_id)
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break
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end
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end
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self.short_id = ShortId.new(self.class).generate
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self.upvotes = 1
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end
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@ -228,7 +217,7 @@ class Comment < ActiveRecord::Base
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self.save(:validate => false)
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Comment.record_timestamps = true
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self.story.update_comment_count!
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end
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@ -276,7 +265,7 @@ class Comment < ActiveRecord::Base
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def generated_markeddown_comment
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Markdowner.to_html(self.comment)
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end
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def comment=(com)
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# TODO: remove remove_mb4 hack
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self[:comment] = com.to_s.rstrip.remove_mb4
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@ -374,7 +363,7 @@ class Comment < ActiveRecord::Base
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return false
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end
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end
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def is_deletable_by_user?(user)
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if user && user.is_moderator?
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return true
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@ -4,7 +4,7 @@ class Invitation < ActiveRecord::Base
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attr_accessible nil
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validate do
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if !email.to_s.match(/\A[^@ ]+@[^ @]+\.[^ @]+\z/)
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unless email.to_s.match(/\A[^@ ]+@[^ @]+\.[^ @]+\z/)
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errors.add(:email, "is not valid")
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end
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end
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42
app/models/short_id.rb
Normal file
42
app/models/short_id.rb
Normal file
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@ -0,0 +1,42 @@
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class ShortId
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attr_accessor :klass, :generation_attempts
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def initialize(klass)
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self.klass = klass
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self.generation_attempts = 0
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end
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def generate
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until (generated_id = candidate_id) && generated_id.valid? do
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self.generation_attempts += 1
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raise 'too many hash collisions' if generation_attempts == 10
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end
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generated_id.to_s
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end
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def candidate_id
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CandidateId.new(klass)
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end
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private
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class CandidateId
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attr_accessor :klass, :id
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def initialize(klass)
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self.klass = klass
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self.id = generate_id
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end
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def to_s
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id
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end
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def generate_id
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Utils.random_str(6).downcase
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end
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def valid?
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!klass.exists?(short_id: id)
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end
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end
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end
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@ -22,7 +22,7 @@ class Story < ActiveRecord::Base
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before_create :assign_short_id
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before_save :log_moderation
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after_create :mark_submitter
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define_index do
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indexes url
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indexes title
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@ -128,17 +128,7 @@ class Story < ActiveRecord::Base
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end
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def assign_short_id
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10.times do |try|
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if try == 10
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raise "too many hash collisions"
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end
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self.short_id = Utils.random_str(6).downcase
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if !Story.find_by_short_id(self.short_id)
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break
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end
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end
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self.short_id = ShortId.new(self.class).generate
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end
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def log_moderation
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@ -201,7 +191,7 @@ class Story < ActiveRecord::Base
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def comments_url
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"#{short_id_url}/#{self.title_as_url}"
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end
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def short_id_url
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Rails.application.routes.url_helpers.root_url + "s/#{self.short_id}"
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end
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@ -262,7 +252,7 @@ class Story < ActiveRecord::Base
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def score
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upvotes - downvotes
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end
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def vote_summary
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r_counts = {}
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Vote.where(:story_id => self.id, :comment_id => nil).each do |v|
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@ -309,7 +299,7 @@ class Story < ActiveRecord::Base
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end
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end
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end
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def tagging_changes
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old_tags_a = self.taggings.reject{|tg| tg.new_record? }.map{|tg|
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tg.tag.tag }.join(" ")
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@ -367,7 +357,7 @@ class Story < ActiveRecord::Base
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return false
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end
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end
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def is_undeletable_by_user?(user)
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if user && user.is_moderator?
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return true
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9
spec/models/comment_spec.rb
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9
spec/models/comment_spec.rb
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@ -0,0 +1,9 @@
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require "spec_helper"
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describe Comment do
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it "should get a short id" do
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c = Comment.make!(:comment => "hello")
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c.short_id.should match(/^\A[a-zA-Z0-9]{1,10}\z/)
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end
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end
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@ -22,3 +22,9 @@ Story.blueprint do
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url { "http://example.com/#{sn}" }
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tags_a { [ "tag1", "tag2" ] }
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end
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Comment.blueprint do
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user_id { User.make!.id }
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story_id { Story.make!.id }
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comment { "comment text #{sn}" }
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end
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