Class: AllSeeingEye::Model

Inherits:
Object
  • Object
show all
Defined in:
lib/all_seeing_eye/model.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Model

Returns a new instance of Model.



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# File 'lib/all_seeing_eye/model.rb', line 132

def initialize
  self.class.field_names.each do |key|
    self.class.send(:attr_accessor, key.to_sym)
  end
  self
end

Instance Attribute Details

#id ⇒ Object

Returns the value of attribute id.



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# File 'lib/all_seeing_eye/model.rb', line 2

def id
  @id
end

#score ⇒ Object

Returns the value of attribute score.



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# File 'lib/all_seeing_eye/model.rb', line 2

def score
  @score
end

Class Method Details

.all(options = {}) ⇒ Object 



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# File 'lib/all_seeing_eye/model.rb', line 43

def self.all(options = {})
  all = AllSeeingEye.redis.sort("allseeingeye:#{self.model_name}:all", :by => 'nosort', :get => "allseeingeye:#{self.model_name}:*").collect{|o| self.load(o)}
  all = all.find_all{|o| o.created_at > options[:start]} if options[:start]
  all = all.find_all{|o| o.created_at < options[:stop]} if options[:stop]
  all
end

.count ⇒ Object 



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# File 'lib/all_seeing_eye/model.rb', line 50

def self.count
  AllSeeingEye.redis.scard("allseeingeye:#{self.model_name}:all").to_i
end

.count_by_field(field, options = {}) ⇒ Object 



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# File 'lib/all_seeing_eye/model.rb', line 54

def self.count_by_field(field, options = {})
  AllSeeingEye.redis.llen("allseeingeye:#{self.model_name}:fields:#{field}:#{options[:value]}").to_i
end

.create(fields) ⇒ Object 



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# File 'lib/all_seeing_eye/model.rb', line 30

def self.create(fields)
  self.new(fields).save
end

.field_keys ⇒ Object 



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# File 'lib/all_seeing_eye/model.rb', line 16

def self.field_keys
  self.fields.keys + ['time_spent']
end

.field_names ⇒ Object 



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# File 'lib/all_seeing_eye/model.rb', line 20

def self.field_names
  (self.field_keys + ['created_at']).flatten
end

.fields ⇒ Object 



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# File 'lib/all_seeing_eye/model.rb', line 12

def self.fields
  AllSeeingEye.configuration[:all_seeing_eye][self.model_name]
end

.find(id) ⇒ Object 



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# File 'lib/all_seeing_eye/model.rb', line 39

def self.find(id)
  self.load(AllSeeingEye.redis["allseeingeye:#{self.model_name}:#{id}"])
end

.find_by_field(field, options = {}) ⇒ Object 



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# File 'lib/all_seeing_eye/model.rb', line 58

def self.find_by_field(field, options = {})
  if options[:value]
    all = AllSeeingEye.redis.sort("allseeingeye:#{self.model_name}:fields:#{field}:#{options[:value]}", :by => 'nosort', :get => "allseeingeye:#{self.model_name}:*", :limit => options[:offset] && options[:limit] ? [options[:offset], options[:limit]] : nil).collect{|o| self.load(o)}
    all = all.find_all{|o| o.created_at > options[:start]} if options[:start]
    all = all.find_all{|o| o.created_at < options[:stop]} if options[:stop]
    all
  else
    options[:start] = options[:start].to_i
    options[:stop] = options[:stop].to_i
    options = {:start => '-inf', :stop => '+inf'}.merge(options)

    AllSeeingEye.redis.zrangebyscore("allseeingeye:#{self.model_name}:fields:#{field}", options[:start], options[:stop], :with_scores => false).collect{|id| self.find(id)}
  end
end

.first ⇒ Object 



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# File 'lib/all_seeing_eye/model.rb', line 106

def self.first
  self.find(AllSeeingEye.redis.zrange("allseeingeye:#{self.model_name}:fields:created_at", 0, 0))
end

.last ⇒ Object 



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# File 'lib/all_seeing_eye/model.rb', line 110

def self.last
  self.find(AllSeeingEye.redis.zrange("allseeingeye:#{self.model_name}:fields:created_at", -1, -1))
end

.list_by_field(field, options = {}) ⇒ Object 



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# File 'lib/all_seeing_eye/model.rb', line 73

def self.list_by_field(field, options = {})
  options = {:start => '-inf', :stop => '+inf', :page => nil}.merge(options)
  limit = if options[:page]
    [(options[:page] - 1) * 10, 10]
  else
    nil
  end

  raw_list, needs_pruning = if options[:value]
    [AllSeeingEye.redis.zrangebyscore("allseeingeye:#{self.model_name}:fields:#{field}:#{options[:value]}:count", '-inf', '+inf', :with_scores => true, :limit => limit), true]
  else
    if AllSeeingEye.redis.exists("allseeingeye:#{self.model_name}:fields:#{field}:count")
      [AllSeeingEye.redis.zrangebyscore("allseeingeye:#{self.model_name}:fields:#{field}:count", '-inf', '+inf', :with_scores => true, :limit => limit), true]
    else
      [AllSeeingEye.redis.zrevrangebyscore("allseeingeye:#{self.model_name}:fields:#{field}", options[:stop], options[:start], :with_scores => true, :limit => limit), false]
    end
  end
  
  list = []
  raw_list.each_with_index do |value, index|
    if index % 2 == 0
      list << [value]
    else
      list.last[1] = value.to_i
    end
  end
  if needs_pruning
    list = list.find_all{|i| i.first.to_i > options[:start]} if options[:start] && options[:start] != '-inf'
    list = list.find_all{|i| i.first.to_i < options[:stop]} if options[:stop] && options[:stop] != '+inf'
  end
  list.sort{|a, b| a.first.to_i == 0 ? b.last <=> a.last : a.first <=> b.first}
end

.load(object) ⇒ Object 



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# File 'lib/all_seeing_eye/model.rb', line 34

def self.load(object)
  object = Marshal.load(object)
  object.send(:initialize)
end

.model_name ⇒ Object 



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# File 'lib/all_seeing_eye/model.rb', line 4

def self.model_name
  self.to_s.split('::').last.downcase
end

.new(fields = {}) ⇒ Object 



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# File 'lib/all_seeing_eye/model.rb', line 24

def self.new(fields = {})
  object = super()
  fields.each {|key, value| object.send("#{key}=".to_sym, value)}
  object
end

.next_id ⇒ Object 



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# File 'lib/all_seeing_eye/model.rb', line 8

def self.next_id
  AllSeeingEye.redis.incr("allseeingeye:#{self.model_name}:id")
end

.search(query, options = {}) ⇒ Object 



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# File 'lib/all_seeing_eye/model.rb', line 114

def self.search(query, options = {})
  if query =~ /^[\sa-zA-Z0-9,-]*? to [\sa-zA-Z0-9,-]*?$/
    start = Chronic.parse(query.split(' to ').first, :context => :past).to_i
    stop = Chronic.parse(query.split(' to ').last, :context => :past).to_i
    if options[:count]
      return self.list_by_field('created_at', :start => start, :stop => stop)
    else
      return AllSeeingEye.redis.zrangebyscore("allseeingeye:#{self.model_name}:fields:created_at", start, stop, :with_scores => false).collect{|id| self.find(id)}
    end
  elsif query =~ /^(#{self.field_names.join('|')}):(.*)$/
    if options[:count]
      self.list_by_field($1, :value => $2)
    else
      self.find_by_field($1, :value => $2)
    end
  end
end

Instance Method Details

#save ⇒ Object 



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# File 'lib/all_seeing_eye/model.rb', line 143

def save
  timestamp = (self.created_at.to_i / AllSeeingEye.configuration[:all_seeing_eye]['round_to_seconds']) * AllSeeingEye.configuration[:all_seeing_eye]['round_to_seconds']
  
  AllSeeingEye.redis["allseeingeye:#{self.class.model_name}:#{id}"] = Marshal.dump(self)
  AllSeeingEye.redis.sadd("allseeingeye:#{self.class.model_name}:all", id)
  self.class.field_names.each do |field|
    value = self.send(field.to_sym)
    next if value.nil? || (value.respond_to?(:empty?) && value.empty?)
    if value.is_a?(Time) || value.is_a?(DateTime) || value.is_a?(Date)
      AllSeeingEye.redis.zincrby("allseeingeye:#{self.class.model_name}:fields:#{field}:count", 1, timestamp)
      AllSeeingEye.redis.zadd("allseeingeye:#{self.class.model_name}:fields:#{field}", value.to_i, id)
    else
      AllSeeingEye.redis.zincrby("allseeingeye:#{self.class.model_name}:fields:#{field}:#{value}:count", 1, timestamp)
      AllSeeingEye.redis.lpush("allseeingeye:#{self.class.model_name}:fields:#{field}:#{value}", id)
      AllSeeingEye.redis.zincrby("allseeingeye:#{self.class.model_name}:fields:#{field}", 1, value)
    end
  end
  self
end