Class: Wackamole::SearchFilter

Inherits:
Object
  • Object
show all
Defined in:
lib/wackamole/models/search_filter.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ SearchFilter

Ctor



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# File 'lib/wackamole/models/search_filter.rb', line 10

def initialize
  reset!
end

Instance Attribute Details

#browser_type ⇒ Object

Returns the value of attribute browser_type.



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# File 'lib/wackamole/models/search_filter.rb', line 6

def browser_type
  @browser_type
end

#feature_id ⇒ Object

Returns the value of attribute feature_id.



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# File 'lib/wackamole/models/search_filter.rb', line 6

def feature_id
  @feature_id
end

#hour ⇒ Object

Returns the value of attribute hour.



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# File 'lib/wackamole/models/search_filter.rb', line 6

def hour
  @hour
end

#search_terms ⇒ Object

Returns the value of attribute search_terms.



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# File 'lib/wackamole/models/search_filter.rb', line 6

def search_terms
  @search_terms
end

#time_frame ⇒ Object

Returns the value of attribute time_frame.



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# File 'lib/wackamole/models/search_filter.rb', line 6

def time_frame
  @time_frame
end

#type ⇒ Object

Returns the value of attribute type.



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# File 'lib/wackamole/models/search_filter.rb', line 6

def type
  @type
end

Class Method Details

.browser_types ⇒ Object

Available browsers



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# File 'lib/wackamole/models/search_filter.rb', line 27

def self.browser_types
  @browsers ||= [ 'All', 'Unknown', 'Firefox', 'Safari', 'MSIE 8.0', 'MSIE 7.0', 'MSIE 6.0', 'Opera', 'Chrome' ] 
end

.hourlies ⇒ Object

Available hours



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# File 'lib/wackamole/models/search_filter.rb', line 52

def self.hourlies
  @hourlies ||= ['all'] + (1..23).to_a
end

.mole_types ⇒ Object

Collection of mole types



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# File 'lib/wackamole/models/search_filter.rb', line 58

def self.mole_types
  @types ||= %w[All Feature Perf Fault]
end

.time_conds(local_now, days, current_hour = 0) ⇒ Object

compute query time factors



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# File 'lib/wackamole/models/search_filter.rb', line 136

def self.time_conds( local_now, days, current_hour=0 )
  conds = {}

  if current_hour == 0 and days == 0
    from_utc = Time.local( local_now.year, local_now.month, local_now.day, 0, 0, 1 ).utc
    to_utc   = Time.local( local_now.year, local_now.month, local_now.day, 23, 59, 59 ).utc

    from_date_id = from_utc.to_date_id.to_s
    to_date_id   = to_utc.to_date_id.to_s
    
    if from_date_id != to_date_id
      from_time_id = from_utc.to_time_id.to_s
      to_time_id   = to_utc.to_time_id.to_s        
      conds['$where'] = "((this.did == '#{from_date_id}' && this.tid >= '#{from_time_id}') || ( this.did == '#{to_date_id}' && this.tid <= '#{to_time_id}') )"
    else        
      conds[:did] = to_date_id
    end
  else
    date         = Chronic.parse( "#{days == 0 ? "now" : "#{days} days ago"}" )
    time         = Time.gm( date.year, date.month, date.day, current_hour, 0, 1 )
puts "!!!!!TIME", time.inspect        
    conds[:did]  = { '$gte' => time.to_date_id.to_s }         
    conds[:tid]  = /^#{"%02d"%time.hour}.+/ unless current_hour == 0
  end
  conds
end

.time_frames ⇒ Object

Available time frames



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# File 'lib/wackamole/models/search_filter.rb', line 33

def self.time_frames
  @time_frames ||= ['today', '2 days', '1 week', '2 weeks', '1 month', '3 months', '6 months', '1 year' ]
end

.time_frames_in_days ⇒ Object 



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# File 'lib/wackamole/models/search_filter.rb', line 37

def self.time_frames_in_days
  @time_frame_in_days ||= {
    'today'    => 0,
    '2 days'   => 1,
    '1 week'   => 7,
    '2 weeks'  => 14, 
    '1 month'  => 30,
    '3 months' => 90,
    '6 months' => 180,
    '1 year'   => 360 
  }
end

Instance Method Details

#context_for(f) ⇒ Object

Retrieves feature context



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# File 'lib/wackamole/models/search_filter.rb', line 79

def context_for( f )
  return "#{f['ctl']}##{f['act']}" if f['ctl']
  f['ctx']
end

#features ⇒ Object

Find all features



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# File 'lib/wackamole/models/search_filter.rb', line 70

def features
  rows = Feature.features_cltn.find().to_a
  features = rows.map { |f| [context_for(f), f['_id'].to_s] }   
  features.sort! { |a,b| a.first <=> b.first }
  features.insert( 0, ["All", -1] )
end

#from_date_id ⇒ Object

Fetch filter start date id



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# File 'lib/wackamole/models/search_filter.rb', line 86

def from_date_id
  start = Chronic.parse( time_frame + ( time_frame == SearchFilter.time_frames.first ? "" : " ago" ) )
  start.to_date_id
end

#from_options(options) ⇒ Object

Populate filter from request params



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# File 'lib/wackamole/models/search_filter.rb', line 127

def from_options( options )
  return unless options
  options.each_pair do |k,v|
    self.send( "#{k}=", v )
  end
end

#mole_type(type) ⇒ Object

Set filter type



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# File 'lib/wackamole/models/search_filter.rb', line 64

def mole_type( type )
  self.type = to_filter_type( type )
end

#reset! ⇒ Object

Reset filter to defaults



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# File 'lib/wackamole/models/search_filter.rb', line 16

def reset!
  @feature_id   = -1
  @time_frame   = SearchFilter.time_frames.first
  @browser_type = SearchFilter.browser_types.first
  @type         = SearchFilter.mole_types.first
  @hour         = SearchFilter.hourlies.first
  @search_terms = ""
end

#time_ids ⇒ Object

fetch time series from time frame



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# File 'lib/wackamole/models/search_filter.rb', line 93

def time_ids
  now          = Time.now
  start        = Chronic.parse( time_frame + ( time_frame == SearchFilter.time_frames.first ? "" : " ago" ) )
  corpus_end   = DateTime.new( now.year, now.month, now.day )
  corpus_start = DateTime.new( start.year, start.month, start.day )

  calc_date   = corpus_start
  time_series = []  
  while calc_date <= corpus_end do   
    time_series << calc_date.to_date_id
    calc_date += 1
  end     
  time_series
end

#time_series ⇒ Object

fetch time series from time frame



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# File 'lib/wackamole/models/search_filter.rb', line 110

def time_series    
  now          = Time.now
  start        = Chronic.parse( time_frame + ( time_frame == SearchFilter.time_frames.first ? "" : " ago" ) )
  corpus_end   = DateTime.new( now.year, now.month, now.day )
  corpus_start = DateTime.new( start.year, start.month, start.day )

  calc_date   = corpus_start
  time_series = []  
  while calc_date <= corpus_end do   
    time_series << calc_date.strftime( "%Y-%m-%d" )
    calc_date += 1
  end     
  time_series
end

#to_conds ⇒ Object

Spews filter conditions



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# File 'lib/wackamole/models/search_filter.rb', line 165

def to_conds
  current_hour = self.hour
  current_hour = 0 if self.hour == SearchFilter.hourlies.first
  conds = SearchFilter.time_conds( Time.now, SearchFilter.time_frames_in_days[self.time_frame], current_hour )

  # filter mole_types
  if type != 'All'
    conds[:typ] = map_mole_type( type )
  end

  if browser_type != 'All'
    conds["bro.name"] = browser_type
  end

  # filter mole_features
  unless feature_id.to_s == "-1"
    conds[:fid] = BSON::ObjectID.from_string( feature_id )
  end
                            
  if search_terms and !search_terms.empty?
    tokens = search_terms.split( ":" ).collect{ |c| c.strip }
    key    = tokens.shift
    if key
      if key == "user"
        users = Wackamole::User.users_cltn.find( { :una => Regexp.new( tokens.first ) }, :fields => ['_id'] )
        conds[field_map( 'user_id' )] = { '$in' => users.collect{ |u| u['_id'] } }
      elsif tokens.size == 2
        conds["#{field_map(key)}.#{tokens.first}"] = Regexp.new( tokens.last )
      elsif tokens.size == 1
        conds[field_map(key)] = Regexp.new( tokens.first )
      else
        raise "Unable to evaluate search terms"
      end
    end
  end
  conds
end