Class: Couchup::View

Inherits:
Object
  • Object
show all
Defined in:
lib/couchup/view.rb

Constant Summary collapse

MAP_TEMPLATE = 
"function(doc){\n}\n"
REDUCE_TEMPLATE = 
""

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name) ⇒ View

Returns a new instance of View.



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# File 'lib/couchup/view.rb', line 6

def initialize(name)
  @design, @name = name.split "/"
  begin
    @doc = Couchup.database.get("_design/#{@design}")
  rescue
    ap "Design #{@design} not found creating a new one"
    @doc = {"_id" => "_design/#{@design}", :language => 'javascript', :views => {}}
    save
    @doc = Couchup.database.get("_design/#{@design}")
  end
end

Class Method Details

.create(name, map, reduce) ⇒ Object 



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# File 'lib/couchup/view.rb', line 65

def self.create(name, map, reduce)
  v = new(name)
  v.map = map
  v.reduce = reduce unless reduce.blank?
  ap v
  v.save
end

.create_from_file(name, file_contents) ⇒ Object 



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# File 'lib/couchup/view.rb', line 60

def self.create_from_file(name, file_contents)
  map, reduce = parse(file_contents)
  create(name, map, reduce)
end

.parse(file_contents) ⇒ Object 



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# File 'lib/couchup/view.rb', line 73

def self.parse(file_contents)
  file_contents =~ /-+BEGIN Map-+(.*)^-+END-+.*BEGIN Reduce.*-+(.*)^-+END-*/m
  [$1.strip, $2.strip]
end

Instance Method Details

#delete! ⇒ Object 



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# File 'lib/couchup/view.rb', line 54

def delete!
  @doc["views"].delete(@name)
  save
end

#map ⇒ Object 



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# File 'lib/couchup/view.rb', line 22

def map
  @doc["views"][@name]["map"]
end

#map=(fun) ⇒ Object 



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# File 'lib/couchup/view.rb', line 26

def map=(fun)
  if map?
    @doc["views"][@name]["map"] = fun 
  else
    @doc["views"][@name] = {:map => fun}
  end
end

#map? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/couchup/view.rb', line 46

def map?
  @doc["views"][@name] && !@doc["views"][@name]["map"].blank?
end

#reduce ⇒ Object 



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# File 'lib/couchup/view.rb', line 34

def reduce
  @doc["views"][@name]["reduce"]
end

#reduce=(fun) ⇒ Object 



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# File 'lib/couchup/view.rb', line 38

def reduce=(fun)
  if reduce?
    @doc["views"][@name]["reduce"] = fun
  else
    @doc["views"][@name] ={:reduce => fun}
  end
end

#reduce? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/couchup/view.rb', line 50

def reduce?
  @doc["views"][@name] && !@doc["views"][@name]["reduce"].blank?
end

#save ⇒ Object 



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# File 'lib/couchup/view.rb', line 18

def save
  Couchup.database.save_doc(@doc)  
end