Class: Bike::Storage

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

Overview

Author

Akira FUNAI

Copyright

Copyright © 2009 Akira FUNAI

Direct Known Subclasses

File, Sequel, Temp

Defined Under Namespace

Classes: File, Sequel, Temp

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(sd) ⇒ Storage

Returns a new instance of Storage.



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# File 'lib/_storage/_storage.rb', line 27

def initialize(sd)
  @sd = sd
end

Instance Attribute Details

#sd ⇒ Object (readonly)

Returns the value of attribute sd.



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# File 'lib/_storage/_storage.rb', line 25

def sd
  @sd
end

Class Method Details

.available? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/_storage/_storage.rb', line 21

def self.available?
  false
end

.instance(sd) ⇒ Object 



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# File 'lib/_storage/_storage.rb', line 8

def self.instance(sd)
  if folder = sd[:folder]
    if folder != sd[:parent]
      Temp.new sd
    else
      klass = Bike['storage']['default'].capitalize
      self.const_get(klass).new sd
    end
  else
    Temp.new sd
  end
end

Instance Method Details

#build(v) ⇒ Object 



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# File 'lib/_storage/_storage.rb', line 47

def build(v)
  self
end

#clear ⇒ Object 



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# File 'lib/_storage/_storage.rb', line 51

def clear
  self
end

#delete(id) ⇒ Object 



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# File 'lib/_storage/_storage.rb', line 59

def delete(id)
  id
end

#last(cid, conds) ⇒ Object 



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# File 'lib/_storage/_storage.rb', line 95

def last(cid, conds)
  __send__("_sibs_#{cid}", conds).last
end

#navi(conds) ⇒ Object 



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# File 'lib/_storage/_storage.rb', line 63

def navi(conds)
  conds[:p] = '1' unless conds[:p] || conds[:id] || (@sd[:p_size].to_i < 1)
  navi = {}
  (([:id, :p, :d] & conds.keys) | conds.keys).each {|cid|
    next unless conds[cid] && respond_to?("_sibs_#{cid}", true)
    sibs = __send__("_sibs_#{cid}", conds)

    c = (c.is_a?(::Array) && c.size < 2) ? conds[cid].first : conds[cid]
    if i = sibs.index(c)
      if !navi[:prev] && i > 0
        navi[:prev] = conds.merge(cid => sibs[i - 1])
        if ![:id, :p].include? cid
          navi[:prev][:id] = _select_without(:id, navi[:prev]).last if conds[:id]
          navi[:prev][:p] = _p_count(navi[:prev]).to_s if conds[:p]
        end
      end
      if !navi[:next] && i < (sibs.size - 1)
        navi[:next] = conds.merge(cid => sibs[i + 1])
        if ![:id, :p].include? cid
          navi[:next][:id] = _select_without(:id, navi[:next]).first if conds[:id]
          navi[:next][:p] = '1' if conds[:p]
        end
      end
    end
    navi[:sibs] ||= {cid => sibs} if navi[:prev] || navi[:next]

    break if navi[:prev] && navi[:next]
  }

  navi
end

#order ⇒ Object 



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# File 'lib/_storage/_storage.rb', line 35

def order
  @sd[:order]
end

#persistent? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/_storage/_storage.rb', line 31

def persistent?
  true
end

#select(conds = {}) ⇒ Object 



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# File 'lib/_storage/_storage.rb', line 39

def select(conds = {})
  _cast conds
  item_ids = _select(conds)
  item_ids = _sort(item_ids, conds)
  item_ids = _page(item_ids, conds)
  ((conds[:order] || order) =~ /^-/) ? item_ids.reverse : item_ids
end

#store(id, v) ⇒ Object 



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# File 'lib/_storage/_storage.rb', line 55

def store(id, v)
  id
end