Class: BlogMarks::Tag

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

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(params = {}) ⇒ Tag

Create a tag from params

params hash can contains any of the object vars, but :title is mandatory


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# File 'lib/blogmarks/tag.rb', line 53

def initialize( params={} )
  @id             = params[:id]             || nil
  @title          = params[:title]          || raise( ArgumentError, ":title can't be empty")
  @link_alternate = params[:link_alternate] || nil
  @link_image     = params[:link_image]     || nil
  @summary        = params[:summary]        || nil
  @updated        = params[:updated]        || nil
  @published      = params[:published]      || nil
  @edit           = params[:edit]           || nil
  @bm_created     = params[:bm_created]     || nil
end

Instance Attribute Details

#bm_created ⇒ Object (readonly)

Tag creation date


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# File 'lib/blogmarks/tag.rb', line 46

def bm_created
  @bm_created
end

#edit ⇒ Object (readonly)

Tag edit uri


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# File 'lib/blogmarks/tag.rb', line 38

def edit
  @edit
end

#id ⇒ Object (readonly)

Tag id


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# File 'lib/blogmarks/tag.rb', line 32

def id
  @id
end

#link_alternate ⇒ Object (readonly)

Tag html representation uri


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# File 'lib/blogmarks/tag.rb', line 34

def link_alternate
  @link_alternate
end

#link_image ⇒ Object (readonly)

Tag image uri


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# File 'lib/blogmarks/tag.rb', line 36

def link_image
  @link_image
end

#published ⇒ Object

Tag publish date


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# File 'lib/blogmarks/tag.rb', line 44

def published
  @published
end

#summary ⇒ Object

Tag summary


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# File 'lib/blogmarks/tag.rb', line 42

def summary
  @summary
end

#title ⇒ Object

Tag title


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# File 'lib/blogmarks/tag.rb', line 40

def title
  @title
end

#updated ⇒ Object (readonly)

Tag update date


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# File 'lib/blogmarks/tag.rb', line 48

def updated
  @updated
end

Class Method Details

.build_from_xml_element(tag) ⇒ Object

Parse an REXML::Element corresponding to the tag


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# File 'lib/blogmarks/tag.rb', line 69

def build_from_xml_element( tag )
  # We need a valide REXML::Element parameters :D
  return nil unless tag.kind_of?(REXML::Element)
  
  # Let's build the params to build a BlogMarks::Tag
  params = {}
  
  # Iterate over child nodes
  tag.each_element do |element|
    case element.name            
      when 'id'
        params[:id]           = element.text
      when 'title'
        params[:title]        = element.text
      when 'updated'
        params[:updated]      = Time.parse(element.text)
      when 'published'
        params[:published]    = Time.parse(element.text)
      when 'edit'
        params[:edit]         = URI.parse(element.text)
      when 'bm:created'
        params[:bm_created]   = Time.parse(element.text)
      when 'summary'
        params[:summary]      = element.text
      when 'link'
        params[:link_alternate] = URI.parse( element.attributes['href'] ) if element.attributes['rel'] == 'alternate'
        params[:link_image]     = URI.parse( element.attributes['href'] ) if element.attributes['rel'] == 'image'
    end
  end
  
  # Create and return a new Tag constructs using params hash
  return Tag.new(params)
end