Class: SakaiInfo::Announcement

Inherits:
SakaiXMLEntity show all
Defined in:
lib/sakai-info/announcement.rb

Constant Summary collapse

@@cache = 
{}

Instance Attribute Summary collapse

Attributes inherited from SakaiXMLEntity

#attributes, #properties, #xml, #xmldoc

Attributes inherited from SakaiObject

#id

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from SakaiXMLEntity

all_serializations, #attributes_serialization, #dbrow_serialization, #format_entity_date, #parse_xml, #properties_serialization, #xml_serialization

Methods included from ModProps

included

Methods inherited from SakaiObject

all_serializations, #dbrow_only_serialization, #dbrow_serialization, #object_type_serialization, #serialize, #to_json, #to_yaml

Constructor Details

#initialize(id, channel, draft, pubview, owner, date, xml) ⇒ Announcement

raw data constructor



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# File 'lib/sakai-info/announcement.rb', line 112

def initialize(id, channel, draft, pubview, owner, date, xml)
  @id = id
  @channel = channel
  @draft = draft
  @pubview = pubview
  @owner = owner
  @date = date
  @xml = xml
  parse_xml
end

Instance Attribute Details

#channel ⇒ Object (readonly)

Returns the value of attribute channel.



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# File 'lib/sakai-info/announcement.rb', line 85

def channel
  @channel
end

#date ⇒ Object (readonly)

Returns the value of attribute date.



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# File 'lib/sakai-info/announcement.rb', line 85

def date
  @date
end

#draft ⇒ Object (readonly)

Returns the value of attribute draft.



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# File 'lib/sakai-info/announcement.rb', line 86

def draft
  @draft
end

#owner ⇒ Object (readonly)

Returns the value of attribute owner.



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# File 'lib/sakai-info/announcement.rb', line 85

def owner
  @owner
end

#pubview ⇒ Object (readonly)

Returns the value of attribute pubview.



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# File 'lib/sakai-info/announcement.rb', line 86

def pubview
  @pubview
end

Class Method Details

.find(id) ⇒ Object 



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# File 'lib/sakai-info/announcement.rb', line 89

def self.find(id)
  if @@cache[id].nil?
    xml = ""
    row = DB.connect.fetch("select channel_id, draft, pubview, owner, xml, " +
                           "to_char(message_date,'YYYY-MM-DD HH24:MI:SS') as message_date " +
                           "from announcement_message " +
                           "where message_id = ?", id).first
    if row.nil?
      raise ObjectNotFoundException.new(Announcement, id)
    end

    channel = AnnouncementChannel.find(row[:channel_id])
    draft = row[:draft]
    pubview = row[:pubview]
    owner = User.find(row[:owner])
    date = row[:message_date]
    REXML::Document.new(row[:xml].read).write(xml, 2)
    @@cache[id] = Announcement.new(id, channel, draft, pubview, owner, date, xml)
  end
  @@cache[id]
end

.find_by_channel_id(channel_id) ⇒ Object

helpers



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# File 'lib/sakai-info/announcement.rb', line 124

def self.find_by_channel_id(channel_id)
  announcements = []
  channel = AnnouncementChannel.find(channel_id)

  DB.connect.fetch("select message_id, draft, pubview, owner, xml, " +
                   "to_char(message_date,'YYYY-MM-DD HH24:MI:SS') as message_date " +
                   "from announcement_message " +
                   "where channel_id = ?", channel_id) do |row|
    xml = ""
    id = row[:message_id]
    draft = row[:draft]
    pubview = row[:pubview]
    owner = User.find(row[:owner])
    REXML::Document.new(row[:xml].read).write(xml, 2)
    date = row[:message_date]

    @@cache[id] = Announcement.new(id, channel, draft, pubview, owner, date, xml)
    announcements << @@cache[id]
  end
  announcements
end

Instance Method Details

#default_serialization ⇒ Object

serialization



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# File 'lib/sakai-info/announcement.rb', line 147

def default_serialization
  {
    "id" => self.id,
    "date" => self.date,
    "owner" => self.owner.serialize(:summary),
    "draft" => self.draft,
    "pubview" => self.pubview,
    "channel" => self.channel.serialize(:summary)
  }
end

#summary_serialization ⇒ Object 



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# File 'lib/sakai-info/announcement.rb', line 158

def summary_serialization
  {
    "id" => self.id,
    "date" => self.date
  }
end