def read_pages
      # get all projects
      results_projects = database.query("SELECT id, identifier, name FROM projects;")
      results_projects.each do |row_project|
        #collect all namespaces
        namespaces << OpenStruct.new(identifier: row_project["identifier"], name: row_project["name"])
      end

      # get all wikis
      results_wikis = database.query("SELECT id, project_id FROM wikis;")

      # get all lemmas
      results_pages = database.query("SELECT id, title, wiki_id FROM wiki_pages;")
      results_pages.each do |row_page|
        results_contents = database.query("SELECT * FROM wiki_content_versions WHERE page_id='#{row_page["id"]}' ORDER BY updated_on;")

        # get wiki for page
        wiki_row = nil
        project_row = nil
        results_wikis.each do |wiki|
          wiki_row = wiki if wiki["id"] == row_page["wiki_id"]
        end

        if wiki_row
          # get project from wiki-id
          results_projects.each do |project|
            project_row = project if project["id"] == wiki_row["project_id"]
          end
        end

        project_identifier = project_row ? project_row["identifier"] + '/' : ""

        title = project_identifier + row_page["title"]
        titles << title

        @latest_revisions = {}
        results_contents.each do |row_content|
          author = authors[row_content["author_id"]] ? @authors[row_content["author_id"]] : nil
          page = Page.new({:id => row_content["id"],
                            :title => title,
                            :body => row_content["data"],
                            :markup => :textile,
                            :latest => false,
                            :time => row_content["updated_on"],
                            :message => row_content["comments"],
                            :author => author,
                            :author_name => author.name})
          revisions << page
          @latest_revisions[title] = page
        end
      end
      titles.uniq!
      @latest_revisions.each { |rev| rev[1].set_latest }
      revisions.sort! { |a,b| a.time <=> b.time }

      # TODO find latest revision for each limit

      revisions
    end
def read_pages
      # get all projects
      results_projects = database.query("SELECT id, identifier, name FROM projects;")
      results_projects.each do |row_project|
        #collect all namespaces
        namespaces << OpenStruct.new(identifier: row_project["identifier"], name: row_project["name"])
      end

      # get all wikis
      results_wikis = database.query("SELECT id, project_id FROM wikis;")

      # get all lemmas
      results_pages = database.query("SELECT id, title, wiki_id FROM wiki_pages;")
      results_pages.each do |row_page|
        results_contents = database.query("SELECT * FROM wiki_content_versions WHERE page_id='#{row_page["id"]}' ORDER BY updated_on;")

        # get wiki for page
        wiki_row = nil
        project_row = nil
        results_wikis.each do |wiki|
          wiki_row = wiki if wiki["id"] == row_page["wiki_id"]
        end

        if wiki_row
          # get project from wiki-id
          results_projects.each do |project|
            project_row = project if project["id"] == wiki_row["project_id"]
          end
        end

        project_identifier = project_row ? project_row["identifier"] + '/' : ""

        title = project_identifier + row_page["title"]
        titles << title

        @latest_revisions = {}
        results_contents.each do |row_content|
          author = authors[row_content["author_id"]] ? @authors[row_content["author_id"]] : nil
          page = Page.new({:id => row_content["id"],
                            :title => title,
                            :body => row_content["data"],
                            :markup => :textile,
                            :latest => false,
                            :time => row_content["updated_on"],
                            :message => row_content["comments"],
                            :author => author,
                            :author_name => author.name})
          revisions << page
          @latest_revisions[title] = page
        end
      end
      titles.uniq!
      @latest_revisions.each { |rev| rev[1].set_latest }
      revisions.sort! { |a,b| a.time <=> b.time }

      # TODO find latest revision for each limit

      revisions
    end
after calling this action, I expect the titles and revisions to be filled