Checkout of Instiki Trunk 1/21/2007.

app/models/wiki.rb

@@ -0,0 +1,92 @@
+class Wiki
+
+  cattr_accessor :storage_path, :logger
+  self.storage_path = "#{RAILS_ROOT}/storage/"
+  self.logger = RAILS_DEFAULT_LOGGER
+
+  def authenticate(password)
+    password == (system.password || 'instiki')
+  end
+
+  def create_web(name, address, password = nil)
+    @webs = nil
+    Web.create(:name => name, :address => address, :password => password) 
+  end
+
+  def delete_web(address)
+    web = Web.find_by_address(address)
+    unless web.nil?
+      web.destroy
+      @webs = nil
+    end
+  end
+
+  def edit_web(old_address, new_address, name, markup, color, additional_style, safe_mode = false, 
+      password = nil, published = false, brackets_only = false, count_pages = false, 
+      allow_uploads = true, max_upload_size = nil)
+
+    if not (web = Web.find_by_address(old_address))
+      raise Instiki::ValidationError.new("Web with address '#{old_address}' does not exist")
+    end
+
+    web.update_attributes(:address => new_address, :name => name, :markup => markup, :color => color, 
+      :additional_style => additional_style, :safe_mode => safe_mode, :password => password, :published => published,
+      :brackets_only => brackets_only, :count_pages => count_pages, :allow_uploads => allow_uploads, :max_upload_size => max_upload_size)
+    @webs = nil
+    raise Instiki::ValidationError.new("There is already a web with address '#{new_address}'") unless web.errors.on(:address).nil?
+    web
+  end
+
+  def read_page(web_address, page_name)
+    self.class.logger.debug "Reading page '#{page_name}' from web '#{web_address}'"
+    web = Web.find_by_address(web_address)
+    if web.nil?
+      self.class.logger.debug "Web '#{web_address}' not found"
+      return nil
+    else
+      page = web.pages.find(:first, :conditions => ['name = ?', page_name])
+      self.class.logger.debug "Page '#{page_name}' #{page.nil? ? 'not' : ''} found"
+      return page
+    end
+  end
+  
+  def remove_orphaned_pages(web_address)
+    web = Web.find_by_address(web_address)
+    web.remove_pages(web.select.orphaned_pages)
+  end
+  
+  def revise_page(web_address, page_name, content, revised_at, author, renderer)
+    page = read_page(web_address, page_name)
+    page.revise(content, revised_at, author, renderer)
+  end
+
+  def rollback_page(web_address, page_name, revision_number, time, author_id = nil)
+    page = read_page(web_address, page_name)
+    page.rollback(revision_number, time, author_id)
+  end
+  
+  def setup(password, web_name, web_address)
+    system.update_attribute(:password, password)
+    create_web(web_name, web_address)
+  end
+
+  def system
+    @system ||= (System.find(:first) || System.create)
+  end
+
+  def setup?
+    Web.count > 0
+  end
+
+  def webs
+    @webs ||= Web.find(:all).inject({}) { |webs, web| webs.merge(web.address => web) }
+  end
+
+  def storage_path
+    self.class.storage_path
+  end
+  
+  def write_page(web_address, page_name, content, written_on, author, renderer)
+    Web.find_by_address(web_address).add_page(page_name, content, written_on, author, renderer)
+  end
+end