module_methods.rb in sugarcrm-0.9.11

- old
+ new
@@ -1,46 +1,91 @@
 module SugarCRM
+  # store the namespaces that have been used to prevent namespace collision
+  @@used_namespaces = []
+  def self.used_namespaces
+    @@used_namespaces
+  end
   
-  @@connection = nil
-  def self.connection
-    @@connection
+  # return the namespaces linked to active sessions
+  def self.namespaces
+    result = []
+    @@used_namespaces.each{|n|
+      result << n if SugarCRM.const_defined? n
+    }
+    result
   end
-  def self.connection=(connection)
-    @@connection = connection
+  
+  # store the various connected sessions
+  # key = session.id, value = session instance
+  @@sessions = {}
+  def self.sessions
+    @@sessions
   end
-  def self.connect(url=SugarCRM::Environment.config[:base_url], user=SugarCRM::Environment.config[:username], pass=SugarCRM::Environment.config[:password], options={})
-    SugarCRM::Base.establish_connection(url, user, pass, options)
+  
+  def self.add_session(session)
+    @@used_namespaces << session.namespace unless @@used_namespaces.include? session.namespace
+    @@sessions[session.id] = session
   end
+  
+  def self.remove_session(session)
+    @@sessions.delete(session.id)
+  end
+  
+  def self.session
+    return nil if @@sessions.size < 1
+    (raise SugarCRM::MultipleSessions, "There are multiple active sessions: use the session namespace instead of SugarCRM") if @@sessions.size > 1
+    @@sessions.values.first
+  end
+  
+  def self.connection
+    return nil unless self.session
+    self.session.connection
+  end
+  
+  def self.connect(url, user, pass, options={})
+    session = SugarCRM::Session.new(url, user, pass, options)
+    # return the namespace module
+    session.namespace_const
+  end
+  
   class << self
     alias :connect! :connect
   end
   
-  @@modules = []
-  def self.modules
-    @@modules
+  def respond_to?(sym)
+    return true if @@sessions.size == 1 && SugarCRM.session.namespace_const.respond_to?(sym)
+    super
   end
-  def self.modules=(modules)
-    @@modules = modules
-  end
   
-  def self.current_user
-    SugarCRM::User.find_by_user_name(connection.user)
+  def self.method_missing(sym, *args, &block)
+    (raise SugarCRM::NoActiveSession, "No session is active. Create a new session with 'SugarCRM.connect(...)'") if @@sessions.size < 1
+    (raise SugarCRM::MultipleSessions, "There are multiple active sessions: call methods on the session namespace instead of SugarCRM") if @@sessions.size > 1
+    if SugarCRM.session.namespace_const.respond_to? sym
+      SugarCRM.session.namespace_const.send(sym, *args, &block)
+    else
+      super
+    end
   end
   
   # If a user tries to access a SugarCRM class before they're logged in,
   # try to log in using credentials from config file.
   # This will trigger module loading,
   # and we can then attempt to return the requested class automagically
   def self.const_missing(sym)
-    # if we're logged in, modules should be loaded and available
-    if SugarCRM.connection && SugarCRM.connection.logged_in?
+    (raise SugarCRM::MultipleSessions, "There are multiple active sessions: use the session namespace instead of SugarCRM") if @@sessions.size > 1
+    # make sure we have an active session
+    begin
+      Session.new unless SugarCRM.connection && SugarCRM.connection.logged_in?
+    rescue SugarCRM::MissingCredentials => e
+      # unable to load necessary login credentials from config file => pass exception on
       super
+    end
+    
+    # if user calls (e.g.) SugarCRM::Account, delegate to SugarCRM::Namespace0::Account
+    namespace_const = SugarCRM.session.namespace_const
+    if namespace_const.const_defined? sym
+      namespace_const.const_get(sym)
     else
-      # here, we initialize the environment (which happens on any method call, if singleton hasn't already been initialized)
-      # initializing the environment will log user in if credentials present in config file
-      # if it isn't possible to log in and access modules, pass the exception on
-      super unless SugarCRM::Environment.connection_info_loaded?
-      # try and return the requested module
-      SugarCRM.const_get(sym)
+      super
     end
   end
 end
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