lecturers von tiss laden

app/models/lva.rb

@@ -36,14 +36,14 @@
 
 class Lva < ActiveRecord::Base
   ERLAUBTE_TYPEN = ['VO', 'UE', 'VU', 'LU', 'SE', 'andere'];
-  has_paper_trail # Versionsverfolgung
+  has_paper_trail :ignore=>[:desc, :pruefungsinformation]# Versionsverfolgung
   attr_accessible :desc, :ects, :lvanr, :name, :stunden, :modul_ids, :semester_ids, :pruefungsinformation, :lernaufwand, :typ, :lecturer_ids
   has_and_belongs_to_many :modul,:uniq=>true # Gehört zu einem Modul
   has_and_belongs_to_many :semester
   #Gehört zu einem Semester( derzeit nicht implementiert)
   has_many :beispiele , :class_name => "Beispiel"
   has_and_belongs_to_many :lecturers
-  translates :desc,  :fallbacks_for_empty_translations => true
+  translates :desc,:pruefungsinformation,  :fallbacks_for_empty_translations => true, :versioning=>true
   
   validates :lvanr,:format=>{ :with => /^[0-9][0-9][0-9]\.[0-9A][0-9][0-9]$/}, :presence=>true, :uniqueness=>true # , :uniqueness=>true # LVA-Nummer muss das Format 000.000 besitzen (uniqueness?) oder 000 für nicht 
   validates_presence_of :ects  # ECTS vorhanden?
@@ -72,10 +72,35 @@ class Lva < ActiveRecord::Base
 
   ##
   # Lade Daten aus TISS und füge diese in die Datenbank ein. 
+  def tisshash(semester)
+   url= "https://tiss.tuwien.ac.at/api/course/"+ lvanr.to_s.gsub(".","")+semester
+  hash=Hash.from_xml(open(url).read)["tuvienna"]
+  end
   def load_tissdata(semester)
-    url= "https://tiss.tuwien.ac.at/api/course/"+ lvanr.to_s.gsub(".","")+semester
-#    begin 
+    urlp="https://tiss.tuwien.ac.at/api/course/"+ lvanr.to_s.gsub(".","")+"-"
+    begin
+      url= urlp+Time.now.year.to_s+"W"
       hash=Hash.from_xml(open(url).read)["tuvienna"]
+    rescue OpenURI::HTTPError => e
+      begin
+        url= urlp+Time.now.year.to_s+"S"
+        hash=Hash.from_xml(open(url).read)["tuvienna"]
+      rescue OpenURI::HTTPError => e
+      begin
+        url= urlp+(Time.now.year-1).to_s+"W"
+        hash=Hash.from_xml(open(url).read)["tuvienna"]
+      rescue OpenURI::HTTPError => e
+        
+      end 
+        
+      end 
+      
+    end 
+ 
+
+
+#    begin 
+ 
   #    person=[] 
   #    if hash["course"]["lecturers"]["oid"].is_a? String
   #      person = @hash["course"]["lecturers"]["oid"]
@@ -84,15 +109,60 @@ class Lva < ActiveRecord::Base
   #        person << Hash.from_xml(open("https://tiss.tuwien.ac.at/adressbuch/adressbuch/person_via_oid/" + pid.to_s + ".xml").read)["tuvienna"]["person"]
   #      end
   #    end
-  #  rescue OpenURI::HTTPError => e
- #   end 
-    self.name=hash["course"]["title"][I18n.locale.to_s]
-    self.pruefungsinformation =  hash["course"]["examinationModalities"][I18n.locale.to_s]
-    self.desc= hash["course"]["objective"][I18n.locale.to_s]+hash["course"]["teachingContent"][I18n.locale.to_s]
+    self.name=hash["course"]["title"]["de"]
+    self.pruefungsinformation =  hash["course"]["examinationModalities"][I18n.locale.to_s].to_s
+    self.desc= hash["course"]["objective"][I18n.locale.to_s]+"<p></p>"+hash["course"]["teachingContent"][I18n.locale.to_s]
     self.typ=hash["course"]["courseType"]
     self.stunden=hash["course"]["weeklyHours"]
-  end
-  
+    #hash["course"]["url"]  
+    if hash["course"]["lecturers"]["oid"].is_a? Array
+      hash["course"]["lecturers"]["oid"].each do |oid|
+        lecturer= self.lecturers.where(:oid=>oid).first
+        if lecturer.nil?
+          lecturer=Lecturer.where(:oid=>oid).first
+          if lecturer.nil?
+            logger.debug "Neuen Lecturer laden"
+            lecturer=Lecturer.new
+            lecturer.oid=oid
+            lecturer.load_tissdata
+            if lecturer.save
+              self.lecturers << lecturer
+            else
+              logger.fatal "Invaliden Lecturer erzeugt"
+            end
+          else
+            logger.debug "Lecturer hinzufügen"
+            self.lecturers << lecturer
+          end
+        end
+      end
+    else
+      oid=  hash["course"]["lecturers"]["oid"]
+      lecturer= self.lecturers.where(:oid=>oid).first
+      if lecturer.nil?
+        lecturer=Lecturer.where(:oid=>oid).first
+        if lecturer.nil?
+          logger.info "Neuen Lecturer laden"
+          lecturer=Lecturer.new
+          lecturer.oid=oid
+            lecturer.load_tissdata
+          if lecturer.save
+            self.lecturers << lecturer
+          else
+            logger.fatal "Invaliden Lecturer erzeugt"
+          end
+        else
+          
+          logger.info "Lecturer hinzufügen"
+          lecturer.load_tissdata
+          lecturer.save
+          self.lecturers << lecturer
+        end
+      end
+    
 
+    end
+    
+  end
 
 end