292 lines
9.0 KiB
Ruby
Executable File
292 lines
9.0 KiB
Ruby
Executable File
# -*- coding: utf-8 -*-
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# == Schema Information
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#
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# Table name: lvas
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#
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# id :integer not null, primary key
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# name :string(255)
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# desc :text
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# ects :decimal(, )
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# lvanr :string(255)
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# stunden :decimal(, )
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# created_at :datetime not null
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# updated_at :datetime not null
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# modul_id :integer
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# semester_id :integer
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# pruefungsinformation :text
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# lernaufwand :text
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# typ :string(255)
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#
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# == Schema Information
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#
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# Table name: lvas
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#
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# id :integer not null, primary key
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# name :string(255)
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# desc :text
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# ects :decimal
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# lvanr :string(255)
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# stunden :decimal
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# created_at :datetime not null
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# updated_at :datetime not null
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# modul_id :integer
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# semester_id :integer
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class Lva < ActiveRecord::Base
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ERLAUBTE_TYPEN = ['VO', 'UE', 'VU', 'LU', 'SE', 'PR', 'andere'];
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translates :desc,:pruefungsinformation, :fallbacks_for_empty_translations => true, :versioning=> :paper_trail #true #{:gem=>:paper_trail}
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has_paper_trail :ignore=>[:desc, :pruefungsinformation]# Versionsverfolgung
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attr_accessible :desc, :ects, :lvanr, :name, :stunden, :modul_ids, :semester_ids, :pruefungsinformation, :lernaufwand, :typ, :lecturer_ids, :forumlink
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has_and_belongs_to_many :modul,:uniq=>true # Gehört zu einem Modul
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has_and_belongs_to_many :semester
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has_many :beispiele , :class_name => "Beispiel"
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has_and_belongs_to_many :lecturers
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has_many :nlinks, as: :link
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has_many :crawlobjects, :as=>:something
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# scope :search, ->(query) {where("name like ? or lvas.desc like ?", "%#{query}%", "%#{query}%")}
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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
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validates_presence_of :ects # ECTS vorhanden?
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validates :name, :presence=>true, :uniqueness=>{:scope=>:typ}# Name Eingetragen?
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validates :typ, :presence=>true, :inclusion=> ERLAUBTE_TYPEN
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validates_presence_of :stunden # Stunden Eingetragen?
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validates_presence_of :modul # Zugehöriges Modul eingetragen?
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# (zumindest eines)
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def typ_n
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typ=="andere" ? "" : typ
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end
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def title
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self.name
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end
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def full_name
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return self.typ_n + ' ' + self.name
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end
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def add_semesters
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# Diese Methode fügt die Instanz automatisch zu allen Studien als "Ohne Semesterempfehlung" (Semester 0) zu, bei denen die Instanz im Studium noch nicht vorkommt.
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for m in self.modul
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for mg in m.modulgruppen # Über alle Module und alle Modulgruppen iterieren
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hits = mg.studium.semester.all.map{|x| x.lvas}.map{|x| x.find_by_id(self.id)}.compact # Alle einträge in allen semestern mit gleicher LVa-ID suchen und alle nils entfernen
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if hits.empty? # wurde gar kein eintrag gefunden ?
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self.semester << mg.studium.semester.where(:nummer => 0) # auf nummer null eintragen
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end
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end
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end
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end
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##
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# Lade Daten aus TISS und füge diese in die Datenbank ein.
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def tisshash(semester)
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url= "https://tiss.tuwien.ac.at/api/course/"+ lvanr.to_s.gsub(".","")+semester
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hash=Hash.from_xml(open(url).read)["tuvienna"]
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end
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def tisslink
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urlp="https://tiss.tuwien.ac.at/course/courseDetails.xhtml?courseNr="+ lvanr.to_s.gsub(".","")+"&"
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urlp1 = "https://tiss.tuwien.ac.at/api/course/"+ lvanr.to_s.gsub(".","")+"-"
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begin
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url= urlp+"semester="+Time.now.year.to_s+"W"
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hash=Hash.from_xml(open(urlp1+Time.now.year.to_s+"W").read)["tuvienna"]
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rescue OpenURI::HTTPError => e
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begin
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url= urlp+"semester="+Time.now.year.to_s+"S"
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hash=Hash.from_xml(open(urlp1+Time.now.year.to_s+"S").read)["tuvienna"]
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rescue OpenURI::HTTPError => e
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begin
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url= urlp+"semester="+(Time.now.year-1).to_s+"W"
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hash=Hash.from_xml(open(urlp1+(Time.now.year-1).to_s+"W").read)["tuvienna"]
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rescue OpenURI::HTTPError => e
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end
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end
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rescue => e
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end
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url
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end
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def load_tissdata
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urlp="https://tiss.tuwien.ac.at/api/course/"+ lvanr.to_s.gsub(".","")+"-"
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begin
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url= urlp+Time.now.year.to_s+"W"
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hash=Hash.from_xml(open(url).read)["tuvienna"]
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rescue OpenURI::HTTPError => e
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begin
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url= urlp+Time.now.year.to_s+"S"
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hash=Hash.from_xml(open(url).read)["tuvienna"]
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rescue OpenURI::HTTPError => e
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begin
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url= urlp+(Time.now.year-1).to_s+"W"
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hash=Hash.from_xml(open(url).read)["tuvienna"]
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rescue OpenURI::HTTPError => e
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end
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end
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end
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# begin
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# person=[]
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# if hash["course"]["lecturers"]["oid"].is_a? String
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# person = @hash["course"]["lecturers"]["oid"]
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# else
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# hash["course"]["lecturers"]["oid"].each do |pid|
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# person << Hash.from_xml(open("https://tiss.tuwien.ac.at/adressbuch/adressbuch/person_via_oid/" + pid.to_s + ".xml").read)["tuvienna"]["person"]
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# end
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# end
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self.name=hash["course"]["title"]["de"]
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self.pruefungsinformation = hash["course"]["examinationModalities"][I18n.locale.to_s].to_s
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self.desc= hash["course"]["objective"][I18n.locale.to_s]+"<p></p>"+hash["course"]["teachingContent"][I18n.locale.to_s]
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self.typ=hash["course"]["courseType"]
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self.stunden=hash["course"]["weeklyHours"]
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#hash["course"]["url"]
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if hash["course"]["lecturers"]["oid"].is_a? Array
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hash["course"]["lecturers"]["oid"].each do |oid|
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lecturer= self.lecturers.where(:oid=>oid).first
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if lecturer.nil?
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lecturer=Lecturer.where(:oid=>oid).first
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if lecturer.nil?
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logger.debug "Neuen Lecturer laden"
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lecturer=Lecturer.new
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lecturer.oid=oid
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lecturer.load_tissdata
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if lecturer.save
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self.lecturers << lecturer
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else
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logger.fatal "Invaliden Lecturer erzeugt"
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end
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else
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logger.debug "Lecturer hinzufügen"
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self.lecturers << lecturer
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end
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end
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end
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else
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oid= hash["course"]["lecturers"]["oid"]
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lecturer= self.lecturers.where(:oid=>oid).first
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if lecturer.nil?
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lecturer=Lecturer.where(:oid=>oid).first
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if lecturer.nil?
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logger.info "Neuen Lecturer laden"
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lecturer=Lecturer.new
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lecturer.oid=oid
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lecturer.load_tissdata
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if lecturer.save
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self.lecturers << lecturer
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else
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logger.fatal "Invaliden Lecturer erzeugt"
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end
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else
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logger.info "Lecturer hinzufügen"
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lecturer.load_tissdata
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lecturer.save
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self.lecturers << lecturer
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end
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end
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end
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end
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def update_multiple(hash)
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newlvas=[]
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params["lvas"].each do |i,l|
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lva=Lva.where(:lvanr=>l["lvanr"]).first if lva.nil?
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lva=Lva.new(l) if lva.nil?
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lva.name=l["name"]
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lva.lvanr=l["lvanr"]
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lva.ects=l["ects"]
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descr = l["desc"]
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lva.desc= (descr.empty?) ? "<div></div>" : descr
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lva.semester=Semester.where(:id=>l["semester_ids"].map(&:to_i))
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lva.stunden=l["stunden"]
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pr =l["pruefungsinformation"]
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lva.pruefungsinformation= (pr.empty?) ? "<div></div>" : pr
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lva.lernaufwand=l["lernaufwand"]
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lva.typ=l["typ"]
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lva.save
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newlvas<<lva #
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end
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newlvas
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end
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searchable do
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text :desc
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text :pruefungsinformation
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text :lernaufwand
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text :typ
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text :name, :boost=>3.0
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text :lecturer_names do
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lecturers.map { |l| l.name }
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end
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end
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def self.update_multiple_with_modul(hash,modul)
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newlvas=[]
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hash.each do |i,l|
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lva=Lva.where(:lvanr=>l["lvanr"]).first if lva.nil?
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lva=Lva.new(l) if lva.nil?
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lva.modul<< modul
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lva.modul.uniq!
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lva.name=l["name"]
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lva.lvanr=l["lvanr"]
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lva.ects=l["ects"]
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descr = l["desc"]
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lva.desc= (descr.empty?) ? "<div></div>" : descr
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lva.semester=Semester.where(:id=>l["semester_ids"].map(&:to_i))
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lva.stunden=l["stunden"]
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pr =l["pruefungsinformation"]
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lva.pruefungsinformation= (pr.empty?) ? "<div></div>" : pr
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lva.lernaufwand=l["lernaufwand"]
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lva.typ=l["typ"]
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lva.save
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newlvas<< lva #
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end
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newlvas
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end
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def read_et_forum
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lva=self
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url=lva.forumlink
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ans = JSON.parse(`python #{Rails.root}/bin/downloadlogin.py #{url}`)
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ans.each do |a|
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if Crawlobject.where(:objhash=>Digest::SHA512.hexdigest(a.to_json), :objtype=>1).count ==0
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aa = Crawlobject.new(:raw=>a.to_json)
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aa.objtype=1
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aa.parse_object
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aa.calc_hash
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aa.something=lva
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if Crawlobject.where(:objhash2=>aa.objhash2, :objtype=>1).count==0
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aa.save
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else
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aa=Crawlobject.where(:objhash2=>aa.objhash2).first
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aa.raw=a.to_json
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aa.parse_object
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aa.calc_hash
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aa.save
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end
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end
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end
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end
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end
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