WEB/Praktikum2/ppm1/app/application.py

import cherrypy
from .database import Database_cl
from .view import View_cl

#----------------------------------------------------------
class Application_cl(object): 
#----------------------------------------------------------

#-------------------------------------------------------
# Request Processing
#-------------------------------------------------------

    #-------------------------------------------------------
    def __init__(self):
    #-------------------------------------------------------
        # spezielle Initialisierung können hier eingetragen werden
        self.db = Database_cl()
        self.view = View_cl()
    @cherrypy.expose

    #-------------------------------------------------------
    def index(self):
    #-------------------------------------------------------
        print("Index\n")
        return self.GenerateIndex()
    @cherrypy.expose

    #-------------------------------------------------------
    def category(self, cat=None):
    #-------------------------------------------------------
        print("Category: ", cat, "\n")
        if(cat==None):
            return self.GenerateIndex()
        else:
            return self.GenerateList(cat)
    @cherrypy.expose

    #-------------------------------------------------------
    def detail(self, cat=None, id=None):
    #-------------------------------------------------------
        if(cat!=None):
            if(id!=None):
                print("ID!=None Cat=", cat, " id=", id)
                return self.GenerateDetail(cat, id)
            else:
                print("ID=None Cat=", cat)
                return self.GenerateDetail(cat)
        else:
            return self.GenerateIndex()
    @cherrypy.expose

    #-------------------------------------------------------
    def save(self, cat=None, **data):
    #-------------------------------------------------------
        print("Save: ", cat)
        dataTmp = data
        return self.GenerateSave(dataTmp, cat)
    @cherrypy.expose

    #-------------------------------------------------------
    def delete(self, id, form=None): 
    #-------------------------------------------------------
        # Eintrag löschen, dann Liste neu anzeigen
        self.db_o.delete_px(id)
        print("Delete",form)
        return self.createList_p(form)
    @cherrypy.expose
    
    #-------------------------------------------------------
    def default(self, *arguments, **kwargs): 
    #-------------------------------------------------------
        msg_s = "unbekannte Anforderung: " + \
                str(arguments) + \
                ''+ \
                str(kwargs)
        raise cherrypy.HTTPError(404, msg_s)
    default.exposed= True

#-------------------------------------------------------
# Functions
#-------------------------------------------------------

    #-------------------------------------------------------
    def GenerateIndex(self):
    #-------------------------------------------------------
        return self.view.CreateIndex()

    #-------------------------------------------------------
    def GenerateList(self, category):
    #-------------------------------------------------------
        data = {}
        data['content'] = {}
        data['headings'] = {}
        data['category'] = category
        data['content'] = self.db.data[category]
        print(data, "\n")
        if(len(data['content']) != 0):
            print(len(data['content']))
            contentFirst = list(data['content'].keys())[0]
            data['headings'] = list(data['content'][contentFirst].keys())
        print(data, "\n")

        return self.view.CreateList(data)

    #-------------------------------------------------------
    def GenerateDetail(self, category, id=None):
    #-------------------------------------------------------
        data = {}
        data['category'] = category
        if(id != None):
            data['id'] = id
            data['content'] = self.db.ReadEntry(category, id)
        else:
            data['id'] = None
            data['content'] = self.db.GetDefault(category)
        print(data, "\n")
        return self.view.CreateDetail(data)

    #-------------------------------------------------------
    def GenerateSave(self, dataTmp, category):
    #-------------------------------------------------------
        if(category == None):
            return self.view.CreateIndex()
        else:
            self.db.Save(dataTmp, category)
            return self.GenerateList(category)

#EOF