Neo4jDynamicRelationUniqueId

Neo4jDynamicRelationUniqueId.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
    The MIT License (MIT)
    Copyright (c) 2016 sinfonier-project
    Permission is hereby granted, free of charge, to any person obtaining a copy
    of this software and associated documentation files (the "Software"), to deal
    in the Software without restriction, including without limitation the rights
    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    copies of the Software, and to permit persons to whom the Software is
    furnished to do so, subject to the following conditions:
    The above copyright notice and this permission notice shall be included in
    all copies or substantial portions of the Software.
    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    THE SOFTWARE.
"""


import basesinfonierdrain

import requests
import json
import base64
import urllib
import traceback

class Neo4jDynamicRelationUniqueId(basesinfonierdrain.BaseSinfonierDrain):
      
 
    def __init__(self):

        basesinfonierdrain.BaseSinfonierDrain().__init__()

    def userprepare(self):

        # Get Param (get value of "param_name" from input box)
        self.url = self.getParam("urlDatabase")
        self.index = self.getParam("index")
        self.param = self.getParam("param")
        self.key = self.getParam("key")
        self.relationListField = self.getParam("relationListField")

    def userprocess(self):

        try:
            auth = base64.b64encode(self.param)
            headers = {"Accept" : "application/json; charset=UTF-8","Content-Type": "application/json", "Authorization" : "Basic " + auth}  
            endUrlnode = "index/node/"+self.index+"?uniqueness=get_or_create"
            self.log(str(self.config))
            relationshipList = self.getField(self.relationListField)
            try:                    
                if type(relationshipList) is list:
                    for i in range(len(relationshipList)):
                        idStart = ""
                        idEnd = ""
                        typeRelation = ""
                        crearRelation=True
                        item = relationshipList[i]
                        try:
                            typeRelation = str(item['rtype'])
                            idStart = str(self.getField(item['src']))
                            idEnd = str(self.getField(item['dst']))
                            endUrlnode = "index/node/"+self.index+"?uniqueness=get_or_create"
                            finalUrl = self.url + endUrlnode
                            payload = '{"key" : "'+self.key+'" , "value" : "'+idStart+'" }'
                            response = requests.post(finalUrl, headers=headers, data=payload)
                            self.log("DEFAULT ENTITY: " + str(response.json()))
                            idnodestart = str(response.json().get('metadata').get('id'))
                            payload = '{"key" : "'+self.key+'" , "value" : "'+idEnd+'" }'
                            response = requests.post(finalUrl, headers=headers, data=payload)
                            self.log("EXIST 2 ENTITY: " + str(response.json()))
                            idnodeend = str(response.json().get('metadata').get('id'))
                            urlrelations = str(response.json().get('incoming_relationships'))
                            response = requests.get(urlrelations, headers=headers)
                            self.log("EXIST RELATION: " + str(response.json()))
                            if response.text == "[ ]":
                                self.log("CREO RELACION")
                                crearRelation = True
                            else:
                                self.log("ENTRO SI EXISTE RELACIONES")
                                for j in response.json():
                                    self.log(str(j))
                                    existrelation = str(j['start'])
                                    idstart = existrelation.split("/")
                                    self.log(str(idstart))
                                    idfin = idstart[-1]
                                    if idfin == idnodestart:
                                        if j['metadata']['type'] == typeRelation:
                                            self.log("TODO ES IGUAL, RELACION EXISTENTE")
                                            crearRelation = False
                            if crearRelation:
                                self.log("ENTRO, nodo inicial: ")
                                endUrlnode = "node/"+idnodestart+"/relationships"
                                finalUrlrelation = self.url + endUrlnode
                                payload = '{"to": "'+idnodeend+'" , "type" : "'+typeRelation+'"}'
                                response = requests.post(finalUrlrelation, headers=headers, data=payload)
                                self.log("CREATE RELATION: " + str(response.json()))
                                
                        except Exception, ex:
                            self.log("Una Entidad no tiene ningun valor : " + str(ex))
                            self.log(str(traceback.format_exc()))
                            pass
                        
            except Exception, ex:
                self.log("ERROR antes de empezar el bucle : t" + str(ex))
                
        except Exception, ex:
            self.log("Error al inicio : "+str(ex))
               
Neo4jDynamicRelationUniqueId().run()