Sindbad~EG File Manager

from sqlalchemy import create_engine, MetaData, Table, insert, select,update,delete,text
from sqlalchemy.sql import and_, or_
from core import app
import json

engine_conf     = create_engine(app.config['DATABASE_URI_CONF'],pool_size=5000,pool_pre_ping=True,pool_recycle=3600)
engine      	= create_engine(app.config['DATABASE_URI'],pool_size=5000,pool_pre_ping=True,pool_recycle=3600)


class LocationScanModel():
	def __init__(self):
		try:
			self.meta = MetaData()
			
		except Exception as e:
			print(e)


	def insert_location_scan_data(self,conf_id,user_id,qr_id,created_at,created_date):
		sets = []
		try:
			connection = engine_conf.raw_connection()
			cursor = connection.cursor()
			cursor.callproc("save_location_scan_data",[conf_id,user_id,qr_id,created_at,created_date])
			while 1:
				#(column_name, type_, ignore_, ignore_, ignore_, null_ok, column_flags)
				names = [c[0] for c in cursor.description]
				set_ = []
				while 1:
					row_raw = cursor.fetchone()
					if row_raw is None:
						break
						
					row = dict(zip(names, row_raw))
					set_.append(row)
	 
				sets.append(list(set_))
	 
				if cursor.nextset() is None:
					break
	 
				# nextset() doesn't seem to be sufficiant to tell the end.
				if cursor.description is None:
					break
		finally:
			# Return the connection to the pool (won't actually close).
			connection.commit()
			connection.close()
		
		return sets


	def get_scan_user(self,conf_id,user_id):
		conn = engine_conf.connect()
		where_con = " " 
		base_stmt  =  "select qg.qr_id,qg.location,qg.is_visible,lsl.created_date,lsl.created_at,u.prefix,u.user_id,u.gender,u.full_name,u.email,u.mobile  from numerotech_primary_db_conf.qr_generate qg inner join numerotech_primary_db_conf.location_scan_logs lsl on qg.qr_id = lsl.qr_id  inner join numerotech_primary_db.users u  on u.user_id = lsl.user_id  inner join numerotech_primary_db.conference c on c.society_id = u.society_id  where c.conf_id = "+str(conf_id) + " "
		if user_id :
			where_con = " and lsl.user_id = "+str(user_id) 

		sql_1 = base_stmt+where_con
		stmt = text(sql_1)	
		
		result=conn.execute(stmt)
		results = [dict(r) for r in result] if result else None
		conn.close()
		if results : 
			return results
		else:
			return None
	
	def getLocationScanCount(self,conf_id,user_id):
		conn = engine_conf.connect()
		stmt = text("select count( user_id) as user_scan_count from location_scan_logs where conf_id = "+str(conf_id)+"  and user_id = "+str(user_id)+" ;")
		result=conn.execute(stmt)
		results = [dict(r) for r in result] if result else None
		conn.close()
		if results : 
			return results[0]
		else:
			return None