# Path: duckpond/apps/service/app.py
# def authenticate(f):
#    def wrapper(*args, **kwargs):
# def before_request():
# 
# Path: duckpond/data/sparql.py
# class SPARQL:
# 
#    def __init__(self):
#       self.statement = io.StringIO()
# 
#    def start(self,prefixes):
#       for key in prefixes:
#          self.statement.write('prefix {}: {}\n'.format(key,uri(prefixes[key])))
#       return self
# 
#    def construct(self,names):
#       self.statement.write('construct {')
#       for name in names:
#          write_var(self.statement,name)
#          self.statement.write(' ')
#       self.statement.write('}\n')
#       return self
# 
#    def select(self,names):
#       self.statement.write('select ')
#       for name in names:
#          write_var(self.statement,name)
#          self.statement.write(' ')
#       self.statement.write('\n')
#       return self
# 
#    def fromGraphs(self,graphs):
#       for graph in graphs:
#          self.statement.write('from {0}\n'.format(uri(graph)))
#       return self
# 
#    def fromNameGraphs(self,graphs):
#       for graph in graphs:
#          self.statement.write('from named {0}\n'.format(uri(graph)))
#       return self
# 
#    def withGraph(self,graph):
#       self.statement.write("with {0}\n".format(uri(graph)))
#       return self
# 
#    def where(self,*expressions):
#       self.statement.write('where {')
#       for expression in expressions:
#          self.statement.write(str(expression))
#          self.statement.write('\n')
#       self.statement.write('}\n')
#       return self
# 
#    def group(self,*expressions):
#       self.statement.write('{')
#       for expression in expressions:
#          self.statement.write(str(expression))
#          self.statement.write('\n')
#       self.statement.write('}\n')
#       return self
# 
#    def insert(self,*expressions):
#       self.statement.write('insert data {')
#       for expression in expressions:
#          self.statement.write(str(expression))
#          self.statement.write('\n')
#       self.statement.write('}\n')
#       return self
# 
#    def delete(self,*expressions):
#       self.statement.write('delete data {')
#       for expression in expressions:
#          self.statement.write(str(expression))
#          self.statement.write('\n')
#       self.statement.write('}\n')
#       return self
# 
#    def anyGraph(self,*expressions):
#       self.statement.write('graph ?g {')
#       for expression in expressions:
#          self.statement.write(str(expression))
#          self.statement.write('\n')
#       self.statement.write('}\n')
#       return self
# 
#    def forGraph(self,graph,*expressions):
#       self.statement.write('graph {0} {'.format(uri(graph)))
#       for expression in expressions:
#          self.statement.write(str(expression))
#          self.statement.write('\n')
#       self.statement.write('}\n')
#       return self
# 
#    def newline(self):
#       self.statement.write('\n')
#       return self;
# 
#    def orderBy(self,*expressions):
#       self.statement.write('order by ')
#       first = True
#       for expression in expressions:
#          if not first:
#             self.statement.write(',')
#          self.statement.write(str(expression))
#       self.statement.write('\n')
#       return self
# 
#    def groupBy(self,expression):
#       self.statement.write('group by ')
#       self.statement.write(expression)
#       self.statement.write('\n')
#       return self
# 
#    def __str__(self):
#       return self.statement.getvalue()


import io,json
import requests
import urllib
import uuid
from datetime import datetime
from pytz import timezone
from enum import Enum
from flask import render_template, redirect, request, url_for, escape, flash, g, abort, make_response, Response, stream_with_context
from .app import app
from duckpond.data.sparql import SPARQL

def now():
   return datetime.now(tz=timezone(app.config['TIMEZONE'] if 'TIMEZONE' in app.config else 'UTC')).isoformat()

def contentSubject(url):
   service = app.config['UPDATE_SERVICE']
   q = SPARQL() \
         .start({ 'schema' : 'http://schema.org/'}) \
         .select(['s']) \
         .where('?s schema:url <{}>'.format(url) )
   subjects = service.query(q)
   #print(subjects)
   return uri(subjects['values'][0][0]) if len(subjects['values'])>0 else None

def mediaSubject(s,url):
   service = app.config['UPDATE_SERVICE']
   q = SPARQL() \
         .start({ 'schema' : 'http://schema.org/'}) \
         .select(['s','p']) \
         .where('<{0}> ?p ?s . ?s schema:contentUrl <{1}>'.format(s,url) )
   subjects = service.query(q)
   #print(subjects)
   return (uri(subjects['values'][0][0]),uri(subjects['values'][0][1])) if len(subjects['values'])>0 else (None,None)

def mediaProperties(s,url,*names):
   service = app.config['UPDATE_SERVICE']
   expr = '<{0}> ?p ?s . ?s schema:contentUrl <{1}>'.format(s,url)
   for index,name in enumerate(names):
      expr += ';'
      expr += ' schema:'+name+' ?'+name

# Path: duckpond/apps/service/app.py
# def authenticate(f):
#    def wrapper(*args, **kwargs):
# def before_request():
# 
# Path: duckpond/data/sparql.py
# class SPARQL:
# 
#    def __init__(self):
#       self.statement = io.StringIO()
# 
#    def start(self,prefixes):
#       for key in prefixes:
#          self.statement.write('prefix {}: {}\n'.format(key,uri(prefixes[key])))
#       return self
# 
#    def construct(self,names):
#       self.statement.write('construct {')
#       for name in names:
#          write_var(self.statement,name)
#          self.statement.write(' ')
#       self.statement.write('}\n')
#       return self
# 
#    def select(self,names):
#       self.statement.write('select ')
#       for name in names:
#          write_var(self.statement,name)
#          self.statement.write(' ')
#       self.statement.write('\n')
#       return self
# 
#    def fromGraphs(self,graphs):
#       for graph in graphs:
#          self.statement.write('from {0}\n'.format(uri(graph)))
#       return self
# 
#    def fromNameGraphs(self,graphs):
#       for graph in graphs:
#          self.statement.write('from named {0}\n'.format(uri(graph)))
#       return self
# 
#    def withGraph(self,graph):
#       self.statement.write("with {0}\n".format(uri(graph)))
#       return self
# 
#    def where(self,*expressions):
#       self.statement.write('where {')
#       for expression in expressions:
#          self.statement.write(str(expression))
#          self.statement.write('\n')
#       self.statement.write('}\n')
#       return self
# 
#    def group(self,*expressions):
#       self.statement.write('{')
#       for expression in expressions:
#          self.statement.write(str(expression))
#          self.statement.write('\n')
#       self.statement.write('}\n')
#       return self
# 
#    def insert(self,*expressions):
#       self.statement.write('insert data {')
#       for expression in expressions:
#          self.statement.write(str(expression))
#          self.statement.write('\n')
#       self.statement.write('}\n')
#       return self
# 
#    def delete(self,*expressions):
#       self.statement.write('delete data {')
#       for expression in expressions:
#          self.statement.write(str(expression))
#          self.statement.write('\n')
#       self.statement.write('}\n')
#       return self
# 
#    def anyGraph(self,*expressions):
#       self.statement.write('graph ?g {')
#       for expression in expressions:
#          self.statement.write(str(expression))
#          self.statement.write('\n')
#       self.statement.write('}\n')
#       return self
# 
#    def forGraph(self,graph,*expressions):
#       self.statement.write('graph {0} {'.format(uri(graph)))
#       for expression in expressions:
#          self.statement.write(str(expression))
#          self.statement.write('\n')
#       self.statement.write('}\n')
#       return self
# 
#    def newline(self):
#       self.statement.write('\n')
#       return self;
# 
#    def orderBy(self,*expressions):
#       self.statement.write('order by ')
#       first = True
#       for expression in expressions:
#          if not first:
#             self.statement.write(',')
#          self.statement.write(str(expression))
#       self.statement.write('\n')
#       return self
# 
#    def groupBy(self,expression):
#       self.statement.write('group by ')
#       self.statement.write(expression)
#       self.statement.write('\n')
#       return self
# 
#    def __str__(self):
#       return self.statement.getvalue()


# Path: duckpond/apps/service/api.py
import io,json
import requests
import urllib
import uuid
from datetime import datetime
from pytz import timezone
from enum import Enum
from flask import render_template, redirect, request, url_for, escape, flash, g, abort, make_response, Response, stream_with_context
from .app import app
from duckpond.data.sparql import SPARQL


def now():
   return datetime.now(tz=timezone(app.config['TIMEZONE'] if 'TIMEZONE' in app.config else 'UTC')).isoformat()

def contentSubject(url):
   service = app.config['UPDATE_SERVICE']
   q = SPARQL() \
         .start({ 'schema' : 'http://schema.org/'}) \
         .select(['s']) \
         .where('?s schema:url <{}>'.format(url) )
   subjects = service.query(q)
   #print(subjects)
   return uri(subjects['values'][0][0]) if len(subjects['values'])>0 else None

def mediaSubject(s,url):
   service = app.config['UPDATE_SERVICE']
   q = SPARQL() \
         .start({ 'schema' : 'http://schema.org/'}) \
         .select(['s','p']) \
         .where('<{0}> ?p ?s . ?s schema:contentUrl <{1}>'.format(s,url) )
   subjects = service.query(q)
   #print(subjects)
   return (uri(subjects['values'][0][0]),uri(subjects['values'][0][1])) if len(subjects['values'])>0 else (None,None)

def mediaProperties(s,url,*names):
   service = app.config['UPDATE_SERVICE']
   expr = '<{0}> ?p ?s . ?s schema:contentUrl <{1}>'.format(s,url)
   for index,name in enumerate(names):
      expr += ';'
      expr += ' schema:'+name+' ?'+name

   q = SPARQL() \