def find_restaurants(address, cuisine, walk_time, inspection, rating=None):
'''
Takes parameters and searches for restaurants matching the search criteria.
Returns a tuple with a header and a list of tuples representing restaurants
This code uses sqlite3 to search the yelp table and healthfails table
'''
#creates the database using yelp_search in yelpapi
yelpapi.yelp_search(address, cuisine)
connection_yelp = sqlite3.connect("yelp_database")
db = connection_yelp.cursor()
header = []
#creates header in the form of a row in the Food_Search return value
header_list = ['Restaurants', 'Address', 'Rating', 'Phone', 'Walking Time']
for i in range(len(header_list)):
header.append((header_list[i], False))
#sqlite 3 search strings initialization
selectline = 'SELECT yelp_results.name, yelp_results.address, yelp_results.rating, yelp_results.phone_number, yelp_results.walking_time'
fromline = ' FROM yelp_results'
whereline = ' WHERE yelp_results.walking_time < ?'
#adds to sqlite3 search strings as necesary if inspection
if inspection:
selectline += ', healthfails.Risk'
header.append(('Risk', False))
fromline += ' LEFT OUTER JOIN healthfails ON yelp_results.address=healthfails.Address COLLATE NOCASE'
#creates end_list (we are always searching for walk_time)
end_list = [walk_time]
#appends to lines and end_list as necesary if rating parameter
if not rating == None:
whereline += ' and yelp_results.rating >= ?'
end_list.append(rating)
#executes the search, drops the table and closes the database
r = db.execute(selectline + fromline + whereline + ';', end_list)
tuple_list = r.fetchall()
yelpapi.drop_yelp_table("yelp_results")
db.close()
return (header,tuple_list)
def find_food_trucks(address, cuisine, walking_time, rating = None):
'''
Takes parameters and searches for foodtrucks matching the search criteria.
Returns a tuple with a header and a list of tuples representing restaurants
This code uses sqlite3 to search the yelp food truck table
'''
#calls yelp_search_food_trucks in yelpapi
yelpapi.yelp_search_food_trucks(address, cuisine)
connection_yelp = sqlite3.connect("yelp_database")
db = connection_yelp.cursor()
#constructs the header row as required in Food_search
header = []
header_list = ['Food Trucks', 'Rating', 'Phone', 'Arrive Time', 'Depart Time']
for i in range(len(header_list)):
header.append((header_list[i], False))
#initializes the sqlite3 search strings
selectline = 'SELECT yelp_food_trucks.name, yelp_food_trucks.rating, yelp_food_trucks.phone_number, yelp_food_trucks.arrive_time, yelp_food_trucks.leave_time'
fromline = ' FROM yelp_food_trucks'
whereline = ' WHERE yelp_food_trucks.walking_time < ?'
#initializes end_list
end_list = [walking_time]
#handles the case of searching for a specific rating
if not rating == None:
whereline += ' and yelp_food_trucks.rating >= ?'
end_list.append(rating)
#does the sqlite3 search and returns, closes the database and drops the table
r=db.execute(selectline + fromline + whereline + ';', end_list)
tuple_list = r.fetchall()
db.close()
yelpapi.drop_yelp_table("yelp_food_trucks")
return (header, tuple_list)
def drop():
'''
This code was only used for testing, drops the table yelp_results.
'''
yelpapi.drop_yelp_table("yelp_results")
