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aggregate_totals.py
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aggregate_totals.py
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# Returns the total number of people analysed, smiling and male/female from DB
import psycopg2
import json
import credentials
# DB Table Ref:
# Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
# ----------+-----------------------------+-----------+----------+---------------------------------------+----------+--------------+-------------
# id | integer | | not null | nextval('mood_data_id_seq'::regclass) | plain | |
# streamid | character varying(50) | | not null | | extended | |
# emotion | character varying(50) | | not null | | extended | |
# smile | boolean | | not null | | plain | |
# age | integer | | not null | | plain | |
# gender | character varying(50) | | not null | | extended | |
# fatigue | integer | | not null | | plain | |
# location | character varying(50) | | not null | | extended | |
# time | timestamp without time zone | | not null | | plain | |
def aggregate_totals():
con = psycopg2.connect(
dbname=credentials.POSTGRES["DBname"],
user=credentials.POSTGRES["USER"],
password=credentials.POSTGRES["PASSWORD"],
host=credentials.POSTGRES["HOST"],
port=credentials.POSTGRES["PORT"],
)
# # Get total people
# cur = con.cursor()
# cur.execute("SELECT gender FROM mood_data;")
# rows = cur.fetchall()
# # peopleTotal = rows[0][0]
# print(rows)
# Get total people
cur = con.cursor()
cur.execute("SELECT count(*) FROM mood_data;")
rows = cur.fetchall()
peopleTotal = rows[0][0]
# print("Total People: " + str(peopleTotal))
# Get total Smily people
cur = con.cursor()
cur.execute("SELECT count(*) FROM mood_data Where smile = True;")
rows = cur.fetchall()
smileTotal = rows[0][0]
# print("Total Smiling: " + str(smileTotal))
# Get total male people
cur = con.cursor()
cur.execute("SELECT count(*) FROM mood_data Where gender = 'Male';")
rows = cur.fetchall()
maleTotal = rows[0][0]
# print("Total male: " + str(maleTotal))
# Get total male people
cur = con.cursor()
cur.execute("SELECT count(*) FROM mood_data Where gender = 'Female';")
rows = cur.fetchall()
femaleTotal = rows[0][0]
# print("Total female: " + str(femaleTotal))
con.close()
result = {}
result["totalPeople"] = peopleTotal
result["totalMale"] = maleTotal
result["totalFemale"] = femaleTotal
result["totalSmile"] = smileTotal
# print(result)
return result