#!/usr/bin/env python3

"""

# Purpose: Get email addresses for users identified by permissionId in gam print driveactivity when the v2 option is not used

# Python: Use python or python3 below as appropriate to your system; verify that you have version 3

# $ python -V or python3 -V

# Python 3.x.y

# Usage:

# 1: Get permissionId from Drive Settings. Substitute for all users if applicable.

# $ Example: gam config auto_batch_min 1 redirect csv ./DriveSettings.csv multiprocess all users print drivesettings fields permissionid

# 2: Generate drive activity

# $ Example: gam config auto_batch_min 1 redirect csv ./DriveActivity.csv multiprocess <UserTypeEntity> print driveactivity ...

# 3: From DriveSettings.csv and DriveActivity.csv generate DriveActivityEmail.csv with the additional column user.emailAddress

# $ python3 GetDriveActivityEmailAddresses.py DriveSettings.csv DriveActivity.csv DriveActivityEmail.csv

"""

import csv

import sys

QUOTE_CHAR = '"' # Adjust as needed

LINE_TERMINATOR = '\n' # On Windows, you probably want '\r\n'

USER_PERMISSIONID = 'user.permissionId'

USER_EMAILADDRESS = 'user.emailAddress'

permissionIdEmailMap = {}

inputFile = open(sys.argv[1], 'r', encoding='utf-8')

for row in csv.DictReader(inputFile, quotechar=QUOTE_CHAR):

permissionIdEmailMap[row['permissionId']] = row['email']

inputFile.close()

inputFile = open(sys.argv[2], 'r', encoding='utf-8')

inputCSV = csv.DictReader(inputFile, quotechar=QUOTE_CHAR)

fieldnames = inputCSV.fieldnames[:]

fieldnames.insert(1, USER_EMAILADDRESS)

outputFile = open(sys.argv[3], 'w', encoding='utf-8', newline='')

outputCSV = csv.DictWriter(outputFile, fieldnames, lineterminator=LINE_TERMINATOR, quotechar=QUOTE_CHAR)

outputCSV.writeheader()

for row in inputCSV:

permissionId = row[USER_PERMISSIONID]

if permissionId not in permissionIdEmailMap:

permissionIdEmailMap[permissionId] = 'Unknown'

row[USER_EMAILADDRESS] = permissionIdEmailMap[permissionId]

outputCSV.writerow(row)

inputFile.close()

outputFile.close()