validateFields.py

"""
Validate specific fields like username and password

Input the data and output the error
"""
from tabnanny import check
from validationChecks import presenceCheck, checkAllowedCharacters, lengthCheck, checkIfStringContainsLettersAndNumbers, checkIfValueIsUsed, formatCheck

# Presence check and allowed characters check
def validateUsername(username) :
    feedbackText = ""

    if checkAllowedCharacters("qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM-1234567890", username) == "FAIL" :
        feedbackText = "Sorry, you can only enter alphabetical characters, numerical characters, and -"

    if presenceCheck(username) == "FAIL" :
        feedbackText = "Sorry, you need to enter your username"

    if checkIfValueIsUsed(username, "database/users.csv", 1, True) == "FAIL" :
        feedbackText = "Sorry, this username has already been used!"

    return feedbackText


# Allowed characters, presence, and value used check
def checkChatroomName(chatroomName) :
    feedbackText = ""

    if checkAllowedCharacters("qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM-1234567890 ¬`£$!%^&*()_=+[]:;@'~#<>.?/|", chatroomName) == "FAIL" :
        feedbackText = "Sorry, you can only enter alphabetical characters, numerical characters, and some special characters"

    if presenceCheck(chatroomName) == "FAIL" :
        feedbackText = "Sorry, you need to enter the chatroom name"

    if checkIfValueIsUsed(chatroomName, "database/chatrooms.csv", 2, False) == "FAIL" :
        feedbackText = "Sorry, this name has already been used!"

    return feedbackText

# Allowed characters, presence, and value used check
def validateFlashcardName(flashcardName) :
    feedbackText = ""

    if checkAllowedCharacters("qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM-1234567890 ¬`£$!%^&*()_=+[]:;@'~#<>.?/|", flashcardName) == "FAIL" :
        feedbackText = "Sorry, you can only enter alphabetical characters, numerical characters, and some special characters"

    if presenceCheck(flashcardName) == "FAIL" :
        feedbackText = "Sorry, you need to enter the flashcard name"

    if checkIfValueIsUsed(flashcardName, "database/flashcards.csv", 1, False) == "FAIL" :
        feedbackText = "Sorry, this name has already been used!"

    return feedbackText

# Presence check
# Allowed character check not done because the langauge could be written in any language, so it can't easily be checked
def validateChatroomLanguage (language) :
    feedbackText = ""

    if presenceCheck(language) == "FAIL" :
        feedbackText = "Sorry, you need to enter the chatroom name"


    return feedbackText


# Presence check, length check, allowed characters check, double entry and characters and numbers check
def validatePassword(password, passwordConfirmation) :
    feedbackText = ""


    if checkAllowedCharacters("!£$%^&*()_-+={]}[<>.\|qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM-1234567890", password) == "FAIL" :
        feedbackText = "Sorry, you can only enter alphabetical characters, numerical characters, and a few special characters"

    if lengthCheck(password, 8) == "FAIL" :
        feedbackText = "Sorry, your password must be longer than 8 characters"
    
    if checkIfStringContainsLettersAndNumbers(password) == "FAIL" :
        feedbackText = "Sorry, your password must contain both letters and numbers"

    if presenceCheck(password) == "FAIL" :
        feedbackText = "Sorry, you need to enter your password"

    if password != passwordConfirmation :
        feedbackText = "Sorry, your two passwords do not match"

    return feedbackText

# check allowed characters and format check
def validateEmail(email) :
    feedbackText = ""

    # Allow the email to be blank, otherwise it will fail the format check
    if email == "" :
        return feedbackText

    if checkAllowedCharacters("@!£$%^&*()_-+={]}[<>.\|qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM-1234567890", email) == "FAIL" :
        feedbackText = "Sorry, you can only enter alphabetical characters, numerical characters, and a few special characters"

    if formatCheck(email, r'^\S+@\S+\.\S+$') == "FAIL" :
        feedbackText = "Sorry, you need to enter a valid email address"

    return feedbackText

# Check if flashcard does not contain ","
def validateFlashcard(flashcard) :
    feedbackText = ""
    
    if flashcard != "":
        if "," in flashcard or "/" not in flashcard:
            feedbackText = "Sorry, you can't use a comma in your flashcard"
    
    return feedbackText