public static bool Validate_Drawing(SubPrompt prompt, UserSubForm subForm)
{
bool promptedForDrawing = prompt.Drawing != null;
bool providedDrawing = !string.IsNullOrWhiteSpace(subForm.Drawing);
return(promptedForDrawing == providedDrawing);
}
public static bool Validate_ColorPicker(SubPrompt prompt, UserSubForm subForm)
{
bool promptedForColorPicker = prompt.ColorPicker;
bool providedColorPicker = !string.IsNullOrWhiteSpace(subForm.Color);
return(promptedForColorPicker == providedColorPicker);
}
public static bool Validate_ShortAnswer(SubPrompt prompt, UserSubForm subForm)
{
bool promptedForShortAnswer = prompt.ShortAnswer;
bool providedShortAnswer = !string.IsNullOrWhiteSpace(subForm.ShortAnswer);
return(promptedForShortAnswer == providedShortAnswer);
}
public static bool Validate_Dropdown(SubPrompt prompt, UserSubForm subForm)
{
bool promptedForDropdown = prompt.Dropdown != null;
bool providedDropdown = subForm.DropdownChoice.HasValue;
bool validSubmission = !providedDropdown || (subForm.DropdownChoice.Value >= 0 && subForm.DropdownChoice.Value < prompt.Dropdown.Length);
return((promptedForDropdown == providedDropdown) && validSubmission);
}
public static bool Validate_Selector(SubPrompt prompt, UserSubForm subForm)
{
bool promptedForSelector = prompt.Selector != null;
bool providedSelector = subForm.Selector.HasValue;
bool submissionValid = !providedSelector || (subForm.Selector.Value >= 0 && subForm.Selector.Value < (prompt.Selector?.ImageList?.Length ?? 0));
return((promptedForSelector == providedSelector) && submissionValid);
}
public static bool Validate_Answers(SubPrompt prompt, UserSubForm subForm)
{
bool promptedForAnswers = prompt.Answers != null;
bool providedAnswers = subForm.RadioAnswer.HasValue;
bool submissionValid = !providedAnswers || (subForm.RadioAnswer.Value >= 0 && subForm.RadioAnswer.Value < prompt.Answers.Length);
return((promptedForAnswers == providedAnswers) && submissionValid);
}
public static bool Validate_Slider(SubPrompt prompt, UserSubForm subForm)
{
bool promptedForSlider = prompt.Slider != null;
bool providedSlider = subForm.Slider != null;
if (!promptedForSlider || !providedSlider)
{
return(promptedForSlider == providedSlider);
}
bool validSubmission = true;
// Range sliders should have a list of length 2 (min, max). Nonrange sliders should only have one value.
validSubmission &= (subForm.Slider.Count == (prompt.Slider.Range ? 2 : 1));
validSubmission &= subForm.Slider.All(val => (val >= prompt.Slider.Min) && (val <= prompt.Slider.Max));
validSubmission &= subForm.Slider.Count == 1 || (subForm.Slider[0] <= subForm.Slider[1]);
return(validSubmission);
}
public abstract T AnswerExtractor(UserSubForm subForm);
public static CleanUserFormInputResult CleanUserFormInput(UserPrompt userPrompt, ref UserFormSubmission userInput, out string error)
{
// No data submitted / requested
if (userInput == null || userPrompt == null)
{
error = "Try again or try refreshing the page.";
userInput = UserFormSubmission.WithNulls(userPrompt);
return(CleanUserFormInputResult.Invalid);
}
// Old data submitted.
if (userInput.Id != userPrompt.Id)
{
error = "Outdated form submitted, try again or try refreshing the page.";
userInput = UserFormSubmission.WithNulls(userPrompt);
return(CleanUserFormInputResult.Invalid);
}
// No prompts requested.
if (userPrompt?.SubPrompts == null || userPrompt.SubPrompts.Length == 0)
{
userInput = UserFormSubmission.WithNulls(userPrompt);
error = "";
return(CleanUserFormInputResult.Valid);
}
if (userInput?.SubForms == null || (userPrompt.SubPrompts.Length != userInput.SubForms.Count))
{
error = "Error in submission, try again or try refreshing the page.";
userInput = UserFormSubmission.WithNulls(userPrompt);
return(CleanUserFormInputResult.Invalid);
}
int i = 0;
CleanUserFormInputResult result = CleanUserFormInputResult.Valid;
error = string.Empty;
foreach (SubPrompt prompt in userPrompt?.SubPrompts ?? new SubPrompt[0])
{
UserSubForm subForm = userInput.SubForms[i];
if (!(PromptInputValidation.Validate_Drawing(prompt, subForm) &&
PromptInputValidation.Validate_ShortAnswer(prompt, subForm) &&
PromptInputValidation.Validate_ColorPicker(prompt, subForm) &&
PromptInputValidation.Validate_Answers(prompt, subForm) &&
PromptInputValidation.Validate_Selector(prompt, subForm) &&
PromptInputValidation.Validate_Dropdown(prompt, subForm) &&
PromptInputValidation.Validate_Slider(prompt, subForm)))
{
error = "Not all form fields have been filled out";
result = CleanUserFormInputResult.Cleaned;
// Invalid fields get set to null (used in autosubmit partial submission flows).
userInput.SubForms[i] = new UserSubForm()
{
Id = prompt.Id
};
}
i++;
}
return(result);
}
