icydb 0.184.16

IcyDB — A schema-first typed query engine and persistence runtime for Internet Computer canisters
Documentation 
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//! Module: base::validator::intl::phone
//!
//! Responsibility: base validator definitions.
//! Does not own: sanitization policy, persistence, or schema mutation semantics.
//! Boundary: reports typed visitor issues for facade schema values.

use crate::{design::prelude::*, traits::Validator};

///
/// E164PhoneNumber
/// Ensures phone number is valid and E.164 compliant
///
/// NOTE: not currently E.164 standard as the phonenumber crate is heavy
/// and includes regex.  So it's rough E.164.
///

#[validator]
pub struct E164PhoneNumber;

impl Validator<str> for E164PhoneNumber {
    fn validate(&self, s: &str, ctx: &mut dyn VisitorContext) {
        if !s.starts_with('+') {
            ctx.issue("phone number must start with +");
            return;
        }

        let digits = s.chars().filter(char::is_ascii_digit).count();

        if !(7..=15).contains(&digits) {
            ctx.issue(format!(
                "phone number has {digits} digits; expected 7 to 15"
            ));
        }
    }
}