field_ios

In-the-field app for Radroots on iOS
git clone https://radroots.dev/git/field_ios.git
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TeraFoodDecimalEntry.swift (1891B)

      1 import Foundation
      2 
      3 /// Native entry translation only. Shared Rust constructors still validate the
      4 /// canonical amount, digit budget, price/quantity rules, currency and unit.
      5 enum TeraFoodDecimalEntry {
      6   static func canonicalOrRaw(_ raw: String?, locale: Locale) -> String? {
      7     guard let raw, !raw.isEmpty else { return raw }
      8     let separator = locale.decimalSeparator ?? "."
      9     // A canonical dot remains usable after a draft moves between locales.
     10     guard separator == "." || !raw.contains(separator) || !raw.contains(".") else { return raw }
     11     let text = raw.replacingOccurrences(of: separator, with: ".")
     12     let parts = text.split(separator: ".", omittingEmptySubsequences: false)
     13     guard parts.count <= 2, let first = parts.first, !first.isEmpty,
     14           parts.allSatisfy({ !$0.isEmpty }) else { return raw }
     15     var digits: [String] = []
     16     for part in parts {
     17       var translated = ""
     18       for character in part {
     19         guard character.unicodeScalars.count == 1,
     20               character.unicodeScalars.first?.properties.generalCategory == .decimalNumber,
     21               let value = character.wholeNumberValue else { return raw }
     22         translated += String(value)
     23       }
     24       digits.append(translated)
     25     }
     26     let integer = String(digits[0].drop(while: { $0 == "0" }))
     27     let whole = integer.isEmpty ? "0" : integer
     28     guard digits.count == 2 else { return whole }
     29     let fraction = String(digits[1].reversed().drop(while: { $0 == "0" }).reversed())
     30     return fraction.isEmpty ? whole : whole + "." + fraction
     31   }
     32 
     33   static func form(_ input: TeraAddForm, locale: Locale) -> TeraAddForm {
     34     guard input.commandType == .createFoodAvailability else { return input }
     35     var result = input
     36     result.priceAmount = canonicalOrRaw(input.priceAmount, locale: locale)
     37     result.quantity = canonicalOrRaw(input.quantity, locale: locale)
     38     return result
     39   }
     40 }