Format phone numbers of contacts.

Signal/src/ViewControllers/ContactViewController.swift

@@ -209,19 +209,7 @@ class ContactViewController: OWSViewController, CNContactViewControllerDelegate
                                                     colorSeed: contact.displayName,
                                                     diameter: UInt(avatarSize),
                                                     contactsManager: contactsManager)
-//            [[OWSContactAvatarBuilder alloc] initWithNonSignalName:self.contactShare.displayName
-//                colorSeed:self.contactShare.displayName
-//                diameter:(NSUInteger)self.iconSize
-//                contactsManager:[Environment current].contactsManager];
         avatarView.image = avatarBuilder.build()
-//        [avatarView autoSetDimension:ALDimensionWidth toSize:self.iconSize];
-//        [avatarView autoSetDimension:ALDimensionHeight toSize:self.iconSize];
-//        [avatarView setCompressionResistanceHigh];
-//        [avatarView setContentHuggingHigh];
-
-//        let avatarView = UIView.container()
-//        avatarView.backgroundColor = UIColor.ows_materialBlue
-//        avatarView.layer.cornerRadius = avatarSize * 0.5
         topView.addSubview(avatarView)
         avatarView.autoPin(toTopLayoutGuideOf: self, withInset: 20)
         avatarView.autoHCenterInSuperview()
@@ -243,7 +231,7 @@ class ContactViewController: OWSViewController, CNContactViewControllerDelegate
 
         if let firstPhoneNumber = contact.phoneNumbers.first {
             let phoneNumberLabel = UILabel()
-            phoneNumberLabel.text = firstPhoneNumber.phoneNumber
+            phoneNumberLabel.text = PhoneNumber.bestEffortFormatE164(asLocalizedPhoneNumber: firstPhoneNumber.phoneNumber)
             phoneNumberLabel.font = UIFont.ows_dynamicTypeCaption2
             phoneNumberLabel.textColor = UIColor.black
             phoneNumberLabel.lineBreakMode = .byTruncatingTail
@@ -376,9 +364,11 @@ class ContactViewController: OWSViewController, CNContactViewControllerDelegate
 //        }
 
         for phoneNumber in contact.phoneNumbers {
-            // TODO: Try to format the phone number nicely.
+            let formattedPhoneNumber =
+        PhoneNumber.bestEffortFormatE164(asLocalizedPhoneNumber: phoneNumber.phoneNumber)
+
             addRow(createNameValueRow(name: phoneNumber.localizedLabel(),
-                                      value: phoneNumber.phoneNumber,
+                                      value: formattedPhoneNumber,
                                       actionBlock: {
                                         guard let url = NSURL(string: "tel:\(phoneNumber.phoneNumber)") else {
                                             owsFail("\(ContactViewController.logTag) could not open phone number.")
@@ -428,7 +418,7 @@ class ContactViewController: OWSViewController, CNContactViewControllerDelegate
         return row
     }
 
-    private func createNameValueRow(name: String, value: String, actionBlock : @escaping () -> Void) -> UIView {
+    private func createNameValueRow(name: String, value: String?, actionBlock : @escaping () -> Void) -> UIView {
         let row = TappableView(actionBlock: actionBlock)
         row.layoutMargins.left = 0
         row.layoutMargins.right = 0
@@ -444,7 +434,9 @@ class ContactViewController: OWSViewController, CNContactViewControllerDelegate
         nameLabel.autoPinTrailingToSuperviewMargin(withInset: hMargin)
 
         let valueLabel = UILabel()
-        valueLabel.text = value
+        if let value = value {
+            valueLabel.text = value
+        }
         valueLabel.font = UIFont.ows_dynamicTypeCaption1
         valueLabel.textColor = UIColor.ows_materialBlue
         valueLabel.lineBreakMode = .byTruncatingTail

Signal/src/ViewControllers/ConversationView/Cells/OWSContactShareView.m

@@ -136,7 +136,7 @@ NS_ASSUME_NONNULL_BEGIN
     NSString *_Nullable firstPhoneNumber = self.contactShare.phoneNumbers.firstObject.phoneNumber;
     if (firstPhoneNumber.length > 0) {
         UILabel *bottomLabel = [UILabel new];
-        bottomLabel.text = firstPhoneNumber;
+        bottomLabel.text = [PhoneNumber bestEffortFormatE164AsLocalizedPhoneNumber:firstPhoneNumber];
         // TODO:
         bottomLabel.textColor = [UIColor ows_darkGrayColor];
         bottomLabel.lineBreakMode = NSLineBreakByTruncatingTail;

SignalServiceKit/src/Contacts/PhoneNumber.h

@@ -1,5 +1,5 @@
 //
-//  Copyright (c) 2017 Open Whisper Systems. All rights reserved.
+//  Copyright (c) 2018 Open Whisper Systems. All rights reserved.
 //
 
 #define COUNTRY_CODE_PREFIX @"+"
@@ -30,6 +30,7 @@
 + (NSString *)bestEffortFormatPartialUserSpecifiedTextToLookLikeAPhoneNumber:(NSString *)input;
 + (NSString *)bestEffortFormatPartialUserSpecifiedTextToLookLikeAPhoneNumber:(NSString *)input
                                               withSpecifiedCountryCodeString:(NSString *)countryCodeString;
++ (NSString *)bestEffortFormatE164AsLocalizedPhoneNumber:(NSString *)phoneNumber;
 
 + (NSString *)regionCodeFromCountryCodeString:(NSString *)countryCodeString;
 

SignalServiceKit/src/Contacts/PhoneNumber.m

@@ -1,5 +1,5 @@
 //
-//  Copyright (c) 2017 Open Whisper Systems. All rights reserved.
+//  Copyright (c) 2018 Open Whisper Systems. All rights reserved.
 //
 
 #import "PhoneNumber.h"
@@ -119,6 +119,45 @@ static NSString *const RPDefaultsKeyPhoneNumberCanonical = @"RPDefaultsKeyPhoneN
     return result;
 }
 
++ (NSString *)formatIntAsEN:(int)value
+{
+    static NSNumberFormatter *formatter = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        formatter = [NSNumberFormatter new];
+        formatter.locale = [NSLocale localeWithLocaleIdentifier:@"en_US"];
+    });
+    return [formatter stringFromNumber:@(value)];
+}
+
++ (NSString *)bestEffortFormatE164AsLocalizedPhoneNumber:(NSString *)phoneNumber
+{
+    OWSAssert(phoneNumber);
+
+    PhoneNumber *_Nullable parsedPhoneNumber = [self tryParsePhoneNumberFromE164:phoneNumber];
+    if (!parsedPhoneNumber) {
+        DDLogWarn(@"%@ could not parse phone number.", self.logTag);
+        return phoneNumber;
+    }
+    NSNumber *_Nullable countryCode = [parsedPhoneNumber getCountryCode];
+    if (!countryCode) {
+        DDLogWarn(@"%@ parsed phone number has no country code.", self.logTag);
+        return phoneNumber;
+    }
+    NSString *countryCodeString = [self formatIntAsEN:countryCode.intValue];
+    if (countryCodeString.length < 1) {
+        DDLogWarn(@"%@ invalid country code.", self.logTag);
+        return phoneNumber;
+    }
+    NSString *_Nullable formattedPhoneNumber =
+        [self bestEffortFormatPartialUserSpecifiedTextToLookLikeAPhoneNumber:phoneNumber
+                                                     withSpecifiedRegionCode:countryCodeString];
+    if (!countryCode) {
+        DDLogWarn(@"%@ could not format phone number.", self.logTag);
+        return phoneNumber;
+    }
+    return formattedPhoneNumber;
+}
 
 + (NSString *)regionCodeFromCountryCodeString:(NSString *)countryCodeString {
     NBPhoneNumberUtil *phoneUtil = [PhoneNumberUtil sharedUtil].nbPhoneNumberUtil;