[gnome-contacts] LinkSuggestionGrid: try more fields for the extra info.

[Niels De Graef <nielsdg src gnome org>]

commit 67744bd8a811f7acca62df084caddff29adc4532
Author: Niels De Graef <nielsdegraef gmail com>
Date:   Thu Dec 28 21:42:04 2017 +0100

    LinkSuggestionGrid: try more fields for the extra info.

 src/contacts-link-suggestion-grid.vala |   37 +++++++++++++++++++++++++-------
 1 files changed, 29 insertions(+), 8 deletions(-)
---
diff --git a/src/contacts-link-suggestion-grid.vala b/src/contacts-link-suggestion-grid.vala
index 1546168..e8733b5 100644
--- a/src/contacts-link-suggestion-grid.vala
+++ b/src/contacts-link-suggestion-grid.vala
@@ -56,17 +56,38 @@ public class Contacts.LinkSuggestionGrid : Grid {
           _("Is this the same person as %s from %s?").printf (contact.display_name, 
contact.format_persona_stores ())
         : _("Is this the same person as %s?").printf (contact.display_name);
 
-    var emails = contact.individual.email_addresses;
-    if (!emails.is_empty) {
-      // This is of course a best guess.
-      var email = Utils.get_first<EmailFieldDetails>(emails);
-      if (email.value != null) {
-        this.extra_info_label.show ();
-        this.extra_info_label.label = email.value;
-      }
+    var extra_info = find_extra_description (contact);
+    if (extra_info != null) {
+      this.extra_info_label.show ();
+      this.extra_info_label.label = extra_info;
     }
 
     this.reject_button.clicked.connect ( () => suggestion_rejected ());
     this.accept_button.clicked.connect ( () => suggestion_accepted ());
   }
+
+  private string? find_extra_description (Contact contact) {
+    // First try an email address
+    var emails = contact.individual.email_addresses;
+    if (!emails.is_empty)
+      return Utils.get_first<EmailFieldDetails> (emails).value;
+
+    // Maybe a website? Works well with e.g. social media profiles
+    var urls = contact.individual.urls;
+    if (!urls.is_empty)
+      return Utils.get_first<UrlFieldDetails> (urls).value;
+
+    // Try a phone number
+    var phones = contact.individual.phone_numbers;
+    if (!phones.is_empty)
+      return Utils.get_first<PhoneFieldDetails> (phones).value;
+
+    // A postal address maybe?
+    var addresses = contact.individual.postal_addresses;
+    if (!addresses.is_empty)
+      return Utils.get_first<PostalAddressFieldDetails> (addresses).value.to_string ();
+
+    // We're out of ideas now.
+    return null;
+  }
 }