[folks/wip/arbitrary-field-interface] Implement ExtendedInfo in Individual

[Rodrigo Moya <rodrigo src gnome org>]

commit 06216414dca6fd68beadda28a44e42ba99d8b193
Author: Rodrigo Moya <rodrigo gnome-db org>
Date:   Fri Jul 5 14:09:22 2013 +0200

    Implement ExtendedInfo in Individual

 folks/extended-info.vala |    4 +-
 folks/individual.vala    |   77 ++++++++++++++++++++++++++++++++++++++++++++++
 folks/persona-store.vala |    7 ++++
 3 files changed, 86 insertions(+), 2 deletions(-)
---
diff --git a/folks/extended-info.vala b/folks/extended-info.vala
index af04ef5..14b9585 100644
--- a/folks/extended-info.vala
+++ b/folks/extended-info.vala
@@ -45,7 +45,7 @@ public class Folks.ExtendedFieldDetails : AbstractFieldDetails<string>
    * @since 0.9.4
    */
   public ExtendedFieldDetails (string value,
-                                                          MultiMap<string, string>? parameters = null)
+                               MultiMap<string, string>? parameters = null)
     {
       if (value == "")
         {
@@ -111,4 +111,4 @@ public interface Folks.ExtendedInfo : Object
       throw new PropertyError.NOT_WRITEABLE (
           _("Extended fields are not writeable on this contact."));
        }
-}
\ No newline at end of file
+}
diff --git a/folks/individual.vala b/folks/individual.vala
index b94bb15..fd1315a 100644
--- a/folks/individual.vala
+++ b/folks/individual.vala
@@ -86,6 +86,7 @@ public class Folks.Individual : Object,
     AvatarDetails,
     BirthdayDetails,
     EmailDetails,
+    ExtendedInfo,
     FavouriteDetails,
     GenderDetails,
     GroupDetails,
@@ -958,6 +959,82 @@ public class Folks.Individual : Object,
     }
 
   /**
+   * { inheritDoc}
+   *
+   * @since 0.9.4
+   */
+  public ExtendedFieldDetails get_extended_field (string name)
+    {
+      debug ("Getting extended field '%s' on '%s'…", name, this.id);
+
+      /* Try to get it from the writeable Personas which have "extended_info"
+       * as a writeable property. */
+      foreach (var p in this._persona_set)
+        {
+          if ("extended_info" in p.writeable_properties)
+            {
+              var e = p as ExtendedInfo;
+              return e.get_extended_field (name);
+            }
+        }
+
+      return null;
+       }
+
+  /**
+   * { inheritDoc}
+   *
+   * @since 0.9.4
+   */
+  public async void change_extended_field (
+      string name, ExtendedFieldDetails value) throws PropertyError
+    {
+      debug ("Setting extended field '%s' on '%s'…", name, this.id);
+
+      PropertyError? persona_error = null;
+      var prop_changed = false;
+
+         /* Try to write it to only the writeable Personas which have "extended_info"
+       * as a writeable property. */
+      foreach (var p in this._persona_set)
+        {
+          if ("extended_info" in p.writeable_properties)
+            {
+              var e = p as ExtendedInfo;
+              try
+                {
+                  yield e.change_extended_field (name, value);
+                  debug ("    written to writeable persona '%s'", p.uid);
+                  prop_changed = true;
+                }
+              catch (PropertyError e)
+                {
+                                 /* Store the first error so we can throw it if setting the
+                   * nickname fails on every other persona. */
+                  if (persona_error == null)
+                    {
+                      persona_error = e;
+                    }
+                }
+            }
+        }
+
+      /* Failure? Changing the property failed on every suitable persona found
+       * (and potentially zero suitable personas were found). */
+      if (prop_changed == false)
+        {
+          if (persona_error == null)
+            {
+              persona_error = new PropertyError.NOT_WRITEABLE (
+                  _("Failed to change property ‘%s’: No suitable personas were found."),
+                  "extended_info");
+            }
+
+          throw persona_error;
+        }
+       }
+
+  /**
    * The set of { link Persona}s encapsulated by this Individual.
    *
    * There must always be at least one Persona in this set.
diff --git a/folks/persona-store.vala b/folks/persona-store.vala
index 4d6359d..bad4537 100644
--- a/folks/persona-store.vala
+++ b/folks/persona-store.vala
@@ -309,6 +309,13 @@ public enum Folks.PersonaDetail
    * @since 0.7.3
    */
   ANTI_LINKS,
+
+  /**
+   * Field for { link ExtendedFieldDetails}.
+   *
+   * @since 0.9.4
+   */
+  EXTENDED_INFO,
 }
 
 /**