[folks] Migrate RoleDetails to AbstractFieldDetails.id

[Travis Reitter <treitter src gnome org>]

commit ba233588b1208c761e4512054626f6ddb6db8647
Author: Travis Reitter <travis reitter collabora co uk>
Date:   Thu Oct 20 10:24:14 2011 -0700

    Migrate RoleDetails to AbstractFieldDetails.id
    
    Deprecate Role.uid in favor of AbstractFieldDetails.id
    
    Helps: bgo#662433 - AbstractFieldDetails.equal() is ambiguous about
    checking parameters.

 NEWS                                      |    1 +
 backends/tracker/lib/trf-persona.vala     |    8 +++++---
 folks/role-details.vala                   |   29 +++++++++++++++++++++++++++++
 tests/tracker/role-details-interface.vala |   18 ++++++++++++++++++
 4 files changed, 53 insertions(+), 3 deletions(-)
---
diff --git a/NEWS b/NEWS
index 020a38a..0f973c6 100644
--- a/NEWS
+++ b/NEWS
@@ -7,6 +7,7 @@ API changes:
 * Add AbstractFieldDetails.id to identify instances of details
 * Deprecate PostalAddress.uid in favor of AbstractFieldDetails.id
 * Deprecate NoteFieldDetails.uid in favor of AbstractFieldDetails.id
+* Deprecate Role.uid in favor of AbstractFieldDetails.id
 
 Behavior changes:
 * PostalAddress.equal() now ignores PostalAddress.uid
diff --git a/backends/tracker/lib/trf-persona.vala b/backends/tracker/lib/trf-persona.vala
index 8867684..b37b0af 100644
--- a/backends/tracker/lib/trf-persona.vala
+++ b/backends/tracker/lib/trf-persona.vala
@@ -967,9 +967,10 @@ public class Trf.Persona : Folks.Persona,
           var title = r_info[Trf.RoleFields.TITLE];
           var organisation = r_info[Trf.RoleFields.DEPARTMENT];
 
-          var new_role = new Role (title, organisation, tracker_id);
+          var new_role = new Role (title, organisation, null);
           new_role.role = role;
           var role_fd = new RoleFieldDetails (new_role);
+          role_fd.id = tracker_id;
           role_fds.add (role_fd);
         }
 
@@ -981,9 +982,10 @@ public class Trf.Persona : Folks.Persona,
 
   internal bool _add_role (string tracker_id, string? role, string? title, string? org)
     {
-      var new_role = new Role (title, org, tracker_id);
+      var new_role = new Role (title, org, null);
       new_role.role = role;
       var role_fd = new RoleFieldDetails (new_role);
+      role_fd.id = tracker_id;
       if (this._roles.add (role_fd))
         {
           this.notify_property ("roles");
@@ -996,7 +998,7 @@ public class Trf.Persona : Folks.Persona,
     {
       foreach (var role_fd in this._roles)
         {
-          if (role_fd.value.uid == tracker_id)
+          if (role_fd.id == tracker_id)
             {
               this._roles.remove (role_fd);
               this.notify_property ("roles");
diff --git a/folks/role-details.vala b/folks/role-details.vala
index 890acfc..f13b7a2 100644
--- a/folks/role-details.vala
+++ b/folks/role-details.vala
@@ -68,9 +68,11 @@ public class Folks.Role : Object
       set { this._role = (value != null ? value : ""); }
     }
 
+  private string _uid;
   /**
    * The UID that distinguishes this role.
    */
+  [Deprecated (since = "UNRELEASED", replacement = "AbstractFieldDetails.id")]
   public string uid
     {
       get { return _uid; }
@@ -143,6 +145,23 @@ public class Folks.Role : Object
  */
 public class Folks.RoleFieldDetails : AbstractFieldDetails<Role>
 {
+  private string _id;
+  /**
+   * { inheritDoc}
+   */
+  public override string id
+    {
+      get { return this._id; }
+      set
+        {
+          this._id = (value != null ? value : "");
+
+          /* Keep the Role.uid sync'd from our id */
+          if (this._id != this.value.uid)
+            this.value.uid = this._id;
+        }
+    }
+
   /**
    * Create a new RoleFieldDetails.
    *
@@ -161,6 +180,16 @@ public class Folks.RoleFieldDetails : AbstractFieldDetails<Role>
       this.value = value;
       if (parameters != null)
         this.parameters = parameters;
+
+      /* We keep these sync'd both directions */
+      this.id = this.value.uid;
+
+      /* Keep the Role.uid sync'd to our id */
+      this.value.notify["uid"].connect ((s, p) =>
+        {
+          if (this.id != this.value.uid)
+            this.id = this.value.uid;
+        });
     }
 
   /**
diff --git a/tests/tracker/role-details-interface.vala b/tests/tracker/role-details-interface.vala
index beea993..79baadc 100644
--- a/tests/tracker/role-details-interface.vala
+++ b/tests/tracker/role-details-interface.vala
@@ -115,8 +115,26 @@ public class RoleDetailsInterfaceTests : Folks.TestCase
                   var role_expected = new Role ("boss", "Company");
                   role_expected.role = "Role";
                   var role_fd_expected = new RoleFieldDetails (role_expected);
+
+                  /* We copy the tracker_id - we don't know it.
+                   * We could get it from the 1st personas iid but there is no
+                   * real need. */
+                  role_fd_expected.id = role_fd.id;
+
                   if (role_fd.equal (role_fd_expected))
                     {
+                      /* Ensure that setting the Role uid directly (which is
+                       * deprecated) is equivalent to setting the id on a
+                       * RoleFieldDetails directly */
+                      var role_2 = new Role (
+                          role_expected.title,
+                          role_expected.organisation_name,
+                          role_fd.id);
+                      role_2.role = role_expected.role;
+                      var role_fd_2 = new RoleFieldDetails (role_2);
+                      assert (role_fd.equal (role_fd_2));
+                      assert (role_fd.id == role_fd_2.id);
+
                       this._found_role = true;
                       this._main_loop.quit ();
                     }