1 files changed, 100 insertions, 0 deletions
diff --git a/MediaBrowser.Controller/Entities/PeopleHelper.cs b/MediaBrowser.Controller/Entities/PeopleHelper.cs
new file mode 100644
index 000000000..3468ca2d5
--- /dev/null
+++ b/MediaBrowser.Controller/Entities/PeopleHelper.cs
@@ -0,0 +1,100 @@
+using MediaBrowser.Model.Entities;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace MediaBrowser.Controller.Entities
+{
+    public static class PeopleHelper
+    {
+        public static void AddPerson(List<PersonInfo> people, PersonInfo person)
+        {
+            if (person == null)
+            {
+                throw new ArgumentNullException("person");
+            }
+
+            if (string.IsNullOrWhiteSpace(person.Name))
+            {
+                throw new ArgumentNullException();
+            }
+
+            // Normalize
+            if (string.Equals(person.Role, PersonType.GuestStar, StringComparison.OrdinalIgnoreCase))
+            {
+                person.Type = PersonType.GuestStar;
+            }
+            else if (string.Equals(person.Role, PersonType.Director, StringComparison.OrdinalIgnoreCase))
+            {
+                person.Type = PersonType.Director;
+            }
+            else if (string.Equals(person.Role, PersonType.Producer, StringComparison.OrdinalIgnoreCase))
+            {
+                person.Type = PersonType.Producer;
+            }
+            else if (string.Equals(person.Role, PersonType.Writer, StringComparison.OrdinalIgnoreCase))
+            {
+                person.Type = PersonType.Writer;
+            }
+
+            // If the type is GuestStar and there's already an Actor entry, then update it to avoid dupes
+            if (string.Equals(person.Type, PersonType.GuestStar, StringComparison.OrdinalIgnoreCase))
+            {
+                var existing = people.FirstOrDefault(p => p.Name.Equals(person.Name, StringComparison.OrdinalIgnoreCase) && p.Type.Equals(PersonType.Actor, StringComparison.OrdinalIgnoreCase));
+
+                if (existing != null)
+                {
+                    existing.Type = PersonType.GuestStar;
+                    existing.SortOrder = person.SortOrder ?? existing.SortOrder;
+                    return;
+                }
+            }
+
+            if (string.Equals(person.Type, PersonType.Actor, StringComparison.OrdinalIgnoreCase))
+            {
+                // If the actor already exists without a role and we have one, fill it in
+                var existing = people.FirstOrDefault(p => p.Name.Equals(person.Name, StringComparison.OrdinalIgnoreCase) && (p.Type.Equals(PersonType.Actor, StringComparison.OrdinalIgnoreCase) || p.Type.Equals(PersonType.GuestStar, StringComparison.OrdinalIgnoreCase)));
+                if (existing == null)
+                {
+                    // Wasn't there - add it
+                    people.Add(person);
+                }
+                else
+                {
+                    // Was there, if no role and we have one - fill it in
+                    if (string.IsNullOrWhiteSpace(existing.Role) && !string.IsNullOrWhiteSpace(person.Role))
+                    {
+                        existing.Role = person.Role;
+                    }
+
+                    existing.SortOrder = person.SortOrder ?? existing.SortOrder;
+                }
+            }
+            else
+            {
+                var existing = people.FirstOrDefault(p =>
+                            string.Equals(p.Name, person.Name, StringComparison.OrdinalIgnoreCase) &&
+                            string.Equals(p.Type, person.Type, StringComparison.OrdinalIgnoreCase));
+
+                // Check for dupes based on the combination of Name and Type
+                if (existing == null)
+                {
+                    people.Add(person);
+                }
+                else
+                {
+                    existing.SortOrder = person.SortOrder ?? existing.SortOrder;
+                }
+            }
+        }
+
+        public static bool ContainsPerson(List<PersonInfo> people, string name)
+        {
+            if (string.IsNullOrWhiteSpace(name))
+            {
+                throw new ArgumentNullException("name");
+            }
+            return people.Any(i => string.Equals(i.Name, name, StringComparison.OrdinalIgnoreCase));
+        }
+    }
+}