Restrict play screen to owned characters and own private rolls

RpgRoller/Components/Pages/Workspace.razor.cs

@@ -975,6 +975,90 @@ public partial class Workspace : IAsyncDisposable
     private CharacterSummary? SelectedCharacter =>
         SelectedCampaign?.Characters.FirstOrDefault(c => c.Id == SelectedCharacterId);
 
+    private CampaignDetails? PlaySelectedCampaign
+    {
+        get
+        {
+            if (SelectedCampaign is null)
+                return null;
+
+            if (User is null)
+                return new CampaignDetails(SelectedCampaign.Id, SelectedCampaign.Name, SelectedCampaign.RulesetId, SelectedCampaign.Gm, [], [], []);
+
+            var ownedCharacters = SelectedCampaign.Characters
+                .Where(character => character.OwnerUserId == User.Id)
+                .ToList();
+            var ownedCharacterIds = ownedCharacters.Select(character => character.Id).ToHashSet();
+            var ownedSkillGroups = SelectedCampaign.SkillGroups
+                .Where(group => ownedCharacterIds.Contains(group.CharacterId))
+                .ToList();
+            var ownedSkills = SelectedCampaign.Skills
+                .Where(skill => ownedCharacterIds.Contains(skill.CharacterId))
+                .ToList();
+
+            return new CampaignDetails(
+                SelectedCampaign.Id,
+                SelectedCampaign.Name,
+                SelectedCampaign.RulesetId,
+                SelectedCampaign.Gm,
+                ownedCharacters,
+                ownedSkillGroups,
+                ownedSkills);
+        }
+    }
+
+    private CharacterSummary? PlaySelectedCharacter
+    {
+        get
+        {
+            if (PlaySelectedCampaign is null || PlaySelectedCampaign.Characters.Count == 0)
+                return null;
+
+            if (SelectedCharacterId.HasValue)
+            {
+                var selectedCharacter = PlaySelectedCampaign.Characters.FirstOrDefault(character => character.Id == SelectedCharacterId.Value);
+                if (selectedCharacter is not null)
+                    return selectedCharacter;
+            }
+
+            if (ActiveCharacterId.HasValue)
+            {
+                var activeCharacter = PlaySelectedCampaign.Characters.FirstOrDefault(character => character.Id == ActiveCharacterId.Value);
+                if (activeCharacter is not null)
+                    return activeCharacter;
+            }
+
+            return PlaySelectedCampaign.Characters[0];
+        }
+    }
+
+    private Guid? PlaySelectedCharacterId => PlaySelectedCharacter?.Id;
+
+    private List<SkillSummary> PlaySelectedCharacterSkills =>
+        PlaySelectedCampaign is null || !PlaySelectedCharacterId.HasValue
+            ? []
+            : PlaySelectedCampaign.Skills
+                .Where(skill => skill.CharacterId == PlaySelectedCharacterId.Value)
+                .OrderBy(skill => skill.Name, StringComparer.OrdinalIgnoreCase)
+                .ToList();
+
+    private List<SkillGroupSummary> PlaySelectedCharacterSkillGroups =>
+        PlaySelectedCampaign is null || !PlaySelectedCharacterId.HasValue
+            ? []
+            : PlaySelectedCampaign.SkillGroups
+                .Where(group => group.CharacterId == PlaySelectedCharacterId.Value)
+                .OrderBy(group => group.Name, StringComparer.OrdinalIgnoreCase)
+                .ToList();
+
+    private List<CampaignLogEntry> PlayVisibleCampaignLog =>
+        User is null
+            ? CampaignLog.Where(entry => !string.Equals(entry.Visibility, "private", StringComparison.OrdinalIgnoreCase)).ToList()
+            : CampaignLog
+                .Where(entry =>
+                    !string.Equals(entry.Visibility, "private", StringComparison.OrdinalIgnoreCase) ||
+                    entry.RollerUserId == User.Id)
+                .ToList();
+
     private bool IsCurrentUserGm =>
         SelectedCampaign is not null && User is not null && SelectedCampaign.Gm.Id == User.Id;