Caching and changeset fixes

Core/Net/NetAsyncModulesDownloader.cs

@@ -42,37 +42,6 @@ public NetAsyncModulesDownloader(IUser user, NetModuleCache cache)
             this.cache = cache;
         }
 
-        internal static List<HashSet<CkanModule>> GroupByDownloads(IEnumerable<CkanModule> modules)
-        {
-            // Each module is a vertex, each download URL is an edge
-            // We want to group the vertices by transitive connectedness
-            // We can go breadth first or depth first
-            // Once we encounter a mod, we never have to look at it again
-            var unsearched = modules.ToHashSet();
-            var groups = new List<HashSet<CkanModule>>();
-            while (unsearched.Count > 0)
-            {
-                // Find one group, remove it from unsearched, add it to groups
-                var searching = new List<CkanModule> { unsearched.First() };
-                unsearched.ExceptWith(searching);
-                var found = searching.ToHashSet();
-                // Breadth first search to find all modules any URLs in common, transitively
-                while (searching.Count > 0)
-                {
-                    var origin = searching.First();
-                    searching.Remove(origin);
-                    var neighbors = origin.download
-                        .SelectMany(dlUri => unsearched.Where(other => other.download.Contains(dlUri)))
-                        .ToHashSet();
-                    unsearched.ExceptWith(neighbors);
-                    searching.AddRange(neighbors);
-                    found.UnionWith(neighbors);
-                }
-                groups.Add(found);
-            }
-            return groups;
-        }
-
         internal Net.DownloadTarget TargetFromModuleGroup(HashSet<CkanModule> group,
                                                           string[]            preferredHosts)
             => TargetFromModuleGroup(group, group.OrderBy(m => m.identifier).First(), preferredHosts);
@@ -102,7 +71,7 @@ public void DownloadModules(IEnumerable<CkanModule> modules)
         {
             var activeURLs = this.modules.SelectMany(m => m.download)
                                          .ToHashSet();
-            var moduleGroups = GroupByDownloads(modules);
+            var moduleGroups = CkanModule.GroupByDownloads(modules);
             // Make sure we have enough space to download and cache
             cache.CheckFreeSpace(moduleGroups.Select(grp => grp.First().download_size)
                                              .Sum());

Core/Registry/Registry.cs

@@ -487,10 +487,7 @@ public void SetAllAvailable(IEnumerable<CkanModule> newAvail)
         /// <returns>
         /// True if we have at least one available mod, false otherwise.
         /// </returns>
-        public bool HasAnyAvailable()
-        {
-            return available_modules.Count > 0;
-        }
+        public bool HasAnyAvailable() => available_modules.Count > 0;
 
         /// <summary>
         /// Mark a given module as available.
@@ -643,11 +640,9 @@ public string GetAvailableMetadata(string identifier)
         /// </summary>
         /// <param name="identifier">Name of mod to check</param>
         public GameVersion LatestCompatibleKSP(string identifier)
-        {
-            return available_modules.ContainsKey(identifier)
-                ? available_modules[identifier].LatestCompatibleKSP()
+            => available_modules.TryGetValue(identifier, out AvailableModule availMod)
+                ? availMod.LatestCompatibleKSP()
                 : null;
-        }
 
         /// <summary>
         /// Find the minimum and maximum mod versions and compatible game versions

Core/Types/CkanModule.cs

@@ -6,10 +6,13 @@
 using System.Runtime.Serialization;
 using System.Text;
 using System.Text.RegularExpressions;
+
 using Autofac;
 using log4net;
 using Newtonsoft.Json;
+
 using CKAN.Versioning;
+using CKAN.Extensions;
 using CKAN.Games;
 
 namespace CKAN
@@ -806,6 +809,44 @@ public static string FmtSize(long bytes)
              : bytes < K*K*K*K ? $"{bytes /K/K/K :N1} GiB"
              :                   $"{bytes /K/K/K/K :N1} TiB";
 
+        public HashSet<CkanModule> GetDownloadsGroup(IEnumerable<CkanModule> modules)
+            => OneDownloadGroupingPass(modules.ToHashSet(), this);
+
+        public static List<HashSet<CkanModule>> GroupByDownloads(IEnumerable<CkanModule> modules)
+        {
+            // Each module is a vertex, each download URL is an edge
+            // We want to group the vertices by transitive connectedness
+            // We can go breadth first or depth first
+            // Once we encounter a mod, we never have to look at it again
+            var unsearched = modules.ToHashSet();
+            var groups = new List<HashSet<CkanModule>>();
+            while (unsearched.Count > 0)
+            {
+                groups.Add(OneDownloadGroupingPass(unsearched, unsearched.First()));
+            }
+            return groups;
+        }
+
+        private static HashSet<CkanModule> OneDownloadGroupingPass(HashSet<CkanModule> unsearched,
+                                                                   CkanModule firstModule)
+        {
+            var searching = new List<CkanModule> { firstModule };
+            unsearched.ExceptWith(searching);
+            var found = searching.ToHashSet();
+            // Breadth first search to find all modules with any URLs in common, transitively
+            while (searching.Count > 0)
+            {
+                var origin = searching.First();
+                searching.Remove(origin);
+                var neighbors = origin.download
+                    .SelectMany(dlUri => unsearched.Where(other => other.download.Contains(dlUri)))
+                    .ToHashSet();
+                unsearched.ExceptWith(neighbors);
+                searching.AddRange(neighbors);
+                found.UnionWith(neighbors);
+            }
+            return found;
+        }
     }
 
     public class InvalidModuleAttributesException : Exception

GUI/Controls/Changeset.cs

@@ -20,29 +20,19 @@ public void LoadChangeset(
             List<ModuleLabel> AlertLabels,
             Dictionary<CkanModule, string> conflicts)
         {
-            changeset = changes;
-            alertLabels = AlertLabels;
-            ChangesListView.Items.Clear();
-            if (changes != null)
-            {
-                // Changeset sorting is handled upstream in the resolver
-                ChangesListView.Items.AddRange(changes
-                    .Where(ch => ch.ChangeType != GUIModChangeType.None)
-                    .Select(ch => makeItem(ch, conflicts))
-                    .ToArray());
-                ChangesListView.AutoResizeColumns(ColumnHeaderAutoResizeStyle.ColumnContent);
-                ChangesListView.AutoResizeColumns(ColumnHeaderAutoResizeStyle.HeaderSize);
-            }
+            changeset      = changes;
+            alertLabels    = AlertLabels;
+            this.conflicts = conflicts;
             ConfirmChangesButton.Enabled = conflicts == null || !conflicts.Any();
         }
 
         protected override void OnVisibleChanged(EventArgs e)
         {
             base.OnVisibleChanged(e);
-            if (Visible && Platform.IsMono)
+            if (Visible)
             {
-                // Workaround: make sure the ListView headers are drawn
-                Util.Invoke(ChangesListView, () => ChangesListView.EndUpdate());
+                // Update list on each refresh in case caching changed
+                UpdateList();
             }
         }
 
@@ -54,6 +44,23 @@ public ListView.SelectedListViewItemCollection SelectedItems
         public event Action<List<ModChange>> OnConfirmChanges;
         public event Action<bool> OnCancelChanges;
 
+        private void UpdateList()
+        {
+            ChangesListView.BeginUpdate();
+            ChangesListView.Items.Clear();
+            if (changeset != null)
+            {
+                // Changeset sorting is handled upstream in the resolver
+                ChangesListView.Items.AddRange(changeset
+                    .Where(ch => ch.ChangeType != GUIModChangeType.None)
+                    .Select(ch => makeItem(ch, conflicts))
+                    .ToArray());
+                ChangesListView.AutoResizeColumns(ColumnHeaderAutoResizeStyle.ColumnContent);
+                ChangesListView.AutoResizeColumns(ColumnHeaderAutoResizeStyle.HeaderSize);
+            }
+            ChangesListView.EndUpdate();
+        }
+
         private void ChangesListView_SelectedIndexChanged(object sender, EventArgs e)
         {
             OnSelectedItemsChanged?.Invoke(ChangesListView.SelectedItems);
@@ -101,7 +108,8 @@ private ListViewItem makeItem(ModChange change, Dictionary<CkanModule, string> c
             };
         }
 
-        private List<ModChange>   changeset;
-        private List<ModuleLabel> alertLabels;
+        private List<ModChange>                changeset;
+        private List<ModuleLabel>              alertLabels;
+        private Dictionary<CkanModule, string> conflicts;
     }
 }

GUI/Controls/ManageMods.cs

@@ -31,7 +31,9 @@ public ManageMods()
             FilterNotInstalledButton.ToolTipText    = Properties.Resources.FilterLinkToolTip;
             FilterIncompatibleButton.ToolTipText    = Properties.Resources.FilterLinkToolTip;
 
-            mainModList = new ModList(source => UpdateFilters());
+            mainModList = new ModList();
+            mainModList.ModFiltersUpdated += UpdateFilters;
+            UpdateFilters();
             FilterToolButton.MouseHover += (sender, args) => FilterToolButton.ShowDropDown();
             launchGameToolStripMenuItem.MouseHover += (sender, args) => launchGameToolStripMenuItem.ShowDropDown();
             ApplyToolButton.MouseHover += (sender, args) => ApplyToolButton.ShowDropDown();
@@ -929,8 +931,9 @@ public void FocusMod(string key, bool exactMatch, bool showAsFirst = false)
             });
 
             ModGrid.ClearSelection();
-            var rows = ModGrid.Rows.Cast<DataGridViewRow>().Where(row => row.Visible);
-            DataGridViewRow match = rows.FirstOrDefault(does_name_begin_with_key);
+            DataGridViewRow match = ModGrid.Rows.Cast<DataGridViewRow>()
+                .Where(row => row.Visible)
+                .FirstOrDefault(does_name_begin_with_key);
             if (match == null && first_match != null)
             {
                 // If there were no matches after the first match, cycle over to the beginning.
@@ -1031,6 +1034,13 @@ private void reinstallToolStripMenuItem_Click(object sender, EventArgs e)
                 .ToList());
         }
 
+        public Dictionary<string, GUIMod> AllGUIMods()
+            => ModGrid.Rows.Cast<DataGridViewRow>()
+                .Select(row => row.Tag as GUIMod)
+                .Where(guiMod => guiMod != null)
+                .ToDictionary(guiMod => guiMod.Identifier,
+                              guiMod => guiMod);
+
         private void purgeContentsToolStripMenuItem_Click(object sender, EventArgs e)
         {
             // Purge other versions as well since the user is likely to want that
@@ -1044,7 +1054,18 @@ private void purgeContentsToolStripMenuItem_Click(object sender, EventArgs e)
                 {
                     Main.Instance.Manager.Cache.Purge(mod);
                 }
-                selected.UpdateIsCached();
+
+                // Update all mods that share the same ZIP
+                var allGuiMods = AllGUIMods();
+                foreach (var otherMod in selected.ToModule().GetDownloadsGroup(
+                    allGuiMods.Values.Select(guiMod => guiMod.ToModule())))
+                {
+                    allGuiMods[otherMod.identifier].UpdateIsCached();
+                }
+
+                // Reapply searches in case is:cached or not:cached is active
+                UpdateFilters();
+
                 Main.Instance.RefreshModContentsTree();
             }
         }
@@ -1067,7 +1088,7 @@ private void EditModSearches_SurrenderFocus()
             Util.Invoke(this, () => ModGrid.Focus());
         }
 
-        private void UpdateFilters()
+        public void UpdateFilters()
         {
             Util.Invoke(this, _UpdateFilters);
         }
@@ -1503,15 +1524,10 @@ public void ResetFilterAndSelectModOnList(string key)
             FocusMod(key, true);
         }
 
-        public GUIMod SelectedModule
-        {
-            get
-            {
-                return ModGrid.SelectedRows.Count == 0
-                    ? null
-                    : ModGrid.SelectedRows[0]?.Tag as GUIMod;
-            }
-        }
+        public GUIMod SelectedModule =>
+            ModGrid.SelectedRows.Count == 0
+                ? null
+                : ModGrid.SelectedRows[0]?.Tag as GUIMod;
 
         #region Navigation History
 

GUI/Main/MainDownload.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Linq;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Threading.Tasks;
@@ -26,7 +27,7 @@ public void StartDownload(GUIMod module)
                 {
                     // Just pass to the existing worker
                     downloader.DownloadModules(new List<CkanModule> { module.ToCkanModule() });
-                    module.UpdateIsCached();
+                    UpdateCachedByDownloads(module);
                 });
             }
             else
@@ -82,13 +83,30 @@ public void PostModCaching(object sender, RunWorkerCompletedEventArgs e)
             }
         }
 
+        private void UpdateCachedByDownloads(GUIMod module)
+        {
+            // Update all mods that share the same ZIP
+            var allGuiMods = ManageMods.AllGUIMods();
+            foreach (var otherMod in module.ToModule().GetDownloadsGroup(
+                allGuiMods.Values.Select(guiMod => guiMod.ToModule())))
+            {
+                allGuiMods[otherMod.identifier].UpdateIsCached();
+            }
+        }
+
         private void _PostModCaching(GUIMod module)
         {
-            module.UpdateIsCached();
-            // Update mod list in case is:cached or not:cached filters are active
-            RefreshModList();
+            UpdateCachedByDownloads(module);
+
+            // Reapply searches in case is:cached or not:cached is active
+            ManageMods.UpdateFilters();
+
             // User might have selected another row. Show current in tree.
             RefreshModContentsTree();
+
+            // Close progress tab and switch back to mod list
+            HideWaitDialog();
+            EnableMainWindow();
         }
     }
 }

GUI/Model/GUIMod.cs

@@ -93,7 +93,7 @@ private void OnPropertyChanged([CallerMemberName] string name = null)
         public bool IsUpgradeChecked { get; private set; }
         public bool IsReplaceChecked { get; private set; }
         public bool IsNew { get; set; }
-        public bool IsCKAN { get; private set; }
+        public bool IsCKAN => Mod != null;
         public string Abbrevation { get; private set; }
 
         public string SearchableName { get; private set; }
@@ -156,7 +156,6 @@ public GUIMod(CkanModule mod, IRegistryQuerier registry, GameVersionCriteria cur
             : this(mod.identifier, registry, current_game_version, incompatible, hideEpochs, hideV)
         {
             Mod           = mod;
-            IsCKAN        = mod is CkanModule;
 
             Name          = mod.name.Trim();
             Abstract      = mod.@abstract.Trim();
@@ -288,10 +287,7 @@ public CkanModule ToCkanModule()
         /// Get the CkanModule associated with this GUIMod.
         /// </summary>
         /// <returns>The CkanModule associated with this GUIMod or null if there is none</returns>
-        public CkanModule ToModule()
-        {
-            return Mod;
-        }
+        public CkanModule ToModule() => Mod;
 
         public IEnumerable<ModChange> GetModChanges()
         {
@@ -431,10 +427,7 @@ public void SetAutoInstallChecked(DataGridViewRow row, DataGridViewColumn col, b
             }
         }
 
-        private bool Equals(GUIMod other)
-        {
-            return Equals(Identifier, other.Identifier);
-        }
+        private bool Equals(GUIMod other) => Equals(Identifier, other.Identifier);
 
         public override bool Equals(object obj)
         {
@@ -444,14 +437,8 @@ public override bool Equals(object obj)
             return Equals((GUIMod) obj);
         }
 
-        public override int GetHashCode()
-        {
-            return Identifier?.GetHashCode() ?? 0;
-        }
+        public override int GetHashCode() => Identifier?.GetHashCode() ?? 0;
 
-        public override string ToString()
-        {
-            return $"{ToModule()}";
-        }
+        public override string ToString() => Mod.ToString();
     }
 }