Select compatible KSP versions

Cmdline/Action/List.cs

@@ -72,7 +72,7 @@ public int RunCommand(CKAN.KSP ksp, object raw_options)
                         try
                         {
                             // Check if upgrades are available, and show appropriately.
-                            CkanModule latest = registry.LatestAvailable(mod.Key, ksp.Version());
+                            CkanModule latest = registry.LatestAvailable(mod.Key, ksp.VersionCriteria());
 
                             log.InfoFormat("Latest {0} is {1}", mod.Key, latest);
 

Cmdline/Action/Search.cs

@@ -56,7 +56,7 @@ public List<CkanModule> PerformSearch(CKAN.KSP ksp, string term)
         {
             var registry = RegistryManager.Instance(ksp).registry;
             return registry
-                .Available(ksp.Version())
+                .Available(ksp.VersionCriteria())
                 .Where((module) =>
             {
                 // Extract the description. This is an optional field and may be null.

Cmdline/Action/Show.cs

@@ -38,7 +38,7 @@ public int RunCommand(CKAN.KSP ksp, object raw_options)
             // Module was not installed, look for an exact match in the available modules,
             // either by "name" (the user-friendly display name) or by identifier
             CkanModule moduleToShow = registry
-                                      .Available(ksp.Version())
+                                      .Available(ksp.VersionCriteria())
                                       .SingleOrDefault(
                                             mod => mod.name == options.Modname
                                                 || mod.identifier == options.Modname

Cmdline/Action/Update.cs

@@ -26,7 +26,7 @@ public int RunCommand(CKAN.KSP ksp, object raw_options)
             {
                 // Get a list of available modules prior to the update.
                 var registry = RegistryManager.Instance(ksp).registry;
-                available_prior = registry.Available(ksp.Version());
+                available_prior = registry.Available(ksp.VersionCriteria());
             }
 
             // If no repository is selected, select all.
@@ -56,7 +56,7 @@ public int RunCommand(CKAN.KSP ksp, object raw_options)
             if (options.list_changes)
             {
                 var registry = RegistryManager.Instance(ksp).registry;
-                PrintChanges(available_prior, registry.Available(ksp.Version()));
+                PrintChanges(available_prior, registry.Available(ksp.VersionCriteria()));
             }
 
             return Exit.OK;

Cmdline/Action/Upgrade.cs

@@ -86,7 +86,7 @@ public int RunCommand(CKAN.KSP ksp, object raw_options)
                             try
                             {
                                 // Check if upgrades are available
-                                var latest = registry.LatestAvailable(mod.Key, ksp.Version());
+                                var latest = registry.LatestAvailable(mod.Key, ksp.VersionCriteria());
 
                                 // This may be an unindexed mod. If so,
                                 // skip rather than crash. See KSP-CKAN/CKAN#841.

Cmdline/Main.cs

@@ -322,7 +322,7 @@ private static int Version(IUser user)
 
         private static int Available(CKAN.KSP current_instance, IUser user)
         {
-            List<CkanModule> available = RegistryManager.Instance(current_instance).registry.Available(current_instance.Version());
+            List<CkanModule> available = RegistryManager.Instance(current_instance).registry.Available(current_instance.VersionCriteria());
 
             user.RaiseMessage("Mods available for KSP {0}", current_instance.Version());
             user.RaiseMessage("");

Core/CKAN-core.csproj

@@ -48,6 +48,7 @@
     </Reference>
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="CompatibleKspVersionsDto.cs" />
     <Compile Include="Exporters\BbCodeExporter.cs" />
     <Compile Include="Exporters\DelimeterSeperatedValueExporter.cs" />
     <Compile Include="Exporters\Exporter.cs" />
@@ -110,6 +111,8 @@
     <Compile Include="Types\GameComparator\GrasGameComparator.cs" />
     <Compile Include="Types\GameComparator\StrictGameComparator.cs" />
     <Compile Include="Types\GameComparator\YoyoGameComparator.cs" />
+    <Compile Include="Versioning\KspVersionCriteria.cs" />
+    <Compile Include="Types\GameComparator\BaseGameComparator.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>

Core/CompatibleKspVersionsDto.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace CKAN
+{
+    //
+    //This is DTO object to be serialized/deserialized as JSON
+    //
+    class CompatibleKspVersionsDto
+    {
+        public CompatibleKspVersionsDto()
+        {
+            this.CompatibleKspVersions = new List<String>();
+        }
+
+        public String VersionOfKspWhenWritten { get; set; }
+
+        public List<String> CompatibleKspVersions { get; set; }
+    }
+}

Core/GameVersionProviders/IKspBuildMap.cs

@@ -1,11 +1,14 @@
 using CKAN.Versioning;
+using System.Collections.Generic;
 
 namespace CKAN.GameVersionProviders
 {
     public interface IKspBuildMap
     {
         KspVersion this[string buildId] { get; }
 
+        List<KspVersion> KnownVersions { get; }
+
         void Refresh();
     }
 }

Core/GameVersionProviders/KspBuildMap.cs

@@ -32,6 +32,20 @@ public sealed class KspBuildMap : IKspBuildMap
             }
         }
 
+        public List<KspVersion> KnownVersions
+        {
+            get
+            {
+                EnsureBuildMap();
+                List<KspVersion> knownVersions = new List<KspVersion>();
+                foreach (var version in _jBuilds.Builds)
+                {
+                    knownVersions.Add(KspVersion.Parse(version.Value));
+                }
+                return knownVersions;
+            }
+        }
+
         public KspBuildMap(IWin32Registry registry)
         {
             _registry = registry;

Core/KSP.cs

@@ -10,6 +10,7 @@
 using CKAN.GameVersionProviders;
 using CKAN.Versioning;
 using log4net;
+using Newtonsoft.Json;
 
 [assembly: InternalsVisibleTo("CKAN.Tests")]
 
@@ -29,6 +30,9 @@ public class KSP : IDisposable
 
         private readonly string gameDir;
         private KspVersion version;
+        private List<KspVersion> _compatibleVersions = new List<KspVersion>();
+        public KspVersion VersionOfKspWhenCompatibleVersionsWereStored { get; private set; }
+        public bool CompatibleVersionsAreFromDifferentKsp { get { return _compatibleVersions.Count > 0 && VersionOfKspWhenCompatibleVersionsWereStored != Version(); } }
 
         public NetFileCache Cache { get; private set; }
 
@@ -92,9 +96,53 @@ private void Init()
                 foreach (DirectoryInfo subDirectory in directory.GetDirectories()) subDirectory.Delete(true);
             }
 
+            LoadCompatibleVersions();
+
             log.DebugFormat("Initialised {0}", CkanDir());
         }
 
+        public void SetCompatibleVersions(List<KspVersion> compatibleVersions)
+        {
+            this._compatibleVersions = compatibleVersions.Distinct().ToList();
+            SaveCompatibleVersions();
+        }
+
+        private void SaveCompatibleVersions()
+        {
+            CompatibleKspVersionsDto compatibleKspVersionsDto = new CompatibleKspVersionsDto();
+
+            compatibleKspVersionsDto.VersionOfKspWhenWritten = Version().ToString();
+            compatibleKspVersionsDto.CompatibleKspVersions = _compatibleVersions.Select(v => v.ToString()).ToList();
+
+            String json = JsonConvert.SerializeObject(compatibleKspVersionsDto);
+            File.WriteAllText(CompatibleKspVersionsFile(), json);
+
+            this.VersionOfKspWhenCompatibleVersionsWereStored = Version();
+        }
+
+        private void LoadCompatibleVersions()
+        {
+            String path = CompatibleKspVersionsFile();
+            if (File.Exists(path))
+            {
+                string json = File.ReadAllText(path);
+                CompatibleKspVersionsDto compatibleKspVersionsDto = JsonConvert.DeserializeObject<CompatibleKspVersionsDto>(json);
+
+                _compatibleVersions = compatibleKspVersionsDto.CompatibleKspVersions.Select(v => KspVersion.Parse(v)).ToList();
+                this.VersionOfKspWhenCompatibleVersionsWereStored = KspVersion.Parse(compatibleKspVersionsDto.VersionOfKspWhenWritten);
+            }
+        }
+
+        private string CompatibleKspVersionsFile()
+        {
+            return Path.Combine(CkanDir(), "compatible_ksp_versions.json");
+        }
+
+        public List<KspVersion> GetCompatibleVersions()
+        {
+            return new List<KspVersion>(this._compatibleVersions);
+        }
+
         #endregion
 
         #region Destructors and Disposal
@@ -334,6 +382,12 @@ public KspVersion Version()
             return version = DetectVersion(GameDir());
         }
 
+
+        public KspVersionCriteria VersionCriteria ()
+        {
+            return new KspVersionCriteria(version, _compatibleVersions);
+        }
+
         #endregion
 
         #region CKAN/GameData Directory Maintenance

Core/ModuleInstaller.cs

@@ -152,7 +152,7 @@ public static string CachedOrDownload(string identifier, Version version, Uri ur
             IDownloader downloader = null
         )
         {
-            var resolver = new RelationshipResolver(modules, options, registry_manager.registry, ksp.Version());
+            var resolver = new RelationshipResolver(modules, options, registry_manager.registry, ksp.VersionCriteria());
             var modsToInstall = resolver.ModList().ToList();
             InstallList(modsToInstall, options, downloader);
         }
@@ -173,7 +173,7 @@ public static string CachedOrDownload(string identifier, Version version, Uri ur
             IDownloader downloader = null
         )
         {
-            var resolver = new RelationshipResolver(modules, options, registry_manager.registry, ksp.Version());
+            var resolver = new RelationshipResolver(modules, options, registry_manager.registry, ksp.VersionCriteria());
             var modsToInstall = resolver.ModList().ToList();
             List<CkanModule> downloads = new List<CkanModule> ();
 
@@ -993,7 +993,7 @@ public void Upgrade(IEnumerable<string> identifiers, NetAsyncModulesDownloader n
             options.with_recommends = false;
             options.with_suggests = false;
 
-            var resolver = new RelationshipResolver(identifiers.ToList(), options, registry_manager.registry, ksp.Version());
+            var resolver = new RelationshipResolver(identifiers.ToList(), options, registry_manager.registry, ksp.VersionCriteria());
             Upgrade(resolver.ModList(), netAsyncDownloader, enforceConsistency);
         }
 

Core/Net/Repo.cs

@@ -107,7 +107,7 @@ public static int UpdateAllRepositories(RegistryManager registry_manager, KSP ks
             ShowUserInconsistencies(registry_manager.registry, user);
 
             // Return how many we got!
-            return registry_manager.registry.Available(ksp.Version()).Count;
+            return registry_manager.registry.Available(ksp.VersionCriteria()).Count;
         }
 
         public static int Update(RegistryManager registry_manager, KSP ksp, IUser user, Boolean clear = true, string repo = null)
@@ -414,7 +414,7 @@ private static int Update(RegistryManager registry_manager, KSP ksp, IUser user,
             ShowUserInconsistencies(registry_manager.registry, user);
 
             // Return how many we got!
-            return registry_manager.registry.Available(ksp.Version()).Count;
+            return registry_manager.registry.Available(ksp.VersionCriteria()).Count;
         }
 
         /// <summary>

Core/Registry/AvailableModule.cs

@@ -72,7 +72,7 @@ public void Remove(Version version)
         /// <param name="ksp_version">If not null only consider mods which match this ksp version.</param>
         /// <param name="relationship">If not null only consider mods which satisfy the RelationshipDescriptor.</param>
         /// <returns></returns>
-        public CkanModule Latest(KspVersion ksp_version = null, RelationshipDescriptor relationship=null)
+        public CkanModule Latest(KspVersionCriteria ksp_version = null, RelationshipDescriptor relationship=null)
         {            
             var available_versions = new List<Version>(module_version.Keys);
             CkanModule module;

Core/Registry/IRegistryQuerier.cs

@@ -16,7 +16,7 @@ public interface IRegistryQuerier
         /// the specified version of KSP.
         /// </summary>
         // TODO: This name is misleading. It's more a LatestAvailable's'
-        List<CkanModule> Available(KspVersion ksp_version);
+        List<CkanModule> Available(KspVersionCriteria ksp_version);
 
         /// <summary>
         ///     Returns the latest available version of a module that
@@ -25,7 +25,7 @@ public interface IRegistryQuerier
         ///     If no ksp_version is provided, the latest module for *any* KSP is returned.
         /// <exception cref="ModuleNotFoundKraken">Throws if asked for a non-existent module.</exception>
         /// </summary>
-        CkanModule LatestAvailable(string identifier, KspVersion ksp_version, RelationshipDescriptor relationship_descriptor = null);
+        CkanModule LatestAvailable(string identifier, KspVersionCriteria ksp_version, RelationshipDescriptor relationship_descriptor = null);
 
         /// <summary>
         ///     Returns the latest available version of a module that satisifes the specified version and
@@ -34,7 +34,7 @@ public interface IRegistryQuerier
         ///     Returns an empty list if nothing is available for our system, which includes if no such module exists.
         ///     If no KSP version is provided, the latest module for *any* KSP version is given.
         /// </summary>
-        List<CkanModule> LatestAvailableWithProvides(string identifier, KspVersion ksp_version, RelationshipDescriptor relationship_descriptor = null);
+        List<CkanModule> LatestAvailableWithProvides(string identifier, KspVersionCriteria ksp_version, RelationshipDescriptor relationship_descriptor = null);
 
         /// <summary>
         ///     Checks the sanity of the registry, to ensure that all dependencies are met,
@@ -65,7 +65,7 @@ public interface IRegistryQuerier
         ///     Returns a simple array of all incompatible modules for
         ///     the specified version of KSP.
         /// </summary>
-        List<CkanModule> Incompatible(KspVersion ksp_version);
+        List<CkanModule> Incompatible(KspVersionCriteria ksp_version);
 
         /// <summary>
         /// Returns a dictionary of all modules installed, along with their
@@ -128,7 +128,7 @@ public static bool IsAutodetected(this IRegistryQuerier querier, string identifi
         /// Is the mod installed and does it have a newer version compatible with version
         /// We can't update AD mods
         /// </summary>
-        public static bool HasUpdate(this IRegistryQuerier querier, string identifier, KspVersion version)
+        public static bool HasUpdate(this IRegistryQuerier querier, string identifier, KspVersionCriteria version)
         {
             CkanModule newest_version;
             try

Core/Registry/Registry.cs

@@ -403,7 +403,7 @@ public void RemoveAvailable(CkanModule module)
         /// <summary>
         /// <see cref="IRegistryQuerier.Available"/>
         /// </summary>
-        public List<CkanModule> Available(KspVersion ksp_version)
+        public List<CkanModule> Available(KspVersionCriteria ksp_version)
         {
             var candidates = new List<string>(available_modules.Keys);
             var compatible = new List<CkanModule>();
@@ -461,7 +461,7 @@ public List<CkanModule> Available(KspVersion ksp_version)
         /// <summary>
         /// <see cref="IRegistryQuerier.Incompatible"/>
         /// </summary>
-        public List<CkanModule> Incompatible(KspVersion ksp_version)
+        public List<CkanModule> Incompatible(KspVersionCriteria ksp_version)
         {
             var candidates = new List<string>(available_modules.Keys);
             var incompatible = new List<CkanModule>();
@@ -492,7 +492,7 @@ public List<CkanModule> Incompatible(KspVersion ksp_version)
         // be calling LatestAvailableWithProvides()
         public CkanModule LatestAvailable(
             string module,
-            KspVersion ksp_version,
+            KspVersionCriteria ksp_version,
             RelationshipDescriptor relationship_descriptor =null)
         {
             log.DebugFormat("Finding latest available for {0}", module);
@@ -514,7 +514,7 @@ public List<CkanModule> Incompatible(KspVersion ksp_version)
         /// <summary>
         /// <see cref = "IRegistryQuerier.LatestAvailableWithProvides" />
         /// </summary>
-        public List<CkanModule> LatestAvailableWithProvides(string module, KspVersion ksp_version, RelationshipDescriptor relationship_descriptor = null)
+        public List<CkanModule> LatestAvailableWithProvides(string module, KspVersionCriteria ksp_version, RelationshipDescriptor relationship_descriptor = null)
         {
             // This public interface calculates a cache of modules which
             // are compatible with the current version of KSP, and then
@@ -530,7 +530,7 @@ public List<CkanModule> LatestAvailableWithProvides(string module, KspVersion ks
         /// the `available_for_current_version` list has been correctly
         /// calculated. Not for direct public consumption. ;)
         /// </summary>
-        private List<CkanModule> LatestAvailableWithProvides(string module, KspVersion ksp_version,
+        private List<CkanModule> LatestAvailableWithProvides(string module, KspVersionCriteria ksp_version,
             IEnumerable<CkanModule> available_for_current_version, RelationshipDescriptor relationship_descriptor=null)
         {
             log.DebugFormat("Finding latest available with provides for {0}", module);