feat(wasserfoerderung): Förderstrecken planen — Rechner, Tab, PDF (#150, Plan A)

docs/master-data.example.json

@@ -30,5 +30,6 @@
     "csaMaxDurationMinutes": 20,
     "lpaMaxDurationMinutes": 60,
     "returnPressureBar": 50
-  }
+  },
+  "einsatzgebiet": { "name": "Landkreis Musterstadt", "folderPath": "/regions/musterstadt" }
 }

src/LageBuch.App.Android/MainActivity.cs

@@ -73,6 +73,7 @@ protected override AppBuilder CustomizeAppBuilder(AppBuilder builder)
             new NoopIncidentHostController(),
             new LageBuch.App.Shared.Services.AvaloniaUiDispatcher(),
             typeof(MainActivity).Assembly.GetName().Version?.ToString() ?? "0.0.0",
+            AndroidAppPaths.RegionsDir(this),
             lastSaveFolder: null,
             attachmentCacheRoot: AndroidAppPaths.AttachmentCacheDir(this));
         return base.CustomizeAppBuilder(builder).WithInterFont();

src/LageBuch.App.Android/Services/AndroidAppPaths.cs

@@ -27,4 +27,7 @@ public static string RecentFilesJsonPath(Context context) =>
 
     public static string AttachmentCacheDir(Context context) =>
         System.IO.Path.Combine(CacheDir(context), "attachment-cache");
+
+    public static string RegionsDir(Context context) =>
+        System.IO.Path.Combine(context.FilesDir!.AbsolutePath, "regions");
 }

src/LageBuch.App.Shared/CompositionRoot.cs

@@ -1,3 +1,5 @@
+using System.Diagnostics.CodeAnalysis;
+using LageBuch.App.Shared.Services;
 using LageBuch.AppLogic.Services;
 using LageBuch.AppLogic.ViewModels;
 using LageBuch.Domain.Time;
@@ -13,6 +15,14 @@ namespace LageBuch.App.Shared;
 /// </summary>
 public static class CompositionRoot
 {
+    /// <summary>
+    /// Raw-served manifest of published Wasserförderung region packs (#150 follow-up) — see
+    /// tools/build-region-pack/README.md for how a pack is built and published here.
+    /// </summary>
+    public const string RegionPackManifestUrl =
+        "https://raw.githubusercontent.com/CodeForFire/lagebuch-regions/main/regions.json";
+
+    [SuppressMessage("Reliability", "CA2000", Justification = "The HttpClient is shared by the region-pack catalog/installer services for the app's whole lifetime, not disposed per-call.")]
     public static MainWindowViewModel CreateMainWindowViewModel(
         IIncidentStore store,
         IMasterDataProvider masterData,
@@ -25,11 +35,15 @@ public static MainWindowViewModel CreateMainWindowViewModel(
         IIncidentHostController hostController,
         IUiDispatcher uiDispatcher,
         string appVersion,
+        string regionsDir,
         ILastSaveFolderStore? lastSaveFolder = null,
         string? attachmentCacheRoot = null)
     {
-        var home = new HomeViewModel(store, masterData, recent, dialogs, clock, ticker, alarm, hostController, appVersion, uiDispatcher, lastSaveFolder, attachmentCacheRoot);
-        var editor = new MasterDataEditorViewModel(masterData, dialogs, masterDataFileService);
+        var home = new HomeViewModel(store, masterData, recent, dialogs, clock, ticker, alarm, hostController, appVersion, uiDispatcher, lastSaveFolder, attachmentCacheRoot, new RouteOverviewRenderer());
+        var httpClient = new HttpClient();
+        var regionCatalog = new RegionPackCatalogService(httpClient, RegionPackManifestUrl);
+        var regionInstaller = new RegionPackInstaller(httpClient, regionsDir);
+        var editor = new MasterDataEditorViewModel(masterData, dialogs, masterDataFileService, regionCatalog, regionInstaller);
         return new MainWindowViewModel(home, editor, dialogs, appVersion);
     }
 }