put a little more work into quizzes

Management/Features/Configuration/Synchronization/ModuleSyncronizationExtensions.cs

@@ -0,0 +1,72 @@
+using System.Text.RegularExpressions;
+using CanvasModel.Assignments;
+using CanvasModel.Modules;
+using CanvasModel.Quizzes;
+using LocalModels;
+using Management.Services.Canvas;
+
+namespace Management.Planner;
+
+public static partial class ModuleSyncronizationExtensions
+{
+  internal static async Task<IEnumerable<LocalModule>> EnsureAllModulesExistInCanvas(
+    this LocalCourse localCourse,
+    ulong canvasId,
+    IEnumerable<CanvasModule> canvasModules,
+    CanvasService canvas
+  )
+  {
+    var moduleTasks = localCourse.Modules.Select(async module =>
+    {
+      var canvasModule = canvasModules.FirstOrDefault(cm => cm.Id == module.CanvasId);
+      if (canvasModule == null)
+      {
+        var newModule = await canvas.CreateModule(canvasId, module.Name);
+        return module with { CanvasId = newModule.Id };
+      }
+      else
+        return module;
+    });
+    var newModules = await Task.WhenAll(moduleTasks);
+    return newModules ?? throw new Exception("Error ensuring all modules exist in canvas");
+  }
+
+  internal static async Task SortCanvasModules(
+    this LocalCourse localCourse,
+    ulong canvasId,
+    IEnumerable<CanvasModule> canvasModules,
+    CanvasService canvas
+  )
+  {
+    var currentCanvasPositions = canvasModules.ToDictionary(m => m.Id, m => m.Position);
+    foreach (var (localModule, i) in localCourse.Modules.Select((m, i) => (m, i)))
+    {
+      var correctPosition = i + 1;
+      var moduleCanvasId =
+        localModule.CanvasId ?? throw new Exception("cannot sort module if no module canvas id");
+      var currentCanvasPosition = currentCanvasPositions[moduleCanvasId];
+      if (currentCanvasPosition != correctPosition)
+      {
+        await canvas.UpdateModule(canvasId, moduleCanvasId, localModule.Name, correctPosition);
+      }
+    }
+  }
+
+  internal static async Task<LocalCourse> SyncModulesWithCanvasData(
+    this LocalCourse localCourse,
+    ulong canvasId,
+    IEnumerable<CanvasModule> canvasModules,
+    CanvasService canvas
+  )
+  {
+    canvasModules = await canvas.GetModules(canvasId);
+    return localCourse with
+    {
+      Modules = localCourse.Modules.Select(m =>
+      {
+        var canvasModule = canvasModules.FirstOrDefault(cm => cm.Name == m.Name);
+        return canvasModule == null ? m : m with { CanvasId = canvasModule.Id };
+      })
+    };
+  }
+}