feat: 计划页对齐 android 并新增提交页

IosClientKit/Sources/FeaturePlan/PlanViewModel.swift

@@ -0,0 +1,66 @@
+import CoreDomain
+import CoreModel
+import Observation
+
+@MainActor
+@Observable
+public final class PlanViewModel {
+    public private(set) var uiState: PlanUiState = .loading
+    public var selectedType: PlanType = .weekly
+
+    private let planUseCase: PlanUseCase
+    private let sessionUseCase: SessionUseCase
+    private var loadTask: Task<Void, Never>?
+    private var dataTask: Task<Void, Never>?
+
+    public init(planUseCase: PlanUseCase, sessionUseCase: SessionUseCase) {
+        self.planUseCase = planUseCase
+        self.sessionUseCase = sessionUseCase
+    }
+
+    public func load() {
+        loadTask?.cancel()
+        loadTask = Task { [weak self] in
+            guard let self else { return }
+            do {
+                for try await isLoggedIn in self.sessionUseCase.observeIsLoggedIn() {
+                    self.handleLoginState(isLoggedIn)
+                }
+            } catch is CancellationError {
+            } catch {
+                self.uiState = .error(error.localizedDescription)
+            }
+        }
+    }
+
+    public func selectType(_ type: PlanType) {
+        guard type != selectedType else { return }
+        selectedType = type
+        reloadData()
+    }
+
+    private func handleLoginState(_ isLoggedIn: Bool) {
+        dataTask?.cancel()
+        guard isLoggedIn else {
+            uiState = .loggedOut
+            return
+        }
+        reloadData()
+    }
+
+    private func reloadData() {
+        dataTask?.cancel()
+        uiState = .loading
+        dataTask = Task { [weak self] in
+            guard let self else { return }
+            do {
+                for try await record in self.planUseCase.observePlan(type: self.selectedType) {
+                    self.uiState = .success(record)
+                }
+            } catch is CancellationError {
+            } catch {
+                self.uiState = .error(error.localizedDescription)
+            }
+        }
+    }
+}