feat: implement patch and settings store

Signed-off-by: Sebastian <krupinski01@gmail.com>

src/stores/mailSettingsStore.ts

@@ -0,0 +1,74 @@
+import { computed } from 'vue'
+import { defineStore } from 'pinia'
+import { useUserStore } from '@KTXC'
+
+const MESSAGE_READ_ENABLED_KEY = 'mail.behaviour.messageReadEnabled'
+const MESSAGE_READ_DELAY_KEY = 'mail.behaviour.messageReadDelay'
+const FOLDER_VIEW_MODE_KEY = 'mail.folderViewMode'
+
+const DEFAULT_MESSAGE_READ_ENABLED = false
+const DEFAULT_MESSAGE_READ_DELAY = 5
+const DEFAULT_FOLDER_VIEW_MODE = 'tree'
+
+export type FolderViewMode = 'tree' | 'page'
+
+export const messageReadDelayOptions = [
+  { value: 2, title: '2 seconds' },
+  { value: 5, title: '5 seconds' },
+  { value: 10, title: '10 seconds' },
+  { value: 30, title: '30 seconds' },
+]
+
+export const folderViewModeOptions = [
+  { value: 'tree', title: 'Tree' },
+  { value: 'page', title: 'Page' },
+]
+
+function normalizeBoolean(value: unknown, fallback: boolean): boolean {
+  if (typeof value === 'boolean') {
+    return value
+  }
+
+  return fallback
+}
+
+function normalizePositiveNumber(value: unknown, fallback: number): number {
+  const normalized = Number(value)
+
+  return Number.isFinite(normalized) && normalized > 0 ? normalized : fallback
+}
+
+function normalizeFolderViewMode(value: unknown, fallback: FolderViewMode): FolderViewMode {
+  return value === 'tree' || value === 'page' ? value : fallback
+}
+
+export const useMailSettingsStore = defineStore('mailSettingsStore', () => {
+  const userStore = useUserStore()
+
+  const messageReadEnabled = computed({
+    get: () => normalizeBoolean(userStore.getSetting(MESSAGE_READ_ENABLED_KEY), DEFAULT_MESSAGE_READ_ENABLED),
+    set: (value: boolean) => userStore.setSetting(MESSAGE_READ_ENABLED_KEY, value),
+  })
+
+  const messageReadDelay = computed({
+    get: () => normalizePositiveNumber(userStore.getSetting(MESSAGE_READ_DELAY_KEY), DEFAULT_MESSAGE_READ_DELAY),
+    set: (value: number) => userStore.setSetting(
+      MESSAGE_READ_DELAY_KEY,
+      normalizePositiveNumber(value, DEFAULT_MESSAGE_READ_DELAY),
+    ),
+  })
+
+  const folderViewMode = computed({
+    get: () => normalizeFolderViewMode(userStore.getSetting(FOLDER_VIEW_MODE_KEY), DEFAULT_FOLDER_VIEW_MODE),
+    set: (value: FolderViewMode) => userStore.setSetting(
+      FOLDER_VIEW_MODE_KEY,
+      normalizeFolderViewMode(value, DEFAULT_FOLDER_VIEW_MODE),
+    ),
+  })
+
+  return {
+    folderViewMode,
+    messageReadEnabled,
+    messageReadDelay,
+  }
+})