feat: add mobile vault storage boundary

apps/mobile/src/mobileVaultRepository.ts

@@ -1,4 +1,6 @@
-import { projectMobileNotes, type MobileNote, type MobileNoteSource } from './mobileNoteProjection'
+import { projectMobileNote, projectMobileNotes, type MobileNote, type MobileNoteSource } from './mobileNoteProjection'
+import type { MobileVaultConfig } from './mobileVaultConfig'
+import type { MobileVaultFile, MobileVaultStorageDriver } from './mobileVaultStorage'
 
 export type MobileVaultRepository = {
   listNotes: () => Promise<MobileNote[]>
@@ -13,3 +15,48 @@ export function createFixtureMobileVaultRepository(sources: MobileNoteSource[]):
     readNote: (id) => Promise.resolve(notes.find((note) => note.id === id) ?? null),
   }
 }
+
+export function createStoredMobileVaultRepository({
+  storage,
+  vault,
+}: {
+  storage: MobileVaultStorageDriver
+  vault: MobileVaultConfig
+}): MobileVaultRepository {
+  return {
+    listNotes: async () => projectMobileNotes((await storage.listMarkdownFiles(vault)).map(fileToSource)),
+    readNote: async (id) => {
+      const file = await findFileById({ id, storage, vault })
+      return file ? projectMobileNote(fileToSource(file)) : null
+    },
+  }
+}
+
+async function findFileById({
+  id,
+  storage,
+  vault,
+}: {
+  id: string
+  storage: MobileVaultStorageDriver
+  vault: MobileVaultConfig
+}) {
+  return (await storage.listMarkdownFiles(vault)).find((file) => fileId(file.path) === id) ?? null
+}
+
+function fileToSource(file: MobileVaultFile): MobileNoteSource {
+  return {
+    id: fileId(file.path),
+    type: 'Note',
+    icon: 'file-text',
+    date: '',
+    modified: '',
+    filename: file.path,
+    content: file.content,
+    tags: [],
+  }
+}
+
+function fileId(path: string) {
+  return path.replace(/\.md$/, '')
+}