Initial commit

Generated by create-expo-app 3.3.0.

providers/NoteProvider.tsx

@@ -0,0 +1,91 @@
+import {
+  createContext,
+  useContext,
+  useEffect,
+  useState,
+  ReactNode,
+} from "react";
+import AsyncStorage from "@react-native-async-storage/async-storage";
+import { type Note, type NewNote } from "@/db/schema";
+
+interface NoteContextType {
+  notes: Note[];
+  saveNote: (note: NewNote) => Promise<void>;
+  deleteNote: (id: string) => Promise<void>;
+  updateNote: (id: string, newNote: NewNote) => Promise<void>;
+}
+
+const NoteContext = createContext<NoteContextType | null>(null);
+
+const STORAGE_KEY = "notes";
+
+export function NoteProvider({ children }: { children: ReactNode }) {
+  const [notes, setNotes] = useState<Note[]>([]);
+
+  useEffect(() => {
+    async function initStorage() {
+      try {
+        const stored = await AsyncStorage.getItem(STORAGE_KEY);
+        if (stored) {
+          setNotes(JSON.parse(stored));
+        }
+      } catch (err) {
+        console.error(err);
+      }
+    }
+
+    initStorage();
+  }, []);
+
+  const saveNote = async (newNote: NewNote) => {
+    try {
+      const updatedNotes = [...notes, newNote];
+      await AsyncStorage.setItem(STORAGE_KEY, JSON.stringify(updatedNotes));
+      setNotes(updatedNotes as Note[]);
+    } catch (err) {
+      console.error(err);
+      throw err;
+    }
+  };
+
+  const deleteNote = async (id: string) => {
+    try {
+      const updatedNotes = notes.filter((note) => note.id !== id);
+      await AsyncStorage.setItem(STORAGE_KEY, JSON.stringify(updatedNotes));
+      setNotes(updatedNotes);
+    } catch (err) {
+      console.error(err);
+      throw err;
+    }
+  };
+
+  const updateNote = async (id: string, newNote: NewNote) => {
+    try {
+      const updatedNotes = notes.map((note) =>
+        note.id === id ? { ...note, ...newNote } : note
+      );
+      await AsyncStorage.setItem(STORAGE_KEY, JSON.stringify(updatedNotes));
+      setNotes(updatedNotes);
+    } catch (err) {
+      console.error(err);
+      throw err;
+    }
+  };
+
+  const value = {
+    notes,
+    saveNote,
+    deleteNote,
+    updateNote,
+  };
+
+  return <NoteContext.Provider value={value}>{children}</NoteContext.Provider>;
+}
+
+export function useNotes() {
+  const context = useContext(NoteContext);
+  if (!context) {
+    throw new Error("useNotes must be used within a NoteProvider");
+  }
+  return context;
+}