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295
lib/controllers/search_controller/search_controller.dart
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295
lib/controllers/search_controller/search_controller.dart
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import 'dart:convert';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:get/get.dart';
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import 'package:http/http.dart' as http;
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import 'package:nearledaily/controllers/search_controller/product_match.dart';
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import '../../modules/search/grocery_item.dart';
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class GrocerySearchController extends ChangeNotifier {
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// ─── Controllers & Focus ──────────────────────────────────────────────────
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final TextEditingController textController = TextEditingController();
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final FocusNode focusNode = FocusNode();
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// ─── Animation ────────────────────────────────────────────────────────────
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late AnimationController cartBarController;
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late Animation<Offset> cartBarSlide;
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// ─── State ────────────────────────────────────────────────────────────────
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List<GroceryItem> items = [];
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List<GroceryItem> cartItems = [];
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bool loading = false;
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bool hasSearched = false;
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String lastQuery = '';
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// ─── API ──────────────────────────────────────────────────────────────────
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static const String _apiKey =
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'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';
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// ─── Quick Chips ──────────────────────────────────────────────────────────
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final List<Map<String, String>> quickChips = [
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{'label': '🍛 Biryani', 'query': 'Biryani'},
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{'label': '🍝 Pasta', 'query': 'Pasta'},
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{'label': '🎂 Cake', 'query': 'Cake'},
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{'label': '🥞 Pancakes', 'query': 'Pancakes'},
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{'label': '🫘 Dal Tadka', 'query': 'Dal Tadka'},
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{'label': '🥘 Idli Sambar', 'query': 'Idli Sambar'},
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{'label': '🍕 Pizza', 'query': 'Pizza'},
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{'label': '🍜 Noodles', 'query': 'Noodles'},
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];
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final List<Map<String, String>> naturalChips = [
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{
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'label': '🤧 I have a cold — what should I eat?',
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'query': 'I have a cold, what fruits or foods should I eat?'
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},
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{
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'label': '💪 Post-workout nutrition',
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'query': 'Post-workout recovery foods and snacks'
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},
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{
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'label': '🍽️ Biryani + Curd Rice together',
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'query': 'I want to make biryani and also curd rice'
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},
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{
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'label': '🍳 Quick egg breakfast',
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'query': 'Quick breakfast with eggs and bread'
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},
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];
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// ─── Init / Dispose ───────────────────────────────────────────────────────
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void init(TickerProvider vsync) {
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// Register StoreMatchController if not already registered
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if (!Get.isRegistered<StoreMatchController>()) {
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Get.put(StoreMatchController());
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}
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initAnimations(vsync);
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}
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void initAnimations(TickerProvider vsync) {
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cartBarController = AnimationController(
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vsync: vsync,
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duration: const Duration(milliseconds: 300),
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);
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cartBarSlide = Tween<Offset>(
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begin: const Offset(0, 1),
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end: Offset.zero,
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).animate(CurvedAnimation(
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parent: cartBarController,
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curve: Curves.easeOutCubic,
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));
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}
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void disposeAll() {
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textController.dispose();
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focusNode.dispose();
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cartBarController.dispose();
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}
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// ─── Search ───────────────────────────────────────────────────────────────
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Future<void> search(String query) async {
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final q = query.trim();
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if (q.isEmpty) return;
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focusNode.unfocus();
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loading = true;
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hasSearched = true;
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lastQuery = q;
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items = [];
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notifyListeners();
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try {
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final res = await http.post(
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Uri.parse('https://api.groq.com/openai/v1/chat/completions'),
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headers: {
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'Content-Type': 'application/json',
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'Authorization': 'Bearer $_apiKey',
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},
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body: jsonEncode({
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'model': 'llama-3.1-8b-instant',
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'max_tokens': 800,
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'messages': [
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{
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'role': 'system',
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'content': '''You are a smart product search engine for a super-app with grocery stores, restaurants, pharmacies, and general stores.
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Your ONLY job is to return a raw JSON array. No markdown, no code fences, no explanations. Raw JSON only.
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═══════════════════════════════════════════
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GOLDEN RULE — LITERAL FIRST:
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If the user types a RAW INGREDIENT, PRODUCT, or ITEM NAME (e.g. "tomato", "milk", "onion", "shampoo", "paracetamol"),
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return THAT EXACT ITEM as a grocery/store product. Do NOT transform it into a dish or recipe.
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═══════════════════════════════════════════
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INTENT DETECTION — pick ONE mode:
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MODE 1 — DIRECT PRODUCT SEARCH (user types a product/ingredient name):
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Signals: single word or short phrase that IS a product (e.g. "tomato", "milk", "bread", "eggs", "rice")
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Action: Return that exact product with 2–4 size/variant options only.
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Do NOT suggest dishes made from it.
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type: "grocery"
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Example — query "tomato":
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[
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{"name": "Tomato", "quantity": "500g", "emoji": "🍅", "type": "grocery"},
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{"name": "Tomato", "quantity": "1 kg", "emoji": "🍅", "type": "grocery"},
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{"name": "Cherry Tomato", "quantity": "250g", "emoji": "🍅", "type": "grocery"}
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]
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MODE 2 — RESTAURANT ORDER (user wants a ready-made dish delivered):
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Signals: dish name WITH food-order context, or words like "order", "hungry", "eat",
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"food delivery", "i want to eat [dish]", "get me [dish]"
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Action: Return the dish as 1–3 variants.
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type: "restaurant"
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Example — query "i want biryani":
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[
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{"name": "Chicken Biryani", "quantity": "1 portion", "emoji": "🍛", "type": "restaurant"},
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{"name": "Veg Biryani", "quantity": "1 portion", "emoji": "🍚", "type": "restaurant"}
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]
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MODE 3 — COOK AT HOME (user wants to cook):
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Signals: "cook", "recipe", "ingredients for", "how to make", "groceries for", "i will make"
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Action: Return grocery ingredient list (6–12 items).
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type: "grocery"
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MODE 4 — SITUATION / NEED (health, mood, lifestyle):
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Signals: "sick", "fever", "diet", "weight loss", "party", "snacks", "breakfast", "workout"
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Action: Return 5–10 relevant products. Mix types if appropriate.
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═══════════════════════════════════════════
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STRICT ACCURACY RULES:
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- A product name is a product — never auto-upgrade it to a dish
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- Only return items the user actually needs — no upsells, no extras
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- If query is ambiguous between product vs dish, choose MODE 1 (product)
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- "tomato" → tomatoes, NOT tomato rice or tomato sauce
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- "chicken" → raw chicken cuts, NOT chicken curry or chicken burger
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- "lemon" → lemons, NOT lemon juice or lemon cake
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═══════════════════════════════════════════
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OUTPUT RULES:
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- Raw JSON array only. Nothing else.
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- Every item: exactly 4 keys — "name", "quantity", "emoji", "type"
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- "type": only "restaurant" or "grocery"
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- No duplicates. No nulls. No empty strings.
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- Max 6 items total unless MODE 3 (ingredients list).''',
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},
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{'role': 'user', 'content': q},
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],
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}),
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);
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if (res.statusCode != 200) {
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throw Exception('API error ${res.statusCode}: ${res.body}');
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}
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final data = jsonDecode(res.body) as Map<String, dynamic>;
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final content = data['choices'][0]['message']['content'] as String;
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final start = content.indexOf('[');
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final end = content.lastIndexOf(']') + 1;
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if (start == -1 || end == 0) {
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throw Exception('No JSON array found in response');
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}
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final List parsed =
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jsonDecode(content.substring(start, end)) as List;
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final newItems = parsed
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.asMap()
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.entries
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.map((e) =>
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GroceryItem.fromJson(e.key, e.value as Map<String, dynamic>))
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.toList();
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// Preserve cart state for already-added items
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for (final item in newItems) {
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if (cartItems.any((c) => c.name == item.name)) {
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item.inCart = true;
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}
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}
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items = newItems;
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// ── Trigger store matching ──────────────────────────────────────────
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if (items.isNotEmpty) {
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try {
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final storeCtrl = Get.find<StoreMatchController>();
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await storeCtrl.matchAiItems(items);
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} catch (e, st) {
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print('[StoreMatch] Error during matching: $e');
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print(' StackTrace: $st');
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}
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}
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} on FormatException catch (e) {
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print('[GrocerySearch] FormatException: $e');
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} on http.ClientException catch (e) {
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print('[GrocerySearch] Network error: $e');
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} catch (e, st) {
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print('[GrocerySearch] Unexpected error: $e');
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print(' StackTrace: $st');
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} finally {
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loading = false;
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notifyListeners();
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}
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}
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// ─── Cart ─────────────────────────────────────────────────────────────────
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void toggleCart(GroceryItem item) {
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HapticFeedback.lightImpact();
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if (item.inCart) {
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item.inCart = false;
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cartItems.removeWhere((c) => c.id == item.id && c.name == item.name);
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} else {
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item.inCart = true;
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cartItems.add(item);
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}
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cartItems.isNotEmpty
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? cartBarController.forward()
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: cartBarController.reverse();
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notifyListeners();
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}
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void addAllToCart() {
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HapticFeedback.mediumImpact();
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for (final item in items) {
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if (!item.inCart) {
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item.inCart = true;
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cartItems.add(item);
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}
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}
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cartBarController.forward();
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notifyListeners();
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}
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bool get allInCart => items.isNotEmpty && items.every((i) => i.inCart);
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void removeFromCart(GroceryItem item) {
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item.inCart = false;
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cartItems.removeWhere((c) => c.id == item.id && c.name == item.name);
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if (cartItems.isEmpty) cartBarController.reverse();
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notifyListeners();
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}
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// ─── Helpers ──────────────────────────────────────────────────────────────
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void clearSearch() {
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textController.clear();
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hasSearched = false;
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items = [];
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lastQuery = '';
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focusNode.requestFocus();
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notifyListeners();
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}
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void fillSearch(String query) {
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textController.text = query;
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search(query);
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}
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}
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