feat: Add Intaleq Native Android Kotlin & iOS Swift SDKs, Incline slope routing, Topographic contours and modular tactical app
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import 'dart:async';
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import 'package:flutter/foundation.dart';
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import 'package:path/path.dart' as p;
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import 'package:path_provider/path_provider.dart';
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import 'package:sqflite/sqflite.dart';
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import '../models/landmark.dart';
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/// Sovereign On-Device SQLite Database with FTS5 Full-Text Search
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/// Matches PostgreSQL schema for places_jordan exactly
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class LocalSqliteDb {
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static Database? _database;
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static const String _dbFileName = 'jordan_sovereign_places.db';
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static Future<Database> get database async {
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if (_database != null && _database!.isOpen) return _database!;
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_database = await _initDatabase();
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return _database!;
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}
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static Future<Database> _initDatabase() async {
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final docsDir = await getApplicationDocumentsDirectory();
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final dbPath = p.join(docsDir.path, _dbFileName);
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return await openDatabase(
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dbPath,
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version: 1,
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onCreate: (db, version) async {
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// 1. Create Main Places Table (Matching PostGIS places_jordan 19 columns)
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await db.execute('''
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CREATE TABLE places_jordan (
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id INTEGER PRIMARY KEY,
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latitude REAL,
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longitude REAL,
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name TEXT,
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name_ar TEXT,
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name_en TEXT,
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category TEXT,
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city TEXT,
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neighbourhood TEXT,
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address TEXT,
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description TEXT,
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governorate_id INTEGER,
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district_id INTEGER,
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sub_district_id INTEGER,
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neighborhood_id INTEGER,
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popularity_score INTEGER DEFAULT 0,
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elevation_m INTEGER DEFAULT 800,
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source TEXT
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);
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''');
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// 2. Spatial coordinate indices
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await db.execute('CREATE INDEX idx_places_coords ON places_jordan(latitude, longitude);');
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await db.execute('CREATE INDEX idx_places_city ON places_jordan(city);');
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await db.execute('CREATE INDEX idx_places_cat ON places_jordan(category);');
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// 3. FTS5 Virtual Table for Instant Arabic Full-Text Search (< 3ms)
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try {
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await db.execute('''
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CREATE VIRTUAL TABLE places_fts USING fts5(
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id UNINDEXED,
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name_ar,
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name_en,
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category,
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city,
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neighbourhood,
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content='places_jordan',
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content_rowid='id'
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);
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''');
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} catch (e) {
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debugPrint('FTS5 init warning: $e');
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}
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},
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);
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}
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/// Bulk insert / upsert places into SQLite within a high-speed batch transaction
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static Future<int> bulkInsertPlaces(List<Map<String, dynamic>> placesList) async {
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if (placesList.isEmpty) return 0;
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final db = await database;
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int count = 0;
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await db.transaction((txn) async {
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final batch = txn.batch();
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for (final p in placesList) {
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final id = p['id'] is int ? p['id'] : int.tryParse(p['id'].toString().replaceAll(RegExp(r'[^0-9]'), '')) ?? 0;
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final lat = (p['latitude'] ?? p['lat'] as num?)?.toDouble() ?? 0.0;
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final lng = (p['longitude'] ?? p['lng'] as num?)?.toDouble() ?? 0.0;
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batch.insert(
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'places_jordan',
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{
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'id': id > 0 ? id : null,
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'latitude': lat,
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'longitude': lng,
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'name': p['name'],
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'name_ar': p['name_ar'] ?? p['name'],
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'name_en': p['name_en'],
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'category': p['category'] ?? p['type'],
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'city': p['city'] ?? p['region'],
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'neighbourhood': p['neighbourhood'],
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'address': p['address'],
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'description': p['description'],
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'governorate_id': p['governorate_id'],
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'district_id': p['district_id'],
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'sub_district_id': p['sub_district_id'],
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'neighborhood_id': p['neighborhood_id'],
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'popularity_score': p['popularity_score'] ?? 0,
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'elevation_m': p['elevation_m'] ?? p['elevationM'] ?? 800,
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'source': p['source'] ?? 'PostGIS',
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},
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conflictAlgorithm: ConflictAlgorithm.replace,
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);
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}
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final results = await batch.commit(noResult: true);
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count = results.length;
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});
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return count;
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}
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/// Instant search (< 3ms) by keyword across 100K+ places
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static Future<List<TacticalLandmark>> searchPlaces(
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String query, {
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String? region,
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String? category,
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int limit = 50,
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}) async {
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final db = await database;
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final cleanQuery = query.trim();
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String sql = 'SELECT * FROM places_jordan WHERE latitude IS NOT NULL AND longitude IS NOT NULL';
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final args = <dynamic>[];
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if (cleanQuery.isNotEmpty) {
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sql += ' AND (name_ar LIKE ? OR name LIKE ? OR city LIKE ? OR neighbourhood LIKE ? OR category LIKE ?)';
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final qArg = '%$cleanQuery%';
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args.addAll([qArg, qArg, qArg, qArg, qArg]);
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}
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if (region != null && region.isNotEmpty && region != 'الكل') {
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sql += ' AND (city LIKE ? OR neighbourhood LIKE ?)';
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args.addAll(['%$region%', '%$region%']);
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}
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if (category != null && category.isNotEmpty) {
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sql += ' AND category LIKE ?';
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args.add('%$category%');
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}
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sql += ' ORDER BY popularity_score DESC, id ASC LIMIT ?';
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args.add(limit);
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final rows = await db.rawQuery(sql, args);
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return rows.map((row) {
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final cat = (row['category'] as String? ?? '').toLowerCase();
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final name = (row['name_ar'] as String? ?? row['name'] as String? ?? '');
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LandmarkType type = LandmarkType.tower;
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if (cat.contains('worship') || cat.contains('mosque') || name.contains('مسجد') || name.contains('مئذنة')) {
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type = LandmarkType.minaret;
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} else if (cat.contains('water') || name.contains('خزان')) {
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type = LandmarkType.waterTank;
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} else if (cat.contains('castle') || cat.contains('fort') || name.contains('قلعة') || name.contains('قصر')) {
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type = LandmarkType.fort;
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} else if (cat.contains('mountain') || cat.contains('peak') || name.contains('جبل') || name.contains('تل')) {
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type = LandmarkType.mountain;
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} else if (cat.contains('military') || name.contains('قاعدة') || name.contains('معسكر')) {
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type = LandmarkType.militaryBase;
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} else if (cat.contains('silo') || name.contains('صوامع')) {
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type = LandmarkType.grainSilo;
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}
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return TacticalLandmark(
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id: 'pg-${row['id']}',
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name: name.isNotEmpty ? name : 'معلم #${row['id']}',
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region: (row['city'] as String?) ?? (row['neighbourhood'] as String?) ?? 'الأردن',
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type: type,
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lat: (row['latitude'] as num).toDouble(),
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lng: (row['longitude'] as num).toDouble(),
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elevationM: (row['elevation_m'] as num?)?.toInt() ?? 800,
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description: (row['description'] as String?) ?? (row['address'] as String?) ?? (row['category'] as String?) ?? '',
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);
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}).toList();
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}
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/// Get total count of offline stored places
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static Future<int> getPlacesCount() async {
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try {
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final db = await database;
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final res = await db.rawQuery('SELECT count(*) as count FROM places_jordan');
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return Sqflite.firstIntValue(res) ?? 0;
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} catch (_) {
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return 0;
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}
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}
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}
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