feat: add a book by scanning

lib/data/services/api_client.dart

@@ -1,8 +1,12 @@
 import 'dart:convert';
 
+import 'package:flutter/cupertino.dart';
 import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:http/http.dart';
 import 'package:seshat/config/constants.dart';
+import 'package:seshat/domain/models/bal.dart';
+import 'package:seshat/domain/models/book.dart';
+import 'package:seshat/domain/models/book_instance.dart';
 import 'package:seshat/domain/models/owner.dart';
 import 'package:seshat/utils/command.dart';
 import 'package:seshat/utils/result.dart';
@@ -23,18 +27,101 @@ class ApiClient {
     );
   }
 
+  Future<Map<String, String>> _getHeaders([
+    Map<String, String>? additionalHeaders,
+  ]) async {
+    await _initStore();
+    final token = await _secureStorage!.read(key: "token");
+    final headers = {"Authorization": "Bearer $token", ...?additionalHeaders};
+    return headers;
+  }
+
+  /*
+ * ===================
+ * =====[ BOOKS ]=====
+ * ===================
+*/
+
+  Future<Result<Book>> getBookByEAN(String ean) async {
+    final client = Client();
+    try {
+      final headers = await _getHeaders();
+      final response = await client.get(
+        Uri.parse("https://$apiBasePath/book/ean/$ean"),
+        headers: headers,
+      );
+      debugPrint("\n\n\n\nGOT : ${response.statusCode}\n\n\n\n");
+      if (response.statusCode == 200) {
+        debugPrint("\n\n\n\nWITH : ${response.body}\n\n\n\n");
+        final json = jsonDecode(response.body);
+        return Result.ok(Book.fromJSON(json));
+      } else {
+        debugPrintStack();
+        return Result.error(Exception("The book was not found"));
+      }
+    } catch (e, stackTrace) {
+      debugPrintStack(stackTrace: stackTrace);
+      return Result.error(Exception("API $e"));
+    } finally {
+      client.close();
+    }
+  }
+
+  /*
+ * =============================
+ * =====[ BOOKS INSTANCES ]=====
+ * =============================
+*/
+
+  Future<Result<BookInstance>> sendBook(
+    Book book,
+    Owner owner,
+    Bal bal,
+    double price,
+  ) async {
+    final client = Client();
+    try {
+      final headers = await _getHeaders({"Content-Type": "application/json"});
+      final body = jsonEncode({
+        "bal_id": bal.id,
+        "book_id": book.id,
+        "owner_id": owner.id,
+        "price": price,
+      });
+      debugPrint("\n\n\n\nSENDING : ${body}\n\n\n\n");
+      final response = await client.post(
+        Uri.parse("https://$apiBasePath/book_instance"),
+        headers: headers,
+        body: body,
+      );
+      if (response.statusCode == 201) {
+        final json = jsonDecode(response.body);
+        debugPrint("\n\n\n\nRECEIVED : ${json}\n\n\n\n");
+        return Result.ok(BookInstance.fromJSON(json));
+      } else if (response.statusCode == 403) {
+        return Result.error(Exception("You don't own that book instance"));
+      } else {
+        return Result.error(Exception("Something wrong happened"));
+      }
+    } catch (e, stack) {
+      debugPrintStack(stackTrace: stack);
+      return Result.error(Exception(e));
+    } finally {
+      client.close();
+    }
+  }
+
   /*
  * ====================
  * =====[ OWNERS ]=====
  * ====================
 */
 
+  /// Call on `/owners` to get a list of all [Owner]s
   Future<Result<List<Owner>>> getOwners() async {
     final client = Client();
     try {
-      await _initStore();
-      final token = await _secureStorage!.read(key: "token");
-      final headers = {"Authorization": "Bearer $token"};
+      final headers = await _getHeaders();
       final response = await client.get(
         Uri.parse("https://$apiBasePath/owners"),
         headers: headers,
@@ -54,6 +141,7 @@ class ApiClient {
     }
   }
 
+  /// Adds an owner to the database
   Future<Result<Owner>> addOwner(
     String firstName,
     String lastName,
@@ -61,12 +149,7 @@ class ApiClient {
   ) async {
     final client = Client();
     try {
-      await _initStore();
-      final token = await _secureStorage!.read(key: "token");
-      final headers = {
-        "Authorization": "Bearer $token",
-        "Content-Type": "application/json",
-      };
+      final headers = await _getHeaders({"Content-Type": "application/json"});
       final body = {
         "first_name": firstName,
         "last_name": lastName,

lib/data/services/auth_client.dart

@@ -20,7 +20,6 @@ class AuthClient {
     try {
       await _initStore();
       bool hasToken = await _secureStorage!.containsKey(key: "token");
-      debugPrint("\n\n\n${hasToken == true} => HAS_TOKEN\n\n\n");
       if (hasToken) {
         var token = await _secureStorage!.read(key: "token");
         var url = Uri.parse("https://$apiBasePath/token-check");
@@ -29,9 +28,6 @@ class AuthClient {
           headers: {"Content-Type": "application/json"},
           body: jsonEncode({"token": token}),
         );
-        debugPrint(
-          "\n\n\n${response.body is String} => ${response.body}\n\n\n",
-        );
 
         if (response.body == "true") {
           return Result.ok(true);
@@ -39,7 +35,6 @@ class AuthClient {
       }
       return Result.ok(false);
     } catch (e) {
-      debugPrint(e.toString());
       return Result.error(Exception(e));
     }
   }
@@ -67,8 +62,6 @@ class AuthClient {
         return Result.error(Exception("Token creation error"));
       }
     } catch (e, stackTrace) {
-      debugPrint(e.toString());
-      debugPrintStack(stackTrace: stackTrace);
       return Result.error(Exception(e));
     } finally {
       client.close();