update database for tags

lib/models/tag.dart

@@ -0,0 +1,17 @@
+class Tag {
+  int? id;
+  String? name;
+
+  Tag({this.id, this.name});
+
+  Map<String, Object?> toMap() {
+    return {'id': id, 'name': name};
+  }
+
+  static Tag fromMap(Map<String, dynamic> map) {
+    return Tag(
+      id: map['id'],
+      name: map['name'],
+    );
+  }
+}

lib/models/tagLink.dart

@@ -0,0 +1,17 @@
+class TagLink {
+  int? recipeId;
+  int? tagId;
+
+  TagLink({this.recipeId, this.tagId});
+
+  Map<String, Object?> toMap() {
+    return {'recipeId': recipeId, 'tagId': tagId};
+  }
+
+  static TagLink fromMap(Map<String, dynamic> map) {
+    return TagLink(
+      recipeId: map['recipeId'],
+      tagId: map['tagId'],
+    );
+  }
+}

lib/utilities/database.dart

@@ -2,6 +2,8 @@
 
 import 'dart:convert';
 
+import 'package:reciper/models/tagLink.dart';
+import 'package:reciper/models/tag.dart';
 import 'package:sqflite/sqflite.dart';
 import 'package:path/path.dart';
 import '../models/recipe.dart';
@@ -58,7 +60,7 @@ class DatabaseService {
         """);
 
         db.execute("""
-          CREATE TABLE RecipesTags(
+          CREATE TABLE TagsLinks(
               recipeId INTEGER,
               tagId INTEGER,
           )
@@ -86,7 +88,7 @@ class DatabaseService {
       )
     """);
     await database.execute("""
-      CREATE TABLE RecipesTags(
+      CREATE TABLE TagsLinks(
           recipeId INTEGER,
           tagId INTEGER,
       )
@@ -110,15 +112,50 @@ class DatabaseService {
     return id;
   }
 
+  static Future<int> createTag(Tag tag) async {
+    print("CREATE");
+
+    final db = await DatabaseService.initializeDb();
+
+    final id = await db.insert('Tags', Tag(name: tag.name).toMap());
+    return id;
+  }
+
   static Future<List<Recipe>> getRecipes({String searchQuery = ""}) async {
     final db = await DatabaseService.initializeDb();
 
-    final List<Map<String, dynamic>> queryResult =
+    List<Map<String, dynamic>> queryResult =
         await db.query('Recipes', where: "title LIKE '%$searchQuery%'");
 
     return queryResult.map((e) => Recipe.fromMap(e)).toList();
   }
 
+  static Future<List<Tag>> getTags(int? recipeId) async {
+    final db = await DatabaseService.initializeDb();
+
+    List<Map<String, dynamic>> queryResult = await db.query('Tags');
+
+    return queryResult.map((e) => Tag.fromMap(e)).toList();
+  }
+
+  static Future<List<Tag>> getTagsFromRecipe(int recipeId) async {
+    final db = await DatabaseService.initializeDb();
+
+    List<Map<String, dynamic>> recipeTagsLinks =
+        await db.query('TagsLinks', where: "recipeId = $recipeId");
+
+    List<Tag> recipeTags = [];
+
+    for (var tagLink in recipeTagsLinks) {
+      List<Map<String, dynamic>> tag =
+          await db.query('Tags', where: "id = ${tagLink['tagId']}");
+
+      recipeTags.add(Tag.fromMap(tag[0]));
+    }
+
+    return recipeTags;
+  }
+
   static Future<Recipe> getRecipe(int id) async {
     final db = await DatabaseService.initializeDb();