Feat dart generate pdf

dart/generate_pdf/.gitignore

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+# See https://www.dartlang.org/guides/libraries/private-files
+
+# Files and directories created by pub
+.dart_tool/
+.packages
+build/
+# If you're building an application, you may want to check-in your pubspec.lock
+pubspec.lock
+
+# Directory created by dartdoc
+# If you don't generate documentation locally you can remove this line.
+doc/api/
+
+# dotenv environment variables file
+.env*
+
+# Avoid committing generated Javascript files:
+*.dart.js
+*.info.json      # Produced by the --dump-info flag.
+*.js             # When generated by dart2js. Don't specify *.js if your
+                 # project includes source files written in JavaScript.
+*.js_
+*.js.deps
+*.js.map
+
+.flutter-plugins
+.flutter-plugins-dependencies

dart/generate_pdf/README.md

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+# ⚡ Dart Starter Function
+
+A simple starter function. Edit `lib/main.dart` to get started and create something awesome! 🚀
+
+## 🧰 Usage
+
+### GET /
+
+- Returns a "Hello, World!" message.
+
+**Response**
+
+Sample `200` Response:
+
+```text
+Hello, World!
+```
+
+### POST, PUT, PATCH, DELETE /
+
+- Returns a "Learn More" JSON response.
+
+**Response**
+
+Sample `200` Response:
+
+```json
+{
+  "motto": "Build like a team of hundreds_",
+  "learn": "https://appwrite.io/docs",
+  "connect": "https://appwrite.io/discord",
+  "getInspired": "https://builtwith.appwrite.io"
+}
+```
+
+## ⚙️ Configuration
+
+| Setting           | Value           |
+|-------------------|-----------------|
+| Runtime           | Dart (2.17)     |
+| Entrypoint        | `lib/main.dart` |
+| Build Commands    | `dart pub get`  |
+| Permissions       | `any`           |
+| Timeout (Seconds) | 15              |
+
+## 🔒 Environment Variables
+
+No environment variables required.

dart/generate_pdf/analysis_options.yaml

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+include: package:lints/recommended.yaml

dart/generate_pdf/lib/fake_order.dart

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+import 'package:faker/faker.dart';
+import 'models/models.dart';
+
+class FakeOrder {
+  final Faker _faker;
+  FakeOrder() : _faker = Faker();
+
+  List<Item> createFakeItems([items = 10]) {
+    final List<Item> items = [];
+    for (var i = 0; i < 10; i++) {
+      final item = Item(
+        id: _faker.guid.guid(),
+        name: _faker.lorem.word(),
+        price: _faker.currency.random.amount((i) => i, 10).first,
+      );
+      items.add(item);
+    }
+    return items;
+  }
+
+  Order createFakeOrder() {
+    final items = createFakeItems();
+    int totalPrice = 0;
+
+    for (var item in items) {
+      totalPrice = totalPrice + item.price;
+    }
+
+    final order = Order(
+      id: _faker.guid.guid(),
+      date: _faker.date.dateTime(),
+      name: _faker.person.name(),
+      items: createFakeItems(),
+      total: totalPrice,
+    );
+    return order;
+  }
+}

dart/generate_pdf/lib/main.dart

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+import 'dart:async';
+import 'dart:typed_data';
+import 'package:generate_pdf/pdf.dart';
+import 'fake_order.dart';
+
+Future<dynamic> main(final context) async {
+  final pdf = PDF();
+  final order = FakeOrder();
+  var fakeOrder = order.createFakeOrder();
+  context.log(fakeOrder.toJson().toString());
+  final Uint8List? bytes = await pdf.createAndSave(fakeOrder);
+
+  if (bytes != null) {
+    context.log('PDF created.');
+    context.log(bytes);
+
+    return context.res.send(bytes, 200, {'Content-Type': 'application/pdf'});
+  }
+
+  return context.error("Someting gone wrong");
+}

dart/generate_pdf/lib/models/item.dart

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+class Item {
+  String id;
+  String name;
+  int price;
+
+  Item({
+    required this.id,
+    required this.name,
+    required this.price,
+  });
+
+  factory Item.fromJson(Map<String, dynamic> json) => Item(
+        id: json["id"],
+        name: json["name"],
+        price: json["price"]?.toDouble(),
+      );
+
+  Map<String, dynamic> toJson() => {
+        "id": id,
+        "name": name,
+        "price": price,
+      };
+}

dart/generate_pdf/lib/models/models.dart

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+export 'order.dart';
+export 'item.dart';

dart/generate_pdf/lib/models/order.dart

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+import 'item.dart';
+
+class Order {
+  String id;
+  DateTime date;
+  String name;
+  List<Item> items;
+  int total;
+
+  Order({
+    required this.id,
+    required this.date,
+    required this.name,
+    required this.items,
+    required this.total,
+  });
+
+  factory Order.fromJson(Map<String, dynamic> json) => Order(
+        id: json["id"],
+        date: json["date"],
+        name: json["name"],
+        items: List<Item>.from(json["items"].map((x) => x)),
+        total: json["total"]?.toDouble(),
+      );
+
+  Map<String, dynamic> toJson() => {
+        "id": id,
+        "date": date,
+        "name": name,
+        "items": List<Item>.from(items.map((x) => x)),
+        "total": total,
+      };
+}

dart/generate_pdf/lib/pdf.dart

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+import 'dart:typed_data';
+import 'package:pdf/widgets.dart';
+import 'models/models.dart';
+
+class PDF {
+  late Document pdf;
+  PDF() : pdf = Document();
+
+  Future<Uint8List?> createAndSave(Order order) async {
+    try {
+      pdf.addPage(
+        Page(
+          build: (Context context) => Column(
+            children: [
+              Row(children: [
+                Text("Invoice"),
+                SizedBox(width: 100),
+                Text(order.id)
+              ]),
+              ...order.items
+                  .map((e) => Row(children: [
+                        Text(e.id),
+                        SizedBox(width: 50),
+                        Text(e.name),
+                        SizedBox(width: 50),
+                        Text(e.price.toString()),
+                      ]))
+                  .toList()
+            ],
+          ),
+        ),
+      );
+      return await _save(order.id);
+    } catch (e) {
+      return null;
+    }
+  }
+
+  Future<Uint8List> _save(String name) async {
+    var x = await pdf.save();
+    return x;
+  }
+}

dart/generate_pdf/pubspec.yaml

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+name: generate_pdf
+version: 1.0.0
+
+environment:
+  sdk: ^3.0.0
+
+dependencies:
+  dart_appwrite: ^10.0.0
+  pdf: ^3.10.4
+  faker: ^2.1.0
+
+dev_dependencies:
+  lints: ^2.0.0