refactor(example): package specific examples instead of a single example

2022-08-04 09:20:20 +06:00
parent 6d2952ae6a
commit 4d6d1a1648
267 changed files with 4690 additions and 160 deletions
@@ -0,0 +1,86 @@
+import 'dart:math';
+
+import 'package:fl_query/fl_query.dart';
+import 'package:flutter/material.dart';
+
+final successJob = QueryJob<String, void>(
+  queryKey: "greetings-example",
+  task: (queryKey, _) => Future.delayed(
+    const Duration(seconds: 2),
+    () =>
+        "The work successfully executed. Data: key=($queryKey) value=${Random.secure().nextInt(100)}",
+  ),
+);
+
+final canFailJob = QueryJob<String, void>(
+  queryKey: "failure-example",
+  task: (queryKey, _) => Random().nextBool()
+      ? Future.error("$queryKey operation failed for unknown reason")
+      : Future.value(
+          "Successful execution. Result: $queryKey=${Random().nextInt(100)}",
+        ),
+);
+
+class BasicQueryExample extends StatelessWidget {
+  const BasicQueryExample({Key? key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        Text(
+          "# Basic Query Example",
+          style: Theme.of(context).textTheme.headline5,
+        ),
+        QueryBuilder<String, void>(
+          job: successJob,
+          externalData: null,
+          builder: (context, query) {
+            if (!query.hasData || query.isLoading || query.isRefetching) {
+              return const CircularProgressIndicator();
+            }
+            return Row(
+              children: [
+                Text(query.data!),
+                ElevatedButton(
+                  child: const Text("Refetch"),
+                  onPressed: () async {
+                    await query.refetch();
+                  },
+                ),
+              ],
+            );
+          },
+        ),
+        QueryBuilder<String, void>(
+          job: canFailJob,
+          externalData: null,
+          builder: (context, query) {
+            if (!query.hasData || query.isLoading || query.isRefetching) {
+              return const CircularProgressIndicator();
+            }
+            return Row(
+              children: [
+                if (query.hasError)
+                  Text(
+                    "${query.error}. Retrying: ${query.retryAttempts}",
+                  ),
+                if (query.hasData)
+                  Text(
+                    "Success after ${query.retryAttempts}\nData: ${query.data}",
+                  ),
+                ElevatedButton(
+                  child: const Text("Refetch"),
+                  onPressed: () async {
+                    await query.refetch();
+                  },
+                ),
+              ],
+            );
+          },
+        ),
+      ],
+    );
+  }
+}