implemented reading of pdf files

FaFre · May 7, 2024 · ad77951 · ad77951
1 parent fbae085
commit ad77951
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Showing 4 changed files with 64 additions and 15 deletions.
diff --git a/app/android/app/src/main/AndroidManifest.xml b/app/android/app/src/main/AndroidManifest.xml
@@ -39,6 +39,11 @@
                <category android:name="android.intent.category.DEFAULT" />
                <category android:name="android.intent.category.BROWSABLE" />
             </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="application/pdf" />
+            </intent-filter>
         </activity>
         <receiver android:name="BangNavigatorWidgetProvider" android:exported="true">
             <intent-filter>

diff --git a/app/lib/features/share_intent/domain/services/sharing_intent.dart b/app/lib/features/share_intent/domain/services/sharing_intent.dart
@@ -1,14 +1,52 @@
 import 'dart:async';
 
+import 'package:bang_navigator/core/logger.dart';
 import 'package:bang_navigator/domain/entities/received_parameter.dart';
+import 'package:bang_navigator/features/search_browser/domain/entities/modes.dart';
 import 'package:collection/collection.dart';
+import 'package:flutter_pdf_text/flutter_pdf_text.dart';
 import 'package:flutter_sharing_intent/flutter_sharing_intent.dart';
 import 'package:flutter_sharing_intent/model/sharing_file.dart';
+import 'package:mime/mime.dart' as mime;
 import 'package:riverpod_annotation/riverpod_annotation.dart';
 import 'package:rxdart/rxdart.dart';
+import 'package:uri_to_file/uri_to_file.dart' as uri_to_file;
 
 part 'sharing_intent.g.dart';
 
+final _sharingIntentTransformer =
+    StreamTransformer<List<SharedFile>, ReceivedParameter>.fromHandlers(
+  handleData: (files, sink) async {
+    //For now only one file is supported to share with the app
+    final data = files.firstOrNull;
+
+    if (data != null && data.value != null) {
+      switch (data.type) {
+        case SharedMediaType.TEXT:
+        case SharedMediaType.URL:
+          if (uri_to_file.isUriSupported(data.value!)) {
+            final file = await uri_to_file.toFile(data.value!);
+            final mimeType = mime.lookupMimeType(file.path);
+            switch (mimeType) {
+              case 'application/pdf':
+                final content =
+                    await PDFDoc.fromFile(file).then((doc) => doc.text);
+                sink.add(
+                  ReceivedParameter(content, KagiTool.summarizer.name),
+                );
+              default:
+                logger.w('Unhandled mime type: $mimeType');
+            }
+          } else {
+            sink.add(ReceivedParameter(data.value, null));
+          }
+        default:
+          logger.w('Unhandled media type: $data');
+      }
+    }
+  },
+);
+
 @riverpod
 Raw<Stream<ReceivedParameter>> sharingIntentStream(SharingIntentStreamRef ref) {
   final initialStream = FlutterSharingIntent.instance
@@ -22,18 +60,5 @@ Raw<Stream<ReceivedParameter>> sharingIntentStream(SharingIntentStreamRef ref) {
 
   return ConcatStream(
     [initialStream, FlutterSharingIntent.instance.getMediaStream()],
-  )
-      .map(
-        (event) => event
-            .where(
-              (shared) =>
-                  shared.type == SharedMediaType.TEXT ||
-                  shared.type == SharedMediaType.URL,
-            )
-            .map((shared) => shared.value)
-            .whereNotNull()
-            .firstOrNull,
-      )
-      .whereNotNull()
-      .map((content) => ReceivedParameter(content, null));
+  ).transform(_sharingIntentTransformer);
 }
diff --git a/app/pubspec.lock b/app/pubspec.lock
@@ -406,6 +406,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.7447"
+  flutter_pdf_text:
+    dependency: "direct main"
+    description:
+      name: flutter_pdf_text
+      sha256: "97a49ecba6cf711a607642785758bf74fe0aaa3a2223524fa0c142e3966c56a0"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.6.0"
   flutter_riverpod:
     dependency: transitive
     description:
@@ -660,7 +668,7 @@ packages:
     source: hosted
     version: "1.12.0"
   mime:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: mime
       sha256: "2e123074287cc9fd6c09de8336dae606d1ddb88d9ac47358826db698c176a1f2"
@@ -1064,6 +1072,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.2.2"
+  uri_to_file:
+    dependency: "direct main"
+    description:
+      name: uri_to_file
+      sha256: cbbb38f975d22311efacc9a53cdcb806708606666d8092314b81c5cb7983b700
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
   url_launcher:
     dependency: "direct main"
     description:

diff --git a/app/pubspec.yaml b/app/pubspec.yaml
@@ -18,6 +18,7 @@ dependencies:
   flutter_hooks: ^0.20.5
   flutter_inappwebview: ^6.0.0
   flutter_material_design_icons: ^1.1.7447
+  flutter_pdf_text: ^0.6.0
   flutter_secure_storage: ^9.0.0
   flutter_sharing_intent: ^1.1.1
   go_router: ^13.2.2
@@ -26,6 +27,7 @@ dependencies:
   html: ^0.15.4
   http: ^1.2.1
   logger: ^2.2.0
+  mime: ^1.0.5
   riverpod: ^2.5.1
   riverpod_annotation: ^2.3.5
   rxdart: ^0.27.7
@@ -35,6 +37,7 @@ dependencies:
   speech_to_text_google_dialog: ^0.0.6
   text_scroll: ^0.2.0
   universal_io: ^2.2.2
+  uri_to_file: ^1.0.0
   url_launcher: ^6.2.5
 
 dev_dependencies: