116 lines
3.4 KiB
Dart
116 lines
3.4 KiB
Dart
import 'dart:io' as io;
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//import 'package:advance_pdf_viewer/advance_pdf_viewer.dart';
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import 'package:inconsultoria/funcoes_gerais.dart';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:get/get.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:share/share.dart';
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class PDFViewerScreenController extends GetxController {
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var loading = true.obs;
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var loadPDF = false.obs;
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var visibleRefresh = false.obs;
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var error = false.obs;
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//PDFDocument doc = PDFDocument();
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io.File? filePDF;
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@override
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void onInit() {
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super.onInit();
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this._loadPDF();
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}
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Future<void> _loadPDF() async {
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var file = await this._createFileOfPdfUrl();
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// if(file != null && await file.exists()){
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// //io.File fpdf = new io.File('${file.path}');
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// this.doc = await PDFDocument.fromFile(file);
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// //this.doc = await PDFDocument.fromFile(file);
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// //this.visibleRefresh.value = true;
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// }
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// else{
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// if(await FuncoesGerais.checkInternetConnection() == false){
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// this.error.value = true;
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// }
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// else{
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// this.doc = await PDFDocument.fromURL(FuncoesGerais.urlPDF);
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// }
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// }
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if (file == null || await file.exists() == false) {
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this.error.value = true;
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}
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this.loading.value = false;
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}
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Future<void> refreshPDF() async {
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this.loading.value = true;
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try {
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await this.filePDF!.delete();
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this._loadPDF();
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} catch (e) {
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Get.rawSnackbar(message: 'Não possível atualizar o PDF. Tente novamente');
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this.loading.value = false;
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}
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}
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Future<void> sharePDF() async {
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//Share.shareFiles(['${directory.path}/image.jpg'], text: 'Great picture');
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this.loadPDF.value = true;
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var file = await this._createFileOfPdfUrl();
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try {
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Share.shareFiles([file!.path], text: 'inconsultoria card')
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.then((value) => this.loadPDF.value = false);
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} catch (e) {
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this.loadPDF.value = false;
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Get.rawSnackbar(message: 'Não foi possível compartilhar o PDF');
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}
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}
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Future<io.File?> _createFileOfPdfUrl() async {
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final url = FuncoesGerais.urlPDF;
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io.File? file;
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//f.File file2;
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final filename = url.substring(url.lastIndexOf("/") + 1);
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String dir = (await getApplicationDocumentsDirectory()).path;
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file = io.File('$dir/$filename');
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if (!await file.exists()) {
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if (await FuncoesGerais.checkInternetConnection()) {
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var request = await io.HttpClient().getUrl(Uri.parse(url));
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var response = await request.close();
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var bytes = await consolidateHttpClientResponseBytes(response);
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await file.writeAsBytes(bytes);
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} else {
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file = null;
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}
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}
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this.filePDF = file;
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if (this.filePDF != null)
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this.visibleRefresh.value = await this.filePDF!.exists();
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return file;
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}
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Widget buildError() {
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return Container(
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width: double.maxFinite,
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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Text('Não foi possível carregar o PDF'),
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SizedBox(
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height: 10.0,
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),
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ElevatedButton(onPressed: this.refreshPDF, child: Text('Atualizar'))
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//RaisedButton(onPressed: this.refreshPDF,child: Text('Atualizar'),)
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],
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),
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);
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}
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}
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