83 lines
2.5 KiB
Dart
83 lines
2.5 KiB
Dart
// Copyright (c) 2016 - 2017, Marcel Kapfer (mmk2410).
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// MIT License
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/// frontend code for filespread, a simple file over email spreading web app.
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import 'dart:convert';
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import 'dart:html';
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/// main method with click listners.
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void main() {
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// send mail listener
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querySelector("#send").onClick.listen(sendMail);
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// save address list listner
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querySelector("#save-addresses").onClick.listen(saveAddresses);
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}
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/// function for calling the backend to send mails.
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void sendMail(MouseEvent event) {
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InputElement title = querySelector("#mailtitle");
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InputElement text = querySelector("#mailtext");
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InputElement filename = querySelector("#filename");
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InputElement addresslist = querySelector("#address_list");
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CheckboxInputElement nofile = querySelector("#nofile");
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Map data = {
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"title": title.value,
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"body": text.value,
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"filename": filename.value,
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"list": addresslist.value,
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"nofile": nofile.checked
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};
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String url = "res/php/sendmail.php?data=${JSON.encode(data)}";
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HttpRequest.getString(url).then((String response) {
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if (response == "0") {
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window.alert("Mails successfully sent.");
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} else {
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window.alert("Failed to send mail.");
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}
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});
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}
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/// function to update the addresses list in the backend.
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void saveAddresses(MouseEvent event) {
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TextAreaElement addresses = querySelector("#edit-addresses");
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SelectElement list = querySelector("#edit-address-list");
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List<String> addressesList = new List();
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addresses.value.split("\n").forEach((String address) {
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if (address.isNotEmpty) addressesList.add(address);
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});
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Map data = {"list": list.value, "addresses": addressesList};
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String url = "res/php/savelist.php";
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HttpRequest.postFormData(url, {"data": JSON.encode(data)}).then((HttpRequest response) {
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if (response.responseText == "0") {
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window.alert("Addresses sucessfully saved.");
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updateAddresses(addressesList, list.value);
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} else {
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window.alert("Failed to save adresses.");
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}
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});
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}
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/// Updated the frontend after an address change.
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void updateAddresses(List<String> addresses, String list) {
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SelectElement currentList = querySelector("#address_list");
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if (currentList.value == list) {
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DivElement addressesContainer = querySelector("#addresses");
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addressesContainer.children .removeWhere((Element child) => addressesContainer.children.contains(child));
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addresses.forEach((String address) {
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ParagraphElement addressElement = new ParagraphElement();
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addressElement.text = address;
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addressesContainer.children.add(addressElement);
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});
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}
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}
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