Smartcraft-Media-Tech/ntfysh-windows
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Start some really basic persistence support. Buggy because of async missing

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This commit is contained in:
Alexander Horner
2022-12-06 19:59:32 +00:00
parent 0a11d5a583
commit 6aa48fdd2f
2 changed files with 69 additions and 15 deletions
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82
ntfysh_client/Form1.cs
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@@ -9,6 +9,7 @@ using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using Newtonsoft.Json;
namespace ntfysh_client
{
@@ -94,32 +95,83 @@ namespace ntfysh_client
private string GetTopicsFilePath()
{
string binaryDirectory = System.IO.Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
return Path.Combine(binaryDirectory, "topics.txt");
string binaryDirectory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
return Path.Combine(binaryDirectory ?? throw new InvalidOperationException("Unable to determine path for topics file"), "topics.json");
}
private string GetLegacyTopicsFilePath()
{
string binaryDirectory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
return Path.Combine(binaryDirectory ?? throw new InvalidOperationException("Unable to determine path for legacy topics file"), "topics.txt");
}
private void SaveTopicsToFile()
{
using (StreamWriter writer = new StreamWriter(GetTopicsFilePath()))
{
foreach (string topic in notificationTopics.Items)
{
writer.WriteLine(topic);
}
}
string topicsSerialised = JsonConvert.SerializeObject(notificationListener.SubscribedTopics.Select(st => st.Value).ToList(), Formatting.Indented);
File.WriteAllText(GetTopicsFilePath(), topicsSerialised);
}
private void LoadTopics()
{
if (!File.Exists(GetTopicsFilePath())) return;
using (StreamReader reader = new StreamReader(GetTopicsFilePath()))
string legacyTopicsPath = GetLegacyTopicsFilePath();
string topicsFilePath = GetTopicsFilePath();
//If we have an old format topics file. Convert it to the new format!
if (File.Exists(legacyTopicsPath))
{
while (!reader.EndOfStream)
//Read old format
List<string> legacyTopics = new List<string>();
using (StreamReader reader = new StreamReader(legacyTopicsPath))
{
var topic = reader.ReadLine();
notificationListener.SubscribeToTopic(topic, "https://ntfy.sh", null, null);
notificationTopics.Items.Add(topic);
while (!reader.EndOfStream)
{
string legacyTopic = reader.ReadLine();
legacyTopics.Add(legacyTopic);
}
}
//Assemble new format
List<SubscribedTopic> newTopics = legacyTopics.Select(lt => new SubscribedTopic(lt, "https://ntfy.sh", null, null, null)).ToList();
string newFormatSerialised = JsonConvert.SerializeObject(newTopics, Formatting.Indented);
//Write new format
File.WriteAllText(topicsFilePath, newFormatSerialised);
//Delete old format
File.Delete(legacyTopicsPath);
}
//Check if we have any topics file on disk to load
if (!File.Exists(topicsFilePath)) return;
//We have a topics file. Load it!
string topicsSerialised = File.ReadAllText(topicsFilePath);
//Check if the file is empty
if (string.IsNullOrWhiteSpace(topicsSerialised))
{
//The file is empty. May as well remove it and consider it nonexistent
File.Delete(topicsFilePath);
return;
}
//Deserialise the topics
List<SubscribedTopic> topics = JsonConvert.DeserializeObject<List<SubscribedTopic>>(topicsSerialised);
if (topics == null)
{
//TODO Deserialise error!
return;
}
//Load them in
foreach (SubscribedTopic topic in topics)
{
notificationListener.SubscribeToTopic(topic.TopicId, topic.ServerUrl, topic.Username, topic.Password);
notificationTopics.Items.Add(topic.TopicId);
}
}