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only create filter provider if download is complete

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This commit is contained in:
Florian Stinglmayr 2021-07-13 17:46:06 +02:00
parent 14c14f7626
commit 3eccbaa8b8
2 changed files with 21 additions and 8 deletions
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14
EDDB/API.cs
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@ -10,6 +10,10 @@ namespace NonaBGS.EDDB {
private string systems_file = null; private string systems_file = null;
public delegate void DatabaseAvailableDelegate();
public event DatabaseAvailableDelegate SystemsAvailable;
public string SystemsFile => systems_file; public string SystemsFile => systems_file;
public string Cache { public string Cache {
@ -27,13 +31,15 @@ namespace NonaBGS.EDDB {
client.DownloadDataCompleted += Client_DownloadDataCompleted; client.DownloadDataCompleted += Client_DownloadDataCompleted;
} }
private void DownloadFile(string url, string file) { private void DownloadFile(string url, string file, DatabaseAvailableDelegate notifier) {
client.DownloadFileAsync(new Uri(url), file); client.DownloadFileAsync(new Uri(url), file, notifier);
} }
public void Download(bool force) { public void Download(bool force) {
if (!HaveSystemsFile || force) { if (!HaveSystemsFile || force) {
DownloadFile(EDDB_SYSTEMS_ARCHIVE, systems_file); DownloadFile(EDDB_SYSTEMS_ARCHIVE, systems_file, SystemsAvailable);
} else if (HaveSystemsFile) {
SystemsAvailable?.Invoke();
} }
} }
@ -54,6 +60,8 @@ namespace NonaBGS.EDDB {
} }
private void Client_DownloadDataCompleted(object sender, DownloadDataCompletedEventArgs e) { private void Client_DownloadDataCompleted(object sender, DownloadDataCompletedEventArgs e) {
DatabaseAvailableDelegate notifier = e.UserState as DatabaseAvailableDelegate;
notifier?.Invoke();
} }
} }
} }

15
MainWindow.xaml.cs
View File

@ -20,8 +20,6 @@ namespace NonaBGS {
private Report report = new Report(); private Report report = new Report();
private Config config = new Config(); private Config config = new Config();
private API api = null; private API api = null;
private PopulatedSystems systems_db = null;
private SystemSuggestionProvider systems_provider = null;
public Config Config => config; public Config Config => config;
@ -54,12 +52,19 @@ namespace NonaBGS {
Log(e.Message); Log(e.Message);
} }
api.SystemsAvailable += Api_SystemsAvailable;
try { try {
SyncDatabases(); SyncDatabases();
} catch (Exception e) {
Log(e.Message);
}
}
systems_db = api.MakePopulatedSystems(); private void Api_SystemsAvailable() {
systems_provider = new SystemSuggestionProvider(systems_db); try {
system.Provider = systems_provider; var systems_db = api.MakePopulatedSystems();
system.Provider = new SystemSuggestionProvider(systems_db);
} catch (Exception e) { } catch (Exception e) {
Log(e.Message); Log(e.Message);
} }