private static async Task <bool> _editPageAsync(MediaWikiClient client, EditHistory history, string pageTitle, string pageContent)
{
// Check to see if we've made this edit before.
// If we've already made this page before, don't do anything.
EditRecord record = await history.GetEditRecordAsync(pageTitle, pageContent);
if (record is null)
{
// Get existing page content.
// This allows us to make sure that no one has removed the "{{BotGenerated}}" flag.
// If it has been removed, do not modify the page.
MediaWikiApiParseRequestResult parse_result = client.Parse(pageTitle, new ParseParameters());
if (parse_result.ErrorCode == ErrorCode.MissingTitle || parse_result.Text.Contains(BotFlag))
{
if (parse_result.ErrorCode == ErrorCode.MissingTitle)
{
_log(string.Format("creating page \"{0}\"", pageTitle));
}
else
{
_log(string.Format("editing page \"{0}\"", pageTitle));
}
try {
client.Edit(pageTitle, new EditParameters {
Action = EditAction.Text,
Text = pageContent
});
// Make a record of the edit.
await history.AddEditRecordAsync(pageTitle, pageContent);
// Return true to indicate that edits have occurred.
return(true);
}
catch (Exception ex) {
_log(ex.ToString());
}
}
else
{
_log(string.Format("skipping page \"{0}\" (manually edited)", pageTitle));
}
}
else
{
_log(string.Format("skipping page \"{0}\" (previously edited)", pageTitle));
}
// Return false to indicate that no edits have occurred.
return(false);
}
public MediaWikiApiParseRequestResult Parse(string title, ParseParameters parameters)
{
LogInfo(string.Format("parsing page \"{0}\"", title));
string data = _http_get(_get_api_url() + string.Format("?action=parse&page={0}&prop=wikitext&format=json", title));
JObject json = JObject.Parse(data);
MediaWikiApiParseRequestResult result = new MediaWikiApiParseRequestResult();
if (json.ContainsKey("parse"))
{
result.Text = json["parse"]["wikitext"]["*"].Value <string>();
}
else if (json.ContainsKey("error"))
{
result.SetError(json["error"]["code"].Value <string>(), json["error"]["info"].Value <string>());
}
return(result);
}
private static async Task _editSpeciesPageAsync(MediaWikiClient client, EditHistory history, Species species, string pageTitle, string pageContent)
{
if (await _editPageAsync(client, history, pageTitle, pageContent))
{
// If the edit was successful, associated it with this species.
EditRecord record = await history.GetEditRecordAsync(pageTitle, pageContent);
if (record != null)
{
await history.AddEditRecordAsync(species.Id, record);
// Because it's possible that the species was renamed, we need to look at past edits to find previous titles of the same page.
// Old pages for renamed species will be deleted.
EditRecord[] edit_records = (await history.GetEditRecordsAsync(species.Id))
.Where(x => x.Id != record.Id && x.Title.ToLower() != record.Title.ToLower())
.ToArray();
// Delete all created pages where the old title does not match the current title.
foreach (EditRecord i in edit_records)
{
MediaWikiApiParseRequestResult parse_result = client.Parse(i.Title, new ParseParameters());
if (parse_result.Text.Contains(BotFlag))
{
// Only delete pages that haven't been manually edited.
client.Delete(i.Title, new DeleteParameters {
Reason = "species page moved to " + pageTitle
});
// Add an edit record for this page so that we can restore the content later without it thinking we've already made this edit.
// This is important, because this step can delete redirects when a page with redirects is updated. By creating a new edit record, the redirect will be recreated.
await history.AddEditRecordAsync(i.Title, string.Empty);
}
}
// We also need to delete any redirect pages that are now invalid (i.e. when specific epithet that points to a common name is changed).
// Delete all redirects that point to this page (or one of this page's previous titles).
RedirectRecord[] redirect_records = (await history.GetRedirectRecordsAsync())
.Where(i => i.Target == pageTitle || edit_records.Any(j => j.Title == i.Target)) // points to the title of this page, or one of its previous titles
.Where(i => i.Title != species.FullName) // the title doesn't match this species' full name (the species has been renamed)
.ToArray();
foreach (RedirectRecord j in redirect_records)
{
MediaWikiApiParseRequestResult parse_result = client.Parse(j.Title, new ParseParameters());
if (parse_result.IsRedirect && parse_result.Text.Contains(BotFlag))
{
// Only delete pages that haven't been manually edited.
client.Delete(j.Title, new DeleteParameters {
Reason = "outdated redirect"
});
}
}
}
}
}
private static async Task <string> UploadPictureAsync(MediaWikiClient client, EditHistory history, UploadParameters parameters, bool allowRetry)
{
// Check if we've already uploaded this file before.
// If we've uploaded it before, return the filename that we uploaded it with.
UploadRecord record = await history.GetUploadRecordAsync(parameters.FilePath);
if (record is null)
{
// Get page for the file and check for the bot flag.
// This prevents us from overwriting images that users uploaded manually.
MediaWikiApiParseRequestResult page_content = client.Parse(parameters.PageTitle, new ParseParameters());
if (page_content.ErrorCode == ErrorCode.MissingTitle || page_content.Text.Contains(BotFlag))
{
// Attempt to upload the file.
try {
parameters.Text = BotFlag + '\n' + parameters.Text;
MediaWikiApiRequestResult result = client.Upload(parameters);
if (!result.Success)
{
_log(result.ErrorMessage);
}
if (result.ErrorCode == ErrorCode.VerificationError && allowRetry)
{
// This means that the file extension didn't match (e.g., filename has ".png" when the file format is actually ".jpg").
// Try changing the file extension and reuploading, because sometimes URLs stored in the bot will have this problem.
string ext = System.IO.Path.GetExtension(parameters.UploadFileName);
ext = (ext == ".png") ? ".jpg" : ".png";
parameters.UploadFileName = System.IO.Path.ChangeExtension(parameters.UploadFileName, ext);
_log("file extension didn't match, retrying upload");
return(await UploadPictureAsync(client, history, parameters, false));
}
else
{
if (result.Success || result.ErrorCode == ErrorCode.FileExistsNoChange)
{
// If the upload succeeded, record the file upload so that we can skip it in the future.
await history.AddUploadRecordAsync(parameters.FilePath, parameters.UploadFileName);
// Add the bot flag to the page content.
// client.Edit(parameters.PageTitle, new EditParameters { Text = BotFlag });
}
else
{
parameters.UploadFileName = string.Empty;
}
}
}
catch (Exception ex) {
parameters.UploadFileName = string.Empty;
_log(ex.ToString());
}
}
else
{
_log(string.Format("skipping file \"{0}\" (manually edited)", parameters.UploadFileName));
}
}
else
{
// This image has been uploaded previously, so just return its path.
_log(string.Format("skipping file \"{0}\" (previously uploaded)", parameters.UploadFileName));
parameters.UploadFileName = record.UploadFileName;
}
return(parameters.UploadFileName);
}
