public ObservableTranslationItem(TranslationItem item)
{
this.Id = item.Id;
this.Name = item.Name;
this.Translator = item.Translator;
this.Exists = item.Exists;
this.LocalPath = Path.Combine(FileUtils.GetQuranDatabaseDirectory(), item.Filename);
_isCompressed = item.Compressed;
_serverUrl = item.Url;
}
public ObservableTranslationItem(TranslationItem item)
: base()
{
this.Id = item.Id;
this.Name = item.Name;
this.Translator = item.Translator;
this.ServerUrl = item.Url;
this.FileName = item.Filename;
this.Exists = item.Exists;
this.LocalUrl = PathHelper.Combine(FileUtils.GetQuranDatabaseDirectory(false, true), this.FileName);
this.IsCompressed = item.Compressed;
}
public static async Task<IEnumerable<TranslationItem>> DownloadTranslations(bool useCache, string tag)
{
bool shouldUseCache = false;
if (useCache)
{
var when = SettingsUtils.Get<DateTime>(Constants.PREF_LAST_UPDATED_TRANSLATIONS);
var now = DateTime.Now;
if (when.AddMilliseconds(Constants.MIN_TRANSLATION_REFRESH_TIME) > now)
{
shouldUseCache = true;
}
}
string text = null;
if (shouldUseCache)
{
text = loadCachedResponse();
}
bool refreshed = false;
if (string.IsNullOrEmpty(text))
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(WEB_SERVICE_URL);
request.Method = HttpMethod.Get;
var response = await request.GetResponseAsync();
using (var sr = new StreamReader(response.GetResponseStream()))
{
text = sr.ReadToEnd();
}
if (string.IsNullOrEmpty(text))
{
text = loadCachedResponse();
}
if (string.IsNullOrEmpty(text))
{
return null;
}
if (useCache)
{
cacheResponse(text);
}
refreshed = true;
}
TranslationsDatabaseHandler adapter = new TranslationsDatabaseHandler();
var cachedItems = adapter.GetTranslations();
List<TranslationItem> items = new List<TranslationItem>();
List<TranslationItem> updates = new List<TranslationItem>();
try
{
var token = JObject.Parse(text);
foreach(var t in token["data"])
{
TranslationItem item = new TranslationItem();
item.Id = t["id"].ToObject<int>();
item.Name = (string)t["displayName"];
item.Translator = (string)t["translator_foreign"];
if (string.IsNullOrEmpty(item.Translator))
item.Translator = (string)t["translator"];
item.LatestVersion = t["current_version"].ToObject<int>();
item.Filename = (string)t["fileName"];
item.Url = (string)t["fileUrl"];
if (item.Url.EndsWith("ext=zip", StringComparison.OrdinalIgnoreCase))
item.Compressed = true;
int firstParen = item.Name.IndexOf("(");
if (firstParen != -1)
{
item.Name = item.Name.Substring(0, firstParen - 1);
}
string databaseDir = FileUtils.GetQuranDatabaseDirectory(false);
item.Exists = FileUtils.FileExists(FileUtils.Combine(databaseDir, item.Filename));
bool needsUpdate = false;
TranslationItem localItem = cachedItems.Where(ti => ti.Id == item.Id).FirstOrDefault();
if (item.Exists)
{
if (localItem != null)
{
item.LocalVersion = localItem.LocalVersion;
}
else if (item.LatestVersion > -1)
{
needsUpdate = true;
try
{
using (var mHandler = new QuranDatabaseHandler<QuranAyah>(item.Filename))
{
item.LocalVersion = mHandler.GetTextVersion();
}
}
catch
{
Debug.WriteLine("exception opening database: " + item.Filename);
}
}
else
{
needsUpdate = true;
}
}
else if (localItem != null)
{
needsUpdate = true;
}
if (needsUpdate)
{
updates.Add(item);
}
items.Add(item);
}
if (refreshed)
{
SettingsUtils.Set<DateTime>(Constants.PREF_LAST_UPDATED_TRANSLATIONS, DateTime.Now);
}
if (updates.Count() > 0)
{
adapter.WriteTranslationUpdates(updates);
}
}
catch (Exception je)
{
Debug.WriteLine("error parsing json: " + je.Message);
}
return items;
}
public static async Task<IEnumerable<TranslationItem>> DownloadTranslations(bool useCache, string tag)
{
bool shouldUseCache = false;
if (useCache)
{
var when = SettingsUtils.Get<DateTime>(Constants.PREF_LAST_UPDATED_TRANSLATIONS);
var now = DateTime.Now;
if (when.AddMilliseconds(Constants.MIN_TRANSLATION_REFRESH_TIME) > now)
{
shouldUseCache = true;
}
}
string text = null;
if (shouldUseCache)
{
text = await LoadCachedResponse();
}
bool refreshed = false;
if (string.IsNullOrEmpty(text))
{
HttpClient httpClient = new HttpClient();
HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, WEB_SERVICE_URL);
var response = await httpClient.SendAsync(request);
text = await response.Content.ReadAsStringAsync();
if (string.IsNullOrEmpty(text))
{
text = await LoadCachedResponse();
}
if (string.IsNullOrEmpty(text))
{
return null;
}
if (useCache)
{
await CacheResponse(text);
}
refreshed = true;
}
List<TranslationItem> items = new List<TranslationItem>();
try
{
var token = JObject.Parse(text);
foreach(var t in token["data"])
{
TranslationItem item = new TranslationItem();
item.Id = t["id"].ToObject<int>();
item.Name = (string)t["displayName"];
item.Translator = (string)t["translator_foreign"];
if (string.IsNullOrEmpty(item.Translator))
item.Translator = (string)t["translator"];
item.LatestVersion = t["current_version"].ToObject<int>();
item.Filename = (string)t["fileName"];
item.Url = (string)t["fileUrl"];
if (item.Url.EndsWith("ext=zip", StringComparison.OrdinalIgnoreCase))
item.Compressed = true;
int firstParen = item.Name.IndexOf("(");
if (firstParen != -1)
{
item.Name = item.Name.Substring(0, firstParen - 1);
}
item.Exists = await FileUtils.FileExists(FileUtils.DatabaseFolder, item.Filename);
items.Add(item);
}
if (refreshed)
{
SettingsUtils.Set<DateTime>(Constants.PREF_LAST_UPDATED_TRANSLATIONS, DateTime.Now);
}
}
catch (JsonException je)
{
telemetry.TrackException(je, new Dictionary<string, string> { { "Scenario", "ParsingDownloadedTranslationJson" } });
}
return items;
}
