}// end on seven-argument constructor
public static bool DeserializeCityJSON(string cityJSON, ref CityData cityData)
{
cityData = JsonConvert.DeserializeObject<CityData>(cityJSON);
if (cityData == null)
{
return false;
}// end of if block
else
{
return true;
}// end of else block
}// end of method DeserializeCityJSON
/// <summary>
/// Accepts a CityData object and exports it to a JSON file.
/// </summary>
/// <param name="cityData">The CityData object to be written to a JSON file.</param>
/// <returns>A <see cref="bool"/> value representing success or failure</returns>
public static bool ExportToJSON(CityData dataItem)
{
if (dataItem != null)
{
try
{
string strJSON = null;
string convertedJson = null;
List <CityData> cityDataList;
// check for the parent directory
if (!Directory.Exists(Directory.GetParent(PREVIOUSLY_FOUND_CITIES_JSON).FullName))
{
Directory.CreateDirectory(Directory.GetParent(PREVIOUSLY_FOUND_CITIES_JSON).FullName);
}// end of if block
if (File.Exists(PREVIOUSLY_FOUND_CITIES_JSON))
{
strJSON = File.ReadAllText(PREVIOUSLY_FOUND_CITIES_JSON);
cityDataList = JsonConvert.DeserializeObject <List <CityData> >(strJSON);
cityDataList.Add(dataItem);
convertedJson = JsonConvert.SerializeObject(cityDataList, Formatting.Indented);
}// end of if block
else
{
cityDataList = new List <CityData> {
dataItem
}; // create an array so that more items can be added later
convertedJson = JsonConvert.SerializeObject(cityDataList, Formatting.Indented);
}// end of else block
using (var jsonWriter = new StreamWriter(PREVIOUSLY_FOUND_CITIES_JSON, false))
{
jsonWriter.WriteLine(JsonPrettify(convertedJson));
}// end of using block
return(true);
}// end of try block
catch (Exception e)
{
UtilityMethod.LogMessage(UtilityMethod.LogLevel.SEVERE, e.Message,
$"{TAG}::ExportToJSON [line: {UtilityMethod.GetExceptionLineNumber(e)}]");
return(false);
} // end of catch block
} // enn of if block
else
{
return(false);
} // end of else block
} // end of method ExportToJSON
}// end of method Run
/// <summary>
/// Add new location locally if it does not already exists
/// </summary>
private void StoreNewLocationLocally()
{
string[] searchCity = city.Split(',');
foreach (GeoNamesGeoLocation.GeoNames foundCity in GeoNamesGeoLocation.cityGeographicalData
.geonames)
{
if (foundCity.name.Equals(searchCity[0].Trim().ToLower(), StringComparison.OrdinalIgnoreCase) &&
foundCity.adminCodes1.iso.Equals(searchCity[1].Trim(), StringComparison.OrdinalIgnoreCase) &&
!UtilityMethod.IsNumeric(foundCity.adminCodes1.iso) ||
foundCity.countryName.Equals(searchCity[1].Trim(), StringComparison.OrdinalIgnoreCase))
{
string cityName = UtilityMethod.ToProperCase(foundCity.name);
string countryName = UtilityMethod.ToProperCase(foundCity.countryName);
string countryCode = foundCity.countryCode.ToUpper();
string regionName = UtilityMethod
.ToProperCase(foundCity.adminName1);
string regionCode = null;
regionCode = foundCity.adminCodes1.iso?.ToUpper();
float Latitude = float.Parse(foundCity.lat);
float Longitude = float.Parse(foundCity.lng);
CityData cityData = new CityData(cityName, countryName, countryCode,
regionName, regionCode, Latitude, Longitude);
string currentCity = regionCode != null ? $"{cityName}, {regionCode}" : $"{cityName}, {countryName}";
if (!UtilityMethod.IsFoundInDatabase(currentCity))
{
UtilityMethod.AddCityToDatabase(cityName, countryName, countryCode,
regionName, regionCode, Latitude, Longitude);
}// end of if block
if (!UtilityMethod.IsFoundInJSONStorage(currentCity))
{
JSONHelper.ExportToJSON(cityData);
}// end of if block
if (!UtilityMethod.IsFoundInXMLStorage(currentCity))
{
XMLHelper.ExportToXML(cityData);
} // end of if block
} // end of if block
} // end of for each loop
} // end of method StoreNewLocationLocally
/// <summary>
/// Retrieve the data from the weather web service.
/// </summary>
public void GetCityData()
{
string previousSearchesPath = $@"{AppDomain.CurrentDomain.BaseDirectory}res\storage\previous_searches\";
string previousCitySearchFile = null;
if (dataURL != null)
{
if (dataURL.Contains("geonames"))
{
SetService("geo");
}// end of if block'
else if (dataURL.Contains("api.here"))
{
SetService("here");
} // end of else block
} // end of if block
switch (GetService())
{
case "geo":
string cityName = null;
string currentLocation = null;
if (UtilityMethod.HasInternetConnection())
{
// the means that we only have GPS coordinates
if (dataURL.Contains("findNearbyPlaceNameJSON"))
{
response = HttpHelper.DownloadUrl(dataURL);
CityData currentCityData = null;
List <dynamic> cityDataList =
JsonConvert.DeserializeObject <List <dynamic> >(response);
if (cityDataList != null)
{
cityName = cityDataList[0]["name"].ToString();
string countryName = cityDataList[0]["countryName"].ToString();
string countryCode = cityDataList[0]["countryCode"].ToString();
string localCityName = cityDataList[0]["toponymName"].ToString();
string regionCode = cityDataList[0]["adminCode1"].ToString();
string regionName = cityDataList[0]["countryCode"].ToString().Equals("US") ?
UtilityMethod.usStatesByCode[regionCode].ToString() :
null;
float latitude = float.Parse(cityDataList[0]["lat"].ToString());
float longitude = float.Parse(cityDataList[0]["lng"].ToString());
currentCityData = new CityData
{
cityName = cityName,
countryName = countryName,
countryCode = countryCode,
regionCode = regionCode,
regionName = regionName,
latitude = latitude,
longitude = longitude
};
if (regionName != null)
{
currentLocation = cityName + ", " + regionName + ", "
+ countryName;
} // end of if block
else
{
currentLocation = cityName + ", " + countryName;
} // end of else block
} // end of if block
else
{
// this means that the user entered a city manually
currentLocation = response;
} // end of else block
cityName = currentLocation;
} // end of if block
else // the URL contains the city name which can be extracted
{
int start = dataURL.IndexOf(QUERY_COMMAND) + QUERY_COMMAND.Length + 1;
int end = dataURL.IndexOf("&");
try
{
cityName = Uri.UnescapeDataString(GetUrl().Substring(start, end).ToLower());
cityName = cityName.ReplaceAll("\\W", " ");
} // end of try block
catch (UriFormatException e)
{
UtilityMethod.LogMessage(UtilityMethod.LogLevel.SEVERE, e.Message,
TAG + "::handleWeatherData");
} // end of else block
} // end of else block
// just the city name is required and nothing else
if (cityName != null && cityName.Contains(","))
{
cityName = cityName.Substring(0, cityName.IndexOf(",")).ToLower();
} // end of if block // end of if block
StringBuilder fileData = new StringBuilder();
if (cityName != null)
{
previousCitySearchFile = $@"{previousSearchesPath}gn_sd_{cityName.ReplaceAll(" ", "_")}.json";
} // end of if block
if (File.Exists(previousCitySearchFile))
{
// use the file from the local storage
strJSON =
File.ReadAllText($"{previousSearchesPath}gn_sd_{cityName.ReplaceAll(" ", "_")}.json");
} // end of if block
else
{
SaveGeoNamesSearchResults(previousCitySearchFile, cityName);
} // end of else block
} // end of if block
break;
case "here":
// I prefer to use the GeoNames search results as the Here results only returns a single city.
// I might just add if in the future though.
break;
default:
break;
}// end of switch block
ProcessCityData();
}// end of method GetCityData
/// <summary>
/// Accepts a CityData object and exports it to an XML file.
/// </summary>
/// <param name="cityData">The CityData object to be written to an XML file.</param>
/// <returns>A <see cref="bool"/> value representing success or failure</returns>
public static bool ExportToXML(CityData cityData)
{
if (cityData != null)
{
try
{
bool append;
XmlWriter writer;
XmlDocument xmlDoc = new XmlDocument();
XmlWriterSettings settings = new XmlWriterSettings
{
Indent = true,
IndentChars = ("\t"),
CloseOutput = true,
OmitXmlDeclaration = false
};
// check for the parent directory
if (!Directory.Exists(Directory.GetParent(PREVIOUSLY_FOUND_CITIES_XML).FullName))
{
Directory.CreateDirectory(Directory.GetParent(PREVIOUSLY_FOUND_CITIES_XML).FullName);
}// end of if block
if (File.Exists(PREVIOUSLY_FOUND_CITIES_XML))
{
xmlDoc.Load(PREVIOUSLY_FOUND_CITIES_XML);
XmlElement root = xmlDoc.DocumentElement;
writer = root.CreateNavigator().AppendChild();
append = true;
}// end of if block
else
{
writer = XmlWriter.Create(PREVIOUSLY_FOUND_CITIES_XML, settings);
append = false;
}// end of else block
// Root element
if (!append)
{
writer.WriteStartElement("WorldCities");
}
writer.WriteStartElement("City");
writer.WriteElementString("CityName", cityData.cityName);
writer.WriteElementString("CountryName", cityData.countryName);
writer.WriteElementString("CountryCode", cityData.countryCode);
writer.WriteElementString("RegionName", cityData.regionName);
writer.WriteElementString("RegionCode", cityData.regionCode);
writer.WriteElementString("Latitude", cityData.latitude.ToString());
writer.WriteElementString("Longitude", cityData.longitude.ToString());
writer.WriteEndElement();
if (!append)
{
writer.WriteEndElement();
}
writer.Flush();
writer.Close();
if (append)
{
xmlDoc.Save(PREVIOUSLY_FOUND_CITIES_XML);
}
return(true);
}// end of try block
catch (Exception e)
{
UtilityMethod.LogMessage(UtilityMethod.LogLevel.SEVERE, e.Message,
$"{TAG}::ExportToXML [line: {UtilityMethod.GetExceptionLineNumber(e)}]");
return(false);
} // end of catch block
} // end of if block
else
{
return(false);
} // end of else block
} // end of method ExportToXML
/// <summary>
/// Load a required assets and prepare for program execution
/// </summary>
public static void Launch()
{
#region WeatherLion launch sequence
UtilityMethod.LogMessage(UtilityMethod.LogLevel.INFO, "Initiating startup...", "WeatherLionMain::Launch");
// build the required storage files
if (BuildRequiredDatabases() == 1)
{
UtilityMethod.LogMessage(UtilityMethod.LogLevel.INFO,
"All required databases constructed successfully.",
"WeatherLionMain::Launch");
}// end of if block
else
{
UtilityMethod.LogMessage(UtilityMethod.LogLevel.SEVERE,
"All required databases were not constructed successfully.",
"WeatherLionMain::Launch");
}// end of else block
// check that the required access keys are available
LionSecurityManager.Init();
// Load only the providers who have access keys assigned to them
List <string> wxOnly = LionSecurityManager.webAccessGranted;
wxOnly.Sort(); // sort the list
// GeoNames is not a weather provider so it cannot be select here
wxOnly.Remove("GeoNames");
authorizedProviders = wxOnly.ToArray();
// ensure that program has all the default assets needed for functioning properly
HealthCheck();
// load user preferences
storedPreferences = Preference.GetSavedPreferences();
string previousWeatherData = $"{DATA_DIRECTORY_PATH}{WEATHER_DATA_XML}";
connectedToInternet = UtilityMethod.HasInternetConnection();
// check for an Internet connection or previous weather data stored local
if (!connectedToInternet && !File.Exists(previousWeatherData))
{
UtilityMethod.ShowMessage("The program will not run without a working internet connection or "
+ "data that was previously stored locally" +
"\nResolve your Internet connection and relaunch the program.", null);
Application.Exit(); // terminate the program
}// end of if block
else if (connectedToInternet)
{
// obtain the current city of the connected Internet service
currentCity = UtilityMethod.GetSystemLocation();
if (currentCity != null)
{
if (currentCity.regionCode != null)
{
systemLocation = $"{currentCity.cityName}, {currentCity.regionCode}";
}// end of if block
else
{
systemLocation = $"{currentCity.cityName}, {currentCity.countryName}";
} // end of else block
} // end of if block
// if the user requires the current detected city location to be used as default
if (storedPreferences.StoredPreferences.UseSystemLocation)
{
if (systemLocation != null)
{
// use the detected city location as the default
storedPreferences.StoredPreferences.Location = systemLocation;
if (!storedPreferences.StoredPreferences.Location.Equals(systemLocation))
{
// update the preferences file
Preference.SaveProgramConfiguration("prefs", "Location", systemLocation);
// save the city to the local WorldCites database
UtilityMethod.AddCityToDatabase(
currentCity.cityName, currentCity.countryName,
currentCity.countryCode, currentCity.regionName,
currentCity.regionCode, currentCity.latitude,
currentCity.longitude);
JSONHelper.ExportToJSON(currentCity);
XMLHelper.ExportToXML(currentCity);
} // end of if block
} // end of if block
else
{
UtilityMethod.ShowMessage("The program was unable to obtain your system's location."
+ "\nYour location will have to be set manually using the preferences dialog.", null);
PreferencesForm pf = new PreferencesForm();
pf.Show();
} // end of else block
} // end of if block
} // end of else if block
Init();
#endregion
}// end of method Launch
