public static IEnumerable<Incident> GetIncidents(int currentPage = IncidentsDefaultCurrentPage, int itemsPerPage = IncidentsDefaultItemsPerPage, IncidentsSortOrder sortOrder = IncidentsDefaultSortOrder)
{
Task<IEnumerable<Incident>> task = GetIncidentsAsync(currentPage, itemsPerPage, sortOrder);
task.Wait();
if (task.IsFaulted)
{
throw task.Exception;
}
return task.Result;
}
public static async Task<IEnumerable<Incident>> GetIncidentsAsync(int currentPage = IncidentsDefaultCurrentPage, int itemsPerPage = IncidentsDefaultItemsPerPage, IncidentsSortOrder sortOrder = IncidentsDefaultSortOrder)
{
if (currentPage < 0)
{
throw new ArgumentOutOfRangeException("currentPage");
}
if (itemsPerPage < 0)
{
throw new ArgumentOutOfRangeException("itemsPerPage");
}
string sortOrderString = "";
switch (sortOrder)
{
case IncidentsSortOrder.Name:
sortOrderString = "incident_name";
break;
case IncidentsSortOrder.County:
sortOrderString = "incident_county";
break;
case IncidentsSortOrder.AdministrativeUnit:
sortOrderString = "incident_administrative_unit";
break;
case IncidentsSortOrder.DateStarted:
sortOrderString = "incident_date_created";
break;
case IncidentsSortOrder.DateLastUpdated:
sortOrderString = "incident_date_last_update";
break;
case IncidentsSortOrder.Priority:
default:
sortOrderString = "incident_priority";
break;
}
// Download the webpage
string url = String.Format(GetIncidentsUrl, currentPage, itemsPerPage, sortOrderString);
HtmlWeb web = new HtmlWeb();
HtmlDocument doc = await web.LoadFromWebAsync(url);
List<Incident> incidents = new List<Incident>();
// Find incident tables
foreach (HtmlNode tableNode in doc.DocumentNode.Descendants("table"))
{
if (tableNode.HasAttributes &&
tableNode.Attributes.Contains("class") &&
tableNode.Attributes["class"].Value == "incident_table")
{
string name = tableNode.Attributes["title"].Value;
if (name != "Search for a fire")
{
int id = Incident.InvalidId;
Dictionary<string, string> details = ParseIncidentTable(tableNode);
// Parse out the hidden id
if (details.ContainsKey(IncidentIDKey))
{
id = Int32.Parse(details[IncidentIDKey]);
}
Incident incident = (id == Incident.InvalidId) ? new Incident(name, details) : new Incident(id, name, details);
incidents.Add(incident);
}
}
}
return incidents;
}