/// <summary>
/// Validates the request to create a new trail
/// </summary>
public ValidationServiceResponse <TopoTrailInfo> ValidateCreate(ITopoTrailUpdateRequest request)
{
// load existing trail
var response = new ValidationServiceResponse <TopoTrailInfo>(null);
// do basic validation
if (String.IsNullOrWhiteSpace(request.Name))
{
response.AddError("Name", "Name is required!");
}
// TODO: REFACTOR: use GeoPolitical
var timezone = GeoTimezoneInfo.Find(request.Timezone);
if (timezone == null)
{
response.AddError("Timezone", "Timezone is missing or invalid!");
}
var country = GeoCountryInfo.Find(request.Country);
if (country == null)
{
response.AddError("Country", "Country is missing or invalid!");
}
var region = GeoRegionInfo.Find(request.Region);
if (region == null && !String.IsNullOrWhiteSpace(request.Region))
{
response.AddError("Region", "Region is invalid!");
}
return(response);
}
public TopoTrailInfo(ITopoTrailUpdateRequest data, List <GpxTrackData> tracks)
{
Name = data.Name;
Description = data.Description;
Keywords = data.Keywords;
UrlText = data.UrlText;
UrlLink = data.UrlLink;
Timezone = GeoTimezoneInfo.Find(data.Timezone);
if (Timezone == null)
{
Timezone = GeoTimezoneInfo.UTC;
}
Country = GeoCountryInfo.Find(data.Country);
Region = GeoRegionInfo.Find(data.Region);
Location = data.Location;
if (tracks != null)
{
foreach (var track in tracks)
{
var t = new TopoTrackInfo(this, track);
_tracks.Add(t);
}
}
}
/// <summary>
/// Validates the request to update an existing trail
/// </summary>
public ValidationServiceResponse <TopoTrailInfo> ValidateUpdate(ITopoTrailUpdateRequest request)
{
// validate basic request first
var response = ValidateCreate(request);
if (response.HasErrors)
{
return(response);
}
// load existing trail
var trail = GetTrail(request.Key);
if (trail == null)
{
response.AddError("Trail", $"Trail {request.Key} does not exist!");
}
// fresh result with trail attached
return(new ValidationServiceResponse <TopoTrailInfo>(trail));
}
/// <summary>
/// Updates the trail metadata and synchronizes file and cache
/// </summary>
public ValidationServiceResponse <TopoTrailInfo> UpdateTrail(ITopoTrailUpdateRequest request)
{
// validate update request
var response = ValidateUpdate(request);
if (response.HasErrors)
{
return(response);
}
// process update request
var trail = response.Data;
// save current filename for later
var existing = GetFilename(trail);
// check file system
if (!Directory.Exists(_rootUri))
{
throw new Exception($"Directory not initalized: {_rootUri}");
}
var folder = Path.Combine(_rootUri, trail.Country.Name);
if (!Directory.Exists(folder))
{
Directory.CreateDirectory(folder);
}
// update trail properties
trail.Timezone = GeoTimezoneInfo.Find(request.Timezone);
trail.Country = GeoCountryInfo.Find(request.Country);
trail.Region = GeoRegionInfo.Find(request.Region);
trail.Name = TextMutate.TrimSafe(request.Name);
trail.Description = TextMutate.TrimSafe(request.Description);
trail.Location = TextMutate.TrimSafe(request.Location);
trail.Keywords = TextMutate.FixKeywords(request.Keywords);
// TODO: BUG: fix url writing for v1.1 files!
//trail.UrlLink = TextMutate.FixUrl(request.UrlLink);
//trail.UrlText = TextMutate.TrimSafe(request.UrlText);
// generate new and rename/remove existing files
var filename = GetFilename(trail);
// check if overwrite file
var renamed = String.Compare(existing, filename, true) != 0;
if (!renamed)
{
// temp rename current file
File.Move(existing, existing + "~temp");
existing = existing + "~temp";
}
// write new file
var contents = BuildGpx(trail);
File.WriteAllText(filename, contents);
// delete old file
File.Delete(existing);
// refresh key and cache data
if (renamed)
{
trail.Key = Path.GetFileNameWithoutExtension(filename).ToUpperInvariant();
_trails.Remove(request.Key.ToUpperInvariant());
_trails.Add(trail);
}
// return successful response
return(response);
}
