public void Post()
{
var input = (new StreamReader(Request.Body)).ReadToEnd();
if (!_templateService.IsValid(input))
{
Response.StatusCode = 400;
}
else if (_storeService.SaveTemplate(_templateService.Clean(input)))
{
Response.StatusCode = 201;
}
else
{
Response.StatusCode = 500;
}
}
public Template(string template, ITemplateService templateService)
{
_templateService = templateService;
_templateService.AssertValidity(template);
_hasNeighborhoods = Regex.Matches(template, TemplateVariables.NeighborhoodLoop).Count == 1;
template = _templateService.Clean(template);
_templateString = template;
// The for loops are the separators.
var parts = SplitTemplateIntoParts(template);
PreparePartsToBeTransformedInRegex(parts);
_neighborhoodRegex = CreateNeighborHoodRegex(parts);
_cityRegexes = CreateCityRegexes(parts);
}
public City[] ExtractCities(string input)
{
input = _templateService.Clean(input);
if (_hasNeighborhoods)
{
var preNeighborhoodMatches = _cityRegexes[0] != null ? _cityRegexes[0].Matches(input) : null;
var postNeighborhoodMatches = _cityRegexes[1] != null ? _cityRegexes[1].Matches(input) : null;
if (preNeighborhoodMatches != null && postNeighborhoodMatches != null &&
preNeighborhoodMatches.Count != postNeighborhoodMatches.Count)
{
throw new InvalidOperationException("Wrong template.");
}
var totalCityMatches = preNeighborhoodMatches != null ?
preNeighborhoodMatches.Count : postNeighborhoodMatches.Count;
var cities = new City[totalCityMatches];
for (int i = 0; i < cities.Length; i++)
{
cities[i] = GetCity(
preNeighborhoodMatches != null ? preNeighborhoodMatches[i] : null,
postNeighborhoodMatches != null ? postNeighborhoodMatches[i] : null
);
int cityStartIdx;
int?cityEndIdx;
if (preNeighborhoodMatches == null)
{
if (i > 0)
{
cityStartIdx = postNeighborhoodMatches[i - 1].Index;
}
else
{
cityStartIdx = 0;
}
cityEndIdx = postNeighborhoodMatches[i].Index + postNeighborhoodMatches[i].Length;
}
else if (postNeighborhoodMatches == null)
{
cityStartIdx = preNeighborhoodMatches[i].Index;
if (i + 1 < cities.Length)
{
cityEndIdx = preNeighborhoodMatches[i + 1].Index;
}
else
{
cityEndIdx = null;
}
}
else
{
cityStartIdx = preNeighborhoodMatches[i].Index;
cityEndIdx = postNeighborhoodMatches[i].Index + postNeighborhoodMatches[i].Length;
}
var nbStr = cityEndIdx.HasValue ?
input.Substring(cityStartIdx, cityEndIdx.Value - cityStartIdx) :
input.Substring(cityStartIdx);
var nbMatches = _neighborhoodRegex.Matches(nbStr);
var neighborhoods = GetNeighborhoods(nbMatches);
foreach (var neighborhood in neighborhoods)
{
cities[i].AddNeighborhood(neighborhood);
}
}
return(cities);
}
else
{
return(ExtractCities(input, _cityRegexes[0]));
}
}
