//Get Chicken Ordinances
protected void GetLaws_Click(object sender, EventArgs e)
{
keydowno_backyard_farmerEntities db = new keydowno_backyard_farmerEntities();
string source = PerformRequest("http://www.backyardchickens.com/atype/3/Laws");
//Get number of records.
int start = source.IndexOf("<div class=\"actionbar shazam\">");
int end = source.IndexOf("law / ordinance", start);
string pagingBlock = source.Substring(start, end - start);
start = pagingBlock.IndexOf(" of ");
end = pagingBlock.IndexOf("\">", start);
string recordsNumberBlock = pagingBlock.Substring(start + " of ".Length, end - start - " of ".Length);
int recordsNumber = int.Parse(recordsNumberBlock);
List<string> articleLinks = new List<string>(recordsNumber);
//Get data for every page.
for (int pageBlock = 0; pageBlock < recordsNumber; pageBlock += 10)
{
string innerUrl = "http://www.backyardchickens.com/atype/3/Laws/page/" + pageBlock.ToString();
source = PerformRequest(innerUrl);
GetLawArticleLinks(source, articleLinks);
}
foreach (var link in articleLinks)
{
try
{
GetSpecificLawTable(link, db);
}
//That site is just awful.
catch (Exception)
{
}
}
lblProgress.Text = String.Format("{0} of {1} records processed.", articleLinks.Count, recordsNumber);
ResultLaws.Text = articleLinks[articleLinks.Count - 1];
}
//Get the law table for a specific location.
void GetSpecificLawTable(string link, keydowno_backyard_farmerEntities db)
{
string source = PerformRequest(link);
int start = source.IndexOf("<table");
int end = source.IndexOf("</table>");
if (start != -1)
{
string tableBlock = source.Substring(start, end - start);
ChickenLaws law = new ChickenLaws();
start = tableBlock.IndexOf(">", tableBlock.IndexOf("<td", tableBlock.IndexOf("<td") + 1));
end = tableBlock.IndexOf("</td>", start);
string areChickensAllowed = tableBlock.Substring(start + ">".Length, end - start - ">".Length);
areChickensAllowed = StripHtmlTags(areChickensAllowed);
start = tableBlock.IndexOf(">", tableBlock.IndexOf("<td", tableBlock.IndexOf("<td", start + 1) + 1));
end = tableBlock.IndexOf("</td>", start);
string maxChickensAllowed = tableBlock.Substring(start + ">".Length, end - start - ">".Length);
maxChickensAllowed = StripHtmlTags(maxChickensAllowed);
start = tableBlock.IndexOf(">", tableBlock.IndexOf("<td", tableBlock.IndexOf("<td", start + 1) + 1));
end = tableBlock.IndexOf("</td>", start);
string roostersAllowed = tableBlock.Substring(start + ">".Length, end - start - ">".Length);
roostersAllowed = StripHtmlTags(roostersAllowed);
start = tableBlock.IndexOf(">", tableBlock.IndexOf("<td", tableBlock.IndexOf("<td", start + 1) + 1));
end = tableBlock.IndexOf("</td>", start);
string permitRequired = tableBlock.Substring(start + ">".Length, end - start - ">".Length);
permitRequired = StripHtmlTags(permitRequired);
start = tableBlock.IndexOf(">", tableBlock.IndexOf("<td", tableBlock.IndexOf("<td", start + 1) + 1));
end = tableBlock.IndexOf("</td>", start);
string coopRestrictions = tableBlock.Substring(start + ">".Length, end - start - ">".Length);
coopRestrictions = StripHtmlTags(coopRestrictions);
start = tableBlock.IndexOf(">", tableBlock.IndexOf("<td", tableBlock.IndexOf("<td", start + 1) + 1));
end = tableBlock.IndexOf("</td>", start);
string contacts = tableBlock.Substring(start + ">".Length, end - start - ">".Length);
contacts = StripHtmlTags(contacts);
start = tableBlock.IndexOf(">", tableBlock.IndexOf("<td", tableBlock.IndexOf("<td", start + 1) + 1));
end = tableBlock.IndexOf("</td>", start);
string info = tableBlock.Substring(start + ">".Length, end - start - ">".Length);
info = StripHtmlTags(info);
start = tableBlock.IndexOf(">", tableBlock.IndexOf("<td", tableBlock.IndexOf("<td", start + 1) + 1));
end = tableBlock.IndexOf("</td>", start);
string contactLink = tableBlock.Substring(start + ">".Length, end - start - ">".Length);
contactLink = StripHtmlTags(contactLink);
start = tableBlock.IndexOf(">", tableBlock.IndexOf("<td", tableBlock.IndexOf("<td", start + 1) + 1));
end = tableBlock.IndexOf("</td>", start);
string lastUpdate = tableBlock.Substring(start + ">".Length, end - start - ">".Length);
lastUpdate = StripHtmlTags(lastUpdate);
int linkStart = link.LastIndexOf("/");
string googleJsonParam = link.Substring(linkStart + 1, link.Length - (linkStart + 1));
googleJsonParam = googleJsonParam.Replace('-', '+');
googleJsonParam = googleJsonParam.Replace("+chicken+ordinance", "");
string googleJson = PerformRequest(String.Format("http://maps.googleapis.com/maps/api/geocode/json?address={0}&sensor=true", googleJsonParam));
int locationStart = googleJson.IndexOf("formatted_address");
if (locationStart != -1)
{
int locationEnd = googleJson.IndexOf("\",", locationStart);
googleJson = googleJson.Substring(locationStart + "formatted_address\" : \"".Length, locationEnd - locationStart - "formatted_address\" : \"".Length);
}
else
{
googleJson = googleJsonParam.Replace('+', ' ');
}
law.Location = googleJson;
law.AreChickensAllowed = areChickensAllowed;
law.ChickensAllowed = maxChickensAllowed;
law.RoostersAllowed = roostersAllowed;
law.PermitRequired = permitRequired;
law.CoopRestrictions = coopRestrictions;
law.Contacts = contacts;
law.Info = info;
law.Link = contactLink;
law.LastUpdate = lastUpdate;
db.ChickenLaws.Add(law);
db.SaveChanges();
}
else
{
return;
}
//We have to somehow match the town/region/state with our existing ZipCodes table data.
//Code to insert html table elements into Database.
}
