public static Result <UrlEntry> CreateFromUrl(int keyLength, string url)
{
return(url
.ToResult(() => "URL cannot be null or empty")
.Then(v => UrlKey.Create(keyLength))
.Then(key => new UrlEntry(key, url)));
}
public Result <UrlEntry> GetUrl(UrlKey key)
{
using (var cn = Open(ConnectionString))
{
using (var cmd = CreateProc(cn, "GetUrl"))
{
cmd.Parameters.AddWithValue("@urlKey", key.Value);
return(CreateResult(cmd, dr => new UrlEntry(key, dr.GetString(1))));
}
}
}
public static async Task <HttpResponseMessage> AddUrl([HttpTrigger(AuthorizationLevel.Anonymous, "get", Route = "Bindings/UrlManager/Add")] HttpRequestMessage req, [Table("urls", "1", "KEY", Take = 1)] UrlKey keyTable, [Table("urls")] CloudTable outTable, TraceWriter log)
{
log.Info("UrlManagerAddUrlFunction - Started");
// parse query parameter
var url = req.GetQueryNameValuePairs().FirstOrDefault(q => string.Compare(q.Key, "url", StringComparison.OrdinalIgnoreCase) == 0).Value;
if (string.IsNullOrEmpty(url))
{
return(req.CreateResponse(HttpStatusCode.BadRequest, "Please provide an URL as parameter within the request"));
}
if (keyTable == null)
{
keyTable = new UrlKey {
PartitionKey = "1", RowKey = "KEY", Id = 1024
};
var addKey = TableOperation.Insert(keyTable);
await outTable.ExecuteAsync(addKey);
}
var idx = keyTable.Id;
const string alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
var s = string.Empty;
while (idx > 0)
{
s += alphabet[idx % alphabet.Length];
idx /= alphabet.Length;
}
var code = string.Join(string.Empty, s.Reverse());
log.Info($"UrlManagerAddUrlFunction - Code: {code}");
var urlData = new UrlData {
PartitionKey = $"{code[0]}", RowKey = code, Url = url
};
keyTable.Id += 10;
var operation = TableOperation.Replace(keyTable);
await outTable.ExecuteAsync(operation);
operation = TableOperation.Insert(urlData);
await outTable.ExecuteAsync(operation);
return(req.CreateResponse(HttpStatusCode.OK, urlData.RowKey));
}
public override int GetHashCode()
{
return(UrlKey.GetHashCode());
}
public UrlEntry(UrlKey key, string url)
{
this.Key = key;
this.Url = url;
}
