public static DkApiResult ImageLookUp(string word)
{
HttpResponseMessage response = ApiRequest(DK_URL + "?caption=" + word + "&apikey=" + DK_KEY);
if (response.IsSuccessStatusCode)
{
string jsonResult = response.Content.ReadAsStringAsync().Result;
DkApiResult result = JsonConvert.DeserializeObject <DkApiResult>(jsonResult);
return(result);
}
else
{
throw new Exception("Failed getting result back from DK API. ImageLookUp failed. ");
}
}
// <Word, Definition, ImageUrl>
public static List <Tuple <string, string, string> > GetWordDefImageList()
{
List <Tuple <string, string, string> > result = new List <Tuple <string, string, string> >();
// get 4 random words
List <string> fourWords = new List <string>();
while (fourWords.Count < 4)
{
Random rnd = new Random();
string randomWord = WordRepo.Words[rnd.Next(0, WordRepo.Words.Count)];
if (!fourWords.Contains(randomWord))
{
fourWords.Add(randomWord);
}
}
string imageUrl = "";
string definition = "";
for (int i = 0; i < 4; i++)
{
// try cache first
using (Models.Messi messi = new Models.Messi())
{
string word = fourWords[i];
ApiCache cache = messi.ApiCaches.Where(a => a.Word.Equals(word)).FirstOrDefault();
if (cache != null)
{
imageUrl = cache.ImageUrl;
definition = cache.Definition;
}
else
{
// get imageUrl from API.
DkApiResult dkResult = Helper.ImageLookUp(word);
if (dkResult.total < 1)
{
throw new Exception("Number of images for this word is less than 1. Word: " + word);
}
else
{
imageUrl = dkResult.images[0].url;
}
// get definition from API
JObject lmResult = Helper.DefinitionLookUpObj(word);
JToken lmEntry = (lmResult["Entries"]["Entry"] is JArray) ? lmResult["Entries"]["Entry"][0] : lmResult["Entries"]["Entry"];
JToken lmSense = (lmEntry["Sense"] is JArray) ? lmEntry["Sense"][0] : lmEntry["Sense"];
JToken lmDEF = lmSense["DEF"];
if (lmDEF == null)
{
JToken lmSubsense = (lmSense["Subsense"] is JArray) ? lmSense["Subsense"][0] : lmSense["Subsense"];
lmDEF = lmSubsense["DEF"];
}
definition = lmDEF["#text"].ToString();
// cache it
messi.ApiCaches.Add(new ApiCache()
{
Word = word,
ImageUrl = imageUrl,
Definition = definition
});
messi.SaveChanges();
}
// done. <Word, Definition, ImageUrl>
result.Add(new Tuple <string, string, string>(word, definition, imageUrl));
}
}
return(result);
}
