private void UpdateRequired(JsonObject m)
{
if (m.GetNamedNumber("type") == (int)ModelType.CLOZE)
{
return;
}
JsonArray req = new JsonArray();
List <string> flds = new List <string>();
JsonArray fields = m.GetNamedArray("flds");
for (uint i = 0; i < fields.Count; i++)
{
flds.Add(fields.GetObjectAt(i).GetNamedString("name"));
}
JsonArray templates = m.GetNamedArray("tmpls");
for (uint i = 0; i < templates.Count; i++)
{
JsonObject t = templates.GetObjectAt(i);
ReqTemplateStruct ret = RequestForTemplate(m, flds, t);
JsonArray r = new JsonArray();
r.Add(JsonValue.CreateNumberValue(t.GetNamedNumber("ord")));
r.Add(JsonValue.CreateStringValue(ret.Type));
r.Add(ret.Request[0]);
req.Add(r);
}
m["req"] = req;
}
private ReqTemplateStruct RequestForTemplate(JsonObject m, List <string> flds, JsonObject t)
{
List <string> a = new List <string>();
List <string> b = new List <string>();
ReqTemplateStruct returnResult = new ReqTemplateStruct();
foreach (string f in flds)
{
a.Add("ankiflag");
b.Add("");
}
object[] data = new object[] { 1L, 1L, (long)m.GetNamedNumber("id"), 1L, (int)t.GetNamedNumber("ord"), "",
Utils.JoinFields(a.ToArray()) };
string full = collection.RenderQA(data)["q"];
data = new object[] { 1L, 1L, (long)m.GetNamedNumber("id"), 1L, (int)t.GetNamedNumber("ord"), "",
Utils.JoinFields(b.ToArray()) };
string empty = collection.RenderQA(data)["q"];
// if full and empty are the same, the template is invalid and there is no way to satisfy it
if (full.Equals(empty))
{
returnResult.Type = "none";
//java and python source return 2 empty jsonarray here. Why?
returnResult.Request = new JsonArray[] { new JsonArray(), new JsonArray() };
return(returnResult);
}
returnResult.Type = "all";
returnResult.Request = new JsonArray[] { new JsonArray() };
List <string> tmp = new List <string>();
for (int i = 0; i < flds.Count; i++)
{
tmp.Clear();
tmp.AddRange(a);
tmp[i] = "";
data[6] = Utils.JoinFields(tmp.ToArray());
// if no field content appeared, field is required
if (!collection.RenderQA(data)["q"].Contains("ankiflag"))
{
returnResult.Request[0].Add(JsonValue.CreateNumberValue(i));
}
}
if (returnResult.Request[0].Count > 0)
{
return(returnResult);
}
// if there are no required fields, switch to any mode
returnResult.Type = "any";
returnResult.Request = new JsonArray[] { new JsonArray() };
for (int i = 0; i < flds.Count; i++)
{
tmp.Clear();
tmp.AddRange(b);
tmp[i] = "1";
data[6] = Utils.JoinFields(tmp.ToArray());
// if not the same as empty, this field can make the card non-blank
if (!collection.RenderQA(data)["q"].Equals(empty))
{
returnResult.Request[0].Add(JsonValue.CreateNumberValue(i));
}
}
return(returnResult);
}
