public async Task <IActionResult> ApplyQueryFilter(string modelId, string queryId)
{
await _eqManager.ReadRequestContentFromStreamAsync(modelId, Request.Body);
var orders = _dbContext.Orders
.Include(o => o.Customer)
.Include(o => o.Employee)
.AsQueryable();
var text = (string)_eqManager.ClientData["text"];
//read full-text search text
if (!string.IsNullOrEmpty(text))
{
var options = new FullTextSearchOptions
{
Depth = 2,
// filter to use search for string fields we chose
Filter = (propInfo) =>
{
if (propInfo.DeclaringType == typeof(Order))
{
return(propInfo.PropertyType == typeof(Customer) || propInfo.PropertyType == typeof(Employee));
}
if (propInfo.PropertyType == typeof(string))
{
if (propInfo.DeclaringType == typeof(Customer))
{
return(propInfo.Name == "ContactName" || propInfo.Name == "Country");
}
if (propInfo.DeclaringType == typeof(Employee))
{
return(propInfo.Name == "FirstName" || propInfo.Name == "LastName");
}
}
return(false);
}
};
orders = orders.FullTextSearchQuery <Order>(text, options);
}
orders = orders
.DynamicQuery <Order>(_eqManager.Query);
var list = orders.ToPagedList(_eqManager.Paging.PageIndex, 15);
ViewData["Text"] = text;
return(View("_OrderListPartial", list));
}
public async Task <ActionResult> ApplyQueryFilter(string modelId)
{
Request.InputStream.Position = 0;
await _eqManager.ReadRequestContentFromStreamAsync(modelId, Request.InputStream);
var orders = _dbContext.Orders
.Include(o => o.Customer)
.Include(o => o.Employee)
.AsQueryable();
var clientData = (IDictionary <string, object>)_eqManager.ClientData;
var text = clientData != null && clientData.TryGetValue("text", out object value)
? (string)value : "";
//read full-text search text
if (!string.IsNullOrEmpty(text))
{
var options = new FullTextSearchOptions
{
Depth = 2,
// filter to use search for string fields we chose
Filter = (propInfo) =>
{
if (propInfo.DeclaringType == typeof(Order))
{
return(propInfo.PropertyType == typeof(Customer) || propInfo.PropertyType == typeof(Employee));
}
else if (propInfo.PropertyType == typeof(string))
{
if (propInfo.DeclaringType == typeof(Customer))
{
return(propInfo.Name == "CompanyName" || propInfo.Name == "Country");
}
else if (propInfo.DeclaringType == typeof(Employee))
{
return(propInfo.Name == "FirstName" || propInfo.Name == "LastName");
}
}
return(false);
}
};
orders = orders.FullTextSearchQuery <Order>(text, options);
}
orders = orders
.DynamicQuery <Order>(_eqManager.Query);
var list = orders.ToPagedList(_eqManager.Chunk.Page, 15);
ViewData["Text"] = text;
return(View("_OrderListPartial", list));
}
public ConditionParser(string condition, FullTextSearchOptions options)
{
ConditionStream stream = new ConditionStream(condition, options);
this.options = options;
RootExpression = new ConditionExpression(options);
currentExpression = RootExpression;
Reset();
while (stream.Read())
{
if (ConditionOperator.IsSymbol(stream.Current))
{
PutToken();
SetToken(stream.Current);
PutToken();
continue;
}
switch (stream.Current)
{
case ' ':
PutToken();
continue;
case '(':
PushExpression();
continue;
case ')':
PopExpression();
continue;
case '"':
PutToken();
inQuotes = true;
SetToken(stream.ReadQuote());
PutToken();
inQuotes = false;
continue;
}
AddToken(stream.Current);
}
PutToken();
if (!ReferenceEquals(RootExpression, currentExpression))
{
if ((options & FullTextSearchOptions.ThrowOnUnbalancedParens) != 0)
{
throw new InvalidOperationException("Unbalanced parentheses.");
}
}
}
public static string cleanSearchString(string stringIn, bool inflectional = true)
{
if (stringIn.Length == 0)
{
return("");
}
//Determine whether to perform an inflectional search - i.e. FORMSOF(INFLECTIONAL, "search term")
FullTextSearchOptions myFTSOptions = default(FullTextSearchOptions);
if (inflectional)
{
myFTSOptions = FullTextSearchOptions.Default;
}
else
{
myFTSOptions = FullTextSearchOptions.None;
}
ParseFullText.FullTextSearch myFTS = new ParseFullText.FullTextSearch(stringIn, myFTSOptions);
return(myFTS.NormalForm);
}
public FullTextSearch(string condition, FullTextSearchOptions options)
{
this.condition = condition;
this.options = options;
ConditionParser parser = new ConditionParser(condition, options);
normalForm = parser.RootExpression.ToString();
searchTerms = new List <string>();
foreach (ConditionExpression exp in parser.RootExpression)
{
if (exp.IsSubexpression)
{
continue;
}
if (exp.Term.Length == 0)
{
continue;
}
searchTerms.Add(exp.Term);
}
}
public ConditionExpression(FullTextSearchOptions options) : this()
{
this.options = options;
}
public ConditionStream(string condition, FullTextSearchOptions options)
{
this.options = options;
this.condition = Regex.Replace((condition ?? String.Empty), @"\x09|\x0D|\x0A|[\x01-\x08]|\x10|[\x0B-\x0C]|[\x0E-\x1F]", " ");
index = -1;
}
public static string Parse(string condition, FullTextSearchOptions options)
{
var parser = new ConditionParser(condition, options);
return(parser.RootExpression.ToString());
}
