/// <summary>
/// Get string filter to be used with Elasticsearch.
/// </summary>
/// <param name="searchCriteria">Search criteria.</param>
/// <param name="dateTimeColumn">Name of the field with a DateTime value.</param>
/// <returns>String filter.</returns>
public static String GetFilter(this WebDateTimeSearchCriteria searchCriteria,
String dateTimeColumn)
{
Int32 index;
StringBuilder filter;
filter = new StringBuilder();
if (searchCriteria.IsNotNull())
{
filter.Append("{ \"range\": {\"" + dateTimeColumn + "\": {");
filter.Append(" \"gte\": \"" + searchCriteria.Begin.WebToString() + "\",");
filter.Append(" \"lte\": \"" + searchCriteria.End.WebToString() + "\"");
filter.Append("}}}");
if (searchCriteria.PartOfYear.IsNotEmpty())
{
filter.Append(", ");
if (searchCriteria.PartOfYear.Count == 1)
{
filter.Append(searchCriteria.PartOfYear[0].GetFilter(dateTimeColumn));
}
else
{
filter.Append("{\"bool\":{ \"should\" : [");
for (index = 0; index < searchCriteria.PartOfYear.Count; index++)
{
if (index > 0)
{
filter.Append(", ");
}
filter.Append(searchCriteria.PartOfYear[index].GetFilter(dateTimeColumn));
}
filter.Append("]}}");
}
}
}
return(filter.ToString());
}
/// <summary>
/// Check that data is valid.
/// </summary>
/// <param name="searchCriteria">Search criteria.</param>
/// <param name="isComparedToRange">
/// Indicates if date time search criteria is used to compare
/// with date time information that also has a range.
/// The value of this parameter affects which checks on
/// the search criteria that is made.
/// </param>
public static void CheckData(this WebDateTimeSearchCriteria searchCriteria,
Boolean isComparedToRange)
{
if (searchCriteria.IsNotNull())
{
#if !SWEDISH_SPECIES_OBSERVATION_SOAP_SERVICE
if ((!isComparedToRange) &&
searchCriteria.Accuracy.IsNotNull())
{
// Accuracy is only used together with range comparison.
throw new ArgumentException("Accuracy is only used together with range comparison.");
}
searchCriteria.Accuracy.CheckData();
// Begin must be older than End.
if (searchCriteria.End.Ticks < searchCriteria.Begin.Ticks)
{
throw new ArgumentException("Begin must be older than End. Begin = " + Convert.ToString(searchCriteria.Begin) + " End = " + Convert.ToString(searchCriteria.End));
}
if (isComparedToRange &&
!((searchCriteria.Operator == CompareOperator.Excluding) ||
(searchCriteria.Operator == CompareOperator.Including)))
{
// Operator must be set to Excluding or Including
// when compared data has a range.
throw new ArgumentException("Operator must be set to Excluding or Including when compared data has a range.");
}
#endif
if (searchCriteria.PartOfYear.IsNotEmpty())
{
foreach (WebDateTimeInterval partOfYear in searchCriteria.PartOfYear)
{
partOfYear.CheckData(true);
}
}
}
}
/// <summary>
/// Get string that can be added as part of a SQL where condition.
/// Returned string matches specified search criteria.
/// </summary>
/// <param name="searchCriteria">Search criteria.</param>
/// <param name="startColumn">Name of column with start date time value.</param>
/// <param name="endColumn">Name of column with end date time value.</param>
/// <returns>String that can be added as part of a SQL where condition.</returns>
public static String GetWhereCondition(this WebDateTimeSearchCriteria searchCriteria,
String startColumn,
String endColumn)
{
String loopCondition;
StringBuilder whereCondition;
whereCondition = new StringBuilder();
if (searchCriteria.IsNotNull())
{
switch (searchCriteria.Operator)
{
case CompareOperator.Excluding:
whereCondition.Append(" (" + startColumn + " >= '" + searchCriteria.Begin + "') AND " +
" (" + endColumn + " <= '" + searchCriteria.End + "') ");
break;
case CompareOperator.Including:
whereCondition.Append(" (" + startColumn + " <= '" + searchCriteria.End + "') AND " +
" (" + endColumn + " >= '" + searchCriteria.Begin + "') ");
break;
default:
throw new ArgumentException("Not supported operator in WebDateTimeSearchCriteria. Operator = " + searchCriteria.Operator);
}
if (searchCriteria.Accuracy.IsNotNull() && searchCriteria.Accuracy.IsDaysSpecified)
{
if (searchCriteria.Accuracy.IsDaysSpecified)
{
whereCondition.Append(" AND ((DATEDIFF(day, " + startColumn + ", " + endColumn + ")) <= " + searchCriteria.Accuracy.Days + ") ");
}
else
{
throw new ArgumentException("Currently only Days are supprted when testing Accuracy in WebDateTimeSearchCriteria.");
}
}
if (searchCriteria.PartOfYear.IsNotEmpty())
{
whereCondition.Append(" AND (");
loopCondition = String.Empty;
foreach (WebDateTimeInterval dateTimeInterval in searchCriteria.PartOfYear)
{
//If the interval should be calculated by day of year
if (dateTimeInterval.IsDayOfYearSpecified)
{
whereCondition.Append(loopCondition + dateTimeInterval.CreateSearchCriteriaDayOfYear(searchCriteria, startColumn, endColumn));
}
else
{
whereCondition.Append(loopCondition + dateTimeInterval.CreateSearchCriteriaDates(searchCriteria, startColumn, endColumn));
}
loopCondition = " OR ";
}
whereCondition.Append(") ");
}
}
return(whereCondition.ToString());
}
/// <summary>
/// Get string that can be added as part of a SQL where condition.
/// Returned string matches specified search criteria.
/// </summary>
/// <param name="searchCriteria">Search criteria.</param>
/// <param name="dateTimeColumn">Name of column with date time value.</param>
/// <returns>String that can be added as part of a SQL where condition.</returns>
public static String GetWhereCondition(this WebDateTimeSearchCriteria searchCriteria,
String dateTimeColumn)
{
String loopCondition;
StringBuilder whereCondition;
whereCondition = new StringBuilder();
if (searchCriteria.IsNotNull())
{
whereCondition.Append(" (" + dateTimeColumn + " >= '" + searchCriteria.Begin + "') AND " +
" (" + dateTimeColumn + " <= '" + searchCriteria.End + "') ");
if (searchCriteria.PartOfYear.IsNotEmpty())
{
whereCondition.Append(" AND (");
loopCondition = String.Empty;
foreach (WebDateTimeInterval dateTimeInterval in searchCriteria.PartOfYear)
{
int intervalBeginDay = dateTimeInterval.Begin.DayOfYear;
int intervalEndDay = dateTimeInterval.End.DayOfYear;
// Adjust intervalYearLength to the lengt of year of the interval Begindate.
// DateTime yearmax = new DateTime(dateTimeInterval.Begin.Year, 12, 31);
// int intervalYearLength = yearmax.DayOfYear;
string obsDay = " (DATEPART(dayofyear, " + dateTimeColumn + ")) ";
// string obsEndDay = " (DATEPART(dayofyear, " + dateTimeColumn + ")) ";
//If the inteval should be calculated by day of year
if (dateTimeInterval.IsDayOfYearSpecified)
{
//Check if the interval is within a year
if (dateTimeInterval.Begin.DayOfYear <= dateTimeInterval.End.DayOfYear)
{
whereCondition.Append(loopCondition +
" (" + obsDay + " >= " + intervalBeginDay + ") " +
" AND (" + obsDay + " <= " + intervalEndDay + ") ");
}
else
{
//if the interval is not within a year
whereCondition.Append(loopCondition +
" ( " +
" ( " + obsDay + " >= " + intervalBeginDay + ") OR " +
" ( " + obsDay + " <= " + intervalEndDay + ") " +
" ) " +
" AND " +
" ( " +
" ( " + obsDay + " <= " + intervalEndDay + ") OR " +
" ( " + obsDay + " >= " + intervalBeginDay + ") " +
" ) ");
}
}
else
{
whereCondition.Append(loopCondition +
" (" + obsDay + " >= " + intervalBeginDay + ") " +
" AND (" + obsDay + " <= " + intervalEndDay + ")");
}
loopCondition = " OR ";
}
whereCondition.Append(") ");
}
}
return(whereCondition.ToString());
}
/// <summary>
/// Get string filter to be used with Elasticsearch.
/// </summary>
/// <param name="searchCriteria">Search criteria.</param>
/// <param name="startDateTimeColumn">Name of the field with a start DateTime value.</param>
/// <param name="endDateTimeColumn">Name of the field with a end DateTime value.</param>
/// <param name="accuracyColumn">Name of the field with an observation date time accuracy value.</param>
/// <returns>String filter.</returns>
public static String GetFilter(this WebDateTimeSearchCriteria searchCriteria,
String startDateTimeColumn,
String endDateTimeColumn,
String accuracyColumn)
{
Int32 index;
Int64 accuracyInSeconds;
StringBuilder filter;
filter = new StringBuilder();
if (searchCriteria.IsNotNull())
{
#if !SWEDISH_SPECIES_OBSERVATION_SOAP_SERVICE
if (searchCriteria.Operator == CompareOperator.Excluding)
{
filter.Append("{ \"range\": {\"" + startDateTimeColumn + "\": {");
filter.Append(" \"gte\": \"" + searchCriteria.Begin.WebToString() + "\"");
filter.Append("}}},");
filter.Append("{ \"range\": {\"" + endDateTimeColumn + "\": {");
filter.Append(" \"lte\": \"" + searchCriteria.End.WebToString() + "\"");
filter.Append("}}}");
}
if (searchCriteria.Operator == CompareOperator.Including)
{
filter.Append("{ \"range\": {\"" + startDateTimeColumn + "\": {");
filter.Append(" \"lte\": \"" + searchCriteria.End.WebToString() + "\"");
filter.Append("}}},");
filter.Append("{ \"range\": {\"" + endDateTimeColumn + "\": {");
filter.Append(" \"gte\": \"" + searchCriteria.Begin.WebToString() + "\"");
filter.Append("}}}");
}
if (0 < searchCriteria.Accuracy.GetTotalSeconds())
{
accuracyInSeconds = searchCriteria.Accuracy.GetTotalSeconds();
filter.Append(",{ \"range\": {\"" + accuracyColumn + "\": {");
filter.Append(" \"lte\": " + accuracyInSeconds);
filter.Append("}}}");
}
if (searchCriteria.PartOfYear.IsNotEmpty())
{
filter.Append(", ");
if (searchCriteria.PartOfYear.Count == 1)
{
filter.Append(searchCriteria.PartOfYear[0].GetFilter(startDateTimeColumn,
endDateTimeColumn,
accuracyColumn,
searchCriteria.Operator));
}
else
{
filter.Append("{\"bool\":{ \"should\" : [");
for (index = 0; index < searchCriteria.PartOfYear.Count; index++)
{
if (index > 0)
{
filter.Append(", ");
}
filter.Append(searchCriteria.PartOfYear[index].GetFilter(startDateTimeColumn,
endDateTimeColumn,
accuracyColumn,
searchCriteria.Operator));
}
filter.Append("]}}");
}
}
#endif
}
return(filter.ToString());
}