public Photo [] Query(Tag [] tags, string extraCondition, DateRange range, RollSet importidrange, RatingRange ratingrange)
{
return(Query(OrTerm.FromTags(tags), extraCondition, range, importidrange, ratingrange));
}
public Photo [] Query(Term searchexpression, string extraCondition, DateRange range, RollSet importidrange, RatingRange ratingrange)
{
bool hide = (extraCondition == null);
// The SQL query that we want to construct is:
//
// SELECT photos.id
// photos.time
// photos.uri,
// photos.description,
// photos.roll_id,
// photos.default_version_id
// photos.rating
// FROM photos, photo_tags
// WHERE photos.time >= time1 AND photos.time <= time2
// AND photos.rating >= rat1 AND photos.rating <= rat2
// AND photos.id NOT IN (select photo_id FROM photo_tags WHERE tag_id = HIDDEN)
// AND photos.id IN (select photo_id FROM photo_tags where tag_id IN (tag1, tag2..)
// AND extra_condition_string
// GROUP BY photos.id
var query_builder = new StringBuilder();
var where_clauses = new List <string> ();
query_builder.Append("SELECT id, " +
"time, " +
"base_uri, " +
"filename, " +
"description, " +
"roll_id, " +
"default_version_id, " +
"rating " +
"FROM photos ");
if (range != null)
{
where_clauses.Add(String.Format("time >= {0} AND time <= {1}",
DateTimeUtil.FromDateTime(range.Start),
DateTimeUtil.FromDateTime(range.End)));
}
if (ratingrange != null)
{
where_clauses.Add(ratingrange.SqlClause());
}
if (importidrange != null)
{
where_clauses.Add(importidrange.SqlClause());
}
if (hide && App.Instance.Database.Tags.Hidden != null)
{
where_clauses.Add(String.Format("id NOT IN (SELECT photo_id FROM photo_tags WHERE tag_id = {0})",
App.Instance.Database.Tags.Hidden.Id));
}
if (searchexpression != null)
{
where_clauses.Add(searchexpression.SqlCondition());
}
if (extraCondition != null && extraCondition.Trim() != String.Empty)
{
where_clauses.Add(extraCondition);
}
if (where_clauses.Count > 0)
{
query_builder.Append(" WHERE ");
query_builder.Append(String.Join(" AND ", where_clauses.ToArray()));
}
query_builder.Append(" ORDER BY time");
return(Query(query_builder.ToString()));
}
public Photo [] Query(Tag [] tags, string extra_condition, DateRange range, RollSet importidrange)
{
return(Query(FSpot.OrTerm.FromTags(tags), extra_condition, range, importidrange, null));
}