| 32 | } |
| 33 | |
| 34 | func ViewSelectorFor(m *session.SessionModule, prefix string, sortFields []string, defExpression string) *ViewSelector { |
| 35 | parser := "(" + strings.Join(sortFields, "|") + ") (desc|asc)" |
| 36 | s := &ViewSelector{ |
| 37 | owner: m, |
| 38 | filterName: prefix + ".filter", |
| 39 | sortName: prefix + ".sort", |
| 40 | sortParser: parser, |
| 41 | sortParse: regexp.MustCompile(parser), |
| 42 | limitName: prefix + ".limit", |
| 43 | } |
| 44 | |
| 45 | m.AddParam(session.NewStringParameter(s.filterName, "", "", "Defines a regular expression filter for "+prefix)) |
| 46 | m.AddParam(session.NewStringParameter( |
| 47 | s.sortName, |
| 48 | defExpression, |
| 49 | s.sortParser, |
| 50 | "Defines sorting field ("+strings.Join(sortFields, ", ")+") and direction (asc or desc) for "+prefix)) |
| 51 | |
| 52 | m.AddParam(session.NewIntParameter(s.limitName, "0", "Defines limit for "+prefix)) |
| 53 | |
| 54 | s.parseSorting() |
| 55 | |
| 56 | return s |
| 57 | } |
| 58 | |
| 59 | func (s *ViewSelector) parseFilter() (err error) { |
| 60 | if err, s.Filter = s.owner.StringParam(s.filterName); err != nil { |