Mike Schwörer
4a33986b6a
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57 lines
1.5 KiB
Go
57 lines
1.5 KiB
Go
package sq
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import ct "gogs.mikescher.com/BlackForestBytes/goext/cursortoken"
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type FilterSort struct {
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Field string
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Direction ct.SortDirection
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}
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type PaginateFilter interface {
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SQL(params PP) (filterClause string, joinClause string, joinTables []string)
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Sort() []FilterSort
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}
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type genericPaginateFilter struct {
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sql func(params PP) (filterClause string, joinClause string, joinTables []string)
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sort func() []FilterSort
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}
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func (g genericPaginateFilter) SQL(params PP) (filterClause string, joinClause string, joinTables []string) {
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return g.sql(params)
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}
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func (g genericPaginateFilter) Sort() []FilterSort {
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return g.sort()
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}
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func NewPaginateFilter(sql func(params PP) (filterClause string, joinClause string, joinTables []string), sort []FilterSort) PaginateFilter {
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return genericPaginateFilter{
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sql: func(params PP) (filterClause string, joinClause string, joinTables []string) {
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return sql(params)
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},
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sort: func() []FilterSort {
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return sort
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},
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}
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}
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func NewSimplePaginateFilter(filterClause string, filterParams PP, sort []FilterSort) PaginateFilter {
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return genericPaginateFilter{
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sql: func(params PP) (string, string, []string) {
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params.AddAll(filterParams)
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return filterClause, "", nil
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},
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sort: func() []FilterSort {
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return sort
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},
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}
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}
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func NewEmptyPaginateFilter() PaginateFilter {
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return genericPaginateFilter{
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sql: func(params PP) (string, string, []string) { return "1=1", "", nil },
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sort: func() []FilterSort { return make([]FilterSort, 0) },
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}
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}
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