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filter.go
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178 lines (147 loc) · 3.43 KB
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package workflow
import (
"strconv"
"strings"
"time"
)
const multiValueDelimiter = ","
func MakeFilter(filters ...RecordFilter) *recordFilters {
var rf recordFilters
for _, f := range filters {
f(&rf)
}
return &rf
}
type recordFilters struct {
byForeignID Filter
byStatus Filter
byRunState Filter
byCreatedAtAfter FilterTime
byCreatedAtBefore FilterTime
}
func (r recordFilters) ByForeignID() Filter {
return r.byForeignID
}
func (r recordFilters) ByStatus() Filter {
return r.byStatus
}
func (r recordFilters) ByRunState() Filter {
return r.byRunState
}
func (r recordFilters) ByCreatedAtAfter() FilterTime {
return r.byCreatedAtAfter
}
func (r recordFilters) ByCreatedAtBefore() FilterTime {
return r.byCreatedAtBefore
}
func makeFilterValue(value string, isMultiMatch bool) Filter {
return Filter{
Enabled: true,
IsMultiMatch: isMultiMatch,
value: value,
}
}
type Filter struct {
Enabled bool
IsMultiMatch bool
value string
}
func (f Filter) Matches(findValue string) bool {
if !f.IsMultiMatch {
return f.value == findValue
}
for _, filterValue := range f.MultiValues() {
if filterValue == findValue {
return true
}
}
return false
}
func (f Filter) MultiValues() []string {
return strings.Split(f.value, multiValueDelimiter)
}
func (f Filter) Value() string {
return f.value
}
func makeFilterTime(compare int, value time.Time) FilterTime {
return FilterTime{
Enabled: true,
compare: compare,
value: value,
}
}
type FilterTime struct {
Enabled bool
compare int
value time.Time
}
func (f FilterTime) Matches(findValue time.Time) bool {
if f.value.Compare(findValue) == f.compare {
return true
}
return false
}
func (f FilterTime) Value() time.Time {
return f.value
}
type RecordFilter func(filters *recordFilters)
func FilterByForeignID(foreignIDs ...string) RecordFilter {
return func(filters *recordFilters) {
if len(foreignIDs) == 1 {
filters.byForeignID = makeFilterValue(foreignIDs[0], false)
return
}
var val string
for i, foreignID := range foreignIDs {
if i != 0 {
val += multiValueDelimiter
}
val += foreignID
}
filters.byForeignID = makeFilterValue(val, true)
}
}
func FilterByStatus[statusType ~int | ~int8 | ~int16 | ~int32 | ~int64](statuses ...statusType) RecordFilter {
return func(filters *recordFilters) {
if len(statuses) == 1 {
i := strconv.FormatInt(int64(statuses[0]), 10)
filters.byStatus = makeFilterValue(i, false)
return
}
var val string
for i, status := range statuses {
if i != 0 {
val += multiValueDelimiter
}
val += strconv.FormatInt(int64(status), 10)
}
filters.byStatus = makeFilterValue(val, true)
}
}
func FilterByRunState(runStates ...RunState) RecordFilter {
return func(filters *recordFilters) {
if len(runStates) == 1 {
i := strconv.FormatInt(int64(runStates[0]), 10)
filters.byRunState = makeFilterValue(i, false)
return
}
var val string
for i, rs := range runStates {
if i != 0 {
val += multiValueDelimiter
}
val += strconv.FormatInt(int64(rs), 10)
}
filters.byRunState = makeFilterValue(val, true)
}
}
func FilterByCreatedAtAfter(after time.Time) RecordFilter {
return func(filters *recordFilters) {
filters.byCreatedAtAfter = makeFilterTime(-1, after)
}
}
func FilterByCreatedAtBefore(before time.Time) RecordFilter {
return func(filters *recordFilters) {
filters.byCreatedAtBefore = makeFilterTime(1, before)
}
}