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package web
import (
"net/url"
"strconv"
"time"
"github.com/martinlehoux/biking_home/ride"
"github.com/martinlehoux/biking_home/rides"
)
const (
rideFilterDistanceMinKm = 10
rideFilterDistanceMaxKm = 300
rideFilterDistanceStepKm = 10
rideFilterDurationMinMinutes = 0
rideFilterDurationMaxMinutes = 24 * 60
rideFilterDurationStepMinutes = 30
rideFilterCotacolMinPoints = 0
rideFilterCotacolMaxPoints = 5000
rideFilterCotacolStepPoints = 50
)
const (
rideFilterDistanceMinParam = "distance_min"
rideFilterDistanceMaxParam = "distance_max"
rideFilterDurationMinParam = "duration_min"
rideFilterDurationMaxParam = "duration_max"
rideFilterDateFromParam = "date_from"
rideFilterDateToParam = "date_to"
rideFilterCotacolMinParam = "cotacol_min"
rideFilterCotacolMaxParam = "cotacol_max"
rideFilterRouteParam = "route"
)
const (
rideRouteFilterAny = ""
rideRouteFilterAvailable = "available"
rideRouteFilterMissing = "missing"
)
type RideFilters struct {
DistanceMinKm *int
DistanceMaxKm *int
DurationMinMinutes *int
DurationMaxMinutes *int
DateFrom *time.Time
DateToExclusive *time.Time
CotacolMinPoints *int
CotacolMaxPoints *int
Route string
}
type RideFilterView struct {
Active bool
DistanceMinKm int
DistanceMaxKm int
DurationMinMinutes int
DurationMaxMinutes int
DateFrom string
DateTo string
CotacolMinPoints int
CotacolMaxPoints int
Route string
ResetURL string
}
func parseRideFilters(query url.Values) RideFilters {
filters := RideFilters{
DistanceMinKm: parseRideFilterInt(query.Get(rideFilterDistanceMinParam), rideFilterDistanceMinKm, rideFilterDistanceMaxKm, rideFilterDistanceStepKm),
DistanceMaxKm: parseRideFilterInt(query.Get(rideFilterDistanceMaxParam), rideFilterDistanceMinKm, rideFilterDistanceMaxKm, rideFilterDistanceStepKm),
DurationMinMinutes: parseRideFilterInt(query.Get(rideFilterDurationMinParam), rideFilterDurationMinMinutes, rideFilterDurationMaxMinutes, rideFilterDurationStepMinutes),
DurationMaxMinutes: parseRideFilterInt(query.Get(rideFilterDurationMaxParam), rideFilterDurationMinMinutes, rideFilterDurationMaxMinutes, rideFilterDurationStepMinutes),
CotacolMinPoints: parseRideFilterInt(query.Get(rideFilterCotacolMinParam), rideFilterCotacolMinPoints, rideFilterCotacolMaxPoints, rideFilterCotacolStepPoints),
CotacolMaxPoints: parseRideFilterInt(query.Get(rideFilterCotacolMaxParam), rideFilterCotacolMinPoints, rideFilterCotacolMaxPoints, rideFilterCotacolStepPoints),
Route: parseRideRouteFilter(query.Get(rideFilterRouteParam)),
}
filters.DateFrom = parseRideFilterDate(query.Get(rideFilterDateFromParam), false)
filters.DateToExclusive = parseRideFilterDate(query.Get(rideFilterDateToParam), true)
filters.DistanceMinKm = clearRideFilterBound(filters.DistanceMinKm, rideFilterDistanceMinKm)
filters.DistanceMaxKm = clearRideFilterBound(filters.DistanceMaxKm, rideFilterDistanceMaxKm)
filters.DurationMinMinutes = clearRideFilterBound(filters.DurationMinMinutes, rideFilterDurationMinMinutes)
filters.DurationMaxMinutes = clearRideFilterBound(filters.DurationMaxMinutes, rideFilterDurationMaxMinutes)
filters.CotacolMinPoints = clearRideFilterBound(filters.CotacolMinPoints, rideFilterCotacolMinPoints)
filters.CotacolMaxPoints = clearRideFilterBound(filters.CotacolMaxPoints, rideFilterCotacolMaxPoints)
if filters.DateFrom != nil && filters.DateToExclusive != nil && !filters.DateFrom.Before(*filters.DateToExclusive) {
filters.DateFrom = nil
filters.DateToExclusive = nil
}
if filters.DistanceMinKm != nil && filters.DistanceMaxKm != nil && *filters.DistanceMinKm > *filters.DistanceMaxKm {
filters.DistanceMinKm = nil
filters.DistanceMaxKm = nil
}
if filters.DurationMinMinutes != nil && filters.DurationMaxMinutes != nil && *filters.DurationMinMinutes > *filters.DurationMaxMinutes {
filters.DurationMinMinutes = nil
filters.DurationMaxMinutes = nil
}
if filters.CotacolMinPoints != nil && filters.CotacolMaxPoints != nil && *filters.CotacolMinPoints > *filters.CotacolMaxPoints {
filters.CotacolMinPoints = nil
filters.CotacolMaxPoints = nil
}
return filters
}
func clearRideFilterBound(value *int, bound int) *int {
if value != nil && *value == bound {
return nil
}
return value
}
func parseRideFilterInt(value string, min, max, step int) *int {
if value == "" {
return nil
}
parsed, err := strconv.Atoi(value)
if err != nil || parsed < min || parsed > max || (parsed-min)%step != 0 {
return nil
}
return &parsed
}
func parseRideFilterDate(value string, end bool) *time.Time {
if value == "" {
return nil
}
parsed, err := time.Parse(dateFormat, value)
if err != nil {
return nil
}
if end {
parsed = parsed.AddDate(0, 0, 1)
}
return &parsed
}
func parseRideRouteFilter(value string) string {
if value == rideRouteFilterAvailable || value == rideRouteFilterMissing {
return value
}
return rideRouteFilterAny
}
func buildRideFilterView(filters RideFilters, sort RideSort) RideFilterView {
dateFrom := ""
if filters.DateFrom != nil {
dateFrom = filters.DateFrom.Format(dateFormat)
}
dateTo := ""
if filters.DateToExclusive != nil {
dateTo = filters.DateToExclusive.AddDate(0, 0, -1).Format(dateFormat)
}
return RideFilterView{
Active: filters.Active(),
DistanceMinKm: rideFilterValue(filters.DistanceMinKm, rideFilterDistanceMinKm),
DistanceMaxKm: rideFilterValue(filters.DistanceMaxKm, rideFilterDistanceMaxKm),
DurationMinMinutes: rideFilterValue(filters.DurationMinMinutes, rideFilterDurationMinMinutes),
DurationMaxMinutes: rideFilterValue(filters.DurationMaxMinutes, rideFilterDurationMaxMinutes),
DateFrom: dateFrom,
DateTo: dateTo,
CotacolMinPoints: rideFilterValue(filters.CotacolMinPoints, rideFilterCotacolMinPoints),
CotacolMaxPoints: rideFilterValue(filters.CotacolMaxPoints, rideFilterCotacolMaxPoints),
Route: filters.Route,
ResetURL: rideFiltersResetURL(sort),
}
}
func rideFilterValue(value *int, fallback int) int {
if value == nil {
return fallback
}
return *value
}
func formatRideFilterInt(value int) string {
return strconv.Itoa(value)
}
func formatRideFilterDistance(value int) string {
return strconv.Itoa(value) + " km"
}
func formatRideFilterDuration(value int) string {
hours := value / 60
minutes := value % 60
return strconv.Itoa(hours) + "h " + formatTwoDigitNumber(minutes) + "m"
}
func formatRideFilterCotacol(value int) string {
return strconv.Itoa(value) + " points"
}
func formatTwoDigitNumber(value int) string {
if value < 10 {
return "0" + strconv.Itoa(value)
}
return strconv.Itoa(value)
}
func rideFilterQuery(filters RideFilters) url.Values {
query := url.Values{}
if filters.DistanceMinKm != nil {
query.Set(rideFilterDistanceMinParam, formatRideFilterInt(*filters.DistanceMinKm))
}
if filters.DistanceMaxKm != nil {
query.Set(rideFilterDistanceMaxParam, formatRideFilterInt(*filters.DistanceMaxKm))
}
if filters.DurationMinMinutes != nil {
query.Set(rideFilterDurationMinParam, formatRideFilterInt(*filters.DurationMinMinutes))
}
if filters.DurationMaxMinutes != nil {
query.Set(rideFilterDurationMaxParam, formatRideFilterInt(*filters.DurationMaxMinutes))
}
if filters.DateFrom != nil {
query.Set(rideFilterDateFromParam, filters.DateFrom.Format(dateFormat))
}
if filters.DateToExclusive != nil {
query.Set(rideFilterDateToParam, filters.DateToExclusive.AddDate(0, 0, -1).Format(dateFormat))
}
if filters.CotacolMinPoints != nil {
query.Set(rideFilterCotacolMinParam, formatRideFilterInt(*filters.CotacolMinPoints))
}
if filters.CotacolMaxPoints != nil {
query.Set(rideFilterCotacolMaxParam, formatRideFilterInt(*filters.CotacolMaxPoints))
}
if filters.Route != rideRouteFilterAny {
query.Set(rideFilterRouteParam, filters.Route)
}
return query
}
func rideFiltersResetURL(sort RideSort) string {
if sort.Column == rideSortStarted && sort.Descending {
return "/"
}
query := url.Values{}
query.Set("sort", sort.Column)
query.Set("dir", rideSortDirection(sort))
return "/?" + query.Encode()
}
func (filters RideFilters) Active() bool {
return filters.DistanceMinKm != nil ||
filters.DistanceMaxKm != nil ||
filters.DurationMinMinutes != nil ||
filters.DurationMaxMinutes != nil ||
filters.DateFrom != nil ||
filters.DateToExclusive != nil ||
filters.CotacolMinPoints != nil ||
filters.CotacolMaxPoints != nil ||
filters.Route != rideRouteFilterAny
}
func filterRides(items []rides.Ride, filters RideFilters) []rides.Ride {
if !filters.Active() {
return items
}
filtered := make([]rides.Ride, 0, len(items))
for _, item := range items {
if rideMatchesFilters(item, filters) {
filtered = append(filtered, item)
}
}
return filtered
}
func rideMatchesFilters(item rides.Ride, filters RideFilters) bool {
if filters.DistanceMinKm != nil && item.DistanceM < float64(*filters.DistanceMinKm)*1000 {
return false
}
if filters.DistanceMaxKm != nil && item.DistanceM > float64(*filters.DistanceMaxKm)*1000 {
return false
}
if filters.DurationMinMinutes != nil && item.MovingTimeS < int64(*filters.DurationMinMinutes)*60 {
return false
}
if filters.DurationMaxMinutes != nil && item.MovingTimeS > int64(*filters.DurationMaxMinutes)*60 {
return false
}
startDate := item.StartDate.UTC()
if filters.DateFrom != nil && startDate.Before(*filters.DateFrom) {
return false
}
if filters.DateToExclusive != nil && !startDate.Before(*filters.DateToExclusive) {
return false
}
if filters.CotacolMinPoints != nil || filters.CotacolMaxPoints != nil {
cotacol, ready := item.CotacolScore()
if !ready || item.CotacolAlgorithmVersion() != ride.CotacolAlgorithmVersion || item.DistanceM <= 0 {
return false
}
if filters.CotacolMinPoints != nil && cotacol < float64(*filters.CotacolMinPoints) {
return false
}
if filters.CotacolMaxPoints != nil && cotacol > float64(*filters.CotacolMaxPoints) {
return false
}
}
switch filters.Route {
case rideRouteFilterAvailable:
return item.GPXPath != ""
case rideRouteFilterMissing:
return item.GPXPath == ""
default:
return true
}
}
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