Files
weatherreporter/internal/briefing/derived_daily_summary_module.go

89 lines
3.3 KiB
Go

package briefing
import (
"fmt"
"gitea.maximumdirect.net/eric/weatherreporter/internal/forecast"
"gitea.maximumdirect.net/eric/weatherreporter/internal/module"
"gitea.maximumdirect.net/eric/weatherreporter/internal/timeutil"
)
type DerivedDailySummaryModule struct {
Date string `json:"date,omitempty"`
HighTempF *int `json:"high_temp_f,omitempty"`
LowTempF *int `json:"low_temp_f,omitempty"`
MaxPopPercent *int `json:"max_pop_percent,omitempty"`
MaxPopWindow string `json:"max_pop_window,omitempty"`
FirstPrecipHour string `json:"first_precip_hour,omitempty"`
LastPrecipHour string `json:"last_precip_hour,omitempty"`
ThunderMentioned bool `json:"thunder_mentioned"`
MaxWindGustMph *int `json:"max_wind_gust_mph,omitempty"`
HeatIndexMaxF *int `json:"heat_index_max_f,omitempty"`
DominantConditions []string `json:"dominant_conditions,omitempty"`
Hazards []string `json:"hazards,omitempty"`
}
func buildDerivedDailySummaryModule(ctx ModuleContext, _ any) (*module.Output, error) {
summary := ctx.Derived.FirstDailySummary()
if summary == nil {
return nil, fmt.Errorf("daily summary facts are required")
}
value, err := derivedDailySummaryValue(*summary, ctx.Derived.PrecipTiming, ctx.Timezone)
if err != nil {
return nil, err
}
return &module.Output{ID: module.DerivedDailySummary, StanzaName: "derived_daily_summary", Value: value}, nil
}
func derivedDailySummaryValue(summary forecast.DailySummary, timing forecast.PrecipTiming, timezone string) (DerivedDailySummaryModule, error) {
value := DerivedDailySummaryModule{
Date: summary.Date,
ThunderMentioned: timing.ThunderMentioned,
}
conditions := map[string]struct{}{}
hazards := map[string]struct{}{}
var temperature forecast.Range
var apparent forecast.Range
var maxPop *forecast.TimedValue
var maxGust *forecast.TimedValue
var maxPopWindow timeutil.Period
for _, daypart := range summary.Dayparts {
addRange(&temperature, daypart.Temperature)
addRange(&apparent, daypart.ApparentTemperature)
if daypart.MaxPrecipitationProbability != nil {
if maxPop == nil || daypart.MaxPrecipitationProbability.Value > maxPop.Value {
copied := *daypart.MaxPrecipitationProbability
maxPop = &copied
maxPopWindow = daypart.Period
}
}
maxTimedValue(&maxGust, daypart.PeakWindGust)
if daypart.DominantCondition != "" {
conditions[daypart.DominantCondition] = struct{}{}
}
for _, hazard := range hazardsForIndicators(daypart.Indicators) {
hazards[hazard] = struct{}{}
}
}
for _, alert := range summary.AlertOverlaps {
if alert.Event != "" {
hazards[alert.Event] = struct{}{}
}
}
value.HighTempF = roundedInt(temperature.Max)
value.LowTempF = roundedInt(temperature.Min)
value.HeatIndexMaxF = roundedInt(apparent.Max)
if maxPop != nil {
value.MaxPopPercent = roundedInt(&maxPop.Value)
value.MaxPopWindow = periodClockLabel(maxPopWindow, timezone)
}
if maxGust != nil {
value.MaxWindGustMph = roundedInt(&maxGust.Value)
}
value.FirstPrecipHour = timedClockLabel(timing.FirstPrecipitation, timezone)
value.LastPrecipHour = timedClockLabel(timing.LastPrecipitation, timezone)
value.DominantConditions = sortedSet(conditions)
value.Hazards = sortedSet(hazards)
return value, nil
}