Refactor to separate each module and report into an individual file

internal/report/storm_report.go

@@ -0,0 +1,67 @@
+package report
+
+import (
+	"fmt"
+	"time"
+
+	"gitea.maximumdirect.net/eric/weatherreporter/internal/module"
+	"gitea.maximumdirect.net/eric/weatherreporter/internal/timeutil"
+)
+
+func stormDefinition() Definition {
+	return Definition{
+		ID:                 Storm,
+		Name:               "Storm Report",
+		PromptID:           "weather.storm_report",
+		ComparisonStrategy: CompareExplicitWindow,
+		ArtifactGroup:      "storm",
+		BatchOutputName:    "storm.md",
+		Generated:          true,
+		CompatiblePriorIDs: []ID{Storm},
+		Modules:            stormModules(),
+		resolve:            resolveStorm,
+	}
+}
+
+func stormModules() []module.ConfigItem {
+	return moduleItems(
+		module.Metadata,
+		module.CurrentConditions,
+		module.PrecipTiming,
+		module.AlertDigest,
+		module.AreaForecastDiscussion,
+		module.WeatherStory,
+	)
+}
+
+func ParseStormPeriod(start string, end string, location *time.Location) (timeutil.Period, error) {
+	if location == nil {
+		location = time.UTC
+	}
+	startTime, err := timeutil.ParseStormTime(start, location)
+	if err != nil {
+		return timeutil.Period{}, err
+	}
+	endTime, err := timeutil.ParseStormTime(end, location)
+	if err != nil {
+		return timeutil.Period{}, err
+	}
+	period := timeutil.Period{Start: startTime, End: endTime}
+	if !period.IsValid() {
+		return timeutil.Period{}, fmt.Errorf("storm report requires end time after start time")
+	}
+	return period, nil
+}
+
+func resolveStorm(req ResolveRequest) (timeutil.Period, error) {
+	if req.StormStart.IsZero() {
+		return timeutil.Period{}, fmt.Errorf("storm report requires a start time")
+	}
+	if req.StormEnd.IsZero() {
+		return timeutil.Period{}, fmt.Errorf("storm report requires an end time")
+	}
+	if !req.StormEnd.After(req.StormStart) {
+		return timeutil.Period{}, fmt.Errorf("storm report requires end time after start time")
+	}
+	return timeutil.Period{Start: req.StormStart, End: req.StormEnd}, nil
+}