Initial MVP commit

2026-03-17 08:35:16 -05:00
parent 8c092c2247
commit 27817f9e43
29 changed files with 1890 additions and 1 deletions
--- a/internal/adapters/postgres/forecast_repo.go
+++ b/internal/adapters/postgres/forecast_repo.go
@@ -0,0 +1,119 @@
+package postgres
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"time"
+
+	"gitea.maximumdirect.net/ejr/weatherapi/internal/core/ports"
+	"github.com/jackc/pgx/v5/pgxpool"
+)
+
+type ForecastRepository struct {
+	pool *pgxpool.Pool
+}
+
+func NewForecastRepository(pool *pgxpool.Pool) *ForecastRepository {
+	return &ForecastRepository{pool: pool}
+}
+
+func (r *ForecastRepository) ListForecastPeriodsAt(ctx context.Context, ts time.Time, limit int) ([]ports.ForecastPeriodMetric, error) {
+	rows, err := r.pool.Query(ctx, queryForecastPeriodsAt, ts, limit)
+	if err != nil {
+		return nil, fmt.Errorf("query forecast periods at timestamp: %w", err)
+	}
+	defer rows.Close()
+
+	out := make([]ports.ForecastPeriodMetric, 0)
+	for rows.Next() {
+		var row ports.ForecastPeriodMetric
+		var name sql.NullString
+		var isDay sql.NullBool
+		var conditionText sql.NullString
+		var providerRawDescription sql.NullString
+		var textDescription sql.NullString
+		var detailedText sql.NullString
+		var iconURL sql.NullString
+		var temperature sql.NullFloat64
+		var temperatureMin sql.NullFloat64
+		var temperatureMax sql.NullFloat64
+		var dewpoint sql.NullFloat64
+		var humidity sql.NullFloat64
+		var windDirection sql.NullFloat64
+		var windSpeed sql.NullFloat64
+		var windGust sql.NullFloat64
+		var pressure sql.NullFloat64
+		var visibility sql.NullFloat64
+		var apparent sql.NullFloat64
+		var cloudCover sql.NullFloat64
+		var precipProbability sql.NullFloat64
+		var precipAmount sql.NullFloat64
+		var snowfallDepth sql.NullFloat64
+		var uvIndex sql.NullFloat64
+
+		if err := rows.Scan(
+			&row.PeriodIndex,
+			&row.StartTime,
+			&row.EndTime,
+			&name,
+			&isDay,
+			&row.ConditionCode,
+			&conditionText,
+			&providerRawDescription,
+			&textDescription,
+			&detailedText,
+			&iconURL,
+			&temperature,
+			&temperatureMin,
+			&temperatureMax,
+			&dewpoint,
+			&humidity,
+			&windDirection,
+			&windSpeed,
+			&windGust,
+			&pressure,
+			&visibility,
+			&apparent,
+			&cloudCover,
+			&precipProbability,
+			&precipAmount,
+			&snowfallDepth,
+			&uvIndex,
+		); err != nil {
+			return nil, fmt.Errorf("scan forecast period row: %w", err)
+		}
+
+		row.Name = ptrString(name)
+		row.IsDay = ptrBool(isDay)
+		row.ConditionText = ptrString(conditionText)
+		row.ProviderRawDescription = ptrString(providerRawDescription)
+		row.TextDescription = ptrString(textDescription)
+		row.DetailedText = ptrString(detailedText)
+		row.IconURL = ptrString(iconURL)
+		row.TemperatureC = ptrFloat64(temperature)
+		row.TemperatureCMin = ptrFloat64(temperatureMin)
+		row.TemperatureCMax = ptrFloat64(temperatureMax)
+		row.DewpointC = ptrFloat64(dewpoint)
+		row.RelativeHumidityPercent = ptrFloat64(humidity)
+		row.WindDirectionDegrees = ptrFloat64(windDirection)
+		row.WindSpeedKmh = ptrFloat64(windSpeed)
+		row.WindGustKmh = ptrFloat64(windGust)
+		row.BarometricPressurePa = ptrFloat64(pressure)
+		row.VisibilityMeters = ptrFloat64(visibility)
+		row.ApparentTemperatureC = ptrFloat64(apparent)
+		row.CloudCoverPercent = ptrFloat64(cloudCover)
+		row.ProbabilityOfPrecipitationPercent = ptrFloat64(precipProbability)
+		row.PrecipitationAmountMm = ptrFloat64(precipAmount)
+		row.SnowfallDepthMm = ptrFloat64(snowfallDepth)
+		row.UVIndex = ptrFloat64(uvIndex)
+
+		out = append(out, row)
+	}
+
+	if err := rows.Err(); err != nil {
+		return nil, fmt.Errorf("iterate forecast period rows: %w", err)
+	}
+
+	return out, nil
+}