Initial commit. Working login, example UI with prototype and demo, connections to DB and DAV, local and prod setups.

backend/internal/dav/service_dev.go

@@ -0,0 +1,54 @@
+//go:build dev
+// +build dev
+
+package dav
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"os"
+
+	"github.com/jackc/pgx/v5/pgxpool"
+)
+
+var Service *BaseService
+
+func init() {
+	if err := connect(); err != nil {
+		log.Fatalf("failed to initialize dev service: %v", err)
+	}
+}
+
+func connect() error {
+	dsn := fmt.Sprintf(
+		"postgres://%s:%s@localhost:5432/%s?sslmode=disable",
+		getEnv("POSTGRES_USER"),
+		getEnv("POSTGRES_PASSWORD"),
+		getEnv("POSTGRES_DB"),
+	)
+	pool, err := pgxpool.New(context.Background(), dsn)
+	if err != nil {
+		return err
+	}
+
+	Service = newBaseService(pool)
+	return testDB(pool)
+}
+
+func testDB(pool *pgxpool.Pool) error {
+	var n int
+	err := pool.QueryRow(context.Background(), "SELECT 1").Scan(&n)
+	if err != nil || n != 1 {
+		return fmt.Errorf("db test failed: %w", err)
+	}
+	return nil
+}
+
+func getEnv(key string) string {
+	if v := os.Getenv(key); v != "" {
+		return v
+	}
+	log.Fatalf("FATAL: environment variable %s not set", key)
+	return ""
+}