wip

mangezmieux-backend/internal/postgres/database_postgresql.go

@@ -0,0 +1,35 @@
+package postgres
+
+import (
+	"database/sql"
+	"github.com/lib/pq"
+	"mangezmieux-backend/internal/logger"
+)
+
+const (
+	pgCodeUniqueViolation     = "23505"
+	pgCodeForeingKeyViolation = "23503"
+)
+
+func HandlePgError(e *pq.Error) error {
+	if e.Code == pgCodeUniqueViolation {
+		return NewDAOError(ErrTypeDuplicate, e)
+	}
+
+	if e.Code == pgCodeForeingKeyViolation {
+		return NewDAOError(ErrTypeForeignKeyViolation, e)
+	}
+	return e
+}
+
+func NewDatabasePostgreSQL(connectionURI string) *sql.DB {
+	db, err := sql.Open("postgres", connectionURI)
+	if err != nil {
+		logger.GetLogger().WithError(err).Fatal("Unable to get a connection to the postgres db")
+	}
+	err = db.Ping()
+	if err != nil {
+		logger.GetLogger().WithError(err).Fatal("Unable to ping the postgres db")
+	}
+	return db
+}