fix(handlers): add handlers

scripts/db/rebuild_iam_db.sh

@@ -0,0 +1,89 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+ROOT_DIR="$(cd "${SCRIPT_DIR}/../.." && pwd)"
+
+load_database_url_from_env_file() {
+  local env_file="$1"
+  local line value
+  while IFS= read -r line || [[ -n "${line}" ]]; do
+    line="${line#"${line%%[![:space:]]*}"}"
+    [[ -z "${line}" || "${line}" == \#* ]] && continue
+    line="${line#export }"
+    if [[ "${line}" == DATABASE_URL=* ]]; then
+      value="${line#DATABASE_URL=}"
+      value="${value%$'\r'}"
+      value="${value%\"}"
+      value="${value#\"}"
+      value="${value%\'}"
+      value="${value#\'}"
+      printf '%s' "${value}"
+      return 0
+    fi
+  done < "${env_file}"
+  return 1
+}
+
+DATABASE_URL="${DATABASE_URL:-}"
+if [[ -z "${DATABASE_URL}" && -f "${ROOT_DIR}/.env" ]]; then
+  DATABASE_URL="$(load_database_url_from_env_file "${ROOT_DIR}/.env" || true)"
+fi
+if [[ -z "${DATABASE_URL}" ]]; then
+  echo "DATABASE_URL is required (export it, or set it in ${ROOT_DIR}/.env)"
+  exit 1
+fi
+
+if ! command -v psql >/dev/null 2>&1; then
+  echo "psql not found in PATH"
+  if [[ -r /etc/os-release ]]; then
+    . /etc/os-release
+    case "${ID:-}" in
+      ubuntu|debian)
+        echo "Install (Ubuntu/Debian): sudo apt-get update && sudo apt-get install -y postgresql-client"
+        ;;
+      centos|rhel|fedora)
+        echo "Install (RHEL/CentOS/Fedora): sudo dnf install -y postgresql"
+        ;;
+      alpine)
+        echo "Install (Alpine): sudo apk add postgresql-client"
+        ;;
+      *)
+        echo "Install PostgreSQL client tools (psql) for your OS and retry"
+        ;;
+    esac
+  else
+    echo "Install PostgreSQL client tools (psql) for your OS and retry"
+  fi
+  exit 127
+fi
+
+CHECK_ONLY="${CHECK_ONLY:-0}"
+if [[ "${CHECK_ONLY}" == "1" ]]; then
+  echo "DATABASE_URL=${DATABASE_URL}"
+  exit 0
+fi
+
+BACKUP="${BACKUP:-0}"
+BACKUP_DIR="${BACKUP_DIR:-${ROOT_DIR}/backups}"
+if [[ "${BACKUP_DIR}" != /* ]]; then
+  BACKUP_DIR="${ROOT_DIR}/${BACKUP_DIR}"
+fi
+
+if [[ "${BACKUP}" == "1" ]]; then
+  if ! command -v pg_dump >/dev/null 2>&1; then
+    echo "pg_dump not found; install postgres client or set BACKUP=0"
+    exit 1
+  fi
+  mkdir -p "${BACKUP_DIR}"
+  ts="$(date +%Y%m%d_%H%M%S)"
+  backup_file="${BACKUP_DIR}/iam_service_db_${ts}.dump"
+  pg_dump "${DATABASE_URL}" -Fc -f "${backup_file}"
+  echo "Backup written: ${backup_file}"
+fi
+
+psql "${DATABASE_URL}" -v ON_ERROR_STOP=1 -f "${ROOT_DIR}/sql/drop_iam_schema.sql"
+psql "${DATABASE_URL}" -v ON_ERROR_STOP=1 -f "${ROOT_DIR}/sql/schema_post_init.sql"
+psql "${DATABASE_URL}" -v ON_ERROR_STOP=1 -f "${ROOT_DIR}/sql/verify_iam_schema.sql"
+
+echo "Rebuild completed"