refactor(desktop): organize lib modules by domain

apps/desktop/src/lib/sql/sqlMetadataRefresh.ts

@@ -0,0 +1,68 @@
+export type SqlMetadataRefreshScope = "none" | "connection" | "database";
+export type SqlMetadataRefreshTarget = { scope: "none" } | { scope: "connection" } | { scope: "database"; schema?: string };
+
+const DATABASE_DDL_RE = /\b(CREATE|DROP)\s+DATABASE\b/i;
+const SCHEMA_DDL_RE = /\b(CREATE|DROP)\s+SCHEMA\b/i;
+const OBJECT_DDL_RE = /\b(CREATE|ALTER|DROP|RENAME)\s+(OR\s+REPLACE\s+)?(((GLOBAL|LOCAL)\s+)?TEMP(ORARY)?\s+)?(MATERIALIZED\s+)?(TABLE|VIEW|INDEX|SEQUENCE|PROCEDURE|FUNCTION|TRIGGER|TYPE)\b/i;
+const OBJECT_NAME_DDL_RE =
+  /\b(?:CREATE|ALTER|DROP|RENAME)\s+(?:OR\s+REPLACE\s+)?(?:(?:(?:GLOBAL|LOCAL)\s+)?TEMP(?:ORARY)?\s+)?(?:MATERIALIZED\s+)?(?:TABLE|VIEW|SEQUENCE|PROCEDURE|FUNCTION|TRIGGER|TYPE)\s+(?:IF\s+(?:NOT\s+)?EXISTS\s+)?((?:"[^"]+"|`[^`]+`|\[[^\]]+\]|[A-Za-z_][\w$]*)\s*\.\s*(?:"[^"]+"|`[^`]+`|\[[^\]]+\]|[A-Za-z_][\w$]*))/i;
+const INDEX_TABLE_DDL_RE = /\bCREATE\s+(?:UNIQUE\s+)?INDEX\s+(?:IF\s+NOT\s+EXISTS\s+)?(?:"[^"]+"|`[^`]+`|\[[^\]]+\]|[A-Za-z_][\w$]*)\s+ON\s+((?:"[^"]+"|`[^`]+`|\[[^\]]+\]|[A-Za-z_][\w$]*)\s*\.\s*(?:"[^"]+"|`[^`]+`|\[[^\]]+\]|[A-Za-z_][\w$]*))/i;
+
+function stripSqlMetadataComments(sql: string): string {
+  return sql
+    .replace(/\/\*[\s\S]*?\*\//g, " ")
+    .replace(/--.*$/gm, " ")
+    .replace(/#.*$/gm, " ");
+}
+
+export function sqlMetadataRefreshScope(sql: string): SqlMetadataRefreshScope {
+  return sqlMetadataRefreshTarget(sql).scope;
+}
+
+function splitSqlMetadataStatements(sql: string): string[] {
+  return stripSqlMetadataComments(sql)
+    .split(";")
+    .map((stmt) => stmt.trim())
+    .filter(Boolean);
+}
+
+function unquoteIdentifier(identifier: string): string {
+  const trimmed = identifier.trim();
+  if ((trimmed.startsWith('"') && trimmed.endsWith('"')) || (trimmed.startsWith("`") && trimmed.endsWith("`")) || (trimmed.startsWith("[") && trimmed.endsWith("]"))) {
+    return trimmed.slice(1, -1);
+  }
+  return trimmed;
+}
+
+function schemaFromQualifiedName(qualifiedName: string): string | undefined {
+  const schema = qualifiedName.split(".")[0]?.trim();
+  return schema ? unquoteIdentifier(schema) : undefined;
+}
+
+function schemaFromObjectDdl(statement: string): string | undefined {
+  const match = statement.match(INDEX_TABLE_DDL_RE) || statement.match(OBJECT_NAME_DDL_RE);
+  return match?.[1] ? schemaFromQualifiedName(match[1]) : undefined;
+}
+
+export function sqlMetadataRefreshTarget(sql: string, activeSchema?: string): SqlMetadataRefreshTarget {
+  const statements = splitSqlMetadataStatements(sql);
+  if (statements.some((stmt) => DATABASE_DDL_RE.test(stmt))) return { scope: "connection" };
+
+  const schemaTargets = new Set<string>();
+  let hasDatabaseRefresh = false;
+
+  for (const statement of statements) {
+    if (SCHEMA_DDL_RE.test(statement)) {
+      hasDatabaseRefresh = true;
+      continue;
+    }
+    if (!OBJECT_DDL_RE.test(statement)) continue;
+    hasDatabaseRefresh = true;
+    const schema = schemaFromObjectDdl(statement) || activeSchema;
+    if (schema) schemaTargets.add(schema);
+  }
+
+  if (!hasDatabaseRefresh) return { scope: "none" };
+  if (schemaTargets.size === 1) return { scope: "database", schema: [...schemaTargets][0] };
+  return { scope: "database" };
+}