feat(objects): edit database object source

src/lib/objectSourceEditor.ts

@@ -0,0 +1,42 @@
+import type { DatabaseType, ObjectSourceKind } from "@/types/database";
+
+type BuildEditableObjectSourceSqlInput = {
+  databaseType: DatabaseType;
+  objectType: ObjectSourceKind;
+  schema?: string | null;
+  name: string;
+  source: string;
+};
+
+function quotePostgresIdentifier(value: string) {
+  return `"${value.replaceAll('"', '""')}"`;
+}
+
+function ensureSemicolon(sql: string) {
+  const trimmed = sql.trim();
+  return trimmed.endsWith(";") ? trimmed : `${trimmed};`;
+}
+
+function postgresQualifiedName(schema: string | null | undefined, name: string) {
+  return [schema, name]
+    .filter(Boolean)
+    .map((part) => quotePostgresIdentifier(part as string))
+    .join(".");
+}
+
+export function objectSourceEditTabTitle(schema: string | null | undefined, name: string) {
+  return `Edit source - ${[schema, name].filter(Boolean).join(".")}`;
+}
+
+export function buildEditableObjectSourceSql(input: BuildEditableObjectSourceSqlInput) {
+  const source = input.source.trim();
+  if (input.databaseType === "sqlserver") {
+    return source.replace(/^CREATE\s+(?!OR\s+ALTER\b)/i, "CREATE OR ALTER ");
+  }
+
+  if ((input.databaseType === "postgres" || input.databaseType === "gaussdb") && input.objectType === "VIEW") {
+    return `CREATE OR REPLACE VIEW ${postgresQualifiedName(input.schema, input.name)} AS\n${ensureSemicolon(source)}`;
+  }
+
+  return ensureSemicolon(source);
+}