dbx/src/composables/useSchemaOptions.ts

51 lines
1.6 KiB
TypeScript

import { ref } from "vue";
import { useConnectionStore } from "@/stores/connectionStore";
import * as api from "@/lib/api";
export function useSchemaOptions() {
const connectionStore = useConnectionStore();
const schemaOptions = ref<Record<string, string[]>>({});
const loadingSchemaOptions = ref<Record<string, boolean>>({});
function cacheKey(connectionId: string, database: string) {
return `${connectionId}:${database}`;
}
function isSchemaAware(connectionId: string): boolean {
const dbType = connectionStore.getConfig(connectionId)?.db_type;
return dbType === "postgres" || dbType === "sqlserver" || dbType === "oracle" || dbType === "dameng";
}
async function loadSchemaOptions(connectionId: string, database: string) {
if (!isSchemaAware(connectionId) || !database) return;
const key = cacheKey(connectionId, database);
if (loadingSchemaOptions.value[key]) return;
loadingSchemaOptions.value[key] = true;
try {
await connectionStore.ensureConnected(connectionId);
schemaOptions.value[key] = await api.listSchemas(connectionId, database);
} finally {
loadingSchemaOptions.value[key] = false;
}
}
function getSchemaOptionsForDb(connectionId: string, database: string): string[] {
return schemaOptions.value[cacheKey(connectionId, database)] ?? [];
}
function isLoadingSchemas(connectionId: string, database: string): boolean {
return !!loadingSchemaOptions.value[cacheKey(connectionId, database)];
}
return {
schemaOptions,
loadingSchemaOptions,
loadSchemaOptions,
getSchemaOptionsForDb,
isLoadingSchemas,
isSchemaAware,
};
}