feat: Add MixDB shared types for SDK and app consumers

Author: Smilefounder

packages/database/src/types.ts

@@ -0,0 +1,112 @@
+// MixDB shared types for SDK and app consumers
+
+export interface MixQuery {
+  toQueryParams(): Record<string, any>;
+}
+
+export interface TableInfo {
+  id: string;
+  name: string;
+  displayName: string;
+  description?: string;
+  recordCount: number;
+  createdDate: string;
+  lastModified: string;
+  schema: TableSchema;
+  isSystemTable: boolean;
+}
+
+export interface TableSchema {
+  columns: ColumnDefinition[];
+  primaryKey: string;
+  indexes: IndexDefinition[];
+  relationships: RelationshipDefinition[];
+}
+
+export interface ColumnDefinition {
+  name: string;
+  type: string;
+  isRequired: boolean;
+  isUnique: boolean;
+  defaultValue?: any;
+  maxLength?: number;
+  description?: string;
+}
+
+export interface IndexDefinition {
+  name: string;
+  columns: string[];
+  isUnique: boolean;
+  type: 'btree' | 'hash' | 'gin' | 'gist';
+}
+
+export interface RelationshipDefinition {
+  name: string;
+  type: 'one-to-one' | 'one-to-many' | 'many-to-many' | 'many-to-one';
+  targetTable: string;
+  targetColumn: string;
+  sourceColumn: string;
+  onDelete: 'cascade' | 'restrict' | 'set-null';
+  onUpdate: 'cascade' | 'restrict' | 'set-null';
+}
+
+export interface RecordData {
+  [key: string]: any;
+}
+
+export interface QueryResult<T = RecordData> {
+  data: T[];
+  count: number;
+  page: number;
+  pageSize: number;
+  totalPages: number;
+  hasNext: boolean;
+  hasPrevious: boolean;
+}
+
+export interface DatabaseStats {
+  totalTables: number;
+  totalRecords: number;
+  databaseSize: string;
+  lastBackup?: string;
+  isConnected: boolean;
+}
+
+export interface CreateTableRequest {
+  name: string;
+  displayName: string;
+  description?: string;
+  columns: Omit<ColumnDefinition, 'name'>[];
+  primaryKey?: string;
+}
+
+export interface UpdateTableRequest {
+  displayName?: string;
+  description?: string;
+  addColumns?: ColumnDefinition[];
+  dropColumns?: string[];
+  modifyColumns?: ColumnDefinition[];
+}
+
+export interface QueryOptions {
+  page?: number;
+  pageSize?: number;
+  orderBy?: string;
+  orderDirection?: 'asc' | 'desc';
+  filters?: FilterCondition[];
+  search?: string;
+  searchColumns?: string[];
+}
+
+export interface FilterCondition {
+  column: string;
+  operator: 'eq' | 'neq' | 'gt' | 'gte' | 'lt' | 'lte' | 'like' | 'in' | 'notin' | 'isnull' | 'isnotnull';
+  value: any;
+}
+
+export interface DatabaseOperationResult {
+  success: boolean;
+  data?: any;
+  error?: string;
+  message?: string;
+}