Added auth functionality, initial work with views and field types

backend/src/models/field-definition.model.ts

@@ -0,0 +1,78 @@
+import { BaseModel } from './base.model';
+
+export interface FieldOption {
+  label: string;
+  value: string | number | boolean;
+}
+
+export interface ValidationRule {
+  type: 'required' | 'min' | 'max' | 'email' | 'url' | 'pattern' | 'custom';
+  value?: any;
+  message?: string;
+}
+
+export interface UIMetadata {
+  // Display properties
+  placeholder?: string;
+  helpText?: string;
+  
+  // View visibility
+  showOnList?: boolean;
+  showOnDetail?: boolean;
+  showOnEdit?: boolean;
+  sortable?: boolean;
+  
+  // Field type specific options
+  options?: FieldOption[]; // For select, multi-select
+  rows?: number; // For textarea
+  min?: number; // For number, date
+  max?: number; // For number, date
+  step?: number; // For number
+  accept?: string; // For file/image
+  relationDisplayField?: string; // Which field to display for relations
+  
+  // Formatting
+  format?: string; // Date format, number format, etc.
+  prefix?: string; // Currency symbol, etc.
+  suffix?: string;
+  
+  // Validation
+  validationRules?: ValidationRule[];
+  
+  // Advanced
+  dependsOn?: string[]; // Field dependencies
+  computedValue?: string; // Formula for computed fields
+}
+
+export class FieldDefinition extends BaseModel {
+  static tableName = 'field_definitions';
+
+  id!: string;
+  objectDefinitionId!: string;
+  apiName!: string;
+  label!: string;
+  type!: string;
+  length?: number;
+  precision?: number;
+  scale?: number;
+  referenceObject?: string;
+  defaultValue?: string;
+  description?: string;
+  isRequired!: boolean;
+  isUnique!: boolean;
+  isSystem!: boolean;
+  isCustom!: boolean;
+  displayOrder!: number;
+  uiMetadata?: UIMetadata;
+
+  static relationMappings = {
+    objectDefinition: {
+      relation: BaseModel.BelongsToOneRelation,
+      modelClass: 'object-definition.model',
+      join: {
+        from: 'field_definitions.objectDefinitionId',
+        to: 'object_definitions.id',
+      },
+    },
+  };
+}