Added auth functionality, initial work with views and field types

backend/src/models/account.model.ts

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+import { BaseModel } from './base.model';
+
+export class Account extends BaseModel {
+  static tableName = 'accounts';
+
+  id!: string;
+  name!: string;
+  website?: string;
+  phone?: string;
+  industry?: string;
+  ownerId?: string;
+
+  static relationMappings = {
+    owner: {
+      relation: BaseModel.BelongsToOneRelation,
+      modelClass: 'user.model',
+      join: {
+        from: 'accounts.ownerId',
+        to: 'users.id',
+      },
+    },
+  };
+}

backend/src/models/app-page.model.ts

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+import { BaseModel } from './base.model';
+import { App } from './app.model';
+
+export class AppPage extends BaseModel {
+  static tableName = 'app_pages';
+
+  id!: string;
+  appId!: string;
+  slug!: string;
+  label!: string;
+  type!: string;
+  objectApiName?: string;
+  displayOrder!: number;
+
+  static relationMappings = {
+    app: {
+      relation: BaseModel.BelongsToOneRelation,
+      modelClass: App,
+      join: {
+        from: 'app_pages.appId',
+        to: 'apps.id',
+      },
+    },
+  };
+}

backend/src/models/app.model.ts

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+import { BaseModel } from './base.model';
+import { AppPage } from './app-page.model';
+
+export class App extends BaseModel {
+  static tableName = 'apps';
+
+  id!: string;
+  slug!: string;
+  label!: string;
+  description?: string;
+  displayOrder!: number;
+
+  static relationMappings = {
+    pages: {
+      relation: BaseModel.HasManyRelation,
+      modelClass: AppPage,
+      join: {
+        from: 'apps.id',
+        to: 'app_pages.appId',
+      },
+    },
+  };
+}

backend/src/models/base.model.ts

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+import { Model, ModelOptions, QueryContext, snakeCaseMappers } from 'objection';
+
+export class BaseModel extends Model {
+  static columnNameMappers = snakeCaseMappers();
+
+  id: string;
+  createdAt: Date;
+  updatedAt: Date;
+
+  $beforeInsert(queryContext: QueryContext) {
+    this.createdAt = new Date();
+    this.updatedAt = new Date();
+  }
+
+  $beforeUpdate(opt: ModelOptions, queryContext: QueryContext) {
+    this.updatedAt = new Date();
+  }
+}

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

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+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',
+      },
+    },
+  };
+}

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

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+import { BaseModel } from './base.model';
+
+export class ObjectDefinition extends BaseModel {
+  static tableName = 'object_definitions';
+
+  id: string;
+  apiName: string;
+  label: string;
+  pluralLabel?: string;
+  description?: string;
+  isSystem: boolean;
+  isCustom: boolean;
+  createdAt: Date;
+  updatedAt: Date;
+
+  static get jsonSchema() {
+    return {
+      type: 'object',
+      required: ['apiName', 'label'],
+      properties: {
+        id: { type: 'string' },
+        apiName: { type: 'string' },
+        label: { type: 'string' },
+        pluralLabel: { type: 'string' },
+        description: { type: 'string' },
+        isSystem: { type: 'boolean' },
+        isCustom: { type: 'boolean' },
+      },
+    };
+  }
+
+  static get relationMappings() {
+    const { FieldDefinition } = require('./field-definition.model');
+
+    return {
+      fields: {
+        relation: BaseModel.HasManyRelation,
+        modelClass: FieldDefinition,
+        join: {
+          from: 'object_definitions.id',
+          to: 'field_definitions.objectDefinitionId',
+        },
+      },
+    };
+  }
+}

backend/src/models/permission.model.ts

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+import { BaseModel } from './base.model';
+
+export class Permission extends BaseModel {
+  static tableName = 'permissions';
+
+  id!: string;
+  name!: string;
+  guardName!: string;
+  description?: string;
+
+  static relationMappings = {
+    roles: {
+      relation: BaseModel.ManyToManyRelation,
+      modelClass: 'role.model',
+      join: {
+        from: 'permissions.id',
+        through: {
+          from: 'role_permissions.permissionId',
+          to: 'role_permissions.roleId',
+        },
+        to: 'roles.id',
+      },
+    },
+  };
+}

backend/src/models/role-permission.model.ts

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+import { BaseModel } from './base.model';
+
+export class RolePermission extends BaseModel {
+  static tableName = 'role_permissions';
+
+  id!: string;
+  roleId!: string;
+  permissionId!: string;
+
+  static relationMappings = {
+    role: {
+      relation: BaseModel.BelongsToOneRelation,
+      modelClass: 'role.model',
+      join: {
+        from: 'role_permissions.roleId',
+        to: 'roles.id',
+      },
+    },
+    permission: {
+      relation: BaseModel.BelongsToOneRelation,
+      modelClass: 'permission.model',
+      join: {
+        from: 'role_permissions.permissionId',
+        to: 'permissions.id',
+      },
+    },
+  };
+}

backend/src/models/role.model.ts

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+import { BaseModel } from './base.model';
+
+export class Role extends BaseModel {
+  static tableName = 'roles';
+
+  id: string;
+  name: string;
+  guardName: string;
+  description?: string;
+  createdAt: Date;
+  updatedAt: Date;
+
+  static get jsonSchema() {
+    return {
+      type: 'object',
+      required: ['name'],
+      properties: {
+        id: { type: 'string' },
+        name: { type: 'string' },
+        guardName: { type: 'string' },
+        description: { type: 'string' },
+      },
+    };
+  }
+
+  static get relationMappings() {
+    const { RolePermission } = require('./role-permission.model');
+    const { Permission } = require('./permission.model');
+    const { User } = require('./user.model');
+
+    return {
+      rolePermissions: {
+        relation: BaseModel.HasManyRelation,
+        modelClass: RolePermission,
+        join: {
+          from: 'roles.id',
+          to: 'role_permissions.roleId',
+        },
+      },
+      permissions: {
+        relation: BaseModel.ManyToManyRelation,
+        modelClass: Permission,
+        join: {
+          from: 'roles.id',
+          through: {
+            from: 'role_permissions.roleId',
+            to: 'role_permissions.permissionId',
+          },
+          to: 'permissions.id',
+        },
+      },
+      users: {
+        relation: BaseModel.ManyToManyRelation,
+        modelClass: User,
+        join: {
+          from: 'roles.id',
+          through: {
+            from: 'user_roles.roleId',
+            to: 'user_roles.userId',
+          },
+          to: 'users.id',
+        },
+      },
+    };
+  }
+}

backend/src/models/user-role.model.ts

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+import { BaseModel } from './base.model';
+
+export class UserRole extends BaseModel {
+  static tableName = 'user_roles';
+
+  id!: string;
+  userId!: string;
+  roleId!: string;
+
+  static relationMappings = {
+    user: {
+      relation: BaseModel.BelongsToOneRelation,
+      modelClass: 'user.model',
+      join: {
+        from: 'user_roles.userId',
+        to: 'users.id',
+      },
+    },
+    role: {
+      relation: BaseModel.BelongsToOneRelation,
+      modelClass: 'role.model',
+      join: {
+        from: 'user_roles.roleId',
+        to: 'roles.id',
+      },
+    },
+  };
+}

backend/src/models/user.model.ts

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+import { BaseModel } from './base.model';
+
+export class User extends BaseModel {
+  static tableName = 'users';
+
+  id: string;
+  email: string;
+  password: string;
+  firstName?: string;
+  lastName?: string;
+  isActive: boolean;
+  createdAt: Date;
+  updatedAt: Date;
+
+  static get jsonSchema() {
+    return {
+      type: 'object',
+      required: ['email', 'password'],
+      properties: {
+        id: { type: 'string' },
+        email: { type: 'string', format: 'email' },
+        password: { type: 'string' },
+        firstName: { type: 'string' },
+        lastName: { type: 'string' },
+        isActive: { type: 'boolean' },
+      },
+    };
+  }
+
+  static get relationMappings() {
+    const { UserRole } = require('./user-role.model');
+    const { Role } = require('./role.model');
+
+    return {
+      userRoles: {
+        relation: BaseModel.HasManyRelation,
+        modelClass: UserRole,
+        join: {
+          from: 'users.id',
+          to: 'user_roles.userId',
+        },
+      },
+      roles: {
+        relation: BaseModel.ManyToManyRelation,
+        modelClass: Role,
+        join: {
+          from: 'users.id',
+          through: {
+            from: 'user_roles.userId',
+            to: 'user_roles.roleId',
+          },
+          to: 'roles.id',
+        },
+      },
+    };
+  }
+}