@decaf-ts/db-decorators
Version:
Agnostic database decorators and repository
221 lines (219 loc) • 24.2 kB
JavaScript
import { date, propMetadata, required, sf, type, Validation, } from "@decaf-ts/decorator-validation";
import { DBKeys, DEFAULT_TIMESTAMP_FORMAT } from "../model/constants";
import { DEFAULT_ERROR_MESSAGES } from "./constants";
import { DBOperations, OperationKeys } from "../operations/constants";
import { after, on, onCreateUpdate } from "../operations/decorators";
import { SerializationError } from "../repository/errors";
import { apply, metadata } from "@decaf-ts/reflection";
import { Repository } from "../repository";
/**
* Marks the property as readonly.
*
* @param {string} [message] the error message. Defaults to {@link DEFAULT_ERROR_MESSAGES.READONLY.INVALID}
*
* @decorator readonly
*
* @category Decorators
*/
export function readonly(message = DEFAULT_ERROR_MESSAGES.READONLY.INVALID) {
return propMetadata(Validation.updateKey(DBKeys.READONLY), {
message: message,
});
}
export async function timestampHandler(context, data, key, model) {
model[key] = context.timestamp;
}
/**
* Marks the property as timestamp.
* Makes it {@link required}
* Makes it a {@link date}
*
* Date Format:
*
* <pre>
* Using similar formatting as Moment.js, Class DateTimeFormatter (Java), and Class SimpleDateFormat (Java),
* I implemented a comprehensive solution formatDate(date, patternStr) where the code is easy to read and modify.
* You can display date, time, AM/PM, etc.
*
* Date and Time Patterns
* yy = 2-digit year; yyyy = full year
* M = digit month; MM = 2-digit month; MMM = short month name; MMMM = full month name
* EEEE = full weekday name; EEE = short weekday name
* d = digit day; dd = 2-digit day
* h = hours am/pm; hh = 2-digit hours am/pm; H = hours; HH = 2-digit hours
* m = minutes; mm = 2-digit minutes; aaa = AM/PM
* s = seconds; ss = 2-digit seconds
* S = miliseconds
* </pre>
*
* @param {string[]} operation The {@link DBOperations} to act on. Defaults to {@link DBOperations.CREATE_UPDATE}
* @param {string} [format] The TimeStamp format. defaults to {@link DEFAULT_TIMESTAMP_FORMAT}
* @param {{new: UpdateValidator}} [validator] defaults to {@link TimestampValidator}
*
* @decorator timestamp
*
* @category Decorators
*/
export function timestamp(operation = DBOperations.CREATE_UPDATE, format = DEFAULT_TIMESTAMP_FORMAT) {
const decorators = [
date(format, DEFAULT_ERROR_MESSAGES.TIMESTAMP.DATE),
required(DEFAULT_ERROR_MESSAGES.TIMESTAMP.REQUIRED),
on(operation, timestampHandler),
];
if (operation.indexOf(OperationKeys.UPDATE) !== -1)
decorators.push(propMetadata(Validation.updateKey(DBKeys.TIMESTAMP), {
message: DEFAULT_ERROR_MESSAGES.TIMESTAMP.INVALID,
}));
return apply(...decorators);
}
export async function serializeOnCreateUpdate(data, key, model, oldModel) {
if (!model[key])
return;
try {
model[key] = JSON.stringify(model[key]);
}
catch (e) {
throw new SerializationError(sf("Failed to serialize {0} property on {1} model: {2}", key, model.constructor.name, e.message));
}
}
export async function serializeAfterAll(data, key, model) {
if (!model[key])
return;
if (typeof model[key] !== "string")
return;
try {
model[key] = JSON.parse(model[key]);
}
catch (e) {
throw new SerializationError(sf("Failed to deserialize {0} property on {1} model: {2}", key, model.constructor.name, e.message));
}
}
/**
* @summary Serialize Decorator
* @description properties decorated will the serialized before stored in the db
*
* @function serialize
*
* @memberOf module:wallet-db.Decorators
*/
export function serialize() {
return apply(onCreateUpdate(serializeOnCreateUpdate), after(DBOperations.ALL, serializeAfterAll), type([String.name, Object.name]), metadata(Repository.key(DBKeys.SERIALIZE), {}));
}
//
// /**
// * @summary One To One relation Decorators
// *
// * @param {Constructor<any>} clazz the {@link Sequence} to use. Defaults to {@link NoneSequence}
// * @param {CascadeMetadata} [cascadeOptions]
// * @param {boolean} _populate If true, replaces the specified key in the document with the corresponding record from the database
// *
// * @function onToOne
// *
// * @memberOf module:wallet-db.Decorators
// *
// * @see oneToMany
// * @see manyToOne
// */
// export function oneToOne(
// clazz: Constructor<any>,
// cascadeOptions: CascadeMetadata = DefaultCascade,
// _populate: boolean = true,
// ) {
// Model.register(clazz);
// return (target: any, propertyKey: string) => {
// type([clazz.name, String.name])(target, propertyKey);
// onCreate(oneToOneOnCreate)(target, propertyKey);
// onUpdate(oneToOneOnUpdate, cascadeOptions as any)(target, propertyKey);
// onDelete(oneToOneOnDelete, cascadeOptions)(target, propertyKey);
//
// afterCreate(populate, _populate)(target, propertyKey);
// afterUpdate(populate, _populate)(target, propertyKey);
// afterRead(populate, _populate)(target, propertyKey);
// afterDelete(populate, _populate)(target, propertyKey);
//
// Reflect.defineMetadata(
// getDBKey(WalletDbKeys.ONE_TO_ONE),
// {
// constructor: clazz.name,
// cascade: cascadeOptions,
// populate: _populate,
// },
// target,
// propertyKey,
// );
// };
// }
//
// /**
// * @summary One To Many relation Decorators
// *
// * @param {Constructor<any>} clazz the {@link Sequence} to use. Defaults to {@link NoneSequence}
// * @param {CascadeMetadata} [cascadeOptions]
// *
// * @function onToMany
// *
// * @memberOf module:wallet-db.Decorators
// *
// * @see oneToOne
// * @see manyToOne
// */
// export function oneToMany(
// clazz: Constructor<any>,
// cascadeOptions: CascadeMetadata = DefaultCascade,
// _populate: boolean = true,
// ) {
// Model.register(clazz);
// return (target: any, propertyKey: string) => {
// list([clazz, String])(target, propertyKey);
// onCreate(oneToManyOnCreate)(target, propertyKey);
// onUpdate(oneToManyOnUpdate, cascadeOptions)(target, propertyKey);
// onDelete(oneToManyOnDelete, cascadeOptions)(target, propertyKey);
//
// afterCreate(populate, _populate)(target, propertyKey);
// afterUpdate(populate, _populate)(target, propertyKey);
// afterRead(populate, _populate)(target, propertyKey);
// afterDelete(populate, _populate)(target, propertyKey);
//
// Reflect.defineMetadata(
// getDBKey(WalletDbKeys.ONE_TO_MANY),
// {
// constructor: clazz.name,
// cascade: cascadeOptions,
// },
// target,
// propertyKey,
// );
// };
// }
//
// /**
// * @summary Many To One relation Decorators
// *
// * @param {Constructor<any>} clazz the {@link Sequence} to use. Defaults to {@link NoneSequence}
// * @param {CascadeMetadata} [cascadeOptions]
// *
// * @function manyToOne
// *
// * @memberOf module:wallet-db.Decorators
// *
// * @see oneToMany
// * @see oneToOne
// */
// export function manyToOne(
// clazz: Constructor<any>,
// cascadeOptions: CascadeMetadata = DefaultCascade,
// ) {
// Model.register(clazz);
// return (target: any, propertyKey: string) => {
// Reflect.defineMetadata(
// getDBKey(WalletDbKeys.MANY_TO_ONE),
// {
// constructor: clazz.name,
// cascade: cascadeOptions,
// },
// target,
// propertyKey,
// );
// };
// }
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Defaults to {@link DEFAULT_ERROR_MESSAGES.READONLY.INVALID}\n *\n * @decorator readonly\n *\n * @category Decorators\n */\nexport function readonly(\n  message: string = DEFAULT_ERROR_MESSAGES.READONLY.INVALID\n) {\n  return propMetadata(Validation.updateKey(DBKeys.READONLY), {\n    message: message,\n  });\n}\n\nexport async function timestampHandler<\n  M extends Model,\n  V extends IRepository<M>,\n  Y = any,\n>(this: V, context: Context<M>, data: Y, key: string, model: M): Promise<void> {\n  (model as any)[key] = context.timestamp;\n}\n\n/**\n * Marks the property as timestamp.\n * Makes it {@link required}\n * Makes it a {@link date}\n *\n * Date Format:\n *\n * <pre>\n *      Using similar formatting as Moment.js, Class DateTimeFormatter (Java), and Class SimpleDateFormat (Java),\n *      I implemented a comprehensive solution formatDate(date, patternStr) where the code is easy to read and modify.\n *      You can display date, time, AM/PM, etc.\n *\n *      Date and Time Patterns\n *      yy = 2-digit year; yyyy = full year\n *      M = digit month; MM = 2-digit month; MMM = short month name; MMMM = full month name\n *      EEEE = full weekday name; EEE = short weekday name\n *      d = digit day; dd = 2-digit day\n *      h = hours am/pm; hh = 2-digit hours am/pm; H = hours; HH = 2-digit hours\n *      m = minutes; mm = 2-digit minutes; aaa = AM/PM\n *      s = seconds; ss = 2-digit seconds\n *      S = miliseconds\n * </pre>\n *\n * @param {string[]} operation The {@link DBOperations} to act on. Defaults to {@link DBOperations.CREATE_UPDATE}\n * @param {string} [format] The TimeStamp format. defaults to {@link DEFAULT_TIMESTAMP_FORMAT}\n * @param {{new: UpdateValidator}} [validator] defaults to {@link TimestampValidator}\n *\n * @decorator timestamp\n *\n * @category Decorators\n */\nexport function timestamp(\n  operation: OperationKeys[] = DBOperations.CREATE_UPDATE as unknown as OperationKeys[],\n  format: string = DEFAULT_TIMESTAMP_FORMAT\n) {\n  const decorators: any[] = [\n    date(format, DEFAULT_ERROR_MESSAGES.TIMESTAMP.DATE),\n    required(DEFAULT_ERROR_MESSAGES.TIMESTAMP.REQUIRED),\n    on(operation, timestampHandler),\n  ];\n\n  if (operation.indexOf(OperationKeys.UPDATE) !== -1)\n    decorators.push(\n      propMetadata(Validation.updateKey(DBKeys.TIMESTAMP), {\n        message: DEFAULT_ERROR_MESSAGES.TIMESTAMP.INVALID,\n      })\n    );\n\n  return apply(...decorators);\n}\n\nexport async function serializeOnCreateUpdate<\n  T extends Model,\n  V extends IRepository<T>,\n  Y = any,\n  // eslint-disable-next-line @typescript-eslint/no-unused-vars\n>(this: V, data: Y, key: string, model: T, oldModel: T): Promise<void> {\n  if (!(model as any)[key]) return;\n  try {\n    (model as any)[key] = JSON.stringify((model as any)[key]);\n  } catch (e: any) {\n    throw new SerializationError(\n      sf(\n        \"Failed to serialize {0} property on {1} model: {2}\",\n        key,\n        model.constructor.name,\n        e.message\n      )\n    );\n  }\n}\n\nexport async function serializeAfterAll<\n  T extends Model,\n  V extends IRepository<T>,\n  Y = any,\n>(this: V, data: Y, key: string, model: T): Promise<void> {\n  if (!(model as any)[key]) return;\n  if (typeof (model as any)[key] !== \"string\") return;\n\n  try {\n    (model as any)[key] = JSON.parse((model as any)[key]);\n  } catch (e: any) {\n    throw new SerializationError(\n      sf(\n        \"Failed to deserialize {0} property on {1} model: {2}\",\n        key,\n        model.constructor.name,\n        e.message\n      )\n    );\n  }\n}\n\n/**\n * @summary Serialize Decorator\n * @description properties decorated will the serialized before stored in the db\n *\n * @function serialize\n *\n * @memberOf module:wallet-db.Decorators\n */\nexport function serialize() {\n  return apply(\n    onCreateUpdate(serializeOnCreateUpdate),\n    after(DBOperations.ALL, serializeAfterAll),\n    type([String.name, Object.name]),\n    metadata(Repository.key(DBKeys.SERIALIZE), {})\n  );\n}\n\n//\n// /**\n//  * @summary One To One relation Decorators\n//  *\n//  * @param {Constructor<any>} clazz the {@link Sequence} to use. Defaults to {@link NoneSequence}\n//  * @param {CascadeMetadata} [cascadeOptions]\n//  * @param {boolean} _populate If true, replaces the specified key in the document with the corresponding record from the database\n//  *\n//  * @function onToOne\n//  *\n//  * @memberOf module:wallet-db.Decorators\n//  *\n//  * @see oneToMany\n//  * @see manyToOne\n//  */\n// export function oneToOne(\n//   clazz: Constructor<any>,\n//   cascadeOptions: CascadeMetadata = DefaultCascade,\n//   _populate: boolean = true,\n// ) {\n//   Model.register(clazz);\n//   return (target: any, propertyKey: string) => {\n//     type([clazz.name, String.name])(target, propertyKey);\n//     onCreate(oneToOneOnCreate)(target, propertyKey);\n//     onUpdate(oneToOneOnUpdate, cascadeOptions as any)(target, propertyKey);\n//     onDelete(oneToOneOnDelete, cascadeOptions)(target, propertyKey);\n//\n//     afterCreate(populate, _populate)(target, propertyKey);\n//     afterUpdate(populate, _populate)(target, propertyKey);\n//     afterRead(populate, _populate)(target, propertyKey);\n//     afterDelete(populate, _populate)(target, propertyKey);\n//\n//     Reflect.defineMetadata(\n//       getDBKey(WalletDbKeys.ONE_TO_ONE),\n//       {\n//         constructor: clazz.name,\n//         cascade: cascadeOptions,\n//         populate: _populate,\n//       },\n//       target,\n//       propertyKey,\n//     );\n//   };\n// }\n//\n// /**\n//  * @summary One To Many relation Decorators\n//  *\n//  * @param {Constructor<any>} clazz the {@link Sequence} to use. Defaults to {@link NoneSequence}\n//  * @param {CascadeMetadata} [cascadeOptions]\n//  *\n//  * @function onToMany\n//  *\n//  * @memberOf module:wallet-db.Decorators\n//  *\n//  * @see oneToOne\n//  * @see manyToOne\n//  */\n// export function oneToMany(\n//   clazz: Constructor<any>,\n//   cascadeOptions: CascadeMetadata = DefaultCascade,\n//   _populate: boolean = true,\n// ) {\n//   Model.register(clazz);\n//   return (target: any, propertyKey: string) => {\n//     list([clazz, String])(target, propertyKey);\n//     onCreate(oneToManyOnCreate)(target, propertyKey);\n//     onUpdate(oneToManyOnUpdate, cascadeOptions)(target, propertyKey);\n//     onDelete(oneToManyOnDelete, cascadeOptions)(target, propertyKey);\n//\n//     afterCreate(populate, _populate)(target, propertyKey);\n//     afterUpdate(populate, _populate)(target, propertyKey);\n//     afterRead(populate, _populate)(target, propertyKey);\n//     afterDelete(populate, _populate)(target, propertyKey);\n//\n//     Reflect.defineMetadata(\n//       getDBKey(WalletDbKeys.ONE_TO_MANY),\n//       {\n//         constructor: clazz.name,\n//         cascade: cascadeOptions,\n//       },\n//       target,\n//       propertyKey,\n//     );\n//   };\n// }\n//\n// /**\n//  * @summary Many To One relation Decorators\n//  *\n//  * @param {Constructor<any>} clazz the {@link Sequence} to use. Defaults to {@link NoneSequence}\n//  * @param {CascadeMetadata} [cascadeOptions]\n//  *\n//  * @function manyToOne\n//  *\n//  * @memberOf module:wallet-db.Decorators\n//  *\n//  * @see oneToMany\n//  * @see oneToOne\n//  */\n// export function manyToOne(\n//   clazz: Constructor<any>,\n//   cascadeOptions: CascadeMetadata = DefaultCascade,\n// ) {\n//   Model.register(clazz);\n//   return (target: any, propertyKey: string) => {\n//     Reflect.defineMetadata(\n//       getDBKey(WalletDbKeys.MANY_TO_ONE),\n//       {\n//         constructor: clazz.name,\n//         cascade: cascadeOptions,\n//       },\n//       target,\n//       propertyKey,\n//     );\n//   };\n// }\n"]}