@decaf-ts/db-decorators
Version:
Agnostic database decorators and repository
118 lines • 15.3 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.readonly = readonly;
exports.timestampHandler = timestampHandler;
exports.timestamp = timestamp;
exports.serializeOnCreateUpdate = serializeOnCreateUpdate;
exports.serializeAfterAll = serializeAfterAll;
exports.serialize = serialize;
require("./validation.cjs");
const decorator_validation_1 = require("@decaf-ts/decorator-validation");
const constants_1 = require("./../model/constants.cjs");
const constants_2 = require("./constants.cjs");
const constants_3 = require("./../operations/constants.cjs");
const decorators_1 = require("./../operations/decorators.cjs");
const errors_1 = require("./../repository/errors.cjs");
const reflection_1 = require("@decaf-ts/reflection");
const repository_1 = require("./../repository/index.cjs");
/**
* Marks the property as readonly.
*
* @param {string} [message] the error message. Defaults to {@link DEFAULT_ERROR_MESSAGES.READONLY.INVALID}
*
* @decorator readonly
*
* @category Decorators
*/
function readonly(message = constants_2.DEFAULT_ERROR_MESSAGES.READONLY.INVALID) {
const key = decorator_validation_1.Validation.updateKey(constants_1.DBKeys.READONLY);
return decorator_validation_1.Decoration.for(key)
.define((0, decorator_validation_1.propMetadata)(key, {
message: message,
}))
.apply();
}
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
*/
function timestamp(operation = constants_3.DBOperations.CREATE_UPDATE, format = constants_1.DEFAULT_TIMESTAMP_FORMAT) {
const key = decorator_validation_1.Validation.updateKey(constants_1.DBKeys.TIMESTAMP);
const decorators = [
(0, decorator_validation_1.date)(format, constants_2.DEFAULT_ERROR_MESSAGES.TIMESTAMP.DATE),
(0, decorator_validation_1.required)(constants_2.DEFAULT_ERROR_MESSAGES.TIMESTAMP.REQUIRED),
(0, decorators_1.on)(operation, timestampHandler),
];
if (operation.indexOf(constants_3.OperationKeys.UPDATE) !== -1)
decorators.push((0, decorator_validation_1.propMetadata)(decorator_validation_1.Validation.updateKey(constants_1.DBKeys.TIMESTAMP), {
message: constants_2.DEFAULT_ERROR_MESSAGES.TIMESTAMP.INVALID,
}));
return decorator_validation_1.Decoration.for(key)
.define(...decorators)
.apply();
}
async function serializeOnCreateUpdate(context, data, key, model) {
if (!model[key])
return;
try {
model[key] = JSON.stringify(model[key]);
// eslint-disable-next-line @typescript-eslint/no-unused-vars
}
catch (e) {
throw new errors_1.SerializationError(`Failed to serialize ${key.toString()} property of model ${model.constructor.name}: e`);
}
}
async function serializeAfterAll(context, data, key, model) {
if (!model[key])
return;
if (typeof model[key] !== "string")
return;
try {
model[key] = JSON.parse(model[key]);
}
catch (e) {
throw new errors_1.SerializationError(`Failed to deserialize ${key.toString()} property of model ${model.constructor.name}: ${e}`);
}
}
/**
* @summary Serialize Decorator
* @description properties decorated will the serialized before stored in the db
*
* @function serialize
*
* @memberOf module:wallet-db.Decorators
*/
function serialize() {
return (0, reflection_1.apply)((0, decorators_1.onCreateUpdate)(serializeOnCreateUpdate), (0, decorators_1.after)(constants_3.DBOperations.ALL, serializeAfterAll), (0, decorator_validation_1.type)([String.name, Object.name]), (0, reflection_1.metadata)(repository_1.Repository.key(constants_1.DBKeys.SERIALIZE), {}));
}
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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  const key = Validation.updateKey(DBKeys.READONLY);\n  return Decoration.for(key)\n    .define(\n      propMetadata(key, {\n        message: message,\n      })\n    )\n    .apply();\n}\n\nexport async function timestampHandler<\n  M extends Model,\n  R extends IRepository<M, F, C>,\n  V,\n  F extends RepositoryFlags = RepositoryFlags,\n  C extends Context<F> = Context<F>,\n>(this: R, context: C, data: V, key: keyof M, 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 key = Validation.updateKey(DBKeys.TIMESTAMP);\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  return Decoration.for(key)\n    .define(...decorators)\n    .apply();\n}\n\nexport async function serializeOnCreateUpdate<\n  M extends Model,\n  R extends IRepository<M, F, C>,\n  V,\n  F extends RepositoryFlags = RepositoryFlags,\n  C extends Context<F> = Context<F>,\n>(this: R, context: C, data: V, key: keyof M, model: M): Promise<void> {\n  if (!model[key]) return;\n  try {\n    model[key] = JSON.stringify(model[key]) as M[keyof M];\n    // eslint-disable-next-line @typescript-eslint/no-unused-vars\n  } catch (e: unknown) {\n    throw new SerializationError(\n      `Failed to serialize ${key.toString()} property of model ${model.constructor.name}: e`\n    );\n  }\n}\n\nexport async function serializeAfterAll<\n  M extends Model,\n  R extends IRepository<M, F, C>,\n  V,\n  F extends RepositoryFlags = RepositoryFlags,\n  C extends Context<F> = Context<F>,\n>(this: R, context: C, data: V, key: keyof M, model: M): Promise<void> {\n  if (!model[key]) return;\n  if (typeof model[key] !== \"string\") return;\n\n  try {\n    model[key] = JSON.parse(model[key]);\n  } catch (e: unknown) {\n    throw new SerializationError(\n      `Failed to deserialize ${key.toString()} property of model ${model.constructor.name}: ${e}`\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"]}