@sap-cloud-sdk/core
Version:
SAP Cloud SDK for JavaScript core
113 lines • 4.86 kB
JavaScript
;
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.EntityBuilder = void 0;
var util_1 = require("@sap-cloud-sdk/util");
var properties_util_1 = require("./properties-util");
var logger = (0, util_1.createLogger)({
package: 'core',
messageContext: 'entity-builder'
});
/**
* @hidden
*/
var EntityBuilder = /** @class */ (function () {
function EntityBuilder(_entityConstructor) {
this._entityConstructor = _entityConstructor;
if (!this.entity) {
this.entity = new this._entityConstructor();
}
}
/**
* Sets the custom fields for the entity.
* @param customFields - The custom fields you want to add.
* @returns The entity builder itself for method chaining
*/
EntityBuilder.prototype.withCustomFields = function (customFields) {
var validCustomFields = this.filterCustomFields(customFields);
this.entity = this.entity.setCustomFields(validCustomFields);
return this;
};
/**
* Builds the entity.
* @returns The entity.
*/
EntityBuilder.prototype.build = function () {
var entity = this.entity;
this.entity = new this._entityConstructor();
return entity;
};
/**
* Builds an entity from JSON representation.
* If you have obtained the JSON as a request payload use the [[deserializeEntity]] methods.
* Note that fields not mappable to a field in the target entity are silently ignored.
* @param json - Representation of the entity in JSON format.
* @returns Entity constructed from JSON representation.
*/
EntityBuilder.prototype.fromJson = function (json) {
var entityBuilder = this._entityConstructor.builder();
var entityConstructor = this._entityConstructor;
var _a = (0, util_1.partition)(Object.entries(json), function (_a) {
var key = _a[0];
return typeof entityBuilder[key] === 'function';
}), entityEntries = _a[0], customEntries = _a[1];
entityEntries.forEach(function (_a) {
var key = _a[0], value = _a[1];
var propertyValue = (0, properties_util_1.isNavigationProperty)(key, entityConstructor) && !!value
? buildNavigationPropertyFromJson(key, value, entityConstructor)
: value;
entityBuilder[key](propertyValue);
});
var customFields = customEntries.reduce(function (customFieldsObj, _a) {
var _b;
var key = _a[0], value = _a[1];
if (key === '_customFields') {
logger.warn("Setting custom fields in 'fromJson' through '_customFields' is deprecated and will soon be removed. Add properties to your JSON instead. (Deprecated since v1.38.1)");
return __assign(__assign({}, customFieldsObj), value);
}
return __assign(__assign({}, customFieldsObj), (_b = {}, _b[key] = value, _b));
}, {});
entityBuilder.withCustomFields(customFields);
return entityBuilder.build();
};
EntityBuilder.prototype.filterCustomFields = function (customFields) {
var _this = this;
return Object.keys(customFields).reduce(function (validCfs, cf) {
if (!_this._entityConstructor[(0, util_1.upperCaseSnakeCase)(cf)]) {
validCfs[cf] = customFields[cf];
}
logger.warn("Field name \"".concat(cf, "\" is already existing in \"").concat(toClassName(_this._entityConstructor._entityName), "\" and thus cannot be defined as custom field. "));
return validCfs;
}, {});
};
return EntityBuilder;
}());
exports.EntityBuilder = EntityBuilder;
function toClassName(entityName) {
return entityName.substr(entityName.indexOf('_') + 1);
}
function buildNavigationPropertyFromJson(key, value, entityConstructor) {
var field = entityConstructor[(0, util_1.upperCaseSnakeCase)(key)];
var linkedEntityConstructor = field._linkedEntity;
return Array.isArray(value)
? value.map(function (item) {
return buildSingleEntityFromJson(item, linkedEntityConstructor);
})
: buildSingleEntityFromJson(value, linkedEntityConstructor);
}
function buildSingleEntityFromJson(json, linkedEntityConstructor) {
return json instanceof linkedEntityConstructor
? json
: linkedEntityConstructor.builder().fromJson(json);
}
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