text: import { ObjectUtils } from "../../util/ObjectUtils";
  /**
   * Transforms plain old javascript object
   * Entity is constructed based on its entity metadata.
   */
  export class PlainObjectToNewEntityTransformer {
      // -------------------------------------------------------------------------
      // Public Methods
      // -------------------------------------------------------------------------
      transform(newEntity, object, metadata, getLazyRelationsPromiseValue = false) {
          // console.log("groupAndTransform entity:", newEntity);
          // console.log("groupAndTransform object:", object);
          this.groupAndTransform(newEntity, object, metadata, getLazyRelationsPromiseValue);
          // console.log("result:", newEntity);
          return newEntity;
      }
      // -------------------------------------------------------------------------
      // Private Methods
      // -------------------------------------------------------------------------
      /**
       * Since db returns a duplicated rows of the data where accuracies of the same object can be duplicated
       * we need to group our result and we must have some unique id (primary key in our case)
       */
      groupAndTransform(entity, object, metadata, getLazyRelationsPromiseValue = false) {
          // console.log("groupAndTransform entity:", entity);
          // console.log("groupAndTransform object:", object);
          // copy regular column properties from the given object
          metadata.nonVirtualColumns.forEach((column) => {
              const objectColumnValue = column.getEntityValue(object);
              if (objectColumnValue !== undefined)
                  column.setEntityValue(entity, objectColumnValue);
          });
          // // copy relation properties from the given object
          if (metadata.relations.length) {
              metadata.relations.forEach((relation) => {
                  let entityRelatedValue = relation.getEntityValue(entity);
                  const objectRelatedValue = relation.getEntityValue(object, getLazyRelationsPromiseValue);
                  if (objectRelatedValue === undefined)
                      return;
                  if (relation.isOneToMany || relation.isManyToMany) {
                      if (!Array.isArray(objectRelatedValue))
                          return;
                      if (!entityRelatedValue) {
                          entityRelatedValue = [];
                          relation.setEntityValue(entity, entityRelatedValue);
                      }
                      objectRelatedValue.forEach((objectRelatedValueItem) => {
                          // check if we have this item from the merging object in the original entity we merge into
                          let objectRelatedValueEntity = entityRelatedValue.find((entityRelatedValueItem) => {
                              return relation.inverseEntityMetadata.compareEntities(objectRelatedValueItem, entityRelatedValueItem);
                          });
                          // if such item already exist then merge new data into it, if its not we create a new entity and merge it into the array
                          if (!objectRelatedValueEntity) {
                              objectRelatedValueEntity =
                                  relation.inverseEntityMetadata.create(undefined, { fromDeserializer: true });
                              entityRelatedValue.push(objectRelatedValueEntity);
                          }
                          this.groupAndTransform(objectRelatedValueEntity, objectRelatedValueItem, relation.inverseEntityMetadata, getLazyRelationsPromiseValue);
                      });
                  }
                  else {
                      // if related object isn't an object (direct relation id for example)
                      // we just set it to the entity relation, we don't need anything more from it
                      // however we do it only if original entity does not have this relation set to object
                      // to prevent full overriding of objects
                      if (!ObjectUtils.isObject(objectRelatedValue)) {
                          if (!ObjectUtils.isObject(entityRelatedValue))
                              relation.setEntityValue(entity, objectRelatedValue);
                          return;
                      }
                      if (!entityRelatedValue) {
                          entityRelatedValue =
                              relation.inverseEntityMetadata.create(undefined, {
                                  fromDeserializer: true,
                              });
                          relation.setEntityValue(entity, entityRelatedValue);
                      }
                      this.groupAndTransform(entityRelatedValue, objectRelatedValue, relation.inverseEntityMetadata, getLazyRelationsPromiseValue);
                  }
              });
          }
      }
  }
  
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