findInDeepArray

findInDeepArray.js

/**
 * @param {number} tagId the id of the tags we are looking for it's child
 * @param {Array} tags array of the level we are looking for the child tags
 * @returns {object} object of the found child object
 */
function findTagById(tagId, tags) {
  // console.debug("findTagById > Tags", tags);
  const result = filter(tags, { item: [{ tag_id: tagId }] });
  // console.debug("findTagById > result", result);
  return result[0].item.filter(t => t.tag_id === tagId)[0];
}

/**
 * @param {object} tag object of the tag
 * @description checks if a tag has child, if so returns them, returns fale otherwise
 * @returns {Array} Array of the found child tags
 */
function hasChildTags(tag) {
  // console.debug('findingChildTag', tag)
  if (
    tag.relations &&
    tag.relations.relation &&
    tag.relations.relation.length > 0
  ) {
    // console.log("has child", tag);
    return tag.relations.relation;
  }
  return false;
}

/**
 * @param {number} level the level the function should iteate over
 * @param {object} raw the raw structure in JSON format
 * @returns {Array} returns the result array of the tree of the tegs
 */
export function getLevel(level, raw) {
  const TREE = {
    id: 0,
    filename: "All",
    children: []
  };
  const thisLevelTags = raw.categories.category[level];
  // console.log("thislevelTags", thisLevelTags.item);
  const { item } = thisLevelTags;
  if (item.length !== 0) {
    //console.log("item", item);
    item.forEach(element => {
      // console.log("thisTag: ", element);
      TREE.children.push({
        id: element.id,
        filename: element.name,
        ...element
      });
    });
  }
  return TREE;
}
let resultTagTree = getLevel(0, raw);

// console.debug(resultTagTree);

function findTagInTree(tagId, tags) {
  // console.debug('tags:', tags)
  const result = findIndex(tags, ["tag_id", tagId]);
  // console.debug(result)
  return result;
}

function findTagInDeepTree(tagId, tags) {
  // console.debug('tags:', tags)
  let result;
  const temp = filter(tags, {
    children: [{ tag_id: tagId }]
  });
  if (temp.length) {
    result = temp[0].children.find(currTag => currTag.tag_id === tagId);
    console.debug(result);
  }
  return result;
  // result[0].children.find(currTag => currTag.tag_id === tagId)
}

function getDeeperTags() {
  for (let i = 1; i < raw.categories.category.length; i++) {
    const thisLevelTags = raw.categories.category[i];
    const { item } = thisLevelTags;
    if (item && item.relations) {
      //console.debug('item: ', item, 'relations  : ', item.relations.relation)
      const relations = item.relations.relation;
      //console.debug("item", item, "relations", relations);
      // console.debug('item', item)
      // console.debug('relations', relations)
      const parentId = Array.isArray(item.relations.relation)
        ? item.relations.relation[0]
        : item.relations.relation;
      //console.debug("parentId", parentId);
      const parentIndexOfThis = findTagInDeepTree(
        parentId,
        resultTagTree.children
      );
      //console.debug("parantIdOfThis: ", parentId, parentIndexOfThis);
    } else {
      if (Array.isArray(item)) {
        item.forEach(e => {
          const parentId = Array.isArray(e.relations.relation)
            ? e.relations.relation[0]
            : e.relations.relation;
          // console.debug('parentId', parentId)
          // console.debug("thisTag", e);
          const parentIndexOfThis = findTagInTree(
            parentId,
            resultTagTree.children
          );
          // console.debug("parentOfThis", parentIndexOfThis);
          // console.debug( "resultTagList", resultTagTree.children[parentIndexOfThis] );
          if (
            typeof resultTagTree.children[parentIndexOfThis].children ===
            "undefined"
          ) {
            // create children here
            resultTagTree.children[parentIndexOfThis].children = [];
            resultTagTree.children[parentIndexOfThis].children.push({
              id: e.tag_id,
              filename: e.tag_name,
              ...e
            });
          } else {
            resultTagTree.children[parentIndexOfThis].children.push({
              id: e.tag_id,
              filename: e.tag_name,
              ...e
            });
          }
        });
      }
      // console.debug(resultTagTree)
    }
  }
}

getDeeperTags();