wekan/client/components/main/globalSearch.js

const subManager = new SubsManager();

BlazeComponent.extendComponent({
  events() {
    return [
      {
        'click .js-due-cards-view-change': Popup.open('globalSearchViewChange'),
      },
    ];
  },
}).register('globalSearchHeaderBar');

Template.globalSearch.helpers({
  userId() {
    return Meteor.userId();
  },
});

BlazeComponent.extendComponent({
  events() {
    return [
      {
        'click .js-due-cards-view-me'() {
          Utils.setDueCardsView('me');
          Popup.close();
        },

        'click .js-due-cards-view-all'() {
          Utils.setDueCardsView('all');
          Popup.close();
        },
      },
    ];
  },
}).register('globalSearchViewChangePopup');

BlazeComponent.extendComponent({
  onCreated() {
    this.isPageReady = new ReactiveVar(true);
    this.searching = new ReactiveVar(false);
    this.hasResults = new ReactiveVar(false);
    this.query = new ReactiveVar('');
    this.queryParams = null;
    this.resultsCount = new ReactiveVar(0);
    this.queryErrors = new ReactiveVar(null);
    Meteor.subscribe('setting');
  },

  results() {
    if (this.queryParams) {
      const results = Cards.globalSearch(this.queryParams);
      // eslint-disable-next-line no-console
      // console.log('errors:', results.errors);
      this.resultsCount.set(results.cards.count());
      this.queryErrors.set(results.errors);
      return results.cards;
    }
    this.resultsCount.set(0);
    return [];
  },

  errorMessages() {
    const errors = this.queryErrors.get();
    const messages = [];

    errors.notFound.boards.forEach(board => {
      messages.push({ tag: 'board-title-not-found', value: board });
    });
    errors.notFound.swimlanes.forEach(swim => {
      messages.push({ tag: 'swimlane-title-not-found', value: swim });
    });
    errors.notFound.lists.forEach(list => {
      messages.push({ tag: 'list-title-not-found', value: list });
    });
    errors.notFound.users.forEach(user => {
      messages.push({ tag: 'user-username-not-found', value: user });
    });

    return messages;
  },

  events() {
    return [
      {
        'submit .js-search-query-form'(evt) {
          evt.preventDefault();
          this.query.set(evt.target.searchQuery.value);
          this.queryErrors.set(null);

          if (!this.query.get()) {
            this.searching.set(false);
            this.hasResults.set(false);
            return;
          }

          this.searching.set(true);
          this.hasResults.set(false);

          let query = this.query.get();
          // eslint-disable-next-line no-console
          // console.log('query:', query);

          const reUser = /^@(?<user>[\w.:]+)(\s+|$)/;
          const reLabel = /^#(?<label>[\w:-]+)(\s+|$)/;
          const reOperator1 = /^(?<operator>\w+):(?<value>\w+)(\s+|$)/;
          const reOperator2 = /^(?<operator>\w+):(?<quote>["']*)(?<value>.*?)\k<quote>(\s+|$)/;
          const reText = /^(?<text>\S+)(\s+|$)/;
          const reQuotedText = /^(?<quote>["'])(?<text>\w+)\k<quote>(\s+|$)/;
          const operatorMap = {
            board: 'boards',
            b: 'boards',
            label: 'labels',
            lable: 'labels',
            user: 'users',
            u: 'users',
            swimlane: 'swimlanes',
            swim: 'swimlanes',
            s: 'swimlanes',
            list: 'lists',
            l: 'lists',
            is: 'is',
          };
          const selector = {
            boards: [],
            swimlanes: [],
            lists: [],
            users: [],
            labels: [],
            is: [],
          };
          let text = '';
          while (query) {
            // eslint-disable-next-line no-console
            console.log('query:', query);
            let m = query.match(reUser);
            if (m) {
              query = query.replace(reUser, '');
              selector.users.push(m.groups.user);
              continue;
            }

            m = query.match(reLabel);
            if (m) {
              query = query.replace(reLabel, '');
              selector.labels.push(m.groups.label);
              continue;
            }

            m = query.match(reOperator1);
            if (!m) {
              m = query.match(reOperator2);
              if (m) {
                query = query.replace(reOperator2, '');
              }
            } else {
              query = query.replace(reOperator1, '');
            }
            if (m) {
              const op = m.groups.operator.toLowerCase();
              if (op in operatorMap) {
                selector[operatorMap[op]].push(m.groups.value);
              }
              continue;
            }

            m = query.match(reQuotedText);
            if (!m) {
              m = query.match(reText);
              if (m) {
                query = query.replace(reText, '');
              }
            } else {
              query = query.replace(reQuotedText, '');
            }
            if (m) {
              text += (text ? ' ' : '') + m.groups.text;
            }
          }

          // eslint-disable-next-line no-console
          // console.log('selector:', selector);
          // eslint-disable-next-line no-console
          // console.log('text:', text);
          selector.text = text;

          // eslint-disable-next-line no-console
          // console.log('selector:', selector);

          this.queryParams = selector;

          this.autorun(() => {
            const handle = subManager.subscribe('globalSearch', selector);
            Tracker.nonreactive(() => {
              Tracker.autorun(() => {
                // eslint-disable-next-line no-console
                // console.log('ready:', handle.ready());
                if (handle.ready()) {
                  this.searching.set(false);
                  this.hasResults.set(true);
                }
              });
            });
          });
        },
      },
    ];
  },
}).register('globalSearch');