trc-client-core/src/course/CourseStore.js

The core of the TRC Client

import Immutable from 'immutable';
import xhr from '../utils/xhr';
import reflux from 'reflux';

import _ from 'lodash';
import ImmutableStoreMixin from 'reflux-immutable/ImmutableStoreMixin';
import SodataActions from 'trc-client-core/src/sodata/SodataActions';
import CourseActions from 'trc-client-core/src/course/CourseActions';
import RegistrationActions from 'trc-client-core/src/course/RegistrationActions';

var CourseStore = reflux.createStore({
    listenables: [
        CourseActions,
        RegistrationActions
    ],
    mixins: [
        ImmutableStoreMixin
    ],
    init: function () {
        this.setState({
            courses: [],
            course: null,
            similarCourses: null
        });
    },
    onPublishCompleted: function () {
        CourseActions.fetchCourses();
    },
    onFetchCoursesCompleted(courses) {
        this.setState({
            courses: courses
        });
    },
    onFetchCourse: function () {
        this.setState({
            course: null
        })
    },
    onFetchCourseFailed: function () {},
    onFetchCourseCompleted: function(course) {
        this.setState({
            course: course
        });
    },
    onFetchParticipation: function() {
        this.setState({
            participation: null
        });
    },
    onFetchParticipationCompleted: function(participation) {
        var newState = participation;

        newState.history = Immutable.fromJS(participation.history)
            .sortBy(function(item){
                return item.date;
            })
            .reverse()
            .filter(function(item, key){
                return item.process !== 'ENROLLED' || key !== 0;
            });

        if(newState.history.get(0) && newState.history.get(0).process === 'ENROLLED') {
            SodataActions.fetchSoData(newState.history.get(0).soId);
        }

        this.setState({
            participation: newState
        });
    },
    onFetchSimilarCoursesCompleted: function(similarCourses) {
        this.setState({
            similarCourses: similarCourses
        });
    },

    // From Registration Store
    onSendRegistrationData() {},
    onSendRegistrationDataFailed() {},
    onSendRegistrationDataCompleted() {
        var participation = this.get('participation');
        if (participation) {
            CourseActions.fetchParticipation({
                courseCode: participation.get('courseCode'),
                participantId: participation.get('participantId'),
                withEligibility: true
            });
        }
    },
    filterCourses: function(query) {
        return function(course) {
            if(query.type !== 'ALL' && query.type !== course.type && course.type) {
                return false;
            } else if(query.stream !== 'ALL' && query.stream !== course.stream && course.stream) {
                return false;
            } else if (query.departmentCategory !== 'ALL' && !_.contains(course.departmentCategory, query.departmentCategory)) {
                return false;
            } else if(query.search) {
                // generate string from keys
                var string = _(course).pick(['workshopName', 'courseCode']).invert().keys().toString().toLowerCase();
                return (string.indexOf(query.search.toLowerCase()) !== -1);
            }

            return true;
        };
    },
    course: {
        get: function (query) {
            if(query.id) {
                return xhr.get('/api/course/' + query.id);
            }
        },
        put: function (query) {
            if(query.id) {
                return xhr.put('/api/course/' + query.id, this.parseCourse(query));
            }
        },
        post: function (query) {
            return xhr.post('/api/course/', this.parseCourse(query));
        },
        del: function (id) {
            return xhr.del('/api/course/' + id);
        },
        parseCourse: function(query) {
            if(query.price) {
                query.price = parseFloat(query.price, 10);
            }

            if(query.prerequisiteExpression) {
                delete query.prerequisiteExpression;
            }

            return query;
        },
        completionData: function(query) {
            if(query) {
                return xhr.get('/course/completion/participant/' + query.participantId + '/course/' + query.courseCode);
            }
        }
    }
});

module.exports = CourseStore;