siimee/backend/lib/routes/membership/active.js

'use strict'

const Joi = require('joi')
const apiSchema = require('../../schemas/api')
const errorSchema = require('../../schemas/errors')
const groupingSchema = require('../../schemas/groupings')
const params = require('../../schemas/params')

const pluginConfig = {
    handlerType: 'grouping',
    docs: {
        description: 'active memberships',
        notes: 'A list of groupings with active membership',
    },
}

const validators = {
    /** Validate the header (cookie check) */
    // headers: true,

    /** Validate the route params (/active/{thing}) */
    params: params.profileId,

    /** Validate the route query (/active/{thing}?limit=10&offset=10) */
    query: Joi.object({ type: Joi.string().lowercase().min(6).max(11) }),

    /** Validate the incoming payload (POST method) */
    // payload: true,
}

const responseSchemas = {
    single: groupingSchema.single,
    list: groupingSchema.listWithProfiles,
    error: errorSchema.single,
}

const _activeGroupingIds = allMemberships => {
    const active = {}
    allMemberships.forEach(membership => {
        if (!membership.is_active) return
        if (!active[membership.grouping_id]) {
            active[membership.grouping_id] = []
        }
        active[membership.grouping_id].push(membership)
    })
    const ids = []
    Object.values(active).forEach(profileListInGrouping => {
        if (profileListInGrouping.length == 2) {
            ids.push(profileListInGrouping[0].grouping_id)
        }
    })
    return ids
}

module.exports = {
    method: 'GET',
    path: '/{profile_id}',
    options: {
        ...pluginConfig.docs,
        tags: ['api'],
        /** Protect this route with authentication? */
        auth: false,
        cors: true,
        handler: async function (request, h) {
            const { membershipService, profileService, userService } =
                request.server.services()
            const membershipType = request.query.type

            const profileId = request.params.profile_id
            let groupings = await membershipService.findGroupingsByProfileId(
                profileId,
                membershipType,
            )
            let memberships = await membershipService.findMemberships(
                groupings.map(grouping => grouping.grouping_id),
            )

            /**
             * Heavily process the result by storing just a profile_id
             * and attach complete profiles
             */
            let pIds = groupings.reduce((ids, grouping) => {
                grouping.profiles.forEach(p => {
                    if (p.profile_id == profileId) return 
                    ids.push(p.profile_id)
                    grouping.profile = p.profile_id
                })
                delete grouping.profiles
                return ids
            }, [])
            /** Assemble complete profiles to reference and pass */
            const completedProfiles = await profileService.getProfilesFor(
                pIds,
                'participant',
                false,
            )
            // NOTE: Doesn't rely on profile reveal field to get reveal tags
            const getGroupingRevealTags = async () => {
                const groupingRevealTags = []
                for (const grouping of groupings) {
                    for (const profile of completedProfiles) {
                        const revealTags = await profileService.getTagsFor(profile.profile_id, grouping.grouping_id, 'reveal')
                        if (revealTags.length) {
                            groupingRevealTags.push(revealTags)
                        }
                    }
                }
                return groupingRevealTags
            }

            const revealTags = await getGroupingRevealTags()
            // TODO: Refactor, triple for of loop...
            const getRevealInfo = async () => {
                const profilesWithRevealed = []
                for (const profile of completedProfiles) {
                    const userInfo = await userService.findById(profile.user_id)
                    if (userInfo && revealTags.length) {
                        for (const tags of revealTags) {
                            for (const tag of tags) {
                                if (tag.tag.tag_description) {
                                    profile[tag.tag.tag_description] = userInfo[tag.tag.tag_description]
                                }
                            }
                        }
                        profilesWithRevealed.push(profile)
                    }
                }
                if (profilesWithRevealed.length)
                    return profilesWithRevealed
                else
                    return completedProfiles
            }

            const completedProfilesWithRevealedInfo = await getRevealInfo()

            const reformattedGroupings = groupings.map(g => {
                completedProfilesWithRevealedInfo.forEach(p => {
                    g.profile = g.profile == p.profile_id ? p : g.profile
                })
                g.is_paired = _activeGroupingIds(memberships).includes(
                    g.grouping_id,
                )
                return g
            })

            try {
                return {
                    ok: true,
                    handler: pluginConfig.handlerType,
                    data: reformattedGroupings,
                }
            } catch (err) {
                return {
                    ok: false,
                    handler: pluginConfig.handlerType,
                    data: { error: `${err}` },
                }
            }
        },

        /** Validate based on validators object */
        validate: {
            ...validators,
            failAction: 'log',
        },

        /** Validate the server response */
        response: {
            schema: apiSchema.single
                .append({
                    data: responseSchemas.list,
                })
                .label('grouping_list_res'),
        },
    },
}