Files
shields/services/reddit/user-karma.service.js
2020-10-03 15:10:16 +00:00

89 lines
1.9 KiB
JavaScript

'use strict'
const Joi = require('joi')
const { nonNegativeInteger } = require('../validators')
const { metric } = require('../text-formatters')
const { BaseJsonService } = require('..')
const schema = Joi.object({
data: Joi.object({
link_karma: nonNegativeInteger,
comment_karma: nonNegativeInteger,
}).required(),
}).required()
module.exports = class RedditUserKarma extends BaseJsonService {
static category = 'social'
static route = {
base: 'reddit/user-karma',
pattern: ':variant(link|comment|combined)/:user',
}
static examples = [
{
title: 'Reddit User Karma',
namedParams: { variant: 'combined', user: 'example' },
staticPreview: {
label: 'combined karma',
message: 56,
color: 'red',
style: 'social',
},
},
]
static defaultBadgeData = {
label: 'reddit karma',
namedLogo: 'reddit',
}
static render({ variant, karma, user }) {
const label =
variant === 'combined'
? `u/${user} karma`
: `u/${user} karma (${variant})`
return {
label,
message: metric(karma),
color: 'red',
link: [`https://www.reddit.com/u/${user}`],
}
}
async fetch({ user }) {
return this._requestJson({
schema,
url: `https://www.reddit.com/u/${user}/about.json`,
errorMessages: {
404: 'user not found',
},
})
}
transform({ json, variant }) {
let karma
if (variant === 'link') {
karma = json.data.link_karma
} else if (variant === 'comment') {
karma = json.data.comment_karma
} else {
const total = json.data.link_karma + json.data.comment_karma
karma = total
}
return { karma }
}
async handle({ variant, user }) {
const json = await this.fetch({ user })
const { karma } = this.transform({ json, variant })
return this.constructor.render({
variant,
karma,
user,
})
}
}