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/**
* Fetch and edit constants from the skyblock-constants repo
*/
import fetch from 'node-fetch'
import * as nodeFetch from 'node-fetch'
import { Agent } from 'https'
import NodeCache from 'node-cache'
import Queue from 'queue-promise'
const httpsAgent = new Agent({
keepAlive: true
})
const githubApiBase = 'https://api.github.com'
const owner = 'skyblockstats'
const repo = 'skyblock-constants'
// we use a queue for editing so it doesnt hit the github ratelimit as much
const queue = new Queue({
concurrent: 1,
interval: 500
})
/**
* Send a request to the GitHub API
* @param method The HTTP method, for example GET, PUT, POST, etc
* @param route The route to send the request to
* @param headers The extra headers
* @param json The JSON body, only applicable for some types of methods
*/
async function fetchGithubApi(method: string, route: string, headers?: any, json?: any): Promise<nodeFetch.Response> {
try {
return await fetch(
githubApiBase + route,
{
agent: () => httpsAgent,
body: json ? JSON.stringify(json) : null,
method,
headers: Object.assign({
'Authorization': `token ${process.env.github_token}`
}, headers),
}
)
} catch {
// if there's an error, wait a second and try again
await new Promise((resolve) => setTimeout(resolve, 1000))
return await fetchGithubApi(method, route, headers, json)
}
}
interface GithubFile {
path: string
content: string
sha: string
}
// cache files for an hour
const fileCache = new NodeCache({
stdTTL: 60 * 60,
checkperiod: 60,
useClones: false,
})
/**
* Fetch a file from skyblock-constants
* @param path The file path, for example stats.json
*/
async function fetchFile(path: string): Promise<GithubFile> {
if (fileCache.has(path))
return fileCache.get(path)
const r = await fetchGithubApi(
'GET',
`/repos/${owner}/${repo}/contents/${path}`,
{
'Accept': 'application/vnd.github.v3+json',
},
)
const data = await r.json()
const file = {
path: data.path,
content: Buffer.from(data.content, data.encoding).toString(),
sha: data.sha
}
fileCache.set(path, file)
return file
}
/**
* Edit a file on skyblock-constants
* @param file The GithubFile you got from fetchFile
* @param message The commit message
* @param newContent The new content in the file
*/
async function editFile(file: GithubFile, message: string, newContent: string): Promise<void> {
const r = await fetchGithubApi(
'PUT',
`/repos/${owner}/${repo}/contents/${file.path}`,
{ 'Content-Type': 'application/json' },
{
message: message,
content: Buffer.from(newContent).toString('base64'),
sha: file.sha,
branch: 'main'
}
)
const data = await r.json()
fileCache.set(file.path, {
path: data.content.path,
content: newContent,
sha: data.content.sha
})
}
async function fetchJSONConstant(filename: string): Promise<string[]> {
const file = await fetchFile(filename)
try {
return JSON.parse(file.content)
} catch {
// probably invalid json, return an empty array
return []
}
}
/** Add stats to skyblock-constants. This has caching so it's fine to call many times */
export async function addJSONConstants(filename: string, addingValues: string[], unit: string='stat'): Promise<void> {
if (addingValues.length === 0) return // no stats provided, just return
queue.enqueue(async() => {
const file = await fetchFile(filename)
if (!file.path)
return
let oldStats: string[]
try {
oldStats = JSON.parse(file.content)
} catch {
// invalid json, set it as an empty array
oldStats = []
}
const updatedStats = oldStats
.concat(addingValues)
// remove duplicates
.filter((value, index, array) => array.indexOf(value) === index)
.sort((a, b) => a.localeCompare(b))
const newStats = updatedStats.filter(value => !oldStats.includes(value))
// there's not actually any new stats, just return
if (newStats.length === 0) return
const commitMessage = newStats.length >= 2 ? `Add ${newStats.length} new ${unit}s` : `Add '${newStats[0]}' ${unit}`
await editFile(file, commitMessage, JSON.stringify(updatedStats, null, 2))
})
}
/** Fetch all the known SkyBlock stats as an array of strings */
export async function fetchStats(): Promise<string[]> {
return await fetchJSONConstant('stats.json')
}
/** Add stats to skyblock-constants. This has caching so it's fine to call many times */
export async function addStats(addingStats: string[]): Promise<void> {
await addJSONConstants('stats.json', addingStats, 'stat')
}
/** Fetch all the known SkyBlock collections as an array of strings */
export async function fetchCollections(): Promise<string[]> {
return await fetchJSONConstant('collections.json')
}
/** Add collections to skyblock-constants. This has caching so it's fine to call many times */
export async function addCollections(addingCollections: string[]): Promise<void> {
await addJSONConstants('collections.json', addingCollections, 'collection')
}
/** Fetch all the known SkyBlock collections as an array of strings */
export async function fetchSkills(): Promise<string[]> {
return await fetchJSONConstant('skills.json')
}
/** Add skills to skyblock-constants. This has caching so it's fine to call many times */
export async function addSkills(addingSkills: string[]): Promise<void> {
await addJSONConstants('skills.json', addingSkills, 'skill')
}
/** Fetch all the known SkyBlock collections as an array of strings */
export async function fetchZones(): Promise<string[]> {
return await fetchJSONConstant('zones.json')
}
/** Add skills to skyblock-constants. This has caching so it's fine to call many times */
export async function addZones(addingZones: string[]): Promise<void> {
await addJSONConstants('zones.json', addingZones, 'zone')
}
/** Fetch all the known SkyBlock slayer names as an array of strings */
export async function fetchSlayers(): Promise<string[]> {
return await fetchJSONConstant('slayers.json')
}
/** Add skills to skyblock-constants. This has caching so it's fine to call many times */
export async function addSlayers(addingSlayers: string[]): Promise<void> {
await addJSONConstants('slayers.json', addingSlayers, 'slayer')
}
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