budibase/packages/backend-core/src/db/utils.ts

470 lines
13 KiB
TypeScript

import { newid } from "../newid"
import env from "../environment"
import {
DEFAULT_TENANT_ID,
SEPARATOR,
DocumentType,
UNICODE_MAX,
ViewName,
InternalTable,
APP_PREFIX,
} from "../constants"
import { getTenantId, getGlobalDBName } from "../context"
import { doWithDB, directCouchAllDbs } from "./db"
import { getAppMetadata } from "../cache/appMetadata"
import { isDevApp, isDevAppID, getProdAppID } from "./conversions"
import { App, Database } from "@budibase/types"
/**
* Generates a new app ID.
* @returns {string} The new app ID which the app doc can be stored under.
*/
export const generateAppID = (tenantId?: string | null) => {
let id = APP_PREFIX
if (tenantId) {
id += `${tenantId}${SEPARATOR}`
}
return `${id}${newid()}`
}
/**
* If creating DB allDocs/query params with only a single top level ID this can be used, this
* is usually the case as most of our docs are top level e.g. tables, automations, users and so on.
* More complex cases such as link docs and rows which have multiple levels of IDs that their
* ID consists of need their own functions to build the allDocs parameters.
* @param {string} docType The type of document which input params are being built for, e.g. user,
* link, app, table and so on.
* @param {string|null} docId The ID of the document minus its type - this is only needed if looking
* for a singular document.
* @param {object} otherProps Add any other properties onto the request, e.g. include_docs.
* @returns {object} Parameters which can then be used with an allDocs request.
*/
export function getDocParams(
docType: string,
docId?: string | null,
otherProps: any = {}
) {
if (docId == null) {
docId = ""
}
return {
...otherProps,
startkey: `${docType}${SEPARATOR}${docId}`,
endkey: `${docType}${SEPARATOR}${docId}${UNICODE_MAX}`,
}
}
/**
* Gets the DB allDocs/query params for retrieving a row.
* @param {string|null} tableId The table in which the rows have been stored.
* @param {string|null} rowId The ID of the row which is being specifically queried for. This can be
* left null to get all the rows in the table.
* @param {object} otherProps Any other properties to add to the request.
* @returns {object} Parameters which can then be used with an allDocs request.
*/
export function getRowParams(
tableId?: string | null,
rowId?: string | null,
otherProps = {}
) {
if (tableId == null) {
return getDocParams(DocumentType.ROW, null, otherProps)
}
const endOfKey = rowId == null ? `${tableId}${SEPARATOR}` : rowId
return getDocParams(DocumentType.ROW, endOfKey, otherProps)
}
/**
* Retrieve the correct index for a view based on default design DB.
*/
export function getQueryIndex(viewName: ViewName) {
return `database/${viewName}`
}
/**
* Gets a new row ID for the specified table.
* @param {string} tableId The table which the row is being created for.
* @param {string|null} id If an ID is to be used then the UUID can be substituted for this.
* @returns {string} The new ID which a row doc can be stored under.
*/
export function generateRowID(tableId: string, id?: string) {
id = id || newid()
return `${DocumentType.ROW}${SEPARATOR}${tableId}${SEPARATOR}${id}`
}
/**
* Check if a given ID is that of a table.
* @returns {boolean}
*/
export const isTableId = (id: string) => {
// this includes datasource plus tables
return (
id &&
(id.startsWith(`${DocumentType.TABLE}${SEPARATOR}`) ||
id.startsWith(`${DocumentType.DATASOURCE_PLUS}${SEPARATOR}`))
)
}
/**
* Check if a given ID is that of a datasource or datasource plus.
* @returns {boolean}
*/
export const isDatasourceId = (id: string) => {
// this covers both datasources and datasource plus
return id && id.startsWith(`${DocumentType.DATASOURCE}${SEPARATOR}`)
}
/**
* Generates a new workspace ID.
* @returns {string} The new workspace ID which the workspace doc can be stored under.
*/
export function generateWorkspaceID() {
return `${DocumentType.WORKSPACE}${SEPARATOR}${newid()}`
}
/**
* Gets parameters for retrieving workspaces.
*/
export function getWorkspaceParams(id = "", otherProps = {}) {
return {
...otherProps,
startkey: `${DocumentType.WORKSPACE}${SEPARATOR}${id}`,
endkey: `${DocumentType.WORKSPACE}${SEPARATOR}${id}${UNICODE_MAX}`,
}
}
/**
* Generates a new global user ID.
* @returns {string} The new user ID which the user doc can be stored under.
*/
export function generateGlobalUserID(id?: any) {
return `${DocumentType.USER}${SEPARATOR}${id || newid()}`
}
/**
* Gets parameters for retrieving users.
*/
export function getGlobalUserParams(globalId: any, otherProps: any = {}) {
if (!globalId) {
globalId = ""
}
const startkey = otherProps?.startkey
return {
...otherProps,
// need to include this incase pagination
startkey: startkey
? startkey
: `${DocumentType.USER}${SEPARATOR}${globalId}`,
endkey: `${DocumentType.USER}${SEPARATOR}${globalId}${UNICODE_MAX}`,
}
}
/**
* Gets parameters for retrieving users, this is a utility function for the getDocParams function.
*/
export function getUserMetadataParams(userId?: string | null, otherProps = {}) {
return getRowParams(InternalTable.USER_METADATA, userId, otherProps)
}
/**
* Generates a new user ID based on the passed in global ID.
* @param {string} globalId The ID of the global user.
* @returns {string} The new user ID which the user doc can be stored under.
*/
export function generateUserMetadataID(globalId: string) {
return generateRowID(InternalTable.USER_METADATA, globalId)
}
/**
* Breaks up the ID to get the global ID.
*/
export function getGlobalIDFromUserMetadataID(id: string) {
const prefix = `${DocumentType.ROW}${SEPARATOR}${InternalTable.USER_METADATA}${SEPARATOR}`
if (!id || !id.includes(prefix)) {
return id
}
return id.split(prefix)[1]
}
export function getUsersByAppParams(appId: any, otherProps: any = {}) {
const prodAppId = getProdAppID(appId)
return {
...otherProps,
startkey: prodAppId,
endkey: `${prodAppId}${UNICODE_MAX}`,
}
}
/**
* Generates a template ID.
* @param ownerId The owner/user of the template, this could be global or a workspace level.
*/
export function generateTemplateID(ownerId: any) {
return `${DocumentType.TEMPLATE}${SEPARATOR}${ownerId}${SEPARATOR}${newid()}`
}
export function generateAppUserID(prodAppId: string, userId: string) {
return `${prodAppId}${SEPARATOR}${userId}`
}
/**
* Gets parameters for retrieving templates. Owner ID must be specified, either global or a workspace level.
*/
export function getTemplateParams(
ownerId: any,
templateId: any,
otherProps = {}
) {
if (!templateId) {
templateId = ""
}
let final
if (templateId) {
final = templateId
} else {
final = `${DocumentType.TEMPLATE}${SEPARATOR}${ownerId}${SEPARATOR}`
}
return {
...otherProps,
startkey: final,
endkey: `${final}${UNICODE_MAX}`,
}
}
/**
* Generates a new role ID.
* @returns {string} The new role ID which the role doc can be stored under.
*/
export function generateRoleID(id?: any) {
return `${DocumentType.ROLE}${SEPARATOR}${id || newid()}`
}
/**
* Gets parameters for retrieving a role, this is a utility function for the getDocParams function.
*/
export function getRoleParams(roleId?: string | null, otherProps = {}) {
return getDocParams(DocumentType.ROLE, roleId, otherProps)
}
export function getStartEndKeyURL(baseKey: any, tenantId?: string) {
const tenancy = tenantId ? `${SEPARATOR}${tenantId}` : ""
return `startkey="${baseKey}${tenancy}"&endkey="${baseKey}${tenancy}${UNICODE_MAX}"`
}
/**
* if in production this will use the CouchDB _all_dbs call to retrieve a list of databases. If testing
* when using Pouch it will use the pouchdb-all-dbs package.
* opts.efficient can be provided to make sure this call is always quick in a multi-tenant environment,
* but it may not be 100% accurate in full efficiency mode (some tenantless apps may be missed).
*/
export async function getAllDbs(opts = { efficient: false }) {
const efficient = opts && opts.efficient
let dbs: any[] = []
async function addDbs(queryString?: string) {
const json = await directCouchAllDbs(queryString)
dbs = dbs.concat(json)
}
let tenantId = getTenantId()
if (!env.MULTI_TENANCY || (!efficient && tenantId === DEFAULT_TENANT_ID)) {
// just get all DBs when:
// - single tenancy
// - default tenant
// - apps dbs don't contain tenant id
// - non-default tenant dbs are filtered out application side in getAllApps
await addDbs()
} else {
// get prod apps
await addDbs(getStartEndKeyURL(DocumentType.APP, tenantId))
// get dev apps
await addDbs(getStartEndKeyURL(DocumentType.APP_DEV, tenantId))
// add global db name
dbs.push(getGlobalDBName(tenantId))
}
return dbs
}
/**
* Lots of different points in the system need to find the full list of apps, this will
* enumerate the entire CouchDB cluster and get the list of databases (every app).
*
* @return {Promise<object[]>} returns the app information document stored in each app database.
*/
export async function getAllApps({
dev,
all,
idsOnly,
efficient,
}: any = {}): Promise<App[] | string[]> {
let tenantId = getTenantId()
if (!env.MULTI_TENANCY && !tenantId) {
tenantId = DEFAULT_TENANT_ID
}
let dbs = await getAllDbs({ efficient })
const appDbNames = dbs.filter((dbName: any) => {
if (env.isTest() && !dbName) {
return false
}
const split = dbName.split(SEPARATOR)
// it is an app, check the tenantId
if (split[0] === DocumentType.APP) {
// tenantId is always right before the UUID
const possibleTenantId = split[split.length - 2]
const noTenantId =
split.length === 2 || possibleTenantId === DocumentType.DEV
return (
(tenantId === DEFAULT_TENANT_ID && noTenantId) ||
possibleTenantId === tenantId
)
}
return false
})
if (idsOnly) {
const devAppIds = appDbNames.filter(appId => isDevAppID(appId))
const prodAppIds = appDbNames.filter(appId => !isDevAppID(appId))
switch (dev) {
case true:
return devAppIds
case false:
return prodAppIds
default:
return appDbNames
}
}
const appPromises = appDbNames.map((app: any) =>
// skip setup otherwise databases could be re-created
getAppMetadata(app)
)
if (appPromises.length === 0) {
return []
} else {
const response = await Promise.allSettled(appPromises)
const apps = response
.filter(
(result: any) => result.status === "fulfilled" && result.value != null
)
.map(({ value }: any) => value)
if (!all) {
return apps.filter((app: any) => {
if (dev) {
return isDevApp(app)
}
return !isDevApp(app)
})
} else {
return apps.map((app: any) => ({
...app,
status: isDevApp(app) ? "development" : "published",
}))
}
}
}
export async function getAppsByIDs(appIds: string[]) {
const settled = await Promise.allSettled(
appIds.map(appId => getAppMetadata(appId))
)
// have to list the apps which exist, some may have been deleted
return settled
.filter(promise => promise.status === "fulfilled")
.map(promise => (promise as PromiseFulfilledResult<App>).value)
}
/**
* Utility function for getAllApps but filters to production apps only.
*/
export async function getProdAppIDs() {
const apps = (await getAllApps({ idsOnly: true })) as string[]
return apps.filter((id: any) => !isDevAppID(id))
}
/**
* Utility function for the inverse of above.
*/
export async function getDevAppIDs() {
const apps = (await getAllApps({ idsOnly: true })) as string[]
return apps.filter((id: any) => isDevAppID(id))
}
export function isSameAppID(
appId1: string | undefined,
appId2: string | undefined
) {
if (appId1 == undefined || appId2 == undefined) {
return false
}
return getProdAppID(appId1) === getProdAppID(appId2)
}
export async function dbExists(dbName: any) {
return doWithDB(
dbName,
async (db: Database) => {
return await db.exists()
},
{ skip_setup: true }
)
}
/**
* Generates a new dev info document ID - this is scoped to a user.
* @returns {string} The new dev info ID which info for dev (like api key) can be stored under.
*/
export const generateDevInfoID = (userId: any) => {
return `${DocumentType.DEV_INFO}${SEPARATOR}${userId}`
}
/**
* Generates a new plugin ID - to be used in the global DB.
* @returns {string} The new plugin ID which a plugin metadata document can be stored under.
*/
export const generatePluginID = (name: string) => {
return `${DocumentType.PLUGIN}${SEPARATOR}${name}`
}
/**
* Gets parameters for retrieving automations, this is a utility function for the getDocParams function.
*/
export const getPluginParams = (pluginId?: string | null, otherProps = {}) => {
return getDocParams(DocumentType.PLUGIN, pluginId, otherProps)
}
export function pagination(
data: any[],
pageSize: number,
{
paginate,
property,
getKey,
}: {
paginate: boolean
property: string
getKey?: (doc: any) => string | undefined
} = {
paginate: true,
property: "_id",
}
) {
if (!paginate) {
return { data, hasNextPage: false }
}
const hasNextPage = data.length > pageSize
let nextPage = undefined
if (!getKey) {
getKey = (doc: any) => (property ? doc?.[property] : doc?._id)
}
if (hasNextPage) {
nextPage = getKey(data[pageSize])
}
return {
data: data.slice(0, pageSize),
hasNextPage,
nextPage,
}
}