feat: enhance SSR cache management with dependency tracking and entry-level invalidation

This commit is contained in:
2026-02-25 17:35:10 +00:00
parent 3886eb9f34
commit 3b84e49383
8 changed files with 96 additions and 86 deletions

View File

@@ -1,14 +0,0 @@
const generateUrlString = (text) => {
if (text) {
return text
.replace(/[^a-zA-Z0-9 \/]/g, "")
.replace(/\s/g, "-")
.toLowerCase()
}
return ""
}
module.exports = {
generateUrlString,
}

View File

@@ -13,6 +13,10 @@ const { apiSsrBaseURL, ssrPublishCheckCollections } = require("../config")
function ssrRequest(cacheKey, endpoint, query, options) {
let url = endpoint + (query ? "?" + query : "")
// track which collections/entries contribute to this SSR render
// endpoint may contain path segments (e.g. "content/abc123") or query strings
const collectionName = endpoint.split("?")[0].split("/")[0]
if (ssrPublishCheckCollections?.includes(endpoint)) {
// @ts-ignore
let validUntil = context.ssrCacheValidUntil
@@ -63,6 +67,29 @@ function ssrRequest(cacheKey, endpoint, query, options) {
// json is go data structure and incompatible with js, so we need to convert it
const r = { data: JSON.parse(JSON.stringify(json)), count: count }
// track dependencies: "col:id" for single-entry, "col:*" for list queries
// @ts-ignore dynamic property set by get_read.js
if (context.ssrDeps) {
let entryId = null
if (!Array.isArray(r.data) && r.data && r.data.id) {
// direct ID lookup (COLLECTION/ID) API returned single object
entryId = r.data.id
} else if (options?.limit === 1 && Array.isArray(r.data) && r.data.length === 1 && r.data[0] && r.data[0].id) {
// filter-based detail query with limit:1
entryId = r.data[0].id
}
if (entryId) {
// @ts-ignore
context.ssrDeps[collectionName + ":" + entryId] = true
} else {
// list query any change to this collection affects this page
// @ts-ignore
context.ssrDeps[collectionName + ":*"] = true
}
}
// @ts-ignore
context.ssrCache[cacheKey] = r

View File

@@ -1,5 +1,3 @@
const { cryptchaSiteId } = require("../config-client")
/**
*
* @param {any} str
@@ -9,81 +7,44 @@ function log(str) {
}
/**
* convert object to string
* @param {any} obj object
* @returns {string}
*/
function obj2str(obj) {
if (Array.isArray(obj)) {
return JSON.stringify(
obj.map(function (idx) {
return obj2str(idx)
})
)
} else if (typeof obj === "object" && obj !== null) {
var elements = Object.keys(obj)
.sort()
.map(function (key) {
var val = obj2str(obj[key])
if (val) {
return key + ":" + val
}
})
var elementsCleaned = []
for (var i = 0; i < elements.length; i++) {
if (elements[i]) elementsCleaned.push(elements[i])
}
return "{" + elementsCleaned.join("|") + "}"
}
if (obj) return obj
}
/**
* clear SSR cache
* clear SSR cache entry-level invalidation
*
* Dependencies are stored as strings: "col:id" (detail) or "col:*" (list).
* - POST (new entry): only list deps affected → delete where "col:*"
* - PUT/DELETE (entry): detail + list deps affected → delete where "col:id" OR "col:*"
* - No args: full wipe (manual clear)
*
* @param {string} [collectionName] - collection name
* @param {string} [entryId] - specific entry ID (for PUT/DELETE)
* @param {string} [method] - HTTP method (POST/PUT/DELETE)
* @returns {number}
*/
function clearSSRCache() {
var info = context.db.deleteMany("ssr", {})
context.response.header("X-SSR-Cleared", info.removed)
return info.removed
}
function clearSSRCache(collectionName, entryId, method) {
/** @type {any} */
let filter = {}
const m = method ? method.toUpperCase() : ""
function cryptchaCheck() {
const solutionId = context.data._sId
const solution = context.data._s
const body = JSON.stringify({ solution: solution })
console.log(body)
const resp = context.http.fetch(
"https://cryptcha.webmakers.de/api/command?siteId=" +
cryptchaSiteId +
"&cmd=check&clear=1&solutionId=" +
solutionId,
{
method: "POST",
body,
headers: { "Content-Type": "application/json" },
}
)
const j = resp.body.json()
const corrent = j.status == "ok" && resp.status == 200
if (!corrent) {
throw {
status: 400,
log: false,
error: "incorrect data",
if (collectionName && entryId && (m === "PUT" || m === "DELETE")) {
// entry updated or deleted: invalidate pages that reference this specific entry OR list this collection
filter = {
$or: [{ dependencies: collectionName + ":" + entryId }, { dependencies: collectionName + ":*" }],
}
} else if (collectionName) {
// new entry (POST) or unknown method: invalidate all pages that list this collection
filter = { dependencies: collectionName + ":*" }
}
return true
// else: no args → full wipe (empty filter)
// @ts-ignore filter uses MongoDB operators not in DbReadOptions type
const info = context.db.deleteMany("ssr", { filter: filter })
context.response.header("X-SSR-Cleared", info.removed)
if (collectionName) {
context.response.header("X-SSR-Cleared-Collection", collectionName)
}
return info.removed
}
module.exports = {
log,
clearSSRCache,
obj2str,
cryptchaCheck,
}