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better caching

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This commit is contained in:
Michael Freno
2025-12-22 17:38:08 -05:00
parent 11fad35288
commit 541ee5b8b2
3 changed files with 133 additions and 92 deletions
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52
src/server/api/routers/blog.ts
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@@ -1,10 +1,12 @@
import { createTRPCRouter, publicProcedure } from "../utils";
import { ConnectionFactory } from "~/server/utils";
import { withCache } from "~/server/cache";
import { withCacheAndStale } from "~/server/cache";
const BLOG_CACHE_TTL = 24 * 60 * 60 * 1000; // 24 hours
export const blogRouter = createTRPCRouter({
getRecentPosts: publicProcedure.query(async () => {
return withCache("recent-posts", 10 * 60 * 1000, async () => {
return withCacheAndStale("blog-recent-posts", BLOG_CACHE_TTL, async () => {
// Get database connection
const conn = ConnectionFactory();
@@ -39,11 +41,14 @@ export const blogRouter = createTRPCRouter({
getPosts: publicProcedure.query(async ({ ctx }) => {
const privilegeLevel = ctx.privilegeLevel;
return withCache(`posts-${privilegeLevel}`, 5 * 60 * 1000, async () => {
const conn = ConnectionFactory();
return withCacheAndStale(
`blog-posts-${privilegeLevel}`,
BLOG_CACHE_TTL,
async () => {
const conn = ConnectionFactory();
// Fetch all posts with aggregated data
let postsQuery = `
// Fetch all posts with aggregated data
let postsQuery = `
SELECT
p.id,
p.title,
@@ -63,17 +68,17 @@ export const blogRouter = createTRPCRouter({
LEFT JOIN Comment c ON p.id = c.post_id
`;
if (privilegeLevel !== "admin") {
postsQuery += ` WHERE p.published = TRUE`;
}
if (privilegeLevel !== "admin") {
postsQuery += ` WHERE p.published = TRUE`;
}
postsQuery += ` GROUP BY p.id, p.title, p.subtitle, p.body, p.banner_photo, p.date, p.published, p.category, p.author_id, p.reads, p.attachments`;
postsQuery += ` ORDER BY p.date ASC;`;
postsQuery += ` GROUP BY p.id, p.title, p.subtitle, p.body, p.banner_photo, p.date, p.published, p.category, p.author_id, p.reads, p.attachments`;
postsQuery += ` ORDER BY p.date ASC;`;
const postsResult = await conn.execute(postsQuery);
const posts = postsResult.rows;
const postsResult = await conn.execute(postsQuery);
const posts = postsResult.rows;
const tagsQuery = `
const tagsQuery = `
SELECT t.value, t.post_id
FROM Tag t
JOIN Post p ON t.post_id = p.id
@@ -81,16 +86,17 @@ export const blogRouter = createTRPCRouter({
ORDER BY t.value ASC
`;
const tagsResult = await conn.execute(tagsQuery);
const tags = tagsResult.rows;
const tagsResult = await conn.execute(tagsQuery);
const tags = tagsResult.rows;
const tagMap: Record<string, number> = {};
tags.forEach((tag: any) => {
const key = `${tag.value}`;
tagMap[key] = (tagMap[key] || 0) + 1;
});
const tagMap: Record<string, number> = {};
tags.forEach((tag: any) => {
const key = `${tag.value}`;
tagMap[key] = (tagMap[key] || 0) + 1;
});
return { posts, tags, tagMap, privilegeLevel };
});
return { posts, tags, tagMap, privilegeLevel };
}
);
})
});