querybuilder intensifies

src/inc/routes/apiv1.mjs

@@ -1,80 +1,32 @@
 import router from "../router.mjs";
 import sql from "../sql.mjs";
-import { parse } from "url";
-import cfg from "../../../config.json";
 
-import { mimes, queries } from "./inc/apiv1.mjs";
+const allowedMimes = [ "audio", "image", "video", "%" ];
 
 router.get("/api/v1", (req, res) => {
   res.end("api lol");
 });
 
 router.get(/^\/api\/v1\/random(\/user\/.+|\/image|\/video|\/audio)?$/, async (req, res) => {
-  const args = [];
-  let q = queries.random.main;
-  
-  if(req.url.split[3] === "user") {
-    q += queries.random.where("username like ?");
-    args.push(req.url.split[4] || "flummi");
-  }
-  else
-    q += queries.random.where(mimes[req.url.split[3]] ? mimes[req.url.split[3]].map(mime => `mime = "${mime}"`).join(" or ") : null);
+  const user = req.url.split[3] === "user" ? req.url.split[4] : "%";
+  const mime = (allowedMimes.filter(n => req.url.split[3]?.startsWith(n))[0] ? req.url.split[3] : "") + "%";
 
-  try {
-    const rows = await sql.query(q, args);
-    res
-      .writeHead(200, { "Content-Type": "application/json" })
-      .end(JSON.stringify(rows.length > 0 ? rows[0] : []), "utf-8");
-  } catch(err) {
-    res
-      .writeHead(500)
-      .end(JSON.stringify(err), "utf-8");
-  }
-});
+  const rows = await sql("items").orderByRaw("rand()").limit(1).where("mime", "like", mime).andWhere("username", "like", user);
 
-router.get("/api/v1/p", async (req, res) => {
-  let id = parseInt(req.url.qs.id) || 99999999;
-  const eps = Math.min(parseInt(req.url.qs.eps) || 100, 200);
-  let [ order, trend ] = req.url.qs.order === "asc" ? [ "asc", ">" ] : [ "desc", "<" ];
-
-  try {
-    const tmp = (await sql.query("select min(id) as min, max(id) as max from items limit 1"))[0];
-    if((id - 1 + eps) > tmp.max) {
-      id = tmp.max;
-      [ order, trend ] = [ "desc", "<=" ];
-    }
-    if((id + 1 - eps) < tmp.min) {
-      id = tmp.min;
-      [ order, trend ] = [ "asc", ">=" ];
-    }
-
-    const rows = await sql.query(queries.p(trend, order), [ id, eps ]);
-    const items = {
-      items: rows,
-      first: rows[0].id,
-      last: rows[rows.length - 1].id,
-      newest: tmp.max,
-      oldest: tmp.min
-    };
-    res
-      .writeHead(200, { "Content-Type": "application/json" })
-      .end(JSON.stringify(items), "utf-8");
-  } catch(err) {
-    console.error(err);
-    res
-      .writeHead(500)
-      .end(JSON.stringify(err), "utf-8");
-  }
+  res
+    .writeHead(200, { "Content-Type": "application/json" })
+    .end(JSON.stringify(rows.length > 0 ? rows[0] : []), "utf-8");
 });
 
 router.get(/^\/api\/v1\/p\/([0-9]+)/, async (req, res) => { // legacy
   let eps = 100;
   let id = +req.url.split[3];
 
-  const query = await sql.query("select * from items where id < ? order by id desc limit ?", [ id, eps ]);
+  const rows = await sql("items").where("id", "<", id).orderBy("id", "desc").limit(eps);
+
   const items = {
-    items: query,
-    last: query[query.length - 1].id
+    items: rows,
+    last: rows[rows.length - 1].id
   };
 
   res.writeHead(200, { "Content-Type": "application/json" });
@@ -82,33 +34,40 @@ router.get(/^\/api\/v1\/p\/([0-9]+)/, async (req, res) => { // legacy
 });
 
 router.get(/^\/api\/v1\/item\/[0-9]+$/, async (req, res) => {
-  try {
-    const rows = await sql.query(queries.item, Array(3).fill(req.url.split[3]));
-    res.reply({
-      type: "application/json",
-      body: JSON.stringify(rows?.shift() || [])
-    });
-  } catch(err) {
-    res.reply({
-      code: 500,
-      body: JSON.stringify(err)
-    });
-  }
+  const id = +req.url.split[3];
+
+  const item = await sql("items").where("id", id).limit(1);
+  const next = await sql("items").select("id").where("id", ">", id).orderBy("id").limit(1);
+  const prev = await sql("items").select("id").where("id", "<", id).orderBy("id", "desc").limit(1);
+
+  if(item.length === 0)
+    return "nope";
+
+  const rows = {
+    ...item[0],
+    ...{
+      next: next[0]?.id ?? null,
+      prev: prev[0]?.id ?? null
+    }
+  };
+  res.reply({
+    type: "application/json",
+    body: JSON.stringify(rows)
+  });
 });
 
 router.get(/^\/api\/v1\/user\/.*(\/[0-9]+)?$/, async (req, res) => { // auf qs umstellen
   const user = req.url.split[3];
-  const eps = Math.min(req.url.split[4] || 50, 50);
-  try {
-    const rows = await sql.query(queries.user, [ user, eps ]);
-    res.reply({
-      type: "application/json",
-      body: JSON.stringify(rows.length > 0 ? rows : [])
-    });
-  } catch(err) {
-    res.reply({
-      code: 500,
-      body: JSON.stringify(err)
-    });
-  }
+  const eps = +req.url.split[4] || 50;
+
+  const rows = await sql("items")
+    .select("id", "mime", "size", "src", "stamp", "userchannel", "username", "usernetwork")
+    .where("username", user)
+    .orderBy("stamp", "desc")
+    .limit(eps);
+    
+  res.reply({
+    type: "application/json",
+    body: JSON.stringify(rows.length > 0 ? rows : [])
+  });
 });