feat: complete day 15

2025-07-18 21:34:29 +01:00
parent 9113ba4c74
commit cbbb0ed4c4
4 changed files with 143 additions and 0 deletions
@@ -0,0 +1,100 @@
+require("dotenv").config();
+const express = require("express");
+const bodyParser = require("body-parser");
+const { User, Post, sequelize } = require("./models");
+
+const app = express();
+app.use(bodyParser.json());
+
+// Helper to get model by resource name
+const models = { users: User, posts: Post };
+
+// Sync DB
+sequelize.sync();
+
+// TreeQL-style dynamic GET
+app.get("/:resource/:id?/:subresource?", async (req, res) => {
+  const { resource, id, subresource } = req.params;
+  const Model = models[resource];
+  if (!Model) return res.status(404).json({ error: "Resource not found" });
+
+  try {
+    if (id) {
+      const instance = await Model.findByPk(
+        id,
+        subresource ? { include: subresource } : {}
+      );
+      if (!instance) return res.status(404).json({ error: "Not found" });
+      if (subresource && instance[subresource]) {
+        return res.json(instance[subresource]);
+      }
+      return res.json(instance);
+    } else {
+      const all = await Model.findAll();
+      return res.json(all);
+    }
+  } catch (e) {
+    return res.status(500).json({ error: e.message });
+  }
+});
+
+// TreeQL-style POST (create resource or subresource)
+app.post("/:resource/:id?/:subresource?", async (req, res) => {
+  const { resource, id, subresource } = req.params;
+  const Model = models[resource];
+  if (!Model) return res.status(404).json({ error: "Resource not found" });
+
+  try {
+    if (id && subresource) {
+      // e.g. POST /users/1/posts
+      const parent = await models[resource].findByPk(id);
+      if (!parent) return res.status(404).json({ error: "Parent not found" });
+      const childModel = models[subresource];
+      if (!childModel)
+        return res.status(404).json({ error: "Subresource not found" });
+      const child = await childModel.create({ ...req.body, UserId: id });
+      return res.status(201).json(child);
+    } else {
+      // e.g. POST /users
+      const instance = await Model.create(req.body);
+      return res.status(201).json(instance);
+    }
+  } catch (e) {
+    return res.status(500).json({ error: e.message });
+  }
+});
+
+// TreeQL-style PUT (update resource)
+app.put("/:resource/:id", async (req, res) => {
+  const { resource, id } = req.params;
+  const Model = models[resource];
+  if (!Model) return res.status(404).json({ error: "Resource not found" });
+
+  try {
+    const instance = await Model.findByPk(id);
+    if (!instance) return res.status(404).json({ error: "Not found" });
+    await instance.update(req.body);
+    return res.json(instance);
+  } catch (e) {
+    return res.status(500).json({ error: e.message });
+  }
+});
+
+// TreeQL-style DELETE (delete resource)
+app.delete("/:resource/:id", async (req, res) => {
+  const { resource, id } = req.params;
+  const Model = models[resource];
+  if (!Model) return res.status(404).json({ error: "Resource not found" });
+
+  try {
+    const instance = await Model.findByPk(id);
+    if (!instance) return res.status(404).json({ error: "Not found" });
+    await instance.destroy();
+    return res.json({ success: true });
+  } catch (e) {
+    return res.status(500).json({ error: e.message });
+  }
+});
+
+const PORT = process.env.PORT || 3000;
+app.listen(PORT, () => console.log(`TreeQL API running on port ${PORT}`));