From 672987a2fa7a8092c90678474f73969b7736bf75 Mon Sep 17 00:00:00 2001
From: thomasabishop <thomasabishop@tuta.com>
Date: Mon, 14 Jul 2025 17:41:55 +0100
Subject: [PATCH] feat: create Tag resource with first route

---
 src/controllers/EntriesController.js |  2 +-
 src/controllers/TagsController.js    | 18 ++++++++++++++++++
 src/index.js                         |  5 ++++-
 src/routes/entries.js                |  4 ++--
 src/routes/tags.js                   | 12 ++++++++++++
 src/services/EntriesService.js       |  2 +-
 src/services/TagsService.js          | 18 ++++++++++++++++++
 src/sql/tags.js                      |  3 +++
 8 files changed, 59 insertions(+), 5 deletions(-)
 create mode 100644 src/controllers/TagsController.js
 create mode 100644 src/routes/tags.js
 create mode 100644 src/services/TagsService.js
 create mode 100644 src/sql/tags.js

diff --git a/src/controllers/EntriesController.js b/src/controllers/EntriesController.js
index e7c96a2..fecdd88 100644
--- a/src/controllers/EntriesController.js
+++ b/src/controllers/EntriesController.js
@@ -1,4 +1,4 @@
-export class EntriesController {
+export default class EntriesController {
     entriesService
 
     constructor(entriesService) {
diff --git a/src/controllers/TagsController.js b/src/controllers/TagsController.js
new file mode 100644
index 0000000..127c74e
--- /dev/null
+++ b/src/controllers/TagsController.js
@@ -0,0 +1,18 @@
+export default class TagsController {
+	tagsService
+
+	constructor(tagsService) {
+		this.tagsService = tagsService
+	}
+
+	getAllTags = (req, res) => {
+		const tags = this.tagsService.getAllTags()
+		if (!tags) {
+			return res.status(404).json({
+				message: `Tags list could not be retrieved`,
+			})
+		}
+
+		return res.json(tags)
+	}
+}
diff --git a/src/index.js b/src/index.js
index 28789c8..ccf59fa 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,12 +1,15 @@
 import express from "express"
 import entries from "./routes/entries.js"
+import tags from "./routes/tags.js"
+
 const app = express()
 
 const port = process.env.PORT || 3000
 
 app.use(express.json())
 app.use("/entries", entries)
+app.use("/tags", tags)
 
 app.listen(port, () => {
-	console.info(`INFO Server running at http://localhost:${port}`)
+    console.info(`INFO Server running at http://localhost:${port}`)
 })
diff --git a/src/routes/entries.js b/src/routes/entries.js
index a629150..b5652af 100644
--- a/src/routes/entries.js
+++ b/src/routes/entries.js
@@ -1,6 +1,6 @@
 import express from "express"
-import { EntriesService } from "../services/EntriesService.js"
-import { EntriesController } from "../controllers/EntriesController.js"
+import EntriesService from "../services/EntriesService.js"
+import EntriesController from "../controllers/EntriesController.js"
 import database from "../db/connection.js"
 
 const router = express.Router()
diff --git a/src/routes/tags.js b/src/routes/tags.js
new file mode 100644
index 0000000..df77e3e
--- /dev/null
+++ b/src/routes/tags.js
@@ -0,0 +1,12 @@
+import express from "express"
+import TagsService from "../services/TagsService.js"
+import TagsController from "../controllers/TagsController.js"
+import database from "../db/connection.js"
+
+const router = express.Router()
+const tagsService = new TagsService(database)
+const tagsController = new TagsController(tagsService)
+
+router.get("/", tagsController.getAllTags)
+
+export default router
diff --git a/src/services/EntriesService.js b/src/services/EntriesService.js
index c569bd2..a4c8e50 100644
--- a/src/services/EntriesService.js
+++ b/src/services/EntriesService.js
@@ -1,7 +1,7 @@
 import { sortByDate, sortByTitle } from "../lib/sorters.js"
 import { GET_ALL_ENTRIES, GET_ENTRY } from "../sql/entries.js"
 
-export class EntriesService {
+export default class EntriesService {
     database
 
     constructor(database) {
diff --git a/src/services/TagsService.js b/src/services/TagsService.js
new file mode 100644
index 0000000..6447bed
--- /dev/null
+++ b/src/services/TagsService.js
@@ -0,0 +1,18 @@
+import { GET_ALL_TAGS } from "../sql/tags.js"
+
+export default class TagsService {
+    database
+
+    constructor(database) {
+        this.database = database
+    }
+
+    sortTags = (tags) => {
+        return tags.sort((a, b) => a.name.localeCompare(b.name))
+    }
+
+    getAllTags = () => {
+        const tags = this.sortTags(this.database.prepare(GET_ALL_TAGS).all()).flatMap((tag) => tag.name)
+        return { count: tags.length, tags: tags }
+    }
+}
diff --git a/src/sql/tags.js b/src/sql/tags.js
new file mode 100644
index 0000000..a0f8f4c
--- /dev/null
+++ b/src/sql/tags.js
@@ -0,0 +1,3 @@
+const GET_ALL_TAGS = `SELECT name FROM tags`
+
+export { GET_ALL_TAGS }