feat: setup DB connection and Entries resource

src/controllers/EntriesController.js

@@ -5,7 +5,27 @@ export class EntriesController {
         this.entriesService = entriesService
     }
 
-    getEntry = async (req, res) => {
-        const response = await this.entriesService.getEntry()
+    getEntry = (req, res) => {
+        const title = req.params.title
+        const entry = this.entriesService.getEntry(title)
+        if (!entry) {
+            return res.status(404).json({
+                message: `No entry found with title ${title}`,
+            })
+        }
+
+        return res.json(entry)
+    }
+
+    getAllEntries = (req, res) => {
+        const { sort, limit } = req.query
+        const entries = this.entriesService.getAllEntries(sort, limit)
+        if (!entries) {
+            return res.status(404).json({
+                message: `Entries list could not be retrieved`,
+            })
+        }
+
+        return res.json(entries)
     }
 }

src/db/connection.js

@@ -0,0 +1,7 @@
+import { DatabaseSync } from "node:sqlite"
+
+const DATABASE_PATH = "/home/thomas/repos/eolas-api/data/eolas.db"
+
+const database = new DatabaseSync(DATABASE_PATH)
+
+export default database

src/index.js

@@ -1,7 +1,8 @@
 import express from "express"
-import entries from "./routes/entries"
+import entries from "./routes/entries.js"
 const app = express()
-const port = 3000
+
+const port = process.env.PORT || 3000
 
 app.use(express.json())
 app.use("/entries", entries)

src/lib/sorters.js

@@ -0,0 +1,9 @@
+const sortByDate = (entries) => {
+	return entries.sort((a, b) => new Date(b.last_modified) - new Date(a.last_modified))
+}
+
+const sortByTitle = (entries) => {
+	return entries.sort((a, b) => a.title.localeCompare(b.title))
+}
+
+export { sortByDate, sortByTitle }

src/routes/entries.js

@@ -1,12 +1,13 @@
 import express from "express"
-import { EntriesService } from "../services/EntriesService"
-import { EntriesController } from "../controllers/EntriesController"
-import { EntriesService } from "../services/EntriesService"
+import { EntriesService } from "../services/EntriesService.js"
+import { EntriesController } from "../controllers/EntriesController.js"
+import database from "../db/connection.js"
 
 const router = express.Router()
-const entriesService = new EntriesService()
+const entriesService = new EntriesService(database)
 const entriesController = new EntriesController(entriesService)
 
-router.get("/:entry", entriesController.getEntry)
+router.get("/", entriesController.getAllEntries)
+router.get("/:title", entriesController.getEntry)
 
 export default router

src/services/EntriesService.js

@@ -1,7 +1,27 @@
-export class EntriesService {
-	// TODO add DatabaseConnectorService
+import { sortByDate, sortByTitle } from "../lib/sorters.js"
+import { GET_ALL_ENTRIES, GET_ENTRY } from "../sql/entries.js"
 
-	getEntry = async () => {
-		return "API is working"
+export class EntriesService {
+    database
+
+    constructor(database) {
+        this.database = database
+    }
+
+    getEntry = (title) => {
+        return this.database.prepare(GET_ENTRY).get(title)
+    }
+
+    getAllEntries = (sort, limit) => {
+        const entries = this.database
+            .prepare(GET_ALL_ENTRIES)
+            .all()
+            .slice(0, Number(limit) || -1)
+
+        if (sort === "date") {
+            return sortByDate(entries)
+        }
+
+        return sortByTitle(entries)
     }
 }

src/sql/entries.js

@@ -0,0 +1,5 @@
+const GET_ENTRY = `SELECT * FROM entries WHERE title = ?`
+
+const GET_ALL_ENTRIES = `SELECT title, last_modified FROM entries`
+
+export { GET_ENTRY, GET_ALL_ENTRIES }