From 254c5be8f5b4cbc38da25f777101c49e9bbf481c Mon Sep 17 00:00:00 2001
From: thomasabishop <thomasabishop@tuta.com>
Date: Thu, 17 Jul 2025 17:57:11 +0100
Subject: [PATCH] feat: add get_all_entries_for_tag method

---
 src/controllers/EntriesController.js | 12 ++++++++++++
 src/routes/entries.js                |  2 +-
 src/services/EntriesService.js       | 18 +++++++++++++++++-
 src/sql/entries.js                   |  4 +++-
 4 files changed, 33 insertions(+), 3 deletions(-)

diff --git a/src/controllers/EntriesController.js b/src/controllers/EntriesController.js
index fecdd88..3c85684 100644
--- a/src/controllers/EntriesController.js
+++ b/src/controllers/EntriesController.js
@@ -28,4 +28,16 @@ export default class EntriesController {
 
         return res.json(entries)
     }
+
+    getEntriesForTag = (req, res) => {
+        const tag = req.params.tag
+        const sort = req.query.sort
+        const entries = this.entriesService.getEntriesForTag(tag, sort)
+        if (!entries) {
+            return res.status(404).json({
+                message: `Could not retrieve entries for tag ${tag}`,
+            })
+        }
+        return res.json(entries)
+    }
 }
diff --git a/src/routes/entries.js b/src/routes/entries.js
index b5652af..bf486b6 100644
--- a/src/routes/entries.js
+++ b/src/routes/entries.js
@@ -9,5 +9,5 @@ const entriesController = new EntriesController(entriesService)
 
 router.get("/", entriesController.getAllEntries)
 router.get("/:title", entriesController.getEntry)
-
+router.get("/tag/:tag", entriesController.getEntriesForTag)
 export default router
diff --git a/src/services/EntriesService.js b/src/services/EntriesService.js
index d65b51d..5c51699 100644
--- a/src/services/EntriesService.js
+++ b/src/services/EntriesService.js
@@ -1,5 +1,5 @@
 import { sortByDate, sortByTitle } from "../lib/sorters.js"
-import { GET_ALL_ENTRIES, GET_ENTRY } from "../sql/entries.js"
+import { GET_ALL_ENTRIES, GET_ENTRY, GET_ENTRIES_FOR_TAG } from "../sql/entries.js"
 
 export default class EntriesService {
     database
@@ -23,4 +23,20 @@ export default class EntriesService {
             entries: sort === "date" ? sortByDate(entries) : sortByTitle(entries),
         }
     }
+
+    getEntriesForTag = (tag, sort) => {
+        const entries = this.database.prepare(GET_ENTRIES_FOR_TAG).all(tag)
+        return {
+            count: entries.length,
+            entries: sort === "date" ? this._sortByDate(entries) : this._sortByTitle(entries, "entry_title"),
+        }
+    }
+
+    _sortByTitle = (entries, fieldName) => {
+        return entries.sort((a, b) => a[fieldName].localeCompare(b[fieldName]))
+    }
+
+    _sortByDate = (entries, fieldName = last_modified) => {
+        return entries.sort((a, b) => new Date(b[fieldName]) - new Date(a[fieldName]))
+    }
 }
diff --git a/src/sql/entries.js b/src/sql/entries.js
index a5f1709..9272547 100644
--- a/src/sql/entries.js
+++ b/src/sql/entries.js
@@ -2,4 +2,6 @@ const GET_ENTRY = `SELECT * FROM entries WHERE title = ?`
 
 const GET_ALL_ENTRIES = `SELECT title, last_modified FROM entries`
 
-export { GET_ENTRY, GET_ALL_ENTRIES }
+const GET_ENTRIES_FOR_TAG = `SELECT entry_title from entries_tags WHERE tag_name = ?`
+
+export { GET_ENTRY, GET_ALL_ENTRIES, GET_ENTRIES_FOR_TAG }