calendar now indicates whether date note already exists or not + tooltip

src/routes/api/date_notes.js

@@ -1,6 +1,7 @@
 "use strict";
 
 const dateNoteService = require('../../services/date_notes');
+const sql = require('../../services/sql');
 
 async function getDateNote(req) {
     return await dateNoteService.getDateNote(req.params.date);
@@ -14,8 +15,25 @@ async function getYearNote(req) {
     return await dateNoteService.getYearNote(req.params.year);
 }
 
+async function getDateNotesForMonth(req) {
+    const month = req.params.month;
+
+    return sql.getMap(`
+        SELECT
+            attr.value AS date,
+            notes.noteId
+        FROM notes
+        JOIN attributes attr USING(noteId)
+        WHERE notes.isDeleted = 0
+            AND attr.isDeleted = 0
+            AND attr.type = 'label'
+            AND attr.name = 'dateNote'
+            AND attr.value LIKE '${month}%'`);
+}
+
 module.exports = {
     getDateNote,
     getMonthNote,
-    getYearNote
+    getYearNote,
+    getDateNotesForMonth
 };