From 162615f7899c669b1739aaea25faa7e2dcb8d5d5 Mon Sep 17 00:00:00 2001
From: Dallas Hoffman <dallashoff@gmail.com>
Date: Thu, 28 Sep 2023 00:55:41 -0400
Subject: [PATCH] Tag suggestions

---
 src/lib/components/notes/note-card.svelte |  2 +-
 src/lib/components/notes/note-tags.svelte | 28 +++++++++++++++++++----
 src/lib/stores/note-tags.ts               | 19 ++++++++++++++-
 3 files changed, 43 insertions(+), 6 deletions(-)

diff --git a/src/lib/components/notes/note-card.svelte b/src/lib/components/notes/note-card.svelte
index b5c6775..38b9d5c 100644
--- a/src/lib/components/notes/note-card.svelte
+++ b/src/lib/components/notes/note-card.svelte
@@ -40,7 +40,7 @@
 			<NoteTagButton on:click={focusTags} />
 		</div>
 		<div hidden={!showTags && $noteTags.length === 0}>
-			<NoteTags {noteTags} bind:this={tagsComponent} />
+			<NoteTags {note} {noteTags} bind:this={tagsComponent} />
 		</div>
 	</header>
 	<div class="note-card__body" class:note-card__body--editing={$editing}>
diff --git a/src/lib/components/notes/note-tags.svelte b/src/lib/components/notes/note-tags.svelte
index a8daf40..3873408 100644
--- a/src/lib/components/notes/note-tags.svelte
+++ b/src/lib/components/notes/note-tags.svelte
@@ -1,9 +1,11 @@
 <script lang="ts">
 	import FaXmark from '$icon/fa-xmark.svelte';
 	import type { NoteTagsStore } from '$lib/stores/note-tags';
+	import type { Note } from '$lib/stores/notes';
 	import type { Tag } from '$lib/stores/tags';
 	import Button from '../button.svelte';
 
+	export let note: Note;
 	export let noteTags: NoteTagsStore;
 
 	export function focusTextbox() {
@@ -12,14 +14,22 @@
 
 	let textbox: HTMLInputElement;
 	let newTagLabel: string = '';
+	let suggestions: string[] = [];
 
-	function addTag(event: KeyboardEvent) {
+	async function onKeyup(event: KeyboardEvent) {
 		if (event.key === 'Enter') {
-			noteTags.add({ label: newTagLabel });
-			newTagLabel = '';
+			addTag();
+		} else {
+			suggestions = await noteTags.search(newTagLabel);
 		}
 	}
 
+	function addTag() {
+		noteTags.add({ label: newTagLabel });
+		newTagLabel = '';
+		suggestions = [];
+	}
+
 	function removeTag(tagId: Tag['id']) {
 		noteTags.remove(tagId);
 	}
@@ -49,9 +59,15 @@
 			bind:this={textbox}
 			name="newTag"
 			aria-label="New tag"
+			list={`note-tag--${note.id}`}
 			bind:value={newTagLabel}
-			on:keypress={addTag}
+			on:keyup={onKeyup}
 		/>
+		<datalist id={`note-tag--${note.id}`}>
+			{#each suggestions as suggestion}
+				<option value={suggestion} />
+			{/each}
+		</datalist>
 	</div>
 </div>
 
@@ -115,6 +131,10 @@
 				&:focus {
 					border: 1px solid hsl(0 0% 0% / 0.4);
 				}
+
+				&::-webkit-calendar-picker-indicator {
+					display: none !important;
+				}
 			}
 		}
 	}
diff --git a/src/lib/stores/note-tags.ts b/src/lib/stores/note-tags.ts
index ce78054..d8dc0be 100644
--- a/src/lib/stores/note-tags.ts
+++ b/src/lib/stores/note-tags.ts
@@ -1,4 +1,4 @@
-import { writable, type Readable } from 'svelte/store';
+import { writable, type Readable, get } from 'svelte/store';
 import type { Note, NotesStore } from './notes';
 import { db } from '$lib/db/client';
 import type { Tag, NewTag, TagsStore } from './tags';
@@ -77,4 +77,21 @@ export class NoteTagsStore implements Readable<Tag[]> {
 		this.notes.refreshNotes();
 		this.tags.refreshTags();
 	};
+
+	search = async (searchString: string): Promise<string[]> => {
+		if (!searchString) {
+			return [];
+		}
+
+		const currentTags = get(this.noteTags).map((tag) => tag.label);
+		const results = await db
+			.selectFrom('tag')
+			.select('label')
+			.where('label', 'like', `%${searchString}%`)
+			.where('label', 'not in', [...currentTags, searchString])
+			.limit(10)
+			.execute();
+
+		return results.map((result) => result.label);
+	};
 }