feat: add tags table, CRUD commands, and Pinia store

src/stores/tags.ts

@@ -0,0 +1,76 @@
+import { defineStore } from 'pinia'
+import { ref } from 'vue'
+import { invoke } from '@tauri-apps/api/core'
+
+export interface Tag {
+  id?: number
+  name: string
+  color: string
+}
+
+export const useTagsStore = defineStore('tags', () => {
+  const tags = ref<Tag[]>([])
+
+  async function fetchTags() {
+    try {
+      tags.value = await invoke<Tag[]>('get_tags')
+    } catch (error) {
+      console.error('Failed to fetch tags:', error)
+    }
+  }
+
+  async function createTag(tag: Tag): Promise<number | null> {
+    try {
+      const id = await invoke<number>('create_tag', { tag })
+      tags.value.push({ ...tag, id: Number(id) })
+      return Number(id)
+    } catch (error) {
+      console.error('Failed to create tag:', error)
+      return null
+    }
+  }
+
+  async function updateTag(tag: Tag): Promise<boolean> {
+    try {
+      await invoke('update_tag', { tag })
+      const index = tags.value.findIndex(t => t.id === tag.id)
+      if (index !== -1) tags.value[index] = tag
+      return true
+    } catch (error) {
+      console.error('Failed to update tag:', error)
+      return false
+    }
+  }
+
+  async function deleteTag(id: number): Promise<boolean> {
+    try {
+      await invoke('delete_tag', { id })
+      tags.value = tags.value.filter(t => t.id !== id)
+      return true
+    } catch (error) {
+      console.error('Failed to delete tag:', error)
+      return false
+    }
+  }
+
+  async function getEntryTags(entryId: number): Promise<Tag[]> {
+    try {
+      return await invoke<Tag[]>('get_entry_tags', { entryId })
+    } catch (error) {
+      console.error('Failed to get entry tags:', error)
+      return []
+    }
+  }
+
+  async function setEntryTags(entryId: number, tagIds: number[]): Promise<boolean> {
+    try {
+      await invoke('set_entry_tags', { entryId, tagIds })
+      return true
+    } catch (error) {
+      console.error('Failed to set entry tags:', error)
+      return false
+    }
+  }
+
+  return { tags, fetchTags, createTag, updateTag, deleteTag, getEntryTags, setEntryTags }
+})