favorite: v0.1

app/store/favorites.ts

@@ -0,0 +1,52 @@
+import { defineStore } from 'pinia'
+import type { Track } from '~/../types/types'
+
+export const FAVORITES_BOX_ID = 'FAV'
+const STORAGE_KEY = 'evilspins:favorites:v1'
+
+export const useFavoritesStore = defineStore('favorites', {
+  state: () => ({
+    trackIds: [] as number[]
+  }),
+  actions: {
+    load() {
+      if (!process.client) return
+      try {
+        const raw = localStorage.getItem(STORAGE_KEY)
+        if (raw) {
+          const arr = JSON.parse(raw)
+          if (Array.isArray(arr)) this.trackIds = arr.filter((x) => typeof x === 'number')
+        }
+      } catch {}
+    },
+    save() {
+      if (!process.client) return
+      try {
+        localStorage.setItem(STORAGE_KEY, JSON.stringify(this.trackIds))
+      } catch {}
+    },
+    toggle(track: Track) {
+      const id = track.id
+      const idx = this.trackIds.indexOf(id)
+      if (idx >= 0) this.trackIds.splice(idx, 1)
+      else this.trackIds.unshift(id)
+      this.save()
+    },
+    add(track: Track) {
+      if (!this.trackIds.includes(track.id)) {
+        this.trackIds.unshift(track.id)
+        this.save()
+      }
+    },
+    remove(trackId: number) {
+      const idx = this.trackIds.indexOf(trackId)
+      if (idx >= 0) {
+        this.trackIds.splice(idx, 1)
+        this.save()
+      }
+    },
+    isFavorite(trackId: number) {
+      return this.trackIds.includes(trackId)
+    }
+  }
+})