diff --git a/src/store/index.ts b/src/store/index.ts
index 187b4cb..765e2f0 100644
--- a/src/store/index.ts
+++ b/src/store/index.ts
@@ -1,8 +1,40 @@
 import { createStore } from "vuex";
 
 export default createStore({
-  state: {},
-  mutations: {},
-  actions: {},
+  state: () => ({
+    user: {
+      favourites: Array<{ id: string }>()
+    }
+  }),
+  getters: {
+    // Returns the number of favs for the user
+    favCount: (state): number => {
+      return state.user.favourites.length;
+    },
+    // Returns true if celestial is fav
+    isAlreadyFav: state => (celestialId: string) => {
+      return state.user.favourites.find(fav => fav.id === celestialId);
+    }
+  },
+  mutations: {
+    addFav: (state, celestialId: string) => {
+      state.user.favourites.push({ id: celestialId });
+    },
+    removeFav: (state, celestialId: string) => {
+      state.user.favourites = state.user.favourites.filter(fav => fav.id != celestialId);
+    }
+  },
+  actions: {
+    toggleFav: ({ commit, getters }, celestialId: string) => {
+      // If the celestial is not faved
+      if (!getters.isAlreadyFav(celestialId)) {
+        // ... favs it
+        commit("addFav", celestialId);
+      } else {
+        // ...else unfavs
+        commit("removeFav", celestialId);
+      }
+    }
+  },
   modules: {}
 });
diff --git a/src/views/celestials/Celestial.vue b/src/views/celestials/Celestial.vue
index 576553e..50cb7cc 100644
--- a/src/views/celestials/Celestial.vue
+++ b/src/views/celestials/Celestial.vue
@@ -1,6 +1,6 @@
 <template>
   <section class="celestial bg-image">
-    <div v-if="loaded">
+    <div v-if="celestialLoaded">
       <header>
         <h1 class="heading-1">{{ celestial.name }}</h1>
       </header>
@@ -8,6 +8,7 @@
         <div v-if="error">Une erreur est survenue : {{ error }}</div>
         <div>{{ celestial }}</div>
       </div>
+      <button @click="toggleFav(celestial.id)">Favourite</button>
     </div>
     <div v-else>
       <nest-loader />
@@ -18,8 +19,11 @@
 <script lang="ts">
 import { defineComponent } from "vue";
 
+import store from "@/store";
+
 // API
 import { fetchCelestial } from "@/api/le-systeme-solaire";
+// import { fetchWikipediaExcerpt } from "@/api/wikipedia";
 
 // Global methods
 import { addCelestialType } from "@/plugins/methods";
@@ -33,8 +37,9 @@ export default defineComponent({
 
   data() {
     return {
-      celestial: false,
-      loaded: false,
+      celestial: {},
+      celestialLoaded: false,
+      excerpt: "",
       error: ""
     };
   },
@@ -50,15 +55,23 @@ export default defineComponent({
     // Fetches from API...
     fetchCelestial(this.slug)
       .then(res => {
-        // Adds type after fake loading (it's just to showcase the spinner tbh)
-        setTimeout(() => {
-          this.celestial = addCelestialType(res);
-          this.loaded = true;
-        }, 1000);
+        this.celestial = addCelestialType(res);
+        this.celestialLoaded = true;
+        return this.celestial;
       })
       .catch(() => {
         this.error = "Impossible de récupérer l'astre demandé.";
+      })
+      .then(() => {
+        // fetchWikipediaExcerpt(celestial);
       });
+  },
+
+  methods: {
+    toggleFav: (celestialId: string) => {
+      store.dispatch("toggleFav", celestialId);
+      console.log(store.state.user.favourites);
+    },
   }
 });
 </script>