feat: enable conversation deletion

app/javascript/dashboard/store/modules/conversations/actions.js

@@ -327,6 +327,15 @@ const actions = {
     }
   },
 
+  deleteConversation: async ({ commit }, conversationId) => {
+    try {
+      await ConversationApi.delete(conversationId);
+      commit(types.DELETE_CONVERSATION, conversationId);
+    } catch (error) {
+      throw new Error(error);
+    }
+  },
+
   addConversation({ commit, state, dispatch, rootState }, conversation) {
     const { currentInbox, appliedFilters } = state;
     const {

app/javascript/dashboard/store/modules/conversations/index.js

@@ -204,6 +204,12 @@ export const mutations = {
     _state.allConversations.push(conversation);
   },
 
+  [types.DELETE_CONVERSATION](_state, conversationId) {
+    _state.allConversations = _state.allConversations.filter(
+      c => c.id !== conversationId
+    );
+  },
+
   [types.UPDATE_CONVERSATION](_state, conversation) {
     const { allConversations } = _state;
     const index = allConversations.findIndex(c => c.id === conversation.id);