feat: Improve the initial screen placeholder (#7708)

Co-authored-by: Pranav Raj S <pranav@chatwoot.com>

app/javascript/dashboard/components/widgets/conversation/EmptyState/EmptyState.vue

@@ -0,0 +1,91 @@
+<template>
+  <div :class="emptyClassName">
+    <woot-loading-state
+      v-if="uiFlags.isFetching || loadingChatList"
+      :message="loadingIndicatorMessage"
+    />
+    <!-- No inboxes attached -->
+    <div
+      v-if="!inboxesList.length && !uiFlags.isFetching && !loadingChatList"
+      class="clearfix"
+    >
+      <onboarding-view v-if="isAdmin" />
+      <empty-state-message
+        v-else
+        :message="$t('CONVERSATION.NO_INBOX_AGENT')"
+      />
+    </div>
+    <!-- Show empty state images if not loading -->
+
+    <div
+      v-else-if="!uiFlags.isFetching && !loadingChatList"
+      class="flex flex-col items-center justify-center h-full"
+    >
+      <!-- No conversations available -->
+      <empty-state-message
+        v-if="!allConversations.length"
+        :message="$t('CONVERSATION.NO_MESSAGE_1')"
+      />
+      <empty-state-message
+        v-else-if="allConversations.length && !currentChat.id"
+        :message="conversationMissingMessage"
+      />
+    </div>
+  </div>
+</template>
+<script>
+import { mapGetters } from 'vuex';
+import adminMixin from 'dashboard/mixins/isAdmin';
+import accountMixin from 'dashboard/mixins/account';
+import OnboardingView from '../OnboardingView';
+import EmptyStateMessage from './EmptyStateMessage';
+
+export default {
+  components: {
+    OnboardingView,
+    EmptyStateMessage,
+  },
+  mixins: [accountMixin, adminMixin],
+  props: {
+    isOnExpandedLayout: {
+      type: Boolean,
+      default: false,
+    },
+  },
+  computed: {
+    ...mapGetters({
+      currentChat: 'getSelectedChat',
+      allConversations: 'getAllConversations',
+      inboxesList: 'inboxes/getInboxes',
+      uiFlags: 'inboxes/getUIFlags',
+      loadingChatList: 'getChatListLoadingStatus',
+    }),
+    loadingIndicatorMessage() {
+      if (this.uiFlags.isFetching) {
+        return this.$t('CONVERSATION.LOADING_INBOXES');
+      }
+      return this.$t('CONVERSATION.LOADING_CONVERSATIONS');
+    },
+    conversationMissingMessage() {
+      if (!this.isOnExpandedLayout) {
+        return this.$t('CONVERSATION.SELECT_A_CONVERSATION');
+      }
+      return this.$t('CONVERSATION.404');
+    },
+    newInboxURL() {
+      return this.addAccountScoping('settings/inboxes/new');
+    },
+    emptyClassName() {
+      if (
+        !this.inboxesList.length &&
+        !this.uiFlags.isFetching &&
+        !this.loadingChatList &&
+        this.isAdmin
+      ) {
+        return 'h-full overflow-auto';
+      }
+      return 'flex-1 min-w-0 px-0 flex flex-col items-center justify-center h-full';
+    },
+  },
+};
+</script>