feat: Rewrite conversation/labelMixin to a composable (#9936)

# Pull Request Template

## Description

This PR will replace the usage of `conversation/labelMixin` with a
composable

Fixes
https://linear.app/chatwoot/issue/CW-3439/rewrite-conversationlabelmixin-mixin-to-a-composable

## Type of change

- [x] New feature (non-breaking change which adds functionality)

## How Has This Been Tested?

**Test cases**

1. Add/remove labels from conversation sidebar
2. See labels are showing up dynamically
3. Check add/remove labels working fine with CMD bar
4. Check card labels in conversation card and SLA reports table.


## Checklist:

- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my code
- [x] I have commented on my code, particularly in hard-to-understand
areas
- [ ] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [x] I have added tests that prove my fix is effective or that my
feature works
- [x] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged and published in downstream
modules

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

@@ -316,7 +316,11 @@ export default {
           {{ unreadCount > 9 ? '9+' : unreadCount }}
         </span>
       </div>
-      <CardLabels :conversation-id="chat.id" class="mt-0.5 mx-2 mb-0">
+      <CardLabels
+        :conversation-id="chat.id"
+        :conversation-labels="chat.labels"
+        class="mt-0.5 mx-2 mb-0"
+      >
         <template v-if="hasSlaPolicyId" #before>
           <SLACardLabel :chat="chat" class="ltr:mr-1 rtl:ml-1" />
         </template>

app/javascript/dashboard/components/widgets/conversation/conversationCardComponents/CardLabels.vue

@@ -1,23 +1,26 @@
 <script>
-import conversationLabelMixin from 'dashboard/mixins/conversation/labelMixin';
+import { computed } from 'vue';
+import { useMapGetter } from 'dashboard/composables/store';
+
 export default {
-  mixins: [conversationLabelMixin],
   props: {
-    // conversationId prop is used in /conversation/labelMixin,
-    // remove this props when refactoring to composable if not needed
-    // eslint-disable-next-line vue/no-unused-properties
-    conversationId: {
-      type: Number,
+    conversationLabels: {
+      type: Array,
       required: true,
     },
-    // conversationLabels prop is used in /conversation/labelMixin,
-    // remove this props when refactoring to composable if not needed
-    // eslint-disable-next-line vue/no-unused-properties
-    conversationLabels: {
-      type: String,
-      required: false,
-      default: '',
-    },
+  },
+  setup(props) {
+    const accountLabels = useMapGetter('labels/getLabels');
+
+    const activeLabels = computed(() => {
+      return props.conversationLabels.map(label =>
+        accountLabels.value.find(l => l.title === label)
+      );
+    });
+
+    return {
+      activeLabels,
+    };
   },
   data() {
     return {

app/javascript/dashboard/composables/spec/useConversationLabels.spec.js

@@ -0,0 +1,87 @@
+import { useConversationLabels } from '../useConversationLabels';
+import { useStore, useStoreGetters } from 'dashboard/composables/store';
+
+vi.mock('dashboard/composables/store');
+
+describe('useConversationLabels', () => {
+  let store;
+  let getters;
+
+  beforeEach(() => {
+    store = {
+      getters: {
+        'conversationLabels/getConversationLabels': vi.fn(),
+      },
+      dispatch: vi.fn(),
+    };
+    getters = {
+      getSelectedChat: { value: { id: 1 } },
+      'labels/getLabels': {
+        value: [
+          { id: 1, title: 'Label 1' },
+          { id: 2, title: 'Label 2' },
+          { id: 3, title: 'Label 3' },
+        ],
+      },
+    };
+
+    useStore.mockReturnValue(store);
+    useStoreGetters.mockReturnValue(getters);
+  });
+
+  it('should return the correct computed properties', () => {
+    store.getters['conversationLabels/getConversationLabels'].mockReturnValue([
+      'Label 1',
+      'Label 2',
+    ]);
+    const { accountLabels, savedLabels, activeLabels, inactiveLabels } =
+      useConversationLabels();
+
+    expect(accountLabels.value).toEqual(getters['labels/getLabels'].value);
+    expect(savedLabels.value).toEqual(['Label 1', 'Label 2']);
+    expect(activeLabels.value).toEqual([
+      { id: 1, title: 'Label 1' },
+      { id: 2, title: 'Label 2' },
+    ]);
+    expect(inactiveLabels.value).toEqual([{ id: 3, title: 'Label 3' }]);
+  });
+
+  it('should update labels correctly', async () => {
+    const { onUpdateLabels } = useConversationLabels();
+    await onUpdateLabels(['Label 1', 'Label 3']);
+
+    expect(store.dispatch).toHaveBeenCalledWith('conversationLabels/update', {
+      conversationId: 1,
+      labels: ['Label 1', 'Label 3'],
+    });
+  });
+
+  it('should add a label to the conversation', () => {
+    store.getters['conversationLabels/getConversationLabels'].mockReturnValue([
+      'Label 1',
+    ]);
+    const { addLabelToConversation } = useConversationLabels();
+
+    addLabelToConversation({ title: 'Label 2' });
+
+    expect(store.dispatch).toHaveBeenCalledWith('conversationLabels/update', {
+      conversationId: 1,
+      labels: ['Label 1', 'Label 2'],
+    });
+  });
+
+  it('should remove a label from the conversation', () => {
+    store.getters['conversationLabels/getConversationLabels'].mockReturnValue([
+      'Label 1',
+      'Label 2',
+    ]);
+    const { removeLabelFromConversation } = useConversationLabels();
+
+    removeLabelFromConversation('Label 2');
+
+    expect(store.dispatch).toHaveBeenCalledWith('conversationLabels/update', {
+      conversationId: 1,
+      labels: ['Label 1'],
+    });
+  });
+});

app/javascript/dashboard/composables/store.js

@@ -17,7 +17,7 @@ export const useStoreGetters = () => {
   );
 };
 
-export const mapGetter = key => {
+export const useMapGetter = key => {
   const store = useStore();
   return computed(() => store.getters[key]);
 };

app/javascript/dashboard/composables/useConversationLabels.js

@@ -0,0 +1,101 @@
+import { computed } from 'vue';
+import { useStore, useStoreGetters } from 'dashboard/composables/store';
+
+/**
+ * Composable for managing conversation labels
+ * @returns {Object} An object containing methods and computed properties for conversation labels
+ */
+export function useConversationLabels() {
+  const store = useStore();
+  const getters = useStoreGetters();
+
+  /**
+   * The currently selected chat
+   * @type {import('vue').ComputedRef<Object>}
+   */
+  const currentChat = computed(() => getters.getSelectedChat.value);
+
+  /**
+   * The ID of the current conversation
+   * @type {import('vue').ComputedRef<number|null>}
+   */
+  const conversationId = computed(() => currentChat.value?.id);
+
+  /**
+   * All labels available for the account
+   * @type {import('vue').ComputedRef<Array>}
+   */
+  const accountLabels = computed(() => getters['labels/getLabels'].value);
+
+  /**
+   * Labels currently saved to the conversation
+   * @type {import('vue').ComputedRef<Array>}
+   */
+  const savedLabels = computed(() => {
+    return store.getters['conversationLabels/getConversationLabels'](
+      conversationId.value
+    );
+  });
+
+  /**
+   * Labels currently active on the conversation
+   * @type {import('vue').ComputedRef<Array>}
+   */
+  const activeLabels = computed(() =>
+    accountLabels.value.filter(({ title }) => savedLabels.value.includes(title))
+  );
+
+  /**
+   * Labels available but not active on the conversation
+   * @type {import('vue').ComputedRef<Array>}
+   */
+  const inactiveLabels = computed(() =>
+    accountLabels.value.filter(
+      ({ title }) => !savedLabels.value.includes(title)
+    )
+  );
+
+  /**
+   * Updates the labels for the current conversation
+   * @param {string[]} selectedLabels - Array of label titles to be set for the conversation
+   * @returns {Promise<void>}
+   */
+  const onUpdateLabels = async selectedLabels => {
+    await store.dispatch('conversationLabels/update', {
+      conversationId: conversationId.value,
+      labels: selectedLabels,
+    });
+  };
+
+  /**
+   * Adds a label to the current conversation
+   * @param {Object} value - The label object to be added
+   * @param {string} value.title - The title of the label to be added
+   */
+  const addLabelToConversation = value => {
+    const result = activeLabels.value.map(item => item.title);
+    result.push(value.title);
+    onUpdateLabels(result);
+  };
+
+  /**
+   * Removes a label from the current conversation
+   * @param {string} value - The title of the label to be removed
+   */
+  const removeLabelFromConversation = value => {
+    const result = activeLabels.value
+      .map(label => label.title)
+      .filter(label => label !== value);
+    onUpdateLabels(result);
+  };
+
+  return {
+    accountLabels,
+    savedLabels,
+    activeLabels,
+    inactiveLabels,
+    addLabelToConversation,
+    removeLabelFromConversation,
+    onUpdateLabels,
+  };
+}

app/javascript/dashboard/mixins/conversation/labelMixin.js

@@ -1,46 +0,0 @@
-import { mapGetters } from 'vuex';
-
-export default {
-  computed: {
-    ...mapGetters({ accountLabels: 'labels/getLabels' }),
-    savedLabels() {
-      // If conversationLabels is passed as prop, use it
-      if (this.conversationLabels)
-        return this.conversationLabels.split(',').map(item => item.trim());
-      // Otherwise, get labels from store
-      return this.$store.getters['conversationLabels/getConversationLabels'](
-        this.conversationId
-      );
-    },
-    // TODO - Get rid of this from the mixin
-    activeLabels() {
-      return this.accountLabels.filter(({ title }) =>
-        this.savedLabels.includes(title)
-      );
-    },
-    inactiveLabels() {
-      return this.accountLabels.filter(
-        ({ title }) => !this.savedLabels.includes(title)
-      );
-    },
-  },
-  methods: {
-    addLabelToConversation(value) {
-      const result = this.activeLabels.map(item => item.title);
-      result.push(value.title);
-      this.onUpdateLabels(result);
-    },
-    removeLabelFromConversation(value) {
-      const result = this.activeLabels
-        .map(label => label.title)
-        .filter(label => label !== value);
-      this.onUpdateLabels(result);
-    },
-    async onUpdateLabels(selectedLabels) {
-      this.$store.dispatch('conversationLabels/update', {
-        conversationId: this.conversationId,
-        labels: selectedLabels,
-      });
-    },
-  },
-};

app/javascript/dashboard/routes/dashboard/commands/commandbar.vue

@@ -1,5 +1,6 @@
 <script>
 import '@chatwoot/ninja-keys';
+import { useConversationLabels } from 'dashboard/composables/useConversationLabels';
 import wootConstants from 'dashboard/constants/globals';
 import conversationHotKeysMixin from './conversationHotKeys';
 import bulkActionsHotKeysMixin from './bulkActionsHotKeys';
@@ -7,7 +8,6 @@ import inboxHotKeysMixin from './inboxHotKeys';
 import goToCommandHotKeys from './goToCommandHotKeys';
 import appearanceHotKeys from './appearanceHotKeys';
 import agentMixin from 'dashboard/mixins/agentMixin';
-import conversationLabelMixin from 'dashboard/mixins/conversation/labelMixin';
 import { GENERAL_EVENTS } from '../../../helper/AnalyticsHelper/events';
 
 export default {
@@ -16,10 +16,25 @@ export default {
     conversationHotKeysMixin,
     bulkActionsHotKeysMixin,
     inboxHotKeysMixin,
-    conversationLabelMixin,
     appearanceHotKeys,
     goToCommandHotKeys,
   ],
+  setup() {
+    // used in conversationHotKeysMixin
+    const {
+      activeLabels,
+      inactiveLabels,
+      addLabelToConversation,
+      removeLabelFromConversation,
+    } = useConversationLabels();
+
+    return {
+      activeLabels,
+      inactiveLabels,
+      addLabelToConversation,
+      removeLabelFromConversation,
+    };
+  },
   data() {
     return {
       // Added selectedSnoozeType to track the selected snooze type

app/javascript/dashboard/routes/dashboard/conversation/labels/LabelBox.vue

@@ -2,11 +2,11 @@
 import { ref } from 'vue';
 import { mapGetters } from 'vuex';
 import { useAdmin } from 'dashboard/composables/useAdmin';
+import { useConversationLabels } from 'dashboard/composables/useConversationLabels';
 import { useKeyboardEvents } from 'dashboard/composables/useKeyboardEvents';
 import Spinner from 'shared/components/Spinner.vue';
 import LabelDropdown from 'shared/components/ui/label/LabelDropdown.vue';
 import AddLabel from 'shared/components/ui/dropdown/AddLabel.vue';
-import conversationLabelMixin from 'dashboard/mixins/conversation/labelMixin';
 
 export default {
   components: {
@@ -14,20 +14,17 @@ export default {
     LabelDropdown,
     AddLabel,
   },
-
-  mixins: [conversationLabelMixin],
-  props: {
-    // conversationId prop is used in /conversation/labelMixin,
-    // remove this props when refactoring to composable if not needed
-    // eslint-disable-next-line vue/no-unused-properties
-    conversationId: {
-      type: Number,
-      required: true,
-    },
-  },
   setup() {
     const { isAdmin } = useAdmin();
 
+    const {
+      savedLabels,
+      activeLabels,
+      accountLabels,
+      addLabelToConversation,
+      removeLabelFromConversation,
+    } = useConversationLabels();
+
     const conversationLabelBoxRef = ref(null);
     const showSearchDropdownLabel = ref(false);
 
@@ -58,6 +55,11 @@ export default {
     useKeyboardEvents(keyboardEvents, conversationLabelBoxRef);
     return {
       isAdmin,
+      savedLabels,
+      activeLabels,
+      accountLabels,
+      addLabelToConversation,
+      removeLabelFromConversation,
       conversationLabelBoxRef,
       showSearchDropdownLabel,
       closeDropdownLabel,

app/javascript/dashboard/routes/dashboard/settings/reports/components/SLA/SLAReportItem.vue

@@ -1,8 +1,9 @@
 <script setup>
+import { computed } from 'vue';
 import UserAvatarWithName from 'dashboard/components/widgets/UserAvatarWithName.vue';
 import CardLabels from 'dashboard/components/widgets/conversation/conversationCardComponents/CardLabels.vue';
 import SLAViewDetails from './SLAViewDetails.vue';
-defineProps({
+const props = defineProps({
   slaName: {
     type: String,
     required: true,
@@ -20,6 +21,12 @@ defineProps({
     default: () => [],
   },
 });
+
+const conversationLabels = computed(() => {
+  return props.conversation.labels
+    ? props.conversation.labels.split(',').map(item => item.trim())
+    : [];
+});
 </script>
 
 <template>
@@ -41,7 +48,7 @@ defineProps({
       <CardLabels
         class="w-[80%]"
         :conversation-id="conversationId"
-        :conversation-labels="conversation.labels"
+        :conversation-labels="conversationLabels"
       />
     </div>
     <div