feat: Add Contacts page (#1335)

Co-authored-by: Sojan <sojan@pepalo.com>
Co-authored-by: Pranav Raj Sreepuram <pranavrajs@gmail.com>

app/javascript/dashboard/store/modules/contacts/mutations.js

@@ -0,0 +1,56 @@
+import Vue from 'vue';
+import types from '../../mutation-types';
+
+export const mutations = {
+  [types.SET_CONTACT_UI_FLAG]($state, data) {
+    $state.uiFlags = {
+      ...$state.uiFlags,
+      ...data,
+    };
+  },
+
+  [types.CLEAR_CONTACTS]: $state => {
+    Vue.set($state, 'records', {});
+  },
+
+  [types.SET_CONTACT_META]: ($state, data) => {
+    const { count, current_page: currentPage } = data;
+    Vue.set($state.meta, 'count', count);
+    Vue.set($state.meta, 'currentPage', currentPage);
+  },
+
+  [types.SET_CONTACTS]: ($state, data) => {
+    data.forEach(contact => {
+      Vue.set($state.records, contact.id, {
+        ...($state.records[contact.id] || {}),
+        ...contact,
+      });
+    });
+  },
+
+  [types.SET_CONTACT_ITEM]: ($state, data) => {
+    Vue.set($state.records, data.id, {
+      ...($state.records[data.id] || {}),
+      ...data,
+    });
+  },
+
+  [types.EDIT_CONTACT]: ($state, data) => {
+    Vue.set($state.records, data.id, data);
+  },
+
+  [types.UPDATE_CONTACTS_PRESENCE]: ($state, data) => {
+    Object.values($state.records).forEach(element => {
+      const availabilityStatus = data[element.id];
+      if (availabilityStatus) {
+        Vue.set(
+          $state.records[element.id],
+          'availability_status',
+          availabilityStatus
+        );
+      } else {
+        Vue.delete($state.records[element.id], 'availability_status');
+      }
+    });
+  },
+};