fix(#290): fix add trainee in cohort

Author: SaddockAime

src/pages/Cohort/CohortDetailPage.tsx

@@ -8,6 +8,7 @@ import { getCohort, getAllTraineeApplicants, acceptTrainee } from "../../redux/a
 import { useAppDispatch, useAppSelector } from "../../hooks/hooks";
 import { useParams } from "react-router-dom";
 import { Spinner } from "flowbite-react";
+import { toast } from "react-toastify";
 
 const CohortsDetailPage = () => {
   const [anchorEl, setAnchorEl] = useState(null);
@@ -37,8 +38,12 @@ const CohortsDetailPage = () => {
   const handleAddTraineeModal = async () => {
     setLoading(true);
     try {
-      await dispatch(getAllTraineeApplicants());
-      setAddTrainee(true);
+      const result = await dispatch(getAllTraineeApplicants());
+      if (result.error) {
+        toast.error(result.error);
+      } else {
+        setAddTrainee(true);
+      }
     } catch (error) {
       console.error("Error adding trainee:", error);
     } finally {

src/redux/actions/cohortActions.ts

@@ -238,13 +238,20 @@ export const getAllTraineeApplicants = () => async (dispatch: any) => {
               _id
               email
               cohort
+              applicationPhase
             }
           }
         `
       }
     });
     const traineeApplicants = await response.data.data.getAllTraineeApplicant;
-    dispatch(creator(GET_ALL_TRAINEES, traineeApplicants));
+    const admittedTrainees = traineeApplicants?.filter((trainee: any) => trainee?.applicationPhase === "Admitted");
+    if (admittedTrainees.length === 0) {
+      return { error: 'No trainees found' };
+    } else {
+      dispatch(creator(GET_ALL_TRAINEES, admittedTrainees));
+      return { data: admittedTrainees };
+    }
   } catch (error) {
     console.error('Error fetching trainee applicants:', error);
   }