fix(#290): fix add trainee in cohort

Author: SaddockAime

src/pages/Cohort/CohortDetailPage.tsx

@@ -9,6 +9,7 @@ import { useAppDispatch, useAppSelector } from "../../hooks/hooks";
 import { useParams } from "react-router-dom";
 import { Spinner } from "flowbite-react";
 import { CohortDetailSkeleton } from "../../skeletons/singleCohortSketon";
+import { toast } from "react-toastify";
 
 const CohortsDetailPage = () => {
   const [anchorEl, setAnchorEl] = useState(null);
@@ -38,10 +39,14 @@ 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);
+      toast.error("Error adding trainee");
     } finally {
       setLoading(false);
     }

src/redux/actions/cohortActions.ts

@@ -239,15 +239,22 @@ 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);
+    toast.error("Error fetching trainee applicants");
   }
 };