Bulk upload for exam cycle

src/main/java/com/tarento/upsmf/examsAndAdmissions/controller/FileUploadController.java

-package com.tarento.upsmf.examsAndAdmissions.controller;
-
-import com.tarento.upsmf.examsAndAdmissions.service.CsvDataImporterService;
-import com.tarento.upsmf.examsAndAdmissions.util.Constants;
-import org.codehaus.jettison.json.JSONArray;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.http.HttpStatus;
-import org.springframework.http.ResponseEntity;
-import org.springframework.stereotype.Controller;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestParam;
-import org.springframework.web.multipart.MultipartFile;
-
-import java.util.HashMap;
-import java.util.Map;
-
-@Controller
-public class FileUploadController {
-
-    @Autowired
-    private CsvDataImporterService csvDataImporterService;
-
-    @PostMapping("/fileTest")
-    public ResponseEntity<Map<String, Object>> handleFileUploads(@RequestParam("file") MultipartFile file, @RequestParam("fileType") String fileType) {
-        Map<String, Object> response = new HashMap<>();
-        JSONArray jsonArray = null;
-
-        try {
-            switch (fileType.toLowerCase()) {
-                case Constants.CSV:
-                    jsonArray = csvDataImporterService.csvToJson(file);
-                    break;
-                case Constants.EXCEL:
-                    jsonArray = csvDataImporterService.excelToJson(file);
-                    break;
-                default:
-                    // Handle unsupported file type
-                    response.put("error", "Unsupported file type");
-                    return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(response);
-            }
-
-            response.put("data", jsonArray.toString());
-            return ResponseEntity.ok(response);
-        } catch (Exception e) {
-            response.put("error", "An error occurred while processing the file");
-            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(response);
-        }
-    }
-}
\ No newline at end of file

src/main/java/com/tarento/upsmf/examsAndAdmissions/model/ExamUploadData.java

+package com.tarento.upsmf.examsAndAdmissions.model;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
+import com.tarento.upsmf.examsAndAdmissions.util.LocalDateDeserializer;
+import com.tarento.upsmf.examsAndAdmissions.util.LocalTimeDeserializer;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+import java.time.LocalDate;
+import java.time.LocalTime;
+
+
+@Entity
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@Table(name = "examUpload") // Define the table name
+public class ExamUploadData {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Column(name = "examcycle_name")
+    @JsonProperty("Examcycle Name")
+    private String examcycleName;
+
+    @Column(name = "course")
+    @JsonProperty("Course")
+    private String course;
+
+    @Column(name = "start_date")
+    @JsonProperty("Start Date")
+    @JsonFormat(pattern = "dd.MM.yyyy")
+    @JsonDeserialize(using = LocalDateDeserializer.class)
+    private LocalDate startDate;
+
+    @Column(name = "end_date")
+    @JsonProperty("End Date")
+    @JsonFormat(pattern = "dd.MM.yyyy")
+    @JsonDeserialize(using = LocalDateDeserializer.class)
+    private LocalDate endDate;
+
+    @Column(name = "exam_name")
+    @JsonProperty("Exam Name")
+    private String examName;
+
+    @Column(name = "date")
+    @JsonProperty("Date")
+    @JsonFormat(pattern = "dd.MM.yyyy")
+    @JsonDeserialize(using = LocalDateDeserializer.class)
+    private LocalDate date;
+
+    @Column(name = "start_time")
+    @JsonProperty("Start Time")
+    @JsonDeserialize(using = LocalTimeDeserializer.class)
+    private LocalTime startTime;
+
+    @Column(name = "end_time")
+    @JsonProperty("End Time")
+    @JsonDeserialize(using = LocalTimeDeserializer.class)
+    private LocalTime endTime;
+
+    @Column(name = "maximum_marks")
+    @JsonProperty("Maximum Marks")
+    private Integer maximumMarks;
+}
+

src/main/java/com/tarento/upsmf/examsAndAdmissions/repository/ExamEntityRepository.java

+package com.tarento.upsmf.examsAndAdmissions.repository;
+
+import com.tarento.upsmf.examsAndAdmissions.model.ExamUploadData;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface ExamEntityRepository extends JpaRepository<ExamUploadData, Long>{
+}

src/main/java/com/tarento/upsmf/examsAndAdmissions/util/LocalDateDeserializer.java

+package com.tarento.upsmf.examsAndAdmissions.util;
+
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.JsonDeserializer;
+import java.io.IOException;
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+
+public class LocalDateDeserializer extends JsonDeserializer<LocalDate> {
+    private static final DateTimeFormatter DATE_FORMATTER = DateTimeFormatter.ofPattern("dd.MM.yyyy");
+
+    @Override
+    public LocalDate deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
+        String dateText = p.getText();
+        return LocalDate.parse(dateText, DATE_FORMATTER);
+    }
+}

src/main/java/com/tarento/upsmf/examsAndAdmissions/util/LocalTimeDeserializer.java

+package com.tarento.upsmf.examsAndAdmissions.util;
+
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.JsonDeserializer;
+import java.io.IOException;
+import java.time.LocalTime;
+import java.time.format.DateTimeFormatter;
+import java.util.Locale;
+
+public class LocalTimeDeserializer extends JsonDeserializer<LocalTime> {
+    private static final DateTimeFormatter TIME_FORMATTER = DateTimeFormatter.ofPattern("EEE MMM dd HH:mm:ss zzz yyyy", Locale.US);
+
+    @Override
+    public LocalTime deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
+        String timeText = p.getText();
+        return LocalTime.parse(timeText, TIME_FORMATTER);
+    }
+}