add count for pet, pet owner and vet

src/main/java/com/production/ehayvanbackendapi/Controllers/PetController.java

@@ -30,6 +30,12 @@ public ResponseEntity<PetDTO> getPetById(@PathVariable Integer id) {
         }
     }
 
+    @GetMapping("/count")
+    public ResponseEntity<Integer> getAllPetsCount() {
+        int count = petService.getAllPetsCount();
+        return new ResponseEntity<>(count, HttpStatus.OK);
+    }
+
     @GetMapping("/all/{petOwnerId}")
     public ResponseEntity<List<PetDTO>> getAllPetsForPetOwner(@PathVariable Integer petOwnerId) {
         List<PetDTO> response = petService.getAllPetsForPetOwner(petOwnerId);

src/main/java/com/production/ehayvanbackendapi/Controllers/PetOwnerController.java

@@ -29,6 +29,12 @@ public ResponseEntity<PetOwnerDTO> getPetOwnerById(@PathVariable Integer id) {
         }
     }
 
+    @GetMapping("/count")
+    public ResponseEntity<Integer> getAllPetOwnersCount() {
+        int count = petOwnerService.getAllPetOwnersCount();
+        return new ResponseEntity<>(count, HttpStatus.OK);
+    }
+
     @GetMapping("/forVet/{vetId}")
     public ResponseEntity<List<PetOwnerDTO>> getPetOwnersForVeterinarian(@PathVariable Integer vetId) {
         List<PetOwnerDTO> response = petOwnerService.getPetOwnersForVeterinarian(vetId);

src/main/java/com/production/ehayvanbackendapi/Controllers/VeterinarianController.java

@@ -17,6 +17,11 @@ public VeterinarianController(VeterinarianService veterinarianService) {
         this.veterinarianService = veterinarianService;
     }
 
+    @GetMapping("/count")
+    public ResponseEntity<Integer> getAllVetsCount() {
+        int count = veterinarianService.getAllVetsCount();
+        return new ResponseEntity<>(count, HttpStatus.OK);
+    }
     @GetMapping("/{id}")
     public ResponseEntity<VeterinarianDTO> getVeterinarianById(@PathVariable Integer id) {
         VeterinarianDTO veterinarianDTO = veterinarianService.getVeterinarianById(id);

src/main/java/com/production/ehayvanbackendapi/Repositories/PetOwnerRepository.java

@@ -14,5 +14,8 @@
 public interface PetOwnerRepository extends JpaRepository<PetOwner, Integer> {
     @Query(value="SELECT *FROM pet_owner WHERE pet_owner.vetid = :vetid",nativeQuery = true)
     public Optional<List<PetOwner>> getAllPetsForPetOwner(@Param("vetid") int vetid);
+
+    @Query(value = "SELECT COUNT(*) FROM pet_owner", nativeQuery = true)
+    public int getAllPetOwnersCount();
 }
 

src/main/java/com/production/ehayvanbackendapi/Repositories/PetRepository.java

@@ -14,4 +14,8 @@
 public interface PetRepository extends JpaRepository<Pet, Integer> {
     @Query(value="SELECT *FROM Pet WHERE Pet.pet_ownerid = :pet_ownerid",nativeQuery = true)
     public Optional<List<Pet>> getAllPetsForPetOwner(@Param("pet_ownerid") int pet_ownerid);
+
+    @Query(value = "SELECT COUNT(*) FROM pet", nativeQuery = true)
+    public int getAllPetsCount();
+
 }

src/main/java/com/production/ehayvanbackendapi/Repositories/VeterinarianRepository.java

@@ -15,4 +15,7 @@ public interface VeterinarianRepository extends JpaRepository<Veterinarian, Inte
     @Query(value = "SELECT veterinarian.* FROM veterinarian INNER JOIN customer ON veterinarian.userid = customer.userid WHERE name LIKE :name%",
     nativeQuery = true)
     public List<Veterinarian> findVeterinariansByName(@Param("name") String name);
+
+    @Query(value = "SELECT COUNT(*) FROM veterinarian", nativeQuery = true)
+    public int getAllVetsCount();
 }

src/main/java/com/production/ehayvanbackendapi/Services/PetOwnerService.java

@@ -47,6 +47,10 @@ public List<PetOwnerDTO> getPetOwnersForVeterinarian(Integer vetId) {
         }
     }
 
+    public int getAllPetOwnersCount() {
+        return petOwnerRepository.getAllPetOwnersCount();
+    }
+
     public PetOwnerDTO getPetOwnerById(Integer id) {
         Optional<PetOwner> petOwner = petOwnerRepository.findById(id);
         // Listeler otomatik olarak mapleniyor. Şimdilik bir problem yok.

src/main/java/com/production/ehayvanbackendapi/Services/PetService.java

@@ -30,6 +30,10 @@ public PetService(PetRepository petRepository, PetMapper petMapper) {
         this.petMapper = petMapper;
     }
 
+    public int getAllPetsCount() {
+        return petRepository.getAllPetsCount();
+    }
+
     public PetDTO getPetById(Integer id) {
         // Find pet if exists.
         Optional<Pet> pet = petRepository.findById(id);

src/main/java/com/production/ehayvanbackendapi/Services/VeterinarianService.java

@@ -26,6 +26,10 @@ public VeterinarianService(VeterinarianRepository veterinarianRepository, Veteri
         this.veterinarianMapper = veterinarianMapper;
     }
 
+    public int getAllVetsCount() {
+        return veterinarianRepository.getAllVetsCount();
+    }
+
     public VeterinarianDTO getVeterinarianById(Integer id) {
         Veterinarian veterinarian = veterinarianRepository.findById(id).orElse(null);
         return veterinarian != null ? veterinarianMapper.convertToDto(veterinarian) : null;