PAN-50 Created the findByBranch method

persistence/src/main/java/edu/msudenver/tsp/persistence/controller/TheoremController.java

@@ -41,6 +41,30 @@ public class TheoremController {
         return new ResponseEntity<>(listOfTheorems, HttpStatus.OK);
     }
 
+    @GetMapping("/{branch}")
+    public @ResponseBody
+    ResponseEntity<List<TheoremDto>> getAllTheoremsByBranch(@PathVariable("branch") final String branch) {
+        LOG.info("Received request to query for theorems related to the " + branch + " branch of mathematics");
+        if (branch == null) {
+            LOG.error("ERROR: branch was null");
+            return new ResponseEntity<>(HttpStatus.BAD_REQUEST);
+        }
+
+        LOG.debug("Querying for theorems with branch " + branch);
+
+        final StopWatch stopWatch = new StopWatch();
+        stopWatch.start();
+
+        final List<TheoremDto> listOfTheorems = theoremRepository.findByBranch(branch);
+
+        stopWatch.stop();
+
+        LOG.debug("Received response from server: query took " + stopWatch.getTotalTimeMillis() + "ms to complete");
+        LOG.info("Returning list of all theorems with size " + listOfTheorems.size());
+
+        return new ResponseEntity<>(listOfTheorems, HttpStatus.OK);
+    }
+
     @GetMapping("/{id}")
     public @ResponseBody
     ResponseEntity<TheoremDto> getTheoremById(@PathVariable("id") final Integer id) {

persistence/src/main/java/edu/msudenver/tsp/persistence/dto/AccountDto.java

@@ -4,10 +4,7 @@ import lombok.Data;
 import lombok.EqualsAndHashCode;
 import org.springframework.data.jpa.domain.support.AuditingEntityListener;
 
-import javax.persistence.Entity;
+import javax.persistence.*;
-import javax.persistence.EntityListeners;
-import javax.persistence.Temporal;
-import javax.persistence.TemporalType;
 import javax.validation.constraints.NotBlank;
 import javax.validation.constraints.NotNull;
 import javax.validation.constraints.Size;
@@ -24,7 +21,12 @@ public class AccountDto extends BaseDto implements Serializable {
     @NotNull private boolean administrator_status;
     @Temporal(TemporalType.DATE) private Date last_login;
 
-    public static final long serialVersionUID = 7095627971593953734L;
+    private static final long serialVersionUID = 7095627971593953734L;
 
     public interface Insert {}
+
+    @PrePersist
+    public void prePersist() {
+        last_login = new Date();
+    }
 }

persistence/src/main/java/edu/msudenver/tsp/persistence/dto/BaseDto.java

@@ -36,5 +36,5 @@ public class BaseDto implements Serializable {
     @Version
     private Integer version;
 
-    public static final long serialVersionUID = -1686252381978213945L;
+    private static final long serialVersionUID = -1686252381978213945L;
 }

persistence/src/main/java/edu/msudenver/tsp/persistence/dto/Definition.java

@@ -13,5 +13,5 @@ import java.util.List;
 public class Definition implements Serializable {
     private List<String> definitions;
 
-    public static final long serialVersionUID = -2208496232532214840L;
+    private static final long serialVersionUID = -2208496232532214840L;
 }

persistence/src/main/java/edu/msudenver/tsp/persistence/dto/DefinitionDto.java

@@ -28,7 +28,7 @@ public class DefinitionDto extends BaseDto implements Serializable {
 
     @Type(type = "json") @Column(columnDefinition = "jsonb") private Notation notation;
 
-    public static final long serialVersionUID = -5314619286352932857L;
+    private static final long serialVersionUID = -5314619286352932857L;
 
     public interface Insert {}
 }

persistence/src/main/java/edu/msudenver/tsp/persistence/dto/Notation.java

@@ -12,5 +12,5 @@ import java.util.List;
 @ToString
 public class Notation implements Serializable {
     private List<String> notations;
-    public static final long serialVersionUID = 2301438318932336121L;
+    private static final long serialVersionUID = 2301438318932336121L;
 }

persistence/src/main/java/edu/msudenver/tsp/persistence/dto/TheoremDto.java

@@ -26,5 +26,5 @@ public class TheoremDto extends BaseDto implements Serializable {
     @Type(type = "json") @Column(columnDefinition = "jsonb") private List<String> referenced_theorems;
     @NotNull private boolean proven_status;
 
-    public static final long serialVersionUID = 1545568391140364425L;
+    private static final long serialVersionUID = 1545568391140364425L;
 }

persistence/src/main/java/edu/msudenver/tsp/persistence/repository/TheoremRepository.java

@@ -4,6 +4,10 @@ import edu.msudenver.tsp.persistence.dto.TheoremDto;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
+import java.util.List;
+
 @Repository
 public interface TheoremRepository extends JpaRepository<TheoremDto, Integer> {
+
+    public List<TheoremDto> findByBranch(String branch);
 }