delete person

backend/handlers/deletePerson.go

@@ -1 +1,48 @@
-package handlers
+package handlers
+
+import (
+	"encoding/json"
+	"log"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/neo4j/neo4j-go-driver/v5/neo4j"
+	"github.com/vcscsvcscs/GenerationsHeritage/backend/memgraph"
+)
+
+func DeletePerson(driver neo4j.DriverWithContext) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		if c.Request.Body == nil || c.ContentType() != "application/json" {
+			log.Printf("ip: %s error: request body is empty or content type is not application/json", c.ClientIP())
+			c.JSON(http.StatusBadRequest, gin.H{"error": "content type must be application/json and request body must not be empty"})
+
+			return
+		}
+
+		var person memgraph.Person
+		err := json.NewDecoder(c.Request.Body).Decode(&person)
+		if err != nil {
+			log.Printf("ip: %s error: %s", c.ClientIP(), err)
+			c.JSON(http.StatusBadRequest, gin.H{"error": "invalid request body"})
+
+			return
+		}
+
+		if person.ID != "" {
+			log.Printf("ip: %s error: %s", c.ClientIP(), err)
+			c.JSON(http.StatusBadRequest, gin.H{"error": "no person ID provided"})
+
+			return
+		}
+
+		err = person.DeletePerson(driver)
+		if err != nil {
+			log.Printf("ip: %s error: %s", c.ClientIP(), err)
+			c.JSON(http.StatusNotFound, gin.H{"error": "could not delete person with ID provided"})
+
+			return
+		}
+
+		c.JSON(http.StatusOK, gin.H{"status": "person deleted successfully"})
+	}
+}

backend/memgraph/delete_person.go

@@ -0,0 +1,27 @@
+package memgraph
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/neo4j/neo4j-go-driver/v5/neo4j"
+	"golang.org/x/net/context"
+)
+
+func (p *Person) DeletePerson(driver neo4j.DriverWithContext) error {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	session := driver.NewSession(ctx, neo4j.SessionConfig{AccessMode: neo4j.AccessModeWrite})
+	defer session.Close(ctx)
+
+	if err := p.Verify(); err != nil {
+		return err
+	}
+
+	query := fmt.Sprintf("MATCH (n:Person {ID: '%s'}) DELETE n;", p.ID)
+
+	_, err := session.Run(ctx, query, nil)
+
+	return err
+}