restructure repo

2025-08-14 23:09:07 +02:00 · 2025-03-17 21:48:21 +01:00
parent 833c396b9b
commit bbf66ddc74
160 changed files with 49 additions and 1163 deletions
--- a/apps/db-handler/.golangci.yml
+++ b/apps/db-handler/.golangci.yml
@@ -0,0 +1,118 @@
+linters-settings:
+  depguard:
+    rules:
+      logger:
+        deny:
+          # logging is allowed only by logutils.Log,
+          # logrus is allowed to use only in logutils package.
+          - pkg: "github.com/sirupsen/logrus"
+            desc: logging is allowed only by logutils.Log.
+          - pkg: "github.com/pkg/errors"
+            desc: Should be replaced by standard lib errors package.
+          - pkg: "github.com/instana/testify"
+            desc: It's a fork of github.com/stretchr/testify.
+  dupl:
+    threshold: 100
+  funlen:
+    lines: -1 # the number of lines (code + empty lines) is not a right metric and leads to code without empty line or one-liner.
+    statements: 50
+  goconst:
+    min-len: 2
+    min-occurrences: 3
+  gocritic:
+    enabled-tags:
+      - diagnostic
+      - experimental
+      - opinionated
+      - performance
+      - style
+    disabled-checks:
+      - dupImport # https://github.com/go-critic/go-critic/issues/845
+      - ifElseChain
+      - octalLiteral
+      - whyNoLint
+  gocyclo:
+    min-complexity: 15
+  gofmt:
+    rewrite-rules:
+      - pattern: 'interface{}'
+        replacement: 'any'
+  govet:
+    settings:
+      printf:
+        funcs:
+          - (github.com/golangci/golangci-lint/pkg/logutils.Log).Infof
+          - (github.com/golangci/golangci-lint/pkg/logutils.Log).Warnf
+          - (github.com/golangci/golangci-lint/pkg/logutils.Log).Errorf
+          - (github.com/golangci/golangci-lint/pkg/logutils.Log).Fatalf
+    enable:
+      - nilness
+      - shadow
+  errorlint:
+    asserts: false
+  lll:
+    line-length: 140
+  misspell:
+    locale: US
+  nolintlint:
+    allow-unused: false # report any unused nolint directives
+    require-explanation: false # don't require an explanation for nolint directives
+    require-specific: false # don't require nolint directives to be specific about which linter is being skipped
+  revive:
+    rules:
+      - name: unexported-return
+        disabled: true
+      - name: unused-parameter
+
+linters:
+  disable-all: true
+  enable:
+    - bodyclose
+    - depguard
+    - dogsled
+    - dupl
+    - errcheck
+    - errorlint
+    - exportloopref
+    - funlen
+    - gocheckcompilerdirectives
+    - gochecknoinits
+    - goconst
+    - gocritic
+    - gocyclo
+    - gofmt
+    - goimports
+    - gomnd
+    - goprintffuncname
+    - gosec
+    - gosimple
+    - govet
+    - ineffassign
+    - lll
+    - misspell
+    - nakedret
+    - noctx
+    - nolintlint
+    - revive
+    - staticcheck
+    - stylecheck
+    - typecheck
+    - unconvert
+    - unparam
+    - unused
+    - whitespace
+
+  # don't enable:
+  # - asciicheck
+  # - gochecknoglobals
+  # - gocognit
+  # - godot
+  # - godox
+  # - goerr113
+  # - nestif
+  # - prealloc
+  # - testpackage
+  # - wsl
+
+run:
+  timeout: 5m
--- a/apps/db-handler/dockerfile
+++ b/apps/db-handler/dockerfile
@@ -0,0 +1,18 @@
+FROM --platform=$BUILDPLATFORM golang:alpine AS build
+
+WORKDIR /app
+
+COPY . .
+
+RUN go get ./...
+
+RUN GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -o backend
+
+RUN apk update && apk add ca-certificates && update-ca-certificates
+
+FROM --platform=$TARGETPLATFORM busybox:1.36.1
+
+COPY --from=build /etc/ssl/certs /etc/ssl/certs
+COPY --from=build /app/backend /app/
+
+CMD [ "/app/backend" ]
--- a/apps/db-handler/go.mod
+++ b/apps/db-handler/go.mod
@@ -0,0 +1,54 @@
+module github.com/vcscsvcscs/GenerationsHeritage/apps/db-handler
+
+go 1.23
+
+require (
+	github.com/gin-contrib/cors v1.7.2
+	github.com/gin-gonic/gin v1.10.0
+	github.com/google/uuid v1.6.0
+	github.com/neo4j/neo4j-go-driver/v5 v5.27.0
+	golang.org/x/net v0.33.0
+)
+
+require (
+	github.com/bytedance/sonic v1.12.6 // indirect
+	github.com/bytedance/sonic/loader v0.2.1 // indirect
+	github.com/cloudwego/base64x v0.1.4 // indirect
+	github.com/cloudwego/iasm v0.2.0 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.7 // indirect
+	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/go-jose/go-jose/v4 v4.0.4 // indirect
+	github.com/go-logr/logr v1.4.2 // indirect
+	github.com/go-logr/stdr v1.2.2 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator/v10 v10.23.0 // indirect
+	github.com/goccy/go-json v0.10.4 // indirect
+	github.com/gorilla/securecookie v1.1.2 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.9 // indirect
+	github.com/leodido/go-urn v1.4.0 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/muhlemmer/gu v0.3.1 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.3 // indirect
+	github.com/sirupsen/logrus v1.9.3 // indirect
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	github.com/ugorji/go/codec v1.2.12 // indirect
+	github.com/zitadel/logging v0.6.1 // indirect
+	github.com/zitadel/oidc/v3 v3.33.1 // indirect
+	github.com/zitadel/schema v1.3.0 // indirect
+	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
+	go.opentelemetry.io/otel v1.33.0 // indirect
+	go.opentelemetry.io/otel/metric v1.33.0 // indirect
+	go.opentelemetry.io/otel/trace v1.33.0 // indirect
+	golang.org/x/arch v0.12.0 // indirect
+	golang.org/x/crypto v0.31.0 // indirect
+	golang.org/x/exp v0.0.0-20241217172543-b2144cdd0a67 // indirect
+	golang.org/x/oauth2 v0.24.0 // indirect
+	golang.org/x/sys v0.28.0 // indirect
+	golang.org/x/text v0.21.0 // indirect
+	google.golang.org/protobuf v1.36.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)
--- a/apps/db-handler/internal/api/createPerson.go
+++ b/apps/db-handler/internal/api/createPerson.go
@@ -0,0 +1,49 @@
+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/pkg/memgraph"
+)
+
+func CreatePerson(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.Error())
+			c.JSON(http.StatusBadRequest, gin.H{"error": "invalid request body"})
+
+			return
+		}
+
+		if err := person.Verify(); err != nil {
+			log.Printf("ip: %s error: %s", c.ClientIP(), err.Error())
+			c.JSON(http.StatusBadRequest, gin.H{"error": "contains-forbidden-characters"})
+
+			return
+		}
+
+		person.ID = c.GetString("id")
+		rec, err := person.CreatePerson(driver)
+		if err != nil {
+			log.Printf("ip: %s error: %s", c.ClientIP(), err.Error())
+			c.JSON(http.StatusBadRequest, gin.H{"error": "already-exists"})
+
+			return
+		}
+
+		c.JSON(http.StatusCreated, gin.H{"person": rec.AsMap()})
+	}
+}
--- a/apps/db-handler/internal/api/createRelationship.go
+++ b/apps/db-handler/internal/api/createRelationship.go
@@ -0,0 +1,32 @@
+package handlers
+
+import (
+	"log"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/neo4j/neo4j-go-driver/v5/neo4j"
+	"github.com/vcscsvcscs/GenerationsHeritage/pkg/memgraph"
+)
+
+func CreateRelationship(driver neo4j.DriverWithContext) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var relationship memgraph.Relationship
+		if err := c.ShouldBindJSON(&relationship); err != nil {
+			log.Printf("ip: %s error: %s", c.ClientIP(), err)
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+
+			return
+		}
+
+		rec, err := relationship.CreateRelationship(driver)
+		if err != nil {
+			log.Printf("ip: %s error: %s", c.ClientIP(), err)
+			c.JSON(http.StatusInternalServerError, gin.H{"error": "internal server error"})
+
+			return
+		}
+
+		c.JSON(http.StatusCreated, gin.H{"relationship": rec.AsMap()})
+	}
+}
--- a/apps/db-handler/internal/api/create_relationship_and_person.go
+++ b/apps/db-handler/internal/api/create_relationship_and_person.go
@@ -0,0 +1,32 @@
+package handlers
+
+import (
+	"log"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/neo4j/neo4j-go-driver/v5/neo4j"
+	"github.com/vcscsvcscs/GenerationsHeritage/pkg/memgraph"
+)
+
+func CreateRelationshipAndPerson(driver neo4j.DriverWithContext) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var rp memgraph.RelationshipAndPerson
+		if err := c.ShouldBindJSON(&rp); err != nil {
+			log.Printf("ip: %s error: %s", c.ClientIP(), err)
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+
+			return
+		}
+
+		rec, err := rp.CreateRelationshipAndPerson(driver)
+		if err != nil {
+			log.Printf("ip: %s error: %s", c.ClientIP(), err)
+			c.JSON(http.StatusInternalServerError, gin.H{"error": "internal server error"})
+
+			return
+		}
+
+		c.JSON(http.StatusCreated, gin.H{"relationship": rec.AsMap()})
+	}
+}
--- a/apps/db-handler/internal/api/deletePerson.go
+++ b/apps/db-handler/internal/api/deletePerson.go
@@ -0,0 +1,48 @@
+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/pkg/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"})
+	}
+}
--- a/apps/db-handler/internal/api/deleteRelationship.go
+++ b/apps/db-handler/internal/api/deleteRelationship.go
@@ -0,0 +1,32 @@
+package handlers
+
+import (
+	"log"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/neo4j/neo4j-go-driver/v5/neo4j"
+	"github.com/vcscsvcscs/GenerationsHeritage/pkg/memgraph"
+)
+
+func DeleteRelationship(driver neo4j.DriverWithContext) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var relationship memgraph.Relationship
+		if err := c.ShouldBindJSON(&relationship); err != nil {
+			log.Printf("ip: %s error: %s", c.ClientIP(), err)
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+
+			return
+		}
+
+		err := relationship.DeleteRelationship(driver)
+		if err != nil {
+			log.Printf("ip: %s error: %s", c.ClientIP(), err)
+			c.JSON(http.StatusInternalServerError, gin.H{"error": "internal server error"})
+
+			return
+		}
+
+		c.JSON(http.StatusAccepted, gin.H{"status": "relationship deleted successfully"})
+	}
+}
--- a/apps/db-handler/internal/api/generate.go
+++ b/apps/db-handler/internal/api/generate.go
@@ -0,0 +1,3 @@
+package api
+
+//go:generate go run github.com/oapi-codegen/oapi-codegen/v2/cmd/oapi-codegen -config cfg.yaml ../../../../openapi.json
--- a/apps/db-handler/internal/api/oapi-codegen-cfg.yaml
+++ b/apps/db-handler/internal/api/oapi-codegen-cfg.yaml
@@ -0,0 +1,6 @@
+# yaml-language-server: $schema=https://raw.githubusercontent.com/oapi-codegen/oapi-codegen/HEAD/configuration-schema.json
+package: api
+output: api.gen.go
+generate:
+  models: true
+  gin-server: true
--- a/apps/db-handler/internal/api/updatePerson.go
+++ b/apps/db-handler/internal/api/updatePerson.go
@@ -0,0 +1,48 @@
+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/pkg/memgraph"
+)
+
+func UpdatePerson(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 ID provided"})
+
+			return
+		}
+
+		rec, err := person.UpdatePerson(driver)
+		if err != nil {
+			log.Printf("ip: %s error: %s", c.ClientIP(), err)
+			c.JSON(http.StatusNotFound, gin.H{"error": "could not update person with information provided"})
+
+			return
+		}
+
+		c.JSON(http.StatusOK, gin.H{"person": rec.AsMap()})
+	}
+}
--- a/apps/db-handler/internal/api/verifyRelationship.go
+++ b/apps/db-handler/internal/api/verifyRelationship.go
@@ -0,0 +1,32 @@
+package handlers
+
+import (
+	"log"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/neo4j/neo4j-go-driver/v5/neo4j"
+	"github.com/vcscsvcscs/GenerationsHeritage/pkg/memgraph"
+)
+
+func VerifyRelationship(driver neo4j.DriverWithContext) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var relationship memgraph.Relationship
+		if err := c.ShouldBindJSON(&relationship); err != nil {
+			log.Printf("ip: %s error: %s", c.ClientIP(), err)
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+
+			return
+		}
+
+		rec, err := relationship.VerifyRelationship(driver)
+		if err != nil {
+			log.Printf("ip: %s error: %s", c.ClientIP(), err)
+			c.JSON(http.StatusInternalServerError, gin.H{"error": "internal server error"})
+
+			return
+		}
+
+		c.JSON(http.StatusOK, gin.H{"relationship": rec.AsMap()})
+	}
+}
--- a/apps/db-handler/internal/api/viewFamilyTree.go
+++ b/apps/db-handler/internal/api/viewFamilyTree.go
@@ -0,0 +1,55 @@
+package handlers
+
+import (
+	"context"
+	"log"
+	"net/http"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/neo4j/neo4j-go-driver/v5/neo4j"
+)
+
+func ViewFamiliyTree(driver neo4j.DriverWithContext) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+		defer cancel()
+
+		session := driver.NewSession(ctx, neo4j.SessionConfig{AccessMode: neo4j.AccessModeRead})
+		defer session.Close(ctx)
+
+		id := c.GetString("id")
+		if id == "" {
+			c.JSON(http.StatusBadRequest, gin.H{"error": "id is required"})
+
+			return
+		}
+
+		query := `
+		MATCH (n:Person {id: $person_id})-[p:Parent*1..]->(family:Person)
+		OPTIONAL MATCH (family)-[c:Child]->(children:Person)
+		WITH family, p, children, c, n
+		OPTIONAL MATCH (children)<-[p2:Parent]-(OtherParents:Person)
+		WITH family, p, children, c, OtherParents, p2,n
+		OPTIONAL MATCH (family)-[s:Spouse]-(spouse:Person)
+		RETURN family, p, children, c, OtherParents, p2, spouse, s, n;`
+
+		result, err := session.Run(ctx, query, map[string]any{"person_id": id})
+		if err != nil {
+			log.Printf("ip: %s error: %s", c.ClientIP(), err)
+			c.JSON(http.StatusInternalServerError, gin.H{"error": "internal server error"})
+
+			return
+		}
+
+		rec, err := result.Collect(ctx)
+		if err != nil {
+			log.Printf("ip: %s error: %s", c.ClientIP(), err)
+			c.JSON(http.StatusNotFound, gin.H{"error": "could not find family tree for person with id: " + id})
+
+			return
+		}
+
+		c.JSON(200, rec)
+	}
+}
--- a/apps/db-handler/internal/api/viewPerson.go
+++ b/apps/db-handler/internal/api/viewPerson.go
@@ -0,0 +1,50 @@
+package handlers
+
+import (
+	"context"
+	"log"
+	"net/http"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/neo4j/neo4j-go-driver/v5/neo4j"
+)
+
+func ViewPerson(driver neo4j.DriverWithContext) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+		defer cancel()
+
+		session := driver.NewSession(ctx, neo4j.SessionConfig{AccessMode: neo4j.AccessModeRead})
+		defer session.Close(ctx)
+
+		id := c.Query("id")
+		if id == "" {
+			id = c.GetString("id")
+		}
+
+		if id == "" {
+			c.JSON(http.StatusBadRequest, gin.H{"error": "id is required"})
+
+			return
+		}
+
+		result, err := session.Run(ctx, "MATCH (n:Person) WHERE n.id = $person_id RETURN n;", map[string]any{"person_id": id})
+		if err != nil {
+			log.Printf("ip: %s error: %s", c.ClientIP(), err)
+			c.JSON(http.StatusInternalServerError, gin.H{"error": "internal server error"})
+
+			return
+		}
+
+		rec, err := result.Single(ctx)
+		if err != nil {
+			log.Printf("ip: %s error: %s", c.ClientIP(), err)
+			c.JSON(http.StatusNotFound, gin.H{"error": "could not find person with information provided"})
+
+			return
+		}
+
+		c.JSON(200, rec.AsMap()["n"])
+	}
+}
--- a/apps/db-handler/main.go
+++ b/apps/db-handler/main.go
@@ -0,0 +1,106 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"log"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"github.com/gin-contrib/cors"
+	"github.com/gin-gonic/gin"
+	"github.com/vcscsvcscs/GenerationsHeritage/cmd/backend/handlers"
+	utilities "github.com/vcscsvcscs/GenerationsHeritage/pkg"
+	"github.com/vcscsvcscs/GenerationsHeritage/pkg/gin/healthcheck"
+	"github.com/vcscsvcscs/GenerationsHeritage/pkg/memgraph"
+	//"github.com/zitadel/zitadel-go/v3/pkg/authorization"
+	//"github.com/zitadel/zitadel-go/v3/pkg/authorization/oauth"
+	//"github.com/zitadel/zitadel-go/v3/pkg/zitadel"
+)
+
+var (
+	cert      = flag.String("cert", "/etc/gh-backend/ssl/tls.crt", "Specify the path of TLS cert")
+	key       = flag.String("key", "/etc/gh-backend/ssl/tls.key", "Specify the path of TLS key")
+	httpsPort = flag.String("https", ":443", "Specify port for http secure hosting(example for format :443)")
+	httpPort  = flag.String("http", ":80", "Specify port for http hosting(example for format :80)")
+	// zitadelAccessKey = flag.String("zitadel-access-key", "/etc/gh-backend/zitadel/api-key.json", "Specify the path of Zitadel access key")
+	// zitadelURI       = flag.String("zitadel-uri", "zitadel.varghacsongor.hu", "Specify the Zitadel URI")
+	memgraphURI     = flag.String("memgraph", "bolt+ssc://memgraph:7687", "Specify the Memgraph database URI")
+	memgraphUser    = flag.String("memgraph-user", "", "Specify the Memgraph database user")
+	memgraphPass    = flag.String("memgraph-pass", "", "Specify the Memgraph database password")
+	release         = flag.Bool("release", false, "Set true to release build")
+	logToFile       = flag.Bool("log-to-file", false, "Set true to log to file")
+	logToFileAndStd = flag.Bool("log-to-file-and-std", false, "Set true to log to file and std")
+	requestTimeout  = time.Duration(*flag.Int("request-timeout", 20, "Set request timeout in seconds"))
+)
+
+func main() {
+	flag.Parse()
+	if *release {
+		gin.SetMode(gin.ReleaseMode)
+	}
+
+	utilities.SetupLogger(*logToFileAndStd, *logToFile)
+
+	hc := healthcheck.New()
+
+	memgraphDriver := memgraph.InitDatabase(*memgraphURI, *memgraphUser, *memgraphPass)
+
+	router := gin.Default()
+	router.Use(cors.New(cors.Config{
+		AllowOrigins:     []string{"http://localhost:5173", "http://localhost", "https://heritagebackend.varghacsongor.hu", "https://feature-add-frontend.generationsheritage.pages.dev/", "https://csalad.varghacsongor.hu/"},
+		AllowCredentials: true,
+		AllowHeaders:     []string{"Authorization", "id", "Content-Type"},
+		MaxAge:           12 * time.Hour,
+	}))
+	router.Use(gin.Recovery())
+
+	//ctx := context.Background()
+
+	// Initiate the authorization by providing a zitadel configuration and a verifier.
+	// This example will use OAuth2 Introspection for this, therefore you will also need to provide the downloaded api key.json
+	//authZ, err := authorization.New(ctx, zitadel.New(*zitadelURI), oauth.DefaultAuthorization(*zitadelAccessKey))
+	//if err != nil {
+	//	log.Println("zitadel sdk could not initialize", "error", err)
+	//	os.Exit(1)
+	//}
+
+	// Initialize the HTTP middleware by providing the authorization
+	//mw := middleware.New(authZ)
+
+	//router.Use(auth(mw))
+	router.GET("/health", hc.HealthCheckHandler())
+	router.GET("/person", handlers.ViewPerson(memgraphDriver))
+	router.POST("/person", handlers.CreatePerson(memgraphDriver))
+	router.DELETE("/person", handlers.DeletePerson(memgraphDriver))
+	router.PUT("/person", handlers.UpdatePerson(memgraphDriver))
+	router.POST("/relationship", handlers.CreateRelationship(memgraphDriver))
+	router.DELETE("/relationship", handlers.DeleteRelationship(memgraphDriver))
+	router.PUT("/relationship", handlers.VerifyRelationship(memgraphDriver))
+	router.POST("/createRelationshipAndPerson", handlers.CreateRelationshipAndPerson(memgraphDriver))
+	router.GET("/familyTree", handlers.ViewFamiliyTree(memgraphDriver))
+
+	server := utilities.SetupHttpsServer(router, *cert, *key, *httpsPort, *httpPort, requestTimeout)
+
+	// Wait for interrupt signal to gracefully shutdown the server with some time to finish requests.
+	quit := make(chan os.Signal, 1)
+	// kill (no param) default send syscall.SIGTERM
+	// kill -2 is syscall.SIGINT
+	// kill -9 is syscall.SIGKILL but can't be caught, so don't need to add it
+	signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM, os.Interrupt)
+	<-quit
+	log.Println("Shutting down server...")
+
+	// The context is used to inform the server it has some seconds to finish
+	// the request it is currently handling
+	ctx, cancel := context.WithTimeout(context.Background(), requestTimeout*time.Second)
+	defer cancel()
+
+	if err := server.Shutdown(ctx); err != nil {
+		log.Fatal("Server forced to shutdown:", err)
+	}
+
+	log.Println("Server exiting")
+}
--- a/apps/db-handler/pkg/fileExists.go
+++ b/apps/db-handler/pkg/fileExists.go
@@ -0,0 +1,11 @@
+package pkg
+
+import (
+	"os"
+)
+
+// Checks if file on path exists or not
+func FileExists(path string) bool {
+	_, err := os.Stat(path)
+	return !os.IsNotExist(err)
+}
--- a/apps/db-handler/pkg/fileExists_test.go
+++ b/apps/db-handler/pkg/fileExists_test.go
@@ -0,0 +1,27 @@
+package pkg
+
+import (
+	"os"
+	"testing"
+)
+
+func TestFileExists(t *testing.T) {
+	// Create a temporary file for testing
+	file, err := os.CreateTemp("", "testfile")
+	if err != nil {
+		t.Fatalf("Failed to create temporary file: %v", err)
+	}
+	defer os.Remove(file.Name())
+
+	// Test with an existing file
+	exists := FileExists(file.Name())
+	if !exists {
+		t.Errorf("FileExists(%q) = false, want true", file.Name())
+	}
+
+	// Test with a non-existing file
+	exists = FileExists("non_existing_file.txt")
+	if exists {
+		t.Errorf("FileExists(%q) = true, want false", "non_existing_file.txt")
+	}
+}
--- a/apps/db-handler/pkg/gin/healthcheck/health_check.go
+++ b/apps/db-handler/pkg/gin/healthcheck/health_check.go
@@ -0,0 +1,54 @@
+package healthcheck
+
+import (
+	"net/http"
+	"sync"
+
+	"github.com/gin-gonic/gin"
+)
+
+type HealthCheck interface {
+	SetStatus(status string)
+	GetStatus() string
+	HealthCheckHandler() gin.HandlerFunc
+}
+
+type healthCheck struct {
+	status string
+	sync   sync.Mutex
+}
+
+func New() HealthCheck {
+	return &healthCheck{
+		status: "ok",
+	}
+}
+
+func (hc *healthCheck) SetStatus(status string) {
+	hc.sync.Lock()
+	defer hc.sync.Unlock()
+
+	hc.status = status
+}
+
+func (hc *healthCheck) GetStatus() string {
+	hc.sync.Lock()
+	defer hc.sync.Unlock()
+
+	return hc.status
+}
+
+func (hc *healthCheck) HealthCheckHandler() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		switch hc.GetStatus() {
+		case "nok":
+			c.JSON(http.StatusInternalServerError, gin.H{
+				"status": hc.GetStatus(),
+			})
+		default:
+			c.JSON(http.StatusOK, gin.H{
+				"status": hc.GetStatus(),
+			})
+		}
+	}
+}
--- a/apps/db-handler/pkg/gin/healthcheck/health_check_test.go
+++ b/apps/db-handler/pkg/gin/healthcheck/health_check_test.go
@@ -0,0 +1,131 @@
+package healthcheck
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/gin-gonic/gin"
+)
+
+func TestHealthCheck_GetStatus(t *testing.T) {
+	var hc HealthCheck
+
+	type fields struct {
+		status string
+	}
+	tests := []struct {
+		name   string
+		fields fields
+		want   string
+	}{
+		{
+			name: "Test GetStatus with status ok",
+			fields: fields{
+				status: "ok",
+			},
+			want: "ok",
+		},
+		{
+			name: "Test GetStatus with status nok",
+			fields: fields{
+				status: "nok",
+			},
+			want: "nok",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			hc = &healthCheck{
+				status: tt.fields.status,
+			}
+			if got := hc.GetStatus(); got != tt.want {
+				t.Errorf("HealthCheck.GetStatus() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestHealthCheck_SetStatus(t *testing.T) {
+	hc := New()
+
+	type args struct {
+		status string
+	}
+	tests := []struct {
+		name string
+		args args
+		want string
+	}{
+		{
+			name: "Test SetStatus with status ok",
+			args: args{
+				status: "ok",
+			},
+			want: "ok",
+		},
+		{
+			name: "Test SetStatus with status nok",
+			args: args{
+				status: "nok",
+			},
+			want: "nok",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			hc.SetStatus(tt.args.status)
+			if got := hc.GetStatus(); got != tt.want {
+				t.Errorf("HealthCheck.GetStatus() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestHealthCheck_HealthCheckHandler(t *testing.T) {
+	r := gin.Default()
+	hc := New()
+	r.GET("/health", hc.HealthCheckHandler())
+	type args struct {
+		status string
+	}
+	tests := []struct {
+		name       string
+		args       args
+		want       string
+		statusCode int
+	}{
+		{
+			name: "Test respond with status ok",
+			args: args{
+				status: "ok",
+			},
+			want:       `{"status":"ok"}`,
+			statusCode: http.StatusOK,
+		},
+		{
+			name: "Test respond with status nok",
+			args: args{
+				status: "nok",
+			},
+			want:       `{"status":"nok"}`,
+			statusCode: http.StatusInternalServerError,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			hc.SetStatus(tt.args.status)
+
+			w := httptest.NewRecorder()
+			req, _ := http.NewRequest("GET", "/health", nil)
+			r.ServeHTTP(w, req)
+
+			if got := w.Code; got != tt.statusCode {
+				t.Errorf("HealthCheck response status code = %v, want %v", got, tt.statusCode)
+			}
+			if got := w.Body.String(); got != tt.want {
+				t.Errorf("HealthCheck response = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
--- a/apps/db-handler/pkg/memgraph/create_person.go
+++ b/apps/db-handler/pkg/memgraph/create_person.go
@@ -0,0 +1,30 @@
+package memgraph
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/neo4j/neo4j-go-driver/v5/neo4j"
+	"golang.org/x/net/context"
+)
+
+func (p *Person) CreatePerson(driver neo4j.DriverWithContext) (*neo4j.Record, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+
+	session := driver.NewSession(ctx, neo4j.SessionConfig{AccessMode: neo4j.AccessModeWrite})
+	defer session.Close(ctx)
+
+	if err := p.Verify(); err != nil {
+		return nil, err
+	}
+
+	query := fmt.Sprintf("CREATE (n:Person {%s}) RETURN n;", p.ToString())
+
+	result, err := session.Run(ctx, query, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	return result.Single(ctx)
+}
--- a/apps/db-handler/pkg/memgraph/create_relationship.go
+++ b/apps/db-handler/pkg/memgraph/create_relationship.go
@@ -0,0 +1,39 @@
+package memgraph
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/neo4j/neo4j-go-driver/v5/neo4j"
+	"golang.org/x/net/context"
+)
+
+func (r *Relationship) CreateRelationship(driver neo4j.DriverWithContext) (*neo4j.Record, 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 := r.Verify(); err != nil {
+		return nil, err
+	}
+
+	query := fmt.Sprintf(`MATCH (a:Person), (b:Person) WHERE a.id = '%s' AND b.id = '%s'`, r.FirstPersonID, r.SecondPersonID)
+
+	if r.Direction == "->" {
+		query = fmt.Sprintf(`%s CREATE (a)-[r:%s {verified: false}]->(b) RETURN r;`, query, r.Relationship)
+	} else if r.Direction == "<-" {
+		query = fmt.Sprintf(`%s CREATE (a)<-[r:%s {verified: false}]-(b) RETURN r;`, query, r.Relationship)
+	} else {
+		query = fmt.Sprintf(`%s CREATE (a)<-[r1:%s {verified: True}]-(b) CREATE (a)-[r2:%s {verified: True}]->(b) RETURN r1, r2;`,
+			query, r.Relationship, r.Relationship)
+	}
+
+	result, err := session.Run(ctx, query, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	return result.Single(ctx)
+}
--- a/apps/db-handler/pkg/memgraph/create_relationship_and_person.go
+++ b/apps/db-handler/pkg/memgraph/create_relationship_and_person.go
@@ -0,0 +1,45 @@
+package memgraph
+
+import (
+	"fmt"
+	"strings"
+	"time"
+
+	"github.com/google/uuid"
+	"github.com/neo4j/neo4j-go-driver/v5/neo4j"
+	"golang.org/x/net/context"
+)
+
+func (rp *RelationshipAndPerson) CreateRelationshipAndPerson(driver neo4j.DriverWithContext) (*neo4j.Record, 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 := rp.Verify(); err != nil {
+		return nil, err
+	}
+
+	rp.Person.ID = strings.ReplaceAll(uuid.New().String(), "-", "")
+
+	query := fmt.Sprintf(`MATCH (a:Person) WHERE a.id = '%s'`, rp.Relationship.FirstPersonID)
+
+	query = fmt.Sprintf("%s CREATE (b:Person {%s})", query, rp.Person.ToString())
+
+	if rp.Relationship.Direction == "->" {
+		query = fmt.Sprintf(`%s CREATE (a)-[r:%s {verified: True}]->(b) RETURN r;`, query, rp.Relationship.Relationship)
+	} else if rp.Relationship.Direction == "<-" {
+		query = fmt.Sprintf(`%s CREATE (a)<-[r:%s {verified: True}]-(b) RETURN r;`, query, rp.Relationship.Relationship)
+	} else {
+		query = fmt.Sprintf(`%s CREATE (a)<-[r1:%s {verified: True}]-(b) CREATE (a)-[r2:%s {verified: True}]->(b) RETURN r1, r2, b;`,
+			query, rp.Relationship.Relationship, rp.Relationship.Relationship)
+	}
+
+	result, err := session.Run(ctx, query, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	return result.Single(ctx)
+}
--- a/apps/db-handler/pkg/memgraph/create_schema.go
+++ b/apps/db-handler/pkg/memgraph/create_schema.go
@@ -0,0 +1,66 @@
+package memgraph
+
+import (
+	"time"
+
+	"github.com/neo4j/neo4j-go-driver/v5/neo4j"
+	"golang.org/x/net/context"
+)
+
+const dbCreateSchemaTimeout = 10 * time.Second
+
+func createIndexes(driver neo4j.DriverWithContext) error {
+	ctx, cancel := context.WithTimeout(context.Background(), dbCreateSchemaTimeout)
+	defer cancel()
+
+	session := driver.NewSession(ctx, neo4j.SessionConfig{AccessMode: neo4j.AccessModeWrite})
+	defer session.Close(ctx)
+
+	indexes := []string{
+		`CREATE INDEX ON :Person(id);`,
+		`CREATE INDEX ON :Person(last_name);`,
+		`CREATE INDEX ON :Person(first_name);`,
+		`CREATE INDEX ON :Person(born);`,
+		`CREATE INDEX ON :Person(mothers_first_name);`,
+		`CREATE INDEX ON :Person(mothers_last_name);`,
+	}
+
+	// Run index queries via implicit auto-commit transaction
+	for _, index := range indexes {
+		_, err := session.Run(ctx, index, nil)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func createConstraints(driver neo4j.DriverWithContext) error {
+	ctx, cancel := context.WithTimeout(context.Background(), dbCreateSchemaTimeout)
+	defer cancel()
+
+	session := driver.NewSession(ctx, neo4j.SessionConfig{AccessMode: neo4j.AccessModeWrite})
+	defer session.Close(ctx)
+
+	constraints := []string{
+		`CREATE CONSTRAINT ON (n:Person) ASSERT EXISTS (n.id);`,
+		`CREATE CONSTRAINT ON (n:Person) ASSERT EXISTS (n.last_name);`,
+		`CREATE CONSTRAINT ON (n:Person) ASSERT EXISTS (n.first_name);`,
+		`CREATE CONSTRAINT ON (n:Person) ASSERT EXISTS (n.born);`,
+		`CREATE CONSTRAINT ON (n:Person) ASSERT EXISTS (n.mothers_first_name);`,
+		`CREATE CONSTRAINT ON (n:Person) ASSERT EXISTS (n.mothers_last_name);`,
+		`CREATE CONSTRAINT ON (n:Person) ASSERT n.id IS UNIQUE;`,
+		`CREATE CONSTRAINT ON (n:Person) ASSERT n.last_name, n.first_name, n.born, n.mothers_first_name, n.mothers_last_name IS UNIQUE;`,
+	}
+
+	// Run index queries via implicit auto-commit transaction
+	for _, constraint := range constraints {
+		_, err := session.Run(ctx, constraint, nil)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
--- a/apps/db-handler/pkg/memgraph/cypher_verify_string.go
+++ b/apps/db-handler/pkg/memgraph/cypher_verify_string.go
@@ -0,0 +1,124 @@
+package memgraph
+
+import (
+	"fmt"
+	"strings"
+)
+
+var cypherKeywords = []string{
+	"CREATE",
+	"DELETE",
+	"DETACH",
+	"DETACH DELETE",
+	"FOREACH",
+	"LOAD CSV",
+	"MERGE",
+	"MATCH",
+	"ON",
+	"OPTIONAL MATCH",
+	"REMOVE",
+	"SET",
+	"START",
+	"UNION",
+	"UNWIND",
+	"WITH",
+	"RETURN",
+	"ORDER BY",
+	"SKIP",
+	"LIMIT",
+	"ASC",
+	"DESC",
+	"EXISTS",
+	"CALL",
+	"USING",
+	"CONSTRAINT",
+	"DROP",
+	"INDEX",
+	"WHERE",
+}
+
+var cypherOperators = []string{
+	"+",
+	"-",
+	"*",
+	"/",
+	"%",
+	"^",
+	"=",
+	"<",
+	">",
+	"<=",
+	">=",
+	"<>",
+	"AND",
+	"OR",
+	"XOR",
+	"NOT",
+	"IN",
+	"STARTS WITH",
+	"ENDS WITH",
+	"CONTAINS",
+	"IS NULL",
+	"IS NOT NULL",
+	"IS UNIQUE",
+	"IS NODE",
+	"IS RELATIONSHIP",
+	"IS PROPERTY KEY",
+	"IS MAP",
+	"IS LIST",
+	"IS BOOLEAN",
+	"IS STRING",
+	"IS NUMBER",
+	"IS INTEGER",
+	"IS FLOAT",
+	"IS NODE",
+	"IS RELATIONSHIP",
+	"IS PATH",
+	"IS POINT",
+	"IS DATE",
+	"IS DURATION",
+}
+
+// cypherDelimiters contains the delimiters that need to be escaped in a string to prevent cypher injection keys are the delimiters that need to be escaped and values are the escaped delimiters
+var cypherDelimiters = map[string]string{
+	"'":       `\'`,
+	`"`:       `\"`,
+	`\u0027`:  `\\u0027`,
+	`\u0022`:  "\\\\u0022",
+	"`":       "``",
+	"\\u0060": "\\u0060\\u0060",
+}
+
+// VerifyString verifies if a string is valid and does not contain cypher injection
+func VerifyString(s string) error {
+	s = strings.ToUpper(s)
+	for _, keyword := range cypherKeywords {
+		if strings.Contains(s, keyword) {
+			return fmt.Errorf("invalid string: %s contains cypher keyword: %s", s, keyword)
+		}
+	}
+
+	for _, operator := range cypherOperators {
+		if strings.Contains(s, operator) {
+			return fmt.Errorf("invalid string: %s contains cypher operator: %s", s, operator)
+		}
+	}
+
+	for key := range cypherDelimiters {
+		if strings.Contains(s, key) {
+			return fmt.Errorf("invalid string: %s contains cypher delimiter: %s", s, key)
+		}
+	}
+
+	return nil
+}
+
+// EscapeString escapes delimiters in a string to prevent cypher injection
+func EscapeString(s string) string {
+	result := s
+	for k, v := range cypherDelimiters {
+		result = strings.ReplaceAll(result, k, v)
+	}
+
+	return result
+}
--- a/apps/db-handler/pkg/memgraph/delete_person.go
+++ b/apps/db-handler/pkg/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
+}
--- a/apps/db-handler/pkg/memgraph/delete_relationship.go
+++ b/apps/db-handler/pkg/memgraph/delete_relationship.go
@@ -0,0 +1,36 @@
+package memgraph
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/neo4j/neo4j-go-driver/v5/neo4j"
+	"golang.org/x/net/context"
+)
+
+func (r *Relationship) DeleteRelationship(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 := r.Verify(); err != nil {
+		return err
+	}
+
+	query := ""
+	if r.Direction == "->" {
+		query = fmt.Sprintf(`MATCH (a)-[r:%s]->(b)`, r.Relationship)
+	} else if r.Direction == "<-" {
+		query = fmt.Sprintf(`MATCH (a)<-[r:%s]-(b)`, r.Relationship)
+	} else {
+		query = fmt.Sprintf(`MATCH (a)-[r:%s]-(b)`, r.Relationship)
+	}
+
+	query = fmt.Sprintf(`%s WHERE a.id = '%s' AND b.id = '%s' DELETE r;`, query, r.FirstPersonID, r.SecondPersonID)
+
+	_, err := session.Run(ctx, query, nil)
+
+	return err
+}
--- a/apps/db-handler/pkg/memgraph/init_database.go
+++ b/apps/db-handler/pkg/memgraph/init_database.go
@@ -0,0 +1,32 @@
+package memgraph
+
+import (
+	"context"
+	"log"
+
+	"github.com/neo4j/neo4j-go-driver/v5/neo4j"
+)
+
+func InitDatabase(dbURI, dbUser, dbPassword string) neo4j.DriverWithContext {
+	driver, err := neo4j.NewDriverWithContext(dbURI, neo4j.BasicAuth(dbUser, dbPassword, ""))
+	if err != nil {
+		log.Panicln(err)
+	}
+
+	ctx := context.Background()
+
+	err = driver.VerifyConnectivity(ctx)
+	if err != nil {
+		log.Panicln(err)
+	}
+
+	if err := createIndexes(driver); err != nil {
+		log.Panicln(err)
+	}
+
+	if err := createConstraints(driver); err != nil {
+		log.Panicln(err)
+	}
+
+	return driver
+}
--- a/apps/db-handler/pkg/memgraph/model.go
+++ b/apps/db-handler/pkg/memgraph/model.go
@@ -0,0 +1,272 @@
+package memgraph
+
+import (
+	"fmt"
+	"time"
+)
+
+var RelationshipTypes = []string{
+	"Parent",
+	"Child",
+	"Spouse",
+	"Sibling",
+}
+
+type Person struct {
+	ID                  string              `json:"id"`
+	Firstname           string              `json:"first_name"`
+	Middlename          string              `json:"middle_name"`
+	Lastname            string              `json:"last_name"`
+	Titles              []string            `json:"titles"`   // e.g. Jr., Sr., III
+	Suffixes            []string            `json:"suffixes"` // e.g. Ph.D., M.D.
+	ExtraNames          []string            `json:"extra_names"`
+	Aliases             []string            `json:"aliases"`
+	MothersFirstname    string              `json:"mothers_first_name"`
+	MothersLastname     string              `json:"mothers_last_name"`
+	Born                time.Time           `json:"born"`
+	Birthplace          string              `json:"birthplace"`
+	Residence           string              `json:"residence"`
+	Death               time.Time           `json:"death"`
+	Deathplace          string              `json:"deathplace"`
+	LifeEvents          []map[string]string `json:"life_events"`
+	Occupations         []string            `json:"occupation"`
+	OccupationToDisplay string              `json:"occupation_to_display"`
+	OthersSaid          map[string]string   `json:"others_said"`
+	Photos              map[string]string   `json:"photos"`
+	ProfilePicture      string              `json:"profile_picture"`
+	verified            bool
+}
+
+func (p *Person) ToString() string {
+	result := fmt.Sprintf("id: '%s'", p.ID)
+	if p.Firstname != "" {
+		result = fmt.Sprintf("%s, first_name: '%s'", result, p.Firstname)
+	}
+	if p.Lastname != "" {
+		result = fmt.Sprintf("%s, last_name: '%s'", result, p.Lastname)
+	}
+	if p.Middlename != "" {
+		result = fmt.Sprintf("%s, middle_name: '%s'", result, p.Middlename)
+	}
+	if p.MothersFirstname != "" {
+		result = fmt.Sprintf("%s, mothers_first_name: '%s'", result, p.MothersFirstname)
+	}
+	if p.MothersLastname != "" {
+		result = fmt.Sprintf("%s, mothers_last_name: '%s'", result, p.MothersLastname)
+	}
+	if !p.Born.IsZero() {
+		result = fmt.Sprintf("%s, born: date({year:%d, month:%d, day:%d})", result, p.Born.Year(), p.Born.Month(), p.Born.Day())
+	}
+	if !p.Death.IsZero() {
+		result = fmt.Sprintf("%s, death: date({year:%d, month:%d, day:%d})", result, p.Death.Year(), p.Death.Month(), p.Death.Day())
+	}
+	if p.Birthplace != "" {
+		result = fmt.Sprintf("%s, birthplace: '%s'", result, p.Birthplace)
+	}
+	if p.Residence != "" {
+		result = fmt.Sprintf("%s, residence: '%s'", result, p.Residence)
+	}
+	if p.Deathplace != "" {
+		result = fmt.Sprintf("%s, deathplace: '%s'", result, p.Deathplace)
+	}
+	if p.OccupationToDisplay != "" {
+		result = fmt.Sprintf("%s, occupation_to_display: '%s'", result, p.OccupationToDisplay)
+	}
+	if p.ProfilePicture != "" {
+		result = fmt.Sprintf("%s, profile_picture: '%s'", result, p.ProfilePicture)
+	}
+
+	if p.Titles != nil && len(p.Titles) > 0 {
+		result = fmt.Sprintf("%s, titles: [", result)
+		for _, title := range p.Titles {
+			result = fmt.Sprintf("%s'%s', ", result, title)
+		}
+		result = fmt.Sprintf("%s]", result[:len(result)-2])
+	}
+
+	if p.Suffixes != nil && len(p.Suffixes) > 0 {
+		result = fmt.Sprintf("%s, suffixes: [", result)
+		for _, suffix := range p.Suffixes {
+			result = fmt.Sprintf("%s'%s', ", result, suffix)
+		}
+		result = fmt.Sprintf("%s]", result[:len(result)-2])
+	}
+
+	if p.ExtraNames != nil && len(p.ExtraNames) > 0 {
+		result = fmt.Sprintf("%s, extra_names: [", result)
+		for _, extraName := range p.ExtraNames {
+			result = fmt.Sprintf("%s'%s', ", result, extraName)
+		}
+		result = fmt.Sprintf("%s]", result[:len(result)-2])
+	}
+
+	if p.Aliases != nil && len(p.Aliases) > 0 {
+		result = fmt.Sprintf("%s, aliases: [", result)
+		for _, alias := range p.Aliases {
+			result = fmt.Sprintf("%s'%s', ", result, alias)
+		}
+		result = fmt.Sprintf("%s]", result[:len(result)-2])
+	}
+
+	if p.LifeEvents != nil && len(p.LifeEvents) > 0 {
+		result = fmt.Sprintf("%s, life_events: [", result)
+		for i := 0; i < len(p.LifeEvents); i++ {
+			date, dok := p.LifeEvents[i]["date"]
+			event, eok := p.LifeEvents[i]["event"]
+			if dok && eok {
+				result = fmt.Sprintf("%s{date: '%s', event: '%s'}, ", result, date, event)
+			}
+		}
+		result = fmt.Sprintf("%s]", result[:len(result)-2])
+	}
+
+	if p.Occupations != nil && len(p.Occupations) > 0 {
+		result = fmt.Sprintf("%s, occupations: [", result)
+
+		for _, occupation := range p.Occupations {
+			result = fmt.Sprintf("%s'%s', ", result, occupation)
+		}
+
+		result = fmt.Sprintf("%s]", result[:len(result)-2])
+	}
+
+	if p.OthersSaid != nil {
+		result = fmt.Sprintf("%s, others_said: {", result)
+		for key, value := range p.OthersSaid {
+			result = fmt.Sprintf("%s%s: '%s', ", result, key, value)
+		}
+		result = fmt.Sprintf("%s}", result[:len(result)-2])
+	}
+
+	if p.Photos != nil && len(p.Photos) > 0 {
+		result = fmt.Sprintf("%s, photos: {", result)
+		for key, value := range p.Photos {
+			result = fmt.Sprintf("%s%s: '%s', ", result, key, value)
+		}
+		result = fmt.Sprintf("%s}", result[:len(result)-2])
+	}
+
+	return result
+}
+
+// Verify checks if the person is valid and does not contain cypher injection it also escapes the delimiters contained in any of the strings
+func (p *Person) Verify() error {
+	if p.verified {
+		return nil
+	}
+	if err := VerifyString(p.ID); err != nil {
+		return fmt.Errorf("invalid ID type %s", err)
+	}
+
+	p.Firstname = EscapeString(p.Firstname)
+	p.Middlename = EscapeString(p.Middlename)
+	p.Lastname = EscapeString(p.Lastname)
+	p.MothersFirstname = EscapeString(p.MothersFirstname)
+	p.MothersLastname = EscapeString(p.MothersLastname)
+	p.Birthplace = EscapeString(p.Birthplace)
+	p.Residence = EscapeString(p.Residence)
+	p.Deathplace = EscapeString(p.Deathplace)
+	p.OccupationToDisplay = EscapeString(p.OccupationToDisplay)
+	p.ProfilePicture = EscapeString(p.ProfilePicture)
+
+	for i, title := range p.Titles {
+		p.Titles[i] = EscapeString(title)
+	}
+
+	for i, suffix := range p.Suffixes {
+		p.Suffixes[i] = EscapeString(suffix)
+	}
+
+	for i, extraName := range p.ExtraNames {
+		p.ExtraNames[i] = EscapeString(extraName)
+	}
+
+	for i, alias := range p.Aliases {
+		p.Aliases[i] = EscapeString(alias)
+	}
+
+	for i, lifeEvent := range p.LifeEvents {
+		for key, value := range lifeEvent {
+			if key != "date" && key != "event" {
+				return fmt.Errorf("invalid key in life event")
+			}
+			p.LifeEvents[i][key] = EscapeString(value)
+		}
+	}
+
+	for i, occupation := range p.Occupations {
+		p.Occupations[i] = EscapeString(occupation)
+	}
+
+	for key, value := range p.OthersSaid {
+		if err := VerifyString(key); err != nil {
+			return fmt.Errorf("invalid key in others said %s", err)
+		}
+		p.OthersSaid[key] = EscapeString(value)
+	}
+
+	for key, value := range p.Photos {
+		if err := VerifyString(key); err != nil {
+			return fmt.Errorf("invalid key in photos %s", err)
+		}
+		p.Photos[key] = EscapeString(value)
+	}
+
+	p.verified = true
+
+	return nil
+}
+
+type Relationship struct {
+	FirstPersonID  string `json:"first_person_id"`
+	SecondPersonID string `json:"second_person_id"`
+	Relationship   string `json:"relationship"`
+	Direction      string `json:"direction"`
+}
+
+// Verify checks if the relationship is valid and does not contain cypher injection
+func (r *Relationship) Verify() error {
+	if r.Direction != "->" && r.Direction != "<-" && r.Direction != "-" {
+		return fmt.Errorf("invalid direction for relationship")
+	}
+
+	// Check if the relationship is in the list of valid relationships
+	found := false
+	for _, relationship := range RelationshipTypes {
+		if r.Relationship == relationship {
+			found = true
+
+			break
+		}
+	}
+	if !found {
+		return fmt.Errorf("invalid relationship type")
+	}
+
+	if err := VerifyString(r.FirstPersonID); err != nil {
+		return fmt.Errorf("invalid FirstPersonID type %s", err)
+	}
+
+	if err := VerifyString(r.SecondPersonID); err != nil {
+		return fmt.Errorf("invalid SecondPersonID type %s", err)
+	}
+
+	return nil
+}
+
+type RelationshipAndPerson struct {
+	Relationship Relationship `json:"relationship"`
+	Person       Person       `json:"person"`
+}
+
+func (r *RelationshipAndPerson) Verify() error {
+	if err := r.Relationship.Verify(); err != nil {
+		return err
+	}
+
+	if err := r.Person.Verify(); err != nil {
+		return err
+	}
+
+	return nil
+}
--- a/apps/db-handler/pkg/memgraph/model_test.go
+++ b/apps/db-handler/pkg/memgraph/model_test.go
@@ -0,0 +1,77 @@
+package memgraph
+
+import (
+	"testing"
+	"time"
+)
+
+func TestPerson_ToString(t *testing.T) {
+	tests := []struct {
+		name string
+		p    *Person
+		want string
+	}{
+		{
+			name: "Test with nil values",
+			p: &Person{
+				ID:               "1",
+				Firstname:        "John",
+				Lastname:         "Doe",
+				MothersFirstname: "Jane",
+				MothersLastname:  "Doe",
+				Born:             time.Date(2021, 1, 1, 0, 0, 0, 0, time.UTC),
+				Birthplace:       "New York",
+				Residence:        "New York",
+				Death:            time.Date(2021, 1, 1, 0, 0, 0, 0, time.UTC),
+				Deathplace:       "New York",
+			},
+			want: "ID: '1', Firstname: 'John', Lastname: 'Doe', MothersFirstname: 'Jane', MothersLastname: 'Doe', Born: date({year:2021, month:1, day:1}), Death: date({year:2021, month:1, day:1}), Birthplace: 'New York', Residence: 'New York', Deathplace: 'New York', OccupationToDisplay: '', ProfilePicture: ''",
+		}, {
+			name: "Test with All values",
+			p: &Person{
+				ID:               "1",
+				Firstname:        "John",
+				Lastname:         "Doe",
+				MothersFirstname: "Jane",
+				MothersLastname:  "Doe",
+				Born:             time.Date(2021, 1, 1, 0, 0, 0, 0, time.UTC),
+				Birthplace:       "New York",
+				Residence:        "New York",
+				Death:            time.Date(2021, 1, 1, 0, 0, 0, 0, time.UTC),
+				Deathplace:       "New York",
+				LifeEvents: []map[string]string{
+					{
+						"date":  "2021-01-01",
+						"event": "Event 1",
+					},
+					{
+						"date":  "2021-01-02",
+						"event": "Event 2",
+					},
+				},
+				Occupations: []string{
+					"Welder",
+					"Plumber",
+				},
+				OccupationToDisplay: "Welder",
+				OthersSaid: map[string]string{
+					"Beni": "He is a good person",
+					"Jani": "He is a bad person",
+				},
+				Photos: map[string]string{
+					"Profile": "profile.jpg",
+					"Family":  "family.jpg",
+				},
+				ProfilePicture: "profile.jpg",
+			},
+			want: "ID: '1', Firstname: 'John', Lastname: 'Doe', MothersFirstname: 'Jane', MothersLastname: 'Doe', Born: date({year:2021, month:1, day:1}), Death: date({year:2021, month:1, day:1}), Birthplace: 'New York', Residence: 'New York', Deathplace: 'New York', OccupationToDisplay: 'Welder', ProfilePicture: 'profile.jpg', LifeEvents: [{date: '2021-01-01', event: 'Event 1'}, {date: '2021-01-02', event: 'Event 2'}], Occupations: ['Welder', 'Plumber'], OthersSaid: {Beni: 'He is a good person', Jani: 'He is a bad person'}, Photos: {Profile: 'profile.jpg', Family: 'family.jpg'}",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := tt.p.ToString(); got != tt.want {
+				t.Errorf("Person.ToString() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
--- a/apps/db-handler/pkg/memgraph/update_person.go
+++ b/apps/db-handler/pkg/memgraph/update_person.go
@@ -0,0 +1,30 @@
+package memgraph
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/neo4j/neo4j-go-driver/v5/neo4j"
+	"golang.org/x/net/context"
+)
+
+func (p *Person) UpdatePerson(driver neo4j.DriverWithContext) (*neo4j.Record, 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 nil, err
+	}
+
+	query := fmt.Sprintf("MATCH (n:Person {id: '%s'}) SET n += {%s} RETURN n;", p.ID, p.ToString())
+
+	result, err := session.Run(ctx, query, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	return result.Single(ctx)
+}
--- a/apps/db-handler/pkg/memgraph/verify_relationship.go
+++ b/apps/db-handler/pkg/memgraph/verify_relationship.go
@@ -0,0 +1,39 @@
+package memgraph
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/neo4j/neo4j-go-driver/v5/neo4j"
+	"golang.org/x/net/context"
+)
+
+func (r *Relationship) VerifyRelationship(driver neo4j.DriverWithContext) (*neo4j.Record, 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 := r.Verify(); err != nil {
+		return nil, err
+	}
+
+	query := ""
+	if r.Direction == "->" {
+		query = fmt.Sprintf(`MATCH (a)-[r:%s]->(b)`, r.Relationship)
+	} else if r.Direction == "<-" {
+		query = fmt.Sprintf(`MATCH (a)<-[r:%s]-(b)`, r.Relationship)
+	} else {
+		query = fmt.Sprintf(`MATCH (a)-[r:%s]-(b)`, r.Relationship)
+	}
+
+	query = fmt.Sprintf(`%s WHERE a.id = %s AND b.id = %s set r.verified = true return r;`, query, r.FirstPersonID, r.SecondPersonID)
+
+	result, err := session.Run(ctx, query, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	return result.Single(ctx)
+}
--- a/apps/db-handler/pkg/setup_https_server.go
+++ b/apps/db-handler/pkg/setup_https_server.go
@@ -0,0 +1,40 @@
+package pkg
+
+import (
+	"errors"
+	"log"
+	"net/http"
+	"time"
+)
+
+func SetupHttpsServer(router http.Handler, cert, key, httpsPort, httpPort string, requestTimeout time.Duration) (server *http.Server) {
+	if FileExists(cert) && FileExists(key) {
+		server = &http.Server{
+			Addr:         httpsPort,
+			Handler:      router,
+			ReadTimeout:  5 * time.Second,
+			WriteTimeout: 10 * time.Second,
+		}
+		go func() {
+			log.Println("Server starts at port ", httpsPort)
+			if err := server.ListenAndServeTLS(cert, key); err != nil && errors.Is(err, http.ErrServerClosed) {
+				log.Fatal(err)
+			}
+		}()
+	} else {
+		server = &http.Server{
+			Addr:         httpPort,
+			Handler:      router,
+			ReadTimeout:  requestTimeout * time.Second,
+			WriteTimeout: requestTimeout * time.Second,
+		}
+		go func() {
+			log.Println("Server starts at port ", httpPort)
+			if err := server.ListenAndServe(); err != nil && errors.Is(err, http.ErrServerClosed) {
+				log.Fatal(err)
+			}
+		}()
+	}
+
+	return server
+}
--- a/apps/db-handler/pkg/setup_logger.go
+++ b/apps/db-handler/pkg/setup_logger.go
@@ -0,0 +1,29 @@
+package pkg
+
+import (
+	"fmt"
+	"io"
+	"log"
+	"os"
+	"time"
+
+	"github.com/gin-gonic/gin"
+)
+
+func SetupLogger(logToFileAndStd bool, logToFile bool) {
+	if logToFileAndStd || logToFile {
+		gin.DisableConsoleColor() // Disable Console Color, you don't need console color when writing the logs to file.
+		path := fmt.Sprintf("private/logs/%02dy_%02dm_%02dd_%02dh_%02dm_%02ds.log", time.Now().Year(), time.Now().Month(), time.Now().Day(), time.Now().Hour(), time.Now().Minute(), time.Now().Second())
+		logerror1 := os.MkdirAll("private/logs/", 0755)
+		f, logerror2 := os.Create(path)
+		if logerror1 != nil || logerror2 != nil {
+			log.Println("Cant log to file")
+		} else if logToFileAndStd {
+			gin.DefaultWriter = io.MultiWriter(f, os.Stdout)
+		} else {
+			gin.DefaultWriter = io.MultiWriter(f)
+		}
+	}
+	log.SetFlags(log.Ldate | log.Ltime | log.Lshortfile)
+	log.SetOutput(gin.DefaultErrorWriter)
+}