Initial commit

.gitignore

@@ -0,0 +1,2 @@
+/uploads/*
+test*

api/jsonVerify.go

@@ -0,0 +1,87 @@
+package api
+
+import (
+	"math"
+	"reflect"
+)
+
+// isIntegerType returns whether the type is an integer and if it's unsigned.
+// See: https://github.com/Kangaroux/go-map-schema/blob/master/schema.go#L328
+func isIntegerType(t reflect.Type) (yes bool, unsigned bool) {
+	switch t.Kind() {
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+		yes = true
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+		yes = true
+		unsigned = true
+	}
+
+	return
+}
+
+// isFloatType returns true if the type is a floating point. Note that this doesn't
+// care about the value -- unmarshaling the number "0" gives a float, not an int.
+// See: https://github.com/Kangaroux/go-map-schema/blob/master/schema.go#L319
+func isFloatType(t reflect.Type) (yes bool) {
+	switch t.Kind() {
+	case reflect.Float32, reflect.Float64:
+		yes = true
+	}
+
+	return
+}
+
+// CanConvert returns whether value v is convertible to type t.
+//
+// If t is a pointer and v is not nil, it checks if v is convertible to the type that
+// t points to.
+// Modified due to not handling slices (DefaultCanConvert fails on PhotoUrls and Tags)
+// See: https://github.com/Kangaroux/go-map-schema/blob/master/schema.go#L191
+func CanConvert(t reflect.Type, v reflect.Value) bool {
+	isPtr := t.Kind() == reflect.Ptr
+	isStruct := t.Kind() == reflect.Struct
+	dstType := t
+
+	// Check if v is a nil value.
+	if !v.IsValid() || (v.CanAddr() && v.IsNil()) {
+		return isPtr
+	}
+
+	// If the dst is a pointer, check if we can convert to the type it's pointing to.
+	if isPtr {
+		dstType = t.Elem()
+		isStruct = t.Elem().Kind() == reflect.Struct
+	}
+
+	// If the dst is a struct, we should check its nested fields.
+	if isStruct {
+		return v.Kind() == reflect.Map
+	}
+
+	if t.Kind() == reflect.Slice {
+		return v.Kind() == reflect.Slice
+	}
+
+	if !v.Type().ConvertibleTo(dstType) {
+		return false
+	}
+
+	// Handle converting to an integer type.
+	if dstInt, unsigned := isIntegerType(dstType); dstInt {
+		if isFloatType(v.Type()) {
+			f := v.Float()
+
+			if math.Trunc(f) != f {
+				return false
+			} else if unsigned && f < 0 {
+				return false
+			}
+		} else if srcInt, _ := isIntegerType(v.Type()); srcInt {
+			if unsigned && v.Int() < 0 {
+				return false
+			}
+		}
+	}
+
+	return true
+}

api/petApiHandlers.go

@@ -0,0 +1,331 @@
+package api
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"mime/multipart"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strconv"
+	"strings"
+
+	"git.tovijaeschke.xyz/tovi/JumboPetstore/database"
+	"git.tovijaeschke.xyz/tovi/JumboPetstore/models"
+
+	schema "github.com/Kangaroux/go-map-schema"
+	"github.com/gorilla/mux"
+)
+
+func deserialsePetJson(data []byte) (models.Pet, error) {
+	var (
+		petData                  models.Pet             = models.Pet{}
+		jsonStructureTest        map[string]interface{} = make(map[string]interface{})
+		jsonStructureTestResults *schema.CompareResults
+		err                      error
+	)
+
+	// Verify the JSON has the correct structure
+	json.Unmarshal(data, &jsonStructureTest)
+	jsonStructureTestResults, err = schema.CompareMapToStruct(
+		&petData,
+		jsonStructureTest,
+		&schema.CompareOpts{
+			ConvertibleFunc: CanConvert,
+			TypeNameFunc:    schema.DetailedTypeName,
+		})
+	if err != nil {
+		return petData, err
+	}
+
+	if len(jsonStructureTestResults.MismatchedFields) > 0 {
+		fmt.Println(jsonStructureTestResults.MismatchedFields)
+		return petData, errors.New("MismatchedFields found when deserializing data")
+	}
+
+	if len(jsonStructureTestResults.MissingFields) > 0 {
+		fmt.Println(jsonStructureTestResults.MissingFields)
+		return petData, errors.New("MissingFields found when deserializing data")
+	}
+
+	// Deserialize the JSON into the struct
+	err = json.Unmarshal(data, &petData)
+	return petData, err
+}
+
+func genericJsonReturn(w http.ResponseWriter, code int, msg, typ string) {
+	var (
+		responseJsonMap map[string]interface{}
+		responseJson    []byte
+		err             error
+	)
+
+	responseJsonMap = make(map[string]interface{})
+
+	w.WriteHeader(code)
+	responseJsonMap["code"] = code
+	responseJsonMap["type"] = typ
+	responseJsonMap["message"] = msg
+	responseJson, err = json.MarshalIndent(responseJsonMap, "", "  ")
+	if err != nil {
+		log.Printf("Error occured creating response: %s\n", err.Error())
+	}
+	w.Write(responseJson)
+}
+
+func PetHandlerCreateUpdate(w http.ResponseWriter, r *http.Request) {
+	var (
+		requestBody []byte
+		petData     models.Pet
+		returnJson  []byte
+		err         error
+	)
+
+	log.Printf("Pet handler recieved %s request", r.Method)
+
+	requestBody, err = ioutil.ReadAll(r.Body)
+	if err != nil {
+		log.Printf("Error encountered reading POST body: %s\n", err.Error())
+		genericJsonReturn(w, 500, "An error occured", "unknown")
+		return
+	}
+
+	petData, err = deserialsePetJson(requestBody)
+	if err != nil {
+		log.Printf("Invalid data provided to pet POST API: %s\n", err.Error())
+		genericJsonReturn(w, 405, "Invalid data", "unknown")
+		return
+	}
+
+	switch r.Method {
+	case "POST":
+		petData, err = database.CreatePet(petData)
+		if err != nil {
+			panic(err)
+		}
+		break
+	case "PUT":
+		petData, err = database.UpdatePet(petData)
+		if err != nil {
+			panic(err)
+		}
+		break
+	}
+
+	returnJson, err = json.MarshalIndent(petData, "", "  ")
+	if err != nil {
+		log.Printf("Error encountered when creating pet record: %s\n", err.Error())
+		w.WriteHeader(http.StatusInternalServerError)
+		w.Write([]byte("500 - An error has occured\n"))
+		return
+	}
+
+	// Return updated json
+	w.WriteHeader(http.StatusOK)
+	w.Write(returnJson)
+}
+
+func PetHandlerId(w http.ResponseWriter, r *http.Request) {
+	var (
+		petData      models.Pet
+		urlVars      map[string]string
+		returnJson   []byte
+		notFoundJson map[string]interface{} = make(map[string]interface{})
+		id_str       string
+		id           int
+		ok           bool
+		err          error
+	)
+
+	urlVars = mux.Vars(r)
+	id_str, ok = urlVars["petId"]
+	if !ok {
+		log.Printf("Error encountered getting id\n")
+		w.WriteHeader(http.StatusInternalServerError)
+		w.Write([]byte("500 - An error has occured\n"))
+		return
+	}
+
+	id, err = strconv.Atoi(id_str)
+	if err != nil {
+		log.Printf("Error encountered converting id to string: %s\n", err.Error())
+		w.WriteHeader(http.StatusInternalServerError)
+		w.Write([]byte("500 - An error has occured\n"))
+		return
+	}
+
+	petData = database.GetPetById(id)
+	if petData.Id == 0 {
+		log.Printf("Could not find pet with id %d\n", id)
+		w.WriteHeader(http.StatusNotFound)
+		notFoundJson["code"] = 404
+		notFoundJson["type"] = "unknown"
+		notFoundJson["message"] = "not found"
+		returnJson, err = json.MarshalIndent(notFoundJson, "", "  ")
+		w.Write(returnJson)
+		return
+	}
+
+	switch r.Method {
+	case "GET":
+		returnJson, err = json.MarshalIndent(petData, "", "  ")
+		if err != nil {
+			log.Printf("Error encountered when creating pet record: %s\n", err.Error())
+			w.WriteHeader(http.StatusInternalServerError)
+			w.Write([]byte("500 - An error has occured\n"))
+			return
+		}
+
+		// Return updated json
+		w.WriteHeader(http.StatusOK)
+		w.Write(returnJson)
+		break
+	case "POST":
+		err = r.ParseForm()
+		if err != nil {
+			log.Printf("Error encountered parsing form: %s\n", err.Error())
+			w.WriteHeader(http.StatusInternalServerError)
+			w.Write([]byte("500 - An error has occured\n"))
+			return
+		}
+
+		if r.FormValue("name") != "" {
+			petData.Name = r.FormValue("name")
+		}
+		if r.FormValue("status") != "" {
+			petData.Status = r.FormValue("status")
+		}
+
+		_, err = database.UpdatePet(petData)
+		if err != nil {
+			log.Printf("Error updating pet: %s\n", err.Error())
+			w.WriteHeader(http.StatusInternalServerError)
+			w.Write([]byte("500 - An error has occured\n"))
+			return
+		}
+
+		break
+	case "DELETE":
+		log.Printf("Marking pet %d as deleted\n", id)
+
+		database.DeletePet(petData)
+
+		w.WriteHeader(http.StatusOK)
+		notFoundJson["code"] = 200
+		notFoundJson["type"] = "unknown"
+		notFoundJson["message"] = id_str
+		returnJson, err = json.MarshalIndent(notFoundJson, "", "  ")
+		w.Write(returnJson)
+
+		break
+	}
+}
+
+func PetHandlerFindByStatus(w http.ResponseWriter, r *http.Request) {
+	var (
+		status     string
+		petData    []models.Pet
+		returnJson []byte
+		err        error
+	)
+
+	status = r.URL.Query().Get("status")
+	if status != "available" && status != "pending" && status != "sold" {
+		log.Printf("Invalid status provided to /pet/findByStatus")
+		w.WriteHeader(http.StatusInternalServerError)
+		w.Write([]byte("500 - An error has occured\n"))
+		return
+	}
+
+	petData, err = database.GetPetsByStatus(status)
+	if err != nil {
+		log.Printf("An error occured in GetPetsByStatus")
+		w.WriteHeader(http.StatusInternalServerError)
+		w.Write([]byte("500 - An error has occured\n"))
+		return
+	}
+
+	returnJson, err = json.MarshalIndent(petData, "", "  ")
+	if err != nil {
+		log.Printf("An error occured while serializing pet data to JSON")
+		w.WriteHeader(http.StatusInternalServerError)
+		w.Write([]byte("500 - An error has occured\n"))
+		return
+	}
+
+	w.Write(returnJson)
+
+}
+
+func PetHandlerUploadImage(w http.ResponseWriter, r *http.Request) {
+	var (
+		urlVars   map[string]string
+		file      multipart.File
+		handler   *multipart.FileHeader
+		tempFile  *os.File
+		nameSplit []string
+		fileBytes []byte
+		id_str    string
+		id        int
+		ok        bool
+		err       error
+	)
+
+	urlVars = mux.Vars(r)
+	id_str, ok = urlVars["petId"]
+	if !ok {
+		log.Printf("Error encountered getting id\n")
+		w.WriteHeader(http.StatusInternalServerError)
+		w.Write([]byte("500 - An error has occured\n"))
+		return
+	}
+
+	id, err = strconv.Atoi(id_str)
+	if err != nil {
+		log.Printf("Error encountered converting id to string: %s\n", err.Error())
+		w.WriteHeader(http.StatusInternalServerError)
+		w.Write([]byte("500 - An error has occured\n"))
+		return
+	}
+
+	fmt.Println(id)
+
+	// Upload 10Mb files
+	r.ParseMultipartForm(10 << 20)
+	file, handler, err = r.FormFile("file")
+	if err != nil {
+		log.Printf("Error retrieving file: %s\n", err.Error())
+		w.WriteHeader(http.StatusInternalServerError)
+		w.Write([]byte("500 - An error has occured\n"))
+		return
+	}
+	defer file.Close()
+
+	nameSplit = strings.Split(handler.Filename, ".")
+
+	tempFile, err = ioutil.TempFile("./uploads", "upload-*."+nameSplit[len(nameSplit)-1])
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+	defer tempFile.Close()
+
+	fileBytes, err = ioutil.ReadAll(file)
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+
+	tempFile.Write(fileBytes)
+
+	err = database.AddPhotoToPet(id, filepath.Base(tempFile.Name()))
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+
+	fmt.Fprintf(w, "Successfully Uploaded File\n")
+}

api/petApiHandlers_test.go

@@ -0,0 +1,76 @@
+package api
+
+import (
+	"testing"
+)
+
+func TestDeserializePetJson(t *testing.T) {
+	jsonData := `
+{
+  "id": 5,
+  "category": {
+    "id": 6,
+    "name": "test_category"
+  },
+  "name": "doggie",
+  "photoUrls": [
+    "photo_url_test"
+  ],
+  "tags": [
+    {
+      "id": 0,
+      "name": "test_tags"
+    }
+  ],
+  "status": "available"
+}
+`
+
+	petData, err := deserialsePetJson(jsonData)
+	if err != nil {
+		t.Error(err.Error())
+		return
+	}
+
+	if petData.Id != 5 {
+		t.Errorf("Id was incorrect, got: %d, want: %d", petData.Id, 5)
+	}
+
+	if petData.Name != "doggie" {
+		t.Errorf("Name was incorrect, got: %s, want: %s", petData.Name, "doggie")
+	}
+
+	if petData.Status != "available" {
+		t.Errorf("Status was incorrect, got: %s, want: %s", petData.Status, "doggie")
+	}
+
+	if petData.Category.Id != 6 {
+		t.Errorf("Category Id was incorrect, got: %d, want: %d", petData.Category.Id, 6)
+	}
+
+	if petData.Category.Name != "test_category" {
+		t.Errorf("Category Name was incorrect, got: %s, want: %s", petData.Category.Name, "test_category")
+	}
+
+	if len(petData.PhotoUrls) != 1 && petData.PhotoUrls[0] != "photo_url_test" {
+		t.Errorf("PhotoUrls was incorrect, length: %d", len(petData.PhotoUrls))
+	}
+
+	if len(petData.Tags) != 1 && petData.Tags[0].Id != 0 && petData.Tags[0].Name != "test_tags" {
+		t.Errorf("Tags was incorrect, length: %d", len(petData.Tags))
+	}
+}
+
+func TestDeserializePetJsonFail(t *testing.T) {
+	jsonData := `
+{
+	"invalid": "data"
+}
+`
+
+	_, err := deserialsePetJson(jsonData)
+	if err == nil {
+		t.Error("Invalid data was provided, expected error was not thrown.")
+		t.Error(err.Error())
+	}
+}

api/routes.go

@@ -0,0 +1,25 @@
+package api
+
+import (
+	"net/http"
+
+	"github.com/gorilla/mux"
+)
+
+func InitApiEndpoints() *mux.Router {
+	var (
+		router *mux.Router
+	)
+
+	router = mux.NewRouter()
+
+	// Define routes for pet api
+	router.HandleFunc("/pet", PetHandlerCreateUpdate).Methods("POST", "PUT")
+	router.HandleFunc("/pet/findByStatus", PetHandlerFindByStatus).Methods("GET")
+	router.HandleFunc("/pet/{petId}", PetHandlerId).Methods("GET", "POST", "DELETE")
+	router.HandleFunc("/pet/{petId}/uploadImage", PetHandlerUploadImage).Methods("POST")
+
+	router.PathPrefix("/images/").Handler(http.FileServer(http.Dir("./uploads/")))
+
+	return router
+}

database/db.go

@@ -0,0 +1,35 @@
+package database
+
+import (
+	"log"
+
+	"git.tovijaeschke.xyz/tovi/JumboPetstore/models"
+
+	"gorm.io/driver/postgres"
+	"gorm.io/gorm"
+)
+
+const (
+	dbUrl = "postgres://postgres:@localhost:5432/petstore"
+)
+
+var (
+	DB *gorm.DB
+)
+
+func Init() {
+	var (
+		err error
+	)
+
+	DB, err = gorm.Open(postgres.Open(dbUrl), &gorm.Config{})
+
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	DB.AutoMigrate(&models.PetCategory{})
+	DB.AutoMigrate(&models.PetTag{})
+	DB.AutoMigrate(&models.PetPhoto{})
+	DB.AutoMigrate(&models.Pet{})
+}

database/pet.go

@@ -0,0 +1,158 @@
+package database
+
+import (
+	"fmt"
+
+	"git.tovijaeschke.xyz/tovi/JumboPetstore/models"
+	"git.tovijaeschke.xyz/tovi/JumboPetstore/util"
+	"gorm.io/gorm/clause"
+)
+
+func CreatePet(petData models.Pet) (models.Pet, error) {
+	var (
+		photoUrl string
+		fileName string
+		err      error
+	)
+
+	err = DB.Omit("PhotoUrlJson").Create(&petData).Error
+	if err != nil {
+		return petData, err
+	}
+
+	for _, photoUrl = range petData.PhotoUrlJson {
+		fileName, err = util.DownloadFile(photoUrl)
+		if err != nil {
+			return petData, err
+		}
+
+		petData.PhotoUrls = append(petData.PhotoUrls, models.PetPhoto{
+			PetId:    petData.Id,
+			FileName: fileName,
+		})
+	}
+
+	petData, err = UpdatePet(petData)
+	if err != nil {
+		return petData, err
+	}
+
+	return petData, err
+}
+
+func UpdatePet(petData models.Pet) (models.Pet, error) {
+	var (
+		photoUrl string
+		err      error
+	)
+
+	err = DB.Model(&models.Pet{}).
+		Where("id = ?", petData.Id).
+		Omit("PhotoUrlJson").
+		Updates(&petData).
+		Error
+	if err != nil {
+		return petData, err
+	}
+
+	// Delete existing pet photos
+	err = DB.Where("pet_id = ?", petData.ID).
+		Delete(&models.PetPhoto{}).
+		Error
+	if err != nil {
+		return petData, err
+	}
+
+	// Update pet photos from PUT data
+	for _, photoUrl = range petData.PhotoUrlJson {
+		err = DB.Create(&models.PetPhoto{
+			PetId: petData.Id,
+			Url:   photoUrl,
+		}).Error
+		if err != nil {
+			return petData, err
+		}
+	}
+
+	return petData, err
+}
+
+func GetPetById(id int) models.Pet {
+	var (
+		petData   models.Pet
+		petPhoto  models.PetPhoto
+		photoUrls []string
+	)
+
+	DB.Preload(clause.Associations).First(&petData, "id = ?", id)
+
+	for _, petPhoto = range petData.PhotoUrls {
+		photoUrls = append(photoUrls, "/images/"+petPhoto.FileName)
+	}
+
+	petData.PhotoUrlJson = photoUrls
+
+	fmt.Println(petData)
+
+	return petData
+}
+
+func DeletePet(petData models.Pet) {
+	DB.Where("pet_id = ?", petData.Id).Delete(&petData.Categories)
+	DB.Where("pet_id = ?", petData.Id).Delete(&petData.Tags)
+	DB.Where("pet_id = ?", petData.Id).Delete(&petData.PhotoUrls)
+	DB.Delete(&petData)
+}
+
+func GetPetsByStatus(status string) ([]models.Pet, error) {
+	var (
+		petDatas  []models.Pet
+		petData   models.Pet
+		petPhoto  models.PetPhoto
+		photoUrls []string
+		i         int
+		err       error
+	)
+
+	err = DB.Where("status = ?", status).Find(&petDatas).Error
+	if err != nil {
+		return petDatas, err
+	}
+
+	for i, petData = range petDatas {
+		err = DB.Where("pet_id = ?", petData.Id).Find(&petDatas[i].Tags).Error
+		if err != nil {
+			return petDatas, err
+		}
+
+		err = DB.Where("pet_id = ?", petData.Id).Find(&petDatas[i].PhotoUrls).Error
+		if err != nil {
+			return petDatas, err
+		}
+
+		for _, petPhoto = range petDatas[i].PhotoUrls {
+			photoUrls = append(photoUrls, "/images/"+petPhoto.FileName)
+		}
+
+		petDatas[i].PhotoUrlJson = photoUrls
+	}
+
+	return petDatas, err
+}
+
+func AddPhotoToPet(id int, fileName string) error {
+	var (
+		petData models.Pet
+		err     error
+	)
+
+	petData = GetPetById(id)
+
+	petData.PhotoUrls = append(petData.PhotoUrls, models.PetPhoto{
+		PetId:    id,
+		FileName: fileName,
+	})
+	_, err = UpdatePet(petData)
+
+	return err
+}

go.mod

@@ -0,0 +1,25 @@
+module git.tovijaeschke.xyz/tovi/JumboPetstore
+
+go 1.17
+
+require (
+	github.com/Kangaroux/go-map-schema v0.6.1
+	github.com/gorilla/mux v1.8.0
+	gorm.io/driver/postgres v1.2.3
+	gorm.io/gorm v1.22.5
+)
+
+require (
+	github.com/jackc/chunkreader/v2 v2.0.1 // indirect
+	github.com/jackc/pgconn v1.10.1 // indirect
+	github.com/jackc/pgio v1.0.0 // indirect
+	github.com/jackc/pgpassfile v1.0.0 // indirect
+	github.com/jackc/pgproto3/v2 v2.2.0 // indirect
+	github.com/jackc/pgservicefile v0.0.0-20200714003250-2b9c44734f2b // indirect
+	github.com/jackc/pgtype v1.9.1 // indirect
+	github.com/jackc/pgx/v4 v4.14.1 // indirect
+	github.com/jinzhu/inflection v1.0.0 // indirect
+	github.com/jinzhu/now v1.1.4 // indirect
+	golang.org/x/crypto v0.0.0-20220128200615-198e4374d7ed // indirect
+	golang.org/x/text v0.3.7 // indirect
+)

go.sum

@@ -0,0 +1,199 @@
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main.go

@@ -0,0 +1,29 @@
+package main
+
+import (
+	"log"
+	"net/http"
+
+	"git.tovijaeschke.xyz/tovi/JumboPetstore/api"
+	"git.tovijaeschke.xyz/tovi/JumboPetstore/database"
+
+	"github.com/gorilla/mux"
+)
+
+func main() {
+	var (
+		router *mux.Router
+	)
+
+	log.Println("Initializing database and running AutoMigrate...")
+
+	database.Init()
+
+	log.Println("Initializing Petstore API...")
+
+	// Initialize API endpoints
+	router = api.InitApiEndpoints()
+
+	// Start and listen to requests
+	http.ListenAndServe(":8080", router)
+}

models/pet.go

@@ -0,0 +1,36 @@
+package models
+
+import "gorm.io/gorm"
+
+type PetCategory struct {
+	gorm.Model `json:"-"`
+	Id         int    `json:"id" gorm:"primary_key"`
+	PetId      int    `json:"-"`
+	Name       string `json:"name"`
+}
+
+type PetTag struct {
+	gorm.Model `json:"-"`
+	Id         int    `json:"id" gorm:"primary_key"`
+	PetId      int    `json:"-"`
+	Name       string `json:"name"`
+}
+
+type PetPhoto struct {
+	gorm.Model `json:"-"`
+	Id         int    `gorm:"primary_key"`
+	PetId      int    `json:"-"`
+	Url        string `gorm:"-"`
+	FileName   string `json:"-"`
+}
+
+type Pet struct {
+	gorm.Model   `json:"-"`
+	Id           int         `json:"id" gorm:"primary_key"`
+	Name         string      `json:"name"`
+	Categories   PetCategory `json:"category" gorm:"ForeignKey:PetId"`
+	PhotoUrlJson []string    `json:"photoUrls" gorm:"-"`
+	PhotoUrls    []PetPhoto  `json:"-" gorm:"ForeignKey:PetId"`
+	Tags         []PetTag    `json:"tags" gorm:"ForeignKey:PetId"`
+	Status       string      `json:"status"`
+}

util/downloadFile.go

@@ -0,0 +1,38 @@
+package util
+
+import (
+	"io"
+	"io/ioutil"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+func DownloadFile(url string) (string, error) {
+	var (
+		nameSplit []string
+		resp      *http.Response
+		tempFile  *os.File
+		err       error
+	)
+
+	// Used to get the file extension
+	// This could be improved with a mime-type lookup
+	nameSplit = strings.Split(url, ".")
+
+	resp, err = http.Get(url)
+	if err != nil {
+		return "", err
+	}
+	defer resp.Body.Close()
+
+	tempFile, err = ioutil.TempFile("./uploads", "upload-*."+nameSplit[len(nameSplit)-1])
+	if err != nil {
+		return "", err
+	}
+	defer tempFile.Close()
+
+	_, err = io.Copy(tempFile, resp.Body)
+	return filepath.Base(tempFile.Name()), err
+}