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554719f566
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47a9affc32
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@ -1,119 +0,0 @@
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package handlers
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import (
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"fmt"
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"io"
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"os"
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"strings"
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DB "log101/konulu-konum-backend/db"
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"log101/konulu-konum-backend/models"
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"github.com/dchest/uniuri"
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"github.com/gofiber/fiber/v2"
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"github.com/h2non/bimg"
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"gorm.io/gorm"
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)
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func KonuluKonumCreate(c *fiber.Ctx) error {
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clientURL := os.Getenv("CLIENT_URL")
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if form, err := c.MultipartForm(); err == nil {
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// Get form values
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author := form.Value["author"][0]
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description := form.Value["description"][0]
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// Geolocation is stored as JSON array string
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geolocation := fmt.Sprintf("[%s]", form.Value["geolocation"][0])
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file := form.File["selected-photo"][0]
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newFile, err := file.Open()
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if err != nil {
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fmt.Fprintln(os.Stderr, err)
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}
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defer newFile.Close()
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// Read image file
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data, err := io.ReadAll(newFile)
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if err != nil {
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fmt.Fprintln(os.Stderr, err)
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}
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// Compress image file and convert to webp
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newImage, err := bimg.NewImage(data).Convert(bimg.WEBP)
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if err != nil {
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fmt.Fprintln(os.Stderr, err)
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}
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// Save image file in public folder
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imageName := strings.Split(file.Filename, ".")[0]
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imagePath := fmt.Sprintf("./public/%s.webp", imageName)
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imageURL := fmt.Sprintf("%s.webp", imageName)
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err = bimg.Write(imagePath, newImage)
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if err != nil {
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fmt.Fprintln(os.Stderr, err)
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}
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// Generate public uri for the image this will be the
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// id for the konulu konum
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chars := uniuri.StdChars[26:52]
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randomUri := uniuri.NewLenChars(10, chars)
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imageUri := fmt.Sprintf("%s-%s-%s", randomUri[0:3], randomUri[3:7], randomUri[7:])
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// Write to DB
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db := DB.GetDB()
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db.Create(&models.KonuluKonum{URI: imageUri, ImageURL: imageURL, Coordinates: geolocation, AuthorName: author, Description: description, UnlockedCounter: 0})
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// Return URL
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redirectURL := fmt.Sprintf("%s/x?id=%s", clientURL, imageUri)
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return c.Redirect(redirectURL)
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}
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redirectUrl := fmt.Sprintf("%s?error=%s", clientURL, "true")
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return c.Redirect(redirectUrl)
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}
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func KonuluKonumGet(c *fiber.Ctx) error {
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uri := c.Params("locationUri")
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if len(uri) == 0 {
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return c.SendStatus(fiber.StatusBadRequest)
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}
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var konuluKonum models.KonuluKonum
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db := DB.GetDB()
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rows := db.Where("URI = ?", uri).First(&konuluKonum)
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if rows.Error != nil {
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return c.SendStatus(fiber.StatusInternalServerError)
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}
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return c.JSON(fiber.Map{
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"url": konuluKonum.URI,
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"blob_url": konuluKonum.ImageURL,
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"loc": konuluKonum.Coordinates,
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"author": konuluKonum.AuthorName,
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"description": konuluKonum.Description,
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"unlocked_counter": konuluKonum.UnlockedCounter,
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})
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}
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func KonuluKonumCounterUpdate(c *fiber.Ctx) error {
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uri := c.Params("locationUri")
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if len(uri) == 0 {
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return c.SendStatus(fiber.StatusBadRequest)
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}
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var konuluKonum models.KonuluKonum
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db := DB.GetDB()
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rows := db.Where("URI = ?", uri).First(&konuluKonum)
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if rows.Error != nil {
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return c.SendStatus(fiber.StatusNotFound)
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}
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rows = db.Model(&konuluKonum).Where("uri = ?", uri).UpdateColumn("unlocked_counter", gorm.Expr("unlocked_counter + 1"))
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if rows.Error != nil {
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c.SendStatus(fiber.StatusInternalServerError)
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}
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return c.JSON(fiber.Map{
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"counter": konuluKonum.ID,
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})
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}
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122
server.go
122
server.go
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@ -1,15 +1,22 @@
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package main
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import (
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"fmt"
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"io"
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"log"
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DB "log101/konulu-konum-backend/db"
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"log101/konulu-konum-backend/handlers"
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"log101/konulu-konum-backend/models"
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"strings"
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"os"
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"github.com/dchest/uniuri"
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"github.com/gofiber/fiber/v2"
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"github.com/gofiber/fiber/v2/middleware/cors"
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"github.com/gofiber/fiber/v2/middleware/logger"
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"github.com/h2non/bimg"
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"github.com/joho/godotenv"
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"gorm.io/gorm"
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)
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func main() {
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@ -19,33 +26,114 @@ func main() {
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log.Println("Error loading .env file")
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}
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// Create public folder for images
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err = os.Mkdir("public", 0750)
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if err != nil && !os.IsExist(err) {
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log.Fatal(err)
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}
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// Initialize db
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// initialize db
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DB.InitDB()
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db := DB.GetDB()
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app := fiber.New()
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app.Use(logger.New())
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app.Use(cors.New(cors.Config{
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AllowOrigins: "http://localhost:4321",
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}))
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// Serve static images
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app.Static("/images", "./public")
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// Create konulu konum
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app.Post("/api/location", handlers.KonuluKonumCreate)
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app.Get("/", func(c *fiber.Ctx) error {
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return c.SendString("Sample")
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})
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// Get konulu konum
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app.Get("/api/location/:locationUri", handlers.KonuluKonumGet)
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app.Post("/api/location", func(c *fiber.Ctx) error {
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if form, err := c.MultipartForm(); err == nil {
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// Get form values
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author := form.Value["author"][0]
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description := form.Value["description"][0]
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geolocation := fmt.Sprintf("[%s]", form.Value["geolocation"][0])
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// Update 'seen' counter of konulu konum
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// This is shown at the bottom of the web page
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app.Patch("/api/location/increment/:locationUri", handlers.KonuluKonumCounterUpdate)
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file := form.File["selected-photo"][0]
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fmt.Println(file.Filename, file.Size, file.Header["Content-Type"][0])
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newFile, err := file.Open()
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if err != nil {
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fmt.Fprintln(os.Stderr, err)
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}
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defer newFile.Close()
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data, err := io.ReadAll(newFile)
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if err != nil {
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fmt.Fprintln(os.Stderr, err)
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}
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// Compress image
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newImage, err := bimg.NewImage(data).Convert(bimg.WEBP)
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if err != nil {
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fmt.Fprintln(os.Stderr, err)
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}
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imageName := strings.Split(file.Filename, ".")[0]
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imagePath := fmt.Sprintf("./public/%s.webp", imageName)
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imageURL := fmt.Sprintf("%s.webp", imageName)
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err = bimg.Write(imagePath, newImage)
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if err != nil {
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fmt.Fprintln(os.Stderr, err)
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}
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// Generate public uri for the image
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chars := uniuri.StdChars[26:52]
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randomUri := uniuri.NewLenChars(10, chars)
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imageUri := fmt.Sprintf("%s-%s-%s", randomUri[0:3], randomUri[3:7], randomUri[7:])
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db.Create(&models.KonuluKonum{URI: imageUri, ImageURL: imageURL, Coordinates: geolocation, AuthorName: author, Description: description, UnlockedCounter: 0})
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return c.JSON(fiber.Map{
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"url": imageUri,
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})
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}
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return c.SendStatus(fiber.StatusBadRequest)
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})
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app.Get("/api/location/:locationUri", func(c *fiber.Ctx) error {
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uri := c.Params("locationUri")
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if len(uri) == 0 {
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return c.SendStatus(fiber.StatusBadRequest)
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}
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var konuluKonum models.KonuluKonum
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rows := db.Where("URI = ?", uri).First(&konuluKonum)
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if rows.Error != nil {
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return c.SendStatus(fiber.StatusInternalServerError)
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}
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return c.JSON(fiber.Map{
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"url": konuluKonum.URI,
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"blob_url": konuluKonum.ImageURL,
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"loc": konuluKonum.Coordinates,
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"author": konuluKonum.AuthorName,
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"description": konuluKonum.Description,
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"unlocked_counter": konuluKonum.UnlockedCounter,
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})
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})
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app.Patch("/api/location/increment/:locationUri", func(c *fiber.Ctx) error {
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uri := c.Params("locationUri")
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if len(uri) == 0 {
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return c.SendStatus(fiber.StatusBadRequest)
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}
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var konuluKonum models.KonuluKonum
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rows := db.Where("URI = ?", uri).First(&konuluKonum)
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if rows.Error != nil {
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return c.SendStatus(fiber.StatusNotFound)
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}
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rows = db.Model(&konuluKonum).Where("uri = ?", uri).UpdateColumn("unlocked_counter", gorm.Expr("unlocked_counter + 1"))
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if rows.Error != nil {
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c.SendStatus(fiber.StatusInternalServerError)
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}
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return c.JSON(fiber.Map{
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"counter": konuluKonum.ID,
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})
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})
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app.Listen(":3456")
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}
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