konulu-konum-backend/server.go

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package main
import (
"fmt"
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"io"
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"log"
DB "log101/konulu-konum-backend/db"
"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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)
func main() {
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// Load environment variables
err := godotenv.Load()
if err != nil {
log.Println("Error loading .env file")
}
// initialize db
DB.InitDB()
db := DB.GetDB()
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app := fiber.New()
app.Use(logger.New())
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app.Use(cors.New(cors.Config{
AllowOrigins: "http://localhost:4321",
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}))
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app.Static("/images", "./public")
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app.Get("/", func(c *fiber.Ctx) error {
return c.SendString("Sample")
})
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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
author := form.Value["author"][0]
description := form.Value["description"][0]
geolocation := fmt.Sprintf("[%s]", form.Value["geolocation"][0])
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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()
if err != nil {
fmt.Fprintln(os.Stderr, err)
}
defer newFile.Close()
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data, err := io.ReadAll(newFile)
if err != nil {
fmt.Fprintln(os.Stderr, err)
}
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// Compress image
newImage, err := bimg.NewImage(data).Convert(bimg.WEBP)
if err != nil {
fmt.Fprintln(os.Stderr, err)
}
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imageName := strings.Split(file.Filename, ".")[0]
imagePath := fmt.Sprintf("./public/%s.webp", imageName)
imageURL := fmt.Sprintf("%s.webp", imageName)
bimg.Write(imagePath, newImage)
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// Generate public uri for the image
chars := uniuri.StdChars[26:52]
randomUri := uniuri.NewLenChars(10, chars)
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{
"url": imageUri,
})
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}
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return c.SendStatus(fiber.StatusBadRequest)
})
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app.Get("/api/location/:locationUri", func(c *fiber.Ctx) error {
uri := c.Params("locationUri")
if len(uri) == 0 {
return c.SendStatus(fiber.StatusBadRequest)
}
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var konuluKonum models.KonuluKonum
rows := db.Where("URI = ?", uri).First(&konuluKonum)
if rows.Error != nil {
return c.SendStatus(fiber.StatusInternalServerError)
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}
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return c.JSON(fiber.Map{
"url": konuluKonum.URI,
"blob_url": konuluKonum.ImageURL,
"loc": konuluKonum.Coordinates,
"author": konuluKonum.AuthorName,
"description": konuluKonum.Description,
"unlocked_counter": konuluKonum.UnlockedCounter,
})
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})
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app.Patch("/api/location/increment/:locationUri", func(c *fiber.Ctx) error {
uri := c.Params("locationUri")
if len(uri) == 0 {
return c.SendStatus(fiber.StatusBadRequest)
}
var konuluKonum models.KonuluKonum
rows := db.Where("URI = ?", uri).First(&konuluKonum)
if rows.Error != nil {
return c.SendStatus(fiber.StatusNotFound)
}
rows = db.Model(&konuluKonum).Where("uri = ?", uri).UpdateColumn("unlocked_counter", gorm.Expr("unlocked_counter + 1"))
if rows.Error != nil {
c.SendStatus(fiber.StatusInternalServerError)
}
return c.JSON(fiber.Map{
"counter": konuluKonum.ID,
})
})
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app.Listen(":3000")
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}