[백한결] Good-Night-Hackathon-Backend 제출

config/database/database.go

@@ -0,0 +1,26 @@
+package database
+
+import (
+	"gorm.io/driver/mysql"
+	"gorm.io/gorm"
+)
+
+type Database struct {
+	DB *gorm.DB
+}
+
+func NewDataBase() Database {
+	dsn := "root:qorgksruf123@tcp(127.0.0.1:3306)/goodnight?charset=utf8mb4&parseTime=True&loc=Local"
+	db, err := gorm.Open(mysql.Open(dsn), &gorm.Config{})
+
+	if err != nil {
+		panic("데이터베이스 연결에 실패하였습니다.")
+	}
+	return Database{
+		DB: db,
+	}
+}
+
+func GetDB() Database {
+	return NewDataBase()
+}

go.mod

@@ -0,0 +1,36 @@
+module Good-Night-2nd-Hackathon-Backend
+
+go 1.21.0
+
+require (
+	github.com/bytedance/sonic v1.9.1 // indirect
+	github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.2 // indirect
+	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/gin-gonic/gin v1.9.1 // 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 v10.14.0 // indirect
+	github.com/go-sql-driver/mysql v1.7.0 // indirect
+	github.com/goccy/go-json v0.10.2 // indirect
+	github.com/jinzhu/inflection v1.0.0 // indirect
+	github.com/jinzhu/now v1.1.5 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.4 // indirect
+	github.com/leodido/go-urn v1.2.4 // indirect
+	github.com/mattn/go-isatty v0.0.19 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/pelletier/go-toml/v2 v2.0.8 // indirect
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	github.com/ugorji/go/codec v1.2.11 // indirect
+	golang.org/x/arch v0.3.0 // indirect
+	golang.org/x/crypto v0.9.0 // indirect
+	golang.org/x/net v0.10.0 // indirect
+	golang.org/x/sys v0.8.0 // indirect
+	golang.org/x/text v0.9.0 // indirect
+	google.golang.org/protobuf v1.30.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+	gorm.io/driver/mysql v1.5.1 // indirect
+	gorm.io/gorm v1.25.4 // indirect
+)

go.sum

@@ -0,0 +1,90 @@
+github.com/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1O2AihPM=
+github.com/bytedance/sonic v1.9.1 h1:6iJ6NqdoxCDr6mbY8h18oSO+cShGSMRGCEo7F2h0x8s=
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+github.com/chenzhuoyu/base64x v0.0.0-20211019084208-fb5309c8db06/go.mod h1:DH46F32mSOjUmXrMHnKwZdA8wcEefY7UVqBKYGjpdQY=
+github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 h1:qSGYFH7+jGhDF8vLC+iwCD4WpbV1EBDSzWkJODFLams=
+github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311/go.mod h1:b583jCggY9gE99b6G5LEC39OIiVsWj+R97kbl5odCEk=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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main.go

@@ -0,0 +1,15 @@
+package main
+
+import (
+	"Good-Night-2nd-Hackathon-Backend/movie"
+	"Good-Night-2nd-Hackathon-Backend/review"
+	"github.com/gin-gonic/gin"
+)
+
+func main() {
+	r := gin.Default()
+	v1 := r.Group("/api/v1")
+	movie.Config(v1)
+	review.Config(v1)
+	_ = r.Run(":8080")
+}

movie/controller.go

@@ -0,0 +1,193 @@
+package movie
+
+import (
+	"Good-Night-2nd-Hackathon-Backend/config/database"
+	"Good-Night-2nd-Hackathon-Backend/review"
+	"github.com/gin-gonic/gin"
+	"net/http"
+	"strconv"
+	"time"
+)
+
+var db = database.GetDB()
+
+func Config(api *gin.RouterGroup) {
+	_ = db.DB.AutoMigrate(&Movie{})
+	api.POST("/movies", createMovie)
+	api.GET("/movies/:id", getMovie)
+	api.DELETE("/movies/:id", deleteMovie)
+	api.PUT("/movies/:id", updateMovie)
+	api.GET("/movies", getMovies)
+	api.GET("/movies-with-avg-rating", getMoviesWithAvgRating)
+}
+
+func createMovie(c *gin.Context) {
+	var request Request
+
+	if err := c.ShouldBind(&request); err != nil {
+		c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"error": "유효하지 않은 요청입니다."})
+		return
+	}
+
+	if request.Title == "" {
+		c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"error": "제목은 필수 입력값 입니다."})
+	}
+
+	m := request.toEntity()
+
+	if err := db.DB.Create(&m).Error; err != nil {
+		c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"error": "영화 등록에 실패하였습니다."})
+		return
+	}
+
+	c.JSON(http.StatusCreated, m.fromEntity())
+}
+
+func getMovie(c *gin.Context) {
+	movieID := c.Param("id")
+
+	var movie Movie
+	if err := db.DB.First(&movie, movieID).Error; err != nil {
+		c.AbortWithStatusJSON(http.StatusNotFound, gin.H{"error": "영화를 찾을 수 없습니다."})
+		return
+	}
+
+	c.JSON(http.StatusOK, movie.fromEntity())
+}
+
+func deleteMovie(c *gin.Context) {
+	movieID := c.Param("id")
+
+	var movie Movie
+	if err := db.DB.First(&movie, movieID).Error; err != nil {
+		c.AbortWithStatusJSON(http.StatusNotFound, gin.H{"error": "영화를 찾을 수 없습니다."})
+		return
+	}
+
+	if err := db.DB.Model(&movie).Update("deleted_at", time.Now()).Error; err != nil {
+		c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"error": "영화 삭제에 실패하였습니다."})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"error": "영화가 삭제되었습니다."})
+}
+
+func updateMovie(c *gin.Context) {
+	movieID := c.Param("id")
+
+	var movie Movie
+	if err := db.DB.First(&movie, movieID).Error; err != nil {
+		c.AbortWithStatusJSON(http.StatusNotFound, gin.H{"error": "영화를 찾을 수 없습니다."})
+		return
+	}
+
+	var request Request
+
+	if err := c.ShouldBind(&request); err != nil {
+		c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"error": "유효하지 않은 요청입니다."})
+		return
+	}
+
+	movie.Title = request.Title
+	movie.Genre = request.Genre
+	movie.ReleasedAt = request.ReleasedAt
+	movie.EndAt = request.EndAt
+	movie.IsShowing = request.ReleasedAt.Before(time.Now()) && request.EndAt.After(time.Now())
+
+	if err := db.DB.Save(&movie).Error; err != nil {
+		c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"error": "영화 정보 수정에 실패하였습니다."})
+		return
+	}
+
+	c.JSON(http.StatusOK, movie.fromEntity())
+}
+
+func getMovies(c *gin.Context) {
+	var movies []Movie
+
+	query := db.DB.Order("released_at")
+
+	genre := c.Query("genre")
+	if genre != "" {
+		query = query.Where("genre = ?", genre)
+	}
+
+	showing := c.Query("is_showing")
+	if showing != "" {
+		query = query.Where("is_showing = ?", showing == "true")
+	}
+
+	query.Find(&movies)
+
+	var response []response
+
+	for _, movie := range movies {
+		response = append(response, movie.fromEntity())
+	}
+
+	c.JSON(http.StatusOK, response)
+}
+
+type MovieWithAvgRating struct {
+	Movie   response `json:"movie"`
+	Average float64  `json:"averageRating"`
+}
+
+func getMoviesWithAvgRating(c *gin.Context) {
+	pageStr := c.DefaultQuery("page", "1")
+	perPageStr := c.DefaultQuery("perPage", "10")
+
+	page, err := strconv.Atoi(pageStr)
+	if err != nil || page <= 0 {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "유효하지 않은 페이지 번호입니다."})
+		return
+	}
+
+	perPage, err := strconv.Atoi(perPageStr)
+	if err != nil || perPage <= 0 {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "유효하지 않은 페이지당 아이템 수입니다."})
+		return
+	}
+
+	var movies []Movie
+
+	query := db.DB.Order("released_at")
+
+	genre := c.Query("genre")
+	if genre != "" {
+		query = query.Where("genre = ?", genre)
+	}
+
+	showing := c.Query("is_showing")
+	if showing != "" {
+		query = query.Where("is_showing = ?", showing == "true")
+	}
+
+	offset := (page - 1) * perPage
+
+	query.Offset(offset).Limit(perPage).Find(&movies)
+
+	var response []MovieWithAvgRating
+
+	for _, movie := range movies {
+		var reviews []review.Review
+		db.DB.Preload("Reviews").Where("movie_id = ?", movie.ID).Find(&reviews)
+
+		var totalRating float64
+		for _, r := range reviews {
+			totalRating += r.Rating
+		}
+
+		averageRating := 0.0
+		if len(reviews) > 0 {
+			averageRating = totalRating / float64(len(reviews))
+		}
+
+		response = append(response, MovieWithAvgRating{
+			Movie:   movie.fromEntity(),
+			Average: averageRating,
+		})
+	}
+
+	c.JSON(http.StatusOK, response)
+}

movie/entity.go

@@ -0,0 +1,19 @@
+package movie
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type Movie struct {
+	gorm.Model
+	ID         uint
+	Title      string `gorm:"uniqueKey"`
+	Genre      string
+	ReleasedAt time.Time
+	EndAt      time.Time
+	CreatedAt  time.Time `gorm:"autoCreateTime"`
+	UpdatedAt  time.Time `gorm:"autoUpdateTime"`
+	IsShowing  bool
+}