can now create and read
This commit is contained in:
parent
cb437f3bb6
commit
3df71a8302
180
main.go
180
main.go
@ -14,17 +14,11 @@ import (
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"github.com/jaswdr/faker"
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)
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// This is taken from our DB model
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type video struct {
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ID int `json:"id"`
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Filepath string `json:"filepath"`
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}
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// videos slice to seed record video data.
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var videos []video
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var dbpool *pgxpool.Pool
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func main() {
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dbpool, err := pgxpool.New(context.Background(), "postgresql://postgres:postgres@172.19.0.2:5432/postgres")
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var err error
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dbpool, err = pgxpool.New(context.Background(), "postgresql://postgres:postgres@172.19.0.2:5432/postgres")
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if err != nil {
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log.Fatal(err)
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}
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@ -35,7 +29,7 @@ func main() {
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CREATE TABLE IF NOT EXISTS public.videos
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(
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id integer NOT NULL,
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id serial NOT NULL,
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filepath text,
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CONSTRAINT videos_pkey PRIMARY KEY (id)
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)
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@ -53,70 +47,42 @@ func main() {
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faker := faker.New()
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for i := 0; i < 10; i++ {
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sqlStmt = fmt.Sprintf("insert into public.videos(id, filepath) values(%d, '%s')", i, faker.File().AbsoluteFilePathForUnix(2))
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sqlStmt = fmt.Sprintf("insert into public.videos(filepath) values('%s')", faker.File().AbsoluteFilePathForUnix(2))
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_, err = dbpool.Exec(context.Background(), sqlStmt)
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if err != nil {
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log.Fatalf("Unable to add videos: %v\n", err)
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}
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}
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rows, _ := dbpool.Query(context.Background(), "select * from videos")
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for rows.Next() {
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var id int
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var name string
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err = rows.Scan(&id, &name)
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if err != nil {
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log.Fatalf("Unable to list videos: %v\n", err)
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}
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fmt.Println(id, name)
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}
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err = rows.Err()
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if err != nil {
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log.Fatalf("Unable to list videos: %v\n", err)
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}
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// Legacy
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for i := 0; i < 10; i++ {
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videos = append(videos, video{ID: i, Filepath: faker.File().AbsoluteFilePathForUnix(5)})
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}
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router := gin.Default()
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router.SetTrustedProxies(nil)
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router.POST("/upload", ReceiveFile)
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router.GET("/videos", getvideos)
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router.GET("/videos/:id", getvideoByID)
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router.POST("/videos", postvideos)
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router.DELETE("/videos", delvideos)
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router.DELETE("/videos/:id", delvideoByID)
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router.PATCH("/videos/:id", updatevideo)
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router.POST("/video", ReceiveChunk)
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router.POST("/video/completed", ReceiveFile)
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router.GET("/videos", listVideos)
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router.GET("/videos/:id", getVideo)
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router.Run("localhost:8080")
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}
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func remove(slice []video, s int) []video {
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return append(slice[:s], slice[s+1:]...)
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}
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func ReceiveFile(c *gin.Context) {
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// maybe even re-verify mime-type (before or after upload)
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fileName := c.GetHeader("file-name")
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func ReceiveChunk(c *gin.Context) {
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/*
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get data from request
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write append data to file
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*/
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data, err := io.ReadAll(c.Request.Body)
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chunk, err := io.ReadAll(c.Request.Body)
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if err != nil {
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c.IndentedJSON(http.StatusBadRequest, "Unknown Error")
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return
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}
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fileName := c.GetHeader("file-name")
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f, err := os.OpenFile(fileName, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
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if err != nil {
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log.Fatal(err)
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}
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if _, err := f.Write(data); err != nil {
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if _, err := f.Write(chunk); err != nil {
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log.Fatal(err)
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}
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if err := f.Close(); err != nil {
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@ -126,84 +92,66 @@ func ReceiveFile(c *gin.Context) {
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c.IndentedJSON(http.StatusOK, "Received chunk")
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}
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// getvideos responds with the list of all videos as JSON.
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func getvideos(c *gin.Context) {
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c.IndentedJSON(http.StatusOK, videos)
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}
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func ReceiveFile(c *gin.Context) {
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currentDir, err := os.Getwd()
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if err != nil {
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log.Fatalf("Unable to get current working dir: %v\n", err)
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}
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// postvideos adds an video from JSON received in the request body.
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func postvideos(c *gin.Context) {
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var newvideo video
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// Call BindJSON to bind the received JSON to
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// newvideo.
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if err := c.BindJSON(&newvideo); err != nil {
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c.Status(http.StatusBadRequest)
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fileName, err := io.ReadAll(c.Request.Body)
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if err != nil {
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c.IndentedJSON(http.StatusBadRequest, "Unknown Error")
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return
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}
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for _, a := range videos {
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if a == newvideo {
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c.Status(http.StatusBadRequest)
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return
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}
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filepath := fmt.Sprintf("%s/%s", currentDir, fileName)
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sqlStmt := fmt.Sprintf("insert into public.videos(filepath) values('%s')", filepath)
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_, err = dbpool.Exec(context.Background(), sqlStmt)
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if err != nil {
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log.Fatalf("Unable to add video: %v\n", err)
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}
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// Add the new video to the slice.
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videos = append(videos, newvideo)
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c.IndentedJSON(http.StatusCreated, newvideo)
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c.IndentedJSON(http.StatusOK, "Completed Upload")
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}
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// getvideoByID locates the video whose ID value matches the id
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// parameter sent by the client, then returns that video as a response.
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func getvideoByID(c *gin.Context) {
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inputId := c.Param("id")
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// Loop through the list of videos, looking for
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// an video whose ID value matches the parameter.
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for _, a := range videos {
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if strconv.Itoa(a.ID) == inputId {
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c.IndentedJSON(http.StatusOK, a)
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return
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func listVideos(c *gin.Context) {
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var err error
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rows, _ := dbpool.Query(context.Background(), "select * from videos")
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for rows.Next() {
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var id int
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var filepath string
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err = rows.Scan(&id, &filepath)
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if err != nil {
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log.Fatalf("Unable to list videos: %v\n", err)
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}
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fmt.Println(id, filepath)
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}
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err = rows.Err()
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if err != nil {
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log.Fatalf("Unable to list videos: %v\n", err)
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}
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c.IndentedJSON(http.StatusNotFound, gin.H{"message": "video not found"})
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}
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func delvideos(c *gin.Context) {
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videos = []video{}
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c.IndentedJSON(http.StatusOK, videos)
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}
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func delvideoByID(c *gin.Context) {
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inputId := c.Param("id")
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for s, a := range videos {
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if strconv.Itoa(a.ID) == inputId {
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videos = remove(videos, s)
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c.IndentedJSON(http.StatusCreated, videos)
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return
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}
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}
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c.IndentedJSON(http.StatusNotFound, gin.H{"message": "video not found"})
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}
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func updatevideo(c *gin.Context) {
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inputId := c.Param("id")
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var newvideo video
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if err := c.BindJSON(&newvideo); err != nil {
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return
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}
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for s, a := range videos {
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if strconv.Itoa(a.ID) == inputId {
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videos = remove(videos, s)
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videos = append(videos, newvideo)
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c.IndentedJSON(http.StatusCreated, newvideo)
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return
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}
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}
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c.IndentedJSON(http.StatusNotFound, gin.H{"message": "video not found"})
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func getVideo(c *gin.Context) {
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var err error
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inputId, err := strconv.Atoi(c.Param("id"))
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if err != nil {
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log.Fatal(err)
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}
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sqlStmt := fmt.Sprintf("select * from videos where id = %d", inputId)
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rows, _ := dbpool.Query(context.Background(), sqlStmt)
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for rows.Next() {
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var id int
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var filepath string
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err = rows.Scan(&id, &filepath)
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if err != nil {
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log.Fatalf("Unable to list videos: %v\n", err)
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}
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fmt.Println(id, filepath)
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}
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err = rows.Err()
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if err != nil {
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log.Fatalf("Unable to list videos: %v\n", err)
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}
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}
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