I creating API with Golang Gin Framework

Author: SametAvcii

.idea/.gitignore

@@ -0,0 +1,56 @@
+package controller
+
+import (
+	"github.com/gin-gonic/gin"
+	"github.com/go-playground/validator/v10"
+	"gitlab.com/pragmaticreviews/golang-gin-poc/entity"
+	"gitlab.com/pragmaticreviews/golang-gin-poc/service"
+	"gitlab.com/pragmaticreviews/golang-gin-poc/validators"
+	"net/http"
+)
+
+type VideoController interface {
+	FindAll() []entity.Video
+	Save(ctx *gin.Context) error
+	ShowAll(ctx *gin.Context)
+}
+
+type controller struct {
+	service service.VideoService
+}
+
+var validate *validator.Validate
+
+func New(service service.VideoService) VideoController {
+	validate = validator.New()
+	validate.RegisterValidation("is-cool", validators.ValidateCoolTitle)
+	return &controller{
+		service: service,
+	}
+}
+
+func (c *controller) FindAll() []entity.Video {
+	return c.service.FindAll()
+}
+
+func (c *controller) Save(ctx *gin.Context) error {
+	var video entity.Video
+	err := ctx.ShouldBindJSON(&video)
+	if err != nil {
+		return err
+	}
+	err = validate.Struct(video)
+	if err != nil {
+		return err
+	}
+	c.service.Save(video)
+	return nil
+}
+func (c *controller) ShowAll(ctx *gin.Context) {
+	videos := c.service.FindAll()
+	data := gin.H{
+		"title":  "Video Page",
+		"videos": videos,
+	}
+	ctx.HTML(http.StatusOK, "index.html", data)
+}

.idea/GraphQL-For-Go.iml

@@ -0,0 +1,14 @@
+package entity
+
+type Person struct {
+	Firstname string `json:"firstname"binding:"required"`
+	Lastname  string `json:"lastname"binding:"required"`
+	Age       int8   `json:"age"binding:"gte=1,lte=130"`
+	Email     string `json:"email"validate:"required,email"`
+}
+type Video struct {
+	Title       string `json:"title"binding:"min=2,max=200"validate:"is-cool"`
+	Description string `json:"description"binding:"max=200"`
+	URL         string `json:"url"binding:"required,url"`
+	Author      Person `json:"author" binding:"required"`
+}

.idea/modules.xml

@@ -0,0 +1,23 @@
+[GIN-debug] [WARNING] Running in "debug" mode. Switch to "release" mode in production.
+ - using env:	export GIN_MODE=release
+ - using code:	gin.SetMode(gin.ReleaseMode)
+
+[GIN-debug] GET    /css/*filepath            --> github.com/gin-gonic/gin.(*RouterGroup).createStaticHandler.func1 (5 handlers)
+[GIN-debug] HEAD   /css/*filepath            --> github.com/gin-gonic/gin.(*RouterGroup).createStaticHandler.func1 (5 handlers)
+[GIN-debug] Loaded HTML Templates (4): 
+	- 
+	- footer.html
+	- header.html
+	- index.html
+
+[GIN-debug] GET    /api/videos               --> main.main.func1 (5 handlers)
+[GIN-debug] POST   /api/videos               --> main.main.func2 (5 handlers)
+[GIN-debug] GET    /view/videos              --> gitlab.com/pragmaticreviews/golang-gin-poc/controller.VideoController.ShowAll-fm (5 handlers)
+[GIN-debug] [WARNING] You trusted all proxies, this is NOT safe. We recommend you to set a value.
+Please check https://pkg.go.dev/github.com/gin-gonic/gin#readme-don-t-trust-all-proxies for details.
+[GIN-debug] Listening and serving HTTP on :8080
+::1 - [28 Jan 22 14:08 +03] POST /api/videos 200 15.2434ms 
+::1 - [28 Jan 22 14:08 +03] GET /view/videos 200 11.0849ms 
+::1 - [28 Jan 22 14:08 +03] GET /view/videos 200 9.7141ms 
+::1 - [28 Jan 22 14:08 +03] GET /view/videos 200 18.1536ms 
+::1 - [28 Jan 22 14:08 +03] GET /view/videos 200 3.6197ms 

.idea/vcs.xml

@@ -0,0 +1,21 @@
+[GIN-debug] [WARNING] Running in "debug" mode. Switch to "release" mode in production.
+ - using env:	export GIN_MODE=release
+ - using code:	gin.SetMode(gin.ReleaseMode)
+
+[GIN-debug] GET    /css/*filepath            --> github.com/gin-gonic/gin.(*RouterGroup).createStaticHandler.func1 (3 handlers)
+[GIN-debug] HEAD   /css/*filepath            --> github.com/gin-gonic/gin.(*RouterGroup).createStaticHandler.func1 (3 handlers)
+[GIN-debug] Loaded HTML Templates (4): 
+	- index.html
+	- 
+	- footer.html
+	- header.html
+
+[GIN-debug] GET    /api/videos               --> main.main.func1 (3 handlers)
+[GIN-debug] POST   /api/videos               --> main.main.func2 (3 handlers)
+[GIN-debug] GET    /view/videos              --> gitlab.com/pragmaticreviews/golang-gin-poc/controller.VideoController.ShowAll-fm (3 handlers)
+[GIN-debug] [WARNING] You trusted all proxies, this is NOT safe. We recommend you to set a value.
+Please check https://pkg.go.dev/github.com/gin-gonic/gin#readme-don-t-trust-all-proxies for details.
+[GIN-debug] Listening and serving HTTP on :8080
+::1 - [29 Jan 22 01:30 +03] POST /api/videos 200 1.0623ms 
+::1 - [29 Jan 22 01:30 +03] GET /view/videos 200 1.3972ms 
+::1 - [29 Jan 22 01:30 +03] GET /favicon.ico 404 0s 

controller/video-controller.go

@@ -0,0 +1,22 @@
+module gitlab.com/pragmaticreviews/golang-gin-poc
+
+go 1.17
+
+require (
+	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/gin-gonic/gin v1.7.7 // indirect
+	github.com/go-playground/locales v0.13.0 // indirect
+	github.com/go-playground/universal-translator v0.17.0 // indirect
+	github.com/go-playground/validator/v10 v10.4.1 // indirect
+	github.com/golang/protobuf v1.3.3 // indirect
+	github.com/json-iterator/go v1.1.9 // indirect
+	github.com/leodido/go-urn v1.2.0 // indirect
+	github.com/mattn/go-isatty v0.0.12 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.1 // indirect
+	github.com/tpkeeper/gin-dump v1.0.1 // indirect
+	github.com/ugorji/go/codec v1.1.7 // indirect
+	golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 // indirect
+	golang.org/x/sys v0.0.0-20200116001909-b77594299b42 // indirect
+	gopkg.in/yaml.v2 v2.2.8 // indirect
+)

entity/video.go

@@ -0,0 +1,56 @@
+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=
+github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
+github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
+github.com/gin-gonic/gin v1.7.0/go.mod h1:jD2toBW3GZUr5UMcdrwQA10I7RuaFOl/SGeDjXkfUtY=
+github.com/gin-gonic/gin v1.7.7 h1:3DoBmSbJbZAWqXJC3SLjAPfutPJJRN1U5pALB7EeTTs=
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+github.com/go-playground/locales v0.13.0 h1:HyWk6mgj5qFqCT5fjGBuRArbVDfE4hi8+e8ceBS/t7Q=
+github.com/go-playground/locales v0.13.0/go.mod h1:taPMhCMXrRLJO55olJkUXHZBHCxTMfnGwq/HNwmWNS8=
+github.com/go-playground/universal-translator v0.17.0 h1:icxd5fm+REJzpZx7ZfpaD876Lmtgy7VtROAbHHXk8no=
+github.com/go-playground/universal-translator v0.17.0/go.mod h1:UkSxE5sNxxRwHyU+Scu5vgOQjsIJAF8j9muTVoKLVtA=
+github.com/go-playground/validator/v10 v10.4.1 h1:pH2c5ADXtd66mxoE0Zm9SUhxE20r7aM3F26W0hOn+GE=
+github.com/go-playground/validator/v10 v10.4.1/go.mod h1:nlOn6nFhuKACm19sB/8EGNn9GlaMV7XkbRSipzJ0Ii4=
+github.com/golang/protobuf v1.3.3 h1:gyjaxf+svBWX08ZjK86iN9geUJF0H6gp2IRKX6Nf6/I=
+github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
+github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
+github.com/json-iterator/go v1.1.9 h1:9yzud/Ht36ygwatGx56VwCZtlI/2AD15T1X2sjSuGns=
+github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
+github.com/leodido/go-urn v1.2.0 h1:hpXL4XnriNwQ/ABnpepYM/1vCLWNDfUNts8dX3xTG6Y=
+github.com/leodido/go-urn v1.2.0/go.mod h1:+8+nEpDfqqsY+g338gtMEUOtuK+4dEMhiQEgxpxOKII=
+github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY=
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+github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
+github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
+github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
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gin-log

@@ -0,0 +1,9 @@
+package middlewares
+
+import "github.com/gin-gonic/gin"
+
+func BasicAuth() gin.HandlerFunc {
+	return gin.BasicAuth(gin.Accounts{
+		"sametavcii": "golang",
+	})
+}

gin.log

@@ -0,0 +1,21 @@
+package middlewares
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/gin-gonic/gin"
+)
+
+func Logger() gin.HandlerFunc {
+	return gin.LoggerWithFormatter(func(param gin.LogFormatterParams) string {
+		return fmt.Sprintf("%s - [%s] %s %s %d %s \n",
+			param.ClientIP,
+			param.TimeStamp.Format(time.RFC822),
+			param.Method,
+			param.Path,
+			param.StatusCode,
+			param.Latency,
+		)
+	})
+}

go.mod

@@ -0,0 +1,57 @@
+package main
+
+import (
+	"io"
+	"net/http"
+	"os"
+
+	"github.com/gin-gonic/gin"
+	"gitlab.com/pragmaticreviews/golang-gin-poc/controller"
+	"gitlab.com/pragmaticreviews/golang-gin-poc/middlewares"
+	"gitlab.com/pragmaticreviews/golang-gin-poc/service"
+)
+
+var (
+	videoService    service.VideoService       = service.New()
+	videoController controller.VideoController = controller.New(videoService)
+)
+
+func setupLogOutput() {
+	f, _ := os.Create("gin.log")
+	gin.DefaultWriter = io.MultiWriter(f, os.Stdout)
+}
+
+func main() {
+
+	setupLogOutput()
+
+	server := gin.New()
+
+	server.Use(gin.Recovery(), middlewares.Logger())
+
+	server.Static("/css", "./templates/css")
+
+	server.LoadHTMLGlob("templates/*.html")
+
+	apiRoutes := server.Group("/api")
+	{
+		apiRoutes.GET("/videos", func(ctx *gin.Context) {
+			ctx.JSON(200, videoController.FindAll())
+		})
+
+		apiRoutes.POST("/videos", func(ctx *gin.Context) {
+			err := videoController.Save(ctx)
+			if err != nil {
+				ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			} else {
+				ctx.JSON(http.StatusOK, gin.H{"message": "Video Input is Valid!!"})
+			}
+
+		})
+	}
+	viewRoutes := server.Group("/view")
+	{
+		viewRoutes.GET("/videos", videoController.ShowAll)
+	}
+	server.Run(":8080")
+}

go.sum

@@ -0,0 +1,27 @@
+package service
+
+import "gitlab.com/pragmaticreviews/golang-gin-poc/entity"
+
+type VideoService interface {
+	Save(entity.Video) entity.Video
+	FindAll() []entity.Video
+}
+
+type videoService struct {
+	videos []entity.Video
+}
+
+func New() VideoService {
+	return &videoService{
+		videos: []entity.Video{},
+	}
+}
+
+func (service *videoService) Save(video entity.Video) entity.Video {
+	service.videos = append(service.videos, video)
+	return video
+}
+
+func (service *videoService) FindAll() []entity.Video {
+	return service.videos
+}

middlewares/basic-auth.go

@@ -0,0 +1,5 @@
+p {
+  font-family: Arial, Helvetica, sans-serif;
+  font-size: 1em;
+  color: #606060;
+}

middlewares/logger.go

@@ -0,0 +1,4 @@
+
+</body>
+
+</html>

server.go

@@ -0,0 +1,14 @@
+
+<!doctype html>
+<html>
+
+  <head>
+    <title>{{ .title }}</title>
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <meta charset="UTF-8">
+    
+    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css" integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh" crossorigin="anonymous">
+    <link rel="stylesheet" href="/css/index.css" />
+  </head>
+
+  <body class="container">