first

.gitignore

@@ -0,0 +1,2 @@
+vendor/
+config.yml

config.default.yml

@@ -0,0 +1 @@
+file_path: /tmp

go.mod

@@ -0,0 +1,19 @@
+module git.trj.tw/golang/go-file-serve
+
+require (
+	git.trj.tw/golang/utils v0.0.0-20190225142552-b019626f0349
+	github.com/gin-contrib/sse v0.0.0-20190125020943-a7658810eb74 // indirect
+	github.com/gin-gonic/gin v1.3.0
+	github.com/golang/protobuf v1.2.0 // indirect
+	github.com/json-iterator/go v1.1.5 // indirect
+	github.com/mattn/go-isatty v0.0.5 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.1 // indirect
+	github.com/stretchr/testify v1.3.0 // indirect
+	github.com/ugorji/go/codec v0.0.0-20190204201341-e444a5086c43 // indirect
+	golang.org/x/net v0.0.0-20190213061140-3a22650c66bd // indirect
+	golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4 // indirect
+	gopkg.in/go-playground/assert.v1 v1.2.1 // indirect
+	gopkg.in/go-playground/validator.v8 v8.18.2 // indirect
+	gopkg.in/yaml.v2 v2.2.2
+)

go.sum

@@ -0,0 +1,43 @@
+git.trj.tw/golang/utils v0.0.0-20190116070516-b266ebeb2d82 h1:to19C8t9z6z4b1EMnMm8JIB4qDBCkBjEAhHH5yopSZ0=
+git.trj.tw/golang/utils v0.0.0-20190116070516-b266ebeb2d82/go.mod h1:yE+qbsUsijCTdwsaQRkPT1CXYk7ftMzXsCaaYx/0QI0=
+git.trj.tw/golang/utils v0.0.0-20190225142552-b019626f0349 h1:V6ifeiJ3ExnjaUylTOz37n6z5uLwm6fjKjnztbTCaQI=
+git.trj.tw/golang/utils v0.0.0-20190225142552-b019626f0349/go.mod h1:yE+qbsUsijCTdwsaQRkPT1CXYk7ftMzXsCaaYx/0QI0=
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/gin-contrib/sse v0.0.0-20190125020943-a7658810eb74 h1:FaI7wNyesdMBSkIRVUuEEYEvmzufs7EqQvRAxfEXGbQ=
+github.com/gin-contrib/sse v0.0.0-20190125020943-a7658810eb74/go.mod h1:VJ0WA2NBN22VlZ2dKZQPAPnyWw5XTlK1KymzLKsr59s=
+github.com/gin-gonic/gin v1.3.0 h1:kCmZyPklC0gVdL728E6Aj20uYBJV93nj/TkwBTKhFbs=
+github.com/gin-gonic/gin v1.3.0/go.mod h1:7cKuhb5qV2ggCFctp2fJQ+ErvciLZrIeoOSOm6mUr7Y=
+github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM=
+github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/json-iterator/go v1.1.5 h1:gL2yXlmiIo4+t+y32d4WGwOjKGYcGOuyrg46vadswDE=
+github.com/json-iterator/go v1.1.5/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
+github.com/mattn/go-isatty v0.0.5 h1:tHXDdz1cpzGaovsTB+TVB8q90WEokoVmfMqoVcrLUgw=
+github.com/mattn/go-isatty v0.0.5/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
+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=
+github.com/modern-go/reflect2 v1.0.1 h1:9f412s+6RmYXLWZSEzVVgPGK7C2PphHj5RJrvfx9AWI=
+github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+github.com/ugorji/go v1.1.2 h1:JON3E2/GPW2iDNGoSAusl1KDf5TRQ8k8q7Tp097pZGs=
+github.com/ugorji/go v1.1.2/go.mod h1:hnLbHMwcvSihnDhEfx2/BzKp2xb0Y+ErdfYcrs9tkJQ=
+github.com/ugorji/go/codec v0.0.0-20190204201341-e444a5086c43 h1:BasDe+IErOQKrMVXab7UayvSlIpiyGwRvuX3EKYY7UA=
+github.com/ugorji/go/codec v0.0.0-20190204201341-e444a5086c43/go.mod h1:iT03XoTwV7xq/+UGwKO3UbC1nNNlopQiY61beSdrtOA=
+golang.org/x/net v0.0.0-20190213061140-3a22650c66bd h1:HuTn7WObtcDo9uEEU7rEqL0jYthdXAmZ6PP+meazmaU=
+golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4 h1:YUO/7uOKsKeq9UokNS62b8FYywz3ker1l1vDZRCRefw=
+golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223 h1:DH4skfRX4EBpamg7iV4ZlCpblAHI6s6TDM39bFZumv8=
+golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/go-playground/assert.v1 v1.2.1 h1:xoYuJVE7KT85PYWrN730RguIQO0ePzVRfFMXadIrXTM=
+gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8bDuhia5mkpMnE=
+gopkg.in/go-playground/validator.v8 v8.18.2 h1:lFB4DoMU6B626w8ny76MV7VX6W2VHct2GVOI3xgiMrQ=
+gopkg.in/go-playground/validator.v8 v8.18.2/go.mod h1:RX2a/7Ha8BgOhfk7j780h4/u/RRjR0eouCJSH80/M2Y=
+gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

main.go

@@ -0,0 +1,31 @@
+package main
+
+import (
+	"fmt"
+	"log"
+
+	"git.trj.tw/golang/go-file-serve/module/config"
+	"git.trj.tw/golang/go-file-serve/module/flags"
+	"git.trj.tw/golang/go-file-serve/routes"
+)
+
+func init() {
+	flags.RegFlags()
+}
+
+func main() {
+	var err error
+
+	flag := flags.GetFlags()
+
+	err = config.LoadConfig(flag.ConfigPath)
+	if err != nil {
+		log.Fatal(err)
+	}
+	conf := config.GetConf()
+
+	engine := routes.NewEngine()
+	routes.SetRoutes(engine)
+
+	engine.Run(fmt.Sprintf(":%d", conf.Port))
+}

module/config/config.go

@@ -0,0 +1,75 @@
+package config
+
+import (
+	"errors"
+	"io/ioutil"
+	"os"
+	"path"
+	"strconv"
+
+	"gopkg.in/yaml.v2"
+
+	"git.trj.tw/golang/utils"
+)
+
+// Config struct
+type Config struct {
+	Port     int    `yaml:"port"`
+	FilePath string `yaml:"file_path"`
+}
+
+var conf *Config
+
+// LoadConfig -
+func LoadConfig(p ...interface{}) (err error) {
+	var confPath string
+	if len(p) > 0 {
+		if str, ok := p[0].(string); ok && len(str) > 0 {
+			confPath = str
+		}
+	}
+	if len(confPath) == 0 {
+		root, err := os.Getwd()
+		if err != nil {
+			return err
+		}
+		confPath = path.Join(root, "config.yml")
+	}
+	if !utils.CheckExists(confPath, false) {
+		return errors.New("config file not found")
+	}
+
+	fileByte, err := ioutil.ReadFile(confPath)
+	if err != nil {
+		return err
+	}
+
+	conf = &Config{}
+	err = yaml.Unmarshal(fileByte, conf)
+
+	overrideConfgWithEnv()
+	if !utils.IsDir(conf.FilePath) {
+		return errors.New("file path not folder")
+	}
+	return
+}
+
+func overrideConfgWithEnv() {
+	port := os.Getenv("PORT")
+	if len(port) > 0 {
+		if port, err := strconv.Atoi(port); err == nil {
+			conf.Port = port
+		}
+	}
+	filePath := os.Getenv("FILE_PATH")
+	if len(filePath) > 0 {
+		if utils.CheckExists(filePath, true) {
+			conf.FilePath = filePath
+		}
+	}
+}
+
+// GetConf -
+func GetConf() *Config {
+	return conf
+}

module/context/context.go

@@ -0,0 +1,88 @@
+package context
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/gin-gonic/gin/binding"
+)
+
+// Context -
+type Context struct {
+	*gin.Context
+}
+
+// CustomMiddleware -
+type CustomMiddleware func(*Context)
+
+// PatchContext -
+func PatchContext(handle CustomMiddleware) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		ctx := &Context{
+			Context: c,
+		}
+		handle(ctx)
+	}
+}
+
+func parseResponse(body interface{}) interface{} {
+	switch body.(type) {
+	case string:
+		return map[string]interface{}{
+			"message": body,
+		}
+	case map[string]interface{}:
+	case map[string]string:
+		return body
+	default:
+		return map[string]string{
+			"message": "empty",
+		}
+	}
+	return nil
+}
+
+// BindData client body data
+func (p *Context) BindData(i interface{}) error {
+	b := binding.Default(p.Request.Method, p.ContentType())
+	return p.ShouldBindWith(i, b)
+}
+
+// Success -
+func (p *Context) Success(res ...interface{}) {
+	var resBody interface{}
+	if len(res) > 0 {
+		resBody = parseResponse(res)
+	} else {
+		resBody = parseResponse("success")
+	}
+	p.AbortWithStatusJSON(http.StatusOK, resBody)
+}
+
+// ClientError -
+func (p *Context) ClientError(res ...interface{}) {
+	var resBody interface{}
+	if len(res) > 0 {
+		resBody = parseResponse(res)
+	} else {
+		resBody = parseResponse("bad request")
+	}
+	p.AbortWithStatusJSON(http.StatusBadRequest, resBody)
+}
+
+// ServerError -
+func (p *Context) ServerError(res ...interface{}) {
+	var resBody interface{}
+	if len(res) > 0 {
+		resBody = parseResponse(res)
+	} else {
+		resBody = parseResponse("internal error")
+	}
+	p.AbortWithStatusJSON(http.StatusInternalServerError, resBody)
+}
+
+// CustomRes -
+func (p *Context) CustomRes(status int, res interface{}) {
+	resBody := parseResponse(res)
+	p.AbortWithStatusJSON(status, resBody)
+}

module/flags/flags.go

@@ -0,0 +1,22 @@
+package flags
+
+import "flag"
+
+// Flags -
+type Flags struct {
+	ConfigPath string
+}
+
+var flags *Flags
+
+// RegFlags -
+func RegFlags() {
+	flags = &Flags{}
+	flag.StringVar(&flags.ConfigPath, "config", "", "config path")
+	flag.StringVar(&flags.ConfigPath, "f", "", "config path")
+}
+
+// GetFlags -
+func GetFlags() *Flags {
+	return flags
+}

routes/routes.go

@@ -0,0 +1,24 @@
+package routes
+
+import (
+ "github.com/gin-gonic/gin"
+ "net/http"
+)
+
+// NewEngine -
+func NewEngine () *gin.Engine {
+	engine := gin.New()
+	engine.Use(gin.Logger())
+	engine.Use(gin.Recovery())
+
+	return engine
+}
+
+// SetRoutes -
+func SetRoutes(r *gin.Engine) {
+	r.GET("/", func (c *gin.Context) {
+		c.JSON(http.StatusOK, gin.H{
+			"message": "success",
+		})
+	})
+}