Implement extraction upload

@@ -34,4 +34,5 @@
 # End of https://www.toptal.com/developers/gitignore/api/go,vscode
 
 __debug_bin
-config.json
\ No newline at end of file
+config.json
+data
\ No newline at end of file

@@ -32,6 +32,7 @@ func NewApp(config Config) *App {
 	app.router = mux.NewRouter()
 	app.router.HandleFunc("/users", app.PostUsers).Methods("POST")
 	app.router.HandleFunc("/users/tokens", app.PostTokens).Methods("POST")
+	app.router.Handle("/extractions", app.WithAuth(app.PostExtractions)).Methods("Post")
 
 	return app
 }

+package main
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+	"strings"
+
+	"github.com/google/uuid"
+)
+
+func (app *App) PostExtractions(w http.ResponseWriter, r *http.Request) {
+	userNo := r.Context().Value(PropUserNo).(uint64)
+	r.ParseMultipartForm(32 << 20)
+
+	form, _, err := r.FormFile("file")
+	if err != nil {
+		WriteError(w, http.StatusInternalServerError, "Unknown error")
+		return
+	}
+
+	defer form.Close()
+
+	dir := fmt.Sprintf("data/%d", userNo)
+	os.MkdirAll(dir, 0644)
+
+	name := strings.Replace(uuid.New().String(), "-", "", -1)
+	file, err := os.Create(fmt.Sprintf("%s/%s", dir, name))
+	if err != nil {
+		WriteError(w, http.StatusInternalServerError, "Unknown error")
+		return
+	}
+	defer file.Close()
+
+	_, err = io.Copy(file, form)
+	if err != nil {
+		WriteError(w, http.StatusInternalServerError, "Unknown error")
+		return
+	}
+
+	w.Write([]byte("success"))
+}

@@ -5,6 +5,7 @@ go 1.15
 require (
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible
 	github.com/go-sql-driver/mysql v1.5.0
+	github.com/google/uuid v1.1.2
 	github.com/gorilla/mux v1.8.0
 	github.com/jmoiron/sqlx v1.2.0
 	golang.org/x/crypto v0.0.0-20201016220609-9e8e0b390897

@@ -4,6 +4,8 @@ github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZm
 github.com/go-sql-driver/mysql v1.4.0/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
 github.com/go-sql-driver/mysql v1.5.0 h1:ozyZYNQW3x3HtqT1jira07DN2PArx2v7/mN66gGcHOs=
 github.com/go-sql-driver/mysql v1.5.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
+github.com/google/uuid v1.1.2 h1:EVhdT+1Kseyi1/pUmXKaFxYsDNy9RQYkMWRH68J/W7Y=
+github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
 github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
 github.com/jmoiron/sqlx v1.2.0 h1:41Ip0zITnmWNR/vHV+S4m+VoUivnWY5E4OJfLZjCJMA=