Add component to upload book cover images

internal/appcontext/main.go

@@ -3,6 +3,7 @@ package appcontext
 import (
 	"errors"
 
+	"git.artlef.fr/PersonalLibraryManager/internal/config"
 	"git.artlef.fr/PersonalLibraryManager/internal/model"
 	"github.com/gin-gonic/gin"
 	"github.com/nicksnyder/go-i18n/v2/i18n"
@@ -10,9 +11,10 @@ import (
 )
 
 type AppContext struct {
-	C    *gin.Context
-	Db   *gorm.DB
-	I18n *i18n.Bundle
+	C      *gin.Context
+	Db     *gorm.DB
+	I18n   *i18n.Bundle
+	Config *config.Config
 }
 
 func (ac AppContext) GetAuthenticatedUser() (model.User, error) {

internal/config/config.go

@@ -13,6 +13,7 @@ type Config struct {
 	DatabaseFilePath string `toml:"database_file_path" comment:"Path to sqlite database file."`
 	DemoDataPath     string `toml:"demo_data_path" comment:"The path to the sql file to load for demo data."`
 	JWTKey           string `toml:"jwt_key" comment:"The key used to encrypt the generated JWT. Encoded in base64. If empty a random one will be generated on every restart."`
+	ImageFolderPath  string `toml:"image_folder_path" comment:"Folder where uploaded files will be stored."`
 }
 
 func defaultConfig() Config {
@@ -21,6 +22,7 @@ func defaultConfig() Config {
 		DatabaseFilePath: "plm.db",
 		DemoDataPath:     "",
 		JWTKey:           "",
+		ImageFolderPath:  "img",
 	}
 }
 

internal/middleware/auth.go

@@ -17,6 +17,11 @@ func Auth() gin.HandlerFunc {
 			return
 		}
 
+		//do not check static files
+		if strings.HasPrefix(c.FullPath(), "/bookcover") {
+			return
+		}
+
 		username, err := parseUserFromJwt(c)
 		if err != nil {
 			c.AbortWithStatusJSON(http.StatusUnauthorized,

internal/routes/uploadbookcover.go

@@ -0,0 +1,24 @@
+package routes
+
+import (
+	"net/http"
+
+	"git.artlef.fr/PersonalLibraryManager/internal/appcontext"
+	"git.artlef.fr/PersonalLibraryManager/internal/myvalidator"
+	"github.com/gin-gonic/gin"
+)
+
+func PostUploadBookCoverHandler(ac appcontext.AppContext) {
+	file, err := ac.C.FormFile("file")
+	if err != nil {
+		myvalidator.ReturnErrorsAsJsonResponse(&ac, err)
+		return
+	}
+	filepath := file.Filename
+	err = ac.C.SaveUploadedFile(file, ac.Config.ImageFolderPath+"/"+filepath)
+	if err != nil {
+		myvalidator.ReturnErrorsAsJsonResponse(&ac, err)
+		return
+	}
+	ac.C.JSON(http.StatusOK, gin.H{"filepath": "/bookcover/" + filepath})
+}

internal/setup/setup.go

@@ -22,27 +22,31 @@ func Setup(config *config.Config) *gin.Engine {
 	r := gin.Default()
 	r.Use(cors.New(configureCors())) // All origins allowed by default
 	r.Use(middleware.Auth())
+	r.Static("/bookcover", config.ImageFolderPath)
 	bundle := i18nresource.InitializeI18n()
 	r.GET("/mybooks", func(c *gin.Context) {
-		routes.GetMyBooksHanderl(appcontext.AppContext{C: c, Db: db, I18n: bundle})
+		routes.GetMyBooksHanderl(appcontext.AppContext{C: c, Db: db, I18n: bundle, Config: config})
 	})
 	r.GET("/search/:searchterm", func(c *gin.Context) {
-		routes.GetSearchBooksHandler(appcontext.AppContext{C: c, Db: db, I18n: bundle})
+		routes.GetSearchBooksHandler(appcontext.AppContext{C: c, Db: db, I18n: bundle, Config: config})
 	})
 	r.GET("/book/:id", func(c *gin.Context) {
-		routes.GetBookHandler(appcontext.AppContext{C: c, Db: db, I18n: bundle})
+		routes.GetBookHandler(appcontext.AppContext{C: c, Db: db, I18n: bundle, Config: config})
 	})
 	r.POST("/book", func(c *gin.Context) {
-		routes.PostBookHandler(appcontext.AppContext{C: c, Db: db, I18n: bundle})
+		routes.PostBookHandler(appcontext.AppContext{C: c, Db: db, I18n: bundle, Config: config})
 	})
 	r.POST("/book/read", func(c *gin.Context) {
-		routes.PostBookReadHandler(appcontext.AppContext{C: c, Db: db, I18n: bundle})
+		routes.PostBookReadHandler(appcontext.AppContext{C: c, Db: db, I18n: bundle, Config: config})
 	})
 	r.POST("/auth/signup", func(c *gin.Context) {
-		routes.PostSignupHandler(appcontext.AppContext{C: c, Db: db, I18n: bundle})
+		routes.PostSignupHandler(appcontext.AppContext{C: c, Db: db, I18n: bundle, Config: config})
 	})
 	r.POST("/auth/login", func(c *gin.Context) {
-		routes.PostLoginHandler(appcontext.AppContext{C: c, Db: db, I18n: bundle})
+		routes.PostLoginHandler(appcontext.AppContext{C: c, Db: db, I18n: bundle, Config: config})
+	})
+	r.POST("/upload/cover", func(c *gin.Context) {
+		routes.PostUploadBookCoverHandler(appcontext.AppContext{C: c, Db: db, I18n: bundle, Config: config})
 	})
 	return r
 }