feat: add locally syncing and watchdog

internal/api/routes_file.go

@@ -1,7 +1,6 @@
 package api
 
 import (
-	"eden-server/internal/crypto"
 	"eden-server/internal/database"
 	"eden-server/internal/utility"
 	"errors"
@@ -10,7 +9,6 @@ import (
 	"path/filepath"
 
 	"github.com/gin-gonic/gin"
-	"github.com/google/uuid"
 	"gorm.io/gorm"
 )
 
@@ -35,57 +33,38 @@ func spawnFileRoutes(file *gin.RouterGroup, env utility.Environment, db *gorm.DB
 			return
 		}
 
-		checksum, err := crypto.CalculateHashFromRequest(f)
+		readerStream, err := f.Open()
 		if err != nil {
-			slog.Error("failed to calculate hash of file at given path", "error", err)
+			slog.Error("failed to open uploaded file in memory")
+		}
+		defer readerStream.Close()
+
+		fileData, err := database.BuildFileRecord(readerStream, f.Filename, env.ContentDirectory)
+		if err != nil {
+			slog.Error("failed to enroll file to the database", "error", err)
 			c.JSON(http.StatusInternalServerError, RespObj{
 				Msg: ieMes,
 			})
 			return
 		}
 
-		e := filepath.Ext(f.Filename)
-		m := categorizeFilemode(e)
-		if m == database.Unspecified {
-			slog.Debug("discarding file since its filetype is unsupported")
-			c.JSON(http.StatusUnsupportedMediaType, RespObj{
-				Msg: "unsupported filetype",
-			})
-			return
-		}
-
-		safeName := uuid.New().String() + "_" + string(m) + e
-		destPath := filepath.Join(env.DataDirectory, "content", safeName)
-
-		fData := database.File{
-			MediaType: m,
-			MetaName:  f.Filename,
-			FileName:  safeName,
-			FilePath:  destPath,
-			Checksum:  checksum,
-		}
-
-		// first register the file to the database
-		// error out if something bad happens (duplicate, failing db, etc)
-		err = database.RegisterFile(db, fData)
-		if err != nil {
+		if err := database.RegisterFile(db, fileData); err != nil {
 			if errors.Is(err, gorm.ErrDuplicatedKey) {
 				slog.Debug("discarding file since its a duplicate", "error", err)
 				c.JSON(http.StatusConflict, RespObj{
 					Msg: "file is a duplicate",
 				})
-				return
+			} else {
+				slog.Error("failed to insert filedata to the database", "error", err)
+				c.JSON(http.StatusInternalServerError, RespObj{
+					Msg: ieMes,
+				})
 			}
-
-			slog.Error("discarding file since an error occured", "error", err)
-			c.JSON(http.StatusInternalServerError, RespObj{
-				Msg: ieMes,
-			})
 			return
 		}
 
 		// save to filesystem after everything has given a green light
-		if err := c.SaveUploadedFile(f, destPath); err != nil {
+		if err := c.SaveUploadedFile(f, fileData.FilePath); err != nil {
 			slog.Error("failed to receive the file over http:", "error", err)
 			c.JSON(http.StatusInternalServerError, RespObj{
 				Msg: ieMes,