Uploaded Media File Delete Update

2026-02-22 13:04:04 -05:00
parent 3d936d8a6f
commit 3b4d5e4080
16 changed files with 701 additions and 451 deletions
--- a/server/routes/resources.go
+++ b/server/routes/resources.go
@@ -0,0 +1,103 @@
+package routes
+
+import (
+	"database/sql"
+	"encoding/json"
+	"io"
+	"log"
+	"net/http"
+	"os"
+	"path/filepath"
+)
+
+func (rt *Router) UploadSimulationResource(w http.ResponseWriter, r *http.Request, idStr string) {
+	w.Header().Set("Access-Control-Allow-Origin", "*")
+
+	var simName string
+	err := rt.DB.QueryRow("SELECT name FROM simulations WHERE id = ?", idStr).Scan(&simName)
+	if err != nil {
+		if err == sql.ErrNoRows {
+			http.Error(w, "Simulation not found", http.StatusNotFound)
+		} else {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+		}
+		return
+	}
+
+	err = r.ParseMultipartForm(500 << 20) // 500 MB max memory/file bounds
+	if err != nil {
+		http.Error(w, "Error parsing form: "+err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	file, handler, err := r.FormFile("file")
+	if err != nil {
+		http.Error(w, "Error retrieving the file", http.StatusBadRequest)
+		return
+	}
+	defer file.Close()
+
+	destPath := filepath.Join("../results", simName, handler.Filename)
+	dst, err := os.Create(destPath)
+	if err != nil {
+		http.Error(w, "Error creating destination file: "+err.Error(), http.StatusInternalServerError)
+		return
+	}
+	defer dst.Close()
+
+	_, err = io.Copy(dst, file)
+	if err != nil {
+		http.Error(w, "Error saving file: "+err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	finalFilename := TranscodeIfNeeded(filepath.Join("../results", simName), handler.Filename)
+
+	var resID int
+	err = rt.DB.QueryRow("SELECT id FROM resources WHERE simulation_id = ? AND filename = ?", idStr, finalFilename).Scan(&resID)
+	if err == sql.ErrNoRows {
+		_, err = rt.DB.Exec("INSERT INTO resources(simulation_id, filename) VALUES(?, ?)", idStr, finalFilename)
+		if err != nil {
+			log.Println("Error inserting uploaded resource into db:", err)
+		}
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(map[string]string{
+		"status":   "success",
+		"filename": finalFilename,
+	})
+}
+
+func (rt *Router) DeleteSimulationResource(w http.ResponseWriter, r *http.Request, idStr string, fileName string) {
+	w.Header().Set("Access-Control-Allow-Origin", "*")
+
+	var simName string
+	err := rt.DB.QueryRow("SELECT name FROM simulations WHERE id = ?", idStr).Scan(&simName)
+	if err != nil {
+		if err == sql.ErrNoRows {
+			http.Error(w, "Simulation not found", http.StatusNotFound)
+		} else {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+		}
+		return
+	}
+
+	_, err = rt.DB.Exec("DELETE FROM resources WHERE simulation_id = ? AND filename = ?", idStr, fileName)
+	if err != nil {
+		log.Println("Error deleting resource from DB:", err)
+		http.Error(w, "Failed to delete from database", http.StatusInternalServerError)
+		return
+	}
+
+	filePath := filepath.Join("../results", simName, fileName)
+	if _, statErr := os.Stat(filePath); statErr == nil {
+		err = os.Remove(filePath)
+		if err != nil {
+			log.Println("Warning: Failed deleting physical file:", err)
+		}
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(map[string]string{"status": "success"})
+}