104 lines
2.9 KiB
Go
104 lines
2.9 KiB
Go
package routes
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import (
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"database/sql"
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"encoding/json"
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"io"
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"log"
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"net/http"
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"os"
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"path/filepath"
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)
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func (rt *Router) UploadSimulationResource(w http.ResponseWriter, r *http.Request, idStr string) {
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w.Header().Set("Access-Control-Allow-Origin", "*")
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var simName string
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err := rt.DB.QueryRow("SELECT name FROM simulations WHERE id = ?", idStr).Scan(&simName)
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if err != nil {
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if err == sql.ErrNoRows {
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http.Error(w, "Simulation not found", http.StatusNotFound)
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} else {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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return
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}
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err = r.ParseMultipartForm(32 << 20)
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if err != nil {
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http.Error(w, "Error parsing form: "+err.Error(), http.StatusBadRequest)
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return
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}
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file, handler, err := r.FormFile("file")
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if err != nil {
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http.Error(w, "Error retrieving the file", http.StatusBadRequest)
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return
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}
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defer file.Close()
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destPath := filepath.Join("../results", simName, handler.Filename)
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dst, err := os.Create(destPath)
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if err != nil {
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http.Error(w, "Error creating destination file: "+err.Error(), http.StatusInternalServerError)
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return
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}
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defer dst.Close()
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_, err = io.Copy(dst, file)
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if err != nil {
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http.Error(w, "Error saving file: "+err.Error(), http.StatusInternalServerError)
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return
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}
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finalFilename := TranscodeIfNeeded(filepath.Join("../results", simName), handler.Filename)
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var resID int
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err = rt.DB.QueryRow("SELECT id FROM resources WHERE simulation_id = ? AND filename = ?", idStr, finalFilename).Scan(&resID)
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if err == sql.ErrNoRows {
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_, err = rt.DB.Exec("INSERT INTO resources(simulation_id, filename) VALUES(?, ?)", idStr, finalFilename)
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if err != nil {
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log.Println("Error inserting uploaded resource into db:", err)
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}
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}
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(map[string]string{
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"status": "success",
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"filename": finalFilename,
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})
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}
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func (rt *Router) DeleteSimulationResource(w http.ResponseWriter, r *http.Request, idStr string, fileName string) {
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w.Header().Set("Access-Control-Allow-Origin", "*")
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var simName string
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err := rt.DB.QueryRow("SELECT name FROM simulations WHERE id = ?", idStr).Scan(&simName)
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if err != nil {
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if err == sql.ErrNoRows {
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http.Error(w, "Simulation not found", http.StatusNotFound)
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} else {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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return
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}
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_, err = rt.DB.Exec("DELETE FROM resources WHERE simulation_id = ? AND filename = ?", idStr, fileName)
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if err != nil {
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log.Println("Error deleting resource from DB:", err)
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http.Error(w, "Failed to delete from database", http.StatusInternalServerError)
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return
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}
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filePath := filepath.Join("../results", simName, fileName)
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if _, statErr := os.Stat(filePath); statErr == nil {
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err = os.Remove(filePath)
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if err != nil {
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log.Println("Warning: Failed deleting physical file:", err)
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}
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}
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(map[string]string{"status": "success"})
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}
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