Added Delete Sim

server/api.go

@@ -150,7 +150,7 @@ func getSimulations(w http.ResponseWriter, r *http.Request) {
 func getSimulationDetails(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Access-Control-Allow-Origin", "*")
 	if r.Method == "OPTIONS" {
-		w.Header().Set("Access-Control-Allow-Methods", "GET, PUT, POST, OPTIONS")
+		w.Header().Set("Access-Control-Allow-Methods", "GET, PUT, POST, DELETE, OPTIONS")
 		w.WriteHeader(http.StatusOK)
 		return
 	}
@@ -178,6 +178,11 @@ func getSimulationDetails(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	if r.Method == "DELETE" && len(pathParts) == 1 {
+		deleteSimulation(w, r, idStr)
+		return
+	}
+
 	if r.Method != "GET" {
 		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
 		return
@@ -244,6 +249,44 @@ func updateSimulationTime(w http.ResponseWriter, r *http.Request, idStr string)
 	json.NewEncoder(w).Encode(map[string]string{"status": "success"})
 }
 
+func deleteSimulation(w http.ResponseWriter, r *http.Request, idStr string) {
+	var name string
+	err := db.QueryRow("SELECT name FROM simulations WHERE id = ?", idStr).Scan(&name)
+	if err != nil {
+		if err == sql.ErrNoRows {
+			http.Error(w, "Simulation not found", http.StatusNotFound)
+		} else {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+		}
+		return
+	}
+
+	// Attempt dropping resource map hooks first
+	_, err = db.Exec("DELETE FROM resources WHERE simulation_id = ?", idStr)
+	if err != nil {
+		log.Println("Warning: Error deleting resources map from DB:", err)
+	}
+	
+	_, err = db.Exec("DELETE FROM simulations WHERE id = ?", idStr)
+	if err != nil {
+		log.Println("Error deleting simulation from DB:", err)
+		http.Error(w, "Failed to delete from database", http.StatusInternalServerError)
+		return
+	}
+
+	// Physically destroy data payload mapped onto it 
+	dirPath := filepath.Join("../results", name)
+	if _, statErr := os.Stat(dirPath); statErr == nil {
+		err = os.RemoveAll(dirPath)
+		if err != nil {
+			log.Println("Warning: Failed fully deleting physical directory items:", err)
+		}
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(map[string]string{"status": "success"})
+}
+
 func renameSimulation(w http.ResponseWriter, r *http.Request, idStr string) {
 	var reqBody struct {
 		Name string `json:"name"`

src/routes/simulation/[id]/+page.svelte

@@ -218,6 +218,27 @@
         saveError = "";
         uploadFiles = null;
     }
+
+    async function handleDelete() {
+        if (
+            !confirm(
+                "Are you sure you want to permanently delete this simulation and all its associated media files?",
+            )
+        ) {
+            return;
+        }
+        const res = await fetch(`/api/simulations/${id}`, {
+            method: "DELETE",
+        });
+
+        if (res.ok) {
+            // Force client-side redirect back to cleanly wiped root
+            window.location.href = "/";
+        } else {
+            const text = await res.text();
+            alert("Failed to delete the simulation: " + text);
+        }
+    }
 </script>
 
 <a href="/" class="back-link">&lt;&lt; Back to Index</a>
@@ -233,6 +254,7 @@
             <button class="edit-btn" onclick={() => (isEditing = true)}
                 >Edit</button
             >
+            <button class="delete-btn" onclick={handleDelete}>Delete</button>
         {:else}
             <div class="edit-form">
                 <h2>Edit Simulation</h2>
@@ -469,7 +491,8 @@
     }
     .edit-btn,
     .save-btn,
-    .cancel-btn {
+    .cancel-btn,
+    .delete-btn {
         padding: 6px 15px;
         font-size: 14px;
         font-weight: bold;
@@ -483,6 +506,15 @@
     .cancel-btn:hover {
         background-color: #d0d0d0;
     }
+    .delete-btn {
+        background-color: #ffcccc;
+        color: #990000;
+        border-color: #990000;
+        margin-left: auto;
+    }
+    .delete-btn:hover {
+        background-color: #ff9999;
+    }
 
     .edit-form {
         border: 1px dashed #000;