294 lines
8.1 KiB
Go
294 lines
8.1 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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"fmt"
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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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"strings"
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)
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func (rt *Router) CreateSimulation(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Access-Control-Allow-Origin", "*")
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bodyBytes, err := io.ReadAll(r.Body)
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if err != nil {
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http.Error(w, "Failed to read request body", http.StatusBadRequest)
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return
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}
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defer r.Body.Close()
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configStr := string(bodyBytes)
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if configStr == "" {
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http.Error(w, "Config cannot be empty", http.StatusBadRequest)
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return
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}
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hasPattern := false
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var jsonParsed map[string]interface{}
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err = json.Unmarshal(bodyBytes, &jsonParsed)
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if err != nil {
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http.Error(w, "Invalid configuration format: must be valid JSON", http.StatusBadRequest)
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return
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}
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for k, v := range jsonParsed {
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if k == "search.yaml" || k == "search" {
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if searchMap, ok := v.(map[string]interface{}); ok {
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if _, ok := searchMap["spiral"]; ok {
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hasPattern = true
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}
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if _, ok := searchMap["lawnmower"]; ok {
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hasPattern = true
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}
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if _, ok := searchMap["levy"]; ok {
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hasPattern = true
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}
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if _, ok := searchMap["sar"]; ok {
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hasPattern = true
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}
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}
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}
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}
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if !hasPattern {
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http.Error(w, "Simulation configuration must include a search pattern (spiral, lawnmower, levy, or sar)", http.StatusBadRequest)
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return
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}
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var count int
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rt.DB.QueryRow("SELECT COUNT(*) FROM simulations").Scan(&count)
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newName := fmt.Sprintf("simulation_%d", count+1)
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for {
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var temp int
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err := rt.DB.QueryRow("SELECT id FROM simulations WHERE name = ?", newName).Scan(&temp)
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if err == sql.ErrNoRows {
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break
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}
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count++
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newName = fmt.Sprintf("simulation_%d", count+1)
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}
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res, err := rt.DB.Exec("INSERT INTO simulations(name, config) VALUES(?, ?)", newName, configStr)
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if err != nil {
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log.Println("Insert simulation error:", err)
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http.Error(w, "Failed to create", http.StatusInternalServerError)
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return
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}
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newID, _ := res.LastInsertId()
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resultsDir := filepath.Join("../results", newName)
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os.MkdirAll(resultsDir, 0755)
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(map[string]interface{}{
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"id": newID,
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"name": newName,
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})
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}
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func (rt *Router) GetSimulations(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Access-Control-Allow-Origin", "*")
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rows, err := rt.DB.Query("SELECT id, name, config, created_at, search_time, total_time, cpu_info, gpu_info, ram_info FROM simulations")
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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defer rows.Close()
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var sims []Simulation
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for rows.Next() {
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var s Simulation
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err = rows.Scan(&s.ID, &s.Name, &s.Config, &s.CreatedAt, &s.SearchTime, &s.TotalTime, &s.CPUInfo, &s.GPUInfo, &s.RAMInfo)
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if err != nil {
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log.Println("Row scan error:", err)
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continue
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}
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sims = append(sims, s)
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}
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if sims == nil {
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sims = []Simulation{}
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}
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(sims)
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}
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func (rt *Router) GetSimulationDetails(w http.ResponseWriter, r *http.Request, idStr string) {
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w.Header().Set("Access-Control-Allow-Origin", "*")
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var s Simulation
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err := rt.DB.QueryRow("SELECT id, name, config, created_at, search_time, total_time, cpu_info, gpu_info, ram_info FROM simulations WHERE id = ?", idStr).Scan(&s.ID, &s.Name, &s.Config, &s.CreatedAt, &s.SearchTime, &s.TotalTime, &s.CPUInfo, &s.GPUInfo, &s.RAMInfo)
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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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rows, err := rt.DB.Query("SELECT filename FROM resources WHERE simulation_id = ?", s.ID)
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if err == nil {
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defer rows.Close()
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for rows.Next() {
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var fname string
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if err := rows.Scan(&fname); err == nil {
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s.Resources = append(s.Resources, fname)
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if stat, err := os.Stat(filepath.Join("../results", s.Name, fname)); err == nil {
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s.TotalSizeBytes += stat.Size()
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}
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}
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}
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}
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if s.Resources == nil {
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s.Resources = []string{}
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}
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(s)
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}
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func (rt *Router) RenameSimulation(w http.ResponseWriter, r *http.Request, idStr string) {
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w.Header().Set("Access-Control-Allow-Origin", "*")
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var reqBody struct {
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Name string `json:"name"`
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}
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err := json.NewDecoder(r.Body).Decode(&reqBody)
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if err != nil || strings.TrimSpace(reqBody.Name) == "" {
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http.Error(w, "Invalid request body or missing name", http.StatusBadRequest)
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return
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}
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defer r.Body.Close()
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newName := strings.TrimSpace(reqBody.Name)
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var oldName string
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err = rt.DB.QueryRow("SELECT name FROM simulations WHERE id = ?", idStr).Scan(&oldName)
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if err != nil {
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http.Error(w, "Simulation not found", http.StatusNotFound)
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return
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}
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var tempID int
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err = rt.DB.QueryRow("SELECT id FROM simulations WHERE name = ?", newName).Scan(&tempID)
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if err == nil {
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http.Error(w, "A simulation with that name already exists", http.StatusConflict)
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return
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}
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oldDirPath := filepath.Join("../results", oldName)
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newDirPath := filepath.Join("../results", newName)
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if _, statErr := os.Stat(oldDirPath); statErr == nil {
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err = os.Rename(oldDirPath, newDirPath)
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if err != nil {
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log.Println("Error renaming directory:", err)
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http.Error(w, "Failed to rename results directory", http.StatusInternalServerError)
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return
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}
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} else {
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os.MkdirAll(newDirPath, 0755)
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}
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_, err = rt.DB.Exec("UPDATE simulations SET name = ? WHERE id = ?", newName, idStr)
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if err != nil {
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os.Rename(newDirPath, oldDirPath)
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log.Println("Update simulation name error:", err)
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http.Error(w, "Failed to update database", http.StatusInternalServerError)
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return
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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", "new_name": newName})
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}
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func (rt *Router) DeleteSimulation(w http.ResponseWriter, r *http.Request, idStr string) {
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w.Header().Set("Access-Control-Allow-Origin", "*")
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var name string
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err := rt.DB.QueryRow("SELECT name FROM simulations WHERE id = ?", idStr).Scan(&name)
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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 = ?", idStr)
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if err != nil {
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log.Println("Warning: Error deleting resources map from DB:", err)
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}
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_, err = rt.DB.Exec("DELETE FROM simulations WHERE id = ?", idStr)
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if err != nil {
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log.Println("Error deleting simulation 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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dirPath := filepath.Join("../results", name)
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if _, statErr := os.Stat(dirPath); statErr == nil {
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err = os.RemoveAll(dirPath)
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if err != nil {
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log.Println("Warning: Failed fully deleting physical directory items:", 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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func (rt *Router) ClearFailedSimulations(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Access-Control-Allow-Origin", "*")
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rows, err := rt.DB.Query(`
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SELECT id, name FROM simulations
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WHERE search_time IS NULL
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AND total_time IS NULL
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AND NOT EXISTS (SELECT 1 FROM resources WHERE simulation_id = simulations.id)
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`)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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defer rows.Close()
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var deleteIDs []string
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var deleteDirs []string
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for rows.Next() {
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var id, name string
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if err := rows.Scan(&id, &name); err == nil {
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deleteIDs = append(deleteIDs, id)
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deleteDirs = append(deleteDirs, name)
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}
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}
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rows.Close()
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for i, idStr := range deleteIDs {
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rt.DB.Exec("DELETE FROM resources WHERE simulation_id = ?", idStr)
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rt.DB.Exec("DELETE FROM simulations WHERE id = ?", idStr)
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dirPath := filepath.Join("../results", deleteDirs[i])
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if _, statErr := os.Stat(dirPath); statErr == nil {
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os.RemoveAll(dirPath)
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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]interface{}{"status": "success", "deleted_count": len(deleteIDs)})
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}
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