138 lines
3.8 KiB
Go
138 lines
3.8 KiB
Go
package handlers
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import (
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"database/sql"
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"log"
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"net"
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"net/http"
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"regexp"
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"sort"
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"strconv"
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templateHelpers "synlotto-website/internal/helpers/template"
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"synlotto-website/internal/helpers"
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"synlotto-website/internal/http/middleware"
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"synlotto-website/internal/models"
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)
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func ResultsThunderball(db *sql.DB) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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ip, _, _ := net.SplitHostPort(r.RemoteAddr)
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limiter := middleware.GetVisitorLimiter(ip)
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if !limiter.Allow() {
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http.Error(w, "Rate limit exceeded", http.StatusTooManyRequests)
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return
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}
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const pageSize = 20
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page := 1
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offset := 0
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query := r.URL.Query().Get("q")
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pageStr := r.URL.Query().Get("page")
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yearFilter := r.URL.Query().Get("year")
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machineFilter := r.URL.Query().Get("machine")
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ballSetFilter := r.URL.Query().Get("ballset")
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if p, err := strconv.Atoi(pageStr); err == nil && p > 0 {
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page = p
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offset = (page - 1) * pageSize
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}
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isValidDate := regexp.MustCompile(`^\d{4}-\d{2}-\d{2}$`).MatchString
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isValidNumber := regexp.MustCompile(`^\d+$`).MatchString
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doSearch := isValidDate(query) || isValidNumber(query)
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whereClause := "WHERE 1=1"
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args := []interface{}{}
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if doSearch {
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whereClause += " AND (draw_date = ? OR id = ?)"
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args = append(args, query, query)
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}
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if yearFilter != "" {
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whereClause += " AND strftime('%Y', draw_date) = ?"
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args = append(args, yearFilter)
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}
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if machineFilter != "" {
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whereClause += " AND machine = ?"
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args = append(args, machineFilter)
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}
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if ballSetFilter != "" {
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whereClause += " AND ballset = ?"
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args = append(args, ballSetFilter)
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}
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totalPages, totalResults := templateHelpers.GetTotalPages(db, "results_thunderball", whereClause, args, pageSize)
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if page < 1 || page > totalPages {
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http.NotFound(w, r)
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return
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}
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querySQL := `
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SELECT id, draw_date, machine, ballset, ball1, ball2, ball3, ball4, ball5, thunderball
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FROM results_thunderball
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` + whereClause + `
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ORDER BY id DESC
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LIMIT ? OFFSET ?`
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argsWithLimit := append(args, pageSize, offset)
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rows, err := db.Query(querySQL, argsWithLimit...)
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if err != nil {
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http.Error(w, "Database error", http.StatusInternalServerError)
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log.Println("❌ DB error:", err)
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return
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}
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defer rows.Close()
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var results []models.ThunderballResult
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for rows.Next() {
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var res models.ThunderballResult
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if err := rows.Scan(
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&res.Id, &res.DrawDate, &res.Machine, &res.BallSet,
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&res.Ball1, &res.Ball2, &res.Ball3, &res.Ball4, &res.Ball5, &res.Thunderball,
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); 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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res.SortedBalls = []int{res.Ball1, res.Ball2, res.Ball3, res.Ball4, res.Ball5}
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sort.Ints(res.SortedBalls)
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results = append(results, res)
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}
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years, _ := helpers.GetDistinctValues(db, "strftime('%Y', draw_date)")
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machines, _ := helpers.GetDistinctValues(db, "machine")
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ballsets, _ := helpers.GetDistinctValues(db, "ballset")
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var noResultsMsg string
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if query != "" && !doSearch {
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noResultsMsg = "Invalid search. Please enter a draw number or date (yyyy-mm-dd)."
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} else if len(results) == 0 && query != "" {
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noResultsMsg = "No results found for \"" + query + "\""
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}
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tmpl := templateHelpers.LoadTemplateFiles("thunderball.html", "web/templates/results/thunderball.html")
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err = tmpl.ExecuteTemplate(w, "layout", map[string]interface{}{
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"Results": results,
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"Page": page,
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"TotalPages": totalPages,
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"TotalResults": totalResults,
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"Query": query,
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"NoResultsMsg": noResultsMsg,
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"Years": years,
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"Machines": machines,
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"BallSets": ballsets,
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"YearFilter": yearFilter,
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"MachineFilter": machineFilter,
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"BallSetFilter": ballSetFilter,
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})
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if err != nil {
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log.Println("❌ Template error:", err)
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http.Error(w, "Error rendering results", http.StatusInternalServerError)
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}
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}
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}
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