frontend

internal/server/handlers_watchlist.go

@@ -0,0 +1,71 @@
+package server
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"github.com/gorilla/mux"
+)
+
+type watchlistItem struct {
+	ID       int    `json:"id"`
+	Ticker   string `json:"ticker"`
+	Name     string `json:"name"`
+	Sector   string `json:"sector"`
+	Exchange string `json:"exchange"`
+	Active   int    `json:"active"`
+}
+
+func (s *Server) handleGetWatchlist(w http.ResponseWriter, r *http.Request) {
+	rows, err := s.db.Query(`SELECT id, ticker, COALESCE(name,''), COALESCE(sector,''), COALESCE(exchange,''), active FROM watchlist WHERE active=1 ORDER BY ticker`)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	defer rows.Close()
+
+	items := []watchlistItem{}
+	for rows.Next() {
+		var it watchlistItem
+		if err := rows.Scan(&it.ID, &it.Ticker, &it.Name, &it.Sector, &it.Exchange, &it.Active); err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		items = append(items, it)
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(items)
+}
+
+func (s *Server) handleAddWatchlist(w http.ResponseWriter, r *http.Request) {
+	var body struct {
+		Ticker string `json:"ticker"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&body); err != nil || body.Ticker == "" {
+		http.Error(w, "ticker required", http.StatusBadRequest)
+		return
+	}
+
+	_, err := s.db.Exec(`INSERT OR IGNORE INTO watchlist (ticker) VALUES (?)`, body.Ticker)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusCreated)
+	w.Write([]byte(`{"status":"added"}`))
+}
+
+func (s *Server) handleRemoveWatchlist(w http.ResponseWriter, r *http.Request) {
+	ticker := mux.Vars(r)["ticker"]
+	_, err := s.db.Exec(`DELETE FROM watchlist WHERE ticker = ?`, ticker)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.Write([]byte(`{"status":"removed"}`))
+}