frontend

2026-04-20 20:40:48 +02:00
parent 463c391d14
commit 53dd49612d
19 changed files with 2435 additions and 4 deletions
@@ -0,0 +1,52 @@
+package server
+
+import (
+	"database/sql"
+	"encoding/json"
+	"net/http"
+)
+
+type newsItem struct {
+	ID          int    `json:"id"`
+	Ticker      string `json:"ticker"`
+	Headline    string `json:"headline"`
+	Source      string `json:"source"`
+	URL         string `json:"url"`
+	Sentiment   string `json:"sentiment"`
+	PublishedAt string `json:"published_at"`
+}
+
+func (s *Server) handleGetNews(w http.ResponseWriter, r *http.Request) {
+	ticker := r.URL.Query().Get("ticker")
+
+	var rows *sql.Rows
+	var err error
+
+	if ticker != "" {
+		rows, err = s.db.Query(`
+			SELECT id, COALESCE(ticker,''), headline, COALESCE(source,''), COALESCE(url,''), COALESCE(sentiment,''), COALESCE(published_at,'')
+			FROM news WHERE ticker = ? ORDER BY published_at DESC LIMIT 100`, ticker)
+	} else {
+		rows, err = s.db.Query(`
+			SELECT id, COALESCE(ticker,''), headline, COALESCE(source,''), COALESCE(url,''), COALESCE(sentiment,''), COALESCE(published_at,'')
+			FROM news ORDER BY published_at DESC LIMIT 100`)
+	}
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	defer rows.Close()
+
+	items := []newsItem{}
+	for rows.Next() {
+		var it newsItem
+		if err := rows.Scan(&it.ID, &it.Ticker, &it.Headline, &it.Source, &it.URL, &it.Sentiment, &it.PublishedAt); 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)
+}
@@ -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"}`))
+}
@@ -34,19 +34,42 @@ func New(database *db.DB, port string) (*Server, error) {
 }

 func (s *Server) setupRoutes() {
+	s.router.Use(corsMiddleware)
+
 	api := s.router.PathPrefix("/api").Subrouter()
-	api.HandleFunc("/health", s.handleHealth).Methods("GET")
+	api.HandleFunc("/health", s.handleHealth).Methods("GET", "OPTIONS")

 	// Settings
-	api.HandleFunc("/settings", s.handleGetSettings).Methods("GET")
-	api.HandleFunc("/settings", s.handleSaveSettings).Methods("POST")
-	api.HandleFunc("/settings/test/{provider}", s.handleTestKey).Methods("GET")
+	api.HandleFunc("/settings", s.handleGetSettings).Methods("GET", "OPTIONS")
+	api.HandleFunc("/settings", s.handleSaveSettings).Methods("POST", "OPTIONS")
+	api.HandleFunc("/settings/test/{provider}", s.handleTestKey).Methods("GET", "OPTIONS")
+
+	// Watchlist
+	api.HandleFunc("/watchlist", s.handleGetWatchlist).Methods("GET", "OPTIONS")
+	api.HandleFunc("/watchlist", s.handleAddWatchlist).Methods("POST", "OPTIONS")
+	api.HandleFunc("/watchlist/{ticker}", s.handleRemoveWatchlist).Methods("DELETE", "OPTIONS")
+
+	// News
+	api.HandleFunc("/news", s.handleGetNews).Methods("GET", "OPTIONS")

 	s.router.PathPrefix("/").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		fmt.Fprintf(w, "StockRadar API running")
 	})
 }

+func corsMiddleware(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Access-Control-Allow-Origin", "*")
+		w.Header().Set("Access-Control-Allow-Methods", "GET, POST, DELETE, OPTIONS")
+		w.Header().Set("Access-Control-Allow-Headers", "Content-Type")
+		if r.Method == "OPTIONS" {
+			w.WriteHeader(http.StatusNoContent)
+			return
+		}
+		next.ServeHTTP(w, r)
+	})
+}
+
 func (s *Server) handleHealth(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Content-Type", "application/json")
 	fmt.Fprintf(w, `{"status":"ok","port":"%s"}`, s.port)