Make threads openable from catalog

web/main.go

@@ -0,0 +1,164 @@
+package main
+
+import (
+	"database/sql"
+	"fmt"
+	"log"
+	"net/http"
+	"strconv"
+
+	"github.com/dominicf2001/comfychan/internal/database"
+	"github.com/dominicf2001/comfychan/web/views"
+	"github.com/go-chi/chi/v5"
+	"github.com/go-chi/chi/v5/middleware"
+	_ "github.com/mattn/go-sqlite3"
+)
+
+var dev = true
+
+func disableCacheInDevMode(next http.Handler) http.Handler {
+	if !dev {
+		return next
+	}
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Cache-Control", "no-store")
+		next.ServeHTTP(w, r)
+	})
+}
+
+func main() {
+	// -----------------
+	// SETUP
+	// -----------------
+
+	db, err := sql.Open("sqlite3", "internal/database/comfychan.db")
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer db.Close()
+
+	r := chi.NewRouter()
+
+	r.Use(middleware.Logger)
+
+	r.Handle("/static/*",
+		disableCacheInDevMode(
+			http.StripPrefix("/static",
+				http.FileServer(http.Dir("web/static")))))
+
+	// -----------------
+
+	// -----------------
+	// MAIN ROUTES
+	// -----------------
+
+	r.Get("/", func(w http.ResponseWriter, r *http.Request) {
+		views.Index().Render(r.Context(), w)
+	})
+
+	r.Get("/{slug}", func(w http.ResponseWriter, r *http.Request) {
+		slug := chi.URLParam(r, "slug")
+
+		board, err := database.GetBoard(db, slug)
+		if err != nil {
+			http.NotFound(w, r)
+			log.Printf("Board %q not found: %v", slug, err)
+			return
+		}
+
+		views.Board(board).Render(r.Context(), w)
+	})
+
+	r.Get("/{slug}/threads/{threadId}", func(w http.ResponseWriter, r *http.Request) {
+		slug := chi.URLParam(r, "slug")
+		// TODO: use relative thread_nums (see issue #1)
+		threadIdStr := chi.URLParam(r, "threadId")
+		threadId, err := strconv.Atoi(threadIdStr)
+		if err != nil {
+			http.Error(w, "Invalid thread id", http.StatusBadRequest)
+			return
+		}
+
+		board, err := database.GetBoard(db, slug)
+		if err != nil {
+			http.NotFound(w, r)
+			log.Printf("Board %q not found: %v", slug, err)
+			return
+		}
+
+		thread, err := database.GetThread(db, threadId)
+		if err != nil {
+			http.Error(w, "Failed to get thread", http.StatusInternalServerError)
+			log.Printf("Failed to get thread %q: %v", threadIdStr, err)
+			return
+		}
+
+		posts, err := database.GetThreadPosts(db, threadId)
+		if err != nil {
+			http.Error(w, "Failed to get thread posts", http.StatusInternalServerError)
+			log.Printf("Failed to get thread %q posts: %v", threadIdStr, err)
+			return
+		}
+
+		views.Thread(board, thread, posts).Render(r.Context(), w)
+	})
+
+	r.Post("/{slug}/threads", func(w http.ResponseWriter, r *http.Request) {
+		slug := chi.URLParam(r, "slug")
+
+		if err := r.ParseForm(); err != nil {
+			http.Error(w, "Bad form data", http.StatusBadRequest)
+			return
+		}
+
+		subject := r.FormValue("subject")
+		body := r.FormValue("body")
+
+		database.PutBoardThread(db, slug, subject, body)
+	})
+
+	// -----------------
+
+	// -----------------
+	// PARTIALS
+	// -----------------
+
+	r.Get("/hx/{slug}/catalog", func(w http.ResponseWriter, r *http.Request) {
+		slug := chi.URLParam(r, "slug")
+		threads, err := database.GetThreads(db, slug)
+		if err != nil {
+			http.Error(w, "Failed to get board threads", http.StatusInternalServerError)
+			log.Printf("GetThreads: %v", err)
+			return
+		}
+
+		previews := make([]views.CatalogThreadPreview, 0, len(threads))
+		for _, thread := range threads {
+			posts, err := database.GetThreadPosts(db, thread.Id)
+			if err != nil {
+				http.Error(w, "Error getting thread posts", http.StatusBadRequest)
+				log.Printf("GetThreadPosts: %v", err)
+				return
+			}
+
+			if len(posts) == 0 {
+				http.Error(w, "Malformed thread", http.StatusInternalServerError)
+				log.Printf("GetThreadPosts: %v", err)
+				return
+			}
+
+			previews = append(previews, views.CatalogThreadPreview{
+				Subject:   thread.Subject,
+				Body:      posts[0].Body,
+				ThreadURL: fmt.Sprintf("/%s/threads/%d", slug, thread.Id),
+			})
+		}
+
+		views.ThreadsCatalog(previews).Render(r.Context(), w)
+	})
+
+	// -----------------
+
+	fmt.Println("Listening on :8080")
+	http.ListenAndServe(":8080", r)
+}