server: implement channels

2026-05-24 00:32:15 +00:00
parent bd6c0bf211
commit 35cda247f2
4 changed files with 248 additions and 0 deletions
@@ -0,0 +1,146 @@
+package api
+
+import (
+	"errors"
+	"log/slog"
+	"net/http"
+	"time"
+
+	"github.com/go-chi/chi/v5"
+	"github.com/go-chi/render"
+	"github.com/google/uuid"
+)
+
+func GetChannel(w http.ResponseWriter, r *http.Request) {
+	slog.Debug("channel: entering GetChannel handler")
+
+	channelID := chi.URLParam(r, "channelID")
+	parsed, err := uuid.Parse(channelID)
+	if err != nil {
+		render.Render(w, r, ErrInvalidRequest(err))
+		return
+	}
+
+	channel, err := dbGetChannel(parsed.String())
+	if err != nil {
+		if errors.Is(err, ErrChannelNotFound) {
+			render.Render(w, r, ErrNotFound)
+		} else {
+			slog.Error("channel: failed to fetch channel", "channelid", parsed.String(), "error", err)
+			render.Render(w, r, ErrInternal(err))
+		}
+		return
+	}
+
+	slog.Debug("channel: rendering channel", "channelid", channel.ID, "channelname", channel.Name)
+	if err := render.Render(w, r, NewChannelPayloadResponse(channel)); err != nil {
+		slog.Error("channel: failed to render channel", "channelid", parsed.String(), "error", err)
+		render.Render(w, r, ErrInternal(err))
+	}
+}
+
+func ListChannels(w http.ResponseWriter, r *http.Request) {
+	slog.Debug("channel: entering ListChannels handler")
+	dbChannels, err := dbGetAllChannels()
+	if err != nil {
+		if errors.Is(err, ErrChannelNotFound) {
+			render.Render(w, r, ErrNotFound)
+		} else {
+			slog.Error("channel: failed to fetch channels", "error", err)
+			render.Render(w, r, ErrInternal(err))
+		}
+		return
+	}
+
+	slog.Debug("channel: successfully fetched channels", "count", len(dbChannels))
+	if err := render.RenderList(w, r, NewChannelListResponse(dbChannels)); err != nil {
+		slog.Error("channel: failed to render channel list response", "error", err)
+		render.Render(w, r, ErrInternal(err))
+		return
+	}
+}
+
+func newChannelID() uuid.UUID {
+	return uuid.New()
+}
+
+func NewChannel(w http.ResponseWriter, r *http.Request) {
+	slog.Debug("channel: entering NewChannel handler")
+	err := r.ParseMultipartForm(64 << 10)
+	if err != nil {
+		slog.Error("user: failed to parse multipartform", "error", err)
+		http.Error(w, "Unable to parse form", http.StatusBadRequest)
+		return
+	}
+
+	newChannelName := r.FormValue("name")
+	newChannelType := r.FormValue("type")
+	newChannelLocation := r.FormValue("location")
+	newChannelNotes := r.FormValue("notes")
+	if newChannelName == "" {
+		slog.Error("channel: channelname is empty")
+		http.Error(w, "Channel name cannot be empty", http.StatusBadRequest)
+		return
+	}
+
+	newChannel := Channel{
+		ID:       newChannelID(),
+		Name:     newChannelName,
+		Created:  time.Now(),
+		Type:     newChannelType,
+		Location: newChannelLocation,
+		Notes:    newChannelNotes,
+	}
+
+	slog.Debug("channel: adding new channel to database", "channelid", newChannel.ID, "channelname", newChannel.Name)
+	err = dbAddChannel(&newChannel)
+	if err != nil {
+		slog.Error("channel: failed to add new channel", "channelid", newChannel.ID, "channelname", newChannel.Name)
+		render.Render(w, r, ErrInternal(err))
+		return
+	}
+
+	slog.Debug("channel: successfully added new channel", "channelid", newChannel.ID, "channelname", newChannel.Name)
+	render.Render(w, r, NewChannelPayloadResponse(&newChannel))
+
+}
+
+func DeleteChannel(w http.ResponseWriter, r *http.Request) {
+	slog.Debug("channel: entering DeleteChannel handler")
+
+	channelID := chi.URLParam(r, "channelID")
+	parsed, err := uuid.Parse(channelID)
+	if err != nil {
+		render.Render(w, r, ErrInvalidRequest(err))
+		return
+	}
+
+	err = dbDeleteChannel(parsed.String())
+	if err != nil {
+		if errors.Is(err, ErrChannelNotFound) {
+			render.Render(w, r, ErrNotFound)
+		} else {
+			slog.Error("channel: failed to delete channel", "channelid", parsed.String(), "error", err)
+			render.Render(w, r, ErrInternal(err))
+		}
+		return
+	}
+
+	slog.Debug("channel: deleted channel", "channelid", parsed.String())
+	w.Write([]byte("Channel deleted successfully"))
+}
+
+type Channel struct {
+	ID       uuid.UUID
+	Name     string
+	Created  time.Time
+	Type     string
+	Location string
+	Notes    string
+}
+
+type channelKey struct{}
+
+type ChannelPayload struct {
+	*Channel
+}