Haystack/backend/stacks/handler.go

154 lines
3.3 KiB
Go

package stacks
import (
"database/sql"
"encoding/json"
"io"
"net/http"
"os"
"screenmark/screenmark/middleware"
"screenmark/screenmark/models"
"github.com/charmbracelet/log"
"github.com/go-chi/chi/v5"
)
func writeJsonOrError[K any](logger *log.Logger, object K, w http.ResponseWriter) {
jsonObject, err := json.Marshal(object)
if err != nil {
logger.Warn("could not marshal json object", "err", err)
w.WriteHeader(http.StatusBadRequest)
return
}
w.Write(jsonObject)
w.WriteHeader(http.StatusOK)
}
type StackHandler struct {
logger *log.Logger
stackModel models.ListModel
}
func withValidatedPost[K any](
fn func(request K, w http.ResponseWriter, r *http.Request),
) func(w http.ResponseWriter, r *http.Request) {
return func(w http.ResponseWriter, r *http.Request) {
request := new(K)
body, err := io.ReadAll(r.Body)
if err != nil {
w.WriteHeader(http.StatusBadRequest)
return
}
err = json.Unmarshal(body, request)
if err != nil {
w.WriteHeader(http.StatusBadRequest)
return
}
fn(*request, w, r)
}
}
func (h *StackHandler) getAllStacks(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
userID, err := middleware.GetUserID(ctx, h.logger, w)
if err != nil {
return
}
lists, err := h.stackModel.List(ctx, userID)
if err != nil {
h.logger.Warn("could not get stacks", "err", err)
w.WriteHeader(http.StatusBadRequest)
return
}
writeJsonOrError(h.logger, lists, w)
}
func (h *StackHandler) getStackItems(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
_, err := middleware.GetUserID(ctx, h.logger, w)
if err != nil {
return
}
listID, err := middleware.GetPathParamID(h.logger, "listID", w, r)
if err != nil {
return
}
// TODO: must check for permission here.
lists, err := h.stackModel.ListItems(ctx, listID)
if err != nil {
h.logger.Warn("could not get list items", "err", err)
w.WriteHeader(http.StatusBadRequest)
return
}
writeJsonOrError(h.logger, lists, w)
}
type EditStack struct {
Hello string `json:"hello"`
}
func (h *StackHandler) editStack(req EditStack, w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusNotImplemented)
}
type CreateStackBody struct {
Title string `json:"title"`
// We want a regular string because AI will take care of creating these for us.
Fields string `json:"fields"`
}
func (h *StackHandler) createStack(body CreateStackBody, w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
userID, err := middleware.GetUserID(ctx, h.logger, w)
if err != nil {
return
}
err = h.stackModel.SaveProcessing(ctx, userID, body.Title, body.Fields)
if err != nil {
h.logger.Warn("could not save processing", "err", err)
w.WriteHeader(http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusOK)
}
func (h *StackHandler) CreateRoutes(r chi.Router) {
h.logger.Info("Mounting stack router")
r.Group(func(r chi.Router) {
r.Use(middleware.ProtectedRoute)
r.Use(middleware.SetJson)
r.Get("/", h.getAllStacks)
r.Get("/{listID}", h.getStackItems)
r.Post("/", withValidatedPost(h.createStack))
r.Patch("/{listID}", withValidatedPost(h.editStack))
})
}
func CreateStackHandler(db *sql.DB) StackHandler {
stackModel := models.NewListModel(db)
logger := log.New(os.Stdout).WithPrefix("Stacks")
return StackHandler{
logger,
stackModel,
}
}