first commit

Made-with: Cursor

internal/api/handlers/events.go

@@ -0,0 +1,204 @@
+package handlers
+
+import (
+	"net/http"
+	"strconv"
+	"time"
+
+	"github.com/calendarapi/internal/middleware"
+	"github.com/calendarapi/internal/models"
+	"github.com/calendarapi/internal/service"
+	"github.com/calendarapi/internal/utils"
+	"github.com/go-chi/chi/v5"
+	"github.com/google/uuid"
+)
+
+type EventHandler struct {
+	eventSvc *service.EventService
+}
+
+func NewEventHandler(eventSvc *service.EventService) *EventHandler {
+	return &EventHandler{eventSvc: eventSvc}
+}
+
+func (h *EventHandler) List(w http.ResponseWriter, r *http.Request) {
+	userID, _ := middleware.GetUserID(r.Context())
+	q := r.URL.Query()
+
+	startStr := q.Get("start")
+	endStr := q.Get("end")
+	if startStr == "" || endStr == "" {
+		utils.WriteError(w, models.NewValidationError("start and end query params required"))
+		return
+	}
+	start, err := time.Parse(time.RFC3339, startStr)
+	if err != nil {
+		utils.WriteError(w, models.NewValidationError("invalid start time"))
+		return
+	}
+	end, err := time.Parse(time.RFC3339, endStr)
+	if err != nil {
+		utils.WriteError(w, models.NewValidationError("invalid end time"))
+		return
+	}
+
+	var calendarID *uuid.UUID
+	if cid := q.Get("calendar_id"); cid != "" {
+		id, err := utils.ValidateUUID(cid)
+		if err != nil {
+			utils.WriteError(w, err)
+			return
+		}
+		calendarID = &id
+	}
+
+	var search *string
+	if s := q.Get("search"); s != "" {
+		search = &s
+	}
+	var tag *string
+	if t := q.Get("tag"); t != "" {
+		tag = &t
+	}
+
+	limit := 50
+	if l := q.Get("limit"); l != "" {
+		if v, err := strconv.Atoi(l); err == nil {
+			limit = v
+		}
+	}
+
+	events, cursor, err := h.eventSvc.List(r.Context(), userID, service.ListEventParams{
+		RangeStart: start,
+		RangeEnd:   end,
+		CalendarID: calendarID,
+		Search:     search,
+		Tag:        tag,
+		Limit:      limit,
+		Cursor:     q.Get("cursor"),
+	})
+	if err != nil {
+		utils.WriteError(w, err)
+		return
+	}
+
+	utils.WriteList(w, events, models.PageInfo{Limit: int(utils.ClampLimit(limit)), NextCursor: cursor})
+}
+
+func (h *EventHandler) Create(w http.ResponseWriter, r *http.Request) {
+	userID, _ := middleware.GetUserID(r.Context())
+
+	var req struct {
+		CalendarID     uuid.UUID `json:"calendar_id"`
+		Title          string    `json:"title"`
+		Description    *string   `json:"description"`
+		Location       *string   `json:"location"`
+		StartTime      time.Time `json:"start_time"`
+		EndTime        time.Time `json:"end_time"`
+		Timezone       string    `json:"timezone"`
+		AllDay         bool      `json:"all_day"`
+		RecurrenceRule *string   `json:"recurrence_rule"`
+		Reminders      []int32   `json:"reminders"`
+		Tags           []string  `json:"tags"`
+	}
+	if err := utils.DecodeJSON(r, &req); err != nil {
+		utils.WriteError(w, err)
+		return
+	}
+
+	event, err := h.eventSvc.Create(r.Context(), userID, service.CreateEventRequest{
+		CalendarID:     req.CalendarID,
+		Title:          req.Title,
+		Description:    req.Description,
+		Location:       req.Location,
+		StartTime:      req.StartTime,
+		EndTime:        req.EndTime,
+		Timezone:       req.Timezone,
+		AllDay:         req.AllDay,
+		RecurrenceRule: req.RecurrenceRule,
+		Reminders:      req.Reminders,
+		Tags:           req.Tags,
+	})
+	if err != nil {
+		utils.WriteError(w, err)
+		return
+	}
+
+	utils.WriteJSON(w, http.StatusOK, map[string]interface{}{"event": event})
+}
+
+func (h *EventHandler) Get(w http.ResponseWriter, r *http.Request) {
+	userID, _ := middleware.GetUserID(r.Context())
+	eventID, err := utils.ValidateUUID(chi.URLParam(r, "id"))
+	if err != nil {
+		utils.WriteError(w, err)
+		return
+	}
+
+	event, err := h.eventSvc.Get(r.Context(), userID, eventID)
+	if err != nil {
+		utils.WriteError(w, err)
+		return
+	}
+
+	utils.WriteJSON(w, http.StatusOK, map[string]interface{}{"event": event})
+}
+
+func (h *EventHandler) Update(w http.ResponseWriter, r *http.Request) {
+	userID, _ := middleware.GetUserID(r.Context())
+	eventID, err := utils.ValidateUUID(chi.URLParam(r, "id"))
+	if err != nil {
+		utils.WriteError(w, err)
+		return
+	}
+
+	var req struct {
+		Title          *string    `json:"title"`
+		Description    *string    `json:"description"`
+		Location       *string    `json:"location"`
+		StartTime      *time.Time `json:"start_time"`
+		EndTime        *time.Time `json:"end_time"`
+		Timezone       *string    `json:"timezone"`
+		AllDay         *bool      `json:"all_day"`
+		RecurrenceRule *string    `json:"recurrence_rule"`
+		Tags           []string   `json:"tags"`
+	}
+	if err := utils.DecodeJSON(r, &req); err != nil {
+		utils.WriteError(w, err)
+		return
+	}
+
+	event, err := h.eventSvc.Update(r.Context(), userID, eventID, service.UpdateEventRequest{
+		Title:          req.Title,
+		Description:    req.Description,
+		Location:       req.Location,
+		StartTime:      req.StartTime,
+		EndTime:        req.EndTime,
+		Timezone:       req.Timezone,
+		AllDay:         req.AllDay,
+		RecurrenceRule: req.RecurrenceRule,
+		Tags:           req.Tags,
+	})
+	if err != nil {
+		utils.WriteError(w, err)
+		return
+	}
+
+	utils.WriteJSON(w, http.StatusOK, map[string]interface{}{"event": event})
+}
+
+func (h *EventHandler) Delete(w http.ResponseWriter, r *http.Request) {
+	userID, _ := middleware.GetUserID(r.Context())
+	eventID, err := utils.ValidateUUID(chi.URLParam(r, "id"))
+	if err != nil {
+		utils.WriteError(w, err)
+		return
+	}
+
+	if err := h.eventSvc.Delete(r.Context(), userID, eventID); err != nil {
+		utils.WriteError(w, err)
+		return
+	}
+
+	utils.WriteOK(w)
+}