add initial application structure with configuration, logging, and health check endpoints

internal/controller/hero_controller.go

@@ -0,0 +1,94 @@
+package controller
+
+import (
+	"database/sql"
+	"net/http"
+	"strconv"
+
+	"github.com/labstack/echo/v4"
+
+	"epic-ent/internal/domain/dto"
+	"epic-ent/internal/domain/vo"
+	"epic-ent/internal/service"
+)
+
+type HeroController struct {
+	svc *service.HeroService
+}
+
+func NewHeroController(svc *service.HeroService) *HeroController {
+	return &HeroController{svc: svc}
+}
+
+func (h *HeroController) Create(c echo.Context) error {
+	var req dto.HeroCreateRequest
+	if err := c.Bind(&req); err != nil {
+		return echo.NewHTTPError(http.StatusBadRequest, "invalid request")
+	}
+
+	hero, err := h.svc.Create(c.Request().Context(), req)
+	if err != nil {
+		return err
+	}
+
+	return c.JSON(http.StatusCreated, vo.OK(hero))
+}
+
+func (h *HeroController) GetByID(c echo.Context) error {
+	id, err := parseID(c.Param("id"))
+	if err != nil {
+		return echo.NewHTTPError(http.StatusBadRequest, "invalid id")
+	}
+
+	hero, err := h.svc.GetByID(c.Request().Context(), id)
+	if err != nil {
+		if err == sql.ErrNoRows {
+			return echo.NewHTTPError(http.StatusNotFound, "hero not found")
+		}
+		return err
+	}
+
+	return c.JSON(http.StatusOK, vo.OK(hero))
+}
+
+func (h *HeroController) Update(c echo.Context) error {
+	id, err := parseID(c.Param("id"))
+	if err != nil {
+		return echo.NewHTTPError(http.StatusBadRequest, "invalid id")
+	}
+
+	var req dto.HeroUpdateRequest
+	if err := c.Bind(&req); err != nil {
+		return echo.NewHTTPError(http.StatusBadRequest, "invalid request")
+	}
+
+	hero, err := h.svc.Update(c.Request().Context(), id, req)
+	if err != nil {
+		if err == sql.ErrNoRows {
+			return echo.NewHTTPError(http.StatusNotFound, "hero not found")
+		}
+		return err
+	}
+
+	return c.JSON(http.StatusOK, vo.OK(hero))
+}
+
+func (h *HeroController) Delete(c echo.Context) error {
+	id, err := parseID(c.Param("id"))
+	if err != nil {
+		return echo.NewHTTPError(http.StatusBadRequest, "invalid id")
+	}
+
+	if err := h.svc.Delete(c.Request().Context(), id); err != nil {
+		if err == sql.ErrNoRows {
+			return echo.NewHTTPError(http.StatusNotFound, "hero not found")
+		}
+		return err
+	}
+
+	return c.JSON(http.StatusOK, vo.OK(nil))
+}
+
+func parseID(raw string) (int64, error) {
+	return strconv.ParseInt(raw, 10, 64)
+}