Unify error handling and HTTP statuses

Signed-off-by: Sean Du <do4suki@gmail.com>

internal/handler/reward/history.go

@@ -5,6 +5,7 @@ import (
 	"honoka-chan/internal/router"
 	rewardschema "honoka-chan/internal/schema/reward"
 	"honoka-chan/internal/session"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 )
@@ -20,7 +21,7 @@ func history(ctx *gin.Context) {
 			History:   []any{},
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	})
 }
 

internal/handler/reward/list.go

@@ -5,6 +5,7 @@ import (
 	"honoka-chan/internal/router"
 	rewardschema "honoka-chan/internal/schema/reward"
 	"honoka-chan/internal/session"
+	"net/http"
 
 	"github.com/gin-gonic/gin"
 )
@@ -21,7 +22,7 @@ func list(ctx *gin.Context) {
 			Items:     []any{},
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  200,
+		StatusCode:  http.StatusOK,
 	})
 }
 

internal/handler/reward/sellunit.go

@@ -20,7 +20,7 @@ func sellUnit(ctx *gin.Context) {
 			ErrorCode: constant.ErrorCodeNoUnitIsSellable,
 		},
 		ReleaseInfo: []any{},
-		StatusCode:  600,
+		StatusCode:  constant.ErrorCodeAcceptableError,
 	})
 }