WIP: Restructing auth api and service

Signed-off-by: Asai Neko <sugar@sne.moe>

service/service_user/list_users.go

@@ -0,0 +1,138 @@
+package service_user
+
+import (
+	"context"
+	"nixcn-cms/data"
+	"nixcn-cms/internal/exception"
+	"nixcn-cms/service/shared"
+	"strconv"
+)
+
+type UserListPayload struct {
+	Context context.Context
+	Limit   *string
+	Offset  *string
+}
+
+type UserListResult struct {
+	Common shared.CommonResult
+	Data   *[]data.UserSearchDoc `json:"user_list"`
+}
+
+func (self *UserServiceImpl) ListUsers(payload *UserListPayload) (result *UserListResult) {
+	var limit string
+	if payload.Limit == nil || *payload.Limit == "" {
+		limit = "0"
+	}
+
+	var offset string
+	if payload.Offset == nil || *payload.Offset == "" {
+		exception := new(exception.Builder).
+			SetStatus(exception.StatusUser).
+			SetService(exception.ServiceUser).
+			SetEndpoint(exception.EndpointUserServiceList).
+			SetType(exception.TypeCommon).
+			SetOriginal(exception.CommonErrorInvalidInput).
+			SetError(nil).
+			Throw(payload.Context)
+
+		result = &UserListResult{
+			Common: shared.CommonResult{
+				HttpCode:  500,
+				Exception: exception,
+			},
+			Data: nil,
+		}
+
+		return
+	} else {
+		offset = *payload.Offset
+	}
+
+	// Parse string to int64
+	limitNum, err := strconv.ParseInt(limit, 10, 64)
+	if err != nil {
+		exception := new(exception.Builder).
+			SetStatus(exception.StatusUser).
+			SetService(exception.ServiceUser).
+			SetEndpoint(exception.EndpointUserServiceList).
+			SetType(exception.TypeCommon).
+			SetOriginal(exception.CommonErrorInvalidInput).
+			SetError(err).
+			Throw(payload.Context)
+
+		result = &UserListResult{
+			Common: shared.CommonResult{
+				HttpCode:  400,
+				Exception: exception,
+			},
+			Data: nil,
+		}
+
+		return
+	}
+
+	offsetNum, err := strconv.ParseInt(offset, 10, 64)
+	if err != nil {
+		exception := new(exception.Builder).
+			SetStatus(exception.StatusUser).
+			SetService(exception.ServiceUser).
+			SetEndpoint(exception.EndpointUserServiceList).
+			SetType(exception.TypeCommon).
+			SetOriginal(exception.CommonErrorInvalidInput).
+			SetError(err).
+			Throw(payload.Context)
+
+		result = &UserListResult{
+			Common: shared.CommonResult{
+				HttpCode:  400,
+				Exception: exception,
+			},
+			Data: nil,
+		}
+
+		return
+	}
+
+	// Get user list from search engine
+	userList, err := new(data.User).
+		FastListUsers(payload.Context, &limitNum, &offsetNum)
+	if err != nil {
+		exception := new(exception.Builder).
+			SetStatus(exception.StatusServer).
+			SetService(exception.ServiceUser).
+			SetEndpoint(exception.EndpointUserServiceList).
+			SetType(exception.TypeSpecific).
+			SetOriginal(exception.UserListMeilisearchFailed).
+			SetError(err).
+			Throw(payload.Context)
+
+		result = &UserListResult{
+			Common: shared.CommonResult{
+				HttpCode:  500,
+				Exception: exception,
+			},
+			Data: nil,
+		}
+	}
+
+	exception := new(exception.Builder).
+		SetStatus(exception.StatusServer).
+		SetService(exception.ServiceUser).
+		SetEndpoint(exception.EndpointUserServiceList).
+		SetType(exception.TypeCommon).
+		SetOriginal(exception.CommonSuccess).
+		SetError(nil).
+		Throw(payload.Context)
+
+	result = &UserListResult{
+		Common: shared.CommonResult{
+			HttpCode:  200,
+			Exception: exception,
+		},
+		Data: userList,
+	}
+
+	return
+
+}