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add buildin function add/minus/times/divide for package gview

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This commit is contained in:
John Guo
2021-08-25 20:00:53 +08:00
parent 6be582355c
commit 59397fd8a5
9 changed files with 172 additions and 56 deletions
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38
errors/gcode/gcode.go
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@ -7,8 +7,6 @@
// Package gcode provides universal error code definition and common error codes implements.
package gcode
import "fmt"
// Code is universal error code interface definition.
type Code interface {
// Code returns the integer number of current error code.
@ -22,13 +20,6 @@ type Code interface {
Detail() interface{}
}
// localCode is an implementer for interface Code for internal usage only.
type localCode struct {
code int // Error code, usually an integer.
message string // Brief message for this error code.
detail interface{} // As type of interface, it is mainly designed as an extension field for error code.
}
// ================================================================================================================
// Common error code definition.
// There are reserved internal error code by framework: code < 1000.
@ -52,7 +43,7 @@ var (
CodeSecurityReason = localCode{62, "Security Reason", nil} // Security Reason.
CodeServerBusy = localCode{63, "Server Is Busy", nil} // Server is busy, please try again later.
CodeUnknown = localCode{64, "Unknown Error", nil} // Unknown error.
CodeResourceNotExist = localCode{65, "Resource Not Exist", nil} // Resource does not exist.
CodeNotFound = localCode{65, "Not Found", nil} // Resource does not exist.
CodeInvalidRequest = localCode{66, "Invalid Request", nil} // Invalid request.
CodeBusinessValidationFailed = localCode{300, "Business Validation Failed", nil} // Business validation failed.
)
@ -66,30 +57,3 @@ func New(code int, message string, detail interface{}) Code {
detail: detail,
}
}
// Code returns the integer number of current error code.
func (c localCode) Code() int {
return c.code
}
// Message returns the brief message for current error code.
func (c localCode) Message() string {
return c.message
}
// Detail returns the detailed information of current error code,
// which is mainly designed as an extension field for error code.
func (c localCode) Detail() interface{} {
return c.detail
}
// String returns current error code as a string.
func (c localCode) String() string {
if c.detail != nil {
return fmt.Sprintf(`%d:%s %v`, c.code, c.message, c.detail)
}
if c.message != "" {
return fmt.Sprintf(`%d:%s`, c.code, c.message)
}
return fmt.Sprintf(`%d`, c.code)
}