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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,135 @@ | ||
package handler | ||
|
||
import ( | ||
"fmt" | ||
"strconv" | ||
"time" | ||
) | ||
|
||
func HandleMathMax(req Request) (string, map[string]string, error) { | ||
defer recoverFailure(req) | ||
|
||
switch req.RequestType { | ||
case "Create": | ||
fmt.Println("CREATING Max") | ||
fmt.Printf("req %+v\n", req) | ||
return CreateMathMax(req) | ||
case "Update": | ||
fmt.Println("UPDATING Max") | ||
fmt.Printf("req %+v\n", req) | ||
return UpdateMathMax(req) | ||
case "Delete": | ||
fmt.Println("no need to delete") | ||
fmt.Printf("req %+v\n", req) | ||
return req.PhysicalResourceId, nil, nil | ||
} | ||
|
||
return "", nil, fmt.Errorf("unknown RequestType: %s", req.RequestType) | ||
} | ||
|
||
func HandleMathMin(req Request) (string, map[string]string, error) { | ||
defer recoverFailure(req) | ||
|
||
switch req.RequestType { | ||
case "Create": | ||
fmt.Println("CREATING Min") | ||
fmt.Printf("req %+v\n", req) | ||
return CreateMathMin(req) | ||
case "Update": | ||
fmt.Println("UPDATING Min") | ||
fmt.Printf("req %+v\n", req) | ||
return UpdateMathMin(req) | ||
case "Delete": | ||
fmt.Println("no need to delete") | ||
fmt.Printf("req %+v\n", req) | ||
return req.PhysicalResourceId, nil, nil | ||
} | ||
|
||
return "", nil, fmt.Errorf("unknown RequestType: %s", req.RequestType) | ||
} | ||
|
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func CreateMathMax(req Request) (string, map[string]string, error) { | ||
val, err := mathMax(req) | ||
if err != nil { | ||
return "invalid", nil, err | ||
} | ||
|
||
return fmt.Sprintf("mathmax-%d", time.Now().UnixNano()), map[string]string{ | ||
"Value": val, | ||
}, nil | ||
} | ||
|
||
func UpdateMathMax(req Request) (string, map[string]string, error) { | ||
val, err := mathMax(req) | ||
if err != nil { | ||
return "invalid", nil, err | ||
} | ||
|
||
return req.PhysicalResourceId, map[string]string{ | ||
"Value": val, | ||
}, nil | ||
} | ||
|
||
func CreateMathMin(req Request) (string, map[string]string, error) { | ||
val, err := mathMin(req) | ||
if err != nil { | ||
return "invalid", nil, err | ||
} | ||
|
||
return fmt.Sprintf("mathmin-%d", time.Now().UnixNano()), map[string]string{ | ||
"Value": val, | ||
}, nil | ||
} | ||
|
||
func UpdateMathMin(req Request) (string, map[string]string, error) { | ||
val, err := mathMin(req) | ||
if err != nil { | ||
return "invalid", nil, err | ||
} | ||
|
||
return req.PhysicalResourceId, map[string]string{ | ||
"Value": val, | ||
}, nil | ||
} | ||
|
||
func mathMax(req Request) (string, error) { | ||
x, y, err := parseXY(req) | ||
if err != nil { | ||
return "", err | ||
} | ||
|
||
if y > x { | ||
x = y | ||
} | ||
|
||
return strconv.Itoa(x), nil | ||
} | ||
|
||
func mathMin(req Request) (string, error) { | ||
x, y, err := parseXY(req) | ||
if err != nil { | ||
return "", err | ||
} | ||
|
||
if y < x { | ||
x = y | ||
} | ||
|
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return strconv.Itoa(x), nil | ||
} | ||
|
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func parseXY(req Request) (int, int, error) { | ||
xStr := req.ResourceProperties["X"].(string) | ||
yStr := req.ResourceProperties["Y"].(string) | ||
|
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x, err := strconv.Atoi(xStr) | ||
if err != nil { | ||
return 0, 0, err | ||
} | ||
|
||
y, err := strconv.Atoi(yStr) | ||
if err != nil { | ||
return 0, 0, err | ||
} | ||
return x, y, nil | ||
} |
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