Платформа ЦРНП "Мирокод" для разработки проектов
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56 lines
1.4 KiB
56 lines
1.4 KiB
package validate |
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import ( |
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"context" |
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) |
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// validateCtxKey is the key type of context key in this pkg |
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type validateCtxKey string |
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const ( |
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operationTypeKey validateCtxKey = "operationTypeKey" |
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) |
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type operationType string |
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const ( |
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request operationType = "request" |
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response operationType = "response" |
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none operationType = "none" // not specified in ctx |
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) |
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var operationTypeEnum []operationType = []operationType{request, response, none} |
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// WithOperationRequest returns a new context with operationType request |
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// in context value |
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func WithOperationRequest(ctx context.Context) context.Context { |
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return withOperation(ctx, request) |
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} |
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// WithOperationRequest returns a new context with operationType response |
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// in context value |
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func WithOperationResponse(ctx context.Context) context.Context { |
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return withOperation(ctx, response) |
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} |
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func withOperation(ctx context.Context, operation operationType) context.Context { |
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return context.WithValue(ctx, operationTypeKey, operation) |
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} |
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// extractOperationType extracts the operation type from ctx |
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// if not specified or of unknown value, return none operation type |
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func extractOperationType(ctx context.Context) operationType { |
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v := ctx.Value(operationTypeKey) |
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if v == nil { |
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return none |
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} |
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res, ok := v.(operationType) |
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if !ok { |
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return none |
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} |
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// validate the value is in operation enum |
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if err := Enum("", "", res, operationTypeEnum); err != nil { |
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return none |
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} |
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return res |
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}
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