32 lines
697 B
Go
32 lines
697 B
Go
package clickhouse
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import (
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"net/http"
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"fiskerinc.com/modules/validator"
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"github.com/gorilla/schema"
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)
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const PageQueryOptionsLimitMaximum = 100
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type PageQueryOptions struct {
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Limit int `json:"limit" validate:"gte=0,lte=100"`
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Offset int `json:"offset" validate:"gte=0"`
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}
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// ParsePageQuery parses PageQueryOptions from http request
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func ParsePageQuery(r *http.Request) (PageQueryOptions, error) {
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decoder := schema.NewDecoder()
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options := PageQueryOptions{}
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decoder.SetAliasTag("json")
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decoder.Decode(&options, r.URL.Query())
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err := validator.ValidateStruct(options)
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if err == nil && options.Limit == 0 {
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options.Limit = PageQueryOptionsLimitMaximum
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}
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return options, err
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}
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