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https://github.com/gotenberg/gotenberg.git
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79 lines
2.2 KiB
Go
79 lines
2.2 KiB
Go
package gotenberg
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import (
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"fmt"
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"path/filepath"
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"strconv"
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)
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// HTMLRequest facilitates HTML conversion
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// with the Gotenberg API.
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type HTMLRequest struct {
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IndexFilePath string
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AssetFilePaths []string
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Options *HTMLOptions
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}
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// HTMLOptions gathers all options
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// for HTML conversion with the Gotenberg API.
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type HTMLOptions struct {
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WebHookURL string
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HeaderFilePath string
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FooterFilePath string
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PaperSize [2]float64
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PaperMargins [4]float64
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Landscape bool
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}
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func (html *HTMLRequest) validate() error {
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if !fileExists(html.IndexFilePath) {
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return fmt.Errorf("%s: index file does not exist", html.IndexFilePath)
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}
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if html.Options.HeaderFilePath != "" && !fileExists(html.Options.HeaderFilePath) {
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return fmt.Errorf("%s: header file does not exist", html.Options.HeaderFilePath)
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}
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if html.Options.FooterFilePath != "" && !fileExists(html.Options.FooterFilePath) {
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return fmt.Errorf("%s: footer file does not exist", html.Options.FooterFilePath)
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}
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return nil
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}
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func (html *HTMLRequest) getPostURL() string {
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return "/convert/html"
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}
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func (html *HTMLRequest) getFormValues() map[string]string {
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if html.Options == nil {
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html.Options = &HTMLOptions{}
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}
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values := make(map[string]string)
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values[webhookURL] = html.Options.WebHookURL
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values[paperWidth] = fmt.Sprintf("%f", html.Options.PaperSize[0])
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values[paperHeight] = fmt.Sprintf("%f", html.Options.PaperSize[1])
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values[marginTop] = fmt.Sprintf("%f", html.Options.PaperMargins[0])
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values[marginBottom] = fmt.Sprintf("%f", html.Options.PaperMargins[1])
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values[marginLeft] = fmt.Sprintf("%f", html.Options.PaperMargins[2])
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values[marginRight] = fmt.Sprintf("%f", html.Options.PaperMargins[3])
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values[landscape] = strconv.FormatBool(html.Options.Landscape)
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return values
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}
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func (html *HTMLRequest) getFormFiles() map[string]string {
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if html.Options == nil {
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html.Options = &HTMLOptions{}
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}
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files := make(map[string]string)
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files["index.html"] = html.IndexFilePath
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files["header.html"] = html.Options.HeaderFilePath
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files["footer.html"] = html.Options.FooterFilePath
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for _, fpath := range html.AssetFilePaths {
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files[filepath.Base(fpath)] = fpath
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}
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return files
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}
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// Compile-time checks to ensure type implements desired interfaces.
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var (
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_ = Request(new(HTMLRequest))
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)
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