57 lines
1.5 KiB
Go
57 lines
1.5 KiB
Go
package web
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import (
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"encoding/json"
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"net/http"
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)
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func generateFormattedBarcode(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodPost {
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http.Error(w, "Use a POST request for barcode generation", http.StatusMethodNotAllowed)
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return
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}
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var req FormattedBarcodeRequest
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err := json.NewDecoder(r.Body).Decode(&req)
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if err != nil {
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http.Error(w, err.Error(), http.StatusBadRequest)
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return
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}
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// Define a new type in `formatting` and create an instance of it here
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// Call the format function providing the above type
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// Create a generation.Parameters struct here using the string obtained from `formatting`
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// Call the validate function providing the generation.Parameters var
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/* Generate the barcode as per generate.route.go
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barcodeGen, err := generation.Generate(parameters)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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if barcodeGen == nil {
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fmt.Println("Generation failed, no barcode created")
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http.Error(w, "Barcode Generation Failed", http.StatusInternalServerError)
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return
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}
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barcodeGen, _ = barcode.Scale(barcodeGen, int(req.Width), int(req.Height))
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image, isImage := barcodeGen.(image.Image)
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if !isImage {
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fmt.Println("Generation failed - no image")
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http.Error(w, "Generated Barcode is not an image", http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "image/png")
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err = png.Encode(w, image)
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if err != nil {
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http.Error(w, "Error streaming barcode", http.StatusInternalServerError)
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}*/
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}
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