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api.go
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api.go
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package mapdf
import (
"bytes"
"encoding/json"
"io"
"mime/multipart"
"net/http"
"os"
)
func PostFileWithHeader[T any](targetURL, tokenKey, tokenValue, filePath, formdataName string) (result T, err error) {
// Open the file
file, err := os.Open(filePath)
if err != nil {
return
}
defer file.Close()
// Create a buffer to store the form data
var requestBody bytes.Buffer
writer := multipart.NewWriter(&requestBody)
// Create a part for the file
filePart, err := writer.CreateFormFile(formdataName, filePath)
if err != nil {
return
}
// Copy the file content to the part
_, err = io.Copy(filePart, file)
if err != nil {
return
}
// Add the token as a form field
writer.WriteField(tokenKey, tokenValue)
// Close the form data writer
writer.Close()
// Create a new HTTP request with the form data
request, err := http.NewRequest("POST", targetURL, &requestBody)
if err != nil {
return
}
// Set the content type header
request.Header.Set("Content-Type", writer.FormDataContentType())
// Set the token header
request.Header.Set(tokenKey, tokenValue)
// Create an HTTP client
client := &http.Client{}
// Perform the request
response, err := client.Do(request)
if err != nil {
return
}
defer response.Body.Close()
// Read the response body
responseBody, err := io.ReadAll(response.Body)
if err != nil {
return
}
if err = json.Unmarshal(responseBody, &result); err != nil {
return
}
return
}