67 lines
1.6 KiB
Go
67 lines
1.6 KiB
Go
package common
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import (
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"bytes"
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"encoding/json"
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"github.com/gin-gonic/gin"
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"io"
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"strings"
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)
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const KeyRequestBody = "key_request_body"
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func GetRequestBody(c *gin.Context) ([]byte, error) {
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requestBody, _ := c.Get(KeyRequestBody)
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if requestBody != nil {
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return requestBody.([]byte), nil
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}
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requestBody, err := io.ReadAll(c.Request.Body)
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if err != nil {
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return nil, err
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}
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_ = c.Request.Body.Close()
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c.Set(KeyRequestBody, requestBody)
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return requestBody.([]byte), nil
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}
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type ModelRequest struct {
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Model string `json:"model" form:"model"`
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}
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func UnmarshalBodyReusable(c *gin.Context, v any) error {
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var requestBody []byte
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var err error
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contentType := c.Request.Header.Get("Content-Type")
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if strings.HasPrefix(contentType, "application/json") {
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requestBody, err = GetRequestBody(c)
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if err != nil {
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return err
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}
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err = json.Unmarshal(requestBody, &v)
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}
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if strings.HasPrefix(contentType, "multipart/form-data") {
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var model ModelRequest
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err = c.Bind(&model)
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requestBody, err = json.Marshal(model)
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err = json.Unmarshal(requestBody, &v)
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} else {
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// skip for now
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// TODO: someday non json request have variant model, we will need to implementation this
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}
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if err != nil {
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return err
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}
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// Reset request body
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c.Request.Body = io.NopCloser(bytes.NewBuffer(requestBody))
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return nil
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}
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func SetEventStreamHeaders(c *gin.Context) {
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c.Writer.Header().Set("Content-Type", "text/event-stream")
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c.Writer.Header().Set("Cache-Control", "no-cache")
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c.Writer.Header().Set("Connection", "keep-alive")
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c.Writer.Header().Set("Transfer-Encoding", "chunked")
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c.Writer.Header().Set("X-Accel-Buffering", "no")
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}
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