chore: add comments to code

internal/providers/generic.go

@@ -8,36 +8,45 @@ import (
 	"github.com/rs/zerolog/log"
 )
 
+// We are assuming that the generic provider will return a JSON object with an email field
 type GenericUserInfoResponse struct {
 	Email string `json:"email"`
 }
 
 func GetGenericEmail(client *http.Client, url string) (string, error) {
+	// Using the oauth client get the user info url
 	res, resErr := client.Get(url)
 
+	// Check if there was an error
 	if resErr != nil {
 		return "", resErr
 	}
 
 	log.Debug().Msg("Got response from generic provider")
 
+	// Read the body of the response
 	body, bodyErr := io.ReadAll(res.Body)
 
+	// Check if there was an error
 	if bodyErr != nil {
 		return "", bodyErr
 	}
 
 	log.Debug().Msg("Read body from generic provider")
 
+	// Parse the body into a user struct
 	var user GenericUserInfoResponse
 
+	// Unmarshal the body into the user struct
 	jsonErr := json.Unmarshal(body, &user)
 
+	// Check if there was an error
 	if jsonErr != nil {
 		return "", jsonErr
 	}
 
 	log.Debug().Msg("Parsed user from generic provider")
 
+	// Return the email
 	return user.Email, nil
 }