chore: add comments to code

internal/providers/google.go

@@ -8,40 +8,50 @@ import (
 	"github.com/rs/zerolog/log"
 )
 
+// Google works the same as the generic provider
 type GoogleUserInfoResponse struct {
 	Email string `json:"email"`
 }
 
+// The scopes required for the google provider
 func GoogleScopes() []string {
 	return []string{"https://www.googleapis.com/auth/userinfo.email"}
 }
 
 func GetGoogleEmail(client *http.Client) (string, error) {
+	// Get the user info from google using the oauth http client
 	res, resErr := client.Get("https://www.googleapis.com/userinfo/v2/me")
 
+	// Check if there was an error
 	if resErr != nil {
 		return "", resErr
 	}
 
 	log.Debug().Msg("Got response from google")
 
+	// 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 google")
 
+	// Parse the body into a user struct
 	var user GoogleUserInfoResponse
 
+	// 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 google")
 
+	// Return the email
 	return user.Email, nil
 }