39 lines
885 B
Go
39 lines
885 B
Go
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package logic
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import (
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"fmt"
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"strings"
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"img_infinite_canvas/internal/domain/design"
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)
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func validateRequiredPrompt(prompt string, allowEmpty bool) error {
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if allowEmpty {
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return nil
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}
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if hasRequiredPromptText(prompt) {
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return nil
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}
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return fmt.Errorf("%w: prompt is required", design.ErrInvalidInput)
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}
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func hasRequiredPromptText(prompt string) bool {
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for _, line := range strings.Split(prompt, "\n") {
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line = strings.TrimSpace(strings.ReplaceAll(line, "\u00a0", " "))
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if line == "" || isPromptReferenceDirective(line) {
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continue
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}
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return true
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}
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return false
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}
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func isPromptReferenceDirective(line string) bool {
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lower := strings.ToLower(line)
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hasURL := strings.Contains(lower, "http://") || strings.Contains(lower, "https://")
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if !hasURL {
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return false
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}
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return strings.HasPrefix(line, "参考图") || strings.HasPrefix(lower, "reference image")
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}
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