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228 lines
No EOL
7.2 KiB
Rust
228 lines
No EOL
7.2 KiB
Rust
//! Component utilities using trait-based dependency injection
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use crate::*;
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/// Basic component renderer implementation
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///
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/// This provides a simple implementation of ComponentRenderer that can be
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/// used as a starting point for implementations.
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pub struct BasicComponentRenderer<V> {
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_phantom: std::marker::PhantomData<V>,
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}
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impl<V> BasicComponentRenderer<V> {
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/// Create new basic component renderer
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pub fn new() -> Self {
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Self {
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_phantom: std::marker::PhantomData,
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}
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}
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}
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impl<V> Default for BasicComponentRenderer<V> {
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fn default() -> Self {
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Self::new()
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}
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}
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/// Simple layout provider using configuration
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///
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/// This provides basic layout functionality that implementations can extend.
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pub struct ConfigurableLayoutProvider {
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/// Available themes
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pub themes: Vec<ThemeConfig>,
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/// Default theme ID
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pub default_theme_id: String,
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}
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impl ConfigurableLayoutProvider {
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/// Create layout provider from site configuration
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pub fn from_site_config(site_config: &SiteConfig) -> Self {
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Self {
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themes: site_config.themes.clone(),
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default_theme_id: site_config.default_theme.clone(),
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}
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}
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/// Create layout provider with explicit configuration
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pub fn new(themes: Vec<ThemeConfig>, default_theme_id: String) -> Self {
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Self {
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themes,
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default_theme_id,
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}
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}
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}
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/// Simple layout wrapper
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#[derive(Debug, Clone)]
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pub struct BasicLayout {
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/// Layout identifier
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pub id: String,
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/// Layout template (implementation-specific)
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pub template: String,
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}
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impl BasicLayout {
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/// Create new basic layout
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pub fn new(id: impl Into<String>, template: impl Into<String>) -> Self {
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Self {
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id: id.into(),
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template: template.into(),
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}
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}
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}
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impl LayoutProvider for ConfigurableLayoutProvider {
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type Layout = BasicLayout;
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type Theme = ThemeConfig;
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type View = String; // Implementations should use their actual view type
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fn get_layout(&self, layout_id: &str) -> ComponentResult<Self::Layout> {
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// Simple layout mapping - implementations can make this more sophisticated
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let template = match layout_id {
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"default" => "<!DOCTYPE html><html><head><title>{title}</title></head><body>{content}</body></html>",
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"minimal" => "{content}",
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"blog" => "<!DOCTYPE html><html><head><title>{title}</title></head><body><article>{content}</article></body></html>",
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_ => return Err(ComponentError::LayoutError(format!("Unknown layout: {}", layout_id))),
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};
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Ok(BasicLayout::new(layout_id, template))
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}
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fn get_theme(&self, theme_id: &str) -> ComponentResult<Self::Theme> {
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self.themes
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.iter()
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.find(|theme| theme.id == theme_id)
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.cloned()
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.ok_or_else(|| ComponentError::LayoutError(format!("Theme not found: {}", theme_id)))
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}
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fn apply_layout(
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&self,
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layout: &Self::Layout,
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view: Self::View,
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theme: &Self::Theme,
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_language: &str,
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) -> ComponentResult<Self::View> {
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// Simple template substitution - implementations should use proper templating
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let mut result = layout.template.clone();
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result = result.replace("{content}", &view);
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result = result.replace("{title}", "Page Title"); // Implementation should provide real title
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// Apply theme variables
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for (var, value) in &theme.css_variables {
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result = result.replace(&format!("{{{}}}", var), value);
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}
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Ok(result)
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}
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fn default_layout(&self) -> ComponentResult<Self::Layout> {
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self.get_layout("default")
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}
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fn default_theme(&self) -> ComponentResult<Self::Theme> {
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self.get_theme(&self.default_theme_id)
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use std::collections::HashMap;
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fn create_test_themes() -> Vec<ThemeConfig> {
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vec![
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ThemeConfig {
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id: "default".to_string(),
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name: "Default Theme".to_string(),
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description: Some("Default theme".to_string()),
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primary_color: "#007acc".to_string(),
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secondary_color: "#ffffff".to_string(),
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css_variables: {
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let mut vars = HashMap::new();
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vars.insert("primary".to_string(), "#007acc".to_string());
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vars.insert("secondary".to_string(), "#ffffff".to_string());
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vars
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},
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is_dark: false,
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},
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ThemeConfig {
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id: "dark".to_string(),
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name: "Dark Theme".to_string(),
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description: Some("Dark theme".to_string()),
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primary_color: "#ffffff".to_string(),
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secondary_color: "#1a1a1a".to_string(),
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css_variables: {
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let mut vars = HashMap::new();
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vars.insert("primary".to_string(), "#ffffff".to_string());
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vars.insert("secondary".to_string(), "#1a1a1a".to_string());
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vars
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},
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is_dark: true,
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},
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]
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}
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#[test]
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fn test_layout_provider() {
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let themes = create_test_themes();
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let provider = ConfigurableLayoutProvider::new(themes, "default".to_string());
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// Test layout retrieval
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let layout = provider.get_layout("default").unwrap();
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assert_eq!(layout.id, "default");
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assert!(layout.template.contains("<html>"));
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// Test theme retrieval
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let theme = provider.get_theme("default").unwrap();
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assert_eq!(theme.id, "default");
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assert_eq!(theme.primary_color, "#007acc");
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// Test layout application
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let view = "Test Content".to_string();
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let result = provider.apply_layout(&layout, view, &theme, "en").unwrap();
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assert!(result.contains("Test Content"));
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assert!(result.contains("<html>"));
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}
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#[test]
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fn test_default_implementations() {
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let themes = create_test_themes();
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let provider = ConfigurableLayoutProvider::new(themes, "default".to_string());
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let default_layout = provider.default_layout().unwrap();
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assert_eq!(default_layout.id, "default");
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let default_theme = provider.default_theme().unwrap();
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assert_eq!(default_theme.id, "default");
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}
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#[test]
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fn test_layout_error_handling() {
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let themes = create_test_themes();
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let provider = ConfigurableLayoutProvider::new(themes, "default".to_string());
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let result = provider.get_layout("nonexistent");
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assert!(result.is_err());
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match result.unwrap_err() {
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ComponentError::LayoutError(_) => (), // Expected
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_ => panic!("Expected LayoutError"),
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}
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}
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#[test]
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fn test_theme_error_handling() {
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let themes = create_test_themes();
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let provider = ConfigurableLayoutProvider::new(themes, "default".to_string());
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let result = provider.get_theme("nonexistent");
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assert!(result.is_err());
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match result.unwrap_err() {
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ComponentError::LayoutError(_) => (), // Expected
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_ => panic!("Expected LayoutError"),
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}
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}
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} |