Bytemalte
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58 lines
1.7 KiB
Rust
58 lines
1.7 KiB
Rust
use easy_nostr::EasyNostr;
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use nostr_sdk::prelude::{Keys, ToBech32};
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use serde::Serialize; // Import für die Schlüssel-Generierung
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// Diese Struktur ist für den Transport zum Frontend (JSON)
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#[derive(Serialize)]
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pub struct LocalPost {
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pub content: String,
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pub author: String,
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pub created_at: u64,
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}
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#[tauri::command]
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pub async fn fetch_nostr_posts(hashtags: Vec<String>) -> Result<Vec<LocalPost>, String> {
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println!("Fetching Nostr posts for hashtags: {:?}", hashtags);
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// 1. Temporären Einweg-Schlüssel generieren
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let random_keys = Keys::generate();
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let temp_nsec = random_keys
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.secret_key()
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.to_bech32()
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.map_err(|e| format!("Fehler beim Generieren des Keys: {}", e))?;
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// 2. Verbindung mit dem temporären Key aufbauen
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let easy = EasyNostr::new(&temp_nsec)
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.await
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.map_err(|e| e.to_string())?;
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// 3. Relays hinzufügen
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easy.add_relays(vec![
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"wss://relay.damus.io",
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"wss://nos.lol",
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"wss://relay.snort.social",
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])
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.await
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.map_err(|e| e.to_string())?;
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// 4. Posts von der Library holen - Entweder per Hashtag oder Random
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let raw_posts = if hashtags.is_empty() {
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easy.get_random_posts().await.map_err(|e| e.to_string())?
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} else {
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easy.get_posts_by_hashtags(hashtags)
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.await
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.map_err(|e| e.to_string())?
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};
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// 5. Mappen: Library-Typ -> Unser serialisierbarer Typ
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let mapped_posts = raw_posts
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.into_iter()
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.map(|p| LocalPost {
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content: p.content,
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author: p.author.to_string(),
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created_at: p.created_at.as_secs(),
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})
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.collect();
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Ok(mapped_posts)
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}
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