feat: add IPTV export functionality with M3U and XMLTV generation, including UI components for export dialog

k-tv-backend/domain/src/iptv.rs

@@ -0,0 +1,93 @@
+//! IPTV export: M3U playlist and XMLTV guide generation.
+//!
+//! Pure functions — no I/O, no dependencies beyond domain types.
+
+use std::collections::HashMap;
+
+use crate::entities::{Channel, ScheduledSlot};
+use crate::value_objects::ChannelId;
+
+/// Generate an M3U playlist for the given channels.
+///
+/// Each entry points to the channel's `/stream` endpoint authenticated with the
+/// provided JWT token so IPTV clients can load it directly.
+pub fn generate_m3u(channels: &[Channel], base_url: &str, token: &str) -> String {
+    let mut out = String::from("#EXTM3U\n");
+    for ch in channels {
+        out.push_str(&format!(
+            "#EXTINF:-1 tvg-id=\"{}\" tvg-name=\"{}\" tvg-logo=\"\" group-title=\"K-TV\",{}\n",
+            ch.id, ch.name, ch.name
+        ));
+        out.push_str(&format!(
+            "{}/api/v1/channels/{}/stream?token={}\n",
+            base_url, ch.id, token
+        ));
+    }
+    out
+}
+
+/// Generate an XMLTV EPG document for the given channels and their scheduled slots.
+pub fn generate_xmltv(
+    channels: &[Channel],
+    slots_by_channel: &HashMap<ChannelId, Vec<ScheduledSlot>>,
+) -> String {
+    let mut out =
+        String::from("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<tv generator-info-name=\"k-tv\">\n");
+
+    for ch in channels {
+        out.push_str(&format!(
+            "  <channel id=\"{}\"><display-name>{}</display-name></channel>\n",
+            ch.id,
+            escape_xml(&ch.name)
+        ));
+    }
+
+    for ch in channels {
+        if let Some(slots) = slots_by_channel.get(&ch.id) {
+            for slot in slots {
+                let start = slot.start_at.format("%Y%m%d%H%M%S +0000");
+                let stop = slot.end_at.format("%Y%m%d%H%M%S +0000");
+                out.push_str(&format!(
+                    "  <programme start=\"{}\" stop=\"{}\" channel=\"{}\">\n",
+                    start, stop, ch.id
+                ));
+                out.push_str(&format!(
+                    "    <title lang=\"en\">{}</title>\n",
+                    escape_xml(&slot.item.title)
+                ));
+                if let Some(desc) = &slot.item.description {
+                    out.push_str(&format!(
+                        "    <desc lang=\"en\">{}</desc>\n",
+                        escape_xml(desc)
+                    ));
+                }
+                if let Some(genre) = slot.item.genres.first() {
+                    out.push_str(&format!(
+                        "    <category lang=\"en\">{}</category>\n",
+                        escape_xml(genre)
+                    ));
+                }
+                if let (Some(season), Some(episode)) =
+                    (slot.item.season_number, slot.item.episode_number)
+                {
+                    out.push_str(&format!(
+                        "    <episode-num system=\"onscreen\">S{}E{}</episode-num>\n",
+                        season, episode
+                    ));
+                }
+                out.push_str("  </programme>\n");
+            }
+        }
+    }
+
+    out.push_str("</tv>\n");
+    out
+}
+
+fn escape_xml(s: &str) -> String {
+    s.replace('&', "&amp;")
+        .replace('<', "&lt;")
+        .replace('>', "&gt;")
+        .replace('"', "&quot;")
+        .replace('\'', "&apos;")
+}

k-tv-backend/domain/src/lib.rs

@@ -5,6 +5,7 @@
 
 pub mod entities;
 pub mod errors;
+pub mod iptv;
 pub mod ports;
 pub mod repositories;
 pub mod services;
@@ -15,5 +16,6 @@ pub use entities::*;
 pub use errors::{DomainError, DomainResult};
 pub use ports::{Collection, IMediaProvider, SeriesSummary};
 pub use repositories::*;
+pub use iptv::{generate_m3u, generate_xmltv};
 pub use services::{ChannelService, ScheduleEngineService, UserService};
 pub use value_objects::*;