adding pdf rendering

src/core/presentations.rs

@@ -1,12 +1,13 @@
 use crisp::types::{Keyword, Symbol, Value};
 use miette::{IntoDiagnostic, Result};
+use mupdf::{Document, Page};
 use serde::{Deserialize, Serialize};
 use sqlx::{
     pool::PoolConnection, prelude::FromRow, query, sqlite::SqliteRow,
     Row, Sqlite, SqliteConnection, SqlitePool,
 };
-use std::path::PathBuf;
-use tracing::error;
+use std::{path::PathBuf, sync::Arc};
+use tracing::{debug, error};
 
 use crate::{Background, Slide, SlideBuilder, TextAlignment};
 
@@ -27,9 +28,7 @@ pub enum PresKind {
     Generic,
 }
 
-#[derive(
-    Debug, Clone, Default, PartialEq, Eq, Serialize, Deserialize,
-)]
+#[derive(Debug, Clone, Default, Serialize, Deserialize)]
 pub struct Presentation {
     pub id: i32,
     pub title: String,
@@ -37,6 +36,17 @@ pub struct Presentation {
     pub kind: PresKind,
 }
 
+impl Eq for Presentation {}
+
+impl PartialEq for Presentation {
+    fn eq(&self, other: &Self) -> bool {
+        self.id == other.id
+            && self.title == other.title
+            && self.path == other.path
+            && self.kind == other.kind
+    }
+}
+
 impl From<&Presentation> for Value {
     fn from(value: &Presentation) -> Self {
         Self::List(vec![Self::Symbol(Symbol("presentation".into()))])
@@ -117,22 +127,36 @@ impl ServiceTrait for Presentation {
     }
 
     fn to_slides(&self) -> Result<Vec<Slide>> {
-        let slide = SlideBuilder::new()
-            .background(
-                Background::try_from(self.path.clone())
-                    .into_diagnostic()?,
-            )
-            .text("")
-            .audio("")
-            .font("")
-            .font_size(50)
-            .text_alignment(TextAlignment::MiddleCenter)
-            .video_loop(false)
-            .video_start_time(0.0)
-            .video_end_time(0.0)
-            .build()?;
-
-        Ok(vec![slide])
+        debug!(?self);
+        let background = Background::try_from(self.path.clone())
+            .into_diagnostic()?;
+        debug!(?background);
+        let doc = Document::open(background.path.as_path())
+            .into_diagnostic()?;
+        debug!(?doc);
+        let pages = doc.page_count().into_diagnostic()?;
+        debug!(?pages);
+        let mut slides: Vec<Slide> = vec![];
+        for page in 0..pages {
+            let slide = SlideBuilder::new()
+                .background(
+                    Background::try_from(self.path.clone())
+                        .into_diagnostic()?,
+                )
+                .text("")
+                .audio("")
+                .font("")
+                .font_size(50)
+                .text_alignment(TextAlignment::MiddleCenter)
+                .video_loop(false)
+                .video_start_time(0.0)
+                .video_end_time(0.0)
+                .pdf_index(page as u32)
+                .build()?;
+            slides.push(slide);
+        }
+        debug!(?slides);
+        Ok(slides)
     }
 
     fn box_clone(&self) -> Box<dyn ServiceTrait> {

src/core/service_items.rs

@@ -318,8 +318,8 @@ impl From<&Image> for ServiceItem {
 
 impl From<&Presentation> for ServiceItem {
     fn from(presentation: &Presentation) -> Self {
-        if let Ok(slides) = presentation.to_slides() {
-            Self {
+        match presentation.to_slides() {
+            Ok(slides) => Self {
                 kind: ServiceItemKind::Presentation(
                     presentation.clone(),
                 ),
@@ -327,15 +327,17 @@ impl From<&Presentation> for ServiceItem {
                 title: presentation.title.clone(),
                 slides: slides.into(),
                 ..Default::default()
-            }
-        } else {
-            Self {
-                kind: ServiceItemKind::Presentation(
-                    presentation.clone(),
-                ),
-                database_id: presentation.id,
-                title: presentation.title.clone(),
-                ..Default::default()
+            },
+            Err(e) => {
+                error!(?e);
+                Self {
+                    kind: ServiceItemKind::Presentation(
+                        presentation.clone(),
+                    ),
+                    database_id: presentation.id,
+                    title: presentation.title.clone(),
+                    ..Default::default()
+                }
             }
         }
     }

src/core/slide.rs

@@ -11,7 +11,10 @@ use std::{
 };
 use tracing::error;
 
-use crate::ui::text_svg::{self, TextSvg};
+use crate::ui::{
+    pdf::PdfViewer,
+    text_svg::{self, TextSvg},
+};
 
 use super::songs::Song;
 
@@ -29,6 +32,7 @@ pub struct Slide {
     video_loop: bool,
     video_start_time: f32,
     video_end_time: f32,
+    pdf_index: u32,
     #[serde(skip)]
     pub text_svg: Option<TextSvg>,
 }
@@ -40,6 +44,8 @@ pub enum BackgroundKind {
     #[default]
     Image,
     Video,
+    Pdf,
+    Html,
 }
 
 #[derive(Debug, Clone, Default)]
@@ -157,16 +163,22 @@ impl TryFrom<PathBuf> for Background {
                     .to_str()
                     .unwrap_or_default();
                 match extension {
-                    "jpeg" | "jpg" | "png" | "webp" | "html" => {
-                        Ok(Self {
-                            path: value,
-                            kind: BackgroundKind::Image,
-                        })
-                    }
+                    "jpeg" | "jpg" | "png" | "webp" => Ok(Self {
+                        path: value,
+                        kind: BackgroundKind::Image,
+                    }),
                     "mp4" | "mkv" | "webm" => Ok(Self {
                         path: value,
                         kind: BackgroundKind::Video,
                     }),
+                    "pdf" => Ok(Self {
+                        path: value,
+                        kind: BackgroundKind::Pdf,
+                    }),
+                    "html" => Ok(Self {
+                        path: value,
+                        kind: BackgroundKind::Html,
+                    }),
                     _ => Err(ParseError::NonBackgroundFile),
                 }
             }
@@ -281,6 +293,11 @@ impl Slide {
         self
     }
 
+    pub fn set_pdf_index(mut self, pdf_index: u32) -> Self {
+        self.pdf_index = pdf_index;
+        self
+    }
+
     pub fn background(&self) -> &Background {
         &self.background
     }
@@ -309,6 +326,10 @@ impl Slide {
         self.audio.clone()
     }
 
+    pub fn pdf_index(&self) -> u32 {
+        self.pdf_index
+    }
+
     pub fn song_slides(song: &Song) -> Result<Vec<Self>> {
         let lyrics = song.get_lyrics()?;
         let slides: Vec<Slide> = lyrics
@@ -524,6 +545,7 @@ pub struct SlideBuilder {
     video_loop: Option<bool>,
     video_start_time: Option<f32>,
     video_end_time: Option<f32>,
+    pdf_index: Option<u32>,
     #[serde(skip)]
     text_svg: Option<TextSvg>,
 }
@@ -607,6 +629,14 @@ impl SlideBuilder {
         self
     }
 
+    pub(crate) fn pdf_index(
+        mut self,
+        pdf_index: impl Into<u32>,
+    ) -> Self {
+        let _ = self.pdf_index.insert(pdf_index.into());
+        self
+    }
+
     pub(crate) fn build(self) -> Result<Slide> {
         let Some(background) = self.background else {
             return Err(miette!("No background"));
@@ -643,6 +673,7 @@ impl SlideBuilder {
             video_start_time,
             video_end_time,
             text_svg: self.text_svg,
+            pdf_index: self.pdf_index.unwrap_or_default(),
             ..Default::default()
         })
     }