Add search-media-items verb to list all photos in an album.

src/main.rs

@@ -3,6 +3,7 @@ use std::path::PathBuf;
 
 use google_api_auth;
 use google_photoslibrary1;
+use google_photoslibrary1::schemas::SearchMediaItemsRequest;
 use regex::Regex;
 use structopt::StructOpt;
 use yup_oauth2::{Authenticator, InstalledFlow};
@@ -10,7 +11,12 @@ use yup_oauth2::{Authenticator, InstalledFlow};
 #[derive(Debug, StructOpt)]
 enum Command {
     /// List albums for the user of the given credentials.  Optionally title filter.
-    ListAlbums { title_filter: Option<Regex> },
+    ListAlbums {
+        title_filter: Option<Regex>,
+    },
+    SearchMediaItems {
+        album_id: String,
+    },
 }
 
 #[derive(Debug, StructOpt)]
@@ -59,6 +65,40 @@ fn new_client(
     Ok(google_photoslibrary1::Client::new(auth))
 }
 
+fn search_media_items(
+    client: google_photoslibrary1::Client,
+    album_id: String,
+) -> Result<(), Box<dyn Error>> {
+    let mut page_token = None;
+    let mut total = 0;
+    loop {
+        let resp = client
+            .media_items()
+            .search(SearchMediaItemsRequest {
+                album_id: Some(album_id.clone()),
+                page_token,
+                ..Default::default()
+            })
+            .execute_with_all_fields()?;
+
+        let media_items = resp.media_items.ok_or("no results")?;
+        println!("got ({}) items", media_items.len());
+        total += media_items.len();
+        for mi in media_items {
+            println!(
+                "{} {}",
+                mi.id.unwrap_or("NO ID".to_string()),
+                mi.filename.unwrap_or("NO FILENAME".to_string())
+            );
+        }
+        page_token = resp.next_page_token;
+        if page_token.is_none() {
+            println!("({}) items total", total);
+            return Ok(());
+        }
+    }
+}
+
 fn list_albums(
     client: google_photoslibrary1::Client,
     title_filter: Option<Regex>,
@@ -80,9 +120,10 @@ fn list_albums(
             }
         }
         println!(
-            "album: {} {}",
+            "album: {} {} ({} items)",
             a.id.unwrap_or("NO ID".to_string()),
-            a.title.unwrap_or("NO TITLE".to_string()).to_string()
+            a.title.unwrap_or("NO TITLE".to_string()).to_string(),
+            a.media_items_count.unwrap_or(0)
         );
     }
     Ok(())
@@ -94,5 +135,6 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     let client = new_client(&opt.credentials, &opt.token_cache)?;
     match opt.cmd {
         Command::ListAlbums { title_filter } => list_albums(client, title_filter),
+        Command::SearchMediaItems { album_id } => search_media_items(client, album_id),
     }
 }