mbp

2026-03-26 12:51:27 -05:00
parent a060a84cf1
commit c15f0b0f0b
6 changed files with 262 additions and 179 deletions
--- a/modules/nixos/wallpaper/default.nix
+++ b/modules/nixos/wallpaper/default.nix
@@ -0,0 +1,173 @@
+{
+  config,
+  lib,
+  pkgs,
+  namespace,
+  ...
+}:
+let
+  cfg = config.${namespace}.wallpaper;
+
+  wallpaper-command = if cfg.source == "nasa" then "nasa-wallpaper" else "bing-wallpaper";
+
+  # System activation script to ensure wallpaper is available early in boot
+  wallpaper-activation-script = ''
+    # Create wallpaper directory if it doesn't exist
+    mkdir -p ${cfg.dir}
+
+    # Copy default wallpaper as fallback if it doesn't exist
+    if [ ! -f ${cfg.dir}/fallback.jpg ]; then
+      cp ${cfg.defaultWallpaper} ${cfg.dir}/fallback.jpg
+    fi
+
+    # If no current wallpaper exists, use the fallback
+    if [ ! -f ${cfg.dir}/current.jpg ]; then
+      cp ${cfg.dir}/fallback.jpg ${cfg.dir}/current.jpg
+    fi
+
+    # Create symlink for Plymouth and display manager
+    ln -sf ${cfg.dir}/current.jpg /run/wallpaper.jpg
+  '';
+
+  bing-wallpaper = pkgs.writeScriptBin "bing-wallpaper" ''
+    # Directory to store wallpapers
+    WALLPAPER_DIR="${cfg.dir}"
+    IMG_PATH="$WALLPAPER_DIR/current.jpg"
+    FALLBACK_PATH="$WALLPAPER_DIR/fallback.jpg"
+
+    # Ensure directory exists
+    mkdir -p "$WALLPAPER_DIR"
+
+    # Update symlink
+    ln -sf "$IMG_PATH" /run/wallpaper.jpg
+
+    # Try to download new wallpaper
+    if ${lib.getExe pkgs.curl} -s --connect-timeout 5 --max-time 10 "https://www.bing.com" > /dev/null; then
+      URL=$(${lib.getExe pkgs.curl} -s "https://www.bing.com/HPImageArchive.aspx?format=js&idx=0&n=1" | \
+        ${lib.getExe pkgs.jq} -r '.images[0].url')
+      FULL_URL="https://www.bing.com$URL"
+      if ${lib.getExe pkgs.curl} -s -o "$IMG_PATH.tmp" "$FULL_URL"; then
+        mv "$IMG_PATH.tmp" "$IMG_PATH"
+        echo "Downloaded $FULL_URL to $IMG_PATH successfully"
+      else
+        echo "Failed to download Bing wallpaper, using previous or fallback"
+        if [ ! -f "$IMG_PATH" ] && [ -f "$FALLBACK_PATH" ]; then
+          cp "$FALLBACK_PATH" "$IMG_PATH"
+        fi
+      fi
+    else
+      echo "Network unavailable, using previous or fallback wallpaper"
+      if [ ! -f "$IMG_PATH" ] && [ -f "$FALLBACK_PATH" ]; then
+        cp "$FALLBACK_PATH" "$IMG_PATH"
+      fi
+    fi
+  '';
+
+  nasa-wallpaper = pkgs.writeScriptBin "nasa-wallpaper" ''
+    # Directory to store wallpapers
+    WALLPAPER_DIR="${cfg.dir}"
+    IMG_PATH="$WALLPAPER_DIR/current.jpg"
+    FALLBACK_PATH="$WALLPAPER_DIR/fallback.jpg"
+
+    # Ensure directory exists
+    mkdir -p "$WALLPAPER_DIR"
+
+    # Update symlink
+    ln -sf "$IMG_PATH" /run/wallpaper.jpg
+
+    # Try to download new wallpaper
+    if ${lib.getExe pkgs.curl} -s --connect-timeout 5 --max-time 10 "https://api.nasa.gov" > /dev/null; then
+      APOD_URL="https://api.nasa.gov/planetary/apod?api_key=DEMO_KEY"
+      IMAGE_URL=$(${lib.getExe pkgs.curl} -s "$APOD_URL" | ${lib.getExe pkgs.jq} -r '.hdurl // .url')
+      if ${lib.getExe pkgs.curl} -s -o "$IMG_PATH.tmp" "$IMAGE_URL"; then
+        mv "$IMG_PATH.tmp" "$IMG_PATH"
+        echo "Downloaded $IMAGE_URL to $IMG_PATH successfully"
+      else
+        echo "Failed to download NASA wallpaper, using previous or fallback"
+        if [ ! -f "$IMG_PATH" ] && [ -f "$FALLBACK_PATH" ]; then
+          cp "$FALLBACK_PATH" "$IMG_PATH"
+        fi
+      fi
+    else
+      echo "Network unavailable, using previous or fallback wallpaper"
+      if [ ! -f "$IMG_PATH" ] && [ -f "$FALLBACK_PATH" ]; then
+        cp "$FALLBACK_PATH" "$IMG_PATH"
+      fi
+    fi
+  '';
+
+  reloadScript = lib.optionalString (cfg.reloadCommand != null) cfg.reloadCommand;
+in
+{
+  imports = [ ./options.nix ];
+
+  config = lib.mkIf cfg.enable {
+    environment.systemPackages = [
+      bing-wallpaper
+      nasa-wallpaper
+    ];
+
+    # Ensure wallpaper directory and symlink exist before the display manager starts
+    system.activationScripts.wallpaper = wallpaper-activation-script;
+
+    systemd = {
+      services = {
+        # System-level: download on boot after network is available
+        preload-wallpaper = {
+          enable = true;
+          wants = [ "network-online.target" ];
+          after = [ "network-online.target" ];
+          path = [
+            pkgs.bash
+            pkgs.jq
+            pkgs.curl
+            bing-wallpaper
+            nasa-wallpaper
+          ];
+          script = ''
+            ${wallpaper-command}
+          '';
+          serviceConfig = {
+            Type = "oneshot";
+            TimeoutSec = "10s";
+          };
+        };
+      };
+
+      user = {
+        services = {
+          # User-level: daily refresh + optional DE hot-reload
+          reload-wallpaper = {
+            enable = true;
+            path = [
+              pkgs.bash
+              pkgs.jq
+              pkgs.curl
+              bing-wallpaper
+              nasa-wallpaper
+            ];
+            script = ''
+              ${wallpaper-command}
+              ${reloadScript}
+            '';
+            serviceConfig = {
+              Type = "oneshot";
+            };
+          };
+        };
+
+        timers = {
+          reload-wallpaper = {
+            description = "Timer for reload-wallpaper";
+            wantedBy = [ "timers.target" ];
+            timerConfig = {
+              OnCalendar = "daily";
+              Persistent = true;
+              Unit = "reload-wallpaper.service";
+            };
+          };
+        };
+      };
+    };
+  };
+}