Wait for network connection before fetching the daily NASA picture

.config/go/env

@@ -0,0 +1,2 @@
+GOBIN=/home/ohad/.local/state/go/bin
+GOPATH=/home/ohad/.cache/go

.config/systemd/user/get-nasa-apod.service

@@ -1,5 +1,6 @@
 [Unit]
 Description=Refresh the wallpaper using the NASA Astronomy Picture of the Day
+After=network-online.target
 Wants=get-nasa-apod.timer
 
 [Service]

.config/systemd/user/get-nasa-apod.timer

@@ -1,9 +1,10 @@
 [Unit]
 Description=Daily NASA wallpaper fetch
+After=network-online.target
 Requires=get-nasa-apod.service
 
 [Timer]
-Unit=nasa-apod.service
+Unit=get-nasa-apod.service
 OnCalendar=daily
 
 [Install]

.local/bin/get-nasa-apod

@@ -8,34 +8,47 @@ if [ "${API_KEY}" = "DEMO_KEY" ]; then
     echo "No API key set! using demo key."
 fi
 
-WALLPAPERS="$(systemd-path user)"/Wallpapers
+WALLPAPERS="$(systemd-path user)"/Pictures/nasa
 
 mkdir --parents "${WALLPAPERS}"
 
 APOD_URL="https://api.nasa.gov/planetary/apod?api_key=${API_KEY}"
-response="$(curl --silent "${APOD_URL}")"
+echo "Fetching data from API"
+response="$(curl --silent --write-out '{"rate-limit": %header{x-ratelimit-remaining}}' "${APOD_URL}" | jq --slurp add)"
+echo "Received response from API"
+# shellcheck disable=SC2005
+echo "$(printf '%s' "${response}" | jq '.')"
+echo "Parsing data"
 picture_date="$(printf '%s' "${response}" | jq --raw-output .date)"
 picture_url="$(printf '%s' "${response}" | jq --raw-output .hdurl)"
+rate_remaining="$(printf '%s' "${response}" | jq '."rate-limit"')"
+echo "Remaining requests until rate limit: ${rate_remaining}"
 
+echo "Generating output filename"
 extension="${picture_url##*.}"
 filename="${picture_date}.${extension}"
 outfile="${WALLPAPERS}/${filename}"
 
 if [ -f "${outfile}" ]; then
     echo "Target file already exists"
-    exit 0
+else
+    echo "Creating temporary file"
+    tempfile="$(mktemp)"
+    echo "Fetching the daily picture"
+    curl \
+        --location \
+        --output "${tempfile}" \
+        --silent \
+        "${picture_url}"
+    echo "Transaction-like file update"
+    mv "${tempfile}" "${outfile}"
 fi
 
-tempfile="$(mktemp)"
-curl \
-    --location \
-    --output "${tempfile}" \
-    --silent \
-    "${picture_url}"
-mv "${tempfile}" "${outfile}"
+echo "Updating the wallpaper image"
 ln \
     --force \
     --symbolic \
     "${outfile}" \
     "${WALLPAPERS}/today"
+echo "Refreshing the desktop background"
 swaymsg output "*" bg "${SWAY_WALLPAPER}" fill

.local/bin/take-screenshot

@@ -30,7 +30,7 @@ recording_filename() {
     echo ~/Pictures/screenshots/recording-"$(ts)".mp4
 }
 
-if [ -z "$1" ]; then
+if [ -z "${1+exists}" ]; then
     option=$(listopts | fuzzel --dmenu)
 else
     option="$1"