#!/bin/bash

# change directory to where the script resides
BASEDIR=$(dirname $0)
cd "$BASEDIR"

# get html
data=$(curl -s https://www.nationalgeographic.com/photography/photo-of-the-day/)
if [ -n "$data" ]
then

# get img url
imgurl=$(grep 'property="og:image"' <<< "$data")
imgurl="$(cut -d"\"" -f4 <<< $imgurl)"

# get image name from canonical link & get publish date
name=$(grep 'rel="canonical"' <<< "$data")
name="$(cut -d"\"" -f4 <<< $name)"
name="$(cut -d"/" -f8 <<< $name)"

date=$(grep 'meta property="gsa_publish_date"' <<< "$data")
date="$(cut -d"\"" -f4 <<< $date)"
date=$(echo "$date" | sed 's/-//g')

file="$date - $name.jpg" # format file name

if [ -f "$file" ]
then
    filesize=$(wc -c < "$file")
    filesize=$(($filesize)) # parseInt
    actualsize="$(curl -s -L -I $imgurl | awk 'tolower ($1) ~ /^content-length/ { print $2 }')"
    actualsize=$(echo $actualsize | sed "s/$(printf '\r')\$//") # remove carriage return on macOS

    # check file integrity
    # sometimes the image may partially downloaded because of network interrupt
    if [ "$filesize" -eq "$actualsize" ]
    then
        echo "$(date) - '$file' already downloaded"
    else
        curl -s "$imgurl" > "$file"
        echo "$(date) - image saved as $file"
    fi
else
    curl -s "$imgurl" > "$file"
    echo "$(date) - image saved as $file"
fi

else
echo "$(date) - connection failed"
fi

#!/bin/bash

# change directory to where the script resides.
BASEDIR=$(dirname $0)
cd "$BASEDIR"

bing="https://www.bing.com"

# the idx parameter determines where to start from. 0 is the current day,
xmlURL="https://www.bing.com/HPImageArchive.aspx?format=xml&idx=0&n=1&mkt=zh-CN"

# Valid options: "_1024x768" "_1280x720" "_1366x768" "_1920x1200" "_1920x1080" "_UHD"
picRes="_UHD"

# The file extension for the Bing pic
picExt=".jpg"

# the XML data retrieved from xmlURL, form the fully qualified
# URL for the pic of the day, and store it in $picURL
data=$(curl -s $xmlURL)

if [ -n "$data" ]
then
picURL=$(cut -d '>' -f13 <<< "$data")
picURL=$(cut -d '<' -f 1 <<< "$picURL")
picURL=$bing$picURL$picRes$picExt

date=$(cut -d '>' -f5 <<< "$data")
date=$(cut -d '<' -f1 <<< "$date")

name=$(cut -d '>' -f15 <<< "$data")
name=$(cut -d '<' -f 1 <<< "$name")
name=$(cut -d '(' -f 1 <<< "$name")

len=${#name}

file="$date - ${name:0:len-1}$picExt"

if [ -f "$file" ]
then
    filesize=$(wc -c < "$file")
    filesize=$(($filesize)) # parseInt
    actualsize="$(curl -s -L -I $picURL | awk 'tolower ($1) ~ /^content-length/ { print $2 }')"
    actualsize=$(echo $actualsize | sed "s/$(printf '\r')\$//") # remove carriage return on macOS

    if [ "$filesize" -eq "$actualsize" ]
    then
        echo "$(date) - '$file' already downloaded"
    else
        curl -s "$picURL" > "$file"
        echo "$(date) - image saved as $file"
    fi
else
    curl -s "$picURL" > "$file"
    echo "$(date) - image saved as $file"
fi

else
echo "$(date) - connection failed"
fi

#!/bin/bash

path=$0

BASEDIR=$(dirname "$path")

cd "$BASEDIR"

./bing.sh
./ng.sh

exit

chmod u+x /Users/franklin/Pictures/Wallpapers/ng.sh
chmod u+x /Users/franklin/Pictures/Wallpapers/bing.sh
chmod u+x /Users/franklin/Pictures/Wallpapers/wallpapers.sh

launchctl load -w ~/Library/LaunchAgents/com.frankindev.wallpapers.plist

launchctl unload -w ~/Library/LaunchAgents/com.frankindev.wallpapers.plist

launchctl load -w ~/Library/LaunchAgents/com.frankindev.wallpapers.plist