endpoint/logic adjustment - back in working state

ticker.sh

@@ -7,7 +7,15 @@ LC_NUMERIC=C
 : ${TMPDIR:=/tmp}
 SESSION_DIR="${TMPDIR%/}/ticker.sh-$(whoami)"
 COOKIE_FILE="${SESSION_DIR}/cookies.txt"
-CRUMB_FILE="${SESSION_DIR}/crumb.txt"
+API_ENDPOINT="https://query1.finance.yahoo.com/v8/finance/chart/"
+API_SUFFIX="?interval=1d"
+
+# Check if NO_COLOR is set to disable colorization
+if [ -z "$NO_COLOR" ]; then
+  : "${COLOR_GREEN:=$'\e[32m'}"
+  : "${COLOR_RED:=$'\e[31m'}"
+  : "${COLOR_RESET:=$'\e[00m'}"
+fi
 
 SYMBOLS=("$@")
 
@@ -16,99 +24,58 @@ if ! $(type jq > /dev/null 2>&1); then
   exit 1
 fi
 
+if ! $(type jq > /dev/null 2>&1); then
+  echo "'bc' is not in the PATH. (See: https://www.gnu.org/software/bc/)"
+  exit 1
+fi
+
 if [ -z "$SYMBOLS" ]; then
   echo "Usage: ./ticker.sh AAPL MSFT GOOG BTC-USD"
   exit
 fi
 
-FIELDS=(symbol marketState regularMarketPrice regularMarketChange regularMarketChangePercent \
-  preMarketPrice preMarketChange preMarketChangePercent postMarketPrice postMarketChange postMarketChangePercent)
-API_ENDPOINT="https://query1.finance.yahoo.com/v7/finance/quote?lang=en-US&region=US&corsDomain=finance.yahoo.com"
-
-if [ -z "$NO_COLOR" ]; then
-  : "${COLOR_BOLD:=\e[1;37m}"
-  : "${COLOR_GREEN:=\e[32m}"
-  : "${COLOR_RED:=\e[31m}"
-  : "${COLOR_RESET:=\e[00m}"
-fi
-
-symbols=$(IFS=,; echo "${SYMBOLS[*]}")
-fields=$(IFS=,; echo "${FIELDS[*]}")
-
 [ ! -d "$SESSION_DIR" ] && mkdir -m 700 "$SESSION_DIR"
 
 preflight () {
-  # rather than "finance", use the "fc" subdomain which doesn't redirect to a consent page
-  curl --silent --output /dev/null --cookie-jar "$COOKIE_FILE" "https://fc.yahoo.com" \
-  -H "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8"
-  curl --silent -b "$COOKIE_FILE" "https://query1.finance.yahoo.com/v1/test/getcrumb" \
-    > "$CRUMB_FILE"
+  curl --silent --output /dev/null --cookie-jar "$COOKIE_FILE" "https://finance.yahoo.com" \
+    -H "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8"
 }
 
-fetch_quotes () {
-  curl --silent -b "$COOKIE_FILE" "$API_ENDPOINT&fields=$fields&symbols=$symbols&crumb=$(cat "$CRUMB_FILE")"
+fetch_chart () {
+  local symbol=$1
+  local url="${API_ENDPOINT}${symbol}${API_SUFFIX}"
+  curl --silent -b "$COOKIE_FILE" "$url"
 }
 
-[ ! -f "$COOKIE_FILE" -o ! -f "$CRUMB_FILE" ] && preflight
-results=$(fetch_quotes)
-if $(echo "$results" | grep -q '"code":"Unauthorized"'); then
-  preflight
-  results=$(fetch_quotes)
-fi
+[ ! -f "$COOKIE_FILE" ] && preflight
 
-results=$(echo $results | jq '.quoteResponse .result')
+for symbol in "${SYMBOLS[@]}"; do
+  results=$(fetch_chart "$symbol")
 
-query () {
-  echo $results | jq -r ".[] | select(.symbol == \"$1\") | .$2"
-}
+  currentPrice=$(echo "$results" | jq -r '.chart.result[0].meta.regularMarketPrice')
+  previousClose=$(echo "$results" | jq -r '.chart.result[0].meta.chartPreviousClose')
+  currency=$(echo "$results" | jq -r '.chart.result[0].meta.currency')
+  symbol=$(echo "$results" | jq -r '.chart.result[0].meta.symbol')
 
-for symbol in $(IFS=' '; echo "${SYMBOLS[*]}" | tr '[:lower:]' '[:upper:]'); do
-  marketState="$(query $symbol 'marketState')"
+  priceChange=$(printf "%.2f" $(echo "scale=2; $currentPrice - $previousClose" | bc))
+  percentChange=$(printf "%.2f" $(echo "scale=2; (($currentPrice - $previousClose) / $previousClose) * 100" | bc))
 
-  if [ -z $marketState ]; then
-    printf 'No results for symbol "%s"\n' $symbol
-    continue
+  if (( $(echo "$priceChange >= 0" | bc -l) )); then
+    color="$COLOR_GREEN"
+  elif (( $(echo "$priceChange < 0" | bc -l) )); then
+    color="$COLOR_RED"
   fi
 
-  preMarketChange="$(query $symbol 'preMarketChange')"
-  postMarketChange="$(query $symbol 'postMarketChange')"
-
-  if [ $marketState = "PRE" ] \
-    && [ $preMarketChange != "0" ] \
-    && [ $preMarketChange != "null" ]; then
-    nonRegularMarketSign='*'
-    price=$(query $symbol 'preMarketPrice')
-    diff=$preMarketChange
-    percent=$(query $symbol 'preMarketChangePercent')
-  elif [ $marketState != "REGULAR" ] \
-    && [ $postMarketChange != "0" ] \
-    && [ $postMarketChange != "null" ]; then
-    nonRegularMarketSign='*'
-    price=$(query $symbol 'postMarketPrice')
-    diff=$postMarketChange
-    percent=$(query $symbol 'postMarketChangePercent')
+  if [ -z "$NO_COLOR" ]; then
+    printf "%s%-10s%8.2f%10.2f%8s%6.2f%%%s\n" \
+      "$color" "$symbol" \
+      "$currentPrice" "$priceChange" "$color" "$percentChange" \
+      "$COLOR_RESET"
   else
-    nonRegularMarketSign=''
-    price=$(query $symbol 'regularMarketPrice')
-    diff=$(query $symbol 'regularMarketChange')
-    percent=$(query $symbol 'regularMarketChangePercent')
+    # printf "%-10s%8.2f%10.2f%8s%6.2f%%\n" \
+    printf "%-10s%8.2f%10.2f%9.2f%%\n" \
+      "$symbol" \
+      "$currentPrice" "$priceChange" "$percentChange"
   fi
 
-  # see https://github.com/pstadler/ticker.sh/issues/40
-  [ "$diff" = "null" ] && diff="0.0"
-  [ "$percent" = "null" ] && percent="0.0"
-
-  if [ "$diff" = "0" ] || [ "$diff" = "0.0" ]; then
-    color=
-  elif ( echo "$diff" | grep -q ^- ); then
-    color=$COLOR_RED
-  else
-    color=$COLOR_GREEN
-  fi
-
-  if [ "$price" != "null" ]; then
-    printf "%-10s$COLOR_BOLD%8.2f$COLOR_RESET" $symbol $price
-    printf "$color%10.2f%12s$COLOR_RESET" $diff $(printf "(%.2f%%)" $percent)
-    printf " %s\n" "$nonRegularMarketSign"
-  fi
 done