From b6e89aa09cdbe7592d597160f9e035f462782661 Mon Sep 17 00:00:00 2001
From: olli <olli@gabosh.net>
Date: Mon, 30 Oct 2023 13:21:29 +0100
Subject: [PATCH] last day range fix

---
 dabo/functions/get_range.sh | 57 ++++++++-----------------------------
 1 file changed, 12 insertions(+), 45 deletions(-)

diff --git a/dabo/functions/get_range.sh b/dabo/functions/get_range.sh
index 16aa83e..5e5c875 100644
--- a/dabo/functions/get_range.sh
+++ b/dabo/functions/get_range.sh
@@ -5,54 +5,21 @@ function get_range {
   # get histfile
   local f_hist_file="$1"
    
-  # find constant range in defined periods
-  local f_test_periods=300
+  # Get range from a day 12h before (past day ist the usual range for calculationg Levels / Pivot Point)
+  local f_range_to_date=$(date "+%F %H:" --date="-12 hours")
+  local f_range_from_date=$(date "+%F %H:" --date="-36 hours")
+  local f_range_data=$(sed -n "/${f_range_from_date}/,/${f_range_to_date}/p" ${f_hist_file} | cut -d , -f2 | grep "^[0-9]")
 
-  # check for range change
-  local f_current_price=$(tail -n1 "${f_hist_file}" | cut -d, -f2 | grep "^[0-9]" | head -n1)
-  local f_last_lowest_in_range=$(tail -n2 "${f_hist_file}" | head -n1 | cut -d, -f25)
-  local f_last_highest_in_range=$(tail -n2 "${f_hist_file}" | head -n1 | cut -d, -f26)
-  if [ -n "${f_last_lowest_in_range}" ]
-  then
-    if [ -n "${f_last_highest_in_range}" ]
-    then
-      if [ $(echo "${f_current_price} > ${f_last_lowest_in_range}" | bc -l) -ne 0 ]
-      then
-        if [ $(echo "${f_current_price} < ${f_last_highest_in_range}" | bc -l) -ne 0 ]
-        then
-          local f_range_periods=$(tail -n2 "${f_hist_file}" | head -n1 | cut -d, -f24)
-          f_range_periods=$((f_range_periods+1))
-        fi
-      fi
-    fi  
-  fi
-
-  # go reverse through periods and look for range
-  if [ -z "${f_range_periods}" ]
-  then
-    for f_test_period in $(seq 1 ${f_test_periods})
-    do
-      # get average from period to now
-      local f_rangeaverage=$(tail -n${f_test_period} "${f_hist_file}" | cut -d, -f2 | grep "^[0-9]" | awk '{ sum += $1; n++ } END { OFMT = "%2.8f"; if (n > 0) print sum / n; }')
-      # get old price from period
-      local f_period_price=$(tail -n${f_test_period} "${f_hist_file}" | cut -d, -f2 | grep "^[0-9]" | head -n1)
-      # get percentage diff from old price and last average
-      local f_period_price_diff=$(g_percentage-diff ${f_period_price} ${f_rangeaverage} | sed 's/^-//; s/\..*$//')
-      # if percentage change is larger then 2% to the average we have an new price range
-      local f_range_periods=${f_test_period}
-      if [ ${f_period_price_diff} -gt 2 ]
-      then
-        break
-      fi
-    done
-  fi
-
-  # get highest, lowest and current price in period
-  local f_highest_in_range=$(tail -n${f_range_periods} "${f_hist_file}" | cut -d, -f2 | grep "^[0-9]" | sort -n | tail -n1)
-  local f_lowest_in_range=$(tail -n${f_range_periods} "${f_hist_file}" | cut -d, -f2 | grep "^[0-9]" | sort -n | head -n1)
+  local f_orig_ifs=${IFS}
+  IFS=\n
+  # get highest, lowest and closing price in range
+  local f_highest_in_range=$(echo ${f_range_data} | sort -n | tail -n1)
+  local f_lowest_in_range=$(echo ${f_range_data} | sort -n | head -n1)
+  local f_closing_price_in_range=$(echo ${f_range_data} | tail -n1)
+  IFS=${f_orig_ifs}
 
   # calculate Pivot Point (PP)
-  local f_pivot_point=$(echo "scale=8; (${f_highest_in_range}+${f_lowest_in_range}+${f_current_price})/3" | bc | sed 's/^\./0./;')
+  local f_pivot_point=$(echo "scale=8; (${f_highest_in_range}+${f_lowest_in_range}+${f_closing_price_in_range})/3" | bc | sed 's/^\./0./;')
 
   # calculate support/resist and golden pocket
   local f_support1=$(echo "scale=8; ${f_pivot_point}-((${f_highest_in_range}-${f_lowest_in_range})*0.382)" | bc | sed 's/^\./0./;' )