add script for putting emails in pending state

astroid/.gitignore

@@ -1,4 +1,5 @@
 *.log
+scripts/pending.save
 scripts/tag-folder-rules.sh
 scripts/tag-list.csv
 searches

astroid/poll.sh

@@ -53,6 +53,10 @@ echo "[DEBUG] Tag mails based on their folder (tag-folder.sh)"
 bash "$CURDIR"/scripts/tag-folder.sh # generates commands from tag-folder.csv
 bash "$CURDIR"/scripts/tag-folder-rules.sh  # executes generated commands
 
+# Handle pending days (tag:/pend*/)
+echo "[DEBUG] Handle pending tags (pending.sh)"
+bash "$CURDIR"/scripts/pending.sh
+
 # Mark mails in certain folders read
 echo "[DEBUG] Mark mails in trash folders read"
 notmuch tag -unread -- path:Trash/**

astroid/scripts/pending.sh

@@ -0,0 +1,63 @@
+#!/bin/bash
+
+CURDIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+
+SAVEFILE="$CURDIR"/pending.save  # Location of logfile
+BASETAG="pend"
+UNPENDTAG="unpend"
+
+function pdate {
+  DATE=$(date +%y-%m-%d_%H:%M:%S)
+  echo "[$DATE]"
+}
+
+function debugmsg {
+  if ${DEBUG}; then
+    echo "$(pdate) $*"
+  fi
+}
+
+function datediff {
+  d1=$(date -d "$1" +%s)
+  d2=$(date -d "$2" +%s)
+  echo $(( (d1 - d2) / 86400 ))
+}
+
+
+# Load the values from the last run
+touch "$SAVEFILE"
+# shellcheck source=/dev/null
+source "$SAVEFILE"
+# Get the current day
+CURDATE=$(date +%Y-%m-%d)
+# Populate $LASTDATE if empty
+if [[ -z "$LASTDATE" ]]; then
+  LASTDATE="$CURDATE"
+  echo "LASTDATE=$LASTDATE" > "$SAVEFILE"
+fi
+
+# Get pending tags
+pending_tags=$(notmuch search --output=tags '*' | grep "^$BASETAG")
+
+# Reduce pending dates if current date not last saved date
+if [[ "$CURDATE" != "$LASTDATE" ]]; then
+  ddiff=$(datediff "$CURDATE" "$LASTDATE")
+  for tag in $pending_tags; do
+    # Get day element
+    day=$(grep -Eo '[0-9]*$' <<< "$tag")
+
+    # Calculate new day for pending tag
+    day=$(( day - ddiff ))
+
+    # if new pending days more than 1
+    if [[ $day -ge 1 ]]; then
+      notmuch tag -"$tag" +"${BASETAG}${day}" -- tag:"$tag"
+    # otherwise, delete pending tag and set unpending tag
+    else
+      notmuch tag -"$tag" +"$UNPENDTAG" -- tag:"$tag"
+    fi
+  done
+
+  # Write the current date in the file
+  sed -i "s/LASTDATE\=.*/LASTDATE=$CURDATE/" "$SAVEFILE"
+fi