testsAndMisc/linux_configuration/i3blocks/automation_tutor.sh
Krzysztof kuhy Rudnicki 698fdd5c8e
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i3blocks: automation_tutor block (today's tutor credits, click runs plc-lab run.sh)
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
2026-10-10 15:06:05 +02:00

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#!/bin/bash
# ============================================================================
# Automation tutor status for i3blocks: today's credited 15-minute blocks.
#
# A click runs plc-lab's run.sh, which starts the tutor if it is down and
# opens it in the browser -- nobody has to remember the port. Hidden once all
# four blocks are in: nothing left to earn, nothing to click.
#
# Counts the tutor ledger's credit rows dated today. It does not check their
# HMAC (that needs the key and Python); earned_time does, so this is a
# display, never the authority on what was paid.
# ============================================================================
set -euo pipefail
readonly LEDGER="${AUTOMATION_TUTOR_LEDGER:-$HOME/.local/share/automation_tutor/ledger.json}"
# i3blocks' PATH has no ~/src: absolute path.
readonly RUN="${AUTOMATION_TUTOR_RUN:-$HOME/src/plc-lab/run.sh}"
readonly TARGET=4
readonly YELLOW='#F1FA8C'
readonly ORANGE='#FFB86C'
emit() {
# full_text, short_text, color — the three lines i3blocks reads.
printf '%s\n%s\n%s\n' "$1" "$2" "$3"
}
if [[ ${BLOCK_BUTTON:-0} -ne 0 ]]; then
setsid -f "$RUN" >/dev/null 2>&1 || true
fi
if ! command -v jq >/dev/null 2>&1; then
emit '⚙ tutor: no jq' '⚙ ?' "$ORANGE"
exit 0
fi
printf -v today '%(%Y-%m-%d)T' -1
done_blocks=0
# No ledger yet is a real zero: the tutor creates it on the first block.
if [[ -e $LEDGER ]]; then
if ! done_blocks=$(jq --arg d "$today" \
'[.entries[] | select(.kind == "credit" and .day == $d)] | length' \
"$LEDGER" 2>/dev/null); then
emit '⚙ tutor: ledger unreadable' '⚙ ?' "$ORANGE"
exit 0
fi
fi
if ((done_blocks >= TARGET)); then
emit '' '' "$YELLOW"
exit 0
fi
emit "⚙ tutor ${done_blocks}/${TARGET}" "⚙ ${done_blocks}/${TARGET}" "$YELLOW"