nixos-config/modules/taskwarrior-pushover.nix

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{ config, lib, pkgs, ... }:
with lib;
with types;
let
cfg = config.services.taskwarrior-pushover;
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name = "taskwarrior-pushover";
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in
{
options.services.taskwarrior-pushover = {
enable = mkEnableOption "taskwarrior pushover notification service";
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onCalendar = mkOption {
type = str;
default = "4:00:00";
};
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recurrence = mkOption {
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type = enum [ "on" "off" ];
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default = "off";
};
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pushoverApiTokenFile = mkOption {
type = path;
};
pushoverUserKeyFile = mkOption {
type = path;
};
query = mkOption {
type = str;
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default = "+PENDING and ( +ACTIVE or +DUETODAY or +TODAY or +OVERDUE )";
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};
dataDir = mkOption {
type = str;
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default = "tasks";
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};
caFile = mkOption {
type = path;
};
certificateFile = mkOption {
type = path;
};
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credentials = mkOption {
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type = str;
};
keyFile = mkOption {
type = path;
};
server = mkOption {
type = str;
};
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tagLimitInTitle = mkOption {
type = int;
default = 10;
description = "tag limit for title, TagsInTitle must be enabled for this to work";
};
tagsInTitle = mkOption {
type = bool;
default = true;
description = "should tags be used for titles? (see tagLimitInTitle to limit the amount of tags)";
};
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};
config = mkIf cfg.enable {
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users.users.${name} = {
isSystemUser = true;
home = "/var/lib/${name}";
group = name;
};
users.groups.${name} = { };
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systemd.services.taskwarrior-pushover = {
enable = true;
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serviceConfig = {
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User = name;
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StateDirectory = name;
};
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script =
let
taskwarriorCommand = pkgs.writers.writeDash "taskwarrior-push" ''
${pkgs.taskwarrior}/bin/task \
rc:/var/lib/${name}/.taskrc \
rc.data.location=/var/lib/${name}/${cfg.dataDir} \
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rc.recurrence=${cfg.recurrence} \
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rc.taskd.ca=${cfg.caFile} \
rc.taskd.certificate=${cfg.certificateFile} \
rc.taskd.credentials="${cfg.credentials}" \
rc.taskd.key=${cfg.keyFile} \
rc.taskd.server=${cfg.server} \
"$@"
'';
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# tags as title
title =
if (cfg.tagsInTitle && (cfg.tagLimitInTitle > 0))
then ''(.tags | if . == null or . == [] then "taskwarrior" else [limit(${toString cfg.tagLimitInTitle};.[])] | join(",") end)''
else ''"taskwarrior"'';
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in
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''
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if [ -d /var/lib/${name}/${cfg.dataDir} ]
then
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echo "synchronize ${cfg.dataDir}"
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${taskwarriorCommand} sync
else
echo "initialize ${cfg.dataDir}"
${pkgs.coreutils}/bin/yes | ${taskwarriorCommand} sync init
fi
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${taskwarriorCommand} '${cfg.query}' export \
| ${pkgs.jq}/bin/jq -r '.[] | @base64' | while read entry
do
echo $entry | base64 --decode | \
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${pkgs.jq}/bin/jq '
{
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"token": "'`cat ${cfg.pushoverApiTokenFile}`'",
"user": "'`cat ${cfg.pushoverUserKeyFile}`'",
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title: ${title},
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message: .description
}' \
| ${pkgs.curl}/bin/curl -sS -X POST -H 'Content-Type: application/json' -d @- \
"https://api.pushover.net/1/messages.json"
done
if [[ ${cfg.recurrence} -eq on ]]
then
${taskwarriorCommand} sync
fi
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'';
};
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systemd.timers.taskwarrior-pushover = {
enable = true;
timerConfig.OnCalendar = cfg.onCalendar;
wantedBy = [ "multi-user.target" ];
};
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};
}