From a7c081747dc0ec4404f6a17dc3f9141316cdc534 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Som=C4=93=20Cho?= <itssomicho@gmail.com>
Date: Sun, 7 May 2023 21:06:19 +0200
Subject: [PATCH] add script to resume last modified Taskwarrior task using
 Taskwarrior hooks

---
 install.clj       |  3 ++-
 on-modify-log.clj |  8 ++++++
 resumetask.clj    | 64 +++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 74 insertions(+), 1 deletion(-)
 create mode 100755 on-modify-log.clj
 create mode 100755 resumetask.clj

diff --git a/install.clj b/install.clj
index 2350e63..fcf77a5 100755
--- a/install.clj
+++ b/install.clj
@@ -18,7 +18,8 @@
                 (:out)
                 (split #"\n"))
       cljfiles (filter #(includes? % ".clj") files)
-      scripts (filter #(not= % "install.clj") cljfiles)
+      scripts (filter #(and (not= % "install.clj")
+                            (not= % "on-modify-log.clj")) cljfiles)
       extensionless  (vec (map drop-extension scripts))
       home (System/getProperty "user.home")
       path "/.local/bin/"
diff --git a/on-modify-log.clj b/on-modify-log.clj
new file mode 100755
index 0000000..982aba8
--- /dev/null
+++ b/on-modify-log.clj
@@ -0,0 +1,8 @@
+#!/usr/bin/env bb
+(require '[cheshire.core :as json])
+
+(let [oldtask (json/parse-string (read-line) true)
+      newtask (json/parse-string (read-line) true)
+      uuid (:uuid oldtask)]
+  (spit "../last-modified.data" uuid) 
+  (println (json/generate-string newtask)))
diff --git a/resumetask.clj b/resumetask.clj
new file mode 100755
index 0000000..e24b425
--- /dev/null
+++ b/resumetask.clj
@@ -0,0 +1,64 @@
+#!/usr/bin/env bb
+(require '[clojure.string :as str]
+         '[clojure.java.io :as io]
+         '[clojure.java.shell :as sh])
+
+(defn get-taskwarrior-data-location []
+  (let [home (System/getProperty "user.home")
+        taskrc (-> (try (slurp (str home "/.taskrc"))
+                        (catch Exception _
+                          (slurp (str home "/.config/task/taskrc"))))
+                   (as-> rc (str/split rc #"\n")))
+        ;On NixOS or using Homemanager, the taskrc may be
+        ;in another place. The following lines tries to find
+        ;that place.
+        config (-> taskrc
+                   (as-> lines
+                         (filter #(str/includes? % "include") lines))
+                   (as-> lines
+                         (map #(drop 8 %) lines))
+                   (as-> lines
+                         (map #(str/join "" %) lines))
+                   (as-> paths
+                         (map #(slurp %) paths))
+                   (as-> lines
+                         (map #(str/split % #"\n") lines))
+                   (flatten)
+                   (concat taskrc))
+        datalocation (-> config
+                         (as-> c
+                               (filter #(str/includes? % "data.location") c))
+                         (first)
+                         (as-> line (drop 14 line))
+                         (as-> ch (str/join "" ch))
+                         (str/replace "~" home))]
+    datalocation))
+
+(defn get-task-id [uuid]
+  (let [stdout (sh/sh "task" uuid)
+        id-line (-> (:out stdout)
+                    (str/split #"\n")
+                    (nth 3))]
+    (when-not (str/includes? id-line "ID")
+      (println "Task with UUID" uuid "does not exist"))
+    (when (-> (:out stdout)
+              (str/split #"\n")
+              (nth 5)
+              (str/split #" ")
+              (last)
+              (= "Completed"))
+      (println "Task with" uuid "is already completed"))
+    (-> (str/split id-line #" ")
+        (as-> c (filter not-empty c))
+        (last))))
+
+(let [data-path (get-taskwarrior-data-location)
+      modified-path (str data-path "/last-modified.data")]
+  (when-not (.exists (io/file modified-path))
+    (println "No last modified data. Have you installed and used the hook?")
+    (System/exit 1))
+  (-> (slurp modified-path)
+      (get-task-id)
+      (as-> id (sh/sh "task" id "start"))
+      (:out)
+      (println)))