Refactor date parsing logic

open-todo-txt.py

@@ -12,6 +12,7 @@ import subprocess
 import argparse
 
 TODOTXT_FILE = "/home/marty/documents/records/todo.md"
+TODO_BLOCK_TITLE = "todotxt"
 
 parser = argparse.ArgumentParser()
 parser.add_argument(
@@ -38,26 +39,34 @@ def is_logging_done_to_tw():
     return True
 
 
-def extract_tw_data(fname):
+def get_todo_block_date(line):
+    result = re.search(
+        rf"^\[(\d{{4}}-\d{{2}}-\d{{2}}).*\] ({re.escape(TODO_BLOCK_TITLE)}$)?",
+        line,
+    )
+    # we are entering todotxt data block
+    if result and result[2]:
+        return result[1]
+    # we are in block but not one for todotxt
+    elif result and not result[2]:
+        return False
+    # nothing changed, we didn't cross a date line
+    return "same"
+
+
+def parse_file(fname):
     curdate = "1970-01-01"
     lines_to_delete = []
-    in_todotxt_block = False
     with open(fname) as file:
         line_number = 0
         for line in file:
             line_number += 1
-            newdate = re.search(r"^\[(\d{4}-\d{2}-\d{2}).*\] (todotxt$)?", line)
-            # we are entering todotxt data block
-            if newdate and newdate[2]:
-                curdate = newdate[1]
-                in_todotxt_block = True
-                continue
-            # we are in block but not one for todotxt
-            elif newdate and not newdate[2]:
-                in_todotxt_block = False
-                continue
 
-            if not in_todotxt_block:
+            todo_block = get_todo_block_date(line)
+            if todo_block == False:
+                continue
+            if todo_block != "same":
+                curdate = todo_block
                 continue
 
             completed_task = re.search(r"^x ((?:\([A-D]\))? ?.*)$", line)
@@ -120,17 +129,5 @@ def delete_logged_tasks_from_file(fname, lines):
     os.rename(repl_file, fname)
 
 
-extract_tw_data(TODOTXT_FILE)
+parse_file(TODOTXT_FILE)
 sys.exit(0)
-
-# The on-launch event is triggered once, after initialization, before any
-# processing occurs. This hooks script has no effect on processing.
-
-# Output:
-# - Optional feedback/error.
-# echo 'on-launch'
-
-# Status:
-# - 0:     JSON ignored, non-JSON is feedback.
-# - non-0: JSON ignored, non-JSON is error.
-# exit 0