add counter script

main/counter-widget.lua

@@ -0,0 +1,64 @@
+-- name = "Counter"
+-- description = "Time counting widget to fight bad habits"
+-- type = "widget"
+-- author = "Evgeny Zobnin (zobnin@gmail.com)"
+-- arguments_help = "Enter the date of the start of counting in the format DD.MM.YYY"
+-- version = "1.0"
+
+local date = require "date"
+
+-- constants
+local year = 365.5
+local month = 30.5
+
+local milestones = {
+    1, 3, 7, 14,
+    month, month * 3, month * 6,
+    year, year * 3, year * 5, year * 10, year * 20
+}
+
+local milestones_formatted = {
+    "1 day", "3 days", "1 week", "2 weeks", 
+    "1 months", "3 months", "6 months", 
+    "1 year", "3 years", "5 years", "10 years", "20 years"
+}
+
+function on_resume()
+    local args = aio:get_args()
+
+    if next(args) == nil then
+        ui:show_text("Tap to enter date")
+        return
+    end
+
+    local arr = args[1]:split("%.")
+    local start_date = date(arr[3], arr[2], arr[1])
+
+    local curr_date = date()
+    local passed = date.diff(curr_date, start_date)
+    local passed_days = math.floor(passed:spandays())
+    local idx = get_milestone_idx(passed)
+
+    ui:show_progress_bar(passed_days.." days / "..milestones_formatted[idx], 
+        passed_days, milestones[idx])
+end
+
+function on_click()
+    aio:show_args_dialog()
+end
+
+-- utils
+
+function get_milestone_idx(passed)
+    local days_passed = passed:spandays()
+    local idx = 1
+
+    for k,v in ipairs(milestones) do
+        if days_passed > v then
+            idx = idx + 1
+        end
+    end
+
+    return idx
+end
+