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Ben Sturmfels 2024-02-22 10:11:07 +11:00
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;;; Directory Local Variables -*- no-byte-compile: t -*-
;;; For more information see (info "(emacs) Directory Variables")
((clojure-mode . ((cider-clojure-cli-aliases . ":dev"))))

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might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<https://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<https://www.gnu.org/licenses/why-not-lgpl.html>.

24
README.md Normal file
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@ -0,0 +1,24 @@
# Paychex payroll importer for Beancount
## Usage
Run with:
java -jar import-0.0.8-standalone.jar --csv 2023-12-27_Pay-Item-Details_2023-12-2.csv --date 2023-12-29 --period 'December 2023' --total-fees 206.50 --pay-receipt-no rt:19462/674660 --pay-invoice-no rt:19403/675431 --fees-receipt-no rt:19459/675387 --fees-invoice-no rt:19459/674887 --retirement-receipt-no rt:19403/676724 --retirement-invoice-no rt:19403/675431
Or use a reduced set of options (missing values will be replaced by "TODO" in the output):
java -jar import-0.0.8-standalone.jar --csv 2023-12-27_Pay-Item-Details_2023-12-2.csv --period "December 2023" --total-fees 206.50
## Development
The project is set up for development in Emacs and CIDER-mode. Open a source
file and run `cider-jack-in`.
## Build
To build, run:
clj -T:build uber

25
build.clj Normal file
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@ -0,0 +1,25 @@
(ns build
(:require [clojure.tools.build.api :as b]))
(def lib 'import)
(def version (format "0.0.%s" (b/git-count-revs nil)))
(def class-dir "target/classes")
(def uber-file (format "target/%s-%s-standalone.jar" (name lib) version))
;; delay to defer side effects (artifact downloads)
(def basis (delay (b/create-basis {:project "deps.edn"})))
(defn clean [_]
(b/delete {:path "target"}))
(defn uber [_]
(clean nil)
(b/copy-dir {:src-dirs ["src"]
:target-dir class-dir})
(b/compile-clj {:basis @basis
:ns-compile '[core]
:class-dir class-dir})
(b/uber {:class-dir class-dir
:uber-file uber-file
:basis @basis
:main 'core}))

6
deps.edn
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@ -1,9 +1,9 @@
{:deps {
org.clojure/clojure {:mvn/version "1.11.1"}
org.clojure/data.csv {:mvn/version "1.0.1"}
org.clojure/tools.cli {:mvn/version "1.1.230"}
lambdaisland/deep-diff2 {:mvn/version "2.10.211"}}
org.clojure/tools.cli {:mvn/version "1.1.230"}}
:aliases
{;; Run with clj -T:build function-in-build
{:dev {:deps {lambdaisland/deep-diff2 {:mvn/version "2.10.211"}}}
;; Run with clj -T:build function-in-build
:build {:deps {io.github.clojure/tools.build {:mvn/version "0.9.6"}}
:ns-default build}}}

74
src/core.clj
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@ -1,62 +1,66 @@
;; Copyright 2024 Ben Sturmfels
;; License: GPLv3-or-later
;;
;; Full copyright and licensing details can be found at toplevel file
;; LICENSE.txt in the repository.
(ns core
"Beancount importer for Paychex Pay Item Details report."
(:require [clojure.tools.cli :refer [parse-opts]]
[import :as import]
[parse :refer [parse]]
[lambdaisland.deep-diff2 :as dd])
[import :as import])
(:gen-class))
;; TODO: Need some tests now it's working.
(defn sort-postings [transactions]
(for [t transactions]
(update t :postings
(fn [ps] (sort-by (juxt #(get-in % [:meta :entity]) :account :amount) (filter #(not (zero? (:amount %))) ps))))))
;; TODO: Tests
;; TODO: Validation/error handling - required options like csv, date, period
(def cli-options
[[nil "--csv FILE" "Pay Item Details CSV report"]
[nil "--pay-date DATE" "Date for the payroll transactions (YYYY-MM-DD)"
[nil "--date DATE" "Date used for the transactions (YYYY-MM-DD)"
:validate [#(re-matches #"\d{4}-\d{2}-\d{2}" %) "Must be of format YYYY-MM-DD"]
:default "FIXME"]
:default "TODO-DATE"]
[nil "--period PERIOD" "Month/year covered by the pay run eg. \"December 2023\""
:default "FIXME"]
[nil "--pay-receipt-no REFERENCE" "Payroll receipt number, eg. \"rt:111/222\""
:default "FIXME"]
[nil "--pay-invoice-no REFERENCE" "Payroll invoice number, eg. \"rt:111/222\""
:default "FIXME"]
:default "TODO-PERIOD"]
[nil "--total-fees NUM" "Total fee charged by Paychex, eg. \"206.50\""
:parse-fn bigdec
:default 0M]
[nil "--pay-receipt-no REFERENCE" "Payroll receipt number, eg. \"rt:111/222\""
:default "TODO-PAY-RECEIPT"]
[nil "--pay-invoice-no REFERENCE" "Payroll invoice number, eg. \"rt:111/222\""
:default "TODO-PAY-INVOICE"]
[nil "--fees-receipt-no REFERENCE" "Paychex fees receipt number, eg. \"rt:111/222\""
:default "FIXME"]
:default "TODO-FEES-RECEIPT"]
[nil "--fees-invoice-no REFERENCE" "Paychex fees invoice number, eg. \"rt:111/222\""
:default "FIXME"]
[nil "--retirement-date DATE" "Date for the retirement transactions (YYYY-MM-DD)"
:validate [#(re-matches #"\d{4}-\d{2}-\d{2}" %) "Must be of format YYYY-MM-DD"]
:default "FIXME"]
:default "TODO-FEES-INVOICE"]
[nil "--retirement-receipt-no REFERENCE" "Retirement receipt number, eg. \"rt:111/222\""
:default "FIXME"]
:default "TODO-RETIREMENT-RECEIPT"]
[nil "--retirement-invoice-no REFERENCE" "Retirement receipt number, eg. \"rt:111/222\""
:default "FIXME"]
:default "TODO-RETIREMENT-INVOICE"]
["-h" "--help"]])
(defn -main [& args]
(let [{:keys [options _arguments _errors summary]} (parse-opts args cli-options)
{:keys [pay-date period pay-receipt-no pay-invoice-no total-fees fees-receipt-no fees-invoice-no retirement-date retirement-receipt-no retirement-invoice-no]} options]
{:keys [date period pay-receipt-no pay-invoice-no total-fees fees-receipt-no fees-invoice-no retirement-receipt-no retirement-invoice-no]} options]
(when (:help options)
(println summary)
(System/exit 0))
(let [grouped-data (import/read-grouped-csv (:csv options))
imported (concat (import/payroll pay-date period pay-receipt-no grouped-data)
(import/individual-taxes pay-date period pay-receipt-no pay-invoice-no grouped-data)
(import/employer-taxes pay-date period pay-receipt-no grouped-data)
(import/payroll-fees pay-date period fees-receipt-no fees-invoice-no total-fees grouped-data)
(import/retirement retirement-date period retirement-receipt-no retirement-invoice-no grouped-data))]
imported (concat (import/payroll date period pay-receipt-no grouped-data)
(import/individual-taxes date period pay-receipt-no pay-invoice-no grouped-data)
(import/employer-taxes date period pay-receipt-no grouped-data)
(import/payroll-fees date period fees-receipt-no fees-invoice-no total-fees grouped-data)
(import/retirement date period retirement-receipt-no retirement-invoice-no grouped-data))]
(doseq [i imported]
(println (import/render-transaction i))))))
(comment
(require '[examples :as examples])
;; Examples to exercise the importer during development.
(require
'[parse :refer [parse sort-postings]]
'[lambdaisland.deep-diff2 :as dd])
;; These examples are not included with the code for privacy reasons.
(require '[examples])
(def grouped-data (import/read-grouped-csv "/home/ben/Downloads/2023-12-27_Pay-Item-Details_2023-12-2.csv"))
(def imported
(concat (import/payroll "2023-12-29" "December 2023" "rt:19462/674660" grouped-data)
@ -66,10 +70,9 @@
(import/retirement "2024-01-02" "December 2023" "rt:19403/676724" "rt:19403/675431" grouped-data)))
(dd/pretty-print
(dd/diff
(sort-postings (parse examples/human))
(sort-postings (parse examples/dec-2023))
(sort-postings imported)))
(require '[examples2 :as examples])
(def grouped-data (import/read-grouped-csv "/home/ben/Downloads/2024-01-29_Pay-Item-Details_2024-01.csv"))
(def imported
(concat (import/payroll "2024-01-31" "January 2024" "rt:19462/685751" grouped-data)
@ -77,11 +80,14 @@
(import/employer-taxes "2024-01-31" "January 2024" "rt:19462/685751" grouped-data)
(import/payroll-fees "2024-01-31" "January 2024" "rt:19459/675387" "rt:19459/674887" 206.50M grouped-data)
(import/retirement "2024-01-31" "January 2024" "rt:19403/685929" "rt:19403/685602" grouped-data)))
;; Compare hand-written transactions with imported (ignoring ordering).
(dd/pretty-print
(dd/diff
(sort-postings (parse examples2/human))
(sort-postings (parse examples/jan-2024))
(sort-postings imported)))
;; Print out text transactions
(doseq [i imported]
(println (import/render-transaction i)))

86
src/import.clj
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@ -1,15 +1,18 @@
;; Copyright 2024 Ben Sturmfels
;; License: GPLv3-or-later
;;
;; Full copyright and licensing details can be found at toplevel file
;; LICENSE.txt in the repository.
(ns import
(:require [clojure.data.csv :as csv]
[clojure.java.io :as io]
[clojure.string :as str]))
(defn kebab-kw [x]
(-> x
str/lower-case
(str/replace " " "-")
keyword))
(defn format-name [name]
(defn- format-name
"Convert the name from the Pay Item Details report into an entity slug for Beancount."
[name]
;; Should potentially be a lookup table in config.
(case name
"Sharp, Sage A" "Sharp-Sage-A"
(-> name
@ -17,7 +20,10 @@
(str/replace ", " "-")
(str/replace #" \w$" ""))))
(defn read-grouped-csv [filename]
(defn read-grouped-csv
"Read in CSV and return a vector of maps with only the fields we want.
Merges the various number fields into a single \"amount\" field."
[filename]
(with-open [reader (io/reader filename)]
(doall
(group-by
@ -28,20 +34,11 @@
:type type
:amount (apply max (map bigdec (remove str/blank? totals)))})))))
(defn render-transaction [{:keys [date payee desc meta postings]}]
(str/join (concat [(if payee
(format "%s txn \"%s\" \"%s\"\n" date payee desc)
(format "%s txn \"%s\"\n" date desc))]
(for [[k v] meta]
(format " %s: \"%s\"\n" (name k) v))
(for [{:keys [amount account currency meta]} postings]
(when (not (zero? amount))
(format " %-40s %10.2f %s\n%s" account amount currency
(str/join (for [[k v] meta]
(format " %s: \"%s\"\n" (name k) v)))))))))
(defn cat->acct [cat]
;; TODO: Can we make this more general for other states?
(defn- cat->payroll-type
"Map the CSV withholding categories to Beancount payroll-type tags."
[cat]
;; May need to become config, similar to names. Should prompt you if no
;; mapping exists to avoid mistakes.
(case cat
"Fed Income Tax" "US:Tax:Income"
"Medicare" "US:Tax:Medicare"
@ -64,13 +61,18 @@
"NY Re-empl Svc" "US:NY:Reempt"
cat))
(defn assoc-project [name m]
(defn- assoc-project
"Conditionally adds a specific project tag to metadata.
Some employees need to be tagged with a particular project to override the
default \"Conservancy\" project."
[name m]
(if (= name "Sharp-Sage-A")
(assoc m :project "Outreachy")
m))
(defn split-fee
"Share a total fee into n groups allocating the remainder as evenly as possible."
(defn- split-fee
"Share a total fee into n groups allocating the remainder as evenly as possible.
(split-fee 36.02 4) => (9.01M 9.01M 9.00M 9.00M)"
[total n]
(let [total (bigdec total)
fee-share (.setScale (bigdec (/ (double total) n)) 2 java.math.RoundingMode/FLOOR)
@ -79,6 +81,24 @@
cents-allocation (take n (concat (repeat extra-cents 0.01M) (repeat 0)))]
(map + base-fee-allocation cents-allocation)))
(defn render-transaction
"Turn a Beancount transaction data structure into text."
[{:keys [date payee desc meta postings]}]
(str/join (concat
;; Transaction date/description
[(if payee
(format "%s txn \"%s\" \"%s\"\n" date payee desc)
(format "%s txn \"%s\"\n" date desc))]
;; Transaction metadata
(for [[k v] meta]
(format " %s: \"%s\"\n" (name k) v))
;; Postings and posting metadata
(for [{:keys [amount account currency meta]} postings]
(when (not (zero? amount))
(format " %-40s %10.2f %s\n%s" account amount currency
(str/join (for [[k v] meta]
(format " %s: \"%s\"\n" (name k) v)))))))))
(defn payroll
"Return a net pay transaction."
[date period receipt-no groups]
@ -121,12 +141,14 @@
"Return a transaction of expenses/witholding for each employee."
[date period receipt-no invoice-no groups]
(for [[name records] groups]
(let [super-lines (filter #(str/starts-with? (:category %) "403b") records)
(let [super-lines (filter #(= (:type %) "Retirement") records)
;; TODO: Have I got the liability/witholding right? Which is used in which report.
witholding-lines (filter #(= (:type %) "Withholding") records)
;; TODO: We seem to add these extra insurance lines for Karen (NY) only. Confirm with Rosanne.
;; TODO: We seem to add these extra expense/asset postings for
;; Karen (NY) only, but not for say Pono/Sage/Bradley (OR). Confirm
;; with Rosanne.
insurance-lines (filter #(and (= (:type %) "Withholding")
(str/includes? (:category %) "NY Disability")) records)
(str/starts-with? (:category %) "NY Disability")) records)
total-super (->> super-lines
(map :amount)
(apply +))
@ -150,7 +172,7 @@
{:account "Expenses:Payroll:Salary"
:amount amount
:currency "USD"
:meta {:payroll-type (cat->acct category)}})
:meta {:payroll-type (cat->payroll-type category)}})
withholding-asset-postings [{:account "Assets:FR:Check2721"
:amount (- (reduce + (map :amount witholding-lines)))
:currency "USD"
@ -159,7 +181,7 @@
{:account "Expenses:Insurance"
:amount (- amount)
:currency "USD"
:meta {:payroll-type (cat->acct category)}})
:meta {:payroll-type (cat->payroll-type category)}})
insurance-asset-postings [{:account "Assets:FR:Check2721"
:amount (reduce + (map :amount insurance-lines))
:currency "USD"}]]
@ -192,7 +214,7 @@
:meta (assoc-project
name
{:entity name
:payroll-type (str/replace (cat->acct category) "Tax:" "")})}))))
:payroll-type (str/replace (cat->payroll-type category) "Tax:" "")})}))))
total-liabilities (->> liability-postings (map :amount) (reduce +))
unemploy-postings (apply concat
(for [[name records] groups]
@ -207,7 +229,7 @@
{:entity (first (str/split category #" "))
;; TODO: Karen doesn't have a memo in January 2024
:memo name
:payroll-type (str "US:" (cat->acct category))})}))))
:payroll-type (str "US:" (cat->payroll-type category))})}))))
total-unemploy (->> unemploy-postings (map :amount) (reduce +))
asset-postings [{:account "Assets:FR:Check2721"
:amount (- (+ total-liabilities total-unemploy))

26
src/parse.clj
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@ -1,4 +1,13 @@
;; Copyright 2024 Ben Sturmfels
;; License: GPLv3-or-later
;;
;; Full copyright and licensing details can be found at toplevel file
;; LICENSE.txt in the repository.
(ns parse
"Tools for parsing a subset of Beancount transaction text format for testing.
There may be a way to get structured data out of Beancount (eg. JSON), but
this was fairly quick to write."
(:require [clojure.spec.alpha :as s]
[clojure.walk :as walk]))
@ -47,13 +56,13 @@
(s/def ::transactions (s/+ ::transaction))
(defn kv->map
(defn- kv->map
"Convert vector [{:key \"x\" :value \"y\"}] to {:x y}"
[vec]
(into {} (for [{:keys [key value]} vec]
[(keyword key) value])))
(defn convert-parse-tree
(defn- convert-parse-tree
"Reformat the parse tree into a similar data structure as used during import."
[tree]
(walk/postwalk #(cond
@ -76,9 +85,16 @@
tree))
(defn parse
"Parse a Beancount transaction.
Use so we can convert the data generated during import with the hand-generated
Beancount transactions."
"Parse a Beancount transaction into an intermediate data structure.
Used in development to compare a hand-written Beancount import side-by-side
with an automatically generated import."
[text]
(let [tree (s/conform ::transactions (conj (vec text) \newline))]
(convert-parse-tree tree)))
(defn sort-postings
"Sort transaction postings into a predictable order."
[transactions]
(for [t transactions]
(update t :postings
(fn [ps] (sort-by (juxt #(get-in % [:meta :entity]) :account :amount) (filter #(not (zero? (:amount %))) ps))))))