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integreat/src/clj/auto_ap/pdf/ledger.clj

221 lines
9.3 KiB
Clojure

(ns auto-ap.pdf.ledger
(:require
[amazonica.aws.s3 :as s3]
[auto-ap.ledger.reports :as l-reports]
[auto-ap.datomic :refer [conn]]
[auto-ap.graphql.utils :refer [<-graphql]]
[auto-ap.time :as atime]
[auto-ap.utils :refer [by dollars-0?]]
[clj-pdf.core :as pdf]
[clojure.java.io :as io]
[clojure.string :as str]
[config.core :refer [env]]
[datomic.api :as d])
(:import
(java.io ByteArrayOutputStream)
(java.text DecimalFormat)
(java.util UUID)))
(defn cell->pdf [cell]
(let [cell-contents (cond
(and (= :dollar (:format cell))
(dollars-0? (:value cell)))
"-"
(= :dollar (:format cell))
(.format (DecimalFormat. "$###,##0.00") (:value cell))
(= :percent (:format cell))
(.format (DecimalFormat. "0%") (:value cell))
:else
(str (:value cell)))]
[:pdf-cell
(cond-> {}
(:border cell) (assoc :border true
:set-border (:border cell))
(:colspan cell) (assoc :colspan (:colspan cell))
(:align cell) (assoc :align (:align cell))
(= :dollar (:format cell)) (assoc :align :right)
(= :percent (:format cell)) (assoc :align :right)
(:bold cell) (assoc-in [:ttf-name] "fonts/calibri-bold.ttf")
(:color cell) (assoc :color (:color cell)))
cell-contents
]))
(defn cell-count [table]
(let [counts (map count (:rows table))]
(if (seq counts)
(apply max counts)
0)))
(defn table->pdf [table widths]
(let [cell-count (cell-count table)]
(-> [:pdf-table {:header (mapv
(fn [header]
(map cell->pdf header))
(:header table))
:cell-border false
:width-percent (cond (= 5 cell-count)
50
(= 6 cell-count)
60
(= 7 cell-count)
70
(= 8 cell-count)
80
:else
100)}
widths
]
(into
(for [row (:rows table)]
(into []
(for [cell (take cell-count (concat row (repeat nil)))]
(cell->pdf cell)
))))
(conj (take cell-count (repeat (cell->pdf {:value " "})))))))
(defn split-table [table n]
(let [cell-count (cell-count table)]
(if (<= cell-count n)
[table]
(let [new-table (-> table
(update :rows (fn [rows]
(map
(fn [[header & rest]]
(into [header]
(take (dec n) rest)))
rows)))
(update :header (fn [headers]
(map
(fn [[title & header]]
(first
(reduce
(fn [[so-far a] next]
(let [new-a (+ a (or (:colspan next)
1))]
(if (<= new-a n)
[(conj so-far next) new-a]
[so-far new-a])))
[[title] 1]
header)))
headers))))
remaining (-> table
(update :rows (fn [rows]
(map
(fn [[header & rest]]
(into [header]
(drop (dec n) rest)))
rows)))
(update :header (fn [headers]
(map
(fn [[title & header]]
(first
(reduce
(fn [[so-far a] next]
(let [new-a (+ a (or (:colspan next)
1))]
(if (> new-a n)
[(conj so-far next) new-a]
[so-far new-a])))
[[title] 1]
header)))
headers))))]
(into [new-table]
(split-table remaining n))))))
(defn break-apart-tables [pnl-data tables]
(for [table tables
table (split-table table (if (:include-deltas (:args pnl-data))
10
9))]
table))
(defn make-pnl [args data]
(let [data (<-graphql data)
args (<-graphql args)
clients (d/pull-many (d/db conn) '[:client/name :db/id] (:client-ids args))
data (->> data
:periods
(mapcat (fn [p1 p2]
(map
(fn [a]
(assoc a :period p1)
)
(:accounts p2))
)
(:periods args)))
pnl-data (l-reports/->PNLData args data (by :db/id clients))
report (l-reports/summarize-pnl pnl-data)
output-stream (ByteArrayOutputStream.)]
(pdf/pdf
(-> [{:left-margin 10 :right-margin 10 :top-margin 15 :bottom-margin 15
:size (cond
(and (>= (count (-> pnl-data :args :periods)) 8 )
(-> pnl-data :args :include-deltas))
:a2
(>= (count (-> pnl-data :args :periods)) 4 )
:tabloid
:else
:letter)
:orientation :landscape
:font {:size 6
:ttf-name "fonts/calibri-light.ttf"}}
[:heading (str "Profit and Loss - " (str/join ", " (map :client/name clients)))]]
(conj [:paragraph {:color [128 0 0] :size 9} (:warning report)])
(into
(for [table (concat (:summaries report)
(:details report))]
(table->pdf table
(into [20] (take (dec (cell-count table))
(mapcat identity
(repeat
(if (-> pnl-data :args :include-deltas)
[13 6 13]
[13 6])))))))))
output-stream)
(.toByteArray output-stream)))
(defn args->name [args]
(let [min-date (atime/unparse-local
(->> args :periods (map :start) first)
atime/iso-date)
max-date (atime/unparse-local
(->> args :periods (map :end) last)
atime/iso-date)
names (str/replace (->> args :client_ids (d/pull-many (d/db conn) [:client/name]) (map :client/name) (str/join "-")) #" " "_" )]
(format "Profit-and-loss-%s-to-%s-for-%s" min-date max-date names)))
(defn print-pnl [user args data]
(let [uuid (str (UUID/randomUUID))
pdf-data (make-pnl args data)
name (args->name args)
key (str "reports/pnl/" uuid "/" name ".pdf")
url (str "http://" (:data-bucket env) ".s3-website-us-east-1.amazonaws.com/" key)]
(s3/put-object :bucket-name (:data-bucket env)
:key key
:input-stream (io/make-input-stream pdf-data {})
:metadata {:content-length (count pdf-data)
:content-type "application/pdf"})
@(d/transact conn
[{:report/name name
:report/client (:client_ids args)
:report/key key
:report/url url
:report/creator (:user user)
:report/created (java.util.Date.)}])
{:report/name name
:report/url url }))