Files
integreat/src/clj/auto_ap/parse.clj

211 lines
8.6 KiB
Clojure

(ns auto-ap.parse
(:require [amazonica.aws.lambda :as lambda]
[amazonica.aws.s3 :as s3]
[auto-ap.logging :as alog]
[auto-ap.parse.csv :as csv]
[auto-ap.parse.excel :as excel]
[auto-ap.parse.templates :as t]
[auto-ap.parse.util :as u]
[auto-ap.ssr.vendor :as vendors]
[clj-fuzzy.metrics :as m]
[clojure.data.json :as json]
[clojure.java.io :as io]
[clojure.java.shell :as sh]
[clojure.set :as set]
[clojure.string :as str]))
(defonce last-text (atom nil))
(defn template-applies? [text {:keys [keywords]}]
(every? #(re-find % text) keywords))
(defn extract-template
([text template]
(alog/info ::template-determined
:template (str template))
(if (:multi template)
(mapcat
#(extract-template % text (dissoc template :multi))
(str/split text (:multi template)))
(extract-template text text template)))
([text full-text template]
(when (and template
(or (not (:multi-match? template))
(re-find (:multi-match? template) text)))
[(->> template
:extract
(reduce-kv
(fn [result k v]
(let [value (some-> (or (first (map second (re-seq v text)))
(first (map second (re-seq v full-text))))
str/trim)
[value-parser parser-params] (-> template :parser k)]
(assoc result k (try
(u/parse-value value-parser parser-params value)
(catch Exception e
(alog/warn ::cant-parse-value :error e :raw value))))))
{:vendor-code (:vendor template)
:template (str (:vendor template) " - selected because it matched "
(pr-str (:keywords template)))
:text text
:full-text full-text}))])))
(defn parse [text]
(reset! last-text text)
(->> t/pdf-templates
(filter (partial template-applies? text))
first
(extract-template text)))
(defmulti parse-file
"Parses a file based on its extension. Accepts options as additional arguments.
Options:
- :allow-glimpse? (default false) - If true, allows parsing a glimpse of the file."
(fn [_ filename & opts]
(.toLowerCase (last (str/split filename #"\.")))))
(defn invoke-glimpse2 [f]
(let [result (slurp (:payload (lambda/invoke {:client-config {:request-timeout 120000
:socket-timeout 120000}} {:function-name "glimpse2" :payload
(json/write-str
(alog/peek ::x {"url" (str "https://" "data.prod.app.integreatconsult.com" "/" f)}))})))]
(alog/info ::glimpse2-payload :payload result)
(-> result
json/read-str)))
(defn glimpse2 [file]
(try
(let [tmp-key (str "glimpse2/import/" (java.util.UUID/randomUUID) ".pdf")
_ (with-open [f (io/input-stream file)]
(s3/put-object {:bucket-name "data.prod.app.integreatconsult.com"
:key tmp-key
:input-stream f}))
is (invoke-glimpse2 tmp-key)]
(alog/peek ::glimpse2-result is)
(for [i is]
{:date (u/parse-value :clj-time "yyyy-MM-dd" (str/trim (get i "date")))
:customer-identifier (get i "customer_identifier")
:account-number (not-empty (get i "account_number"))
:vendor-search (get i "vendor_identifier")
:vendor-code (-> (vendors/best-match (get i "vendor_identifier"))
(get "label"))
:total (get i "total")
:invoice-number (get i "invoice_number")
:template "None found - defaulting to ChatGPT"}))
(catch Exception e
(alog/warn ::glimpse2-not-work :error e)
nil)))
(defmethod parse-file
"pdf"
[file _ & {:keys [allow-glimpse?] :or {allow-glimpse? false}}]
(or
(-> (sh/sh "pdftotext" "-layout" file "-")
:out
parse)
(and allow-glimpse? (alog/peek ::glimpse2-result (glimpse2 file)))))
(defmethod parse-file
"csv"
[file filename & _]
(csv/parse-file file filename))
(defmethod parse-file
"xls"
[file filename & _]
(excel/parse-file file filename))
(defmethod parse-file
"xlsx"
[file filename & _]
(excel/parse-file file filename))
(defn best-match
([clients invoice-client-name]
(best-match clients invoice-client-name 0.25))
([clients invoice-client-name threshold]
(let [fuzzy-match (->> clients
(mapcat (fn [{:keys [:client/matches :client/name] :as client :or {matches []}}]
(map (fn [m]
(let [similarity-index (m/jaccard (.toLowerCase invoice-client-name) (.toLowerCase m))
similarity-index (cond
(and (= 0 similarity-index)
(= (.toLowerCase invoice-client-name) (.toLowerCase m)))
0
(= 0 similarity-index)
0.1
:else
similarity-index)]
[client similarity-index]))
(conj matches name))))
(filter #(<= (second %) threshold))
(sort-by second)
first)
word-set (set (filter (complement str/blank?) (str/split (.toLowerCase invoice-client-name) #"[\s:\-]")))
client-word-match (->> clients
(map
(fn [{:keys [:client/matches :client/name] :as client :or {matches []}}]
(let [client-words (-> #{}
(into
(mapcat
(fn [match] (str/split (.toLowerCase match) #"\s"))
matches))
(into
(str/split (.toLowerCase name) #"\s")))]
[client (count (set/intersection client-words word-set))])))
(filter (fn [[_ c]] (> c 0)))
(sort-by (fn [[_ c]] c))
reverse
first)]
(or fuzzy-match client-word-match))))
(defn exact-match
([clients invoice-client-name]
(->> clients
(filter (fn [{:keys [:client/matches :client/location-matches :client/locations :client/name] :as client :or {matches []}}]
(seq
(filter (fn [m]
(and
m
invoice-client-name
(= (.toLowerCase invoice-client-name) (.toLowerCase m))))
(conj matches name)))))
first)))
(defn best-location-match [client text full-text]
(or (->> client
:client/location-matches
(mapcat (fn [{:keys [:location-match/location :location-match/matches]}]
(map (fn [match] [location match]) matches)))
(filter (fn [[_ match]]
(re-find (re-pattern (str "(?i)" match)) text)))
first
first)
(->> client
:client/location-matches
(mapcat (fn [{:keys [:location-match/location :location-match/matches]}]
(map (fn [match] [location match]) matches)))
(filter (fn [[_ match]] (re-find (re-pattern (str "(?i)" match)) full-text)))
first
first)
(:client/default-location client)
(first (:client/locations client))))
#_{:clj-kondo/ignore [:clojure-lsp/unused-public-var]}
(defn dbg-parse [v]
(println v)
(map
(fn [x] (dissoc x :full-text :text))
(parse v)))